From f2a4c59df62f4493c7cf7dfd349ec66bdd4b9fec Mon Sep 17 00:00:00 2001
From: Murali Karicheri <m-karicheri2@ti.com>
Date: Mon, 1 Feb 2010 17:38:53 -0500
Subject: DaVinci - Adding platform & board changes for vpfe capture on DM365

This patch adds following changes:-
	1) add sub device configuration data for TVP5146 used by vpfe capture
	2) registers platform devices for vpfe_capture, isif and vpss
	3) defines hardware resources for the devices listed under 2)
	4) defines clock aliase for isif driver
	5) adding setup_pinmux() for isif

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-dm365-evm.c    |  71 ++++++++++++++++++++
 arch/arm/mach-davinci/dm365.c              | 102 ++++++++++++++++++++++++++++-
 arch/arm/mach-davinci/include/mach/dm365.h |   2 +
 3 files changed, 174 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index b476395..38e9033 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -37,6 +37,8 @@
 #include <mach/nand.h>
 #include <mach/keyscan.h>
 
+#include <media/tvp514x.h>
+
 static inline int have_imager(void)
 {
 	/* REVISIT when it's supported, trigger via Kconfig */
@@ -306,6 +308,73 @@ static void dm365evm_mmc_configure(void)
 	davinci_cfg_reg(DM365_SD1_DATA0);
 }
 
+static struct tvp514x_platform_data tvp5146_pdata = {
+	.clk_polarity = 0,
+	.hs_polarity = 1,
+	.vs_polarity = 1
+};
+
+#define TVP514X_STD_ALL        (V4L2_STD_NTSC | V4L2_STD_PAL)
+/* Inputs available at the TVP5146 */
+static struct v4l2_input tvp5146_inputs[] = {
+	{
+		.index = 0,
+		.name = "Composite",
+		.type = V4L2_INPUT_TYPE_CAMERA,
+		.std = TVP514X_STD_ALL,
+	},
+	{
+		.index = 1,
+		.name = "S-Video",
+		.type = V4L2_INPUT_TYPE_CAMERA,
+		.std = TVP514X_STD_ALL,
+	},
+};
+
+/*
+ * this is the route info for connecting each input to decoder
+ * ouput that goes to vpfe. There is a one to one correspondence
+ * with tvp5146_inputs
+ */
+static struct vpfe_route tvp5146_routes[] = {
+	{
+		.input = INPUT_CVBS_VI2B,
+		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+{
+		.input = INPUT_SVIDEO_VI2C_VI1C,
+		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+};
+
+static struct vpfe_subdev_info vpfe_sub_devs[] = {
+	{
+		.name = "tvp5146",
+		.grp_id = 0,
+		.num_inputs = ARRAY_SIZE(tvp5146_inputs),
+		.inputs = tvp5146_inputs,
+		.routes = tvp5146_routes,
+		.can_route = 1,
+		.ccdc_if_params = {
+			.if_type = VPFE_BT656,
+			.hdpol = VPFE_PINPOL_POSITIVE,
+			.vdpol = VPFE_PINPOL_POSITIVE,
+		},
+		.board_info = {
+			I2C_BOARD_INFO("tvp5146", 0x5d),
+			.platform_data = &tvp5146_pdata,
+		},
+	},
+};
+
+static struct vpfe_config vpfe_cfg = {
+	.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+	.sub_devs = vpfe_sub_devs,
+	.i2c_adapter_id = 1,
+	.card_name = "DM365 EVM",
+	.ccdc = "ISIF",
+};
+
 static void __init evm_init_i2c(void)
 {
 	davinci_init_i2c(&i2c_pdata);
@@ -497,6 +566,8 @@ static struct davinci_uart_config uart_config __initdata = {
 
 static void __init dm365_evm_map_io(void)
 {
+	/* setup input configuration for VPFE input devices */
+	dm365_set_vpfe_config(&vpfe_cfg);
 	dm365_init();
 }
 
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index f53735c..ce9da43 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -1008,6 +1008,97 @@ void __init dm365_init(void)
 	davinci_common_init(&davinci_soc_info_dm365);
 }
 
+static struct resource dm365_vpss_resources[] = {
+	{
+		/* VPSS ISP5 Base address */
+		.name           = "isp5",
+		.start          = 0x01c70000,
+		.end            = 0x01c70000 + 0xff,
+		.flags          = IORESOURCE_MEM,
+	},
+	{
+		/* VPSS CLK Base address */
+		.name           = "vpss",
+		.start          = 0x01c70200,
+		.end            = 0x01c70200 + 0xff,
+		.flags          = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dm365_vpss_device = {
+       .name                   = "vpss",
+       .id                     = -1,
+       .dev.platform_data      = "dm365_vpss",
+       .num_resources          = ARRAY_SIZE(dm365_vpss_resources),
+       .resource               = dm365_vpss_resources,
+};
+
+static struct resource vpfe_resources[] = {
+	{
+		.start          = IRQ_VDINT0,
+		.end            = IRQ_VDINT0,
+		.flags          = IORESOURCE_IRQ,
+	},
+	{
+		.start          = IRQ_VDINT1,
+		.end            = IRQ_VDINT1,
+		.flags          = IORESOURCE_IRQ,
+	},
+};
+
+static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
+static struct platform_device vpfe_capture_dev = {
+	.name           = CAPTURE_DRV_NAME,
+	.id             = -1,
+	.num_resources  = ARRAY_SIZE(vpfe_resources),
+	.resource       = vpfe_resources,
+	.dev = {
+		.dma_mask               = &vpfe_capture_dma_mask,
+		.coherent_dma_mask      = DMA_BIT_MASK(32),
+	},
+};
+
+static void dm365_isif_setup_pinmux(void)
+{
+	davinci_cfg_reg(DM365_VIN_CAM_WEN);
+	davinci_cfg_reg(DM365_VIN_CAM_VD);
+	davinci_cfg_reg(DM365_VIN_CAM_HD);
+	davinci_cfg_reg(DM365_VIN_YIN4_7_EN);
+	davinci_cfg_reg(DM365_VIN_YIN0_3_EN);
+}
+
+static struct resource isif_resource[] = {
+	/* ISIF Base address */
+	{
+		.start          = 0x01c71000,
+		.end            = 0x01c71000 + 0x1ff,
+		.flags          = IORESOURCE_MEM,
+	},
+	/* ISIF Linearization table 0 */
+	{
+		.start          = 0x1C7C000,
+		.end            = 0x1C7C000 + 0x2ff,
+		.flags          = IORESOURCE_MEM,
+	},
+	/* ISIF Linearization table 1 */
+	{
+		.start          = 0x1C7C400,
+		.end            = 0x1C7C400 + 0x2ff,
+		.flags          = IORESOURCE_MEM,
+	},
+};
+static struct platform_device dm365_isif_dev = {
+	.name           = "isif",
+	.id             = -1,
+	.num_resources  = ARRAY_SIZE(isif_resource),
+	.resource       = isif_resource,
+	.dev = {
+		.dma_mask               = &vpfe_capture_dma_mask,
+		.coherent_dma_mask      = DMA_BIT_MASK(32),
+		.platform_data		= dm365_isif_setup_pinmux,
+	},
+};
+
 static int __init dm365_init_devices(void)
 {
 	if (!cpu_is_davinci_dm365())
@@ -1016,7 +1107,16 @@ static int __init dm365_init_devices(void)
 	davinci_cfg_reg(DM365_INT_EDMA_CC);
 	platform_device_register(&dm365_edma_device);
 	platform_device_register(&dm365_emac_device);
-
+	/* Add isif clock alias */
+	clk_add_alias("master", dm365_isif_dev.name, "vpss_master", NULL);
+	platform_device_register(&dm365_vpss_device);
+	platform_device_register(&dm365_isif_dev);
+	platform_device_register(&vpfe_capture_dev);
 	return 0;
 }
 postcore_initcall(dm365_init_devices);
+
+void dm365_set_vpfe_config(struct vpfe_config *cfg)
+{
+       vpfe_capture_dev.dev.platform_data = cfg;
+}
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index f1710a3..9fc5a64 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -18,6 +18,7 @@
 #include <mach/emac.h>
 #include <mach/asp.h>
 #include <mach/keyscan.h>
+#include <media/davinci/vpfe_capture.h>
 
 #define DM365_EMAC_BASE			(0x01D07000)
 #define DM365_EMAC_CNTRL_OFFSET		(0x0000)
@@ -36,4 +37,5 @@ void __init dm365_init_asp(struct snd_platform_data *pdata);
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
 void __init dm365_init_rtc(void);
 
+void dm365_set_vpfe_config(struct vpfe_config *cfg);
 #endif /* __ASM_ARCH_DM365_H */
-- 
cgit v1.1


From d2de05827cce9438dfc61d5a4cf13b6ca82ebdee Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:32 +0530
Subject: davinci: da8xx/omapl1: add support for the second sysconfig module

OMAP-L138 adds a second SYSCFG region having useful functionality
like deep sleep, pull up/down control and SATA clock stop.

This patch makes provision for accessing registers from second
SYSCFG region in da8xx code.

Note that OMAP-L137 has a single SYSCFG region.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-da830-evm.c    |  4 ++--
 arch/arm/mach-davinci/board-da850-evm.c    |  2 +-
 arch/arm/mach-davinci/da830.c              |  8 ++++----
 arch/arm/mach-davinci/da850.c              | 20 ++++++++++++--------
 arch/arm/mach-davinci/devices-da8xx.c      |  3 ++-
 arch/arm/mach-davinci/include/mach/da8xx.h | 10 +++++++---
 6 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 31dc990..dc19870 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -112,7 +112,7 @@ static __init void da830_evm_usb_init(void)
 	 * Set up USB clock/mode in the CFGCHIP2 register.
 	 * FYI:  CFGCHIP2 is 0x0000ef00 initially.
 	 */
-	cfgchip2 = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 
 	/* USB2.0 PHY reference clock is 24 MHz */
 	cfgchip2 &= ~CFGCHIP2_REFFREQ;
@@ -139,7 +139,7 @@ static __init void da830_evm_usb_init(void)
 	cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
 #endif
 
-	__raw_writel(cfgchip2, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 
 	/* USB_REFCLKIN is not used. */
 	ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 07de8db..dba2241 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -537,7 +537,7 @@ static int __init da850_evm_config_emac(void)
 	if (!machine_is_davinci_da850_evm())
 		return 0;
 
-	cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
+	cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 
 	val = __raw_readl(cfg_chip3_base);
 
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index b22b5cf..5479605 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -1208,13 +1208,13 @@ static struct davinci_soc_info davinci_soc_info_da830 = {
 
 void __init da830_init(void)
 {
-	da8xx_syscfg_base = ioremap(DA8XX_SYSCFG_BASE, SZ_4K);
-	if (WARN(!da8xx_syscfg_base, "Unable to map syscfg module"))
+	da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
+	if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
 		return;
 
 	davinci_soc_info_da830.jtag_id_base =
-					DA8XX_SYSCFG_VIRT(DA8XX_JTAG_ID_REG);
-	davinci_soc_info_da830.pinmux_base = DA8XX_SYSCFG_VIRT(0x120);
+					DA8XX_SYSCFG0_VIRT(DA8XX_JTAG_ID_REG);
+	davinci_soc_info_da830.pinmux_base = DA8XX_SYSCFG0_VIRT(0x120);
 
 	davinci_common_init(&davinci_soc_info_da830);
 }
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 717806c..4f84ab4 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -838,12 +838,12 @@ static void da850_set_async3_src(int pllnum)
 		}
        }
 
-	v = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG));
+	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 	if (pllnum)
 		v |= CFGCHIP3_ASYNC3_CLKSRC;
 	else
 		v &= ~CFGCHIP3_ASYNC3_CLKSRC;
-	__raw_writel(v, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG));
+	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 }
 
 #ifdef CONFIG_CPU_FREQ
@@ -996,9 +996,9 @@ static int da850_set_pll0rate(struct clk *clk, unsigned long index)
 	postdiv = opp->postdiv;
 
 	/* Unlock writing to PLL registers */
-	v = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP0_REG));
+	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
 	v &= ~CFGCHIP0_PLL_MASTER_LOCK;
-	__raw_writel(v, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP0_REG));
+	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
 
 	ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
 	if (WARN_ON(ret))
@@ -1053,13 +1053,17 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
 
 void __init da850_init(void)
 {
-	da8xx_syscfg_base = ioremap(DA8XX_SYSCFG_BASE, SZ_4K);
-	if (WARN(!da8xx_syscfg_base, "Unable to map syscfg module"))
+	da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
+	if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
+		return;
+
+	da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
+	if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
 		return;
 
 	davinci_soc_info_da850.jtag_id_base =
-					DA8XX_SYSCFG_VIRT(DA8XX_JTAG_ID_REG);
-	davinci_soc_info_da850.pinmux_base = DA8XX_SYSCFG_VIRT(0x120);
+					DA8XX_SYSCFG0_VIRT(DA8XX_JTAG_ID_REG);
+	davinci_soc_info_da850.pinmux_base = DA8XX_SYSCFG0_VIRT(0x120);
 
 	davinci_common_init(&davinci_soc_info_da850);
 
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index a5105f0..745534e 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -42,7 +42,8 @@
 #define DA8XX_MDIO_REG_OFFSET		0x4000
 #define DA8XX_EMAC_CTRL_RAM_SIZE	SZ_8K
 
-void __iomem *da8xx_syscfg_base;
+void __iomem *da8xx_syscfg0_base;
+void __iomem *da8xx_syscfg1_base;
 
 static struct plat_serial8250_port da8xx_serial_pdata[] = {
 	{
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 9070491..bddc4d4 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -21,7 +21,8 @@
 #include <mach/mmc.h>
 #include <mach/usb.h>
 
-extern void __iomem *da8xx_syscfg_base;
+extern void __iomem *da8xx_syscfg0_base;
+extern void __iomem *da8xx_syscfg1_base;
 
 /*
  * The cp_intc interrupt controller for the da8xx isn't in the same
@@ -34,13 +35,16 @@ extern void __iomem *da8xx_syscfg_base;
 #define DA8XX_CP_INTC_SIZE	SZ_8K
 #define DA8XX_CP_INTC_VIRT	(IO_VIRT - DA8XX_CP_INTC_SIZE - SZ_4K)
 
-#define DA8XX_SYSCFG_BASE	(IO_PHYS + 0x14000)
-#define DA8XX_SYSCFG_VIRT(x)	(da8xx_syscfg_base + (x))
+#define DA8XX_SYSCFG0_BASE	(IO_PHYS + 0x14000)
+#define DA8XX_SYSCFG0_VIRT(x)	(da8xx_syscfg0_base + (x))
 #define DA8XX_JTAG_ID_REG	0x18
 #define DA8XX_CFGCHIP0_REG	0x17c
 #define DA8XX_CFGCHIP2_REG	0x184
 #define DA8XX_CFGCHIP3_REG	0x188
 
+#define DA8XX_SYSCFG1_BASE	(IO_PHYS + 0x22C000)
+#define DA8XX_SYSCFG1_VIRT(x)	(da8xx_syscfg1_base + (x))
+
 #define DA8XX_PSC0_BASE		0x01c10000
 #define DA8XX_PLL0_BASE		0x01c11000
 #define DA8XX_TIMER64P0_BASE	0x01c20000
-- 
cgit v1.1


From 9a219a9ecf49ab156df4c18267ade4d468d9930e Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:33 +0530
Subject: davinci: move PLL wait time values to clock.h

As suspend support is added, the code supporting
the suspend operation needs to bypass PLLs and
needs to access the same wait time values as the
PLL code in clock.c.

To facilitate this, move the PLL wait times to
clock.h where they can be accessed by suspend code.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.c | 15 +++------------
 arch/arm/mach-davinci/clock.h | 15 +++++++++++++++
 2 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index baece65..0fa68c5 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -376,7 +376,7 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 		locktime = ((2000 * prediv) / 100);
 		prediv = (prediv - 1) | PLLDIV_EN;
 	} else {
-		locktime = 20;
+		locktime = PLL_LOCK_TIME;
 	}
 	if (postdiv)
 		postdiv = (postdiv - 1) | PLLDIV_EN;
@@ -389,12 +389,7 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 	ctrl &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN);
 	__raw_writel(ctrl, pll->base + PLLCTL);
 
-	/*
-	 * Wait for 4 OSCIN/CLKIN cycles to ensure that the PLLC has switched
-	 * to bypass mode. Delay of 1us ensures we are good for all > 4MHz
-	 * OSCIN/CLKIN inputs. Typically the input is ~25MHz.
-	 */
-	udelay(1);
+	udelay(PLL_BYPASS_TIME);
 
 	/* Reset and enable PLL */
 	ctrl &= ~(PLLCTL_PLLRST | PLLCTL_PLLDIS);
@@ -408,11 +403,7 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 	if (pll->flags & PLL_HAS_POSTDIV)
 		__raw_writel(postdiv, pll->base + POSTDIV);
 
-	/*
-	 * Wait for PLL to reset properly, OMAP-L138 datasheet says
-	 * 'min' time = 125ns
-	 */
-	udelay(1);
+	udelay(PLL_RESET_TIME);
 
 	/* Bring PLL out of reset */
 	ctrl |= PLLCTL_PLLRST;
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index c92d77a..eca4d99 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -53,6 +53,21 @@
 #define PLLDIV_EN       BIT(15)
 #define PLLDIV_RATIO_MASK 0x1f
 
+/*
+ * OMAP-L138 system reference guide recommends a wait for 4 OSCIN/CLKIN
+ * cycles to ensure that the PLLC has switched to bypass mode. Delay of 1us
+ * ensures we are good for all > 4MHz OSCIN/CLKIN inputs. Typically the input
+ * is ~25MHz. Units are micro seconds.
+ */
+#define PLL_BYPASS_TIME		1
+/* From OMAP-L138 datasheet table 6-4. Units are micro seconds */
+#define PLL_RESET_TIME		1
+/*
+ * From OMAP-L138 datasheet table 6-4; assuming prediv = 1, sqrt(pllm) = 4
+ * Units are micro seconds.
+ */
+#define PLL_LOCK_TIME		20
+
 struct pll_data {
 	u32 phys_base;
 	void __iomem *base;
-- 
cgit v1.1


From 7ec4b24326ec9b0467ab23b0417ec6b63e8e5524 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:34 +0530
Subject: davinci: move DDR2 controller defines to memory.h

Move defintions of DDR2 controller registers to memory.h
from cpuidle.c. The motivation behind the change is to be
able to use these defintions in assembly code that puts
DDR2 in self-refresh and enables the SoC to enter suspend
state.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/cpuidle.c             | 5 +----
 arch/arm/mach-davinci/include/mach/memory.h | 4 ++++
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index 97a90f3..beda3b5 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -19,6 +19,7 @@
 #include <asm/proc-fns.h>
 
 #include <mach/cpuidle.h>
+#include <mach/memory.h>
 
 #define DAVINCI_CPUIDLE_MAX_STATES	2
 
@@ -39,10 +40,6 @@ static struct cpuidle_driver davinci_idle_driver = {
 static DEFINE_PER_CPU(struct cpuidle_device, davinci_cpuidle_device);
 static void __iomem *ddr2_reg_base;
 
-#define DDR2_SDRCR_OFFSET	0xc
-#define DDR2_SRPD_BIT		BIT(23)
-#define DDR2_LPMODEN_BIT	BIT(31)
-
 static void davinci_save_ddr_power(int enter, bool pdown)
 {
 	u32 val;
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 80309ae..7aeaf46 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -31,6 +31,10 @@
 #define PHYS_OFFSET DAVINCI_DDR_BASE
 #endif
 
+#define DDR2_SDRCR_OFFSET	0xc
+#define DDR2_SRPD_BIT		BIT(23)
+#define DDR2_LPMODEN_BIT	BIT(31)
+
 /*
  * Increase size of DMA-consistent memory region
  */
-- 
cgit v1.1


From c94fa15ba2d736af786ac1e56686d41987b1aba0 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:35 +0530
Subject: davinci: move PSC register definitions from psc.c to psc.h

The motivation behind the change is to use the same
definitions in the assembly code responsible for
suspending the SoC, a part of which is to clock gate
the DDR2 clock.

Note that the assembly code cannot invoke the C function
meant for this. The main reason being that stack in DDR2
cannot be accessed while DDR2 clock is being clock gated.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/include/mach/psc.h | 11 +++++++++++
 arch/arm/mach-davinci/psc.c              | 11 -----------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 171173c..2776b23 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -180,6 +180,17 @@
 #define DA8XX_LPSC1_CR_P3_SS		26
 #define DA8XX_LPSC1_L3_CBA_RAM		31
 
+/* PSC register offsets */
+#define EPCPR		0x070
+#define PTCMD		0x120
+#define PTSTAT		0x128
+#define PDSTAT		0x200
+#define PDCTL1		0x304
+#define MDSTAT		0x800
+#define MDCTL		0xA00
+
+#define MDSTAT_STATE_MASK 0x1f
+
 extern int davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id);
 extern void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 		unsigned int id, char enable);
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 04a3cb7..adf6b5c 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -25,17 +25,6 @@
 #include <mach/cputype.h>
 #include <mach/psc.h>
 
-/* PSC register offsets */
-#define EPCPR		0x070
-#define PTCMD		0x120
-#define PTSTAT		0x128
-#define PDSTAT		0x200
-#define PDCTL1		0x304
-#define MDSTAT		0x800
-#define MDCTL		0xA00
-
-#define MDSTAT_STATE_MASK 0x1f
-
 /* Return nonzero iff the domain's clock is active */
 int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
 {
-- 
cgit v1.1


From e2da3aaa4254d9e79d9524190fc7e5f0cbdc3c33 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:36 +0530
Subject: davinci: make it possible to include clock.h and psc.h in assembly
 code

psc.h contains register defines for PSC module which
need to be accessed in assembly code which helps the
DA850/OMAP-L138 SoC go to sleep. Shutting down DDR clock
using PSC is a part of the sleep procedure.

Also, the PLL related hardware definitions in clock.h are
needed in assembly code to bypass the DDR2 PLL.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.h            | 10 +++++++---
 arch/arm/mach-davinci/include/mach/psc.h |  4 ++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index eca4d99..31fb6ea 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -12,9 +12,6 @@
 #ifndef __ARCH_ARM_DAVINCI_CLOCK_H
 #define __ARCH_ARM_DAVINCI_CLOCK_H
 
-#include <linux/list.h>
-#include <asm/clkdev.h>
-
 #define DAVINCI_PLL1_BASE 0x01c40800
 #define DAVINCI_PLL2_BASE 0x01c40c00
 #define MAX_PLL 2
@@ -68,6 +65,11 @@
  */
 #define PLL_LOCK_TIME		20
 
+#ifndef __ASSEMBLER__
+
+#include <linux/list.h>
+#include <asm/clkdev.h>
+
 struct pll_data {
 	u32 phys_base;
 	void __iomem *base;
@@ -124,3 +126,5 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 extern struct platform_device davinci_wdt_device;
 
 #endif
+
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 2776b23..651f6d8 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -191,8 +191,12 @@
 
 #define MDSTAT_STATE_MASK 0x1f
 
+#ifndef __ASSEMBLER__
+
 extern int davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id);
 extern void davinci_psc_config(unsigned int domain, unsigned int ctlr,
 		unsigned int id, char enable);
 
+#endif
+
 #endif /* __ASM_ARCH_PSC_H */
-- 
cgit v1.1


From 948c66df0d5e23dbcb84bee39a11b56c8a0d3e41 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:37 +0530
Subject: davinci: cpuidle: move mapping of DDR2 controller registers out of
 driver

When suspend is supported, both cpuidle and suspend code
need to work on DDR2 registers. Instead of mapping the
DDR2 registers twice, do it once outside of cpuidle
driver and let cpuidle driver get the virtual base address
of DDR2 registers.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/cpuidle.c              | 33 ++++------------------------
 arch/arm/mach-davinci/devices-da8xx.c        | 16 +++++++++++++-
 arch/arm/mach-davinci/include/mach/cpuidle.h |  1 +
 arch/arm/mach-davinci/include/mach/da8xx.h   |  1 +
 4 files changed, 21 insertions(+), 30 deletions(-)

diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index beda3b5..bd59f31 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -106,8 +106,6 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev)
 	int ret;
 	struct cpuidle_device *device;
 	struct davinci_cpuidle_config *pdata = pdev->dev.platform_data;
-	struct resource *ddr2_regs;
-	resource_size_t len;
 
 	device = &per_cpu(davinci_cpuidle_device, smp_processor_id());
 
@@ -116,28 +114,12 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	ddr2_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!ddr2_regs) {
-		dev_err(&pdev->dev, "cannot get DDR2 controller register base");
-		return -ENODEV;
-	}
-
-	len = resource_size(ddr2_regs);
-
-	ddr2_regs = request_mem_region(ddr2_regs->start, len, ddr2_regs->name);
-	if (!ddr2_regs)
-		return -EBUSY;
-
-	ddr2_reg_base = ioremap(ddr2_regs->start, len);
-	if (!ddr2_reg_base) {
-		ret = -ENOMEM;
-		goto ioremap_fail;
-	}
+	ddr2_reg_base = pdata->ddr2_ctlr_base;
 
 	ret = cpuidle_register_driver(&davinci_idle_driver);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register driver\n");
-		goto driver_register_fail;
+		return ret;
 	}
 
 	/* Wait for interrupt state */
@@ -164,18 +146,11 @@ static int __init davinci_cpuidle_probe(struct platform_device *pdev)
 	ret = cpuidle_register_device(device);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register device\n");
-		goto device_register_fail;
+		cpuidle_unregister_driver(&davinci_idle_driver);
+		return ret;
 	}
 
 	return 0;
-
-device_register_fail:
-	cpuidle_unregister_driver(&davinci_idle_driver);
-driver_register_fail:
-	iounmap(ddr2_reg_base);
-ioremap_fail:
-	release_mem_region(ddr2_regs->start, len);
-	return ret;
 }
 
 static struct platform_driver davinci_cpuidle_driver = {
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 745534e..0c759ad 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -496,6 +496,19 @@ int da8xx_register_rtc(void)
 	return ret;
 }
 
+static void __iomem *da8xx_ddr2_ctlr_base;
+void __iomem * __init da8xx_get_mem_ctlr(void)
+{
+	if (da8xx_ddr2_ctlr_base)
+		return da8xx_ddr2_ctlr_base;
+
+	da8xx_ddr2_ctlr_base = ioremap(DA8XX_DDR2_CTL_BASE, SZ_32K);
+	if (!da8xx_ddr2_ctlr_base)
+		pr_warning("%s: Unable to map DDR2 controller",	__func__);
+
+	return da8xx_ddr2_ctlr_base;
+}
+
 static struct resource da8xx_cpuidle_resources[] = {
 	{
 		.start		= DA8XX_DDR2_CTL_BASE,
@@ -521,6 +534,7 @@ static struct platform_device da8xx_cpuidle_device = {
 
 int __init da8xx_register_cpuidle(void)
 {
+	da8xx_cpuidle_pdata.ddr2_ctlr_base = da8xx_get_mem_ctlr();
+
 	return platform_device_register(&da8xx_cpuidle_device);
 }
-
diff --git a/arch/arm/mach-davinci/include/mach/cpuidle.h b/arch/arm/mach-davinci/include/mach/cpuidle.h
index cbfc6a9..74f088b 100644
--- a/arch/arm/mach-davinci/include/mach/cpuidle.h
+++ b/arch/arm/mach-davinci/include/mach/cpuidle.h
@@ -12,6 +12,7 @@
 
 struct davinci_cpuidle_config {
 	u32 ddr2_pdown;
+	void __iomem *ddr2_ctlr_base;
 };
 
 #endif
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index bddc4d4..cab4a25 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -94,6 +94,7 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata);
 int da8xx_register_rtc(void);
 int da850_register_cpufreq(void);
 int da8xx_register_cpuidle(void);
+void __iomem * __init da8xx_get_mem_ctlr(void);
 
 extern struct platform_device da8xx_serial_device;
 extern struct emac_platform_data da8xx_emac_pdata;
-- 
cgit v1.1


From 7aad472bb5602242113718fc170e61b127460cbe Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:38 +0530
Subject: davinci: da850/omap-l138: unlock PLL registers during init

On omap-l1 devices the PLL registers can be locked from
writes. Currently the cpufreq rate setting code unlocks
PLL0 before the write actually happens. With suspend
support getting added PLL1 registers need be be unlocked
as well.

To facilitate this, unlock both PLLs during the init time
itself.

This also obviates the need to unlock PLL registers for
each CPUFreq transtition.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/da850.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 4f84ab4..fcfde2a 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -40,6 +40,7 @@
 #define DA850_REF_FREQ		24000000
 
 #define CFGCHIP3_ASYNC3_CLKSRC	BIT(4)
+#define CFGCHIP3_PLL1_MASTER_LOCK	BIT(5)
 #define CFGCHIP0_PLL_MASTER_LOCK	BIT(4)
 
 static int da850_set_armrate(struct clk *clk, unsigned long rate);
@@ -987,7 +988,6 @@ static int da850_set_pll0rate(struct clk *clk, unsigned long index)
 	unsigned int prediv, mult, postdiv;
 	struct da850_opp *opp;
 	struct pll_data *pll = clk->pll_data;
-	unsigned int v;
 	int ret;
 
 	opp = (struct da850_opp *) da850_freq_table[index].index;
@@ -995,11 +995,6 @@ static int da850_set_pll0rate(struct clk *clk, unsigned long index)
 	mult = opp->mult;
 	postdiv = opp->postdiv;
 
-	/* Unlock writing to PLL registers */
-	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
-	v &= ~CFGCHIP0_PLL_MASTER_LOCK;
-	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
-
 	ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
 	if (WARN_ON(ret))
 		return ret;
@@ -1053,6 +1048,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
 
 void __init da850_init(void)
 {
+	unsigned int v;
+
 	da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
 	if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
 		return;
@@ -1075,4 +1072,14 @@ void __init da850_init(void)
 	 * be any noticible change even in non-DVFS use cases.
 	 */
 	da850_set_async3_src(1);
+
+	/* Unlock writing to PLL0 registers */
+	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
+	v &= ~CFGCHIP0_PLL_MASTER_LOCK;
+	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
+
+	/* Unlock writing to PLL1 registers */
+	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
+	v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
+	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 }
-- 
cgit v1.1


From 60cd02e1f4a1574c26c9ae8d29d63bd3d179c0c2 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 16 Nov 2009 17:21:39 +0530
Subject: davinci: da850/omap-l138: create static map for SRAM

Create static map for internal SRAM and populate SRAM base
and size in soc_info structure to allow SRAM allocation
functions from arch/arm/mach-davinci/sram.c to work.

On DA850 SRAM is used for suspend-to-RAM implementation
in places where DDR2 cannot be accessed as its clocks are
stopped.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/da850.c              | 8 ++++++++
 arch/arm/mach-davinci/include/mach/da8xx.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index fcfde2a..1ac8f63 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -771,6 +771,12 @@ static struct map_desc da850_io_desc[] = {
 		.length		= DA8XX_CP_INTC_SIZE,
 		.type		= MT_DEVICE
 	},
+	{
+		.virtual	= SRAM_VIRT,
+		.pfn		= __phys_to_pfn(DA8XX_ARM_RAM_BASE),
+		.length		= SZ_8K,
+		.type		= MT_DEVICE
+	},
 };
 
 static void __iomem *da850_psc_bases[] = {
@@ -1044,6 +1050,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
 	.gpio_irq		= IRQ_DA8XX_GPIO0,
 	.serial_dev		= &da8xx_serial_device,
 	.emac_pdata		= &da8xx_emac_pdata,
+	.sram_dma		= DA8XX_ARM_RAM_BASE,
+	.sram_len		= SZ_8K,
 };
 
 void __init da850_init(void)
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index cab4a25..d43a4b6 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -57,6 +57,7 @@ extern void __iomem *da8xx_syscfg1_base;
 #define DA8XX_AEMIF_CS3_BASE	0x62000000
 #define DA8XX_AEMIF_CTL_BASE	0x68000000
 #define DA8XX_DDR2_CTL_BASE	0xb0000000
+#define DA8XX_ARM_RAM_BASE	0xffff0000
 
 #define PINMUX0			0x00
 #define PINMUX1			0x04
-- 
cgit v1.1


From 5b5052e32dc53e6e76da188c547f14c4e5e35624 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 23 Nov 2009 15:27:15 +0530
Subject: davinci: explain CLOCK_TICK_RATE of 27MHz in include/mach/timex.h

Leave a comment explaining the constant value of 27Mhz used
in include/mach/timex.h for all DaVinci platforms. Many of
the platforms actually run at 24MHz timer frequency (Eg.
EVMs of DM355, DM365 and OMAP-L1).

The comment also serves as a porting alert.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/include/mach/timex.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/include/mach/timex.h b/arch/arm/mach-davinci/include/mach/timex.h
index 5282756..9b88529 100644
--- a/arch/arm/mach-davinci/include/mach/timex.h
+++ b/arch/arm/mach-davinci/include/mach/timex.h
@@ -11,7 +11,12 @@
 #ifndef __ASM_ARCH_TIMEX_H
 #define __ASM_ARCH_TIMEX_H
 
-/* The source frequency for the timers is the 27MHz clock */
+/*
+ * Alert: Not all timers of the DaVinci family run at a frequency of 27MHz,
+ * but we should be fine as long as CLOCK_TICK_RATE or LATCH (see include/
+ * linux/jiffies.h) are not used directly in code. Currently none of the
+ * code relevant to DaVinci platform depends on these values directly.
+ */
 #define CLOCK_TICK_RATE 27000000
 
 #endif /* __ASM_ARCH_TIMEX_H__ */
-- 
cgit v1.1


From b73b526ec36068b102e735064b61dc724d45d2db Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Tue, 24 Nov 2009 18:25:14 +0530
Subject: davinci: board-dm646x-evm.c: arrange related code together

Currently all the #defines and static variables in the
board-dm646x-evm.c file are located right at the start
of the file because of which the related code is not
together - making reading the code difficult.

This patch moves around the code keeping related code
together.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-dm646x-evm.c | 90 ++++++++++++++++----------------
 1 file changed, 45 insertions(+), 45 deletions(-)

diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 8d0b0e0..8c05343 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -40,53 +40,8 @@
 #include <mach/i2c.h>
 #include <mach/nand.h>
 
-#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
-    defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
-#define HAS_ATA 1
-#else
-#define HAS_ATA 0
-#endif
-
-#define DAVINCI_ASYNC_EMIF_CONTROL_BASE		0x20008000
-#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x42000000
-
 #define NAND_BLOCK_SIZE		SZ_128K
 
-/* CPLD Register 0 bits to control ATA */
-#define DM646X_EVM_ATA_RST		BIT(0)
-#define DM646X_EVM_ATA_PWD		BIT(1)
-
-#define DM646X_EVM_PHY_MASK		(0x2)
-#define DM646X_EVM_MDIO_FREQUENCY	(2200000) /* PHY bus frequency */
-
-#define VIDCLKCTL_OFFSET	(DAVINCI_SYSTEM_MODULE_BASE + 0x38)
-#define VSCLKDIS_OFFSET		(DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
-#define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
-#define VCH2CLK_SYSCLK8		(BIT(9))
-#define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
-#define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
-#define VCH3CLK_SYSCLK8		(BIT(13))
-#define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))
-
-#define VIDCH2CLK		(BIT(10))
-#define VIDCH3CLK		(BIT(11))
-#define VIDCH1CLK		(BIT(4))
-#define TVP7002_INPUT		(BIT(4))
-#define TVP5147_INPUT		(~BIT(4))
-#define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
-#define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
-#define TVP5147_CH0		"tvp514x-0"
-#define TVP5147_CH1		"tvp514x-1"
-
-static void __iomem *vpif_vidclkctl_reg;
-static void __iomem *vpif_vsclkdis_reg;
-/* spin lock for updating above registers */
-static spinlock_t vpif_reg_lock;
-
-static struct davinci_uart_config uart_config __initdata = {
-	.enabled_uarts = (1 << 0),
-};
-
 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  * and U-Boot environment this avoids dependency on any particular combination
  * of UBL, U-Boot or flashing tools etc.
@@ -120,6 +75,9 @@ static struct davinci_nand_pdata davinci_nand_data = {
 	.options		= 0,
 };
 
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE		0x20008000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x42000000
+
 static struct resource davinci_nand_resources[] = {
 	{
 		.start		= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
@@ -144,6 +102,17 @@ static struct platform_device davinci_nand_device = {
 	},
 };
 
+#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+    defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
+/* CPLD Register 0 bits to control ATA */
+#define DM646X_EVM_ATA_RST		BIT(0)
+#define DM646X_EVM_ATA_PWD		BIT(1)
+
 /* CPLD Register 0 Client: used for I/O Control */
 static int cpld_reg0_probe(struct i2c_client *client,
 			   const struct i2c_device_id *id)
@@ -424,6 +393,30 @@ static struct davinci_i2c_platform_data i2c_pdata = {
 	.bus_delay      = 0 /* usec */,
 };
 
+#define VIDCLKCTL_OFFSET	(DAVINCI_SYSTEM_MODULE_BASE + 0x38)
+#define VSCLKDIS_OFFSET		(DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
+#define VCH2CLK_MASK		(BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
+#define VCH2CLK_SYSCLK8		(BIT(9))
+#define VCH2CLK_AUXCLK		(BIT(9) | BIT(8))
+#define VCH3CLK_MASK		(BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
+#define VCH3CLK_SYSCLK8		(BIT(13))
+#define VCH3CLK_AUXCLK		(BIT(14) | BIT(13))
+
+#define VIDCH2CLK		(BIT(10))
+#define VIDCH3CLK		(BIT(11))
+#define VIDCH1CLK		(BIT(4))
+#define TVP7002_INPUT		(BIT(4))
+#define TVP5147_INPUT		(~BIT(4))
+#define VPIF_INPUT_ONE_CHANNEL	(BIT(5))
+#define VPIF_INPUT_TWO_CHANNEL	(~BIT(5))
+#define TVP5147_CH0		"tvp514x-0"
+#define TVP5147_CH1		"tvp514x-1"
+
+static void __iomem *vpif_vidclkctl_reg;
+static void __iomem *vpif_vsclkdis_reg;
+/* spin lock for updating above registers */
+static spinlock_t vpif_reg_lock;
+
 static int set_vpif_clock(int mux_mode, int hd)
 {
 	unsigned long flags;
@@ -690,6 +683,13 @@ static void __init davinci_map_io(void)
 	dm646x_init();
 }
 
+static struct davinci_uart_config uart_config __initdata = {
+	.enabled_uarts = (1 << 0),
+};
+
+#define DM646X_EVM_PHY_MASK		(0x2)
+#define DM646X_EVM_MDIO_FREQUENCY	(2200000) /* PHY bus frequency */
+
 static __init void evm_init(void)
 {
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
-- 
cgit v1.1


From c1978e1dfb3d171010f6a22eb0a9eed89a245666 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Tue, 24 Nov 2009 18:25:15 +0530
Subject: davinci: add support for DM6467T EVM

DM6467T (T for Turbo) is a newer and faster DM6467
part from TI. The new part supports 1080p video and
has the ARM running at 495MHz. More SoC information:

http://focus.ti.com/docs/prod/folders/print/tms320dm6467t.html

Spectrum Digital, Inc has a new EVM for this part.
It is _mostly_ same as the older DM6467 EVM except
for a 33MHz crystal input and THS8200 video encoder
for 1080p support.

The meat of this patch is dedicated to initializing
the crystal frequency from EVM board file.

Additional notes:
I did consider some alternative ways to make the crystal
input board specific including - (1) having board code
initialize the crystal frequency using the first member
of soc_info->cpu_clks array (2) introducing a new ref_clk_rate
member in soc_info structure.

But, the current way seems to be the simplest and least
intruding considering that both the clock array and SoC
info structure are actually private to the SoC file. Also
the fact that davinci_common_init() initializes both the
soc_info and clocks in one go.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/Kconfig               |  4 ++++
 arch/arm/mach-davinci/board-dm646x-evm.c    | 24 ++++++++++++++++++++++++
 arch/arm/mach-davinci/dm646x.c              |  3 +--
 arch/arm/mach-davinci/include/mach/dm646x.h |  2 ++
 4 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 033bfed..0ebe185 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -91,10 +91,14 @@ config MACH_DAVINCI_DM6467_EVM
 	bool "TI DM6467 EVM"
 	default ARCH_DAVINCI_DM646x
 	depends on ARCH_DAVINCI_DM646x
+	select MACH_DAVINCI_DM6467TEVM
 	help
 	  Configure this option to specify the whether the board used
 	  for development is a DM6467 EVM
 
+config MACH_DAVINCI_DM6467TEVM
+	bool
+
 config MACH_DAVINCI_DM365_EVM
 	bool "TI DM365 EVM"
 	default ARCH_DAVINCI_DM365
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 8c05343..542bfdb 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -30,6 +30,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/clk.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -40,6 +41,8 @@
 #include <mach/i2c.h>
 #include <mach/nand.h>
 
+#include "clock.h"
+
 #define NAND_BLOCK_SIZE		SZ_128K
 
 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
@@ -713,6 +716,17 @@ static __init void davinci_dm646x_evm_irq_init(void)
 	davinci_irq_init();
 }
 
+#define DM646X_EVM_REF_FREQ		27000000
+#define DM6467T_EVM_REF_FREQ		33000000
+
+void __init dm646x_board_setup_refclk(struct clk *clk)
+{
+	if (machine_is_davinci_dm6467tevm())
+		clk->rate = DM6467T_EVM_REF_FREQ;
+	else
+		clk->rate = DM646X_EVM_REF_FREQ;
+}
+
 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 	.phys_io      = IO_PHYS,
 	.io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
@@ -723,3 +737,13 @@ MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 	.init_machine = evm_init,
 MACHINE_END
 
+MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
+	.phys_io      = IO_PHYS,
+	.io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+	.boot_params  = (0x80000100),
+	.map_io       = davinci_map_io,
+	.init_irq     = davinci_dm646x_evm_irq_init,
+	.timer        = &davinci_timer,
+	.init_machine = evm_init,
+MACHINE_END
+
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 829a44b..515d3ed 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -42,7 +42,6 @@
 /*
  * Device specific clocks
  */
-#define DM646X_REF_FREQ		27000000
 #define DM646X_AUX_FREQ		24000000
 
 static struct pll_data pll1_data = {
@@ -57,7 +56,6 @@ static struct pll_data pll2_data = {
 
 static struct clk ref_clk = {
 	.name = "ref_clk",
-	.rate = DM646X_REF_FREQ,
 };
 
 static struct clk aux_clkin = {
@@ -925,6 +923,7 @@ void dm646x_setup_vpif(struct vpif_display_config *display_config,
 
 void __init dm646x_init(void)
 {
+	dm646x_board_setup_refclk(&ref_clk);
 	davinci_common_init(&davinci_soc_info_dm646x);
 }
 
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index 8cec746..8221153 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -16,6 +16,7 @@
 #include <mach/asp.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
+#include <linux/clk.h>
 
 #define DM646X_EMAC_BASE		(0x01C80000)
 #define DM646X_EMAC_CNTRL_OFFSET	(0x0000)
@@ -30,6 +31,7 @@ void __init dm646x_init(void);
 void __init dm646x_init_ide(void);
 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
+void __init dm646x_board_setup_refclk(struct clk *clk);
 
 void dm646x_video_init(void);
 
-- 
cgit v1.1


From f979aa6e17fe11fb7b603992c742898175327499 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 3 Dec 2009 15:36:51 +0530
Subject: davinci: make /proc/davinci_clocks display multi-rooted clock tree

This patch modifies clock dump to take care of
clock tress rooted at multiple oscillators.
Current code assumes the entire tree is rooted
on a single oscillator. When using off-chip
clock synthesizers, some of the clocks can
be obtained from a different on-board oscillator.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 0fa68c5..2c27cae 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -516,12 +516,15 @@ dump_clock(struct seq_file *s, unsigned nest, struct clk *parent)
 
 static int davinci_ck_show(struct seq_file *m, void *v)
 {
-	/* Show clock tree; we know the main oscillator is first.
-	 * We trust nonzero usecounts equate to PSC enables...
+	struct clk *clk;
+
+	/*
+	 * Show clock tree; We trust nonzero usecounts equate to PSC enables...
 	 */
 	mutex_lock(&clocks_mutex);
-	if (!list_empty(&clocks))
-		dump_clock(m, 0, list_first_entry(&clocks, struct clk, node));
+	list_for_each_entry(clk, &clocks, node)
+		if (!clk->parent)
+			dump_clock(m, 0, clk);
 	mutex_unlock(&clocks_mutex);
 
 	return 0;
-- 
cgit v1.1


From 2f72e8dcc5f528976a8cd631b44dffae0591612a Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 3 Dec 2009 15:36:52 +0530
Subject: davinci: move /proc/davinci_clocks to debugfs

Move /proc/davinci_clocks to /sys/kernel/debug/davinci_clocks
(debugfs).

debugfs is more suited for this since the clock dump is
debug information.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.c | 42 +++++++++++-------------------------------
 1 file changed, 11 insertions(+), 31 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 2c27cae..a19bab1 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -459,24 +459,10 @@ int __init davinci_clk_init(struct davinci_clk *clocks)
 	return 0;
 }
 
-#ifdef CONFIG_PROC_FS
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-
-static void *davinci_ck_start(struct seq_file *m, loff_t *pos)
-{
-	return *pos < 1 ? (void *)1 : NULL;
-}
-
-static void *davinci_ck_next(struct seq_file *m, void *v, loff_t *pos)
-{
-	++*pos;
-	return NULL;
-}
+#ifdef CONFIG_DEBUG_FS
 
-static void davinci_ck_stop(struct seq_file *m, void *v)
-{
-}
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 
 #define CLKNAME_MAX	10		/* longest clock name */
 #define NEST_DELTA	2
@@ -530,30 +516,24 @@ static int davinci_ck_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static const struct seq_operations davinci_ck_op = {
-	.start	= davinci_ck_start,
-	.next	= davinci_ck_next,
-	.stop	= davinci_ck_stop,
-	.show	= davinci_ck_show
-};
-
 static int davinci_ck_open(struct inode *inode, struct file *file)
 {
-	return seq_open(file, &davinci_ck_op);
+	return single_open(file, davinci_ck_show, NULL);
 }
 
-static const struct file_operations proc_davinci_ck_operations = {
+static const struct file_operations davinci_ck_operations = {
 	.open		= davinci_ck_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
-static int __init davinci_ck_proc_init(void)
+static int __init davinci_clk_debugfs_init(void)
 {
-	proc_create("davinci_clocks", 0, NULL, &proc_davinci_ck_operations);
+	debugfs_create_file("davinci_clocks", S_IFREG | S_IRUGO, NULL, NULL,
+						&davinci_ck_operations);
 	return 0;
 
 }
-__initcall(davinci_ck_proc_init);
-#endif /* CONFIG_DEBUG_PROC_FS */
+device_initcall(davinci_clk_debugfs_init);
+#endif /* CONFIG_DEBUG_FS */
-- 
cgit v1.1


From e2abd5a282b2b146aeae7515fb42c3dbd2ff7204 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 18 Nov 2009 11:48:37 +0530
Subject: davinci: da850/omap-l138: Modify NOR partition info

On DA850/OMAP-L138, NOR flash partition was starting from offset
ZERO erasing the UBL and u-boot when the complete NOR is erased.
This patch moves the start of the partition to 512K, after the
bootloaders and u-boot env variables.

This patch also creates a new partition on NOR Flash to store
Linux kernel image.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index dba2241..ac3b5a3 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -46,8 +46,20 @@
 
 static struct mtd_partition da850_evm_norflash_partition[] = {
 	{
-		.name           = "NOR filesystem",
+		.name           = "bootloaders + env",
 		.offset         = 0,
+		.size           = SZ_512K,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "kernel",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = SZ_2M,
+		.mask_flags     = 0,
+	},
+	{
+		.name           = "filesystem",
+		.offset         = MTDPART_OFS_APPEND,
 		.size           = MTDPART_SIZ_FULL,
 		.mask_flags     = 0,
 	},
-- 
cgit v1.1


From fc42e335ee6a7dd1f740c0fc868d607cc689d7c4 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 18 Nov 2009 12:11:41 +0530
Subject: davinci: da850/omap-l138: Enable 4-bit ecc

This patch initializes the platform data to enable 4-bit
ecc support on DA850/OMAP-L138.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index ac3b5a3..76e4347 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -131,6 +131,7 @@ static struct davinci_nand_pdata da850_evm_nandflash_data = {
 	.parts		= da850_evm_nandflash_partition,
 	.nr_parts	= ARRAY_SIZE(da850_evm_nandflash_partition),
 	.ecc_mode	= NAND_ECC_HW,
+	.ecc_bits	= 4,
 	.options	= NAND_USE_FLASH_BBT,
 };
 
-- 
cgit v1.1


From 8ee2bf9ab792d0c02b13ca3acbd036debb7745d9 Mon Sep 17 00:00:00 2001
From: Sriramakrishnan <srk@ti.com>
Date: Thu, 19 Nov 2009 15:58:25 +0530
Subject: TI Davinci EMAC : Re-use driver for other platforms.

The davinci EMAC peripheral is also available on other TI
platforms -notably TI AM3517 SoC. This patch modifies the
config option and the platform structure header files so that
the driver can be reused on non-davinci platforms as well.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/common.c              |  2 +-
 arch/arm/mach-davinci/include/mach/da8xx.h  |  2 +-
 arch/arm/mach-davinci/include/mach/dm365.h  |  2 +-
 arch/arm/mach-davinci/include/mach/dm644x.h |  2 +-
 arch/arm/mach-davinci/include/mach/dm646x.h |  2 +-
 arch/arm/mach-davinci/include/mach/emac.h   | 36 -----------------------------
 drivers/net/Kconfig                         |  2 +-
 drivers/net/davinci_emac.c                  |  3 +--
 include/linux/davinci_emac.h                | 36 +++++++++++++++++++++++++++++
 9 files changed, 43 insertions(+), 44 deletions(-)
 delete mode 100644 arch/arm/mach-davinci/include/mach/emac.h
 create mode 100644 include/linux/davinci_emac.h

diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index c2de94c..94f27cb 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -11,13 +11,13 @@
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/etherdevice.h>
+#include <linux/davinci_emac.h>
 
 #include <asm/tlb.h>
 #include <asm/mach/map.h>
 
 #include <mach/common.h>
 #include <mach/cputype.h>
-#include <mach/emac.h>
 
 #include "clock.h"
 
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index d43a4b6..d9a7f11 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -13,10 +13,10 @@
 
 #include <video/da8xx-fb.h>
 
+#include <linux/davinci_emac.h>
 #include <mach/serial.h>
 #include <mach/edma.h>
 #include <mach/i2c.h>
-#include <mach/emac.h>
 #include <mach/asp.h>
 #include <mach/mmc.h>
 #include <mach/usb.h>
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index 9fc5a64..c3610eb 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -14,8 +14,8 @@
 #define __ASM_ARCH_DM665_H
 
 #include <linux/platform_device.h>
+#include <linux/davinci_emac.h>
 #include <mach/hardware.h>
-#include <mach/emac.h>
 #include <mach/asp.h>
 #include <mach/keyscan.h>
 #include <media/davinci/vpfe_capture.h>
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 44e8f0f..1a8b09c 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -22,8 +22,8 @@
 #ifndef __ASM_ARCH_DM644X_H
 #define __ASM_ARCH_DM644X_H
 
+#include <linux/davinci_emac.h>
 #include <mach/hardware.h>
-#include <mach/emac.h>
 #include <mach/asp.h>
 #include <media/davinci/vpfe_capture.h>
 
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index 8221153..846da98 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -12,11 +12,11 @@
 #define __ASM_ARCH_DM646X_H
 
 #include <mach/hardware.h>
-#include <mach/emac.h>
 #include <mach/asp.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <linux/clk.h>
+#include <linux/davinci_emac.h>
 
 #define DM646X_EMAC_BASE		(0x01C80000)
 #define DM646X_EMAC_CNTRL_OFFSET	(0x0000)
diff --git a/arch/arm/mach-davinci/include/mach/emac.h b/arch/arm/mach-davinci/include/mach/emac.h
deleted file mode 100644
index beff4fb..0000000
--- a/arch/arm/mach-davinci/include/mach/emac.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * TI DaVinci EMAC platform support
- *
- * Author: Kevin Hilman, Deep Root Systems, LLC
- *
- * 2007 (c) Deep Root Systems, LLC. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef _MACH_DAVINCI_EMAC_H
-#define _MACH_DAVINCI_EMAC_H
-
-#include <linux/if_ether.h>
-#include <linux/memory.h>
-
-struct emac_platform_data {
-	char mac_addr[ETH_ALEN];
-	u32 ctrl_reg_offset;
-	u32 ctrl_mod_reg_offset;
-	u32 ctrl_ram_offset;
-	u32 mdio_reg_offset;
-	u32 ctrl_ram_size;
-	u32 phy_mask;
-	u32 mdio_max_freq;
-	u8 rmii_en;
-	u8 version;
-};
-
-enum {
-	EMAC_VERSION_1,	/* DM644x */
-	EMAC_VERSION_2,	/* DM646x */
-};
-
-void davinci_get_mac_addr(struct memory_accessor *mem_acc, void *context);
-#endif
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index dd9a09c..1830062 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -920,7 +920,7 @@ config NET_NETX
 
 config TI_DAVINCI_EMAC
 	tristate "TI DaVinci EMAC Support"
-	depends on ARM && ARCH_DAVINCI
+	depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 )
 	select PHYLIB
 	help
 	  This driver supports TI's DaVinci Ethernet .
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 33c4fe2..9ebac35 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -62,12 +62,11 @@
 #include <linux/bitops.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
+#include <linux/davinci_emac.h>
 
 #include <asm/irq.h>
 #include <asm/page.h>
 
-#include <mach/emac.h>
-
 static int debug_level;
 module_param(debug_level, int, 0);
 MODULE_PARM_DESC(debug_level, "DaVinci EMAC debug level (NETIF_MSG bits)");
diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h
new file mode 100644
index 0000000..ff55487
--- /dev/null
+++ b/include/linux/davinci_emac.h
@@ -0,0 +1,36 @@
+/*
+ * TI DaVinci EMAC platform support
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef _LINUX_DAVINCI_EMAC_H
+#define _LINUX_DAVINCI_EMAC_H
+
+#include <linux/if_ether.h>
+#include <linux/memory.h>
+
+struct emac_platform_data {
+	char mac_addr[ETH_ALEN];
+	u32 ctrl_reg_offset;
+	u32 ctrl_mod_reg_offset;
+	u32 ctrl_ram_offset;
+	u32 mdio_reg_offset;
+	u32 ctrl_ram_size;
+	u32 phy_mask;
+	u32 mdio_max_freq;
+	u8 rmii_en;
+	u8 version;
+};
+
+enum {
+	EMAC_VERSION_1,	/* DM644x */
+	EMAC_VERSION_2,	/* DM646x */
+};
+
+void davinci_get_mac_addr(struct memory_accessor *mem_acc, void *context);
+#endif
-- 
cgit v1.1


From 01a9af36cd9d25fc71e28192974732d8053bd1c0 Mon Sep 17 00:00:00 2001
From: Sriramakrishnan <srk@ti.com>
Date: Thu, 19 Nov 2009 15:58:26 +0530
Subject: TI Davinci EMAC : add platform specific interrupt enable/disable
 logic.

On certain SOCs, the EMAC controller is interfaced with a wrapper logic
for handling interrupts. This  patch implements a platform
specific hook to cater to platforms that require custom interrupt
handling logic

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 drivers/net/davinci_emac.c   | 11 +++++++++++
 include/linux/davinci_emac.h |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 9ebac35..c735b62 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -487,6 +487,9 @@ struct emac_priv {
 	struct mii_bus *mii_bus;
 	struct phy_device *phydev;
 	spinlock_t lock;
+	/*platform specific members*/
+	void (*int_enable) (void);
+	void (*int_disable) (void);
 };
 
 /* clock frequency for EMAC */
@@ -1001,6 +1004,8 @@ static void emac_int_disable(struct emac_priv *priv)
 		emac_ctrl_write(EMAC_DM646X_CMRXINTEN, 0x0);
 		emac_ctrl_write(EMAC_DM646X_CMTXINTEN, 0x0);
 		/* NOTE: Rx Threshold and Misc interrupts are not disabled */
+		if (priv->int_disable)
+			priv->int_disable();
 
 		local_irq_restore(flags);
 
@@ -1020,6 +1025,9 @@ static void emac_int_disable(struct emac_priv *priv)
 static void emac_int_enable(struct emac_priv *priv)
 {
 	if (priv->version == EMAC_VERSION_2) {
+		if (priv->int_enable)
+			priv->int_enable();
+
 		emac_ctrl_write(EMAC_DM646X_CMRXINTEN, 0xff);
 		emac_ctrl_write(EMAC_DM646X_CMTXINTEN, 0xff);
 
@@ -2659,6 +2667,9 @@ static int __devinit davinci_emac_probe(struct platform_device *pdev)
 	priv->phy_mask = pdata->phy_mask;
 	priv->rmii_en = pdata->rmii_en;
 	priv->version = pdata->version;
+	priv->int_enable = pdata->interrupt_enable;
+	priv->int_disable = pdata->interrupt_disable;
+
 	emac_dev = &ndev->dev;
 	/* Get EMAC platform data */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h
index ff55487..6d894ef 100644
--- a/include/linux/davinci_emac.h
+++ b/include/linux/davinci_emac.h
@@ -25,6 +25,8 @@ struct emac_platform_data {
 	u32 mdio_max_freq;
 	u8 rmii_en;
 	u8 version;
+	void (*interrupt_enable) (void);
+	void (*interrupt_disable) (void);
 };
 
 enum {
-- 
cgit v1.1


From ad021ae8862209864dc8ebd3b7d3a55ce84b9ea2 Mon Sep 17 00:00:00 2001
From: Sriramakrishnan <srk@ti.com>
Date: Thu, 19 Nov 2009 15:58:27 +0530
Subject: TI Davinci EMAC : Abstract Buffer address translation logic.

When programming the DMA engine, the next pointers must be
programmed with physical address as seen from the DMA master
address space. This address may be different from physical
address of the buffer RAM area. This patch abstracts the
buffer address translation logic.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 drivers/net/davinci_emac.c   | 41 ++++++++++++++++++++++++-----------------
 include/linux/davinci_emac.h |  1 +
 2 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index c735b62..1605bc2 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -464,6 +464,7 @@ struct emac_priv {
 	void __iomem *ctrl_base;
 	void __iomem *emac_ctrl_ram;
 	u32 ctrl_ram_size;
+	u32 hw_ram_addr;
 	struct emac_txch *txch[EMAC_DEF_MAX_TX_CH];
 	struct emac_rxch *rxch[EMAC_DEF_MAX_RX_CH];
 	u32 link; /* 1=link on, 0=link off */
@@ -497,11 +498,9 @@ static struct clk *emac_clk;
 static unsigned long emac_bus_frequency;
 static unsigned long mdio_max_freq;
 
-/* EMAC internal utility function */
-static inline u32 emac_virt_to_phys(void __iomem *addr)
-{
-	return (u32 __force) io_v2p(addr);
-}
+#define emac_virt_to_phys(addr, priv) \
+	(((u32 __force)(addr) - (u32 __force)(priv->emac_ctrl_ram)) \
+	+ priv->hw_ram_addr)
 
 /* Cache macros - Packet buffers would be from skb pool which is cached */
 #define EMAC_VIRT_NOCACHE(addr) (addr)
@@ -1309,7 +1308,7 @@ static int emac_tx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 	curr_bd = txch->active_queue_head;
 	if (NULL == curr_bd) {
 		emac_write(EMAC_TXCP(ch),
-			   emac_virt_to_phys(txch->last_hw_bdprocessed));
+			   emac_virt_to_phys(txch->last_hw_bdprocessed, priv));
 		txch->no_active_pkts++;
 		spin_unlock_irqrestore(&priv->tx_lock, flags);
 		return 0;
@@ -1319,7 +1318,7 @@ static int emac_tx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 	while ((curr_bd) &&
 	      ((frame_status & EMAC_CPPI_OWNERSHIP_BIT) == 0) &&
 	      (pkts_processed < budget)) {
-		emac_write(EMAC_TXCP(ch), emac_virt_to_phys(curr_bd));
+		emac_write(EMAC_TXCP(ch), emac_virt_to_phys(curr_bd, priv));
 		txch->active_queue_head = curr_bd->next;
 		if (frame_status & EMAC_CPPI_EOQ_BIT) {
 			if (curr_bd->next) {	/* misqueued packet */
@@ -1406,7 +1405,7 @@ static int emac_send(struct emac_priv *priv, struct emac_netpktobj *pkt, u32 ch)
 		txch->active_queue_tail = curr_bd;
 		if (1 != txch->queue_active) {
 			emac_write(EMAC_TXHDP(ch),
-					emac_virt_to_phys(curr_bd));
+					emac_virt_to_phys(curr_bd, priv));
 			txch->queue_active = 1;
 		}
 		++txch->queue_reinit;
@@ -1418,10 +1417,11 @@ static int emac_send(struct emac_priv *priv, struct emac_netpktobj *pkt, u32 ch)
 		tail_bd->next = curr_bd;
 		txch->active_queue_tail = curr_bd;
 		tail_bd = EMAC_VIRT_NOCACHE(tail_bd);
-		tail_bd->h_next = (int)emac_virt_to_phys(curr_bd);
+		tail_bd->h_next = (int)emac_virt_to_phys(curr_bd, priv);
 		frame_status = tail_bd->mode;
 		if (frame_status & EMAC_CPPI_EOQ_BIT) {
-			emac_write(EMAC_TXHDP(ch), emac_virt_to_phys(curr_bd));
+			emac_write(EMAC_TXHDP(ch),
+				emac_virt_to_phys(curr_bd, priv));
 			frame_status &= ~(EMAC_CPPI_EOQ_BIT);
 			tail_bd->mode = frame_status;
 			++txch->end_of_queue_add;
@@ -1611,7 +1611,8 @@ static int emac_init_rxch(struct emac_priv *priv, u32 ch, char *param)
 		}
 
 		/* populate the hardware descriptor */
-		curr_bd->h_next = emac_virt_to_phys(rxch->active_queue_head);
+		curr_bd->h_next = emac_virt_to_phys(rxch->active_queue_head,
+				priv);
 		/* FIXME buff_ptr = dma_map_single(... data_ptr ...) */
 		curr_bd->buff_ptr = virt_to_phys(curr_bd->data_ptr);
 		curr_bd->off_b_len = rxch->buf_size;
@@ -1886,7 +1887,7 @@ static void emac_addbd_to_rx_queue(struct emac_priv *priv, u32 ch,
 		rxch->active_queue_tail = curr_bd;
 		if (0 != rxch->queue_active) {
 			emac_write(EMAC_RXHDP(ch),
-				   emac_virt_to_phys(rxch->active_queue_head));
+			   emac_virt_to_phys(rxch->active_queue_head, priv));
 			rxch->queue_active = 1;
 		}
 	} else {
@@ -1897,11 +1898,11 @@ static void emac_addbd_to_rx_queue(struct emac_priv *priv, u32 ch,
 		rxch->active_queue_tail = curr_bd;
 		tail_bd->next = curr_bd;
 		tail_bd = EMAC_VIRT_NOCACHE(tail_bd);
-		tail_bd->h_next = emac_virt_to_phys(curr_bd);
+		tail_bd->h_next = emac_virt_to_phys(curr_bd, priv);
 		frame_status = tail_bd->mode;
 		if (frame_status & EMAC_CPPI_EOQ_BIT) {
 			emac_write(EMAC_RXHDP(ch),
-					emac_virt_to_phys(curr_bd));
+					emac_virt_to_phys(curr_bd, priv));
 			frame_status &= ~(EMAC_CPPI_EOQ_BIT);
 			tail_bd->mode = frame_status;
 			++rxch->end_of_queue_add;
@@ -1994,7 +1995,7 @@ static int emac_rx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 		curr_pkt->num_bufs = 1;
 		curr_pkt->pkt_length =
 			(frame_status & EMAC_RX_BD_PKT_LENGTH_MASK);
-		emac_write(EMAC_RXCP(ch), emac_virt_to_phys(curr_bd));
+		emac_write(EMAC_RXCP(ch), emac_virt_to_phys(curr_bd, priv));
 		++rxch->processed_bd;
 		last_bd = curr_bd;
 		curr_bd = last_bd->next;
@@ -2005,7 +2006,7 @@ static int emac_rx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 			if (curr_bd) {
 				++rxch->mis_queued_packets;
 				emac_write(EMAC_RXHDP(ch),
-					   emac_virt_to_phys(curr_bd));
+					   emac_virt_to_phys(curr_bd, priv));
 			} else {
 				++rxch->end_of_queue;
 				rxch->queue_active = 0;
@@ -2106,7 +2107,7 @@ static int emac_hw_enable(struct emac_priv *priv)
 		emac_write(EMAC_RXINTMASKSET, BIT(ch));
 		rxch->queue_active = 1;
 		emac_write(EMAC_RXHDP(ch),
-			   emac_virt_to_phys(rxch->active_queue_head));
+			   emac_virt_to_phys(rxch->active_queue_head, priv));
 	}
 
 	/* Enable MII */
@@ -2702,6 +2703,12 @@ static int __devinit davinci_emac_probe(struct platform_device *pdev)
 	priv->ctrl_ram_size = pdata->ctrl_ram_size;
 	priv->emac_ctrl_ram = priv->remap_addr + pdata->ctrl_ram_offset;
 
+	if (pdata->hw_ram_addr)
+		priv->hw_ram_addr = pdata->hw_ram_addr;
+	else
+		priv->hw_ram_addr = (u32 __force)res->start +
+					pdata->ctrl_ram_offset;
+
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
 		dev_err(emac_dev, "DaVinci EMAC: Error getting irq res\n");
diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h
index 6d894ef..7c930db 100644
--- a/include/linux/davinci_emac.h
+++ b/include/linux/davinci_emac.h
@@ -19,6 +19,7 @@ struct emac_platform_data {
 	u32 ctrl_reg_offset;
 	u32 ctrl_mod_reg_offset;
 	u32 ctrl_ram_offset;
+	u32 hw_ram_addr;
 	u32 mdio_reg_offset;
 	u32 ctrl_ram_size;
 	u32 phy_mask;
-- 
cgit v1.1


From 679f9218cac9e7d63ae3868c0c71b45b1ba5f766 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Tue, 15 Dec 2009 18:02:58 +0530
Subject: davinci: clock: Check CLK_PSC flag before disabling PSC

Some modules do not have PSC to control their clocks.
The 'lpsc' field in the clk structure is 0 for such clocks.

In the clock disable function check for CLK PSC flag before
disabling the PSC. If this is not taken care of then it may
so happen that module controlled by LPSC 0 is erroneously disabled.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index a19bab1..1238393 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -49,7 +49,8 @@ static void __clk_disable(struct clk *clk)
 {
 	if (WARN_ON(clk->usecount == 0))
 		return;
-	if (--clk->usecount == 0 && !(clk->flags & CLK_PLL))
+	if (--clk->usecount == 0 && !(clk->flags & CLK_PLL) &&
+	    (clk->flags & CLK_PSC))
 		davinci_psc_config(psc_domain(clk), clk->gpsc, clk->lpsc, 0);
 	if (clk->parent)
 		__clk_disable(clk->parent);
-- 
cgit v1.1


From 7307d093e6f05d845fc5ce47893c391c819a5c2b Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Tue, 15 Dec 2009 14:05:43 -0500
Subject: DaVinci: DM365: Changing default queue for DM365.

In DM365 Q0, Q1 and Q2 are used by codecs.
LSP drivers should use Q3.
This patch changes the default queue for DM365.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dm365.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index ce9da43..ec15f3d 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -754,7 +754,7 @@ static struct edma_soc_info dm365_edma_info[] = {
 		.n_cc			= 1,
 		.queue_tc_mapping	= dm365_queue_tc_mapping,
 		.queue_priority_mapping	= dm365_queue_priority_mapping,
-		.default_queue		= EVENTQ_2,
+		.default_queue		= EVENTQ_3,
 	},
 };
 
-- 
cgit v1.1


From efc1bb8a6fd56f6df5b797dff5156c935175c319 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 17 Dec 2009 18:29:31 +0530
Subject: davinci: add power management support

This patch adds core power management (suspend-to-RAM)
support for DaVinci SoCs.

The code depends on the the "deepsleep" feature to suspend
the SoC and saves power by gating the input clock.

The wakeup can be based on an external event as supported
by the SoC.

Assembly code (in sleep.S) is added to aid gating DDR2
clocks. Code doing this work should not be accessing DDR2.
The assembly code is relocated to SRAM by the code in pm.c

The support has been validated on DA850/OMAP-L138 only
though the code is (hopefully) generic enough that other
SoCs supporting deepsleep feature simply requires SoC
specific code to start using this driver.

Note that all the device drivers don't support suspend/resume
still and are being worked on.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/Makefile              |   1 +
 arch/arm/mach-davinci/include/mach/memory.h |   1 +
 arch/arm/mach-davinci/include/mach/pm.h     |  54 +++++++
 arch/arm/mach-davinci/pm.c                  | 158 ++++++++++++++++++++
 arch/arm/mach-davinci/sleep.S               | 224 ++++++++++++++++++++++++++++
 5 files changed, 438 insertions(+)
 create mode 100644 arch/arm/mach-davinci/include/mach/pm.h
 create mode 100644 arch/arm/mach-davinci/pm.c
 create mode 100644 arch/arm/mach-davinci/sleep.S

diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index eeb9230..d0fed3a 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -34,3 +34,4 @@ obj-$(CONFIG_MACH_DAVINCI_DA850_EVM)	+= board-da850-evm.o
 # Power Management
 obj-$(CONFIG_CPU_FREQ)			+= cpufreq.o
 obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
+obj-$(CONFIG_SUSPEND)			+= pm.o sleep.o
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 7aeaf46..a91edfb 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -33,6 +33,7 @@
 
 #define DDR2_SDRCR_OFFSET	0xc
 #define DDR2_SRPD_BIT		BIT(23)
+#define DDR2_MCLKSTOPEN_BIT	BIT(30)
 #define DDR2_LPMODEN_BIT	BIT(31)
 
 /*
diff --git a/arch/arm/mach-davinci/include/mach/pm.h b/arch/arm/mach-davinci/include/mach/pm.h
new file mode 100644
index 0000000..37b19bf3
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/pm.h
@@ -0,0 +1,54 @@
+/*
+ * TI DaVinci platform support for power management.
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc. http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef _MACH_DAVINCI_PM_H
+#define _MACH_DAVINCI_PM_H
+
+/*
+ * Caution: Assembly code in sleep.S makes assumtion on the order
+ * of the members of this structure.
+ */
+struct davinci_pm_config {
+	void __iomem *ddr2_ctlr_base;
+	void __iomem *ddrpsc_reg_base;
+	int ddrpsc_num;
+	void __iomem *ddrpll_reg_base;
+	void __iomem *deepsleep_reg;
+	void __iomem *cpupll_reg_base;
+	/*
+	 * Note on SLEEPCOUNT:
+	 * The SLEEPCOUNT feature is mainly intended for cases in which
+	 * the internal oscillator is used. The internal oscillator is
+	 * fully disabled in deep sleep mode.  When you exist deep sleep
+	 * mode, the oscillator will be turned on and will generate very
+	 * small oscillations which will not be detected by the deep sleep
+	 * counter.  Eventually those oscillations will grow to an amplitude
+	 * large enough to start incrementing the deep sleep counter.
+	 * In this case recommendation from hardware engineers is that the
+	 * SLEEPCOUNT be set to 4096.  This means that 4096 valid clock cycles
+	 * must be detected before the clock is passed to the rest of the
+	 * system.
+	 * In the case that the internal oscillator is not used and the
+	 * clock is generated externally, the SLEEPCOUNT value can be very
+	 * small since the clock input is assumed to be stable before SoC
+	 * is taken out of deepsleep mode.  A value of 128 would be more than
+	 * adequate.
+	 */
+	int sleepcount;
+};
+
+extern unsigned int davinci_cpu_suspend_sz;
+extern void davinci_cpu_suspend(struct davinci_pm_config *);
+
+#endif
diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c
new file mode 100644
index 0000000..fab953b
--- /dev/null
+++ b/arch/arm/mach-davinci/pm.c
@@ -0,0 +1,158 @@
+/*
+ * DaVinci Power Management Routines
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc. http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/pm.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+
+#include <asm/cacheflush.h>
+#include <asm/delay.h>
+
+#include <mach/da8xx.h>
+#include <mach/sram.h>
+#include <mach/pm.h>
+
+#include "clock.h"
+
+#define DEEPSLEEP_SLEEPCOUNT_MASK	0xFFFF
+
+static void (*davinci_sram_suspend) (struct davinci_pm_config *);
+static struct davinci_pm_config *pdata;
+
+static void davinci_sram_push(void *dest, void *src, unsigned int size)
+{
+	memcpy(dest, src, size);
+	flush_icache_range((unsigned long)dest, (unsigned long)(dest + size));
+}
+
+static void davinci_pm_suspend(void)
+{
+	unsigned val;
+
+	if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+
+		/* Switch CPU PLL to bypass mode */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN);
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+		udelay(PLL_BYPASS_TIME);
+
+		/* Powerdown CPU PLL */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val |= PLLCTL_PLLPWRDN;
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+	}
+
+	/* Configure sleep count in deep sleep register */
+	val = __raw_readl(pdata->deepsleep_reg);
+	val &= ~DEEPSLEEP_SLEEPCOUNT_MASK,
+	val |= pdata->sleepcount;
+	__raw_writel(val, pdata->deepsleep_reg);
+
+	/* System goes to sleep in this call */
+	davinci_sram_suspend(pdata);
+
+	if (pdata->cpupll_reg_base != pdata->ddrpll_reg_base) {
+
+		/* put CPU PLL in reset */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val &= ~PLLCTL_PLLRST;
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+		/* put CPU PLL in power down */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val &= ~PLLCTL_PLLPWRDN;
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+		/* wait for CPU PLL reset */
+		udelay(PLL_RESET_TIME);
+
+		/* bring CPU PLL out of reset */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val |= PLLCTL_PLLRST;
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+
+		/* Wait for CPU PLL to lock */
+		udelay(PLL_LOCK_TIME);
+
+		/* Remove CPU PLL from bypass mode */
+		val = __raw_readl(pdata->cpupll_reg_base + PLLCTL);
+		val &= ~PLLCTL_PLLENSRC;
+		val |= PLLCTL_PLLEN;
+		__raw_writel(val, pdata->cpupll_reg_base + PLLCTL);
+	}
+}
+
+static int davinci_pm_enter(suspend_state_t state)
+{
+	int ret = 0;
+
+	switch (state) {
+	case PM_SUSPEND_STANDBY:
+	case PM_SUSPEND_MEM:
+		davinci_pm_suspend();
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static struct platform_suspend_ops davinci_pm_ops = {
+	.enter		= davinci_pm_enter,
+	.valid		= suspend_valid_only_mem,
+};
+
+static int __init davinci_pm_probe(struct platform_device *pdev)
+{
+	pdata = pdev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&pdev->dev, "cannot get platform data\n");
+		return -ENOENT;
+	}
+
+	davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL);
+	if (!davinci_sram_suspend) {
+		dev_err(&pdev->dev, "cannot allocate SRAM memory\n");
+		return -ENOMEM;
+	}
+
+	davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend,
+						davinci_cpu_suspend_sz);
+
+	suspend_set_ops(&davinci_pm_ops);
+
+	return 0;
+}
+
+static int __exit davinci_pm_remove(struct platform_device *pdev)
+{
+	sram_free(davinci_sram_suspend, davinci_cpu_suspend_sz);
+	return 0;
+}
+
+static struct platform_driver davinci_pm_driver = {
+	.driver = {
+		.name	 = "pm-davinci",
+		.owner	 = THIS_MODULE,
+	},
+	.remove = __exit_p(davinci_pm_remove),
+};
+
+static int __init davinci_pm_init(void)
+{
+	return platform_driver_probe(&davinci_pm_driver, davinci_pm_probe);
+}
+late_initcall(davinci_pm_init);
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
new file mode 100644
index 0000000..fb5e72b
--- /dev/null
+++ b/arch/arm/mach-davinci/sleep.S
@@ -0,0 +1,224 @@
+/*
+ * (C) Copyright 2009, Texas Instruments, Inc. http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* replicated define because linux/bitops.h cannot be included in assembly */
+#define BIT(nr)			(1 << (nr))
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <mach/psc.h>
+#include <mach/memory.h>
+
+#include "clock.h"
+
+/* Arbitrary, hardware currently does not update PHYRDY correctly */
+#define PHYRDY_CYCLES		0x1000
+
+/* Assume 25 MHz speed for the cycle conversions since PLLs are bypassed */
+#define PLL_BYPASS_CYCLES	(PLL_BYPASS_TIME * 25)
+#define PLL_RESET_CYCLES	(PLL_RESET_TIME	* 25)
+#define PLL_LOCK_CYCLES		(PLL_LOCK_TIME * 25)
+
+#define DEEPSLEEP_SLEEPENABLE_BIT	BIT(31)
+
+	.text
+/*
+ * Move DaVinci into deep sleep state
+ *
+ * Note: This code is copied to internal SRAM by PM code. When the DaVinci
+ *	 wakes up it continues execution at the point it went to sleep.
+ * Register Usage:
+ * 	r0: contains virtual base for DDR2 controller
+ * 	r1: contains virtual base for DDR2 Power and Sleep controller (PSC)
+ * 	r2: contains PSC number for DDR2
+ * 	r3: contains virtual base DDR2 PLL controller
+ * 	r4: contains virtual address of the DEEPSLEEP register
+ */
+ENTRY(davinci_cpu_suspend)
+	stmfd	sp!, {r0-r12, lr}		@ save registers on stack
+
+	ldr 	ip, CACHE_FLUSH
+	blx	ip
+
+	ldmia	r0, {r0-r4}
+
+	/*
+	 * Switch DDR to self-refresh mode.
+	 */
+
+	/* calculate SDRCR address */
+	ldr	ip, [r0, #DDR2_SDRCR_OFFSET]
+	bic	ip, ip, #DDR2_SRPD_BIT
+	orr	ip, ip, #DDR2_LPMODEN_BIT
+	str	ip, [r0, #DDR2_SDRCR_OFFSET]
+
+	ldr	ip, [r0, #DDR2_SDRCR_OFFSET]
+	orr	ip, ip, #DDR2_MCLKSTOPEN_BIT
+	str	ip, [r0, #DDR2_SDRCR_OFFSET]
+
+       mov	ip, #PHYRDY_CYCLES
+1:     subs	ip, ip, #0x1
+       bne	1b
+
+       /* Disable DDR2 LPSC */
+	mov	r7, r0
+	mov	r0, #0x2
+	bl davinci_ddr_psc_config
+	mov	r0, r7
+
+	/* Disable clock to DDR PHY */
+	ldr	ip, [r3, #PLLDIV1]
+	bic	ip, ip, #PLLDIV_EN
+	str	ip, [r3, #PLLDIV1]
+
+	/* Put the DDR PLL in bypass and power down */
+	ldr	ip, [r3, #PLLCTL]
+	bic	ip, ip, #PLLCTL_PLLENSRC
+	bic	ip, ip, #PLLCTL_PLLEN
+	str	ip, [r3, #PLLCTL]
+
+	/* Wait for PLL to switch to bypass */
+       mov	ip, #PLL_BYPASS_CYCLES
+2:     subs	ip, ip, #0x1
+       bne	2b
+
+       /* Power down the PLL */
+	ldr	ip, [r3, #PLLCTL]
+	orr	ip, ip, #PLLCTL_PLLPWRDN
+	str	ip, [r3, #PLLCTL]
+
+	/* Go to deep sleep */
+	ldr	ip, [r4]
+	orr	ip, ip, #DEEPSLEEP_SLEEPENABLE_BIT
+	/* System goes to sleep beyond after this instruction */
+	str	ip, [r4]
+
+	/* Wake up from sleep */
+
+	/* Clear sleep enable */
+	ldr	ip, [r4]
+	bic	ip, ip, #DEEPSLEEP_SLEEPENABLE_BIT
+	str	ip, [r4]
+
+	/* initialize the DDR PLL controller */
+
+	/* Put PLL in reset */
+	ldr	ip, [r3, #PLLCTL]
+	bic	ip, ip, #PLLCTL_PLLRST
+	str	ip, [r3, #PLLCTL]
+
+	/* Clear PLL power down */
+	ldr	ip, [r3, #PLLCTL]
+	bic	ip, ip, #PLLCTL_PLLPWRDN
+	str	ip, [r3, #PLLCTL]
+
+       mov	ip, #PLL_RESET_CYCLES
+3:     subs	ip, ip, #0x1
+       bne	3b
+
+       /* Bring PLL out of reset */
+	ldr	ip, [r3, #PLLCTL]
+	orr	ip, ip, #PLLCTL_PLLRST
+	str	ip, [r3, #PLLCTL]
+
+	/* Wait for PLL to lock (assume prediv = 1, 25MHz OSCIN) */
+       mov	ip, #PLL_LOCK_CYCLES
+4:     subs	ip, ip, #0x1
+       bne	4b
+
+       /* Remove PLL from bypass mode */
+	ldr	ip, [r3, #PLLCTL]
+	bic	ip, ip, #PLLCTL_PLLENSRC
+	orr	ip, ip, #PLLCTL_PLLEN
+	str	ip, [r3, #PLLCTL]
+
+	/* Start 2x clock to DDR2 */
+
+	ldr	ip, [r3, #PLLDIV1]
+	orr	ip, ip, #PLLDIV_EN
+	str	ip, [r3, #PLLDIV1]
+
+	/* Enable VCLK */
+
+       /* Enable DDR2 LPSC */
+	mov	r7, r0
+	mov	r0, #0x3
+	bl davinci_ddr_psc_config
+	mov	r0, r7
+
+	/* clear  MCLKSTOPEN */
+
+	ldr	ip, [r0, #DDR2_SDRCR_OFFSET]
+	bic	ip, ip, #DDR2_MCLKSTOPEN_BIT
+	str	ip, [r0, #DDR2_SDRCR_OFFSET]
+
+	ldr	ip, [r0, #DDR2_SDRCR_OFFSET]
+	bic	ip, ip, #DDR2_LPMODEN_BIT
+	str	ip, [r0, #DDR2_SDRCR_OFFSET]
+
+	/* Restore registers and return */
+	ldmfd   sp!, {r0-r12, pc}
+
+ENDPROC(davinci_cpu_suspend)
+
+/*
+ * Disables or Enables DDR2 LPSC
+ * Register Usage:
+ * 	r0: Enable or Disable LPSC r0 = 0x3 => Enable, r0 = 0x2 => Disable LPSC
+ * 	r1: contains virtual base for DDR2 Power and Sleep controller (PSC)
+ * 	r2: contains PSC number for DDR2
+ */
+ENTRY(davinci_ddr_psc_config)
+	/* Set next state in mdctl for DDR2 */
+	mov	r6, #MDCTL
+	add	r6, r6, r2, lsl #2
+	ldr	ip, [r1, r6]
+	bic	ip, ip, #MDSTAT_STATE_MASK
+	orr	ip, ip, r0
+	str	ip, [r1, r6]
+
+	/* Enable the Power Domain Transition Command */
+	ldr	ip, [r1, #PTCMD]
+	orr	ip, ip, #0x1
+	str	ip, [r1, #PTCMD]
+
+	/* Check for Transition Complete (PTSTAT) */
+ptstat_done:
+	ldr	ip, [r1, #PTSTAT]
+	and	ip, ip, #0x1
+	cmp 	ip, #0x0
+	bne	ptstat_done
+
+	/* Check for DDR2 clock disable completion; */
+	mov	r6, #MDSTAT
+	add	r6, r6, r2, lsl #2
+ddr2clk_stop_done:
+	ldr	ip, [r1, r6]
+	and	ip, ip, #MDSTAT_STATE_MASK
+	cmp	ip, r0
+	bne	ddr2clk_stop_done
+
+	mov	pc, lr
+ENDPROC(davinci_ddr_psc_config)
+
+CACHE_FLUSH:
+	.word	arm926_flush_kern_cache_all
+
+ENTRY(davinci_cpu_suspend_sz)
+	.word	. - davinci_cpu_suspend
+ENDPROC(davinci_cpu_suspend_sz)
-- 
cgit v1.1


From 044ca01521d077a35b46a445b02b93f413109a4b Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 17 Dec 2009 18:29:32 +0530
Subject: davinci: da850/omap-l138: add support for SoC suspend

This patch adds support for registering for suspend-to-RAM
functionality on da850/omap-l138 SoCs.

da850 supports wakeup based on external event and RTC
alarm.

Currently only RTC alarm based wakeup is supported.
Support for wakeup based on external event will be
added as later improvements.

For scheduling an alarm event on RTC some useful code
is present in Documentation/rtc.txt

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/da850.c              | 39 ++++++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/da8xx.h |  4 +++
 arch/arm/mach-davinci/include/mach/mux.h   |  1 +
 3 files changed, 44 insertions(+)

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 1ac8f63..b9a7b3b 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -26,6 +26,7 @@
 #include <mach/time.h>
 #include <mach/da8xx.h>
 #include <mach/cpufreq.h>
+#include <mach/pm.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -536,6 +537,7 @@ static const struct mux_config da850_pins[] = {
 	MUX_CFG(DA850, GPIO2_15,	5,	0,	15,	8,	false)
 	MUX_CFG(DA850, GPIO4_0,		10,	28,	15,	8,	false)
 	MUX_CFG(DA850, GPIO4_1,		10,	24,	15,	8,	false)
+	MUX_CFG(DA850, RTC_ALARM,	0,	28,	15,	2,	false)
 #endif
 };
 
@@ -1029,6 +1031,43 @@ static int da850_round_armrate(struct clk *clk, unsigned long rate)
 }
 #endif
 
+int da850_register_pm(struct platform_device *pdev)
+{
+	int ret;
+	struct davinci_pm_config *pdata = pdev->dev.platform_data;
+
+	ret = davinci_cfg_reg(DA850_RTC_ALARM);
+	if (ret)
+		return ret;
+
+	pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
+	pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
+	pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
+
+	pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
+	if (!pdata->cpupll_reg_base)
+		return -ENOMEM;
+
+	pdata->ddrpll_reg_base = ioremap(DA8XX_PLL1_BASE, SZ_4K);
+	if (!pdata->ddrpll_reg_base) {
+		ret = -ENOMEM;
+		goto no_ddrpll_mem;
+	}
+
+	pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
+	if (!pdata->ddrpsc_reg_base) {
+		ret = -ENOMEM;
+		goto no_ddrpsc_mem;
+	}
+
+	return platform_device_register(pdev);
+
+no_ddrpsc_mem:
+	iounmap(pdata->ddrpll_reg_base);
+no_ddrpll_mem:
+	iounmap(pdata->cpupll_reg_base);
+	return ret;
+}
 
 static struct davinci_soc_info davinci_soc_info_da850 = {
 	.io_desc		= da850_io_desc,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index d9a7f11..cc9be7f 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -20,6 +20,7 @@
 #include <mach/asp.h>
 #include <mach/mmc.h>
 #include <mach/usb.h>
+#include <mach/pm.h>
 
 extern void __iomem *da8xx_syscfg0_base;
 extern void __iomem *da8xx_syscfg1_base;
@@ -44,6 +45,7 @@ extern void __iomem *da8xx_syscfg1_base;
 
 #define DA8XX_SYSCFG1_BASE	(IO_PHYS + 0x22C000)
 #define DA8XX_SYSCFG1_VIRT(x)	(da8xx_syscfg1_base + (x))
+#define DA8XX_DEEPSLEEP_REG	0x8
 
 #define DA8XX_PSC0_BASE		0x01c10000
 #define DA8XX_PLL0_BASE		0x01c11000
@@ -52,6 +54,7 @@ extern void __iomem *da8xx_syscfg1_base;
 #define DA8XX_GPIO_BASE		0x01e26000
 #define DA8XX_PSC1_BASE		0x01e27000
 #define DA8XX_LCD_CNTRL_BASE	0x01e13000
+#define DA8XX_PLL1_BASE		0x01e1a000
 #define DA8XX_MMCSD0_BASE	0x01c40000
 #define DA8XX_AEMIF_CS2_BASE	0x60000000
 #define DA8XX_AEMIF_CS3_BASE	0x62000000
@@ -96,6 +99,7 @@ int da8xx_register_rtc(void);
 int da850_register_cpufreq(void);
 int da8xx_register_cpuidle(void);
 void __iomem * __init da8xx_get_mem_ctlr(void);
+int da850_register_pm(struct platform_device *pdev);
 
 extern struct platform_device da8xx_serial_device;
 extern struct emac_platform_data da8xx_emac_pdata;
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index b60c693..137bfba 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -899,6 +899,7 @@ enum davinci_da850_index {
 	DA850_GPIO2_15,
 	DA850_GPIO4_0,
 	DA850_GPIO4_1,
+	DA850_RTC_ALARM,
 };
 
 #ifdef CONFIG_DAVINCI_MUX
-- 
cgit v1.1


From 635344436385bbdca24b57ef14f2dde53e9af082 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 17 Dec 2009 18:29:33 +0530
Subject: davinci: da850/omap-l138 EVM: register for suspend support

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 76e4347..411284d 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -89,6 +89,18 @@ static struct platform_device da850_evm_norflash_device = {
 	.resource	= da850_evm_norflash_resource,
 };
 
+static struct davinci_pm_config da850_pm_pdata = {
+	.sleepcount = 128,
+};
+
+static struct platform_device da850_pm_device = {
+	.name           = "pm-davinci",
+	.dev = {
+		.platform_data	= &da850_pm_pdata,
+	},
+	.id             = -1,
+};
+
 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
  * (128K blocks). It may be used instead of the (default) SPI flash
  * to boot, using TI's tools to install the secondary boot loader
@@ -709,6 +721,11 @@ static __init void da850_evm_init(void)
 	if (ret)
 		pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
 				ret);
+
+	ret = da850_register_pm(&da850_pm_device);
+	if (ret)
+		pr_warning("da850_evm_init: suspend registration failed: %d\n",
+				ret);
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
-- 
cgit v1.1


From 5b8972d1b6461d0081d2d49dde4d129290da26f0 Mon Sep 17 00:00:00 2001
From: Nageswari Srinivasan <nageswari@ti.com>
Date: Wed, 6 Jan 2010 17:19:48 +0530
Subject: davinci: add support for CDCE949 clock synthesizer

This patch adds support for TI's CDCE949 - a clock
synthesizer with 4 PLLs and 9 outputs.

It is used on DM6467 EVM. On the EVM, it generates
clocks required for VPIF, TSIF and Audio modules.

This patch adds it as part of the DaVinci clock framework.

Testing:
The various frequency outputs on Y1 have been tested using
a out-of-tree VPIF video driver supporting HD video.
The register values for Y5 frequency outputs have been
derived from TSIF driver sources in MontaVista LSP kernel,
but actual output has not been tested for lack of TSIF
driver which actually works on the latest kernel.

Signed-off-by: Nageswari Srinivasan <nageswari@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/cdce949.c              | 289 +++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/cdce949.h |  19 ++
 2 files changed, 308 insertions(+)
 create mode 100644 arch/arm/mach-davinci/cdce949.c
 create mode 100644 arch/arm/mach-davinci/include/mach/cdce949.h

diff --git a/arch/arm/mach-davinci/cdce949.c b/arch/arm/mach-davinci/cdce949.c
new file mode 100644
index 0000000..6af3289
--- /dev/null
+++ b/arch/arm/mach-davinci/cdce949.c
@@ -0,0 +1,289 @@
+/*
+ * TI CDCE949 clock synthesizer driver
+ *
+ * Note: This implementation assumes an input of 27MHz to the CDCE.
+ * This is by no means constrained by CDCE hardware although the datasheet
+ * does use this as an example for all illustrations and more importantly:
+ * that is the crystal input on boards it is currently used on.
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated. http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+
+#include <mach/clock.h>
+
+#include "clock.h"
+
+static struct i2c_client *cdce_i2c_client;
+
+/* CDCE register descriptor */
+struct cdce_reg {
+	u8	addr;
+	u8	val;
+};
+
+/* Per-Output (Y1, Y2 etc.) frequency descriptor */
+struct cdce_freq {
+	/* Frequency in KHz */
+	unsigned long frequency;
+	/*
+	 * List of registers to program to obtain a particular frequency.
+	 * 0x0 in register address and value is the end of list marker.
+	 */
+	struct cdce_reg *reglist;
+};
+
+#define CDCE_FREQ_TABLE_ENTRY(line, out)		\
+{							\
+	.reglist	= cdce_y ##line## _ ##out,		\
+	.frequency	= out,				\
+}
+
+/* List of CDCE outputs  */
+struct cdce_output {
+	/* List of frequencies on this output */
+	struct cdce_freq *freq_table;
+	/* Number of possible frequencies */
+	int size;
+};
+
+/*
+ * Finding out the values to program into CDCE949 registers for a particular
+ * frequency output is not a simple calculation. Have a look at the datasheet
+ * for the details. There is desktop software available to help users with
+ * the calculations. Here, we just depend on the output of that software
+ * (or hand calculations) instead trying to runtime calculate the register
+ * values and inflicting misery on ourselves.
+ */
+static struct cdce_reg cdce_y1_148500[] = {
+	{ 0x13, 0x00 },
+	/* program PLL1_0 multiplier */
+	{ 0x18, 0xaf },
+	{ 0x19, 0x50 },
+	{ 0x1a, 0x02 },
+	{ 0x1b, 0xc9 },
+	/* program PLL1_11 multiplier */
+	{ 0x1c, 0x00 },
+	{ 0x1d, 0x40 },
+	{ 0x1e, 0x02 },
+	{ 0x1f, 0xc9 },
+	/* output state selection */
+	{ 0x15, 0x00 },
+	{ 0x14, 0xef },
+	/* switch MUX to PLL1 output */
+	{ 0x14, 0x6f },
+	{ 0x16, 0x06 },
+	/* set P2DIV divider, P3DIV and input crystal */
+	{ 0x17, 0x06 },
+	{ 0x01, 0x00 },
+	{ 0x05, 0x48 },
+	{ 0x02, 0x80 },
+	/* enable and disable PLL */
+	{ 0x02, 0xbc },
+	{ 0x03, 0x01 },
+	{ },
+};
+
+static struct cdce_reg cdce_y1_74250[] = {
+	{ 0x13, 0x00 },
+	{ 0x18, 0xaf },
+	{ 0x19, 0x50 },
+	{ 0x1a, 0x02 },
+	{ 0x1b, 0xc9 },
+	{ 0x1c, 0x00 },
+	{ 0x1d, 0x40 },
+	{ 0x1e, 0x02 },
+	{ 0x1f, 0xc9 },
+	/* output state selection */
+	{ 0x15, 0x00 },
+	{ 0x14, 0xef },
+	/* switch MUX to PLL1 output */
+	{ 0x14, 0x6f },
+	{ 0x16, 0x06 },
+	/* set P2DIV divider, P3DIV and input crystal */
+	{ 0x17, 0x06 },
+	{ 0x01, 0x00 },
+	{ 0x05, 0x48 },
+	{ 0x02, 0x80 },
+	/* enable and disable PLL */
+	{ 0x02, 0xbc },
+	{ 0x03, 0x02 },
+	{ },
+};
+
+static struct cdce_reg cdce_y1_27000[] = {
+	{ 0x13, 0x00 },
+	{ 0x18, 0x00 },
+	{ 0x19, 0x40 },
+	{ 0x1a, 0x02 },
+	{ 0x1b, 0x08 },
+	{ 0x1c, 0x00 },
+	{ 0x1d, 0x40 },
+	{ 0x1e, 0x02 },
+	{ 0x1f, 0x08 },
+	{ 0x15, 0x02 },
+	{ 0x14, 0xed },
+	{ 0x16, 0x01 },
+	{ 0x17, 0x01 },
+	{ 0x01, 0x00 },
+	{ 0x05, 0x50 },
+	{ 0x02, 0xb4 },
+	{ 0x03, 0x01 },
+	{ },
+};
+
+static struct cdce_freq cdce_y1_freqs[] = {
+	CDCE_FREQ_TABLE_ENTRY(1, 148500),
+	CDCE_FREQ_TABLE_ENTRY(1, 74250),
+	CDCE_FREQ_TABLE_ENTRY(1, 27000),
+};
+
+static struct cdce_reg cdce_y5_13500[] = {
+	{ 0x27, 0x08 },
+	{ 0x28, 0x00 },
+	{ 0x29, 0x40 },
+	{ 0x2a, 0x02 },
+	{ 0x2b, 0x08 },
+	{ 0x24, 0x6f },
+	{ },
+};
+
+static struct cdce_reg cdce_y5_16875[] = {
+	{ 0x27, 0x08 },
+	{ 0x28, 0x9f },
+	{ 0x29, 0xb0 },
+	{ 0x2a, 0x02 },
+	{ 0x2b, 0x89 },
+	{ 0x24, 0x6f },
+	{ },
+};
+
+static struct cdce_reg cdce_y5_27000[] = {
+	{ 0x27, 0x04 },
+	{ 0x28, 0x00 },
+	{ 0x29, 0x40 },
+	{ 0x2a, 0x02 },
+	{ 0x2b, 0x08 },
+	{ 0x24, 0x6f },
+	{ },
+};
+static struct cdce_reg cdce_y5_54000[] = {
+	{ 0x27, 0x04 },
+	{ 0x28, 0xff },
+	{ 0x29, 0x80 },
+	{ 0x2a, 0x02 },
+	{ 0x2b, 0x07 },
+	{ 0x24, 0x6f },
+	{ },
+};
+
+static struct cdce_reg cdce_y5_81000[] = {
+	{ 0x27, 0x02 },
+	{ 0x28, 0xbf },
+	{ 0x29, 0xa0 },
+	{ 0x2a, 0x03 },
+	{ 0x2b, 0x0a },
+	{ 0x24, 0x6f },
+	{ },
+};
+
+static struct cdce_freq cdce_y5_freqs[] = {
+	CDCE_FREQ_TABLE_ENTRY(5, 13500),
+	CDCE_FREQ_TABLE_ENTRY(5, 16875),
+	CDCE_FREQ_TABLE_ENTRY(5, 27000),
+	CDCE_FREQ_TABLE_ENTRY(5, 54000),
+	CDCE_FREQ_TABLE_ENTRY(5, 81000),
+};
+
+
+static struct cdce_output output_list[] = {
+	[1]	= { cdce_y1_freqs, ARRAY_SIZE(cdce_y1_freqs) },
+	[5]	= { cdce_y5_freqs, ARRAY_SIZE(cdce_y5_freqs) },
+};
+
+int cdce_set_rate(struct clk *clk, unsigned long rate)
+{
+	int i, ret = 0;
+	struct cdce_freq *freq_table = output_list[clk->lpsc].freq_table;
+	struct cdce_reg  *regs = NULL;
+
+	if (!cdce_i2c_client)
+		return -ENODEV;
+
+	if (!freq_table)
+		return -EINVAL;
+
+	for (i = 0; i < output_list[clk->lpsc].size; i++) {
+		if (freq_table[i].frequency == rate / 1000) {
+			regs = freq_table[i].reglist;
+			break;
+		}
+	}
+
+	if (!regs)
+		return -EINVAL;
+
+	for (i = 0; regs[i].addr; i++) {
+		ret = i2c_smbus_write_byte_data(cdce_i2c_client,
+					regs[i].addr | 0x80, regs[i].val);
+		if (ret)
+			return ret;
+	}
+
+	clk->rate = rate;
+
+	return 0;
+}
+
+static int cdce_probe(struct i2c_client *client,
+					const struct i2c_device_id *id)
+{
+	cdce_i2c_client = client;
+	return 0;
+}
+
+static int __devexit cdce_remove(struct i2c_client *client)
+{
+	cdce_i2c_client = NULL;
+	return 0;
+}
+
+static const struct i2c_device_id cdce_id[] = {
+	{"cdce949", 0},
+	{},
+};
+MODULE_DEVICE_TABLE(i2c, cdce_id);
+
+static struct i2c_driver cdce_driver = {
+	.driver = {
+		.owner	= THIS_MODULE,
+		.name	= "cdce949",
+	},
+	.probe		= cdce_probe,
+	.remove		= __devexit_p(cdce_remove),
+	.id_table	= cdce_id,
+};
+
+static int __init cdce_init(void)
+{
+	return i2c_add_driver(&cdce_driver);
+}
+subsys_initcall(cdce_init);
+
+static void __exit cdce_exit(void)
+{
+	i2c_del_driver(&cdce_driver);
+}
+module_exit(cdce_exit);
+
+MODULE_AUTHOR("Texas Instruments");
+MODULE_DESCRIPTION("CDCE949 clock synthesizer driver");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-davinci/include/mach/cdce949.h b/arch/arm/mach-davinci/include/mach/cdce949.h
new file mode 100644
index 0000000..c73331fa
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/cdce949.h
@@ -0,0 +1,19 @@
+/*
+ * TI CDCE949 off-chip clock synthesizer support
+ *
+ * 2009 (C) Texas Instruments, Inc. http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+#ifndef _MACH_DAVINCI_CDCE949_H
+#define _MACH_DAVINCI_CDCE949_H
+
+#include <linux/clk.h>
+
+#include <mach/clock.h>
+
+int cdce_set_rate(struct clk *clk, unsigned long rate);
+
+#endif
-- 
cgit v1.1


From 77a92c710b65864fe07491864f3bbac9fbac51bc Mon Sep 17 00:00:00 2001
From: Nageswari Srinivasan <nageswari@ti.com>
Date: Wed, 6 Jan 2010 17:19:49 +0530
Subject: davinci: add CDCE949 support on DM6467 EVM

This patch adds the CDCE949 reference oscillator to
the davinci clock list.

On the DM6467T EVM, the CDCE949 is responsible for
generating the pixel clock for display. On the DM6467
EVM, this pixel clock was being obtained from an
internal source. This is not possible on the DM6467T
EVM because of the presence of a 33MHz oscillator.

The TSIF module also requires the CDCE949 to generate
the data clocks.

The actual clock definitions will be added by patches
adding support for DM6467T VPIF and TSIF. This patch
mearly lays the foundation for that work.

Signed-off-by: Nageswari Srinivasan <nageswari@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/Makefile           |  2 +-
 arch/arm/mach-davinci/board-dm646x-evm.c | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index d0fed3a..6aac880 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -26,7 +26,7 @@ obj-$(CONFIG_MACH_SFFSDR)		+= board-sffsdr.o
 obj-$(CONFIG_MACH_NEUROS_OSD2)		+= board-neuros-osd2.o
 obj-$(CONFIG_MACH_DAVINCI_DM355_EVM)	+= board-dm355-evm.o
 obj-$(CONFIG_MACH_DM355_LEOPARD)	+= board-dm355-leopard.o
-obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM)	+= board-dm646x-evm.o
+obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM)	+= board-dm646x-evm.o cdce949.o
 obj-$(CONFIG_MACH_DAVINCI_DM365_EVM)	+= board-dm365-evm.o
 obj-$(CONFIG_MACH_DAVINCI_DA830_EVM)	+= board-da830-evm.o
 obj-$(CONFIG_MACH_DAVINCI_DA850_EVM)	+= board-da850-evm.o
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 542bfdb..815067b 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -40,6 +40,8 @@
 #include <mach/serial.h>
 #include <mach/i2c.h>
 #include <mach/nand.h>
+#include <mach/clock.h>
+#include <mach/cdce949.h>
 
 #include "clock.h"
 
@@ -389,6 +391,9 @@ static struct i2c_board_info __initdata i2c_info[] =  {
 	{
 		I2C_BOARD_INFO("cpld_video", 0x3b),
 	},
+	{
+		I2C_BOARD_INFO("cdce949", 0x6c),
+	},
 };
 
 static struct davinci_i2c_platform_data i2c_pdata = {
@@ -681,9 +686,35 @@ static void __init evm_init_i2c(void)
 	evm_init_video();
 }
 
+#define CDCE949_XIN_RATE	27000000
+
+/* CDCE949 support - "lpsc" field is overridden to work as clock number */
+static struct clk cdce_clk_in = {
+	.name	= "cdce_xin",
+	.rate	= CDCE949_XIN_RATE,
+};
+
+static struct davinci_clk cdce_clks[] = {
+	CLK(NULL, "xin", &cdce_clk_in),
+	CLK(NULL, NULL, NULL),
+};
+
+static void __init cdce_clk_init(void)
+{
+	struct davinci_clk *c;
+	struct clk *clk;
+
+	for (c = cdce_clks; c->lk.clk; c++) {
+		clk = c->lk.clk;
+		clkdev_add(&c->lk);
+		clk_register(clk);
+	}
+}
+
 static void __init davinci_map_io(void)
 {
 	dm646x_init();
+	cdce_clk_init();
 }
 
 static struct davinci_uart_config uart_config __initdata = {
-- 
cgit v1.1


From 0e6cb8d296308a75e4047fabc752731ff7836182 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 6 Jan 2010 17:28:36 +0530
Subject: davinci: Correct return value of edma_alloc_channel api

Currently, edma_alloc_channel api is returning the channel
number without prepending the controller on which the
channel was allocated. So, if a channel is allocated on
2nd controller, calls subsequent to edma_alloc_channel would
never know that channel was allocated on the 2nd controller,
and continue to operate on 1st controller, resulting in edma
failure. This patch fixes this issue.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 648fbb7..5a71f4d 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -642,7 +642,7 @@ int edma_alloc_channel(int channel,
 
 	map_dmach_queue(ctlr, channel, eventq_no);
 
-	return channel;
+	return EDMA_CTLR_CHAN(ctlr, channel);
 }
 EXPORT_SYMBOL(edma_alloc_channel);
 
-- 
cgit v1.1


From 2d517508060c22ef371a61495773cf890def291a Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 6 Jan 2010 17:28:44 +0530
Subject: davinci: Keep count of channel controllers on a platform

Some architectures have only one channel controller, but the
edma_alloc_channel api loops twice to findout the free channel
available in EDMA_CHANNEL_ANY case. A new variable has been
introduced to keep count of number of channel controllers being
used on a particular architecture.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 5a71f4d..97a49f9 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -243,6 +243,7 @@ struct edma {
 };
 
 static struct edma *edma_info[EDMA_MAX_CC];
+static int arch_num_cc;
 
 /* dummy param set used to (re)initialize parameter RAM slots */
 static const struct edmacc_param dummy_paramset = {
@@ -602,7 +603,7 @@ int edma_alloc_channel(int channel,
 	}
 
 	if (channel < 0) {
-		for (i = 0; i < EDMA_MAX_CC; i++) {
+		for (i = 0; i < arch_num_cc; i++) {
 			channel = 0;
 			for (;;) {
 				channel = find_next_bit(edma_info[i]->
@@ -1467,6 +1468,7 @@ static int __init edma_probe(struct platform_device *pdev)
 			edma_write_array2(j, EDMA_DRAE, i, 1, 0x0);
 			edma_write_array(j, EDMA_QRAE, i, 0x0);
 		}
+		arch_num_cc++;
 	}
 
 	if (tc_errs_handled) {
-- 
cgit v1.1


From 447f18f1b4a3e86159353d016dcaac25414b3a42 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 6 Jan 2010 17:29:11 +0530
Subject: davinci: Fix edma_alloc_channel api for EDMA_CHANNEL_ANY case

Though edma_alloc_channel api was looping through the available
channel controllers in EDMA_CHANNEL_ANY case, it was never
returning the channel for 2nd channel controller, if 1st
channel controller had no free channels. This issue has
been fixed with this patch.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dma.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 97a49f9..89a3dcc 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -595,7 +595,7 @@ int edma_alloc_channel(int channel,
 		void *data,
 		enum dma_event_q eventq_no)
 {
-	unsigned i, done, ctlr = 0;
+	unsigned i, done = 0, ctlr = 0;
 
 	if (channel >= 0) {
 		ctlr = EDMA_CTLR(channel);
@@ -611,7 +611,7 @@ int edma_alloc_channel(int channel,
 						edma_info[i]->num_channels,
 						channel);
 				if (channel == edma_info[i]->num_channels)
-					return -ENOMEM;
+					break;
 				if (!test_and_set_bit(channel,
 						edma_info[i]->edma_inuse)) {
 					done = 1;
@@ -623,6 +623,8 @@ int edma_alloc_channel(int channel,
 			if (done)
 				break;
 		}
+		if (!done)
+			return -ENOMEM;
 	} else if (channel >= edma_info[ctlr]->num_channels) {
 		return -EINVAL;
 	} else if (test_and_set_bit(channel, edma_info[ctlr]->edma_inuse)) {
-- 
cgit v1.1


From f900d552f95a009e4c4910aff7acbd45f952aa2e Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 6 Jan 2010 17:29:49 +0530
Subject: davinci: build list of unused EDMA events dynamically

Currently, the edma_noevent list is passed from platform data.
But on some architectures, there will be many EDMA channels
which will not be used at all. This patch scans all the
platform devices and then builds a list of events which are
not being used. The unused event list will be used to allocate
EDMA channels in case of EDMA_CHANNEL_ANY usage instead of the
edma_noevent being used earlier for this purpose.

This patch is based on David Brownells's suggestion at
http://article.gmane.org/gmane.linux.davinci/15176.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/devices-da8xx.c     |  6 ----
 arch/arm/mach-davinci/dm355.c             |  8 -----
 arch/arm/mach-davinci/dm644x.c            | 10 ------
 arch/arm/mach-davinci/dm646x.c            |  9 -----
 arch/arm/mach-davinci/dma.c               | 55 ++++++++++++++++++++++++-------
 arch/arm/mach-davinci/include/mach/edma.h |  2 --
 6 files changed, 43 insertions(+), 47 deletions(-)

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 0c759ad..ab12a8f 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -83,11 +83,6 @@ struct platform_device da8xx_serial_device = {
 	},
 };
 
-static const s8 da8xx_dma_chan_no_event[] = {
-	20, 21,
-	-1
-};
-
 static const s8 da8xx_queue_tc_mapping[][2] = {
 	/* {event queue no, TC no} */
 	{0, 0},
@@ -109,7 +104,6 @@ static struct edma_soc_info da8xx_edma_info[] = {
 		.n_slot			= 128,
 		.n_tc			= 2,
 		.n_cc			= 1,
-		.noevent		= da8xx_dma_chan_no_event,
 		.queue_tc_mapping	= da8xx_queue_tc_mapping,
 		.queue_priority_mapping	= da8xx_queue_priority_mapping,
 	},
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index dedf4d4..b1185f8 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -564,13 +564,6 @@ static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 
 /*----------------------------------------------------------------------*/
 
-static const s8 dma_chan_dm355_no_event[] = {
-	12, 13, 24, 56, 57,
-	58, 59, 60, 61, 62,
-	63,
-	-1
-};
-
 static const s8
 queue_tc_mapping[][2] = {
 	/* {event queue no, TC no} */
@@ -594,7 +587,6 @@ static struct edma_soc_info dm355_edma_info[] = {
 		.n_slot			= 128,
 		.n_tc			= 2,
 		.n_cc			= 1,
-		.noevent		= dma_chan_dm355_no_event,
 		.queue_tc_mapping	= queue_tc_mapping,
 		.queue_priority_mapping	= queue_priority_mapping,
 	},
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 2cd0081..fc060e7 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -479,15 +479,6 @@ static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 
 /*----------------------------------------------------------------------*/
 
-static const s8 dma_chan_dm644x_no_event[] = {
-	 0,  1, 12, 13, 14,
-	15, 25, 30, 31, 45,
-	46, 47, 55, 56, 57,
-	58, 59, 60, 61, 62,
-	63,
-	-1
-};
-
 static const s8
 queue_tc_mapping[][2] = {
 	/* {event queue no, TC no} */
@@ -511,7 +502,6 @@ static struct edma_soc_info dm644x_edma_info[] = {
 		.n_slot			= 128,
 		.n_tc			= 2,
 		.n_cc			= 1,
-		.noevent		= dma_chan_dm644x_no_event,
 		.queue_tc_mapping	= queue_tc_mapping,
 		.queue_priority_mapping	= queue_priority_mapping,
 	},
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 515d3ed..7eb34e9 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -511,14 +511,6 @@ static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 
 /*----------------------------------------------------------------------*/
 
-static const s8 dma_chan_dm646x_no_event[] = {
-	 0,  1,  2,  3, 13,
-	14, 15, 24, 25, 26,
-	27, 30, 31, 54, 55,
-	56,
-	-1
-};
-
 /* Four Transfer Controllers on DM646x */
 static const s8
 dm646x_queue_tc_mapping[][2] = {
@@ -547,7 +539,6 @@ static struct edma_soc_info dm646x_edma_info[] = {
 		.n_slot			= 512,
 		.n_tc			= 4,
 		.n_cc			= 1,
-		.noevent		= dma_chan_dm646x_no_event,
 		.queue_tc_mapping	= dm646x_queue_tc_mapping,
 		.queue_priority_mapping	= dm646x_queue_priority_mapping,
 	},
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 89a3dcc..15dd886 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -226,11 +226,11 @@ struct edma {
 	 */
 	DECLARE_BITMAP(edma_inuse, EDMA_MAX_PARAMENTRY);
 
-	/* The edma_noevent bit for each channel is clear unless
-	 * it doesn't trigger DMA events on this platform.  It uses a
-	 * bit of SOC-specific initialization code.
+	/* The edma_unused bit for each channel is clear unless
+	 * it is not being used on this platform. It uses a bit
+	 * of SOC-specific initialization code.
 	 */
-	DECLARE_BITMAP(edma_noevent, EDMA_MAX_DMACH);
+	DECLARE_BITMAP(edma_unused, EDMA_MAX_DMACH);
 
 	unsigned	irq_res_start;
 	unsigned	irq_res_end;
@@ -556,8 +556,27 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id,
 	return EDMA_CTLR_CHAN(ctlr, i - num_slots + 1);
 }
 
+static int prepare_unused_channel_list(struct device *dev, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	int i, ctlr;
+
+	for (i = 0; i < pdev->num_resources; i++) {
+		if ((pdev->resource[i].flags & IORESOURCE_DMA) &&
+				(int)pdev->resource[i].start >= 0) {
+			ctlr = EDMA_CTLR(pdev->resource[i].start);
+			clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start),
+					edma_info[ctlr]->edma_unused);
+		}
+	}
+
+	return 0;
+}
+
 /*-----------------------------------------------------------------------*/
 
+static bool unused_chan_list_done;
+
 /* Resource alloc/free:  dma channels, parameter RAM slots */
 
 /**
@@ -596,6 +615,21 @@ int edma_alloc_channel(int channel,
 		enum dma_event_q eventq_no)
 {
 	unsigned i, done = 0, ctlr = 0;
+	int ret = 0;
+
+	if (!unused_chan_list_done) {
+		/*
+		 * Scan all the platform devices to find out the EDMA channels
+		 * used and clear them in the unused list, making the rest
+		 * available for ARM usage.
+		 */
+		ret = bus_for_each_dev(&platform_bus_type, NULL, NULL,
+				prepare_unused_channel_list);
+		if (ret < 0)
+			return ret;
+
+		unused_chan_list_done = true;
+	}
 
 	if (channel >= 0) {
 		ctlr = EDMA_CTLR(channel);
@@ -607,7 +641,7 @@ int edma_alloc_channel(int channel,
 			channel = 0;
 			for (;;) {
 				channel = find_next_bit(edma_info[i]->
-						edma_noevent,
+						edma_unused,
 						edma_info[i]->num_channels,
 						channel);
 				if (channel == edma_info[i]->num_channels)
@@ -1222,7 +1256,7 @@ int edma_start(unsigned channel)
 		unsigned int mask = (1 << (channel & 0x1f));
 
 		/* EDMA channels without event association */
-		if (test_bit(channel, edma_info[ctlr]->edma_noevent)) {
+		if (test_bit(channel, edma_info[ctlr]->edma_unused)) {
 			pr_debug("EDMA: ESR%d %08x\n", j,
 				edma_shadow0_read_array(ctlr, SH_ESR, j));
 			edma_shadow0_write_array(ctlr, SH_ESR, j, mask);
@@ -1347,7 +1381,6 @@ static int __init edma_probe(struct platform_device *pdev)
 	const s8		(*queue_tc_mapping)[2];
 	int			i, j, found = 0;
 	int			status = -1;
-	const s8		*noevent;
 	int			irq[EDMA_MAX_CC] = {0, 0};
 	int			err_irq[EDMA_MAX_CC] = {0, 0};
 	struct resource		*r[EDMA_MAX_CC] = {NULL};
@@ -1410,11 +1443,9 @@ static int __init edma_probe(struct platform_device *pdev)
 			memcpy_toio(edmacc_regs_base[j] + PARM_OFFSET(i),
 					&dummy_paramset, PARM_SIZE);
 
-		noevent = info[j].noevent;
-		if (noevent) {
-			while (*noevent != -1)
-				set_bit(*noevent++, edma_info[j]->edma_noevent);
-		}
+		/* Mark all channels as unused */
+		memset(edma_info[j]->edma_unused, 0xff,
+			sizeof(edma_info[j]->edma_unused));
 
 		sprintf(irq_name, "edma%d", j);
 		irq[j] = platform_get_irq_byname(pdev, irq_name);
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index eb8bfd7..ced3092 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -280,8 +280,6 @@ struct edma_soc_info {
 	unsigned	n_cc;
 	enum dma_event_q	default_queue;
 
-	/* list of channels with no even trigger; terminated by "-1" */
-	const s8	*noevent;
 	const s8	(*queue_tc_mapping)[2];
 	const s8	(*queue_priority_mapping)[2];
 };
-- 
cgit v1.1


From 3f995f2fd7e0814630f55be37c650a5983e4077e Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Wed, 6 Jan 2010 17:30:06 +0530
Subject: davinci: da8xx/omap-l1xx: Add EDMA platform data for da850/omap-l138

Currently da850/omap-l138 supports only one channel controller
instance of EDMA though EDMA driver as such supports multiple
channel controller instances. This patch adds platform data
for the 2nd EDMA channel controller. As, the platform data
differ between da830/omap-l137 and da850/omap-l138, existing
code has been re-shuffled to accommodate this.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/devices-da8xx.c | 121 ++++++++++++++++++++++++++++++++--
 1 file changed, 114 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index ab12a8f..0a96791 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -24,8 +24,10 @@
 #include "clock.h"
 
 #define DA8XX_TPCC_BASE			0x01c00000
+#define DA850_TPCC1_BASE		0x01e30000
 #define DA8XX_TPTC0_BASE		0x01c08000
 #define DA8XX_TPTC1_BASE		0x01c08400
+#define DA850_TPTC2_BASE		0x01e38000
 #define DA8XX_WDOG_BASE			0x01c21000 /* DA8XX_TIMER64P1_BASE */
 #define DA8XX_I2C0_BASE			0x01c22000
 #define DA8XX_RTC_BASE			0x01C23000
@@ -97,7 +99,31 @@ static const s8 da8xx_queue_priority_mapping[][2] = {
 	{-1, -1}
 };
 
-static struct edma_soc_info da8xx_edma_info[] = {
+static const s8 da850_queue_tc_mapping[][2] = {
+	/* {event queue no, TC no} */
+	{0, 0},
+	{-1, -1}
+};
+
+static const s8 da850_queue_priority_mapping[][2] = {
+	/* {event queue no, Priority} */
+	{0, 3},
+	{-1, -1}
+};
+
+static struct edma_soc_info da830_edma_info[] = {
+	{
+		.n_channel		= 32,
+		.n_region		= 4,
+		.n_slot			= 128,
+		.n_tc			= 2,
+		.n_cc			= 1,
+		.queue_tc_mapping	= da8xx_queue_tc_mapping,
+		.queue_priority_mapping	= da8xx_queue_priority_mapping,
+	},
+};
+
+static struct edma_soc_info da850_edma_info[] = {
 	{
 		.n_channel		= 32,
 		.n_region		= 4,
@@ -107,9 +133,49 @@ static struct edma_soc_info da8xx_edma_info[] = {
 		.queue_tc_mapping	= da8xx_queue_tc_mapping,
 		.queue_priority_mapping	= da8xx_queue_priority_mapping,
 	},
+	{
+		.n_channel		= 32,
+		.n_region		= 4,
+		.n_slot			= 128,
+		.n_tc			= 1,
+		.n_cc			= 1,
+		.queue_tc_mapping	= da850_queue_tc_mapping,
+		.queue_priority_mapping	= da850_queue_priority_mapping,
+	},
+};
+
+static struct resource da830_edma_resources[] = {
+	{
+		.name	= "edma_cc0",
+		.start	= DA8XX_TPCC_BASE,
+		.end	= DA8XX_TPCC_BASE + SZ_32K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "edma_tc0",
+		.start	= DA8XX_TPTC0_BASE,
+		.end	= DA8XX_TPTC0_BASE + SZ_1K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "edma_tc1",
+		.start	= DA8XX_TPTC1_BASE,
+		.end	= DA8XX_TPTC1_BASE + SZ_1K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "edma0",
+		.start	= IRQ_DA8XX_CCINT0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "edma0_err",
+		.start	= IRQ_DA8XX_CCERRINT,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
-static struct resource da8xx_edma_resources[] = {
+static struct resource da850_edma_resources[] = {
 	{
 		.name	= "edma_cc0",
 		.start	= DA8XX_TPCC_BASE,
@@ -129,6 +195,18 @@ static struct resource da8xx_edma_resources[] = {
 		.flags	= IORESOURCE_MEM,
 	},
 	{
+		.name	= "edma_cc1",
+		.start	= DA850_TPCC1_BASE,
+		.end	= DA850_TPCC1_BASE + SZ_32K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "edma_tc2",
+		.start	= DA850_TPTC2_BASE,
+		.end	= DA850_TPTC2_BASE + SZ_1K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
 		.name	= "edma0",
 		.start	= IRQ_DA8XX_CCINT0,
 		.flags	= IORESOURCE_IRQ,
@@ -138,21 +216,50 @@ static struct resource da8xx_edma_resources[] = {
 		.start	= IRQ_DA8XX_CCERRINT,
 		.flags	= IORESOURCE_IRQ,
 	},
+	{
+		.name	= "edma1",
+		.start	= IRQ_DA850_CCINT1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.name	= "edma1_err",
+		.start	= IRQ_DA850_CCERRINT1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device da830_edma_device = {
+	.name		= "edma",
+	.id		= -1,
+	.dev = {
+		.platform_data = da830_edma_info,
+	},
+	.num_resources	= ARRAY_SIZE(da830_edma_resources),
+	.resource	= da830_edma_resources,
 };
 
-static struct platform_device da8xx_edma_device = {
+static struct platform_device da850_edma_device = {
 	.name		= "edma",
 	.id		= -1,
 	.dev = {
-		.platform_data	= da8xx_edma_info,
+		.platform_data = da850_edma_info,
 	},
-	.num_resources	= ARRAY_SIZE(da8xx_edma_resources),
-	.resource	= da8xx_edma_resources,
+	.num_resources	= ARRAY_SIZE(da850_edma_resources),
+	.resource	= da850_edma_resources,
 };
 
 int __init da8xx_register_edma(void)
 {
-	return platform_device_register(&da8xx_edma_device);
+	struct platform_device *pdev;
+
+	if (cpu_is_davinci_da830())
+		pdev = &da830_edma_device;
+	else if (cpu_is_davinci_da850())
+		pdev = &da850_edma_device;
+	else
+		return -ENODEV;
+
+	return platform_device_register(pdev);
 }
 
 static struct resource da8xx_i2c_resources0[] = {
-- 
cgit v1.1


From 00642f6616a0d1893ab1dcfec4d833210f310e95 Mon Sep 17 00:00:00 2001
From: Philby John <pjohn@in.mvista.com>
Date: Mon, 11 Jan 2010 15:53:31 +0530
Subject: Add SDA and SCL pin numbers to i2c platform data

Patch adds SDA and SCL pin numbers to the i2c platform data
structure for Davinci DM355 and DM6446. This at present is
used for i2c bus recovery.
TODO: Add SDA and SCL pin number information to include all
Davinci platforms such as dm355-leopard, dm365, dm646x, da8xx etc.

Signed-off-by: Philby John <pjohn@in.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-dm355-evm.c  | 2 ++
 arch/arm/mach-davinci/board-dm644x-evm.c | 2 ++
 arch/arm/mach-davinci/include/mach/i2c.h | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 077ecf4..aa48e3f 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -111,6 +111,8 @@ static struct platform_device davinci_nand_device = {
 static struct davinci_i2c_platform_data i2c_pdata = {
 	.bus_freq	= 400	/* kHz */,
 	.bus_delay	= 0	/* usec */,
+	.sda_pin        = 15,
+	.scl_pin        = 14,
 };
 
 static struct snd_platform_data dm355_evm_snd_data;
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index e9612cf..976e11b 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -629,6 +629,8 @@ static struct i2c_board_info __initdata i2c_info[] =  {
 static struct davinci_i2c_platform_data i2c_pdata = {
 	.bus_freq	= 20 /* kHz */,
 	.bus_delay	= 100 /* usec */,
+	.sda_pin        = 44,
+	.scl_pin        = 43,
 };
 
 static void __init evm_init_i2c(void)
diff --git a/arch/arm/mach-davinci/include/mach/i2c.h b/arch/arm/mach-davinci/include/mach/i2c.h
index c248e9b..39fdcea 100644
--- a/arch/arm/mach-davinci/include/mach/i2c.h
+++ b/arch/arm/mach-davinci/include/mach/i2c.h
@@ -16,6 +16,8 @@
 struct davinci_i2c_platform_data {
 	unsigned int	bus_freq;	/* standard bus frequency (kHz) */
 	unsigned int	bus_delay;	/* post-transaction delay (usec) */
+	unsigned int    sda_pin;        /* GPIO pin ID to use for SDA */
+	unsigned int    scl_pin;        /* GPIO pin ID to use for SCL */
 };
 
 /* for board setup code */
-- 
cgit v1.1


From 3b43cd6f2dcbf871b8cabe16ae4ac8c036c959ac Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Tue, 12 Jan 2010 18:55:35 +0530
Subject: davinci: clock: let clk->set_rate function sleep

When supporting I2C/SPI based on-board PLLs like CDCE949,
it is essential that clk->set_rate be able to sleep.

Currently, this is not possible because clk->set_rate is
called from within spin-lock in clk_set_rate

This patch brings clk->set_rate outside of the spin-lock
and lets the individual set_rate implementations achieve
serialization through appropiate means.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/cdce949.c | 10 +++++++---
 arch/arm/mach-davinci/clock.c   |  9 ++++++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-davinci/cdce949.c b/arch/arm/mach-davinci/cdce949.c
index 6af3289..aec3756 100644
--- a/arch/arm/mach-davinci/cdce949.c
+++ b/arch/arm/mach-davinci/cdce949.c
@@ -23,6 +23,7 @@
 #include "clock.h"
 
 static struct i2c_client *cdce_i2c_client;
+static DEFINE_MUTEX(cdce_mutex);
 
 /* CDCE register descriptor */
 struct cdce_reg {
@@ -231,16 +232,19 @@ int cdce_set_rate(struct clk *clk, unsigned long rate)
 	if (!regs)
 		return -EINVAL;
 
+	mutex_lock(&cdce_mutex);
 	for (i = 0; regs[i].addr; i++) {
 		ret = i2c_smbus_write_byte_data(cdce_i2c_client,
 					regs[i].addr | 0x80, regs[i].val);
 		if (ret)
-			return ret;
+			break;
 	}
+	mutex_unlock(&cdce_mutex);
 
-	clk->rate = rate;
+	if (!ret)
+		clk->rate = rate;
 
-	return 0;
+	return ret;
 }
 
 static int cdce_probe(struct i2c_client *client,
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 1238393..0fc63f9 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -125,9 +125,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 	if (clk == NULL || IS_ERR(clk))
 		return ret;
 
-	spin_lock_irqsave(&clockfw_lock, flags);
 	if (clk->set_rate)
 		ret = clk->set_rate(clk, rate);
+
+	spin_lock_irqsave(&clockfw_lock, flags);
 	if (ret == 0) {
 		if (clk->recalc)
 			clk->rate = clk->recalc(clk);
@@ -364,6 +365,7 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 {
 	u32 ctrl;
 	unsigned int locktime;
+	unsigned long flags;
 
 	if (pll->base == NULL)
 		return -EINVAL;
@@ -384,6 +386,9 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 	if (mult)
 		mult = mult - 1;
 
+	/* Protect against simultaneous calls to PLL setting seqeunce */
+	spin_lock_irqsave(&clockfw_lock, flags);
+
 	ctrl = __raw_readl(pll->base + PLLCTL);
 
 	/* Switch the PLL to bypass mode */
@@ -416,6 +421,8 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 	ctrl |= PLLCTL_PLLEN;
 	__raw_writel(ctrl, pll->base + PLLCTL);
 
+	spin_unlock_irqrestore(&clockfw_lock, flags);
+
 	return 0;
 }
 EXPORT_SYMBOL(davinci_set_pllrate);
-- 
cgit v1.1


From e89861e9b44fcd606cdade6230eb0037ad5911bf Mon Sep 17 00:00:00 2001
From: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Date: Thu, 21 Jan 2010 11:41:51 -0600
Subject: DaVinci: DM365: Voice codec support for the DM365 SoC

This patch adds the generic Voice Codec support for the DM365 based
platforms.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dm365.c              | 37 +++++++++++++++++++++++++++++-
 arch/arm/mach-davinci/include/mach/dm365.h |  5 ++++
 arch/arm/mach-davinci/include/mach/mux.h   |  2 ++
 3 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index ec15f3d..d501056 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -455,7 +455,7 @@ static struct davinci_clk dm365_clks[] = {
 	CLK(NULL, "timer3", &timer3_clk),
 	CLK(NULL, "usb", &usb_clk),
 	CLK("davinci_emac.1", NULL, &emac_clk),
-	CLK("voice_codec", NULL, &voicecodec_clk),
+	CLK("davinci_voicecodec", NULL, &voicecodec_clk),
 	CLK("davinci-asp.0", NULL, &asp0_clk),
 	CLK(NULL, "rto", &rto_clk),
 	CLK(NULL, "mjcp", &mjcp_clk),
@@ -606,6 +606,8 @@ INT_CFG(DM365,  INT_NSF_DISABLE,     25,    1,    0,     false)
 
 EVT_CFG(DM365,	EVT2_ASP_TX,         0,     1,    0,     false)
 EVT_CFG(DM365,	EVT3_ASP_RX,         1,     1,    0,     false)
+EVT_CFG(DM365,	EVT2_VC_TX,          0,     1,    1,     false)
+EVT_CFG(DM365,	EVT3_VC_RX,          1,     1,    1,     false)
 #endif
 };
 
@@ -835,6 +837,31 @@ static struct platform_device dm365_asp_device = {
 	.resource	= dm365_asp_resources,
 };
 
+static struct resource dm365_vc_resources[] = {
+	{
+		.start	= DAVINCI_DM365_VC_BASE,
+		.end	= DAVINCI_DM365_VC_BASE + SZ_1K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= DAVINCI_DMA_VC_TX,
+		.end	= DAVINCI_DMA_VC_TX,
+		.flags	= IORESOURCE_DMA,
+	},
+	{
+		.start	= DAVINCI_DMA_VC_RX,
+		.end	= DAVINCI_DMA_VC_RX,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device dm365_vc_device = {
+	.name		= "davinci_voicecodec",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(dm365_vc_resources),
+	.resource	= dm365_vc_resources,
+};
+
 static struct resource dm365_rtc_resources[] = {
 	{
 		.start = DM365_RTC_BASE,
@@ -991,6 +1018,14 @@ void __init dm365_init_asp(struct snd_platform_data *pdata)
 	platform_device_register(&dm365_asp_device);
 }
 
+void __init dm365_init_vc(struct snd_platform_data *pdata)
+{
+	davinci_cfg_reg(DM365_EVT2_VC_TX);
+	davinci_cfg_reg(DM365_EVT3_VC_RX);
+	dm365_vc_device.dev.platform_data = pdata;
+	platform_device_register(&dm365_vc_device);
+}
+
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata)
 {
 	dm365_ks_device.dev.platform_data = pdata;
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index c3610eb..fdf6f85 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -32,8 +32,13 @@
 
 #define DM365_RTC_BASE			(0x01C69000)
 
+#define DAVINCI_DM365_VC_BASE		(0x01D0C000)
+#define DAVINCI_DMA_VC_TX		2
+#define DAVINCI_DMA_VC_RX		3
+
 void __init dm365_init(void);
 void __init dm365_init_asp(struct snd_platform_data *pdata);
+void __init dm365_init_vc(struct snd_platform_data *pdata);
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
 void __init dm365_init_rtc(void);
 
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 137bfba..2a68c1d 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -327,6 +327,8 @@ enum davinci_dm365_index {
 	/* EDMA event muxing */
 	DM365_EVT2_ASP_TX,
 	DM365_EVT3_ASP_RX,
+	DM365_EVT2_VC_TX,
+	DM365_EVT3_VC_RX,
 	DM365_EVT26_MMC0_RX,
 };
 
-- 
cgit v1.1


From 08aca087f263e8089420b2723fe0c1a0cbe5de0c Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 11 Jan 2010 08:22:23 -0800
Subject: davinci: clkdev cleanup: remove clk_lookup wrapper, use
 clkdev_add_table()

Remove unneeded 'struct davinci_clk' wrapper around 'struct clk_lookup'
and use clkdev_add_table() to add the list of clocks in one go.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/clock.c               | 13 ++++++++-----
 arch/arm/mach-davinci/clock.h               | 22 ++++++++--------------
 arch/arm/mach-davinci/da830.c               |  2 +-
 arch/arm/mach-davinci/da850.c               |  8 ++++----
 arch/arm/mach-davinci/dm355.c               |  2 +-
 arch/arm/mach-davinci/dm365.c               |  2 +-
 arch/arm/mach-davinci/dm644x.c              |  2 +-
 arch/arm/mach-davinci/dm646x.c              |  2 +-
 arch/arm/mach-davinci/include/mach/common.h |  2 +-
 9 files changed, 26 insertions(+), 29 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 0fc63f9..bf6218e 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -427,13 +427,14 @@ int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 }
 EXPORT_SYMBOL(davinci_set_pllrate);
 
-int __init davinci_clk_init(struct davinci_clk *clocks)
+int __init davinci_clk_init(struct clk_lookup *clocks)
   {
-	struct davinci_clk *c;
+	struct clk_lookup *c;
 	struct clk *clk;
+	size_t num_clocks = 0;
 
-	for (c = clocks; c->lk.clk; c++) {
-		clk = c->lk.clk;
+	for (c = clocks; c->clk; c++) {
+		clk = c->clk;
 
 		if (!clk->recalc) {
 
@@ -456,14 +457,16 @@ int __init davinci_clk_init(struct davinci_clk *clocks)
 		if (clk->lpsc)
 			clk->flags |= CLK_PSC;
 
-		clkdev_add(&c->lk);
 		clk_register(clk);
+		num_clocks++;
 
 		/* Turn on clocks that Linux doesn't otherwise manage */
 		if (clk->flags & ALWAYS_ENABLED)
 			clk_enable(clk);
 	}
 
+	clkdev_add_table(clocks, num_clocks);
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index 31fb6ea..aa0a611 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -106,20 +106,14 @@ struct clk {
 #define CLK_PLL			BIT(4) /* PLL-derived clock */
 #define PRE_PLL                 BIT(5) /* source is before PLL mult/div */
 
-struct davinci_clk {
-	struct clk_lookup lk;
-};
-
-#define CLK(dev, con, ck) 		\
-	{				\
-		.lk = {			\
-			.dev_id = dev,	\
-			.con_id = con,	\
-			.clk = ck,	\
-		},			\
-	}
-
-int davinci_clk_init(struct davinci_clk *clocks);
+#define CLK(dev, con, ck) 	\
+	{			\
+		.dev_id = dev,	\
+		.con_id = con,	\
+		.clk = ck,	\
+	}			\
+
+int davinci_clk_init(struct clk_lookup *clocks);
 int davinci_set_pllrate(struct pll_data *pll, unsigned int prediv,
 				unsigned int mult, unsigned int postdiv);
 
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 5479605..122e61a 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -371,7 +371,7 @@ static struct clk rmii_clk = {
 	.parent		= &pll0_sysclk7,
 };
 
-static struct davinci_clk da830_clks[] = {
+static struct clk_lookup da830_clks[] = {
 	CLK(NULL,		"ref",		&ref_clk),
 	CLK(NULL,		"pll0",		&pll0_clk),
 	CLK(NULL,		"pll0_aux",	&pll0_aux_clk),
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index b9a7b3b..d0fd756 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -335,7 +335,7 @@ static struct clk aemif_clk = {
 	.flags		= ALWAYS_ENABLED,
 };
 
-static struct davinci_clk da850_clks[] = {
+static struct clk_lookup da850_clks[] = {
 	CLK(NULL,		"ref",		&ref_clk),
 	CLK(NULL,		"pll0",		&pll0_clk),
 	CLK(NULL,		"pll0_aux",	&pll0_aux_clk),
@@ -834,12 +834,12 @@ static struct davinci_timer_info da850_timer_info = {
 static void da850_set_async3_src(int pllnum)
 {
 	struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
-	struct davinci_clk *c;
+	struct clk_lookup *c;
 	unsigned int v;
 	int ret;
 
-	for (c = da850_clks; c->lk.clk; c++) {
-		clk = c->lk.clk;
+	for (c = da850_clks; c->clk; c++) {
+		clk = c->clk;
 		if (clk->flags & DA850_CLK_ASYNC3) {
 			ret = clk_set_parent(clk, newparent);
 			WARN(ret, "DA850: unable to re-parent clock %s",
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index b1185f8..2cdd874 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -335,7 +335,7 @@ static struct clk usb_clk = {
 	.lpsc = DAVINCI_LPSC_USB,
 };
 
-static struct davinci_clk dm355_clks[] = {
+static struct clk_lookup dm355_clks[] = {
 	CLK(NULL, "ref", &ref_clk),
 	CLK(NULL, "pll1", &pll1_clk),
 	CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index d501056..e88f262 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -403,7 +403,7 @@ static struct clk mjcp_clk = {
 	.lpsc		= DM365_LPSC_MJCP,
 };
 
-static struct davinci_clk dm365_clks[] = {
+static struct clk_lookup dm365_clks[] = {
 	CLK(NULL, "ref", &ref_clk),
 	CLK(NULL, "pll1", &pll1_clk),
 	CLK(NULL, "pll1_aux", &pll1_aux_clk),
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index fc060e7..a7b5723 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -277,7 +277,7 @@ static struct clk timer2_clk = {
 	.usecount = 1,              /* REVISIT: why cant' this be disabled? */
 };
 
-struct davinci_clk dm644x_clks[] = {
+struct clk_lookup dm644x_clks[] = {
 	CLK(NULL, "ref", &ref_clk),
 	CLK(NULL, "pll1", &pll1_clk),
 	CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 7eb34e9..893baf4 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -311,7 +311,7 @@ static struct clk vpif1_clk = {
 	.flags = ALWAYS_ENABLED,
 };
 
-struct davinci_clk dm646x_clks[] = {
+struct clk_lookup dm646x_clks[] = {
 	CLK(NULL, "ref", &ref_clk),
 	CLK(NULL, "aux", &aux_clkin),
 	CLK(NULL, "pll1", &pll1_clk),
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 6ca2c9a..50a955f 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -43,7 +43,7 @@ struct davinci_soc_info {
 	void __iomem			*jtag_id_base;
 	struct davinci_id		*ids;
 	unsigned long			ids_num;
-	struct davinci_clk		*cpu_clks;
+	struct clk_lookup		*cpu_clks;
 	void __iomem			**psc_bases;
 	unsigned long			psc_bases_num;
 	void __iomem			*pinmux_base;
-- 
cgit v1.1


From c564191b1c71d82977ba14ed7f975dae9f6d0001 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 11 Jan 2010 08:22:23 -0800
Subject: davinci: dm646x: CDCE clocks: davinci_clk converted to clk_lookup

Remove unneeded 'struct davinci_clk' wrapper around 'struct
clk_lookup' and use clk_lookup directly.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-dm646x-evm.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 815067b..5ba3cb2 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -694,19 +694,19 @@ static struct clk cdce_clk_in = {
 	.rate	= CDCE949_XIN_RATE,
 };
 
-static struct davinci_clk cdce_clks[] = {
+static struct clk_lookup cdce_clks[] = {
 	CLK(NULL, "xin", &cdce_clk_in),
 	CLK(NULL, NULL, NULL),
 };
 
 static void __init cdce_clk_init(void)
 {
-	struct davinci_clk *c;
+	struct clk_lookup *c;
 	struct clk *clk;
 
-	for (c = cdce_clks; c->lk.clk; c++) {
-		clk = c->lk.clk;
-		clkdev_add(&c->lk);
+	for (c = cdce_clks; c->clk; c++) {
+		clk = c->clk;
+		clkdev_add(c);
 		clk_register(clk);
 	}
 }
-- 
cgit v1.1


From 8e2a0013c2bafd623d27b35364cbf28d4a0dbe55 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 1 Feb 2010 09:51:02 -0500
Subject: DaVinci: SPI: Adding header file for SPI support.

This patch adds "spi.h" header file that will be used by board and
architecture specific code.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/include/mach/spi.h | 44 ++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 arch/arm/mach-davinci/include/mach/spi.h

diff --git a/arch/arm/mach-davinci/include/mach/spi.h b/arch/arm/mach-davinci/include/mach/spi.h
new file mode 100644
index 0000000..910efbf
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/spi.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2009 Texas Instruments.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ARCH_ARM_DAVINCI_SPI_H
+#define __ARCH_ARM_DAVINCI_SPI_H
+
+enum {
+	SPI_VERSION_1, /* For DM355/DM365/DM6467 */
+	SPI_VERSION_2, /* For DA8xx */
+};
+
+struct davinci_spi_platform_data {
+	u8	version;
+	u8	num_chipselect;
+	u8	wdelay;
+	u8	odd_parity;
+	u8	parity_enable;
+	u8	wait_enable;
+	u8	timer_disable;
+	u8	clk_internal;
+	u8	cs_hold;
+	u8	intr_level;
+	u8	poll_mode;
+	u8	use_dma;
+	u8	c2tdelay;
+	u8	t2cdelay;
+};
+
+#endif	/* __ARCH_ARM_DAVINCI_SPI_H */
-- 
cgit v1.1


From 15e865859a9e65a3f39e95bcb7ee72d0645b9a0e Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 1 Feb 2010 09:51:15 -0500
Subject: DaVinci DM355: Modifications to DM355 SPI support

This patch does the following

1) Minor change to the SPI clocks making it
similar to DM365.
2) Changing the interrupt used by SPI0
3) Adding EDMA resources that can be used by SPI0
4) Adding platform specific data.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dm355.c | 39 ++++++++++++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 2cdd874..36e7213 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -29,6 +29,7 @@
 #include <mach/serial.h>
 #include <mach/common.h>
 #include <mach/asp.h>
+#include <mach/spi.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -363,9 +364,9 @@ static struct clk_lookup dm355_clks[] = {
 	CLK("davinci-asp.1", NULL, &asp1_clk),
 	CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
 	CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
-	CLK(NULL, "spi0", &spi0_clk),
-	CLK(NULL, "spi1", &spi1_clk),
-	CLK(NULL, "spi2", &spi2_clk),
+	CLK("spi_davinci.0", NULL, &spi0_clk),
+	CLK("spi_davinci.1", NULL, &spi1_clk),
+	CLK("spi_davinci.2", NULL, &spi2_clk),
 	CLK(NULL, "gpio", &gpio_clk),
 	CLK(NULL, "aemif", &aemif_clk),
 	CLK(NULL, "pwm0", &pwm0_clk),
@@ -392,24 +393,40 @@ static struct resource dm355_spi0_resources[] = {
 		.flags = IORESOURCE_MEM,
 	},
 	{
-		.start = IRQ_DM355_SPINT0_1,
+		.start = IRQ_DM355_SPINT0_0,
 		.flags = IORESOURCE_IRQ,
 	},
-	/* Not yet used, so not included:
-	 * IORESOURCE_IRQ:
-	 *  - IRQ_DM355_SPINT0_0
-	 * IORESOURCE_DMA:
-	 *  - DAVINCI_DMA_SPI_SPIX
-	 *  - DAVINCI_DMA_SPI_SPIR
-	 */
+	{
+		.start = 17,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = 16,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = EVENTQ_1,
+		.flags = IORESOURCE_DMA,
+	},
 };
 
+static struct davinci_spi_platform_data dm355_spi0_pdata = {
+	.version 	= SPI_VERSION_1,
+	.num_chipselect = 2,
+	.clk_internal	= 1,
+	.cs_hold	= 1,
+	.intr_level	= 0,
+	.poll_mode	= 1,	/* 0 -> interrupt mode 1-> polling mode */
+	.c2tdelay	= 0,
+	.t2cdelay	= 0,
+};
 static struct platform_device dm355_spi0_device = {
 	.name = "spi_davinci",
 	.id = 0,
 	.dev = {
 		.dma_mask = &dm355_spi0_dma_mask,
 		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &dm355_spi0_pdata,
 	},
 	.num_resources = ARRAY_SIZE(dm355_spi0_resources),
 	.resource = dm355_spi0_resources,
-- 
cgit v1.1


From a3e13e89d6658042fdfd50a7bf7564e81e6ce689 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 1 Feb 2010 09:51:31 -0500
Subject: DaVinci DM365: Adding DM365 SPI support

This patch adds SPI init for DM365.
It does the following
1) Initializes SPI0
2) Defines resources to be used by SPI0
3) Adds platform data for SPI0

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/dm365.c              | 70 ++++++++++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/dm365.h |  2 +
 2 files changed, 72 insertions(+)

diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index e88f262..27772e1 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/gpio.h>
+#include <linux/spi/spi.h>
 
 #include <asm/mach/map.h>
 
@@ -32,6 +33,8 @@
 #include <mach/common.h>
 #include <mach/asp.h>
 #include <mach/keyscan.h>
+#include <mach/spi.h>
+
 
 #include "clock.h"
 #include "mux.h"
@@ -611,6 +614,73 @@ EVT_CFG(DM365,	EVT3_VC_RX,          1,     1,    1,     false)
 #endif
 };
 
+static u64 dm365_spi0_dma_mask = DMA_BIT_MASK(32);
+
+static struct davinci_spi_platform_data dm365_spi0_pdata = {
+	.version 	= SPI_VERSION_1,
+	.num_chipselect = 2,
+	.clk_internal	= 1,
+	.cs_hold	= 1,
+	.intr_level	= 0,
+	.poll_mode	= 1,	/* 0 -> interrupt mode 1-> polling mode */
+	.c2tdelay	= 0,
+	.t2cdelay	= 0,
+};
+
+static struct resource dm365_spi0_resources[] = {
+	{
+		.start = 0x01c66000,
+		.end   = 0x01c667ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_DM365_SPIINT0_0,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = 17,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = 16,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = EVENTQ_3,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device dm365_spi0_device = {
+	.name = "spi_davinci",
+	.id = 0,
+	.dev = {
+		.dma_mask = &dm365_spi0_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.platform_data = &dm365_spi0_pdata,
+	},
+	.num_resources = ARRAY_SIZE(dm365_spi0_resources),
+	.resource = dm365_spi0_resources,
+};
+
+void __init dm365_init_spi0(unsigned chipselect_mask,
+		struct spi_board_info *info, unsigned len)
+{
+	davinci_cfg_reg(DM365_SPI0_SCLK);
+	davinci_cfg_reg(DM365_SPI0_SDI);
+	davinci_cfg_reg(DM365_SPI0_SDO);
+
+	/* not all slaves will be wired up */
+	if (chipselect_mask & BIT(0))
+		davinci_cfg_reg(DM365_SPI0_SDENA0);
+	if (chipselect_mask & BIT(1))
+		davinci_cfg_reg(DM365_SPI0_SDENA1);
+
+	spi_register_board_info(info, len);
+
+	platform_device_register(&dm365_spi0_device);
+}
+
 static struct emac_platform_data dm365_emac_pdata = {
 	.ctrl_reg_offset	= DM365_EMAC_CNTRL_OFFSET,
 	.ctrl_mod_reg_offset	= DM365_EMAC_CNTRL_MOD_OFFSET,
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index fdf6f85..3a37b5a 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -41,6 +41,8 @@ void __init dm365_init_asp(struct snd_platform_data *pdata);
 void __init dm365_init_vc(struct snd_platform_data *pdata);
 void __init dm365_init_ks(struct davinci_ks_platform_data *pdata);
 void __init dm365_init_rtc(void);
+void dm365_init_spi0(unsigned chipselect_mask,
+			struct spi_board_info *info, unsigned len);
 
 void dm365_set_vpfe_config(struct vpfe_config *cfg);
 #endif /* __ASM_ARCH_DM365_H */
-- 
cgit v1.1


From 5f19daa16ffca55db5b0253eba2bd0f71ee7f7f4 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 1 Feb 2010 09:51:45 -0500
Subject: DaVinci DM365: Adding support for SPI EEPROM

The DM365 Spectrum Digital EVM comes with an EEPROM
connected to SPI0.
This patch adds support for the SPI EEPROM.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/board-dm365-evm.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 38e9033..d15bece 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -24,6 +24,8 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -571,6 +573,24 @@ static void __init dm365_evm_map_io(void)
 	dm365_init();
 }
 
+static struct spi_eeprom at25640 = {
+	.byte_len	= SZ_64K / 8,
+	.name		= "at25640",
+	.page_size	= 32,
+	.flags		= EE_ADDR2,
+};
+
+static struct spi_board_info dm365_evm_spi_info[] __initconst = {
+	{
+		.modalias	= "at25",
+		.platform_data	= &at25640,
+		.max_speed_hz	= 10 * 1000 * 1000,
+		.bus_num	= 0,
+		.chip_select	= 0,
+		.mode		= SPI_MODE_0,
+	},
+};
+
 static __init void dm365_evm_init(void)
 {
 	evm_init_i2c();
@@ -587,6 +607,9 @@ static __init void dm365_evm_init(void)
 	dm365_init_asp(&dm365_evm_snd_data);
 	dm365_init_rtc();
 	dm365_init_ks(&dm365evm_ks_data);
+
+	dm365_init_spi0(BIT(0), dm365_evm_spi_info,
+			ARRAY_SIZE(dm365_evm_spi_info));
 }
 
 static __init void dm365_evm_irq_init(void)
-- 
cgit v1.1