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-rw-r--r--arch/arm/mach-omap1/Kconfig8
-rw-r--r--arch/arm/mach-omap1/Makefile3
-rw-r--r--arch/arm/mach-omap1/board-generic.c38
-rw-r--r--arch/arm/mach-omap1/board-h2.c27
-rw-r--r--arch/arm/mach-omap1/board-h3.c17
-rw-r--r--arch/arm/mach-omap1/board-innovator.c13
-rw-r--r--arch/arm/mach-omap1/board-netstar.c9
-rw-r--r--arch/arm/mach-omap1/board-osk.c124
-rw-r--r--arch/arm/mach-omap1/board-perseus2.c5
-rw-r--r--arch/arm/mach-omap1/board-voiceblue.c62
-rw-r--r--arch/arm/mach-omap1/devices.c351
-rw-r--r--arch/arm/mach-omap1/fpga.c4
-rw-r--r--arch/arm/mach-omap1/io.c30
-rw-r--r--arch/arm/mach-omap1/irq.c2
-rw-r--r--arch/arm/mach-omap1/leds-h2p2-debug.c3
-rw-r--r--arch/arm/mach-omap1/leds-innovator.c2
-rw-r--r--arch/arm/mach-omap1/leds-osk.c8
-rw-r--r--arch/arm/mach-omap1/leds.c12
-rw-r--r--arch/arm/mach-omap1/serial.c84
-rw-r--r--arch/arm/mach-omap1/time.c40
20 files changed, 743 insertions, 99 deletions
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 7408ac9..27fc2e8 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -47,6 +47,14 @@ config MACH_OMAP_OSK
TI OMAP 5912 OSK (OMAP Starter Kit) board support. Say Y here
if you have such a board.
+config OMAP_OSK_MISTRAL
+ bool "Mistral QVGA board Support"
+ depends on MACH_OMAP_OSK
+ help
+ The OSK supports an optional add-on board with a Quarter-VGA
+ touchscreen, PDA-ish buttons, a resume button, bicolor LED,
+ and camera connector. Say Y here if you have this board.
+
config MACH_OMAP_PERSEUS2
bool "TI Perseus2"
depends on ARCH_OMAP1 && ARCH_OMAP730
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index d386fd9..181a93d 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,7 +3,7 @@
#
# Common support
-obj-y := io.o id.o irq.o time.o serial.o
+obj-y := io.o id.o irq.o time.o serial.o devices.o
led-y := leds.o
# Specific board support
@@ -23,6 +23,7 @@ endif
# LEDs support
led-$(CONFIG_MACH_OMAP_H2) += leds-h2p2-debug.o
+led-$(CONFIG_MACH_OMAP_H3) += leds-h2p2-debug.o
led-$(CONFIG_MACH_OMAP_INNOVATOR) += leds-innovator.o
led-$(CONFIG_MACH_OMAP_PERSEUS2) += leds-h2p2-debug.o
led-$(CONFIG_MACH_OMAP_OSK) += leds-osk.o
diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c
index 122796e..c209c71 100644
--- a/arch/arm/mach-omap1/board-generic.c
+++ b/arch/arm/mach-omap1/board-generic.c
@@ -48,19 +48,43 @@ static struct omap_usb_config generic1510_usb_config __initdata = {
#if defined(CONFIG_ARCH_OMAP16XX)
static struct omap_usb_config generic1610_usb_config __initdata = {
+#ifdef CONFIG_USB_OTG
+ .otg = 1,
+#endif
.register_host = 1,
.register_dev = 1,
.hmc_mode = 16,
.pins[0] = 6,
};
+
+static struct omap_mmc_config generic_mmc_config __initdata = {
+ .mmc [0] = {
+ .enabled = 0,
+ .wire4 = 0,
+ .wp_pin = -1,
+ .power_pin = -1,
+ .switch_pin = -1,
+ },
+ .mmc [1] = {
+ .enabled = 0,
+ .wire4 = 0,
+ .wp_pin = -1,
+ .power_pin = -1,
+ .switch_pin = -1,
+ },
+};
+
#endif
static struct omap_board_config_kernel generic_config[] = {
{ OMAP_TAG_USB, NULL },
+ { OMAP_TAG_MMC, &generic_mmc_config },
};
static void __init omap_generic_init(void)
{
+ const struct omap_uart_config *uart_conf;
+
/*
* Make sure the serial ports are muxed on at this point.
* You have to mux them off in device drivers later on
@@ -76,6 +100,18 @@ static void __init omap_generic_init(void)
generic_config[0].data = &generic1610_usb_config;
}
#endif
+
+ uart_conf = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
+ if (uart_conf != NULL) {
+ unsigned int enabled_ports, i;
+
+ enabled_ports = uart_conf->enabled_uarts;
+ for (i = 0; i < 3; i++) {
+ if (!(enabled_ports & (1 << i)))
+ generic_serial_ports[i] = 0;
+ }
+ }
+
omap_board_config = generic_config;
omap_board_config_size = ARRAY_SIZE(generic_config);
omap_serial_init(generic_serial_ports);
@@ -83,7 +119,7 @@ static void __init omap_generic_init(void)
static void __init omap_generic_map_io(void)
{
- omap_map_common_io()
+ omap_map_common_io();
}
MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index f4983ee..d46a7006 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -33,6 +33,7 @@
#include <asm/mach/map.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/usb.h>
#include <asm/arch/common.h>
@@ -80,8 +81,7 @@ static struct flash_platform_data h2_flash_data = {
};
static struct resource h2_flash_resource = {
- .start = OMAP_CS2B_PHYS,
- .end = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
+ /* This is on CS3, wherever it's mapped */
.flags = IORESOURCE_MEM,
};
@@ -126,10 +126,9 @@ static void __init h2_init_smc91x(void)
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
- omap_set_gpio_edge_ctrl(0, OMAP_GPIO_FALLING_EDGE);
}
-void h2_init_irq(void)
+static void __init h2_init_irq(void)
{
omap_init_irq();
omap_gpio_init();
@@ -152,9 +151,13 @@ static struct omap_usb_config h2_usb_config __initdata = {
};
static struct omap_mmc_config h2_mmc_config __initdata = {
- .mmc_blocks = 1,
- .mmc1_power_pin = -1, /* tps65010 gpio3 */
- .mmc1_switch_pin = OMAP_MPUIO(1),
+ .mmc [0] = {
+ .enabled = 1,
+ .wire4 = 1,
+ .wp_pin = OMAP_MPUIO(3),
+ .power_pin = -1, /* tps65010 gpio3 */
+ .switch_pin = OMAP_MPUIO(1),
+ },
};
static struct omap_board_config_kernel h2_config[] = {
@@ -164,6 +167,16 @@ static struct omap_board_config_kernel h2_config[] = {
static void __init h2_init(void)
{
+ /* NOTE: revC boards support NAND-boot, which can put NOR on CS2B
+ * and NAND (either 16bit or 8bit) on CS3.
+ */
+ h2_flash_resource.end = h2_flash_resource.start = omap_cs3_phys();
+ h2_flash_resource.end += SZ_32M - 1;
+
+ /* MMC: card detect and WP */
+ // omap_cfg_reg(U19_ARMIO1); /* CD */
+ omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
+
platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
omap_board_config = h2_config;
omap_board_config_size = ARRAY_SIZE(h2_config);
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index 7cd419d..2798613 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -82,8 +82,7 @@ static struct flash_platform_data h3_flash_data = {
};
static struct resource h3_flash_resource = {
- .start = OMAP_CS2B_PHYS,
- .end = OMAP_CS2B_PHYS + OMAP_CS2B_SIZE - 1,
+ /* This is on CS3, wherever it's mapped */
.flags = IORESOURCE_MEM,
};
@@ -161,13 +160,26 @@ static struct omap_usb_config h3_usb_config __initdata = {
.pins[1] = 3,
};
+static struct omap_mmc_config h3_mmc_config __initdata = {
+ .mmc[0] = {
+ .enabled = 1,
+ .power_pin = -1, /* tps65010 GPIO4 */
+ .switch_pin = OMAP_MPUIO(1),
+ },
+};
+
static struct omap_board_config_kernel h3_config[] = {
{ OMAP_TAG_USB, &h3_usb_config },
+ { OMAP_TAG_MMC, &h3_mmc_config },
};
static void __init h3_init(void)
{
+ h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
+ h3_flash_resource.end += OMAP_CS3_SIZE - 1;
(void) platform_add_devices(devices, ARRAY_SIZE(devices));
+ omap_board_config = h3_config;
+ omap_board_config_size = ARRAY_SIZE(h3_config);
}
static void __init h3_init_smc91x(void)
@@ -177,7 +189,6 @@ static void __init h3_init_smc91x(void)
printk("Error requesting gpio 40 for smc91x irq\n");
return;
}
- omap_set_gpio_edge_ctrl(40, OMAP_GPIO_FALLING_EDGE);
}
void h3_init_irq(void)
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 91de60a..df0312b 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -29,6 +29,7 @@
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
+#include <asm/arch/mux.h>
#include <asm/arch/fpga.h>
#include <asm/arch/gpio.h>
#include <asm/arch/tc.h>
@@ -173,7 +174,6 @@ static void __init innovator_init_smc91x(void)
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
- omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
}
}
@@ -220,8 +220,19 @@ static struct omap_usb_config h2_usb_config __initdata = {
};
#endif
+static struct omap_mmc_config innovator_mmc_config __initdata = {
+ .mmc [0] = {
+ .enabled = 1,
+ .wire4 = 1,
+ .wp_pin = OMAP_MPUIO(3),
+ .power_pin = -1, /* FPGA F3 UIO42 */
+ .switch_pin = -1, /* FPGA F4 UIO43 */
+ },
+};
+
static struct omap_board_config_kernel innovator_config[] = {
{ OMAP_TAG_USB, NULL },
+ { OMAP_TAG_MMC, &innovator_mmc_config },
};
static void __init innovator_init(void)
diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c
index 6750b20..d904e64 100644
--- a/arch/arm/mach-omap1/board-netstar.c
+++ b/arch/arm/mach-omap1/board-netstar.c
@@ -75,16 +75,15 @@ static void __init netstar_init(void)
mdelay(50); /* 50ms until PHY ready */
/* smc91x interrupt pin */
omap_request_gpio(8);
- omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
omap_request_gpio(12);
omap_request_gpio(13);
omap_request_gpio(14);
omap_request_gpio(15);
- omap_set_gpio_edge_ctrl(12, OMAP_GPIO_FALLING_EDGE);
- omap_set_gpio_edge_ctrl(13, OMAP_GPIO_FALLING_EDGE);
- omap_set_gpio_edge_ctrl(14, OMAP_GPIO_FALLING_EDGE);
- omap_set_gpio_edge_ctrl(15, OMAP_GPIO_FALLING_EDGE);
+ set_irq_type(OMAP_GPIO_IRQ(12), IRQT_FALLING);
+ set_irq_type(OMAP_GPIO_IRQ(13), IRQT_FALLING);
+ set_irq_type(OMAP_GPIO_IRQ(14), IRQT_FALLING);
+ set_irq_type(OMAP_GPIO_IRQ(15), IRQT_FALLING);
platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 6844e53..21103df 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -29,11 +29,16 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/interrupt.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
#include <asm/arch/gpio.h>
#include <asm/arch/usb.h>
@@ -41,12 +46,56 @@
#include <asm/arch/tc.h>
#include <asm/arch/common.h>
-static struct map_desc osk5912_io_desc[] __initdata = {
-{ OMAP_OSK_NOR_FLASH_BASE, OMAP_OSK_NOR_FLASH_START, OMAP_OSK_NOR_FLASH_SIZE,
- MT_DEVICE },
+static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
+
+static struct mtd_partition osk_partitions[] = {
+ /* bootloader (U-Boot, etc) in first sector */
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ /* bootloader params in the next sector */
+ {
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = 0,
+ }, {
+ .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
+ }
};
-static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
+static struct flash_platform_data osk_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+ .parts = osk_partitions,
+ .nr_parts = ARRAY_SIZE(osk_partitions),
+};
+
+static struct resource osk_flash_resource = {
+ /* this is on CS3, wherever it's mapped */
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device osk5912_flash_device = {
+ .name = "omapflash",
+ .id = 0,
+ .dev = {
+ .platform_data = &osk_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &osk_flash_resource,
+};
static struct resource osk5912_smc91x_resources[] = {
[0] = {
@@ -86,9 +135,16 @@ static struct platform_device osk5912_cf_device = {
.resource = osk5912_cf_resources,
};
+static struct platform_device osk5912_mcbsp1_device = {
+ .name = "omap_mcbsp",
+ .id = 1,
+};
+
static struct platform_device *osk5912_devices[] __initdata = {
+ &osk5912_flash_device,
&osk5912_smc91x_device,
&osk5912_cf_device,
+ &osk5912_mcbsp1_device,
};
static void __init osk_init_smc91x(void)
@@ -97,7 +153,6 @@ static void __init osk_init_smc91x(void)
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
- omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
EMIFS_CCS(1) |= 0x2;
@@ -110,11 +165,11 @@ static void __init osk_init_cf(void)
printk("Error requesting gpio 62 for CF irq\n");
return;
}
- /* it's really active-low */
- omap_set_gpio_edge_ctrl(62, OMAP_GPIO_FALLING_EDGE);
+ /* the CF I/O IRQ is really active-low */
+ set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}
-void osk_init_irq(void)
+static void __init osk_init_irq(void)
{
omap_init_irq();
omap_gpio_init();
@@ -142,18 +197,69 @@ static struct omap_board_config_kernel osk_config[] = {
{ OMAP_TAG_USB, &osk_usb_config },
};
+#ifdef CONFIG_OMAP_OSK_MISTRAL
+
+#ifdef CONFIG_PM
+static irqreturn_t
+osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
+{
+ return IRQ_HANDLED;
+}
+#endif
+
+static void __init osk_mistral_init(void)
+{
+ /* FIXME here's where to feed in framebuffer, touchpad, and
+ * keyboard setup ... not in the drivers for those devices!
+ *
+ * NOTE: we could actually tell if there's a Mistral board
+ * attached, e.g. by trying to read something from the ads7846.
+ * But this is too early for that...
+ */
+
+ /* the sideways button (SW1) is for use as a "wakeup" button */
+ omap_cfg_reg(N15_1610_MPUIO2);
+ if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
+ int ret = 0;
+ omap_set_gpio_direction(OMAP_MPUIO(2), 1);
+ set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
+#ifdef CONFIG_PM
+ /* share the IRQ in case someone wants to use the
+ * button for more than wakeup from system sleep.
+ */
+ ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
+ &osk_mistral_wake_interrupt,
+ SA_SHIRQ, "mistral_wakeup",
+ &osk_mistral_wake_interrupt);
+ if (ret != 0) {
+ omap_free_gpio(OMAP_MPUIO(2));
+ printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
+ ret);
+ } else
+ enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
+#endif
+ } else
+ printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
+}
+#else
+static void __init osk_mistral_init(void) { }
+#endif
+
static void __init osk_init(void)
{
+ osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
+ osk_flash_resource.end += SZ_32M - 1;
platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
omap_board_config = osk_config;
omap_board_config_size = ARRAY_SIZE(osk_config);
USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
+
+ osk_mistral_init();
}
static void __init osk_map_io(void)
{
omap_map_common_io();
- iotable_init(osk5912_io_desc, ARRAY_SIZE(osk5912_io_desc));
omap_serial_init(osk_serial_ports);
}
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 2133173..107c68c 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -24,6 +24,7 @@
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
+#include <asm/arch/tc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/fpga.h>
@@ -83,8 +84,8 @@ static struct flash_platform_data p2_flash_data = {
};
static struct resource p2_flash_resource = {
- .start = OMAP_FLASH_0_START,
- .end = OMAP_FLASH_0_START + OMAP_FLASH_0_SIZE - 1,
+ .start = OMAP_CS0_PHYS,
+ .end = OMAP_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index e4228198..209d79e 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -25,13 +25,14 @@
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
#include <asm/mach/map.h>
+#include <asm/arch/common.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/tc.h>
#include <asm/arch/mux.h>
+#include <asm/arch/tc.h>
#include <asm/arch/usb.h>
-#include <asm/arch/common.h>
extern void omap_init_time(void);
extern int omap_gpio_init(void);
@@ -86,6 +87,27 @@ static int __init ext_uart_init(void)
}
arch_initcall(ext_uart_init);
+static struct flash_platform_data voiceblue_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource voiceblue_flash_resource = {
+ .start = OMAP_CS0_PHYS,
+ .end = OMAP_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device voiceblue_flash_device = {
+ .name = "omapflash",
+ .id = 0,
+ .dev = {
+ .platform_data = &voiceblue_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &voiceblue_flash_resource,
+};
+
static struct resource voiceblue_smc91x_resources[] = {
[0] = {
.start = OMAP_CS2_PHYS + 0x300,
@@ -107,6 +129,7 @@ static struct platform_device voiceblue_smc91x_device = {
};
static struct platform_device *voiceblue_devices[] __initdata = {
+ &voiceblue_flash_device,
&voiceblue_smc91x_device,
};
@@ -119,8 +142,17 @@ static struct omap_usb_config voiceblue_usb_config __initdata = {
.pins[2] = 6,
};
+static struct omap_mmc_config voiceblue_mmc_config __initdata = {
+ .mmc[0] = {
+ .enabled = 1,
+ .power_pin = 2,
+ .switch_pin = -1,
+ },
+};
+
static struct omap_board_config_kernel voiceblue_config[] = {
{ OMAP_TAG_USB, &voiceblue_usb_config },
+ { OMAP_TAG_MMC, &voiceblue_mmc_config },
};
static void __init voiceblue_init_irq(void)
@@ -131,9 +163,6 @@ static void __init voiceblue_init_irq(void)
static void __init voiceblue_init(void)
{
- /* There is a good chance board is going up, so enable Power LED
- * (it is connected through invertor) */
- omap_writeb(0x00, OMAP_LPG1_LCR);
/* Watchdog */
omap_request_gpio(0);
/* smc91x reset */
@@ -145,7 +174,6 @@ static void __init voiceblue_init(void)
mdelay(50); /* 50ms until PHY ready */
/* smc91x interrupt pin */
omap_request_gpio(8);
- omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
/* 16C554 reset*/
omap_request_gpio(6);
omap_set_gpio_direction(6, 0);
@@ -155,14 +183,19 @@ static void __init voiceblue_init(void)
omap_request_gpio(13);
omap_request_gpio(14);
omap_request_gpio(15);
- omap_set_gpio_edge_ctrl(12, OMAP_GPIO_RISING_EDGE);
- omap_set_gpio_edge_ctrl(13, OMAP_GPIO_RISING_EDGE);
- omap_set_gpio_edge_ctrl(14, OMAP_GPIO_RISING_EDGE);
- omap_set_gpio_edge_ctrl(15, OMAP_GPIO_RISING_EDGE);
+ set_irq_type(OMAP_GPIO_IRQ(12), IRQT_RISING);
+ set_irq_type(OMAP_GPIO_IRQ(13), IRQT_RISING);
+ set_irq_type(OMAP_GPIO_IRQ(14), IRQT_RISING);
+ set_irq_type(OMAP_GPIO_IRQ(15), IRQT_RISING);
platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
omap_board_config = voiceblue_config;
omap_board_config_size = ARRAY_SIZE(voiceblue_config);
+
+ /* There is a good chance board is going up, so enable power LED
+ * (it is connected through invertor) */
+ omap_writeb(0x00, OMAP_LPG1_LCR);
+ omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
}
static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
@@ -184,9 +217,9 @@ static int panic_event(struct notifier_block *this, unsigned long event,
if (test_and_set_bit(MACHINE_PANICED, &machine_state))
return NOTIFY_DONE;
- /* Flash Power LED
- * (TODO: Enable clock right way (enabled in bootloader already)) */
+ /* Flash power LED */
omap_writeb(0x78, OMAP_LPG1_LCR);
+ omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
return NOTIFY_DONE;
}
@@ -195,15 +228,14 @@ static struct notifier_block panic_block = {
.notifier_call = panic_event,
};
-static int __init setup_notifier(void)
+static int __init voiceblue_setup(void)
{
/* Setup panic notifier */
notifier_chain_register(&panic_notifier_list, &panic_block);
return 0;
}
-
-postcore_initcall(setup_notifier);
+postcore_initcall(voiceblue_setup);
static int wdt_gpio_state;
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
new file mode 100644
index 0000000..e8b3981
--- /dev/null
+++ b/arch/arm/mach-omap1/devices.c
@@ -0,0 +1,351 @@
+/*
+ * linux/arch/arm/mach-omap1/devices.c
+ *
+ * OMAP1 platform device setup/initialization
+ *
+ * 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.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
+
+
+static void omap_nop_release(struct device *dev)
+{
+ /* Nothing */
+}
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+
+#define OMAP_I2C_BASE 0xfffb3800
+
+static struct resource i2c_resources[] = {
+ {
+ .start = OMAP_I2C_BASE,
+ .end = OMAP_I2C_BASE + 0x3f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_I2C,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+/* DMA not used; works around erratum writing to non-empty i2c fifo */
+
+static struct platform_device omap_i2c_device = {
+ .name = "i2c_omap",
+ .id = -1,
+ .dev = {
+ .release = omap_nop_release,
+ },
+ .num_resources = ARRAY_SIZE(i2c_resources),
+ .resource = i2c_resources,
+};
+
+static void omap_init_i2c(void)
+{
+ /* FIXME define and use a boot tag, in case of boards that
+ * either don't wire up I2C, or chips that mux it differently...
+ * it can include clocking and address info, maybe more.
+ */
+ omap_cfg_reg(I2C_SCL);
+ omap_cfg_reg(I2C_SDA);
+
+ (void) platform_device_register(&omap_i2c_device);
+}
+#else
+static inline void omap_init_i2c(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_OMAP1610_IR) || defined(CONFIG_OMAP161O_IR_MODULE)
+
+static u64 irda_dmamask = 0xffffffff;
+
+static struct platform_device omap1610ir_device = {
+ .name = "omap1610-ir",
+ .id = -1,
+ .dev = {
+ .release = omap_nop_release,
+ .dma_mask = &irda_dmamask,
+ },
+};
+
+static void omap_init_irda(void)
+{
+ /* FIXME define and use a boot tag, members something like:
+ * u8 uart; // uart1, or uart3
+ * ... but driver only handles uart3 for now
+ * s16 fir_sel; // gpio for SIR vs FIR
+ * ... may prefer a callback for SIR/MIR/FIR mode select;
+ * while h2 uses a GPIO, H3 uses a gpio expander
+ */
+ if (machine_is_omap_h2()
+ || machine_is_omap_h3())
+ (void) platform_device_register(&omap1610ir_device);
+}
+#else
+static inline void omap_init_irda(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+#define OMAP_MMC1_BASE 0xfffb7800
+#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
+
+static struct omap_mmc_conf mmc1_conf;
+
+static u64 mmc1_dmamask = 0xffffffff;
+
+static struct resource mmc1_resources[] = {
+ {
+ .start = IO_ADDRESS(OMAP_MMC1_BASE),
+ .end = IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_MMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mmc_omap_device1 = {
+ .name = "mmci-omap",
+ .id = 1,
+ .dev = {
+ .release = omap_nop_release,
+ .dma_mask = &mmc1_dmamask,
+ .platform_data = &mmc1_conf,
+ },
+ .num_resources = ARRAY_SIZE(mmc1_resources),
+ .resource = mmc1_resources,
+};
+
+#ifdef CONFIG_ARCH_OMAP16XX
+
+static struct omap_mmc_conf mmc2_conf;
+
+static u64 mmc2_dmamask = 0xffffffff;
+
+static struct resource mmc2_resources[] = {
+ {
+ .start = IO_ADDRESS(OMAP_MMC2_BASE),
+ .end = IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_1610_MMC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mmc_omap_device2 = {
+ .name = "mmci-omap",
+ .id = 2,
+ .dev = {
+ .release = omap_nop_release,
+ .dma_mask = &mmc2_dmamask,
+ .platform_data = &mmc2_conf,
+ },
+ .num_resources = ARRAY_SIZE(mmc2_resources),
+ .resource = mmc2_resources,
+};
+#endif
+
+static void __init omap_init_mmc(void)
+{
+ const struct omap_mmc_config *mmc_conf;
+ const struct omap_mmc_conf *mmc;
+
+ /* NOTE: assumes MMC was never (wrongly) enabled */
+ mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
+ if (!mmc_conf)
+ return;
+
+ /* block 1 is always available and has just one pinout option */
+ mmc = &mmc_conf->mmc[0];
+ if (mmc->enabled) {
+ omap_cfg_reg(MMC_CMD);
+ omap_cfg_reg(MMC_CLK);
+ omap_cfg_reg(MMC_DAT0);
+ if (cpu_is_omap1710()) {
+ omap_cfg_reg(M15_1710_MMC_CLKI);
+ omap_cfg_reg(P19_1710_MMC_CMDDIR);
+ omap_cfg_reg(P20_1710_MMC_DATDIR0);
+ }
+ if (mmc->wire4) {
+ omap_cfg_reg(MMC_DAT1);
+ /* NOTE: DAT2 can be on W10 (here) or M15 */
+ if (!mmc->nomux)
+ omap_cfg_reg(MMC_DAT2);
+ omap_cfg_reg(MMC_DAT3);
+ }
+ mmc1_conf = *mmc;
+ (void) platform_device_register(&mmc_omap_device1);
+ }
+
+#ifdef CONFIG_ARCH_OMAP16XX
+ /* block 2 is on newer chips, and has many pinout options */
+ mmc = &mmc_conf->mmc[1];
+ if (mmc->enabled) {
+ if (!mmc->nomux) {
+ omap_cfg_reg(Y8_1610_MMC2_CMD);
+ omap_cfg_reg(Y10_1610_MMC2_CLK);
+ omap_cfg_reg(R18_1610_MMC2_CLKIN);
+ omap_cfg_reg(W8_1610_MMC2_DAT0);
+ if (mmc->wire4) {
+ omap_cfg_reg(V8_1610_MMC2_DAT1);
+ omap_cfg_reg(W15_1610_MMC2_DAT2);
+ omap_cfg_reg(R10_1610_MMC2_DAT3);
+ }
+
+ /* These are needed for the level shifter */
+ omap_cfg_reg(V9_1610_MMC2_CMDDIR);
+ omap_cfg_reg(V5_1610_MMC2_DATDIR0);
+ omap_cfg_reg(W19_1610_MMC2_DATDIR1);
+ }
+
+ /* Feedback clock must be set on OMAP-1710 MMC2 */
+ if (cpu_is_omap1710())
+ omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
+ MOD_CONF_CTRL_1);
+ mmc2_conf = *mmc;
+ (void) platform_device_register(&mmc_omap_device2);
+ }
+#endif
+ return;
+}
+#else
+static inline void omap_init_mmc(void) {}
+#endif
+
+#if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)
+
+#define OMAP_RTC_BASE 0xfffb4800
+
+static struct resource rtc_resources[] = {
+ {
+ .start = OMAP_RTC_BASE,
+ .end = OMAP_RTC_BASE + 0x5f,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_RTC_TIMER,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = INT_RTC_ALARM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device omap_rtc_device = {
+ .name = "omap_rtc",
+ .id = -1,
+ .dev = {
+ .release = omap_nop_release,
+ },
+ .num_resources = ARRAY_SIZE(rtc_resources),
+ .resource = rtc_resources,
+};
+
+static void omap_init_rtc(void)
+{
+ (void) platform_device_register(&omap_rtc_device);
+}
+#else
+static inline void omap_init_rtc(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_OMAP16XX_WATCHDOG) || defined(CONFIG_OMAP16XX_WATCHDOG_MODULE)
+
+#define OMAP_WDT_BASE 0xfffeb000
+
+static struct resource wdt_resources[] = {
+ {
+ .start = OMAP_WDT_BASE,
+ .end = OMAP_WDT_BASE + 0x4f,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device omap_wdt_device = {
+ .name = "omap1610_wdt",
+ .id = -1,
+ .dev = {
+ .release = omap_nop_release,
+ },
+ .num_resources = ARRAY_SIZE(wdt_resources),
+ .resource = wdt_resources,
+};
+
+static void omap_init_wdt(void)
+{
+ (void) platform_device_register(&omap_wdt_device);
+}
+#else
+static inline void omap_init_wdt(void) {}
+#endif
+
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * This gets called after board-specific INIT_MACHINE, and initializes most
+ * on-chip peripherals accessible on this board (except for few like USB):
+ *
+ * (a) Does any "standard config" pin muxing needed. Board-specific
+ * code will have muxed GPIO pins and done "nonstandard" setup;
+ * that code could live in the boot loader.
+ * (b) Populating board-specific platform_data with the data drivers
+ * rely on to handle wiring variations.
+ * (c) Creating platform devices as meaningful on this board and
+ * with this kernel configuration.
+ *
+ * Claiming GPIOs, and setting their direction and initial values, is the
+ * responsibility of the device drivers. So is responding to probe().
+ *
+ * Board-specific knowlege like creating devices or pin setup is to be
+ * kept out of drivers as much as possible. In particular, pin setup
+ * may be handled by the boot loader, and drivers should expect it will
+ * normally have been done by the time they're probed.
+ */
+static int __init omap_init_devices(void)
+{
+ /* please keep these calls, and their implementations above,
+ * in alphabetical order so they're easier to sort through.
+ */
+ omap_init_i2c();
+ omap_init_irda();
+ omap_init_mmc();
+ omap_init_rtc();
+ omap_init_wdt();
+
+ return 0;
+}
+arch_initcall(omap_init_devices);
+
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index c12a783..aca2a12 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/fpga.c
+ * linux/arch/arm/mach-omap1/fpga.c
*
* Interrupt handler for OMAP-1510 Innovator FPGA
*
@@ -181,7 +181,7 @@ void omap1510_fpga_init_irq(void)
*/
omap_request_gpio(13);
omap_set_gpio_direction(13, 1);
- omap_set_gpio_edge_ctrl(13, OMAP_GPIO_RISING_EDGE);
+ set_irq_type(OMAP_GPIO_IRQ(13), IRQT_RISING);
set_irq_chained_handler(OMAP1510_INT_FPGA, innovator_fpga_IRQ_demux);
}
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 207df0f..eb8261d 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -19,6 +19,7 @@
extern int clk_init(void);
extern void omap_check_revision(void);
+extern void omap_sram_init(void);
/*
* The machine specific code may provide the extra mapping besides the
@@ -32,7 +33,6 @@ static struct map_desc omap_io_desc[] __initdata = {
static struct map_desc omap730_io_desc[] __initdata = {
{ OMAP730_DSP_BASE, OMAP730_DSP_START, OMAP730_DSP_SIZE, MT_DEVICE },
{ OMAP730_DSPREG_BASE, OMAP730_DSPREG_START, OMAP730_DSPREG_SIZE, MT_DEVICE },
- { OMAP730_SRAM_BASE, OMAP730_SRAM_START, OMAP730_SRAM_SIZE, MT_DEVICE }
};
#endif
@@ -40,27 +40,13 @@ static struct map_desc omap730_io_desc[] __initdata = {
static struct map_desc omap1510_io_desc[] __initdata = {
{ OMAP1510_DSP_BASE, OMAP1510_DSP_START, OMAP1510_DSP_SIZE, MT_DEVICE },
{ OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_START, OMAP1510_DSPREG_SIZE, MT_DEVICE },
- { OMAP1510_SRAM_BASE, OMAP1510_SRAM_START, OMAP1510_SRAM_SIZE, MT_DEVICE }
};
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
-static struct map_desc omap1610_io_desc[] __initdata = {
+static struct map_desc omap16xx_io_desc[] __initdata = {
{ OMAP16XX_DSP_BASE, OMAP16XX_DSP_START, OMAP16XX_DSP_SIZE, MT_DEVICE },
{ OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE },
- { OMAP16XX_SRAM_BASE, OMAP16XX_SRAM_START, OMAP1610_SRAM_SIZE, MT_DEVICE }
-};
-
-static struct map_desc omap5912_io_desc[] __initdata = {
- { OMAP16XX_DSP_BASE, OMAP16XX_DSP_START, OMAP16XX_DSP_SIZE, MT_DEVICE },
- { OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE },
-/*
- * The OMAP5912 has 250kByte internal SRAM. Because the mapping is baseed on page
- * size (4kByte), it seems that the last 2kByte (=0x800) of the 250kByte are not mapped.
- * Add additional 2kByte (0x800) so that the last page is mapped and the last 2kByte
- * can be used.
- */
- { OMAP16XX_SRAM_BASE, OMAP16XX_SRAM_START, OMAP5912_SRAM_SIZE + 0x800, MT_DEVICE }
};
#endif
@@ -86,14 +72,13 @@ static void __init _omap_map_io(void)
}
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
- if (cpu_is_omap1610() || cpu_is_omap1710()) {
- iotable_init(omap1610_io_desc, ARRAY_SIZE(omap1610_io_desc));
- }
- if (cpu_is_omap5912()) {
- iotable_init(omap5912_io_desc, ARRAY_SIZE(omap5912_io_desc));
+ if (cpu_is_omap16xx()) {
+ iotable_init(omap16xx_io_desc, ARRAY_SIZE(omap16xx_io_desc));
}
#endif
+ omap_sram_init();
+
/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
* on a Posted Write in the TIPB Bridge".
*/
@@ -108,8 +93,9 @@ static void __init _omap_map_io(void)
/*
* This should only get called from board specific init
*/
-void omap_map_common_io(void)
+void __init omap_map_common_io(void)
{
if (!initialized)
_omap_map_io();
}
+
diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c
index afd5d67..192ce60 100644
--- a/arch/arm/mach-omap1/irq.c
+++ b/arch/arm/mach-omap1/irq.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/irq.c
+ * linux/arch/arm/mach-omap1/irq.c
*
* Interrupt handler for all OMAP boards
*
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
index ec0d828..be283cd 100644
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/leds-h2p2-debug.c
+ * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
*
* Copyright 2003 by Texas Instruments Incorporated
*
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/sched.h>
+#include <linux/version.h>
#include <asm/io.h>
#include <asm/hardware.h>
diff --git a/arch/arm/mach-omap1/leds-innovator.c b/arch/arm/mach-omap1/leds-innovator.c
index 8043b7d..c8ffd1d 100644
--- a/arch/arm/mach-omap1/leds-innovator.c
+++ b/arch/arm/mach-omap1/leds-innovator.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/leds-innovator.c
+ * linux/arch/arm/mach-omap1/leds-innovator.c
*/
#include <linux/config.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-omap1/leds-osk.c b/arch/arm/mach-omap1/leds-osk.c
index 4a0e8b9..2c8bda8 100644
--- a/arch/arm/mach-omap1/leds-osk.c
+++ b/arch/arm/mach-omap1/leds-osk.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/leds-osk.c
+ * linux/arch/arm/mach-omap1/leds-osk.c
*
* LED driver for OSK, and optionally Mistral QVGA, boards
*/
@@ -64,7 +64,7 @@ static void tps_work(void *unused)
static DECLARE_WORK(work, tps_work, NULL);
-#ifdef CONFIG_FB_OMAP
+#ifdef CONFIG_OMAP_OSK_MISTRAL
/* For now, all system indicators require the Mistral board, since that
* LED can be manipulated without a task context. This LED is either red,
@@ -127,7 +127,7 @@ void osk_leds_event(led_event_t evt)
hw_led_state = 0;
break;
-#ifdef CONFIG_FB_OMAP
+#ifdef CONFIG_OMAP_OSK_MISTRAL
case led_timer:
hw_led_state ^= TIMER_LED;
@@ -144,7 +144,7 @@ void osk_leds_event(led_event_t evt)
mistral_setled();
break;
-#endif /* CONFIG_FB_OMAP */
+#endif /* CONFIG_OMAP_OSK_MISTRAL */
/* "green" == tps LED1 (leftmost, normally power-good)
* works only with DC adapter, not on battery power!
diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c
index 8ab21fe..5c6b1bb 100644
--- a/arch/arm/mach-omap1/leds.c
+++ b/arch/arm/mach-omap1/leds.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap/leds.c
+ * linux/arch/arm/mach-omap1/leds.c
*
* OMAP LEDs dispatcher
*/
@@ -20,7 +20,9 @@ omap_leds_init(void)
if (machine_is_omap_innovator())
leds_event = innovator_leds_event;
- else if (machine_is_omap_h2() || machine_is_omap_perseus2())
+ else if (machine_is_omap_h2()
+ || machine_is_omap_h3()
+ || machine_is_omap_perseus2())
leds_event = h2p2_dbg_leds_event;
else if (machine_is_omap_osk())
@@ -30,8 +32,12 @@ omap_leds_init(void)
return -1;
if (machine_is_omap_h2()
+ || machine_is_omap_h3()
|| machine_is_omap_perseus2()
- || machine_is_omap_osk()) {
+#ifdef CONFIG_OMAP_OSK_MISTRAL
+ || machine_is_omap_osk()
+#endif
+ ) {
/* LED1/LED2 pins can be used as GPIO (as done here), or by
* the LPG (works even in deep sleep!), to drive a bicolor
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index 214e5d1..e702e0c 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -24,7 +24,11 @@
#include <asm/arch/board.h>
#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/fpga.h>
+#ifdef CONFIG_PM
+#include <asm/arch/pm.h>
+#endif
static struct clk * uart1_ck = NULL;
static struct clk * uart2_ck = NULL;
@@ -193,6 +197,86 @@ void __init omap_serial_init(int ports[OMAP_MAX_NR_PORTS])
}
}
+#ifdef CONFIG_OMAP_SERIAL_WAKE
+
+static irqreturn_t omap_serial_wake_interrupt(int irq, void *dev_id,
+ struct pt_regs *regs)
+{
+ /* Need to do something with serial port right after wake-up? */
+ return IRQ_HANDLED;
+}
+
+/*
+ * Reroutes serial RX lines to GPIO lines for the duration of
+ * sleep to allow waking up the device from serial port even
+ * in deep sleep.
+ */
+void omap_serial_wake_trigger(int enable)
+{
+ if (!cpu_is_omap16xx())
+ return;
+
+ if (uart1_ck != NULL) {
+ if (enable)
+ omap_cfg_reg(V14_16XX_GPIO37);
+ else
+ omap_cfg_reg(V14_16XX_UART1_RX);
+ }
+ if (uart2_ck != NULL) {
+ if (enable)
+ omap_cfg_reg(R9_16XX_GPIO18);
+ else
+ omap_cfg_reg(R9_16XX_UART2_RX);
+ }
+ if (uart3_ck != NULL) {
+ if (enable)
+ omap_cfg_reg(L14_16XX_GPIO49);
+ else
+ omap_cfg_reg(L14_16XX_UART3_RX);
+ }
+}
+
+static void __init omap_serial_set_port_wakeup(int gpio_nr)
+{
+ int ret;
+
+ ret = omap_request_gpio(gpio_nr);
+ if (ret < 0) {
+ printk(KERN_ERR "Could not request UART wake GPIO: %i\n",
+ gpio_nr);
+ return;
+ }
+ omap_set_gpio_direction(gpio_nr, 1);
+ set_irq_type(OMAP_GPIO_IRQ(gpio_nr), IRQT_RISING);
+ ret = request_irq(OMAP_GPIO_IRQ(gpio_nr), &omap_serial_wake_interrupt,
+ 0, "serial wakeup", NULL);
+ if (ret) {
+ omap_free_gpio(gpio_nr);
+ printk(KERN_ERR "No interrupt for UART wake GPIO: %i\n",
+ gpio_nr);
+ return;
+ }
+ enable_irq_wake(OMAP_GPIO_IRQ(gpio_nr));
+}
+
+static int __init omap_serial_wakeup_init(void)
+{
+ if (!cpu_is_omap16xx())
+ return 0;
+
+ if (uart1_ck != NULL)
+ omap_serial_set_port_wakeup(37);
+ if (uart2_ck != NULL)
+ omap_serial_set_port_wakeup(18);
+ if (uart3_ck != NULL)
+ omap_serial_set_port_wakeup(49);
+
+ return 0;
+}
+late_initcall(omap_serial_wakeup_init);
+
+#endif /* CONFIG_OMAP_SERIAL_WAKE */
+
static int __init omap_init(void)
{
return platform_device_register(&serial_device);
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index d540539..191a9b1 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -247,13 +247,6 @@ unsigned long long sched_clock(void)
#define OMAP_32K_TIMER_TCR 0x04
#define OMAP_32K_TICKS_PER_HZ (32768 / HZ)
-#if (32768 % HZ) != 0
-/* We cannot ignore modulo.
- * Potential error can be as high as several percent.
- */
-#define OMAP_32K_TICK_MODULO (32768 % HZ)
-static unsigned modulo_count = 0; /* Counts 1/HZ units */
-#endif
/*
* TRM says 1 / HZ = ( TVR + 1) / 32768, so TRV = (32768 / HZ) - 1
@@ -296,13 +289,22 @@ static inline void omap_32k_timer_stop(void)
}
/*
- * Rounds down to nearest usec
+ * Rounds down to nearest usec. Note that this will overflow for larger values.
*/
static inline unsigned long omap_32k_ticks_to_usecs(unsigned long ticks_32k)
{
return (ticks_32k * 5*5*5*5*5*5) >> 9;
}
+/*
+ * Rounds down to nearest nsec.
+ */
+static inline unsigned long long
+omap_32k_ticks_to_nsecs(unsigned long ticks_32k)
+{
+ return (unsigned long long) ticks_32k * 1000 * 5*5*5*5*5*5 >> 9;
+}
+
static unsigned long omap_32k_last_tick = 0;
/*
@@ -315,6 +317,15 @@ static unsigned long omap_32k_timer_gettimeoffset(void)
}
/*
+ * Returns current time from boot in nsecs. It's OK for this to wrap
+ * around for now, as it's just a relative time stamp.
+ */
+unsigned long long sched_clock(void)
+{
+ return omap_32k_ticks_to_nsecs(omap_32k_sync_timer_read());
+}
+
+/*
* Timer interrupt for 32KHz timer. When dynamic tick is enabled, this
* function is also called from other interrupts to remove latency
* issues with dynamic tick. In the dynamic tick case, we need to lock
@@ -330,19 +341,6 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
now = omap_32k_sync_timer_read();
while (now - omap_32k_last_tick >= OMAP_32K_TICKS_PER_HZ) {
-#ifdef OMAP_32K_TICK_MODULO
- /* Modulo addition may put omap_32k_last_tick ahead of now
- * and cause unwanted repetition of the while loop.
- */
- if (unlikely(now - omap_32k_last_tick == ~0))
- break;
-
- modulo_count += OMAP_32K_TICK_MODULO;
- if (modulo_count > HZ) {
- ++omap_32k_last_tick;
- modulo_count -= HZ;
- }
-#endif
omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ;
timer_tick(regs);
}
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