[PATCH v2 1/7] ARM: S5P6440: Add new CPU initialization support
Kukjin Kim
kgene.kim at samsung.com
Mon Dec 28 00:53:03 EST 2009
This patch adds Samsung's S5P6440 CPU support.
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
Signed-off-by: Adityapratap Sharma <aditya.ps at samsung.com>
Signed-off-by: Thomas Abraham <thomas.ab at samsung.com>
Signed-off-by: Atul Dahiya <atul.dahiya at samsung.com>
---
arch/arm/mach-s5p6440/cpu.c | 120 ++++++++++++++++++++++
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/idle.h | 23 ++++
arch/arm/mach-s5p6440/include/mach/map.h | 100 ++++++++++++++++++
arch/arm/mach-s5p6440/include/mach/memory.h | 22 ++++
arch/arm/mach-s5p6440/include/mach/system.h | 40 +++++++
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 +++++
16 files changed, 727 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/idle.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/system.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..1bfc748
--- /dev/null
+++ b/arch/arm/mach-s5p6440/cpu.c
@@ -0,0 +1,120 @@
+/* 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 = {
+};
+
+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 */
+ s5p6440_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 */
+ int num_vic = 2;
+ u32 vic[num_vic];
+
+ /*
+ * 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, num_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
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..10c50a2
--- /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_S5P_GPIO_EXTRA + 1)
+
+#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/idle.h b/arch/arm/mach-s5p6440/include/mach/idle.h
new file mode 100644
index 0000000..72c5cac
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/idle.h
@@ -0,0 +1,23 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/idle.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P6440 - Idle 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_IDLE_H
+#define __ASM_ARCH_IDLE_H __FILE__
+
+/*
+ * This allows the over-ride of the default idle code, in case there
+ * is any other things to be done over idle (like DVS)
+*/
+extern void (*s5p6440_idle_fn)(void);
+extern void s5p6440_default_idle(void);
+
+#endif /* __ASM_ARCH_IDLE_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..1a475f5
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/memory.h
@@ -0,0 +1,22 @@
+/* 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
+
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/system.h b/arch/arm/mach-s5p6440/include/mach/system.h
new file mode 100644
index 0000000..ae12eb6
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/system.h
@@ -0,0 +1,40 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/system.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * S5P6440 - system implementation
+ *
+ * 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 <linux/io.h>
+#include <mach/map.h>
+
+void (*s5p6440_idle_fn)(void);
+void (*s5p6440_reset_hook_fn)(void);
+
+void s5p6440_default_idle(void)
+{
+ /* nothing here yet */
+}
+
+static void arch_idle(void)
+{
+ if (s5p6440_idle_fn != NULL)
+ (s5p6440_idle_fn)();
+ else
+ s5p6440_default_idle();
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+ /* nothing here yet */
+}
+
+#endif /* __ASM_ARCH_SYSTEM_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 fbc3d49..3aa53f0 100644
--- a/arch/arm/plat-s3c/include/plat/cpu.h
+++ b/arch/arm/plat-s3c/include/plat/cpu.h
@@ -45,9 +45,11 @@ 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
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