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-rw-r--r--arch/arm/mach-exynos4/Kconfig14
-rw-r--r--arch/arm/mach-exynos4/Makefile3
-rw-r--r--arch/arm/mach-exynos4/clock.c4
-rw-r--r--arch/arm/mach-exynos4/cpu.c21
-rw-r--r--arch/arm/mach-exynos4/include/mach/entry-macro.S29
-rw-r--r--arch/arm/mach-exynos4/include/mach/irqs.h2
-rw-r--r--arch/arm/mach-exynos4/include/mach/map.h1
-rw-r--r--arch/arm/mach-exynos4/include/mach/regs-mct.h5
-rw-r--r--arch/arm/mach-exynos4/mach-origen.c2
-rw-r--r--arch/arm/mach-exynos4/mach-smdk4x12.c (renamed from arch/arm/mach-exynos4/mach-smdk4212.c)128
-rw-r--r--arch/arm/mach-exynos4/mach-smdkv310.c4
-rw-r--r--arch/arm/mach-exynos4/mct.c166
-rw-r--r--arch/arm/mach-exynos4/platsmp.c5
13 files changed, 234 insertions, 150 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index b6722decff9d..2dad16c8cf79 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -20,6 +20,11 @@ config SOC_EXYNOS4212
help
Enable EXYNOS4212 SoC support
+config SOC_EXYNOS4412
+ bool
+ help
+ Enable EXYNOS4412 SoC support
+
config EXYNOS4_MCT
bool
default y
@@ -276,6 +281,15 @@ config MACH_SMDK4212
help
Machine support for Samsung SMDK4212
+comment "EXYNOS4412 Boards"
+
+config MACH_SMDK4412
+ bool "SMDK4412"
+ select SOC_EXYNOS4412
+ select MACH_SMDK4212
+ help
+ Machine support for Samsung SMDK4412
+
endmenu
comment "Configuration for HSMMC bus width"
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index e19cd12d264e..c9b2e1f97e44 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -34,7 +34,8 @@ obj-$(CONFIG_MACH_UNIVERSAL_C210) += mach-universal_c210.o
obj-$(CONFIG_MACH_NURI) += mach-nuri.o
obj-$(CONFIG_MACH_ORIGEN) += mach-origen.o
-obj-$(CONFIG_MACH_SMDK4212) += mach-smdk4212.o
+obj-$(CONFIG_MACH_SMDK4212) += mach-smdk4x12.o
+obj-$(CONFIG_MACH_SMDK4412) += mach-smdk4x12.o
# device support
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index a25c81836759..db616916d7a4 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -1283,7 +1283,7 @@ static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
if (soc_is_exynos4210())
return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0),
pll_4508);
- else if (soc_is_exynos4212())
+ else if (soc_is_exynos4212() || soc_is_exynos4412())
return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0));
else
return 0;
@@ -1399,7 +1399,7 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
__raw_readl(S5P_VPLL_CON1), pll_4650c);
- } else if (soc_is_exynos4212()) {
+ } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0));
mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0));
epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0),
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 2aa3df003683..5b1765b37f75 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -33,6 +33,8 @@
#include <mach/regs-irq.h>
#include <mach/regs-pmu.h>
+unsigned int gic_bank_offset __read_mostly;
+
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);
@@ -193,27 +195,34 @@ void __init exynos4_init_clocks(int xtal)
if (soc_is_exynos4210())
exynos4210_register_clocks();
- else if (soc_is_exynos4212())
+ else if (soc_is_exynos4212() || soc_is_exynos4412())
exynos4212_register_clocks();
exynos4_register_clocks();
exynos4_setup_clocks();
}
-static void exynos4_gic_irq_eoi(struct irq_data *d)
+static void exynos4_gic_irq_fix_base(struct irq_data *d)
{
struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
gic_data->cpu_base = S5P_VA_GIC_CPU +
- (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id());
+ (gic_bank_offset * smp_processor_id());
+
+ gic_data->dist_base = S5P_VA_GIC_DIST +
+ (gic_bank_offset * smp_processor_id());
}
void __init exynos4_init_irq(void)
{
int irq;
- gic_init(0, IRQ_SPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
- gic_arch_extn.irq_eoi = exynos4_gic_irq_eoi;
+ gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
+
+ gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
+ gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base;
+ gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base;
+ gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base;
for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
@@ -252,7 +261,7 @@ static int __init exynos4_l2x0_cache_init(void)
if (soc_is_exynos4210())
__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
- else if (soc_is_exynos4212())
+ else if (soc_is_exynos4212() || soc_is_exynos4412())
__raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
/* L2X0 Prefetch Control */
diff --git a/arch/arm/mach-exynos4/include/mach/entry-macro.S b/arch/arm/mach-exynos4/include/mach/entry-macro.S
index d7a1e281ce7a..4c9adbd87eac 100644
--- a/arch/arm/mach-exynos4/include/mach/entry-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/entry-macro.S
@@ -17,12 +17,25 @@
.endm
.macro get_irqnr_preamble, base, tmp
- ldr \base, =gic_cpu_base_addr
+ mov \tmp, #0
+
+ mrc p15, 0, \base, c0, c0, 5
+ and \base, \base, #3
+ cmp \base, #0
+ beq 1f
+
+ ldr \tmp, =gic_bank_offset
+ ldr \tmp, [\tmp]
+ cmp \base, #1
+ beq 1f
+
+ cmp \base, #2
+ addeq \tmp, \tmp, \tmp
+ addne \tmp, \tmp, \tmp, LSL #1
+
+1: ldr \base, =gic_cpu_base_addr
ldr \base, [\base]
- mrc p15, 0, \tmp, c0, c0, 5
- and \tmp, \tmp, #3
- cmp \tmp, #1
- addeq \base, \base, #EXYNOS4_GIC_BANK_OFFSET
+ add \base, \base, \tmp
.endm
.macro arch_ret_to_user, tmp1, tmp2
@@ -80,4 +93,10 @@
/* 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, #28
+ moveq \tmp, #1
+ streq \irqstat, [\base, #GIC_CPU_EOI]
+ cmp \tmp, #0
.endm
diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h
index 62093b9339db..dfd4b7eecb90 100644
--- a/arch/arm/mach-exynos4/include/mach/irqs.h
+++ b/arch/arm/mach-exynos4/include/mach/irqs.h
@@ -19,6 +19,8 @@
#define IRQ_PPI(x) S5P_IRQ(x+16)
+#define IRQ_MCT_LOCALTIMER IRQ_PPI(12)
+
/* SPI: Shared Peripheral Interrupt */
#define IRQ_SPI(x) S5P_IRQ(x+32)
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 1bea7d139bb0..918a979181af 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -62,7 +62,6 @@
#define EXYNOS4_PA_GIC_CPU 0x10480000
#define EXYNOS4_PA_GIC_DIST 0x10490000
-#define EXYNOS4_GIC_BANK_OFFSET 0x8000
#define EXYNOS4_PA_COREPERI 0x10500000
#define EXYNOS4_PA_TWD 0x10500600
diff --git a/arch/arm/mach-exynos4/include/mach/regs-mct.h b/arch/arm/mach-exynos4/include/mach/regs-mct.h
index ca9c8434b023..80dd02ad6d61 100644
--- a/arch/arm/mach-exynos4/include/mach/regs-mct.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-mct.h
@@ -31,8 +31,9 @@
#define EXYNOS4_MCT_G_INT_ENB EXYNOS4_MCTREG(0x248)
#define EXYNOS4_MCT_G_WSTAT EXYNOS4_MCTREG(0x24C)
-#define EXYNOS4_MCT_L0_BASE EXYNOS4_MCTREG(0x300)
-#define EXYNOS4_MCT_L1_BASE EXYNOS4_MCTREG(0x400)
+#define _EXYNOS4_MCT_L_BASE EXYNOS4_MCTREG(0x300)
+#define EXYNOS4_MCT_L_BASE(x) (_EXYNOS4_MCT_L_BASE + (0x100 * x))
+#define EXYNOS4_MCT_L_MASK (0xffffff00)
#define MCT_L_TCNTB_OFFSET (0x00)
#define MCT_L_ICNTB_OFFSET (0x08)
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index 18909cf6c07d..71db8480bb5a 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -671,7 +671,7 @@ static void __init origen_machine_init(void)
MACHINE_START(ORIGEN, "ORIGEN")
/* Maintainer: JeongHyeon Kim <jhkim@insignal.co.kr> */
- .boot_params = S5P_PA_SDRAM + 0x100,
+ .atag_offset = 0x100,
.init_irq = exynos4_init_irq,
.map_io = origen_map_io,
.init_machine = origen_machine_init,
diff --git a/arch/arm/mach-exynos4/mach-smdk4212.c b/arch/arm/mach-exynos4/mach-smdk4x12.c
index 3479a933a6de..fcf2e0e23d53 100644
--- a/arch/arm/mach-exynos4/mach-smdk4212.c
+++ b/arch/arm/mach-exynos4/mach-smdk4x12.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-exynos4/mach-smdk4212.c
+ * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
@@ -37,51 +37,51 @@
#include <mach/map.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
-#define SMDK4212_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
+#define SMDK4X12_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
-#define SMDK4212_ULCON_DEFAULT S3C2410_LCON_CS8
+#define SMDK4X12_ULCON_DEFAULT S3C2410_LCON_CS8
-#define SMDK4212_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
+#define SMDK4X12_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG4 | \
S5PV210_UFCON_RXTRIG4)
-static struct s3c2410_uartcfg smdk4212_uartcfgs[] __initdata = {
+static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
- .ucon = SMDK4212_UCON_DEFAULT,
- .ulcon = SMDK4212_ULCON_DEFAULT,
- .ufcon = SMDK4212_UFCON_DEFAULT,
+ .ucon = SMDK4X12_UCON_DEFAULT,
+ .ulcon = SMDK4X12_ULCON_DEFAULT,
+ .ufcon = SMDK4X12_UFCON_DEFAULT,
},
[1] = {
.hwport = 1,
.flags = 0,
- .ucon = SMDK4212_UCON_DEFAULT,
- .ulcon = SMDK4212_ULCON_DEFAULT,
- .ufcon = SMDK4212_UFCON_DEFAULT,
+ .ucon = SMDK4X12_UCON_DEFAULT,
+ .ulcon = SMDK4X12_ULCON_DEFAULT,
+ .ufcon = SMDK4X12_UFCON_DEFAULT,
},
[2] = {
.hwport = 2,
.flags = 0,
- .ucon = SMDK4212_UCON_DEFAULT,
- .ulcon = SMDK4212_ULCON_DEFAULT,
- .ufcon = SMDK4212_UFCON_DEFAULT,
+ .ucon = SMDK4X12_UCON_DEFAULT,
+ .ulcon = SMDK4X12_ULCON_DEFAULT,
+ .ufcon = SMDK4X12_UFCON_DEFAULT,
},
[3] = {
.hwport = 3,
.flags = 0,
- .ucon = SMDK4212_UCON_DEFAULT,
- .ulcon = SMDK4212_ULCON_DEFAULT,
- .ufcon = SMDK4212_UFCON_DEFAULT,
+ .ucon = SMDK4X12_UCON_DEFAULT,
+ .ulcon = SMDK4X12_ULCON_DEFAULT,
+ .ufcon = SMDK4X12_UFCON_DEFAULT,
},
};
-static struct s3c_sdhci_platdata smdk4212_hsmmc2_pdata __initdata = {
+static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
@@ -90,7 +90,7 @@ static struct s3c_sdhci_platdata smdk4212_hsmmc2_pdata __initdata = {
#endif
};
-static struct s3c_sdhci_platdata smdk4212_hsmmc3_pdata __initdata = {
+static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_INTERNAL,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
@@ -106,7 +106,7 @@ static struct regulator_consumer_supply max8997_buck3 =
static struct regulator_init_data max8997_buck1_data = {
.constraints = {
- .name = "VDD_ARM_SMDK4212",
+ .name = "VDD_ARM_SMDK4X12",
.min_uV = 925000,
.max_uV = 1350000,
.always_on = 1,
@@ -121,7 +121,7 @@ static struct regulator_init_data max8997_buck1_data = {
static struct regulator_init_data max8997_buck2_data = {
.constraints = {
- .name = "VDD_INT_SMDK4212",
+ .name = "VDD_INT_SMDK4X12",
.min_uV = 950000,
.max_uV = 1150000,
.always_on = 1,
@@ -136,7 +136,7 @@ static struct regulator_init_data max8997_buck2_data = {
static struct regulator_init_data max8997_buck3_data = {
.constraints = {
- .name = "VDD_G3D_SMDK4212",
+ .name = "VDD_G3D_SMDK4X12",
.min_uV = 950000,
.max_uV = 1150000,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
@@ -149,15 +149,15 @@ static struct regulator_init_data max8997_buck3_data = {
.consumer_supplies = &max8997_buck3,
};
-static struct max8997_regulator_data smdk4212_max8997_regulators[] = {
+static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
{ MAX8997_BUCK1, &max8997_buck1_data },
{ MAX8997_BUCK2, &max8997_buck2_data },
{ MAX8997_BUCK3, &max8997_buck3_data },
};
-static struct max8997_platform_data smdk4212_max8997_pdata = {
- .num_regulators = ARRAY_SIZE(smdk4212_max8997_regulators),
- .regulators = smdk4212_max8997_regulators,
+static struct max8997_platform_data smdk4x12_max8997_pdata = {
+ .num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
+ .regulators = smdk4x12_max8997_regulators,
.buck1_voltage[0] = 1100000, /* 1.1V */
.buck1_voltage[1] = 1100000, /* 1.1V */
@@ -187,53 +187,53 @@ static struct max8997_platform_data smdk4212_max8997_pdata = {
.buck5_voltage[7] = 1100000, /* 1.1V */
};
-static struct i2c_board_info smdk4212_i2c_devs0[] __initdata = {
+static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
{
I2C_BOARD_INFO("max8997", 0x66),
- .platform_data = &smdk4212_max8997_pdata,
+ .platform_data = &smdk4x12_max8997_pdata,
}
};
-static struct i2c_board_info smdk4212_i2c_devs1[] __initdata = {
+static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("wm8994", 0x1a), }
};
-static struct i2c_board_info smdk4212_i2c_devs3[] __initdata = {
+static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
/* nothing here yet */
};
-static struct i2c_board_info smdk4212_i2c_devs7[] __initdata = {
+static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
/* nothing here yet */
};
-static struct samsung_bl_gpio_info smdk4212_bl_gpio_info = {
+static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
.no = EXYNOS4_GPD0(1),
.func = S3C_GPIO_SFN(2),
};
-static struct platform_pwm_backlight_data smdk4212_bl_data = {
+static struct platform_pwm_backlight_data smdk4x12_bl_data = {
.pwm_id = 1,
.pwm_period_ns = 1000,
};
-static uint32_t smdk4212_keymap[] __initdata = {
+static uint32_t smdk4x12_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
};
-static struct matrix_keymap_data smdk4212_keymap_data __initdata = {
- .keymap = smdk4212_keymap,
- .keymap_size = ARRAY_SIZE(smdk4212_keymap),
+static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
+ .keymap = smdk4x12_keymap,
+ .keymap_size = ARRAY_SIZE(smdk4x12_keymap),
};
-static struct samsung_keypad_platdata smdk4212_keypad_data __initdata = {
- .keymap_data = &smdk4212_keymap_data,
+static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
+ .keymap_data = &smdk4x12_keymap_data,
.rows = 2,
.cols = 5,
};
-static struct platform_device *smdk4212_devices[] __initdata = {
+static struct platform_device *smdk4x12_devices[] __initdata = {
&s3c_device_hsmmc2,
&s3c_device_hsmmc3,
&s3c_device_i2c0,
@@ -245,48 +245,58 @@ static struct platform_device *smdk4212_devices[] __initdata = {
&samsung_device_keypad,
};
-static void __init smdk4212_map_io(void)
+static void __init smdk4x12_map_io(void)
{
clk_xusbxti.rate = 24000000;
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
s3c24xx_init_clocks(clk_xusbxti.rate);
- s3c24xx_init_uarts(smdk4212_uartcfgs, ARRAY_SIZE(smdk4212_uartcfgs));
+ s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
}
-static void __init smdk4212_machine_init(void)
+static void __init smdk4x12_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
- i2c_register_board_info(0, smdk4212_i2c_devs0,
- ARRAY_SIZE(smdk4212_i2c_devs0));
+ i2c_register_board_info(0, smdk4x12_i2c_devs0,
+ ARRAY_SIZE(smdk4x12_i2c_devs0));
s3c_i2c1_set_platdata(NULL);
- i2c_register_board_info(1, smdk4212_i2c_devs1,
- ARRAY_SIZE(smdk4212_i2c_devs1));
+ i2c_register_board_info(1, smdk4x12_i2c_devs1,
+ ARRAY_SIZE(smdk4x12_i2c_devs1));
s3c_i2c3_set_platdata(NULL);
- i2c_register_board_info(3, smdk4212_i2c_devs3,
- ARRAY_SIZE(smdk4212_i2c_devs3));
+ i2c_register_board_info(3, smdk4x12_i2c_devs3,
+ ARRAY_SIZE(smdk4x12_i2c_devs3));
s3c_i2c7_set_platdata(NULL);
- i2c_register_board_info(7, smdk4212_i2c_devs7,
- ARRAY_SIZE(smdk4212_i2c_devs7));
+ i2c_register_board_info(7, smdk4x12_i2c_devs7,
+ ARRAY_SIZE(smdk4x12_i2c_devs7));
- samsung_bl_set(&smdk4212_bl_gpio_info, &smdk4212_bl_data);
+ samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
- samsung_keypad_set_platdata(&smdk4212_keypad_data);
+ samsung_keypad_set_platdata(&smdk4x12_keypad_data);
- s3c_sdhci2_set_platdata(&smdk4212_hsmmc2_pdata);
- s3c_sdhci3_set_platdata(&smdk4212_hsmmc3_pdata);
+ s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
+ s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
- platform_add_devices(smdk4212_devices, ARRAY_SIZE(smdk4212_devices));
+ platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
}
MACHINE_START(SMDK4212, "SMDK4212")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
- .boot_params = S5P_PA_SDRAM + 0x100,
+ .atag_offset = 0x100,
.init_irq = exynos4_init_irq,
- .map_io = smdk4212_map_io,
- .init_machine = smdk4212_machine_init,
+ .map_io = smdk4x12_map_io,
+ .init_machine = smdk4x12_machine_init,
+ .timer = &exynos4_timer,
+MACHINE_END
+
+MACHINE_START(SMDK4412, "SMDK4412")
+ /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+ /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
+ .atag_offset = 0x100,
+ .init_irq = exynos4_init_irq,
+ .map_io = smdk4x12_map_io,
+ .init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
MACHINE_END
diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index 35a763e9a659..cec2afabe7b4 100644
--- a/arch/arm/mach-exynos4/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -372,7 +372,7 @@ static void __init smdkv310_machine_init(void)
MACHINE_START(SMDKV310, "SMDKV310")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
- .boot_params = S5P_PA_SDRAM + 0x100,
+ .atag_offset = 0x100,
.init_irq = exynos4_init_irq,
.map_io = smdkv310_map_io,
.init_machine = smdkv310_machine_init,
@@ -382,7 +382,7 @@ MACHINE_END
MACHINE_START(SMDKC210, "SMDKC210")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
- .boot_params = S5P_PA_SDRAM + 0x100,
+ .atag_offset = 0x100,
.init_irq = exynos4_init_irq,
.map_io = smdkv310_map_io,
.init_machine = smdkv310_machine_init,
diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c
index ddd86864fb83..eb182f29f48f 100644
--- a/arch/arm/mach-exynos4/mct.c
+++ b/arch/arm/mach-exynos4/mct.c
@@ -20,19 +20,31 @@
#include <linux/delay.h>
#include <linux/percpu.h>
+#include <asm/hardware/gic.h>
+
+#include <plat/cpu.h>
+
#include <mach/map.h>
+#include <mach/irqs.h>
#include <mach/regs-mct.h>
#include <asm/mach/time.h>
+enum {
+ MCT_INT_SPI,
+ MCT_INT_PPI
+};
+
static unsigned long clk_cnt_per_tick;
static unsigned long clk_rate;
+static unsigned int mct_int_type;
struct mct_clock_event_device {
struct clock_event_device *evt;
void __iomem *base;
+ char name[10];
};
-struct mct_clock_event_device mct_tick[2];
+struct mct_clock_event_device mct_tick[NR_CPUS];
static void exynos4_mct_write(unsigned int value, void *addr)
{
@@ -42,57 +54,53 @@ static void exynos4_mct_write(unsigned int value, void *addr)
__raw_writel(value, addr);
- switch ((u32) addr) {
- case (u32) EXYNOS4_MCT_G_TCON:
- stat_addr = EXYNOS4_MCT_G_WSTAT;
- mask = 1 << 16; /* G_TCON write status */
- break;
- case (u32) EXYNOS4_MCT_G_COMP0_L:
- stat_addr = EXYNOS4_MCT_G_WSTAT;
- mask = 1 << 0; /* G_COMP0_L write status */
- break;
- case (u32) EXYNOS4_MCT_G_COMP0_U:
- stat_addr = EXYNOS4_MCT_G_WSTAT;
- mask = 1 << 1; /* G_COMP0_U write status */
- break;
- case (u32) EXYNOS4_MCT_G_COMP0_ADD_INCR:
- stat_addr = EXYNOS4_MCT_G_WSTAT;
- mask = 1 << 2; /* G_COMP0_ADD_INCR write status */
- break;
- case (u32) EXYNOS4_MCT_G_CNT_L:
- stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
- mask = 1 << 0; /* G_CNT_L write status */
- break;
- case (u32) EXYNOS4_MCT_G_CNT_U:
- stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
- mask = 1 << 1; /* G_CNT_U write status */
- break;
- case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_TCON_OFFSET):
- stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 3; /* L0_TCON write status */
- break;
- case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_TCON_OFFSET):
- stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 3; /* L1_TCON write status */
- break;
- case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_TCNTB_OFFSET):
- stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 0; /* L0_TCNTB write status */
- break;
- case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_TCNTB_OFFSET):
- stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 0; /* L1_TCNTB write status */
- break;
- case (u32)(EXYNOS4_MCT_L0_BASE + MCT_L_ICNTB_OFFSET):
- stat_addr = EXYNOS4_MCT_L0_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 1; /* L0_ICNTB write status */
- break;
- case (u32)(EXYNOS4_MCT_L1_BASE + MCT_L_ICNTB_OFFSET):
- stat_addr = EXYNOS4_MCT_L1_BASE + MCT_L_WSTAT_OFFSET;
- mask = 1 << 1; /* L1_ICNTB write status */
- break;
- default:
- return;
+ if (likely(addr >= EXYNOS4_MCT_L_BASE(0))) {
+ u32 base = (u32) addr & EXYNOS4_MCT_L_MASK;
+ switch ((u32) addr & ~EXYNOS4_MCT_L_MASK) {
+ case (u32) MCT_L_TCON_OFFSET:
+ stat_addr = (void __iomem *) base + MCT_L_WSTAT_OFFSET;
+ mask = 1 << 3; /* L_TCON write status */
+ break;
+ case (u32) MCT_L_ICNTB_OFFSET:
+ stat_addr = (void __iomem *) base + MCT_L_WSTAT_OFFSET;
+ mask = 1 << 1; /* L_ICNTB write status */
+ break;
+ case (u32) MCT_L_TCNTB_OFFSET:
+ stat_addr = (void __iomem *) base + MCT_L_WSTAT_OFFSET;
+ mask = 1 << 0; /* L_TCNTB write status */
+ break;
+ default:
+ return;
+ }
+ } else {
+ switch ((u32) addr) {
+ case (u32) EXYNOS4_MCT_G_TCON:
+ stat_addr = EXYNOS4_MCT_G_WSTAT;
+ mask = 1 << 16; /* G_TCON write status */
+ break;
+ case (u32) EXYNOS4_MCT_G_COMP0_L:
+ stat_addr = EXYNOS4_MCT_G_WSTAT;
+ mask = 1 << 0; /* G_COMP0_L write status */
+ break;
+ case (u32) EXYNOS4_MCT_G_COMP0_U:
+ stat_addr = EXYNOS4_MCT_G_WSTAT;
+ mask = 1 << 1; /* G_COMP0_U write status */
+ break;
+ case (u32) EXYNOS4_MCT_G_COMP0_ADD_INCR:
+ stat_addr = EXYNOS4_MCT_G_WSTAT;
+ mask = 1 << 2; /* G_COMP0_ADD_INCR w status */
+ break;
+ case (u32) EXYNOS4_MCT_G_CNT_L:
+ stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
+ mask = 1 << 0; /* G_CNT_L write status */
+ break;
+ case (u32) EXYNOS4_MCT_G_CNT_U:
+ stat_addr = EXYNOS4_MCT_G_CNT_WSTAT;
+ mask = 1 << 1; /* G_CNT_U write status */
+ break;
+ default:
+ return;
+ }
}
/* Wait maximum 1 ms until written values are applied */
@@ -321,9 +329,8 @@ static inline void exynos4_tick_set_mode(enum clock_event_mode mode,
}
}
-static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
+static int exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
{
- struct mct_clock_event_device *mevt = dev_id;
struct clock_event_device *evt = mevt->evt;
/*
@@ -335,7 +342,20 @@ static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
exynos4_mct_tick_stop(mevt);
/* Clear the MCT tick interrupt */
- exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
+ if (__raw_readl(mevt->base + MCT_L_INT_CSTAT_OFFSET) & 1) {
+ exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
+{
+ struct mct_clock_event_device *mevt = dev_id;
+ struct clock_event_device *evt = mevt->evt;
+
+ exynos4_mct_tick_clear(mevt);
evt->event_handler(evt);
@@ -360,14 +380,10 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt)
mct_tick[cpu].evt = evt;
- if (cpu == 0) {
- mct_tick[cpu].base = EXYNOS4_MCT_L0_BASE;
- evt->name = "mct_tick0";
- } else {
- mct_tick[cpu].base = EXYNOS4_MCT_L1_BASE;
- evt->name = "mct_tick1";
- }
+ mct_tick[cpu].base = EXYNOS4_MCT_L_BASE(cpu);
+ sprintf(mct_tick[cpu].name, "mct_tick%d", cpu);
+ evt->name = mct_tick[cpu].name;
evt->cpumask = cpumask_of(cpu);
evt->set_next_event = exynos4_tick_set_next_event;
evt->set_mode = exynos4_tick_set_mode;
@@ -384,13 +400,17 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt)
exynos4_mct_write(0x1, mct_tick[cpu].base + MCT_L_TCNTB_OFFSET);
- if (cpu == 0) {
- mct_tick0_event_irq.dev_id = &mct_tick[cpu];
- setup_irq(IRQ_MCT_L0, &mct_tick0_event_irq);
+ if (mct_int_type == MCT_INT_SPI) {
+ if (cpu == 0) {
+ mct_tick0_event_irq.dev_id = &mct_tick[cpu];
+ setup_irq(IRQ_MCT_L0, &mct_tick0_event_irq);
+ } else {
+ mct_tick1_event_irq.dev_id = &mct_tick[cpu];
+ setup_irq(IRQ_MCT_L1, &mct_tick1_event_irq);
+ irq_set_affinity(IRQ_MCT_L1, cpumask_of(1));
+ }
} else {
- mct_tick1_event_irq.dev_id = &mct_tick[cpu];
- setup_irq(IRQ_MCT_L1, &mct_tick1_event_irq);
- irq_set_affinity(IRQ_MCT_L1, cpumask_of(1));
+ gic_enable_ppi(IRQ_MCT_LOCALTIMER);
}
}
@@ -404,7 +424,10 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
int local_timer_ack(void)
{
- return 0;
+ unsigned int cpu = smp_processor_id();
+ struct mct_clock_event_device *mevt = &mct_tick[cpu];
+
+ return exynos4_mct_tick_clear(mevt);
}
#endif /* CONFIG_LOCAL_TIMERS */
@@ -419,6 +442,11 @@ static void __init exynos4_timer_resources(void)
static void __init exynos4_timer_init(void)
{
+ if (soc_is_exynos4210())
+ mct_int_type = MCT_INT_SPI;
+ else
+ mct_int_type = MCT_INT_PPI;
+
exynos4_timer_resources();
exynos4_clocksource_init();
exynos4_clockevent_init();
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index a3346e36d0ae..d5f0f299ba0d 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -32,6 +32,7 @@
#include <plat/cpu.h>
+extern unsigned int gic_bank_offset;
extern void exynos4_secondary_startup(void);
#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
@@ -67,9 +68,9 @@ static DEFINE_SPINLOCK(boot_lock);
static void __cpuinit exynos4_gic_secondary_init(void)
{
void __iomem *dist_base = S5P_VA_GIC_DIST +
- (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id());
+ (gic_bank_offset * smp_processor_id());
void __iomem *cpu_base = S5P_VA_GIC_CPU +
- (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id());
+ (gic_bank_offset * smp_processor_id());
int i;
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 15:44:16 +0100