From: Ben Dooks <ben-linux@fluff.org>
To: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org, ben-linux@fluff.org,
Adityapratap Sharma <aditya.ps@samsung.com>,
Thomas Abraham <thomas.ab@samsung.com>,
Atul Dahiya <atul.dahiya@samsung.com>
Subject: Re: [PATCH v3 1/7] ARM: S5P6440: Add new CPU initialization support
Date: Mon, 11 Jan 2010 06:00:47 +0000 [thread overview]
Message-ID: <20100111060047.GA3738@trinity.fluff.org> (raw)
In-Reply-To: <1263182087-14393-1-git-send-email-kgene.kim@samsung.com>
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@samsung.com>
> Signed-off-by: Adityapratap Sharma <aditya.ps@samsung.com>
> Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
> Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
> ---
> 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.
prev parent reply other threads:[~2010-01-11 6:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-11 3:54 [PATCH v3 1/7] ARM: S5P6440: Add new CPU initialization support Kukjin Kim
2010-01-11 6:00 ` Ben Dooks [this message]
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