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ARM: 7246/1: S5P64X0: introduce arch/arm/mach-s5p64x0/common.[ch]

Browse Source 
This patch introduces common.[ch] which are used only in the
arch/arm/mach-s5p64x0/ directory. The common.c file merges
the cpu.c, init.c and irq-eint.c files which are used commonly
on S5P64X0 SoCs and the common.h local header file replaces
with plat/s5p6440.h and plat/s5p6450.h files.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Kukjin Kim 2011-12-22 23:28:28 +01:00 committed by Russell King
parent b024043b6d
commit 95af214bec
14 changed files with 532 additions and 546 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/mach-s5p64x0/Makefile
View File

@ -10,14 +10,16 @@ obj-m :=
obj-n :=
obj- :=
# Core support for S5P64X0 system
# Core
obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o
obj-$(CONFIG_ARCH_S5P64X0) += setup-i2c0.o irq-eint.o
obj-y += common.o clock.o
obj-$(CONFIG_CPU_S5P6440) += clock-s5p6440.o
obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o
obj-$(CONFIG_PM) += pm.o irq-pm.o
obj-y += dma.o
# machine support
obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o
@ -28,5 +30,6 @@ obj-$(CONFIG_MACH_SMDK6450) += mach-smdk6450.o
obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
obj-y += setup-i2c0.o
obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o

3
arch/arm/mach-s5p64x0/clock-s5p6440.c
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@ -31,7 +31,8 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/s5p6440.h>
#include "common.h"
static u32 epll_div[][5] = {
{ 36000000, 0, 48, 1, 4 },

3
arch/arm/mach-s5p64x0/clock-s5p6450.c
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@ -31,7 +31,8 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/s5p6450.h>
#include "common.h"
static struct clksrc_clk clk_mout_dpll = {
.clk = {

4
arch/arm/mach-s5p64x0/clock.c
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@ -30,8 +30,8 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/s5p6440.h>
#include <plat/s5p6450.h>
#include "common.h"
struct clksrc_clk clk_mout_apll = {
.clk = {

459
arch/arm/mach-s5p64x0/common.c Normal file
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@ -0,0 +1,459 @@
/*
* Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Common Codes for S5P64X0 machines
*
* 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 <linux/sched.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <asm/proc-fns.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/map.h>
#include <mach/hardware.h>
#include <mach/regs-clock.h>
#include <mach/regs-gpio.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/pm.h>
#include <plat/adc-core.h>
#include <plat/fb-core.h>
#include <plat/gpio-cfg.h>
#include <plat/regs-irqtype.h>
#include <plat/regs-serial.h>
#include "common.h"
static const char name_s5p6440[] = "S5P6440";
static const char name_s5p6450[] = "S5P6450";
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = S5P6440_CPU_ID,
.idmask = S5P64XX_CPU_MASK,
.map_io = s5p6440_map_io,
.init_clocks = s5p6440_init_clocks,
.init_uarts = s5p6440_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6440,
}, {
.idcode = S5P6450_CPU_ID,
.idmask = S5P64XX_CPU_MASK,
.map_io = s5p6450_map_io,
.init_clocks = s5p6450_init_clocks,
.init_uarts = s5p6450_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6450,
},
};
/* Initial IO mappings */
static struct map_desc s5p64x0_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_CHIPID,
.pfn = __phys_to_pfn(S5P64X0_PA_CHIPID),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(S5P64X0_PA_SYSCON),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_TIMER,
.pfn = __phys_to_pfn(S5P64X0_PA_TIMER),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_WATCHDOG,
.pfn = __phys_to_pfn(S5P64X0_PA_WDT),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_SROMC,
.pfn = __phys_to_pfn(S5P64X0_PA_SROMC),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_GPIO,
.pfn = __phys_to_pfn(S5P64X0_PA_GPIO),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC0,
.pfn = __phys_to_pfn(S5P64X0_PA_VIC0),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC1,
.pfn = __phys_to_pfn(S5P64X0_PA_VIC1),
.length = SZ_16K,
.type = MT_DEVICE,
},
};
static struct map_desc s5p6440_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S5P6440_PA_UART(0)),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static struct map_desc s5p6450_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S5P6450_PA_UART(0)),
.length = SZ_512K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART + SZ_512K,
.pfn = __phys_to_pfn(S5P6450_PA_UART(5)),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static void s5p64x0_idle(void)
{
unsigned long val;
if (!need_resched()) {
val = __raw_readl(S5P64X0_PWR_CFG);
val &= ~(0x3 << 5);
val |= (0x1 << 5);
__raw_writel(val, S5P64X0_PWR_CFG);
cpu_do_idle();
}
local_irq_enable();
}
/*
* s5p64x0_map_io
*
* register the standard CPU IO areas
*/
void __init s5p64x0_init_io(struct map_desc *mach_desc, int size)
{
/* initialize the io descriptors we need for initialization */
iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
if (mach_desc)
iotable_init(mach_desc, size);
/* detect cpu id and rev. */
s5p_init_cpu(S5P64X0_SYS_ID);
s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
void __init s5p6440_map_io(void)
{
/* initialize any device information early */
s3c_adc_setname("s3c64xx-adc");
s3c_fb_setname("s5p64x0-fb");
iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc));
init_consistent_dma_size(SZ_8M);
}
void __init s5p6450_map_io(void)
{
/* initialize any device information early */
s3c_adc_setname("s3c64xx-adc");
s3c_fb_setname("s5p64x0-fb");
iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc));
init_consistent_dma_size(SZ_8M);
}
/*
* s5p64x0_init_clocks
*
* register and setup the CPU clocks
*/
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 s5p6450_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
s5p_register_clocks(xtal);
s5p6450_register_clocks();
s5p6450_setup_clocks();
}
/*
* s5p64x0_init_irq
*
* register the CPU interrupts
*/
void __init s5p6440_init_irq(void)
{
/* S5P6440 supports 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));
}
void __init s5p6450_init_irq(void)
{
/* S5P6450 supports only 2 VIC */
u32 vic[2];
/*
* VIC0 is missing IRQ_VIC0[(13-15), (21-22)]
* VIC1 is missing IRQ VIC1[12, 14, 23]
*/
vic[0] = 0xff9f1fff;
vic[1] = 0xff7fafff;
s5p_init_irq(vic, ARRAY_SIZE(vic));
}
struct sysdev_class s5p64x0_sysclass = {
.name = "s5p64x0-core",
};
static struct sys_device s5p64x0_sysdev = {
.cls = &s5p64x0_sysclass,
};
static int __init s5p64x0_core_init(void)
{
return sysdev_class_register(&s5p64x0_sysclass);
}
core_initcall(s5p64x0_core_init);
int __init s5p64x0_init(void)
{
printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
/* set idle function */
pm_idle = s5p64x0_idle;
return sysdev_register(&s5p64x0_sysdev);
}
static struct s3c24xx_uart_clksrc s5p64x0_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 s5p64x0_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 = s5p64x0_serial_clocks;
tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
}
}
}
void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
int uart;
for (uart = 0; uart < no; uart++) {
s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
}
s5p64x0_common_init_uarts(cfg, no);
s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
}
void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
s5p64x0_common_init_uarts(cfg, no);
s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
}
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
int offs = eint_offset(data->irq);
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
if (offs > 15)
return -EINVAL;
switch (type) {
case IRQ_TYPE_NONE:
printk(KERN_WARNING "No edge setting!\n");
break;
case IRQ_TYPE_EDGE_RISING:
newvalue = S3C2410_EXTINT_RISEEDGE;
break;
case IRQ_TYPE_EDGE_FALLING:
newvalue = S3C2410_EXTINT_FALLEDGE;
break;
case IRQ_TYPE_EDGE_BOTH:
newvalue = S3C2410_EXTINT_BOTHEDGE;
break;
case IRQ_TYPE_LEVEL_LOW:
newvalue = S3C2410_EXTINT_LOWLEV;
break;
case IRQ_TYPE_LEVEL_HIGH:
newvalue = S3C2410_EXTINT_HILEV;
break;
default:
printk(KERN_ERR "No such irq type %d", type);
return -EINVAL;
}
shift = (offs / 2) * 4;
mask = 0x7 << shift;
ctrl = __raw_readl(S5P64X0_EINT0CON0) & ~mask;
ctrl |= newvalue << shift;
__raw_writel(ctrl, S5P64X0_EINT0CON0);
/* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
if (soc_is_s5p6450())
s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
else
s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
return 0;
}
/*
* s5p64x0_irq_demux_eint
*
* This function demuxes the IRQ from the group0 external interrupts,
* from IRQ_EINT(0) to IRQ_EINT(15). It is designed to be inlined into
* the specific handlers s5p64x0_irq_demux_eintX_Y.
*/
static inline void s5p64x0_irq_demux_eint(unsigned int start, unsigned int end)
{
u32 status = __raw_readl(S5P64X0_EINT0PEND);
u32 mask = __raw_readl(S5P64X0_EINT0MASK);
unsigned int irq;
status &= ~mask;
status >>= start;
status &= (1 << (end - start + 1)) - 1;
for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
if (status & 1)
generic_handle_irq(irq);
status >>= 1;
}
}
static void s5p64x0_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(0, 3);
}
static void s5p64x0_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(4, 11);
}
static void s5p64x0_irq_demux_eint12_15(unsigned int irq,
struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(12, 15);
}
static int s5p64x0_alloc_gc(void)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
gc = irq_alloc_generic_chip("s5p64x0-eint", 1, S5P_IRQ_EINT_BASE,
S5P_VA_GPIO, handle_level_irq);
if (!gc) {
printk(KERN_ERR "%s: irq_alloc_generic_chip for group 0"
"external interrupts failed\n", __func__);
return -EINVAL;
}
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
ct->chip.irq_set_wake = s3c_irqext_wake;
ct->regs.ack = EINT0PEND_OFFSET;
ct->regs.mask = EINT0MASK_OFFSET;
irq_setup_generic_chip(gc, IRQ_MSK(16), IRQ_GC_INIT_MASK_CACHE,
IRQ_NOREQUEST | IRQ_NOPROBE, 0);
return 0;
}
static int __init s5p64x0_init_irq_eint(void)
{
int ret = s5p64x0_alloc_gc();
irq_set_chained_handler(IRQ_EINT0_3, s5p64x0_irq_demux_eint0_3);
irq_set_chained_handler(IRQ_EINT4_11, s5p64x0_irq_demux_eint4_11);
irq_set_chained_handler(IRQ_EINT12_15, s5p64x0_irq_demux_eint12_15);
return ret;
}
arch_initcall(s5p64x0_init_irq_eint);

55
arch/arm/mach-s5p64x0/common.h Normal file
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@ -0,0 +1,55 @@
/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Common Header for S5P64X0 machines
*
* 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 __ARCH_ARM_MACH_S5P64X0_COMMON_H
#define __ARCH_ARM_MACH_S5P64X0_COMMON_H
void s5p6440_init_irq(void);
void s5p6450_init_irq(void);
void s5p64x0_init_io(struct map_desc *mach_desc, int size);
void s5p6440_register_clocks(void);
void s5p6440_setup_clocks(void);
void s5p6450_register_clocks(void);
void s5p6450_setup_clocks(void);
#ifdef CONFIG_CPU_S5P6440
extern int s5p64x0_init(void);
extern void s5p6440_map_io(void);
extern void s5p6440_init_clocks(int xtal);
extern void s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
#else
#define s5p6440_init_clocks NULL
#define s5p6440_init_uarts NULL
#define s5p6440_map_io NULL
#define s5p64x0_init NULL
#endif
#ifdef CONFIG_CPU_S5P6450
extern int s5p64x0_init(void);
extern void s5p6450_map_io(void);
extern void s5p6450_init_clocks(int xtal);
extern void s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no);
#else
#define s5p6450_init_clocks NULL
#define s5p6450_init_uarts NULL
#define s5p6450_map_io NULL
#define s5p64x0_init NULL
#endif
#endif /* __ARCH_ARM_MACH_S5P64X0_COMMON_H */

215
arch/arm/mach-s5p64x0/cpu.c
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@ -1,215 +0,0 @@
/* linux/arch/arm/mach-s5p64x0/cpu.c
*
* Copyright (c) 2009-2010 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 <linux/sched.h>
#include <linux/dma-mapping.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <plat/regs-serial.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/s5p6440.h>
#include <plat/s5p6450.h>
#include <plat/adc-core.h>
#include <plat/fb-core.h>
/* Initial IO mappings */
static struct map_desc s5p64x0_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_GPIO,
.pfn = __phys_to_pfn(S5P64X0_PA_GPIO),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC0,
.pfn = __phys_to_pfn(S5P64X0_PA_VIC0),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)VA_VIC1,
.pfn = __phys_to_pfn(S5P64X0_PA_VIC1),
.length = SZ_16K,
.type = MT_DEVICE,
},
};
static struct map_desc s5p6440_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S5P6440_PA_UART(0)),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static struct map_desc s5p6450_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S5P6450_PA_UART(0)),
.length = SZ_512K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART + SZ_512K,
.pfn = __phys_to_pfn(S5P6450_PA_UART(5)),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static void s5p64x0_idle(void)
{
unsigned long val;
if (!need_resched()) {
val = __raw_readl(S5P64X0_PWR_CFG);
val &= ~(0x3 << 5);
val |= (0x1 << 5);
__raw_writel(val, S5P64X0_PWR_CFG);
cpu_do_idle();
}
local_irq_enable();
}
/*
* s5p64x0_map_io
*
* register the standard CPU IO areas
*/
void __init s5p6440_map_io(void)
{
/* initialize any device information early */
s3c_adc_setname("s3c64xx-adc");
s3c_fb_setname("s5p64x0-fb");
iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc));
init_consistent_dma_size(SZ_8M);
}
void __init s5p6450_map_io(void)
{
/* initialize any device information early */
s3c_adc_setname("s3c64xx-adc");
s3c_fb_setname("s5p64x0-fb");
iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc));
iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc));
init_consistent_dma_size(SZ_8M);
}
/*
* s5p64x0_init_clocks
*
* register and setup the CPU clocks
*/
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 s5p6450_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
s5p_register_clocks(xtal);
s5p6450_register_clocks();
s5p6450_setup_clocks();
}
/*
* s5p64x0_init_irq
*
* register the CPU interrupts
*/
void __init s5p6440_init_irq(void)
{
/* S5P6440 supports 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));
}
void __init s5p6450_init_irq(void)
{
/* S5P6450 supports only 2 VIC */
u32 vic[2];
/*
* VIC0 is missing IRQ_VIC0[(13-15), (21-22)]
* VIC1 is missing IRQ VIC1[12, 14, 23]
*/
vic[0] = 0xff9f1fff;
vic[1] = 0xff7fafff;
s5p_init_irq(vic, ARRAY_SIZE(vic));
}
struct sysdev_class s5p64x0_sysclass = {
.name = "s5p64x0-core",
};
static struct sys_device s5p64x0_sysdev = {
.cls = &s5p64x0_sysclass,
};
static int __init s5p64x0_core_init(void)
{
return sysdev_class_register(&s5p64x0_sysclass);
}
core_initcall(s5p64x0_core_init);
int __init s5p64x0_init(void)
{
printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
/* set idle function */
pm_idle = s5p64x0_idle;
return sysdev_register(&s5p64x0_sysdev);
}

73
arch/arm/mach-s5p64x0/init.c
View File

@ -1,73 +0,0 @@
/* linux/arch/arm/mach-s5p64x0/init.c
*
* Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* S5P64X0 - Init 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/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <mach/map.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/s5p6440.h>
#include <plat/s5p6450.h>
#include <plat/regs-serial.h>
static struct s3c24xx_uart_clksrc s5p64x0_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 s5p64x0_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 = s5p64x0_serial_clocks;
tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
}
}
}
void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
int uart;
for (uart = 0; uart < no; uart++) {
s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
}
s5p64x0_common_init_uarts(cfg, no);
s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
}
void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
s5p64x0_common_init_uarts(cfg, no);
s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
}

155
arch/arm/mach-s5p64x0/irq-eint.c
View File

@ -1,155 +0,0 @@
/* arch/arm/mach-s5p64x0/irq-eint.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* http://www.samsung.com/
*
* Based on linux/arch/arm/mach-s3c64xx/irq-eint.c
*
* S5P64X0 - Interrupt handling for External Interrupts.
*
* 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/gpio.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <plat/cpu.h>
#include <plat/regs-irqtype.h>
#include <plat/gpio-cfg.h>
#include <plat/pm.h>
#include <mach/regs-gpio.h>
#include <mach/regs-clock.h>
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
int offs = eint_offset(data->irq);
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
if (offs > 15)
return -EINVAL;
switch (type) {
case IRQ_TYPE_NONE:
printk(KERN_WARNING "No edge setting!\n");
break;
case IRQ_TYPE_EDGE_RISING:
newvalue = S3C2410_EXTINT_RISEEDGE;
break;
case IRQ_TYPE_EDGE_FALLING:
newvalue = S3C2410_EXTINT_FALLEDGE;
break;
case IRQ_TYPE_EDGE_BOTH:
newvalue = S3C2410_EXTINT_BOTHEDGE;
break;
case IRQ_TYPE_LEVEL_LOW:
newvalue = S3C2410_EXTINT_LOWLEV;
break;
case IRQ_TYPE_LEVEL_HIGH:
newvalue = S3C2410_EXTINT_HILEV;
break;
default:
printk(KERN_ERR "No such irq type %d", type);
return -EINVAL;
}
shift = (offs / 2) * 4;
mask = 0x7 << shift;
ctrl = __raw_readl(S5P64X0_EINT0CON0) & ~mask;
ctrl |= newvalue << shift;
__raw_writel(ctrl, S5P64X0_EINT0CON0);
/* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
if (soc_is_s5p6450())
s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
else
s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
return 0;
}
/*
* s5p64x0_irq_demux_eint
*
* This function demuxes the IRQ from the group0 external interrupts,
* from IRQ_EINT(0) to IRQ_EINT(15). It is designed to be inlined into
* the specific handlers s5p64x0_irq_demux_eintX_Y.
*/
static inline void s5p64x0_irq_demux_eint(unsigned int start, unsigned int end)
{
u32 status = __raw_readl(S5P64X0_EINT0PEND);
u32 mask = __raw_readl(S5P64X0_EINT0MASK);
unsigned int irq;
status &= ~mask;
status >>= start;
status &= (1 << (end - start + 1)) - 1;
for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) {
if (status & 1)
generic_handle_irq(irq);
status >>= 1;
}
}
static void s5p64x0_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(0, 3);
}
static void s5p64x0_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(4, 11);
}
static void s5p64x0_irq_demux_eint12_15(unsigned int irq,
struct irq_desc *desc)
{
s5p64x0_irq_demux_eint(12, 15);
}
static int s5p64x0_alloc_gc(void)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
gc = irq_alloc_generic_chip("s5p64x0-eint", 1, S5P_IRQ_EINT_BASE,
S5P_VA_GPIO, handle_level_irq);
if (!gc) {
printk(KERN_ERR "%s: irq_alloc_generic_chip for group 0"
"external interrupts failed\n", __func__);
return -EINVAL;
}
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_set_bit;
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->chip.irq_set_type = s5p64x0_irq_eint_set_type;
ct->chip.irq_set_wake = s3c_irqext_wake;
ct->regs.ack = EINT0PEND_OFFSET;
ct->regs.mask = EINT0MASK_OFFSET;
irq_setup_generic_chip(gc, IRQ_MSK(16), IRQ_GC_INIT_MASK_CACHE,
IRQ_NOREQUEST | IRQ_NOPROBE, 0);
return 0;
}
static int __init s5p64x0_init_irq_eint(void)
{
int ret = s5p64x0_alloc_gc();
irq_set_chained_handler(IRQ_EINT0_3, s5p64x0_irq_demux_eint0_3);
irq_set_chained_handler(IRQ_EINT4_11, s5p64x0_irq_demux_eint4_11);
irq_set_chained_handler(IRQ_EINT12_15, s5p64x0_irq_demux_eint12_15);
return ret;
}
arch_initcall(s5p64x0_init_irq_eint);

5
arch/arm/mach-s5p64x0/mach-smdk6440.c
View File

@ -40,7 +40,6 @@
#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
#include <plat/s5p6440.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -53,6 +52,8 @@
#include <plat/fb.h>
#include <plat/regs-fb.h>
#include "common.h"
#define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
@ -201,7 +202,7 @@ static struct platform_pwm_backlight_data smdk6440_bl_data = {
static void __init smdk6440_map_io(void)
{
s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
s5p64x0_init_io(NULL, 0);
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
s5p_set_timer_source(S5P_PWM3, S5P_PWM4);

5
arch/arm/mach-s5p64x0/mach-smdk6450.c
View File

@ -40,7 +40,6 @@
#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
#include <plat/s5p6450.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -53,6 +52,8 @@
#include <plat/fb.h>
#include <plat/regs-fb.h>
#include "common.h"
#define SMDK6450_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
@ -221,7 +222,7 @@ static struct platform_pwm_backlight_data smdk6450_bl_data = {
static void __init smdk6450_map_io(void)
{
s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
s5p64x0_init_io(NULL, 0);
s3c24xx_init_clocks(19200000);
s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
s5p_set_timer_source(S5P_PWM3, S5P_PWM4);

20
arch/arm/plat-s5p/cpu.c
View File

@ -20,16 +20,12 @@
#include <mach/regs-clock.h>
#include <plat/cpu.h>
#include <plat/s5p6440.h>
#include <plat/s5p6450.h>
#include <plat/s5pc100.h>
#include <plat/s5pv210.h>
#include <plat/exynos4.h>
/* table of supported CPUs */
static const char name_s5p6440[] = "S5P6440";
static const char name_s5p6450[] = "S5P6450";
static const char name_s5pc100[] = "S5PC100";
static const char name_s5pv210[] = "S5PV210/S5PC110";
static const char name_exynos4210[] = "EXYNOS4210";
@ -38,22 +34,6 @@ static const char name_exynos4412[] = "EXYNOS4412";
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = S5P6440_CPU_ID,
.idmask = S5P64XX_CPU_MASK,
.map_io = s5p6440_map_io,
.init_clocks = s5p6440_init_clocks,
.init_uarts = s5p6440_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6440,
}, {
.idcode = S5P6450_CPU_ID,
.idmask = S5P64XX_CPU_MASK,
.map_io = s5p6450_map_io,
.init_clocks = s5p6450_init_clocks,
.init_uarts = s5p6450_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6450,
}, {
.idcode = S5PC100_CPU_ID,
.idmask = S5PC100_CPU_MASK,
.map_io = s5pc100_map_io,

36
arch/arm/plat-samsung/include/plat/s5p6440.h
View File

@ -1,36 +0,0 @@
/* linux/arch/arm/plat-samsung/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_register_clocks(void);
extern void s5p6440_setup_clocks(void);
#ifdef CONFIG_CPU_S5P6440
extern int s5p64x0_init(void);
extern void s5p6440_init_irq(void);
extern void s5p6440_map_io(void);
extern void s5p6440_init_clocks(int xtal);
extern void s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no);
#else
#define s5p6440_init_clocks NULL
#define s5p6440_init_uarts NULL
#define s5p6440_map_io NULL
#define s5p64x0_init NULL
#endif
/* S5P6440 timer */
extern struct sys_timer s5p6440_timer;

36
arch/arm/plat-samsung/include/plat/s5p6450.h
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@ -1,36 +0,0 @@
/* linux/arch/arm/plat-samsung/include/plat/s5p6450.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Header file for s5p6450 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 S5P6450 related SoCs */
extern void s5p6450_register_clocks(void);
extern void s5p6450_setup_clocks(void);
#ifdef CONFIG_CPU_S5P6450
extern int s5p64x0_init(void);
extern void s5p6450_init_irq(void);
extern void s5p6450_map_io(void);
extern void s5p6450_init_clocks(int xtal);
extern void s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no);
#else
#define s5p6450_init_clocks NULL
#define s5p6450_init_uarts NULL
#define s5p6450_map_io NULL
#define s5p64x0_init NULL
#endif
/* S5P6450 timer */
extern struct sys_timer s5p6450_timer;