diff options
| -rw-r--r-- | arch/arm/boot/dts/integratorap.dts | 51 | ||||
| -rw-r--r-- | arch/arm/boot/dts/integratorcp.dts | 74 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 36 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 123 |
4 files changed, 126 insertions, 158 deletions
diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts index 4b34b54..6f16d09 100644 --- a/arch/arm/boot/dts/integratorap.dts +++ b/arch/arm/boot/dts/integratorap.dts @@ -19,7 +19,7 @@ bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk"; }; - /* 24 MHz chrystal on the core module */ + /* 24 MHz chrystal on the Integrator/AP development board */ xtal24mhz: xtal24mhz@24M { #clock-cells = <0>; compatible = "fixed-clock"; @@ -39,6 +39,34 @@ #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <14745600>; + clocks = <&xtal24mhz>; + }; + + core-module@10000000 { + /* 24 MHz chrystal on the core module */ + cm24mhz: cm24mhz@24M { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + }; + + /* Oscillator on the core module, clocks the CPU core */ + cmosc: cmosc@24M { + compatible = "arm,syscon-icst525-integratorap-cm"; + #clock-cells = <0>; + lock-offset = <0x14>; + vco-offset = <0x08>; + clocks = <&cm24mhz>; + }; + + /* Auxilary oscillator on the core module, 32.369MHz at boot */ + auxosc: auxosc@24M { + compatible = "arm,syscon-icst525"; + #clock-cells = <0>; + lock-offset = <0x14>; + vco-offset = <0x1c>; + clocks = <&cm24mhz>; + }; }; syscon { @@ -47,6 +75,27 @@ interrupt-parent = <&pic>; /* These are the logical module IRQs */ interrupts = <9>, <10>, <11>, <12>; + + /* + * SYSCLK clocks PCIv3 bridge, system controller and the + * logic modules. + */ + sysclk: apsys@24M { + compatible = "arm,syscon-icst525-integratorap-sys"; + #clock-cells = <0>; + lock-offset = <0x1c>; + vco-offset = <0x04>; + clocks = <&xtal24mhz>; + }; + + /* One-bit control for the PCI bus clock (33 or 25 MHz) */ + pciclk: pciclk@24M { + compatible = "arm,syscon-icst525-integratorap-pci"; + #clock-cells = <0>; + lock-offset = <0x1c>; + vco-offset = <0x04>; + clocks = <&xtal24mhz>; + }; }; timer0: timer@13000000 { diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index 79430fb..1b5e4b0 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -58,20 +58,37 @@ core-module@10000000 { /* 24 MHz chrystal on the core module */ - xtal24mhz: xtal24mhz@24M { + cm24mhz: cm24mhz@24M { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <24000000>; }; - /* - * External oscillator on the core module, usually used - * to drive video circuitry. Driven from the 24MHz clock. - */ - auxosc: cm_aux_osc@25M { + /* Oscillator on the core module, clocks the CPU core */ + cmcore: cmosc@24M { + compatible = "arm,syscon-icst525-integratorcp-cm-core"; + #clock-cells = <0>; + lock-offset = <0x14>; + vco-offset = <0x08>; + clocks = <&cm24mhz>; + }; + + /* Oscillator on the core module, clocks the memory bus */ + cmmem: cmosc@24M { + compatible = "arm,syscon-icst525-integratorcp-cm-mem"; + #clock-cells = <0>; + lock-offset = <0x14>; + vco-offset = <0x08>; + clocks = <&cm24mhz>; + }; + + /* Auxilary oscillator on the core module, clocks the CLCD */ + auxosc: auxosc@24M { + compatible = "arm,syscon-icst525"; #clock-cells = <0>; - compatible = "arm,integrator-cm-auxosc"; - clocks = <&xtal24mhz>; + lock-offset = <0x14>; + vco-offset = <0x1c>; + clocks = <&cm24mhz>; }; /* The KMI clock is the 24 MHz oscillator divided to 8MHz */ @@ -80,7 +97,7 @@ compatible = "fixed-factor-clock"; clock-div = <3>; clock-mult = <1>; - clocks = <&xtal24mhz>; + clocks = <&cm24mhz>; }; /* The timer clock is the 24 MHz oscillator divided to 1MHz */ @@ -89,7 +106,7 @@ compatible = "fixed-factor-clock"; clock-div = <24>; clock-mult = <1>; - clocks = <&xtal24mhz>; + clocks = <&cm24mhz>; }; }; @@ -209,7 +226,42 @@ reg = <0xC0000000 0x1000>; interrupts = <22>; clocks = <&auxosc>, <&pclk>; - clock-names = "clcd", "apb_pclk"; + clock-names = "clcdclk", "apb_pclk"; + + port { + /* + * The VGA connected is implemented with a + * THS8134A triple DAC that can be run in 24bit + * or 16bit RGB mode. + */ + clcd_pads: endpoint { + remote-endpoint = <&clcd_panel>; + arm,pl11x,tft-r0g0b0-pads = <1 7 13>; + }; + }; + + panel { + compatible = "panel-dpi"; + + port { + clcd_panel: endpoint { + remote-endpoint = <&clcd_pads>; + }; + }; + + /* Standard 640x480 VGA timings */ + panel-timing { + clock-frequency = <25175000>; + hactive = <640>; + hback-porch = <48>; + hfront-porch = <16>; + hsync-len = <96>; + vactive = <480>; + vback-porch = <33>; + vfront-porch = <10>; + vsync-len = <2>; + }; + }; }; }; }; diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index c7bb832..23b98fd 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -17,33 +17,19 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/list.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/string.h> #include <linux/syscore_ops.h> #include <linux/amba/bus.h> -#include <linux/amba/kmi.h> #include <linux/io.h> #include <linux/irqchip.h> -#include <linux/platform_data/clk-integrator.h> #include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/of_platform.h> -#include <linux/stat.h> #include <linux/termios.h> -#include <asm/setup.h> -#include <asm/param.h> /* HZ */ -#include <asm/mach-types.h> - #include <asm/mach/arch.h> -#include <asm/mach/irq.h> #include <asm/mach/map.h> -#include <asm/mach/time.h> #include "hardware.h" #include "cm.h" @@ -68,14 +54,8 @@ static void __iomem *ebi_base; /* * Logical Physical - * ef000000 Cache flush - * f1100000 11000000 System controller registers - * f1300000 13000000 Counter/Timer * f1400000 14000000 Interrupt controller * f1600000 16000000 UART 0 - * f1700000 17000000 UART 1 - * f1a00000 1a000000 Debug LEDs - * f1b00000 1b000000 GPIO */ static struct map_desc ap_io_desc[] __initdata __maybe_unused = { @@ -89,16 +69,6 @@ static struct map_desc ap_io_desc[] __initdata __maybe_unused = { .pfn = __phys_to_pfn(INTEGRATOR_UART0_BASE), .length = SZ_4K, .type = MT_DEVICE - }, { - .virtual = IO_ADDRESS(INTEGRATOR_DBG_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_DBG_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { - .virtual = IO_ADDRESS(INTEGRATOR_AP_GPIO_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_AP_GPIO_BASE), - .length = SZ_4K, - .type = MT_DEVICE } }; @@ -196,16 +166,10 @@ static void __init ap_init_irq_of(void) /* For the Device Tree, add in the UART callbacks as AUXDATA */ static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_RTC_BASE, - "rtc", NULL), OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART0_BASE, "uart0", &ap_uart_data), OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART1_BASE, "uart1", &ap_uart_data), - OF_DEV_AUXDATA("arm,primecell", KMI0_BASE, - "kmi0", NULL), - OF_DEV_AUXDATA("arm,primecell", KMI1_BASE, - "kmi1", NULL), { /* sentinel */ }, }; diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 8252983..772a7cf 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -7,67 +7,40 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. */ -#include <linux/types.h> #include <linux/kernel.h> -#include <linux/init.h> -#include <linux/list.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/string.h> -#include <linux/device.h> -#include <linux/amba/bus.h> -#include <linux/amba/kmi.h> -#include <linux/amba/clcd.h> -#include <linux/platform_data/video-clcd-versatile.h> #include <linux/amba/mmci.h> #include <linux/io.h> #include <linux/irqchip.h> -#include <linux/gfp.h> #include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/sched_clock.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> -#include <asm/setup.h> -#include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/irq.h> #include <asm/mach/map.h> -#include <asm/mach/time.h> #include "hardware.h" #include "cm.h" #include "common.h" +/* Base address to the core module header */ +static struct regmap *cm_map; /* Base address to the CP controller */ static void __iomem *intcp_con_base; -#define INTCP_PA_CLCD_BASE 0xc0000000 +#define CM_COUNTER_OFFSET 0x28 /* * Logical Physical - * f1000000 10000000 Core module registers - * f1300000 13000000 Counter/Timer * f1400000 14000000 Interrupt controller * f1600000 16000000 UART 0 - * f1700000 17000000 UART 1 - * f1a00000 1a000000 Debug LEDs - * fc900000 c9000000 GPIO * fca00000 ca000000 SIC */ static struct map_desc intcp_io_desc[] __initdata __maybe_unused = { { - .virtual = IO_ADDRESS(INTEGRATOR_HDR_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_HDR_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { - .virtual = IO_ADDRESS(INTEGRATOR_CT_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_CT_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { .virtual = IO_ADDRESS(INTEGRATOR_IC_BASE), .pfn = __phys_to_pfn(INTEGRATOR_IC_BASE), .length = SZ_4K, @@ -78,16 +51,6 @@ static struct map_desc intcp_io_desc[] __initdata __maybe_unused = { .length = SZ_4K, .type = MT_DEVICE }, { - .virtual = IO_ADDRESS(INTEGRATOR_DBG_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_DBG_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { - .virtual = IO_ADDRESS(INTEGRATOR_CP_GPIO_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_CP_GPIO_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { .virtual = IO_ADDRESS(INTEGRATOR_CP_SIC_BASE), .pfn = __phys_to_pfn(INTEGRATOR_CP_SIC_BASE), .length = SZ_4K, @@ -121,66 +84,20 @@ static struct mmci_platform_data mmc_data = { .gpio_cd = -1, }; -/* - * CLCD support - */ -/* - * Ensure VGA is selected. - */ -static void cp_clcd_enable(struct clcd_fb *fb) -{ - struct fb_var_screeninfo *var = &fb->fb.var; - u32 val = CM_CTRL_STATIC1 | CM_CTRL_STATIC2 - | CM_CTRL_LCDEN0 | CM_CTRL_LCDEN1; - - if (var->bits_per_pixel <= 8 || - (var->bits_per_pixel == 16 && var->green.length == 5)) - /* Pseudocolor, RGB555, BGR555 */ - val |= CM_CTRL_LCDMUXSEL_VGA555_TFT555; - else if (fb->fb.var.bits_per_pixel <= 16) - /* truecolor RGB565 */ - val |= CM_CTRL_LCDMUXSEL_VGA565_TFT555; - else - val = 0; /* no idea for this, don't trust the docs */ - - cm_control(CM_CTRL_LCDMUXSEL_MASK| - CM_CTRL_LCDEN0| - CM_CTRL_LCDEN1| - CM_CTRL_STATIC1| - CM_CTRL_STATIC2| - CM_CTRL_STATIC| - CM_CTRL_n24BITEN, val); -} - -static int cp_clcd_setup(struct clcd_fb *fb) -{ - fb->panel = versatile_clcd_get_panel("VGA"); - if (!fb->panel) - return -EINVAL; - - return versatile_clcd_setup_dma(fb, SZ_1M); -} - -static struct clcd_board clcd_data = { - .name = "Integrator/CP", - .caps = CLCD_CAP_5551 | CLCD_CAP_RGB565 | CLCD_CAP_888, - .check = clcdfb_check, - .decode = clcdfb_decode, - .enable = cp_clcd_enable, - .setup = cp_clcd_setup, - .mmap = versatile_clcd_mmap_dma, - .remove = versatile_clcd_remove_dma, -}; - -#define REFCOUNTER (__io_address(INTEGRATOR_HDR_BASE) + 0x28) - static u64 notrace intcp_read_sched_clock(void) { - return readl(REFCOUNTER); + unsigned int val; + + /* MMIO so discard return code */ + regmap_read(cm_map, CM_COUNTER_OFFSET, &val); + return val; } static void __init intcp_init_early(void) { + cm_map = syscon_regmap_lookup_by_compatible("arm,core-module-integrator"); + if (IS_ERR(cm_map)) + return; sched_clock_register(intcp_read_sched_clock, 32, 24000000); } @@ -195,22 +112,8 @@ static void __init intcp_init_irq_of(void) * and enforce the bus names since these are used for clock lookups. */ static struct of_dev_auxdata intcp_auxdata_lookup[] __initdata = { - OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_RTC_BASE, - "rtc", NULL), - OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART0_BASE, - "uart0", NULL), - OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART1_BASE, - "uart1", NULL), - OF_DEV_AUXDATA("arm,primecell", KMI0_BASE, - "kmi0", NULL), - OF_DEV_AUXDATA("arm,primecell", KMI1_BASE, - "kmi1", NULL), OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_CP_MMC_BASE, "mmci", &mmc_data), - OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_CP_AACI_BASE, - "aaci", &mmc_data), - OF_DEV_AUXDATA("arm,primecell", INTCP_PA_CLCD_BASE, - "clcd", &clcd_data), { /* sentinel */ }, }; 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