This patch adds support for Samsung S5P6442 CPU. This patch also adds an entry for S5P6442 cpu in plat-s5p cpu table.
Signed-off-by: Kukjin Kim <[email protected]> --- arch/arm/mach-s5p6442/Kconfig | 24 ++++ arch/arm/mach-s5p6442/Makefile | 19 ++++ arch/arm/mach-s5p6442/Makefile.boot | 2 + arch/arm/mach-s5p6442/cpu.c | 124 ++++++++++++++++++++++ arch/arm/mach-s5p6442/include/mach/debug-macro.S | 39 +++++++ arch/arm/mach-s5p6442/include/mach/entry-macro.S | 48 +++++++++ arch/arm/mach-s5p6442/include/mach/gpio.h | 123 +++++++++++++++++++++ arch/arm/mach-s5p6442/include/mach/hardware.h | 18 +++ arch/arm/mach-s5p6442/include/mach/map.h | 90 ++++++++++++++++ arch/arm/mach-s5p6442/include/mach/memory.h | 19 ++++ arch/arm/mach-s5p6442/include/mach/system.h | 26 +++++ arch/arm/mach-s5p6442/include/mach/uncompress.h | 24 ++++ arch/arm/mach-s5p6442/s5p6442-init.c | 44 ++++++++ arch/arm/plat-s5p/cpu.c | 15 +++ arch/arm/plat-s5p/include/plat/s5p6442.h | 37 +++++++ 15 files changed, 652 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-s5p6442/Kconfig create mode 100644 arch/arm/mach-s5p6442/Makefile create mode 100644 arch/arm/mach-s5p6442/Makefile.boot create mode 100644 arch/arm/mach-s5p6442/cpu.c create mode 100644 arch/arm/mach-s5p6442/include/mach/debug-macro.S create mode 100644 arch/arm/mach-s5p6442/include/mach/entry-macro.S create mode 100644 arch/arm/mach-s5p6442/include/mach/gpio.h create mode 100644 arch/arm/mach-s5p6442/include/mach/hardware.h create mode 100644 arch/arm/mach-s5p6442/include/mach/map.h create mode 100644 arch/arm/mach-s5p6442/include/mach/memory.h create mode 100644 arch/arm/mach-s5p6442/include/mach/system.h create mode 100644 arch/arm/mach-s5p6442/include/mach/uncompress.h create mode 100644 arch/arm/mach-s5p6442/s5p6442-init.c create mode 100644 arch/arm/plat-s5p/include/plat/s5p6442.h diff --git a/arch/arm/mach-s5p6442/Kconfig b/arch/arm/mach-s5p6442/Kconfig new file mode 100644 index 0000000..cc9fc4f --- /dev/null +++ b/arch/arm/mach-s5p6442/Kconfig @@ -0,0 +1,24 @@ +# arch/arm/mach-s5p6442/Kconfig +# +# Copyright (c) 2010 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Licensed under GPLv2 + +# Configuration options for the S5P6442 + +if ARCH_S5P6442 + +config CPU_S5P6442 + bool + select PLAT_S5P + help + Enable S5P6442 CPU support + +config MACH_SMDK6442 + bool "SMDK6442" + select CPU_S5P6442 + help + Machine support for the Samsung SMDK6442 + +endif diff --git a/arch/arm/mach-s5p6442/Makefile b/arch/arm/mach-s5p6442/Makefile new file mode 100644 index 0000000..b2271c0 --- /dev/null +++ b/arch/arm/mach-s5p6442/Makefile @@ -0,0 +1,19 @@ +# arch/arm/mach-s5p6442/Makefile +# +# Copyright (c) 2010 Samsung Electronics Co., Ltd. +# http://www.samsung.com/ +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := +obj- := + +# Core support for S5P6442 system + +obj-$(CONFIG_CPU_S5P6442) += cpu.o s5p6442-init.o s5p6442-clock.o + +# machine support + +obj-$(CONFIG_MACH_SMDK6442) += mach-smdk6442.o diff --git a/arch/arm/mach-s5p6442/Makefile.boot b/arch/arm/mach-s5p6442/Makefile.boot new file mode 100644 index 0000000..ff90aa1 --- /dev/null +++ b/arch/arm/mach-s5p6442/Makefile.boot @@ -0,0 +1,2 @@ + zreladdr-y := 0x20008000 +params_phys-y := 0x20000100 diff --git a/arch/arm/mach-s5p6442/cpu.c b/arch/arm/mach-s5p6442/cpu.c new file mode 100644 index 0000000..c559657 --- /dev/null +++ b/arch/arm/mach-s5p6442/cpu.c @@ -0,0 +1,124 @@ +/* linux/arch/arm/mach-s5p6442/cpu.c + * + * Copyright (c) 2010 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/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/s5p6442.h> + +/* Initial IO mappings */ + +static struct map_desc s5p6442_iodesc[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSTIMER, + .pfn = __phys_to_pfn(S5P6442_PA_SYSTIMER), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S5P_VA_VIC2, + .pfn = __phys_to_pfn(S5P6442_PA_VIC2), + .length = SZ_16K, + .type = MT_DEVICE, + } +}; + +static void s5p6442_idle(void) +{ + if (!need_resched()) + cpu_do_idle(); + + local_irq_enable(); +} + +/* s5p6442_map_io + * + * register the standard cpu IO areas +*/ + +void __init s5p6442_map_io(void) +{ + iotable_init(s5p6442_iodesc, ARRAY_SIZE(s5p6442_iodesc)); +} + +void __init s5p6442_init_clocks(int xtal) +{ + printk(KERN_DEBUG "%s: initializing clocks\n", __func__); + + s3c24xx_register_baseclocks(xtal); + s5p_register_clocks(xtal); + s5p6442_register_clocks(); + s5p6442_setup_clocks(); +} + +void __init s5p6442_init_irq(void) +{ + u32 vic[3]; /* S5P6442 supports 3 VIC */ + + /* VIC0: some interrupt reserved */ + vic[0] = 0x7FEFFFFF; + + /* VIC1: some interrupt reserved */ + vic[1] = 0x7F389C81; + + /* VIC2: some interrupt reserved */ + vic[2] = 0x1BBBCFFF; + + s5p_init_irq(vic, ARRAY_SIZE(vic)); +} + +static struct sysdev_class s5p6442_sysclass = { + .name = "s5p6442-core", +}; + +static struct sys_device s5p6442_sysdev = { + .cls = &s5p6442_sysclass, +}; + +static int __init s5p6442_core_init(void) +{ + return sysdev_class_register(&s5p6442_sysclass); +} + +core_initcall(s5p6442_core_init); + +int __init s5p6442_init(void) +{ + printk(KERN_INFO "S5P6442: Initializing architecture\n"); + + /* set idle function */ + pm_idle = s5p6442_idle; + + return sysdev_register(&s5p6442_sysdev); +} diff --git a/arch/arm/mach-s5p6442/include/mach/debug-macro.S b/arch/arm/mach-s5p6442/include/mach/debug-macro.S new file mode 100644 index 0000000..1b3ab4d --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/debug-macro.S @@ -0,0 +1,39 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/debug-macro.S + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S + * + * 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-s5p6442/include/mach/entry-macro.S b/arch/arm/mach-s5p6442/include/mach/entry-macro.S new file mode 100644 index 0000000..7932f45 --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/entry-macro.S @@ -0,0 +1,48 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Low-level IRQ helper macros for the Samsung S5P6442 + * + * 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 + + @ otherwise try vic2 + addeq \tmp, \base, #(S5P_VA_VIC2 - S5P_VA_VIC0) + addeq \irqnr, \irqnr, #32 + ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ] + teqeq \irqstat, #0 + + clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm diff --git a/arch/arm/mach-s5p6442/include/mach/gpio.h b/arch/arm/mach-s5p6442/include/mach/gpio.h new file mode 100644 index 0000000..b8715df --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/gpio.h @@ -0,0 +1,123 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/gpio.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - 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 S5P6442_GPIO_A0_NR (8) +#define S5P6442_GPIO_A1_NR (2) +#define S5P6442_GPIO_B_NR (4) +#define S5P6442_GPIO_C0_NR (5) +#define S5P6442_GPIO_C1_NR (5) +#define S5P6442_GPIO_D0_NR (2) +#define S5P6442_GPIO_D1_NR (6) +#define S5P6442_GPIO_E0_NR (8) +#define S5P6442_GPIO_E1_NR (5) +#define S5P6442_GPIO_F0_NR (8) +#define S5P6442_GPIO_F1_NR (8) +#define S5P6442_GPIO_F2_NR (8) +#define S5P6442_GPIO_F3_NR (6) +#define S5P6442_GPIO_G0_NR (7) +#define S5P6442_GPIO_G1_NR (7) +#define S5P6442_GPIO_G2_NR (7) +#define S5P6442_GPIO_H0_NR (8) +#define S5P6442_GPIO_H1_NR (8) +#define S5P6442_GPIO_H2_NR (8) +#define S5P6442_GPIO_H3_NR (8) +#define S5P6442_GPIO_J0_NR (8) +#define S5P6442_GPIO_J1_NR (6) +#define S5P6442_GPIO_J2_NR (8) +#define S5P6442_GPIO_J3_NR (8) +#define S5P6442_GPIO_J4_NR (5) + +/* 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 S5P6442_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) + +enum s5p_gpio_number { + S5P6442_GPIO_A0_START = 0, + S5P6442_GPIO_A1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A0), + S5P6442_GPIO_B_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A1), + S5P6442_GPIO_C0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_B), + S5P6442_GPIO_C1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C0), + S5P6442_GPIO_D0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C1), + S5P6442_GPIO_D1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D0), + S5P6442_GPIO_E0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D1), + S5P6442_GPIO_E1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E0), + S5P6442_GPIO_F0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E1), + S5P6442_GPIO_F1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F0), + S5P6442_GPIO_F2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F1), + S5P6442_GPIO_F3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F2), + S5P6442_GPIO_G0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F3), + S5P6442_GPIO_G1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G0), + S5P6442_GPIO_G2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G1), + S5P6442_GPIO_H0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G2), + S5P6442_GPIO_H1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H0), + S5P6442_GPIO_H2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H1), + S5P6442_GPIO_H3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H2), + S5P6442_GPIO_J0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H3), + S5P6442_GPIO_J1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J0), + S5P6442_GPIO_J2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J1), + S5P6442_GPIO_J3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J2), + S5P6442_GPIO_J4_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J3), +}; + +/* S5P6442 GPIO number definitions. */ +#define S5P6442_GPA0(_nr) (S5P6442_GPIO_A0_START + (_nr)) +#define S5P6442_GPA1(_nr) (S5P6442_GPIO_A1_START + (_nr)) +#define S5P6442_GPB(_nr) (S5P6442_GPIO_B_START + (_nr)) +#define S5P6442_GPC0(_nr) (S5P6442_GPIO_C0_START + (_nr)) +#define S5P6442_GPC1(_nr) (S5P6442_GPIO_C1_START + (_nr)) +#define S5P6442_GPD0(_nr) (S5P6442_GPIO_D0_START + (_nr)) +#define S5P6442_GPD1(_nr) (S5P6442_GPIO_D1_START + (_nr)) +#define S5P6442_GPE0(_nr) (S5P6442_GPIO_E0_START + (_nr)) +#define S5P6442_GPE1(_nr) (S5P6442_GPIO_E1_START + (_nr)) +#define S5P6442_GPF0(_nr) (S5P6442_GPIO_F0_START + (_nr)) +#define S5P6442_GPF1(_nr) (S5P6442_GPIO_F1_START + (_nr)) +#define S5P6442_GPF2(_nr) (S5P6442_GPIO_F2_START + (_nr)) +#define S5P6442_GPF3(_nr) (S5P6442_GPIO_F3_START + (_nr)) +#define S5P6442_GPG0(_nr) (S5P6442_GPIO_G0_START + (_nr)) +#define S5P6442_GPG1(_nr) (S5P6442_GPIO_G1_START + (_nr)) +#define S5P6442_GPG2(_nr) (S5P6442_GPIO_G2_START + (_nr)) +#define S5P6442_GPH0(_nr) (S5P6442_GPIO_H0_START + (_nr)) +#define S5P6442_GPH1(_nr) (S5P6442_GPIO_H1_START + (_nr)) +#define S5P6442_GPH2(_nr) (S5P6442_GPIO_H2_START + (_nr)) +#define S5P6442_GPH3(_nr) (S5P6442_GPIO_H3_START + (_nr)) +#define S5P6442_GPJ0(_nr) (S5P6442_GPIO_J0_START + (_nr)) +#define S5P6442_GPJ1(_nr) (S5P6442_GPIO_J1_START + (_nr)) +#define S5P6442_GPJ2(_nr) (S5P6442_GPIO_J2_START + (_nr)) +#define S5P6442_GPJ3(_nr) (S5P6442_GPIO_J3_START + (_nr)) +#define S5P6442_GPJ4(_nr) (S5P6442_GPIO_J4_START + (_nr)) + +/* the end of the S5P6442 specific gpios */ +#define S5P6442_GPIO_END (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + 1) +#define S3C_GPIO_END S5P6442_GPIO_END + +/* define the number of gpios we need to the one after the GPJ4() range */ +#define ARCH_NR_GPIOS (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + \ + CONFIG_SAMSUNG_GPIO_EXTRA + 1) + +#include <asm-generic/gpio.h> + +#endif /* __ASM_ARCH_GPIO_H */ diff --git a/arch/arm/mach-s5p6442/include/mach/hardware.h b/arch/arm/mach-s5p6442/include/mach/hardware.h new file mode 100644 index 0000000..8cd7b67 --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/hardware.h @@ -0,0 +1,18 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/hardware.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - 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-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h new file mode 100644 index 0000000..1575beb --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/map.h @@ -0,0 +1,90 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/map.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - 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> + +/* Chip ID */ +#define S5P6442_PA_CHIPID (0xE0000000) +#define S5P_PA_CHIPID S5P6442_PA_CHIPID +#define S5P_VA_CHIPID S3C_ADDR(0x00700000) + +/* SYSCON */ +#define S5P6442_PA_SYSCON (0xE0100000) +#define S5P_PA_SYSCON S5P6442_PA_SYSCON +#define S5P_VA_SYSCON S3C_VA_SYS + +/* GPIO */ +#define S5P6442_PA_GPIO (0xE0200000) +#define S5P_PA_GPIO S5P6442_PA_GPIO +#define S5P_VA_GPIO S3C_ADDR(0x00500000) + +/* VIC0 */ +#define S5P6442_PA_VIC0 (0xE4000000) +#define S5P_PA_VIC0 S5P6442_PA_VIC0 +#define S5P_VA_VIC0 (S3C_VA_IRQ + 0x00) + +/* VIC1 */ +#define S5P6442_PA_VIC1 (0xE4100000) +#define S5P_PA_VIC1 S5P6442_PA_VIC1 +#define S5P_VA_VIC1 (S3C_VA_IRQ + 0x10000) + +/* VIC2 */ +#define S5P6442_PA_VIC2 (0xE4200000) +#define S5P_PA_VIC2 S5P6442_PA_VIC2 +#define S5P_VA_VIC2 (S3C_VA_IRQ + 0x20000) + +/* TIMER */ +#define S5P6442_PA_TIMER (0xEA000000) +#define S5P_PA_TIMER S5P6442_PA_TIMER +#define S5P_VA_TIMER S3C_VA_TIMER + +/* SYSTEM TIMER */ +#define S5P6442_PA_SYSTIMER (0xEA100000) +#define S5P_PA_SYSTIMER S5P6442_PA_SYSTIMER +#define S5P_VA_SYSTIMER S3C_ADDR(0x01200000) + +/* UART */ +#define S5P6442_PA_UART (0xEC000000) +#define S5P_PA_UART S5P6442_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_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_SZ_UART SZ_256 + +/* I2C */ +#define S5P6442_PA_IIC0 (0xEC100000) +#define S5P_PA_IIC0 S5P6442_PA_IIC0 + +/* SDRAM */ +#define S5P6442_PA_SDRAM (0x20000000) +#define S5P_PA_SDRAM S5P6442_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-s5p6442/include/mach/memory.h b/arch/arm/mach-s5p6442/include/mach/memory.h new file mode 100644 index 0000000..9ddd877 --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/memory.h @@ -0,0 +1,19 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/memory.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - 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-s5p6442/include/mach/system.h b/arch/arm/mach-s5p6442/include/mach/system.h new file mode 100644 index 0000000..8bcd8ed --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/system.h @@ -0,0 +1,26 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/system.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - system support header + * + * 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_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H __FILE__ + +static void arch_idle(void) +{ + /* nothing here yet */ +} + +static void arch_reset(char mode, const char *cmd) +{ + /* nothing here yet */ +} + +#endif /* __ASM_ARCH_SYSTEM_H */ diff --git a/arch/arm/mach-s5p6442/include/mach/uncompress.h b/arch/arm/mach-s5p6442/include/mach/uncompress.h new file mode 100644 index 0000000..5ac7cbe --- /dev/null +++ b/arch/arm/mach-s5p6442/include/mach/uncompress.h @@ -0,0 +1,24 @@ +/* linux/arch/arm/mach-s5p6442/include/mach/uncompress.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P6442 - 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/mach-s5p6442/s5p6442-init.c b/arch/arm/mach-s5p6442/s5p6442-init.c new file mode 100644 index 0000000..1874bdb --- /dev/null +++ b/arch/arm/mach-s5p6442/s5p6442-init.c @@ -0,0 +1,44 @@ +/* linux/arch/arm/mach-s5p6442/s5p6442-init.c + * + * Copyright (c) 2010 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/s5p6442.h> +#include <plat/regs-serial.h> + +static struct s3c24xx_uart_clksrc s5p6442_serial_clocks[] = { + [0] = { + .name = "pclk", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + }, +}; + +/* uart registration process */ +void __init s5p6442_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 = s5p6442_serial_clocks; + tcfg->clocks_size = ARRAY_SIZE(s5p6442_serial_clocks); + } + } + + s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no); +} diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 0895a77..0ebf269 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -18,10 +18,12 @@ #include <mach/regs-clock.h> #include <plat/cpu.h> #include <plat/s5p6440.h> +#include <plat/s5p6442.h> /* table of supported CPUs */ static const char name_s5p6440[] = "S5P6440"; +static const char name_s5p6442[] = "S5P6442"; static struct cpu_table cpu_ids[] __initdata = { { @@ -32,6 +34,14 @@ static struct cpu_table cpu_ids[] __initdata = { .init_uarts = s5p6440_init_uarts, .init = s5p6440_init, .name = name_s5p6440, + }, { + .idcode = 0x36442000, + .idmask = 0xffffff00, + .map_io = s5p6442_map_io, + .init_clocks = s5p6442_init_clocks, + .init_uarts = s5p6442_init_uarts, + .init = s5p6442_init, + .name = name_s5p6442, }, }; @@ -41,6 +51,11 @@ static struct cpu_table cpu_ids[] __initdata = { static struct map_desc s5p_iodesc[] __initdata = { { + .virtual = (unsigned long)S5P_VA_CHIPID, + .pfn = __phys_to_pfn(S5P_PA_CHIPID), + .length = SZ_4K, + .type = MT_DEVICE, + }, { .virtual = (unsigned long)S5P_VA_SYSCON, .pfn = __phys_to_pfn(S5P_PA_SYSCON), .length = SZ_64K, diff --git a/arch/arm/plat-s5p/include/plat/s5p6442.h b/arch/arm/plat-s5p/include/plat/s5p6442.h new file mode 100644 index 0000000..40cea40 --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/s5p6442.h @@ -0,0 +1,37 @@ +/* arch/arm/plat-s5p/include/plat/s5p6442.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Header file for s5p6442 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 S5PV210 related SoCs */ + +extern void s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s5p6442_register_clocks(void); +extern void s5p6442_setup_clocks(void); + +#ifdef CONFIG_CPU_S5P6442 + +extern int s5p6442_init(void); +extern void s5p6442_init_irq(void); +extern void s5p6442_map_io(void); +extern void s5p6442_init_clocks(int xtal); + +#define s5p6442_init_uarts s5p6442_common_init_uarts + +#else +#define s5p6442_init_clocks NULL +#define s5p6442_init_uarts NULL +#define s5p6442_map_io NULL +#define s5p6442_init NULL +#endif + +/* S5P6442 timer */ + +extern struct sys_timer s5p6442_timer; -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
