On Fri, Jul 16, 2010 at 5:58 PM, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote: > From: Changhwan Youn <chaos.youn@xxxxxxxxxxx> > > This patch adds Samsung's S5PV310/S5PC210 CPU support. > The S5PV310/S5PC210 integrates a ARM Cortex A9 multi-core. > > Signed-off-by: Changhwan Youn <chaos.youn@xxxxxxxxxxx> > Signed-off-by: Jongpill Lee <boyko.lee@xxxxxxxxxxx> > Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx> > --- > arch/arm/mach-s5pv310/cpu.c | 122 +++++++++++++ > arch/arm/mach-s5pv310/headsmp.S | 41 ++++ > arch/arm/mach-s5pv310/include/mach/debug-macro.S | 36 ++++ > arch/arm/mach-s5pv310/include/mach/entry-macro.S | 84 +++++++++ > arch/arm/mach-s5pv310/include/mach/gpio.h | 135 ++++++++++++++ > arch/arm/mach-s5pv310/include/mach/hardware.h | 18 ++ > arch/arm/mach-s5pv310/include/mach/io.h | 26 +++ > arch/arm/mach-s5pv310/include/mach/map.h | 66 +++++++ > arch/arm/mach-s5pv310/include/mach/memory.h | 22 +++ > arch/arm/mach-s5pv310/include/mach/smp.h | 29 +++ > arch/arm/mach-s5pv310/include/mach/system.h | 22 +++ > arch/arm/mach-s5pv310/include/mach/timex.h | 29 +++ > arch/arm/mach-s5pv310/include/mach/uncompress.h | 27 +++ > arch/arm/mach-s5pv310/include/mach/vmalloc.h | 22 +++ > arch/arm/mach-s5pv310/init.c | 41 ++++ > arch/arm/mach-s5pv310/platsmp.c | 212 ++++++++++++++++++++++ > arch/arm/mach-s5pv310/setup-i2c0.c | 20 ++ > arch/arm/plat-s5p/cpu.c | 12 ++ > arch/arm/plat-s5p/include/plat/map-s5p.h | 12 ++ > arch/arm/plat-s5p/include/plat/s5pv310.h | 33 ++++ > 20 files changed, 1009 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-s5pv310/cpu.c > create mode 100644 arch/arm/mach-s5pv310/headsmp.S > create mode 100644 arch/arm/mach-s5pv310/include/mach/debug-macro.S > create mode 100644 arch/arm/mach-s5pv310/include/mach/entry-macro.S > create mode 100644 arch/arm/mach-s5pv310/include/mach/gpio.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/hardware.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/io.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/map.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/memory.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/smp.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/system.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/timex.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/uncompress.h > create mode 100644 arch/arm/mach-s5pv310/include/mach/vmalloc.h > create mode 100644 arch/arm/mach-s5pv310/init.c > create mode 100644 arch/arm/mach-s5pv310/platsmp.c > create mode 100644 arch/arm/mach-s5pv310/setup-i2c0.c > create mode 100644 arch/arm/plat-s5p/include/plat/s5pv310.h > > diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c > new file mode 100644 > index 0000000..196c9f1 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/cpu.c > @@ -0,0 +1,122 @@ > +/* linux/arch/arm/mach-s5pv310/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/sched.h> > +#include <linux/sysdev.h> > + > +#include <asm/mach/map.h> > +#include <asm/mach/irq.h> > + > +#include <asm/proc-fns.h> > + > +#include <plat/cpu.h> > +#include <plat/clock.h> > +#include <plat/s5pv310.h> > + > +#include <mach/regs-irq.h> > + > +void __iomem *gic_cpu_base_addr; > + > +extern int combiner_init(unsigned int combiner_nr, void __iomem *base, > + unsigned int irq_start); > +extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq); > + > +/* Initial IO mappings */ > +static struct map_desc s5pv310_iodesc[] __initdata = { > + { > + .virtual = (unsigned long)S5P_VA_COREPERI_BASE, > + .pfn = __phys_to_pfn(S5PV310_PA_COREPERI), > + .length = SZ_8K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_COMBINER_BASE, > + .pfn = __phys_to_pfn(S5PV310_PA_COMBINER), > + .length = SZ_4K, > + .type = MT_DEVICE, > + }, { > + .virtual = (unsigned long)S5P_VA_L2CC, > + .pfn = __phys_to_pfn(S5PV310_PA_L2CC), > + .length = SZ_4K, > + .type = MT_DEVICE, > + }, > +}; > + > +static void s5pv310_idle(void) > +{ > + if (!need_resched()) > + cpu_do_idle(); > + > + local_irq_enable(); > +} > + > +/* s5pv310_map_io > + * > + * register the standard cpu IO areas > +*/ > +void __init s5pv310_map_io(void) > +{ > + iotable_init(s5pv310_iodesc, ARRAY_SIZE(s5pv310_iodesc)); > +} > + > +void __init s5pv310_init_clocks(int xtal) > +{ > + printk(KERN_DEBUG "%s: initializing clocks\n", __func__); > + > + s3c24xx_register_baseclocks(xtal); > + s5p_register_clocks(xtal); > + s5pv310_register_clocks(); > + s5pv310_setup_clocks(); > +} > + > +void __init s5pv310_init_irq(void) > +{ > + int irq; > + > + gic_cpu_base_addr = S5P_VA_GIC_CPU; > + gic_dist_init(0, S5P_VA_GIC_DIST, IRQ_LOCALTIMER); > + gic_cpu_init(0, S5P_VA_GIC_CPU); > + > + for (irq = 0; irq < MAX_COMBINER_NR; irq++) { > + combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq), > + COMBINER_IRQ(irq, 0)); > + combiner_cascade_irq(irq, IRQ_SPI(irq)); > + } > + > + /* The parameters of s5p_init_irq() are for VIC init. > + * Theses parameters should be NULL and 0 because S5PV310 > + * uses GIC instead of VIC. > + */ > + s5p_init_irq(NULL, 0); > +} > + > +struct sysdev_class s5pv310_sysclass = { > + .name = "s5pv310-core", > +}; > + > +static struct sys_device s5pv310_sysdev = { > + .cls = &s5pv310_sysclass, > +}; > + > +static int __init s5pv310_core_init(void) > +{ > + return sysdev_class_register(&s5pv310_sysclass); > +} > + > +core_initcall(s5pv310_core_init); How about to call core_init at below? To make a single kernel we need to remove core_initcall before cpu ID detection. > + > +int __init s5pv310_init(void) > +{ > + printk(KERN_INFO "S5PV310: Initializing architecture\n"); > + > + /* set idle function */ > + pm_idle = s5pv310_idle; > + > + return sysdev_register(&s5pv310_sysdev); > +} > diff --git a/arch/arm/mach-s5pv310/headsmp.S b/arch/arm/mach-s5pv310/headsmp.S > new file mode 100644 > index 0000000..164b7b0 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/headsmp.S > @@ -0,0 +1,41 @@ > +/* > + * linux/arch/arm/mach-s5pv310/headsmp.S > + * > + * Cloned from linux/arch/arm/mach-realview/headsmp.S > + * > + * Copyright (c) 2003 ARM Limited > + * All Rights Reserved > + * > + * 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/linkage.h> > +#include <linux/init.h> > + > + __INIT > + > +/* > + * s5pv310 specific entry point for secondary CPUs. This provides > + * a "holding pen" into which all secondary cores are held until we're > + * ready for them to initialise. > + */ > +ENTRY(s5pv310_secondary_startup) > + mrc p15, 0, r0, c0, c0, 5 > + and r0, r0, #15 > + adr r4, 1f > + ldmia r4, {r5, r6} > + sub r4, r4, r5 > + add r6, r6, r4 > +pen: ldr r7, [r6] > + cmp r7, r0 > + bne pen > + > + /* > + * we've been released from the holding pen: secondary_stack > + * should now contain the SVC stack for this core > + */ > + b secondary_startup > + > +1: .long . > + .long pen_release > diff --git a/arch/arm/mach-s5pv310/include/mach/debug-macro.S b/arch/arm/mach-s5pv310/include/mach/debug-macro.S > new file mode 100644 > index 0000000..6fb3893 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/debug-macro.S > @@ -0,0 +1,36 @@ > +/* linux/arch/arm/mach-s5pv310/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> > + > + /* 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, tmp > + mrc p15, 0, \rx, c1, c0 > + tst \rx, #1 > + ldreq \rx, = S3C_PA_UART > + ldrne \rx, = S3C_VA_UART > +#if CONFIG_DEBUG_S3C_UART != 0 > + add \rx, \rx, #(0x10000 * CONFIG_DEBUG_S3C_UART) > +#endif > + .endm > + > +#define fifo_full fifo_full_s5pv210 > +#define fifo_level fifo_level_s5pv210 > + > +#include <plat/debug-macro.S> > diff --git a/arch/arm/mach-s5pv310/include/mach/entry-macro.S b/arch/arm/mach-s5pv310/include/mach/entry-macro.S > new file mode 100644 > index 0000000..e600e1d > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/entry-macro.S > @@ -0,0 +1,84 @@ > +/* arch/arm/mach-s5pv310/include/mach/entry-macro.S > + * > + * Cloned from arch/arm/mach-realview/include/mach/entry-macro.S > + * > + * Low-level IRQ helper macros for S5PV310 platforms > + * > + * This file is licensed under the terms of the GNU General Public > + * License version 2. This program is licensed "as is" without any > + * warranty of any kind, whether express or implied. > +*/ > + > +#include <mach/hardware.h> > +#include <asm/hardware/gic.h> > + > + .macro disable_fiq > + .endm > + > + .macro get_irqnr_preamble, base, tmp > + ldr \base, =gic_cpu_base_addr > + ldr \base, [\base] > + .endm > + > + .macro arch_ret_to_user, tmp1, tmp2 > + .endm > + > + /* > + * The interrupt numbering scheme is defined in the > + * interrupt controller spec. To wit: > + * > + * Interrupts 0-15 are IPI > + * 16-28 are reserved > + * 29-31 are local. We allow 30 to be used for the watchdog. > + * 32-1020 are global > + * 1021-1022 are reserved > + * 1023 is "spurious" (no interrupt) > + * > + * For now, we ignore all local interrupts so only return an interrupt if it's > + * between 30 and 1020. The test_for_ipi routine below will pick up on IPIs. > + * > + * A simple read from the controller will tell us the number of the highest > + * priority enabled interrupt. We then just need to check whether it is in the > + * valid range for an IRQ (30-1020 inclusive). > + */ > + > + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp > + > + ldr \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */ > + > + ldr \tmp, =1021 > + > + bic \irqnr, \irqstat, #0x1c00 > + > + cmp \irqnr, #29 > + cmpcc \irqnr, \irqnr > + cmpne \irqnr, \tmp > + cmpcs \irqnr, \irqnr > + addne \irqnr, \irqnr, #32 > + > + .endm > + > + /* We assume that irqstat (the raw value of the IRQ acknowledge > + * register) is preserved from the macro above. > + * If there is an IPI, we immediately signal end of interrupt on the > + * controller, since this requires the original irqstat value which > + * we won't easily be able to recreate later. > + */ > + > + .macro test_for_ipi, irqnr, irqstat, base, tmp > + bic \irqnr, \irqstat, #0x1c00 > + cmp \irqnr, #16 > + strcc \irqstat, [\base, #GIC_CPU_EOI] > + cmpcs \irqnr, \irqnr > + .endm > + > + /* As above, this assumes that irqstat and base are preserved.. */ > + > + .macro test_for_ltirq, irqnr, irqstat, base, tmp > + bic \irqnr, \irqstat, #0x1c00 > + mov \tmp, #0 > + cmp \irqnr, #29 > + moveq \tmp, #1 > + streq \irqstat, [\base, #GIC_CPU_EOI] > + cmp \tmp, #0 > + .endm > diff --git a/arch/arm/mach-s5pv310/include/mach/gpio.h b/arch/arm/mach-s5pv310/include/mach/gpio.h > new file mode 100644 > index 0000000..20cb80c > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/gpio.h > @@ -0,0 +1,135 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/gpio.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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 > + > +/* Practically, GPIO banks upto GPZ are the configurable gpio banks */ > + > +/* GPIO bank sizes */ > +#define S5PV310_GPIO_A0_NR (8) > +#define S5PV310_GPIO_A1_NR (6) > +#define S5PV310_GPIO_B_NR (8) > +#define S5PV310_GPIO_C0_NR (5) > +#define S5PV310_GPIO_C1_NR (5) > +#define S5PV310_GPIO_D0_NR (4) > +#define S5PV310_GPIO_D1_NR (4) > +#define S5PV310_GPIO_E0_NR (5) > +#define S5PV310_GPIO_E1_NR (8) > +#define S5PV310_GPIO_E2_NR (6) > +#define S5PV310_GPIO_E3_NR (8) > +#define S5PV310_GPIO_E4_NR (8) > +#define S5PV310_GPIO_F0_NR (8) > +#define S5PV310_GPIO_F1_NR (8) > +#define S5PV310_GPIO_F2_NR (8) > +#define S5PV310_GPIO_F3_NR (6) > +#define S5PV310_GPIO_J0_NR (8) > +#define S5PV310_GPIO_J1_NR (5) > +#define S5PV310_GPIO_K0_NR (7) > +#define S5PV310_GPIO_K1_NR (7) > +#define S5PV310_GPIO_K2_NR (7) > +#define S5PV310_GPIO_K3_NR (7) > +#define S5PV310_GPIO_L0_NR (8) > +#define S5PV310_GPIO_L1_NR (3) > +#define S5PV310_GPIO_L2_NR (8) > +#define S5PV310_GPIO_X0_NR (8) > +#define S5PV310_GPIO_X1_NR (8) > +#define S5PV310_GPIO_X2_NR (8) > +#define S5PV310_GPIO_X3_NR (8) > +#define S5PV310_GPIO_Z_NR (7) > + > +/* GPIO bank numbers */ > + > +#define S5PV310_GPIO_NEXT(__gpio) \ > + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1) > + > +enum s5p_gpio_number { > + S5PV310_GPIO_A0_START = 0, > + S5PV310_GPIO_A1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_A0), > + S5PV310_GPIO_B_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_A1), > + S5PV310_GPIO_C0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_B), > + S5PV310_GPIO_C1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_C0), > + S5PV310_GPIO_D0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_C1), > + S5PV310_GPIO_D1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_D0), > + S5PV310_GPIO_E0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_D1), > + S5PV310_GPIO_E1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_E0), > + S5PV310_GPIO_E2_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_E1), > + S5PV310_GPIO_E3_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_E2), > + S5PV310_GPIO_E4_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_E3), > + S5PV310_GPIO_F0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_E4), > + S5PV310_GPIO_F1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_F0), > + S5PV310_GPIO_F2_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_F1), > + S5PV310_GPIO_F3_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_F2), > + S5PV310_GPIO_J0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_F3), > + S5PV310_GPIO_J1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_J0), > + S5PV310_GPIO_K0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_J1), > + S5PV310_GPIO_K1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_K0), > + S5PV310_GPIO_K2_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_K1), > + S5PV310_GPIO_K3_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_K2), > + S5PV310_GPIO_L0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_K3), > + S5PV310_GPIO_L1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_L0), > + S5PV310_GPIO_L2_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_L1), > + S5PV310_GPIO_X0_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_L2), > + S5PV310_GPIO_X1_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_X0), > + S5PV310_GPIO_X2_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_X1), > + S5PV310_GPIO_X3_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_X2), > + S5PV310_GPIO_Z_START = S5PV310_GPIO_NEXT(S5PV310_GPIO_X3), > +}; > + > +/* S5PV310 GPIO number definitions */ > +#define S5PV310_GPA0(_nr) (S5PV310_GPIO_A0_START + (_nr)) > +#define S5PV310_GPA1(_nr) (S5PV310_GPIO_A1_START + (_nr)) > +#define S5PV310_GPB(_nr) (S5PV310_GPIO_B_START + (_nr)) > +#define S5PV310_GPC0(_nr) (S5PV310_GPIO_C0_START + (_nr)) > +#define S5PV310_GPC1(_nr) (S5PV310_GPIO_C1_START + (_nr)) > +#define S5PV310_GPD0(_nr) (S5PV310_GPIO_D0_START + (_nr)) > +#define S5PV310_GPD1(_nr) (S5PV310_GPIO_D1_START + (_nr)) > +#define S5PV310_GPE0(_nr) (S5PV310_GPIO_E0_START + (_nr)) > +#define S5PV310_GPE1(_nr) (S5PV310_GPIO_E1_START + (_nr)) > +#define S5PV310_GPE2(_nr) (S5PV310_GPIO_E2_START + (_nr)) > +#define S5PV310_GPE3(_nr) (S5PV310_GPIO_E3_START + (_nr)) > +#define S5PV310_GPE4(_nr) (S5PV310_GPIO_E4_START + (_nr)) > +#define S5PV310_GPF0(_nr) (S5PV310_GPIO_F0_START + (_nr)) > +#define S5PV310_GPF1(_nr) (S5PV310_GPIO_F1_START + (_nr)) > +#define S5PV310_GPF2(_nr) (S5PV310_GPIO_F2_START + (_nr)) > +#define S5PV310_GPF3(_nr) (S5PV310_GPIO_F3_START + (_nr)) > +#define S5PV310_GPJ0(_nr) (S5PV310_GPIO_J0_START + (_nr)) > +#define S5PV310_GPJ1(_nr) (S5PV310_GPIO_J1_START + (_nr)) > +#define S5PV310_GPK0(_nr) (S5PV310_GPIO_K0_START + (_nr)) > +#define S5PV310_GPK1(_nr) (S5PV310_GPIO_K1_START + (_nr)) > +#define S5PV310_GPK2(_nr) (S5PV310_GPIO_K2_START + (_nr)) > +#define S5PV310_GPK3(_nr) (S5PV310_GPIO_K3_START + (_nr)) > +#define S5PV310_GPL0(_nr) (S5PV310_GPIO_L0_START + (_nr)) > +#define S5PV310_GPL1(_nr) (S5PV310_GPIO_L1_START + (_nr)) > +#define S5PV310_GPL2(_nr) (S5PV310_GPIO_L2_START + (_nr)) > +#define S5PV310_GPX0(_nr) (S5PV310_GPIO_X0_START + (_nr)) > +#define S5PV310_GPX1(_nr) (S5PV310_GPIO_X1_START + (_nr)) > +#define S5PV310_GPX2(_nr) (S5PV310_GPIO_X2_START + (_nr)) > +#define S5PV310_GPX3(_nr) (S5PV310_GPIO_X3_START + (_nr)) > +#define S5PV310_GPZ(_nr) (S5PV310_GPIO_Z_START + (_nr)) > + > +/* the end of the S5PV310 specific gpios */ > +#define S5PV310_GPIO_END (S5PV310_GPZ(S5PV310_GPIO_Z_NR) + 1) > +#define S3C_GPIO_END S5PV310_GPIO_END > + > +/* define the number of gpios we need to the one after the GPZ() range */ > +#define ARCH_NR_GPIOS (S5PV310_GPZ(S5PV310_GPIO_Z_NR) + \ > + CONFIG_SAMSUNG_GPIO_EXTRA + 1) > + > +#include <asm-generic/gpio.h> > + > +#endif /* __ASM_ARCH_GPIO_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/hardware.h b/arch/arm/mach-s5pv310/include/mach/hardware.h > new file mode 100644 > index 0000000..28ff988 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/hardware.h > @@ -0,0 +1,18 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/hardware.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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-s5pv310/include/mach/io.h b/arch/arm/mach-s5pv310/include/mach/io.h > new file mode 100644 > index 0000000..8a7f912 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/io.h > @@ -0,0 +1,26 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/io.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Copyright 2008-2010 Ben Dooks <ben-linux@xxxxxxxxx> > + * > + * Based on arch/arm/mach-s5p6442/include/mach/io.h > + * > + * Default IO routines for S5PV310 > + * > + * 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_ARM_ARCH_IO_H > +#define __ASM_ARM_ARCH_IO_H __FILE__ > + > +/* No current ISA/PCI bus support. */ > +#define __io(a) __typesafe_io(a) > +#define __mem_pci(a) (a) > + > +#define IO_SPACE_LIMIT (0xFFFFFFFF) > + > +#endif /* __ASM_ARM_ARCH_IO_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h > new file mode 100644 > index 0000000..50e0901 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/map.h > @@ -0,0 +1,66 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/map.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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> > + > +/* > + * S5PV310 UART offset is 0x10000 but the older S5P SoCs are 0x400. > + * So need to define it, and here is to avoid redefinition warning. > + */ > +#define S3C_UART_OFFSET (0x10000) > + > +#include <plat/map-s5p.h> > + > +#define S5PV310_PA_CHIPID (0x10000000) > +#define S5P_PA_CHIPID S5PV310_PA_CHIPID > + > +#define S5PV310_PA_SYSCON (0x10020000) > +#define S5P_PA_SYSCON S5PV310_PA_SYSCON > + > +#define S5PV310_PA_COMBINER (0x10448000) > + > +#define S5PV310_PA_COREPERI (0x10500000) > +#define S5PV310_PA_GIC_CPU (0x10500100) > +#define S5PV310_PA_TWD (0x10500600) > +#define S5PV310_PA_GIC_DIST (0x10501000) > +#define S5PV310_PA_L2CC (0x10502000) > + > +#define S5PV310_PA_GPIO (0x11000000) > +#define S5P_PA_GPIO S5PV310_PA_GPIO > + > +#define S5PV310_PA_UART (0x13800000) > + > +#define S5P_PA_UART(x) (S5PV310_PA_UART + ((x) * S3C_UART_OFFSET)) > +#define S5P_PA_UART0 S5P_PA_UART(0) > +#define S5P_PA_UART1 S5P_PA_UART(1) > +#define S5P_PA_UART2 S5P_PA_UART(2) > +#define S5P_PA_UART3 S5P_PA_UART(3) > +#define S5P_PA_UART4 S5P_PA_UART(4) > + > +#define S5P_SZ_UART SZ_256 > + > +#define S5PV310_PA_IIC0 (0x13860000) > + > +#define S5PV310_PA_TIMER (0x139D0000) > +#define S5P_PA_TIMER S5PV310_PA_TIMER > + > +#define S5PV310_PA_SDRAM (0x40000000) > +#define S5P_PA_SDRAM S5PV310_PA_SDRAM > + > +/* compatibiltiy defines. */ > +#define S3C_PA_UART S5PV310_PA_UART > +#define S3C_PA_IIC S5PV310_PA_IIC0 > + > +#endif /* __ASM_ARCH_MAP_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/memory.h b/arch/arm/mach-s5pv310/include/mach/memory.h > new file mode 100644 > index 0000000..1dffb48 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/memory.h > @@ -0,0 +1,22 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/memory.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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 __FILE__ > + > +#define PHYS_OFFSET UL(0x40000000) > + > +/* Maximum of 256MiB in one bank */ > +#define MAX_PHYSMEM_BITS 32 > +#define SECTION_SIZE_BITS 28 > + > +#endif /* __ASM_ARCH_MEMORY_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h > new file mode 100644 > index 0000000..990f3ba > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/smp.h > @@ -0,0 +1,29 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/smp.h > + * > + * Cloned from arch/arm/mach-realview/include/mach/smp.h > +*/ > + > +#ifndef ASM_ARCH_SMP_H > +#define ASM_ARCH_SMP_H __FILE__ > + > +#include <asm/hardware/gic.h> > + > +extern void __iomem *gic_cpu_base_addr; > + > +#define hard_smp_processor_id() \ > + ({ \ > + unsigned int cpunum; \ > + __asm__("mrc p15, 0, %0, c0, c0, 5" \ > + : "=r" (cpunum)); \ > + cpunum &= 0x03; \ > + }) > + > +/* > + * We use IRQ1 as the IPI > + */ > +static inline void smp_cross_call(const struct cpumask *mask) > +{ > + gic_raise_softirq(mask, 1); > +} > + > +#endif > diff --git a/arch/arm/mach-s5pv310/include/mach/system.h b/arch/arm/mach-s5pv310/include/mach/system.h > new file mode 100644 > index 0000000..d10c009 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/system.h > @@ -0,0 +1,22 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/system.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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__ > + > +#include <plat/system-reset.h> > + > +static void arch_idle(void) > +{ > + /* nothing here yet */ > +} > +#endif /* __ASM_ARCH_SYSTEM_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/timex.h b/arch/arm/mach-s5pv310/include/mach/timex.h > new file mode 100644 > index 0000000..bd2359b > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/timex.h > @@ -0,0 +1,29 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/timex.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Copyright (c) 2003-2010 Simtec Electronics > + * Ben Dooks <ben@xxxxxxxxxxxx> > + * > + * Based on arch/arm/mach-s5p6442/include/mach/timex.h > + * > + * S5PV310 - time parameters > + * > + * 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_TIMEX_H > +#define __ASM_ARCH_TIMEX_H __FILE__ > + > +/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it > + * a variable is useless. It seems as long as we make our timers an > + * exact multiple of HZ, any value that makes a 1->1 correspondence > + * for the time conversion functions to/from jiffies is acceptable. > +*/ > + > +#define CLOCK_TICK_RATE 12000000 > + > +#endif /* __ASM_ARCH_TIMEX_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/uncompress.h b/arch/arm/mach-s5pv310/include/mach/uncompress.h > new file mode 100644 > index 0000000..ad88c24 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/uncompress.h > @@ -0,0 +1,27 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/uncompress.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * S5PV310 - 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 __FILE__ > + > +#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. */ > + > + fifo_mask = S5PV210_UFSTAT_TXMASK; > + fifo_max = 63 << S5PV210_UFSTAT_TXSHIFT; > +} > + > +#endif /* __ASM_ARCH_UNCOMPRESS_H */ > diff --git a/arch/arm/mach-s5pv310/include/mach/vmalloc.h b/arch/arm/mach-s5pv310/include/mach/vmalloc.h > new file mode 100644 > index 0000000..426d997 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/include/mach/vmalloc.h > @@ -0,0 +1,22 @@ > +/* linux/arch/arm/mach-s5pv310/include/mach/vmalloc.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Copyright 2010 Ben Dooks <ben-linux@xxxxxxxxx> > + * > + * Based on arch/arm/mach-s5p6440/include/mach/vmalloc.h > + * > + * 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. > + * > + * S5PV310 vmalloc definition > +*/ > + > +#ifndef __ASM_ARCH_VMALLOC_H > +#define __ASM_ARCH_VMALLOC_H __FILE__ > + > +#define VMALLOC_END (0xE0000000) If there's no different reason to use 0xE000'0000, how about to use 0xF000'0000? I hope to delay using HIGHMEM as possible > + > +#endif /* __ASM_ARCH_VMALLOC_H */ > diff --git a/arch/arm/mach-s5pv310/init.c b/arch/arm/mach-s5pv310/init.c > new file mode 100644 > index 0000000..182dcf4 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/init.c > @@ -0,0 +1,41 @@ > +/* linux/arch/arm/mach-s5pv310/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/serial_core.h> > + > +#include <plat/cpu.h> > +#include <plat/devs.h> > +#include <plat/regs-serial.h> > + > +static struct s3c24xx_uart_clksrc s5pv310_serial_clocks[] = { > + [0] = { > + .name = "uclk1", > + .divisor = 1, > + .min_baud = 0, > + .max_baud = 0, > + }, > +}; > + > +/* uart registration process */ > +void __init s5pv310_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->has_fracval = 1; > + tcfg->clocks = s5pv310_serial_clocks; > + tcfg->clocks_size = ARRAY_SIZE(s5pv310_serial_clocks); > + } > + } > + > + s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no); > +} > diff --git a/arch/arm/mach-s5pv310/platsmp.c b/arch/arm/mach-s5pv310/platsmp.c > new file mode 100644 > index 0000000..9325ac2 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/platsmp.c > @@ -0,0 +1,212 @@ > +/* linux/arch/arm/mach-s5pv310/platsmp.c > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Cloned from linux/arch/arm/mach-realview/platsmp.c > + * > + * Copyright (C) 2002 ARM Ltd. > + * All Rights Reserved > + * > + * 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/errno.h> > +#include <linux/delay.h> > +#include <linux/device.h> > +#include <linux/jiffies.h> > +#include <linux/smp.h> > +#include <linux/io.h> > + > +#include <asm/cacheflush.h> > +#include <mach/hardware.h> > +#include <asm/mach-types.h> > +#include <asm/localtimer.h> > +#include <asm/unified.h> > + > +#include <asm/smp_scu.h> > +#include <mach/regs-clock.h> > + > +extern void s5pv310_secondary_startup(void); > + > +/* > + * control for which core is the next to come out of the secondary > + * boot "holding pen" > + */ > +volatile int __cpuinitdata pen_release = -1; > + > +static void __iomem *scu_base_addr(void) > +{ > + return (void __iomem *)(S5P_VA_SCU); > +} > + > +static inline unsigned int get_core_count(void) > +{ > + void __iomem *scu_base = scu_base_addr(); > + if (scu_base) > + return scu_get_core_count(scu_base); > + return 1; > +} > + > +static DEFINE_SPINLOCK(boot_lock); > + > +void __cpuinit platform_secondary_init(unsigned int cpu) > +{ > + trace_hardirqs_off(); > + > + /* > + * if any interrupts are already enabled for the primary > + * core (e.g. timer irq), then they will not have been enabled > + * for us: do so > + */ > + gic_cpu_init(0, gic_cpu_base_addr); > + > + /* > + * let the primary processor know we're out of the > + * pen, then head off into the C entry point > + */ > + pen_release = -1; > + smp_wmb(); > + > + /* > + * Synchronise with the boot thread. > + */ > + spin_lock(&boot_lock); > + spin_unlock(&boot_lock); > +} > + > +int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) > +{ > + unsigned long timeout; > + > + /* > + * set synchronisation state between this boot processor > + * and the secondary one > + */ > + spin_lock(&boot_lock); > + > + /* > + * The secondary processor is waiting to be released from > + * the holding pen - release it, then wait for it to flag > + * that it has been released by resetting pen_release. > + * > + * Note that "pen_release" is the hardware CPU ID, whereas > + * "cpu" is Linux's internal ID. > + */ > + pen_release = cpu; > + flush_cache_all(); > + > + /* > + * XXX > + * > + * This is a later addition to the booting protocol: the > + * bootMonitor now puts secondary cores into WFI, so > + * poke_milo() no longer gets the cores moving; we need > + * to send a soft interrupt to wake the secondary core. > + * Use smp_cross_call() for this, since there's little > + * point duplicating the code here > + */ > + smp_cross_call(cpumask_of(cpu)); > + > + timeout = jiffies + (1 * HZ); > + while (time_before(jiffies, timeout)) { > + smp_rmb(); > + if (pen_release == -1) > + break; > + > + udelay(10); > + } > + > + /* > + * now the secondary core is starting up let it run its > + * calibrations, then wait for it to finish > + */ > + spin_unlock(&boot_lock); > + > + return pen_release != -1 ? -ENOSYS : 0; > +} > + > +static void __init poke_milo(void) > +{ > + /* nobody is to be released from the pen yet */ > + pen_release = -1; > + > + /* > + * Write the address of secondary startup into the system-wide flags > + * register. The BootMonitor waits for this register to become > + * non-zero. > + */ > + __raw_writel(BSYM(virt_to_phys(s5pv310_secondary_startup)), S5P_INFORM0); > + > + mb(); > +} > + > +/* > + * Initialise the CPU possible map early - this describes the CPUs > + * which may be present or become present in the system. > + */ > +void __init smp_init_cpus(void) > +{ > + unsigned int i, ncores = get_core_count(); > + > + for (i = 0; i < ncores; i++) > + set_cpu_possible(i, true); > +} > + > +void __init smp_prepare_cpus(unsigned int max_cpus) > +{ > + unsigned int ncores = get_core_count(); > + unsigned int cpu = smp_processor_id(); > + int i; > + > + /* sanity check */ > + if (ncores == 0) { > + printk(KERN_ERR > + "Realview: strange CM count of 0? Default to 1\n"); > + > + ncores = 1; > + } > + > + if (ncores > NR_CPUS) { > + printk(KERN_WARNING > + "Realview: no. of cores (%d) greater than configured " > + "maximum of %d - clipping\n", > + ncores, NR_CPUS); > + ncores = NR_CPUS; > + } > + > + smp_store_cpu_info(cpu); > + > + /* > + * are we trying to boot more cores than exist? > + */ > + if (max_cpus > ncores) > + max_cpus = ncores; > + > + /* > + * Initialise the present map, which describes the set of CPUs > + * actually populated at the present time. > + */ > + for (i = 0; i < max_cpus; i++) > + set_cpu_present(i, true); > + > + /* > + * Initialise the SCU if there are more than one CPU and let > + * them know where to start. Note that, on modern versions of > + * MILO, the "poke" doesn't actually do anything until each > + * individual core is sent a soft interrupt to get it out of > + * WFI > + */ > + if (max_cpus > 1) { > + /* > + * Enable the local timer or broadcast device for the > + * boot CPU, but only if we have more than one CPU. > + */ > + percpu_timer_setup(); > + > + scu_enable(scu_base_addr()); > + poke_milo(); > + } > +} > diff --git a/arch/arm/mach-s5pv310/setup-i2c0.c b/arch/arm/mach-s5pv310/setup-i2c0.c > new file mode 100644 > index 0000000..d4f5a81 > --- /dev/null > +++ b/arch/arm/mach-s5pv310/setup-i2c0.c > @@ -0,0 +1,20 @@ > +/* linux/arch/arm/mach-s5pv210/setup-i2c0.c > + * > + * Copyright (c) 2009-2010 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. > +*/ > + > +struct platform_device; /* don't need the contents */ > + > +void s3c_i2c0_cfg_gpio(struct platform_device *dev) > +{ > +/* will be implemented later */ > +} > diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c > index c478441..9261a27 100644 > --- a/arch/arm/plat-s5p/cpu.c > +++ b/arch/arm/plat-s5p/cpu.c > @@ -21,6 +21,7 @@ > #include <plat/s5p6442.h> > #include <plat/s5pc100.h> > #include <plat/s5pv210.h> > +#include <plat/s5pv310.h> > > /* table of supported CPUs */ > > @@ -28,6 +29,7 @@ static const char name_s5p6440[] = "S5P6440"; > static const char name_s5p6442[] = "S5P6442"; > static const char name_s5pc100[] = "S5PC100"; > static const char name_s5pv210[] = "S5PV210/S5PC110"; > +static const char name_s5pv310[] = "S5PV310"; > > static struct cpu_table cpu_ids[] __initdata = { > { > @@ -62,6 +64,14 @@ static struct cpu_table cpu_ids[] __initdata = { > .init_uarts = s5pv210_init_uarts, > .init = s5pv210_init, > .name = name_s5pv210, > + }, { > + .idcode = 0x43200000, > + .idmask = 0xfffff000, > + .map_io = s5pv310_map_io, > + .init_clocks = s5pv310_init_clocks, > + .init_uarts = s5pv310_init_uarts, > + .init = s5pv310_init, > + .name = name_s5pv310, > }, > }; > > @@ -83,6 +93,7 @@ static struct map_desc s5p_iodesc[] __initdata = { > .pfn = __phys_to_pfn(S3C_PA_UART), > .length = SZ_512K, > .type = MT_DEVICE, > +#ifdef CONFIG_ARM_VIC > }, { > .virtual = (unsigned long)VA_VIC0, > .pfn = __phys_to_pfn(S5P_PA_VIC0), > @@ -93,6 +104,7 @@ static struct map_desc s5p_iodesc[] __initdata = { > .pfn = __phys_to_pfn(S5P_PA_VIC1), > .length = SZ_16K, > .type = MT_DEVICE, > +#endif > }, { > .virtual = (unsigned long)S3C_VA_TIMER, > .pfn = __phys_to_pfn(S5P_PA_TIMER), > diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h > index 3d815f4..54e9fb9 100644 > --- a/arch/arm/plat-s5p/include/plat/map-s5p.h > +++ b/arch/arm/plat-s5p/include/plat/map-s5p.h > @@ -18,6 +18,18 @@ > #define S5P_VA_SYSTIMER S3C_ADDR(0x01200000) > #define S5P_VA_SROMC S3C_ADDR(0x01100000) > > +#define S5P_VA_COMBINER_BASE S3C_ADDR(0x00600000) > +#define S5P_VA_COMBINER(x) (S5P_VA_COMBINER_BASE + ((x) >> 2) * 0x10) > + > +#define S5P_VA_COREPERI_BASE S3C_ADDR(0x00800000) > +#define S5P_VA_COREPERI(x) (S5P_VA_COREPERI_BASE + (x)) > +#define S5P_VA_SCU S5P_VA_COREPERI(0x0) > +#define S5P_VA_GIC_CPU S5P_VA_COREPERI(0x100) > +#define S5P_VA_TWD S5P_VA_COREPERI(0x600) > +#define S5P_VA_GIC_DIST S5P_VA_COREPERI(0x1000) > + > +#define S5P_VA_L2CC S3C_ADDR(0x00900000) > + > #define S5P_VA_UART(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET)) > #define S5P_VA_UART0 S5P_VA_UART(0) > #define S5P_VA_UART1 S5P_VA_UART(1) > diff --git a/arch/arm/plat-s5p/include/plat/s5pv310.h b/arch/arm/plat-s5p/include/plat/s5pv310.h > new file mode 100644 > index 0000000..d2f05e1 > --- /dev/null > +++ b/arch/arm/plat-s5p/include/plat/s5pv310.h > @@ -0,0 +1,33 @@ > +/* linux/arch/arm/plat-s5p/include/plat/s5pv310.h > + * > + * Copyright (c) 2010 Samsung Electronics Co., Ltd. > + * http://www.samsung.com/ > + * > + * Header file for s5pv310 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 S5PV310 related SoCs */ > + > +extern void s5pv310_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); > +extern void s5pv310_register_clocks(void); > +extern void s5pv310_setup_clocks(void); > + > +#ifdef CONFIG_CPU_S5PV310 > + > +extern int s5pv310_init(void); > +extern void s5pv310_init_irq(void); > +extern void s5pv310_map_io(void); > +extern void s5pv310_init_clocks(int xtal); > + > +#define s5pv310_init_uarts s5pv310_common_init_uarts > + > +#else > +#define s5pv310_init_clocks NULL > +#define s5pv310_init_uarts NULL > +#define s5pv310_map_io NULL > +#define s5pv310_init NULL > +#endif > -- > 1.6.2.5 > > -- > 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 > -- 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
 |