On Mon, Jan 11, 2010 at 12:54:47PM +0900, Kukjin Kim wrote: > This patch adds Samsung's S5P6440 CPU support. > > Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx> > Signed-off-by: Adityapratap Sharma <aditya.ps@xxxxxxxxxxx> > Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx> > Signed-off-by: Atul Dahiya <atul.dahiya@xxxxxxxxxxx> > --- > arch/arm/mach-s5p6440/cpu.c | 119 ++++++++++++++++++++++ > arch/arm/mach-s5p6440/include/mach/debug-macro.S | 37 +++++++ > arch/arm/mach-s5p6440/include/mach/entry-macro.S | 42 ++++++++ > arch/arm/mach-s5p6440/include/mach/gpio-core.h | 19 ++++ > arch/arm/mach-s5p6440/include/mach/gpio.h | 80 +++++++++++++++ > arch/arm/mach-s5p6440/include/mach/hardware.h | 18 ++++ > arch/arm/mach-s5p6440/include/mach/map.h | 100 ++++++++++++++++++ > arch/arm/mach-s5p6440/include/mach/memory.h | 19 ++++ > arch/arm/mach-s5p6440/include/mach/uncompress.h | 24 +++++ > arch/arm/plat-s3c/include/plat/cpu.h | 2 + > arch/arm/plat-s5p/cpu.c | 88 ++++++++++++++++ > arch/arm/plat-s5p/include/plat/s5p6440.h | 37 +++++++ > arch/arm/plat-s5p/s5p6440-init.c | 50 +++++++++ > arch/arm/plat-s5p/setup-i2c0.c | 25 +++++ > 14 files changed, 660 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-s5p6440/cpu.c > create mode 100644 arch/arm/mach-s5p6440/include/mach/debug-macro.S > create mode 100644 arch/arm/mach-s5p6440/include/mach/entry-macro.S > create mode 100644 arch/arm/mach-s5p6440/include/mach/gpio-core.h > create mode 100644 arch/arm/mach-s5p6440/include/mach/gpio.h > create mode 100644 arch/arm/mach-s5p6440/include/mach/hardware.h > create mode 100644 arch/arm/mach-s5p6440/include/mach/map.h > create mode 100644 arch/arm/mach-s5p6440/include/mach/memory.h > create mode 100644 arch/arm/mach-s5p6440/include/mach/uncompress.h > create mode 100644 arch/arm/plat-s5p/cpu.c > create mode 100644 arch/arm/plat-s5p/include/plat/s5p6440.h > create mode 100644 arch/arm/plat-s5p/s5p6440-init.c > create mode 100644 arch/arm/plat-s5p/setup-i2c0.c > > diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c > new file mode 100644 > index 0000000..0920731 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/cpu.c > @@ -0,0 +1,119 @@ > +/* linux/arch/arm/mach-s5p6440/cpu.c > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.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/types.h> > +#include <linux/interrupt.h> > +#include <linux/list.h> > +#include <linux/timer.h> > +#include <linux/init.h> > +#include <linux/clk.h> > +#include <linux/io.h> > +#include <linux/sysdev.h> > +#include <linux/serial_core.h> > +#include <linux/platform_device.h> > + > +#include <asm/mach/arch.h> > +#include <asm/mach/map.h> > +#include <asm/mach/irq.h> > + > +#include <asm/proc-fns.h> > +#include <mach/idle.h> > + > +#include <mach/hardware.h> > +#include <mach/map.h> > +#include <asm/irq.h> > + > +#include <plat/regs-serial.h> > +#include <mach/regs-clock.h> > + > +#include <plat/cpu.h> > +#include <plat/devs.h> > +#include <plat/clock.h> > +#include <plat/s5p6440.h> > + > +/* Initial IO mappings */ > + > +static struct map_desc s5p6440_iodesc[] __initdata = { > +}; would have been nice to see this one vanish. > +static void s5p6440_idle(void) > +{ > + unsigned long val; > + > + val = __raw_readl(S5P_PWR_CFG); > + val &= ~(0x3<<5); > + val |= (0x1<<5); > + __raw_writel(val, S5P_PWR_CFG); > + > + cpu_do_idle(); > +} > + > +/* s5p6440_map_io > + * > + * register the standard cpu IO areas > +*/ > + > +void __init s5p6440_map_io(void) > +{ > + iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc)); > + > + /* set idle function */ > + s3c_idle_fn = s5p6440_idle; > + > + /* initialize device information early */ > +} > + > +void __init s5p6440_init_clocks(int xtal) > +{ > + printk(KERN_DEBUG "%s: initializing clocks\n", __func__); > + > + s3c24xx_register_baseclocks(xtal); > + s5p_register_clocks(xtal); > + s5p6440_register_clocks(); > + s5p6440_setup_clocks(); > +} > + > +void __init s5p6440_init_irq(void) > +{ > + /* S5P6440 supports only 2 VIC */ > + u32 vic[2]; > + > + /* > + * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)] > + * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22] > + */ > + vic[0] = 0xff800ae7; > + vic[1] = 0xffbf23e5; > + > + s5p_init_irq(vic, ARRAY_SIZE(vic)); > +} > + > +struct sysdev_class s5p6440_sysclass = { > + .name = "s5p6440-core", > +}; > + > +static struct sys_device s5p6440_sysdev = { > + .cls = &s5p6440_sysclass, > +}; > + > +static int __init s5p6440_core_init(void) > +{ > + return sysdev_class_register(&s5p6440_sysclass); > +} > + > +core_initcall(s5p6440_core_init); > + > +int __init s5p6440_init(void) > +{ > + printk(KERN_INFO "S5P6440: Initializing architecture\n"); > + > + return sysdev_register(&s5p6440_sysdev); > +} > diff --git a/arch/arm/mach-s5p6440/include/mach/debug-macro.S b/arch/arm/mach-s5p6440/include/mach/debug-macro.S > new file mode 100644 > index 0000000..f3a5d16 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/debug-macro.S > @@ -0,0 +1,37 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/debug-macro.S > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.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. > +*/ > + > +/* pull in the relevant register and map files. */ > + > +#include <mach/map.h> > +#include <plat/regs-serial.h> > + > + /* note, for the boot process to work we have to keep the UART > + * virtual address aligned to an 1MiB boundary for the L1 > + * mapping the head code makes. We keep the UART virtual address > + * aligned and add in the offset when we load the value here. > + */ > + > + .macro addruart, rx > + mrc p15, 0, \rx, c1, c0 > + tst \rx, #1 > + ldreq \rx, = S5P_PA_UART > + ldrne \rx, = (S5P_VA_UART + S5P_PA_UART & 0xfffff) > +#if CONFIG_DEBUG_S3C_UART != 0 > + add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART) > +#endif > + .endm > + > +/* include the reset of the code which will do the work, we're only > + * compiling for a single cpu processor type so the default of s3c2440 > + * will be fine with us. > + */ > + > +#include <plat/debug-macro.S> > diff --git a/arch/arm/mach-s5p6440/include/mach/entry-macro.S b/arch/arm/mach-s5p6440/include/mach/entry-macro.S > new file mode 100644 > index 0000000..8768dda > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/entry-macro.S > @@ -0,0 +1,42 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/entry-macro.S > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Low-level IRQ helper macros for the Samsung S5P6440 > + * > + * 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 <asm/hardware/vic.h> > +#include <mach/map.h> > +#include <plat/irqs.h> > + > + .macro disable_fiq > + .endm > + > + .macro get_irqnr_preamble, base, tmp > + ldr \base, =S5P_VA_VIC0 > + .endm > + > + .macro arch_ret_to_user, tmp1, tmp2 > + .endm > + > + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp > + > + @ check the vic0 > + mov \irqnr, # S5P_IRQ_OFFSET + 31 > + ldr \irqstat, [ \base, # VIC_IRQ_STATUS ] > + teq \irqstat, #0 > + > + @ otherwise try vic1 > + addeq \tmp, \base, #(S5P_VA_VIC1 - S5P_VA_VIC0) > + addeq \irqnr, \irqnr, #32 > + ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ] > + teqeq \irqstat, #0 > + > + clzne \irqstat, \irqstat > + subne \irqnr, \irqnr, \irqstat > + .endm Missed my next-samsung changes for standard 2 VIC entry code. > diff --git a/arch/arm/mach-s5p6440/include/mach/gpio-core.h b/arch/arm/mach-s5p6440/include/mach/gpio-core.h > new file mode 100644 > index 0000000..ff7fb30 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/gpio-core.h > @@ -0,0 +1,19 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/gpio-core.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - GPIO core support > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_GPIO_CORE_H > +#define __ASM_ARCH_GPIO_CORE_H __FILE__ > + > +/* currently we just include the platform support */ > +#include <plat/gpio-core.h> > + > +#endif /* __ASM_ARCH_GPIO_CORE_H */ > diff --git a/arch/arm/mach-s5p6440/include/mach/gpio.h b/arch/arm/mach-s5p6440/include/mach/gpio.h > new file mode 100644 > index 0000000..2178383 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/gpio.h > @@ -0,0 +1,80 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/gpio.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - GPIO lib support > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_GPIO_H > +#define __ASM_ARCH_GPIO_H __FILE__ > + > +#define gpio_get_value __gpio_get_value > +#define gpio_set_value __gpio_set_value > +#define gpio_cansleep __gpio_cansleep > +#define gpio_to_irq __gpio_to_irq > + > +/* GPIO bank sizes */ > +#define S5P6440_GPIO_A_NR (6) > +#define S5P6440_GPIO_B_NR (7) > +#define S5P6440_GPIO_C_NR (8) > +#define S5P6440_GPIO_F_NR (2) > +#define S5P6440_GPIO_G_NR (7) > +#define S5P6440_GPIO_H_NR (10) > +#define S5P6440_GPIO_I_NR (16) > +#define S5P6440_GPIO_J_NR (12) > +#define S5P6440_GPIO_N_NR (16) > +#define S5P6440_GPIO_P_NR (8) > +#define S5P6440_GPIO_R_NR (15) > + > +/* GPIO bank numbers */ > + > +/* CONFIG_S3C_GPIO_SPACE allows the user to select extra > + * space for debugging purposes so that any accidental > + * change from one gpio bank to another can be caught. > +*/ > +#define S5P6440_GPIO_NEXT(__gpio) \ > + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) > + > +enum s5p_gpio_number { > + S5P6440_GPIO_A_START = 0, > + S5P6440_GPIO_B_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_A), > + S5P6440_GPIO_C_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_B), > + S5P6440_GPIO_F_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_C), > + S5P6440_GPIO_G_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_F), > + S5P6440_GPIO_H_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_G), > + S5P6440_GPIO_I_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_H), > + S5P6440_GPIO_J_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_I), > + S5P6440_GPIO_N_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_J), > + S5P6440_GPIO_P_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_N), > + S5P6440_GPIO_R_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_P), > +}; > + > +/* S5P6440 GPIO number definitions. */ > +#define S5P6440_GPA(_nr) (S5P6440_GPIO_A_START + (_nr)) > +#define S5P6440_GPB(_nr) (S5P6440_GPIO_B_START + (_nr)) > +#define S5P6440_GPC(_nr) (S5P6440_GPIO_C_START + (_nr)) > +#define S5P6440_GPF(_nr) (S5P6440_GPIO_F_START + (_nr)) > +#define S5P6440_GPG(_nr) (S5P6440_GPIO_G_START + (_nr)) > +#define S5P6440_GPH(_nr) (S5P6440_GPIO_H_START + (_nr)) > +#define S5P6440_GPI(_nr) (S5P6440_GPIO_I_START + (_nr)) > +#define S5P6440_GPJ(_nr) (S5P6440_GPIO_J_START + (_nr)) > +#define S5P6440_GPN(_nr) (S5P6440_GPIO_N_START + (_nr)) > +#define S5P6440_GPP(_nr) (S5P6440_GPIO_P_START + (_nr)) > +#define S5P6440_GPR(_nr) (S5P6440_GPIO_R_START + (_nr)) > + > +/* the end of the S5P6440 specific gpios */ > +#define S5P6440_GPIO_END (S5P6440_GPR(S5P6440_GPIO_R_NR) + 1) > +#define S3C_GPIO_END S5P6440_GPIO_END > + > +/* define the number of gpios we need to the one after the GPR() range */ > +#define ARCH_NR_GPIOS (S5P6440_GPR(S5P6440_GPIO_R_NR) + \ > + CONFIG_SAMSUNG_GPIO_EXTRA + 1) good, this seems to have been updated. > +#include <asm-generic/gpio.h> > + > +#endif /* __ASM_ARCH_GPIO_H */ > diff --git a/arch/arm/mach-s5p6440/include/mach/hardware.h b/arch/arm/mach-s5p6440/include/mach/hardware.h > new file mode 100644 > index 0000000..be8b26e > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/hardware.h > @@ -0,0 +1,18 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/hardware.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - Hardware support > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_HARDWARE_H > +#define __ASM_ARCH_HARDWARE_H __FILE__ > + > +/* currently nothing here, placeholder */ > + > +#endif /* __ASM_ARCH_HARDWARE_H */ > diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h > new file mode 100644 > index 0000000..7ed4bd4 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/map.h > @@ -0,0 +1,100 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/map.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - Memory map definitions > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_MAP_H > +#define __ASM_ARCH_MAP_H __FILE__ > + > +#include <plat/map-base.h> > + > +/* SYSCON */ > +#define S5P6440_PA_SYSCON (0xE0100000) > +#define S5P_PA_SYSCON S5P6440_PA_SYSCON > +#define S5P_VA_SYSCON S3C_VA_SYS > + > +#define S5P6440_PA_CLK (S5P6440_PA_SYSCON + 0x0) > +#define S5P_PA_CLK S5P6440_PA_CLK > +#define S5P_VA_CLK (S5P_VA_SYSCON + 0x0) > + > +#define S5P6440_PA_OTHER (S5P6440_PA_SYSCON + 0x100) > +#define S5P_PA_OTHER S5P6440_PA_OTHER > +#define S5P_VA_OTHER (S5P_VA_SYSCON + 0x100) > + > +#define S5P6440_PA_PWR (S5P6440_PA_SYSCON + 0x800) > +#define S5P_PA_PWR S5P6440_PA_PWR > +#define S5P_VA_PWR (S5P_VA_SYSCON + 0x800) > + > +/* GPIO */ > +#define S5P6440_PA_GPIO (0xE0308000) > +#define S5P_PA_GPIO S5P6440_PA_GPIO > +#define S5P_VA_GPIO S3C_ADDR(0x00500000) > + > +/* VIC0 */ > +#define S5P6440_PA_VIC0 (0xE4000000) > +#define S5P_PA_VIC0 S5P6440_PA_VIC0 > +#define S5P_VA_VIC0 (S3C_VA_IRQ + 0x0) > + > +/* VIC1 */ > +#define S5P6440_PA_VIC1 (0xE4100000) > +#define S5P_PA_VIC1 S5P6440_PA_VIC1 > +#define S5P_VA_VIC1 (S3C_VA_IRQ + 0x10000) > + > +/* Timer */ > +#define S5P6440_PA_TIMER (0xEA000000) > +#define S5P_PA_TIMER S5P6440_PA_TIMER > +#define S5P_VA_TIMER S3C_VA_TIMER > + > +/* RTC */ > +#define S5P6440_PA_RTC (0xEA100000) > +#define S5P_PA_RTC S5P6440_PA_RTC > +#define S5P_VA_RTC S3C_ADDR(0x00600000) > + > +/* WDT */ > +#define S5P6440_PA_WDT (0xEA200000) > +#define S5P_PA_WDT S5P6440_PA_WDT > +#define S5p_VA_WDT S3C_VA_WATCHDOG > + > +/* UART */ > +#define S5P6440_PA_UART (0xEC000000) > +#define S5P_PA_UART S5P6440_PA_UART > +#define S5P_VA_UART S3C_VA_UART > + > +#define S5P_PA_UART0 (S5P_PA_UART + 0x0) > +#define S5P_PA_UART1 (S5P_PA_UART + 0x400) > +#define S5P_PA_UART2 (S5P_PA_UART + 0x800) > +#define S5P_PA_UART3 (S5P_PA_UART + 0xC00) > +#define S5P_UART_OFFSET (0x400) > + > +#define S5P_VA_UARTx(x) (S5P_VA_UART + (S5P_PA_UART & 0xfffff) \ > + + ((x) * S5P_UART_OFFSET)) > + > +#define S5P_VA_UART0 S5P_VA_UARTx(0) > +#define S5P_VA_UART1 S5P_VA_UARTx(1) > +#define S5P_VA_UART2 S5P_VA_UARTx(2) > +#define S5P_VA_UART3 S5P_VA_UARTx(3) > +#define S5P_SZ_UART SZ_256 > + > +/* I2C */ > +#define S5P6440_PA_IIC0 (0xEC104000) > +#define S5P_PA_IIC0 S5P6440_PA_IIC0 > +#define S5p_VA_IIC0 S3C_ADDR(0x00700000) > + > +/* SDRAM */ > +#define S5P6440_PA_SDRAM (0x20000000) > +#define S5P_PA_SDRAM S5P6440_PA_SDRAM > + > +/* compatibiltiy defines. */ > +#define S3C_PA_UART S5P_PA_UART > +#define S3C_UART_OFFSET S5P_UART_OFFSET > +#define S3C_PA_TIMER S5P_PA_TIMER > +#define S3C_PA_IIC S5P_PA_IIC0 > + > +#endif /* __ASM_ARCH_MAP_H */ > diff --git a/arch/arm/mach-s5p6440/include/mach/memory.h b/arch/arm/mach-s5p6440/include/mach/memory.h > new file mode 100644 > index 0000000..d62910c > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/memory.h > @@ -0,0 +1,19 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/memory.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - Memory definitions > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_MEMORY_H > +#define __ASM_ARCH_MEMORY_H > + > +#define PHYS_OFFSET UL(0x20000000) > +#define CONSISTENT_DMA_SIZE SZ_8M > + > +#endif /* __ASM_ARCH_MEMORY_H */ > diff --git a/arch/arm/mach-s5p6440/include/mach/uncompress.h b/arch/arm/mach-s5p6440/include/mach/uncompress.h > new file mode 100644 > index 0000000..7c1f600 > --- /dev/null > +++ b/arch/arm/mach-s5p6440/include/mach/uncompress.h > @@ -0,0 +1,24 @@ > +/* linux/arch/arm/mach-s5p6440/include/mach/uncompress.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P6440 - uncompress code > + * > + * 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. > +*/ > + > +#ifndef __ASM_ARCH_UNCOMPRESS_H > +#define __ASM_ARCH_UNCOMPRESS_H > + > +#include <mach/map.h> > +#include <plat/uncompress.h> > + > +static void arch_detect_cpu(void) > +{ > + /* we do not need to do any cpu detection here at the moment. */ > +} > + > +#endif /* __ASM_ARCH_UNCOMPRESS_H */ > diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-s3c/include/plat/cpu.h > index d1131ca..d8e134c 100644 > --- a/arch/arm/plat-s3c/include/plat/cpu.h > +++ b/arch/arm/plat-s3c/include/plat/cpu.h > @@ -48,9 +48,11 @@ extern void s3c_init_cpu(unsigned long idcode, > > extern void s3c24xx_init_irq(void); > extern void s3c64xx_init_irq(u32 vic0, u32 vic1); > +extern void s5p_init_irq(u32 *vic, u32 num_vic); > > extern void s3c24xx_init_io(struct map_desc *mach_desc, int size); > extern void s3c64xx_init_io(struct map_desc *mach_desc, int size); > +extern void s5p_init_io(struct map_desc *mach_desc, int size); > > extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); > > diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c > new file mode 100644 > index 0000000..7e1ade6 > --- /dev/null > +++ b/arch/arm/plat-s5p/cpu.c > @@ -0,0 +1,88 @@ > +/* linux/arch/arm/plat-s5p/cpu.c > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5P CPU Support > + * > + * 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/init.h> > +#include <linux/module.h> > +#include <mach/map.h> > +#include <asm/mach/arch.h> > +#include <asm/mach/map.h> > +#include <mach/regs-clock.h> > +#include <plat/cpu.h> > +#include <plat/s5p6440.h> > + > +/* table of supported CPUs */ > + > +static const char name_s5p6440[] = "S5P6440"; > + > +static struct cpu_table cpu_ids[] __initdata = { > + { > + .idcode = 0x56440100, > + .idmask = 0xffffff00, > + .map_io = s5p6440_map_io, > + .init_clocks = s5p6440_init_clocks, > + .init_uarts = s5p6440_init_uarts, > + .init = s5p6440_init, > + .name = name_s5p6440, > + }, > +}; > + > +/* minimal IO mapping */ > + > +#define UART_OFFS (S5P_PA_UART & 0xfffff) > + > +static struct map_desc s5p_iodesc[] __initdata = { > + { > + .virtual = (unsigned long)S5P_VA_SYSCON, > + .pfn = __phys_to_pfn(S5P_PA_SYSCON), > + .length = SZ_4K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)(S5P_VA_UART + UART_OFFS), > + .pfn = __phys_to_pfn(S5P_PA_UART), > + .length = SZ_4K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_VIC0, > + .pfn = __phys_to_pfn(S5P_PA_VIC0), > + .length = SZ_16K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_VIC1, > + .pfn = __phys_to_pfn(S5P_PA_VIC1), > + .length = SZ_16K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_TIMER, > + .pfn = __phys_to_pfn(S5P_PA_TIMER), > + .length = SZ_16K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_GPIO, > + .pfn = __phys_to_pfn(S5P_PA_GPIO), > + .length = SZ_4K, > + .type = MT_DEVICE, > + }, > +}; > + > +/* read cpu identification code */ > + > +void __init s5p_init_io(struct map_desc *mach_desc, int size) > +{ > + unsigned long idcode; > + > + /* initialize the io descriptors we need for initialization */ > + iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc)); > + iotable_init(mach_desc, size); > + > + idcode = __raw_readl(S5P_SYS_ID); > + s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); > +} > diff --git a/arch/arm/plat-s5p/include/plat/s5p6440.h b/arch/arm/plat-s5p/include/plat/s5p6440.h > new file mode 100644 > index 0000000..a4cd75a > --- /dev/null > +++ b/arch/arm/plat-s5p/include/plat/s5p6440.h > @@ -0,0 +1,37 @@ > +/* arch/arm/plat-s5p/include/plat/s5p6440.h > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Header file for s5p6440 cpu support > + * > + * 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. > +*/ > + > + /* Common init code for S5P6440 related SoCs */ > + > +extern void s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); > +extern void s5p6440_register_clocks(void); > +extern void s5p6440_setup_clocks(void); > + > +#ifdef CONFIG_CPU_S5P6440 > + > +extern int s5p6440_init(void); > +extern void s5p6440_init_irq(void); > +extern void s5p6440_map_io(void); > +extern void s5p6440_init_clocks(int xtal); > + > +#define s5p6440_init_uarts s5p6440_common_init_uarts > + > +#else > +#define s5p6440_init_clocks NULL > +#define s5p6440_init_uarts NULL > +#define s5p6440_map_io NULL > +#define s5p6440_init NULL > +#endif > + > +/* S5P6440 timer */ > + > +extern struct sys_timer s5p6440_timer; > diff --git a/arch/arm/plat-s5p/s5p6440-init.c b/arch/arm/plat-s5p/s5p6440-init.c > new file mode 100644 > index 0000000..9017825 > --- /dev/null > +++ b/arch/arm/plat-s5p/s5p6440-init.c > @@ -0,0 +1,50 @@ > +/* linux/arch/arm/plat-s5p/s5p6440-init.c > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.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/types.h> > +#include <linux/init.h> > +#include <linux/serial_core.h> > + > +#include <plat/cpu.h> > +#include <plat/devs.h> > +#include <plat/s5p6440.h> > +#include <plat/regs-serial.h> > + > +static struct s3c24xx_uart_clksrc s5p6440_serial_clocks[] = { > + [0] = { > + .name = "pclk_low", > + .divisor = 1, > + .min_baud = 0, > + .max_baud = 0, > + }, > + [1] = { > + .name = "uclk1", > + .divisor = 1, > + .min_baud = 0, > + .max_baud = 0, > + }, > +}; > + > +/* uart registration process */ > +void __init s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) > +{ > + struct s3c2410_uartcfg *tcfg = cfg; > + u32 ucnt; > + > + for (ucnt = 0; ucnt < no; ucnt++, tcfg++) { > + if (!tcfg->clocks) { > + tcfg->clocks = s5p6440_serial_clocks; > + tcfg->clocks_size = ARRAY_SIZE(s5p6440_serial_clocks); > + } > + } > + > + s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no); > +} > diff --git a/arch/arm/plat-s5p/setup-i2c0.c b/arch/arm/plat-s5p/setup-i2c0.c > new file mode 100644 > index 0000000..67a66e0 > --- /dev/null > +++ b/arch/arm/plat-s5p/setup-i2c0.c > @@ -0,0 +1,25 @@ > +/* linux/arch/arm/plat-s5p/setup-i2c0.c > + * > + * Copyright (c) 2009 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * I2C0 GPIO configuration. > + * > + * Based on plat-s3c64xx/setup-i2c0.c > + * > + * 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/types.h> > + > +struct platform_device; /* don't need the contents */ > + > +#include <plat/iic.h> > + > +void s3c_i2c0_cfg_gpio(struct platform_device *dev) > +{ > + /* Will be populated later */ > +} > -- > 1.6.2.5 -- Ben Q: What's a light-year? A: One-third less calories than a regular year. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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