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Diffstat (limited to 'arch/arm/mach-s3c24xx/common.c')
-rw-r--r--arch/arm/mach-s3c24xx/common.c284
1 files changed, 262 insertions, 22 deletions
diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c
index 457261c9843..c0763b83774 100644
--- a/arch/arm/mach-s3c24xx/common.c
+++ b/arch/arm/mach-s3c24xx/common.c
@@ -27,10 +27,12 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/serial_core.h>
+#include <linux/serial_s3c.h>
#include <clocksource/samsung_pwm.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/platform_data/dma-s3c24xx.h>
#include <mach/hardware.h>
#include <mach/regs-clock.h>
@@ -43,7 +45,7 @@
#include <asm/mach/map.h>
#include <mach/regs-gpio.h>
-#include <plat/regs-serial.h>
+#include <mach/dma.h>
#include <plat/cpu.h>
#include <plat/devs.h>
@@ -51,6 +53,7 @@
#include <plat/cpu-freq.h>
#include <plat/pll.h>
#include <plat/pwm-core.h>
+#include <plat/watchdog-reset.h>
#include "common.h"
@@ -71,7 +74,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32410000,
.idmask = 0xffffffff,
.map_io = s3c2410_map_io,
- .init_clocks = s3c2410_init_clocks,
.init_uarts = s3c2410_init_uarts,
.init = s3c2410_init,
.name = name_s3c2410
@@ -80,7 +82,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32410002,
.idmask = 0xffffffff,
.map_io = s3c2410_map_io,
- .init_clocks = s3c2410_init_clocks,
.init_uarts = s3c2410_init_uarts,
.init = s3c2410a_init,
.name = name_s3c2410a
@@ -89,7 +90,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32440000,
.idmask = 0xffffffff,
.map_io = s3c2440_map_io,
- .init_clocks = s3c244x_init_clocks,
.init_uarts = s3c244x_init_uarts,
.init = s3c2440_init,
.name = name_s3c2440
@@ -98,7 +98,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32440001,
.idmask = 0xffffffff,
.map_io = s3c2440_map_io,
- .init_clocks = s3c244x_init_clocks,
.init_uarts = s3c244x_init_uarts,
.init = s3c2440_init,
.name = name_s3c2440a
@@ -107,7 +106,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32440aaa,
.idmask = 0xffffffff,
.map_io = s3c2442_map_io,
- .init_clocks = s3c244x_init_clocks,
.init_uarts = s3c244x_init_uarts,
.init = s3c2442_init,
.name = name_s3c2442
@@ -116,7 +114,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32440aab,
.idmask = 0xffffffff,
.map_io = s3c2442_map_io,
- .init_clocks = s3c244x_init_clocks,
.init_uarts = s3c244x_init_uarts,
.init = s3c2442_init,
.name = name_s3c2442b
@@ -125,7 +122,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32412001,
.idmask = 0xffffffff,
.map_io = s3c2412_map_io,
- .init_clocks = s3c2412_init_clocks,
.init_uarts = s3c2412_init_uarts,
.init = s3c2412_init,
.name = name_s3c2412,
@@ -134,7 +130,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32412003,
.idmask = 0xffffffff,
.map_io = s3c2412_map_io,
- .init_clocks = s3c2412_init_clocks,
.init_uarts = s3c2412_init_uarts,
.init = s3c2412_init,
.name = name_s3c2412,
@@ -143,7 +138,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32450003,
.idmask = 0xffffffff,
.map_io = s3c2416_map_io,
- .init_clocks = s3c2416_init_clocks,
.init_uarts = s3c2416_init_uarts,
.init = s3c2416_init,
.name = name_s3c2416,
@@ -152,7 +146,6 @@ static struct cpu_table cpu_ids[] __initdata = {
.idcode = 0x32443001,
.idmask = 0xffffffff,
.map_io = s3c2443_map_io,
- .init_clocks = s3c2443_init_clocks,
.init_uarts = s3c2443_init_uarts,
.init = s3c2443_init,
.name = name_s3c2443,
@@ -238,7 +231,6 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
} else {
samsung_cpu_id = s3c24xx_read_idcode_v4();
}
- s3c24xx_init_cpu();
s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
@@ -315,17 +307,265 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
},
};
-/* initialise all the clocks */
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
+ defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
+static struct resource s3c2410_dma_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
+ [1] = DEFINE_RES_IRQ(IRQ_DMA0),
+ [2] = DEFINE_RES_IRQ(IRQ_DMA1),
+ [3] = DEFINE_RES_IRQ(IRQ_DMA2),
+ [4] = DEFINE_RES_IRQ(IRQ_DMA3),
+};
+#endif
+
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
+static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
+ [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
+ [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
+ [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
+ S3C24XX_DMA_CHANREQ(2, 2) |
+ S3C24XX_DMA_CHANREQ(1, 3),
+ },
+ [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
+ [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
+ [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
+ [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
+ [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
+ [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
+ S3C24XX_DMA_CHANREQ(3, 2) |
+ S3C24XX_DMA_CHANREQ(3, 3),
+ },
+ [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
+ S3C24XX_DMA_CHANREQ(1, 2),
+ },
+ [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), },
+ [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
+ [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
+ [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
+ [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
+};
+
+static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
+ .num_phy_channels = 4,
+ .channels = s3c2410_dma_channels,
+ .num_channels = DMACH_MAX,
+};
+
+struct platform_device s3c2410_device_dma = {
+ .name = "s3c2410-dma",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
+ .resource = s3c2410_dma_resource,
+ .dev = {
+ .platform_data = &s3c2410_dma_platdata,
+ },
+};
+#endif
+
+#ifdef CONFIG_CPU_S3C2412
+static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
+ [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
+ [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
+ [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
+ [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
+ [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
+ [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
+ [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
+ [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
+ [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
+ [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
+ [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
+ [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
+ [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
+ [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
+ [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
+ [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
+ [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
+ [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
+ [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
+ [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
+};
+
+static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
+ .num_phy_channels = 4,
+ .channels = s3c2412_dma_channels,
+ .num_channels = DMACH_MAX,
+};
+
+struct platform_device s3c2412_device_dma = {
+ .name = "s3c2412-dma",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
+ .resource = s3c2410_dma_resource,
+ .dev = {
+ .platform_data = &s3c2412_dma_platdata,
+ },
+};
+#endif
+
+#if defined(CONFIG_CPU_S3C2440)
+static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
+ [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
+ [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
+ [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
+ S3C24XX_DMA_CHANREQ(6, 1) |
+ S3C24XX_DMA_CHANREQ(2, 2) |
+ S3C24XX_DMA_CHANREQ(1, 3),
+ },
+ [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
+ [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
+ [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
+ [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
+ [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
+ [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
+ S3C24XX_DMA_CHANREQ(3, 2) |
+ S3C24XX_DMA_CHANREQ(3, 3),
+ },
+ [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
+ S3C24XX_DMA_CHANREQ(1, 2),
+ },
+ [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
+ S3C24XX_DMA_CHANREQ(0, 2),
+ },
+ [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
+ S3C24XX_DMA_CHANREQ(5, 2),
+ },
+ [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
+ S3C24XX_DMA_CHANREQ(6, 3),
+ },
+ [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
+ S3C24XX_DMA_CHANREQ(5, 3),
+ },
+ [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
+ [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
+ [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
+ [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
+};
+
+static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
+ .num_phy_channels = 4,
+ .channels = s3c2440_dma_channels,
+ .num_channels = DMACH_MAX,
+};
+
+struct platform_device s3c2440_device_dma = {
+ .name = "s3c2410-dma",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c2410_dma_resource),
+ .resource = s3c2410_dma_resource,
+ .dev = {
+ .platform_data = &s3c2440_dma_platdata,
+ },
+};
+#endif
-void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
- unsigned long hclk,
- unsigned long pclk)
+#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
+static struct resource s3c2443_dma_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
+ [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
+ [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
+ [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
+ [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
+ [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
+ [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
+};
+
+static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
+ [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
+ [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
+ [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
+ [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
+ [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
+ [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
+ [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
+ [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
+ [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
+ [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
+ [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
+ [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
+ [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
+ [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
+ [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
+ [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
+ [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
+ [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
+ [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
+ [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
+ [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
+};
+
+static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
+ .num_phy_channels = 6,
+ .channels = s3c2443_dma_channels,
+ .num_channels = DMACH_MAX,
+};
+
+struct platform_device s3c2443_device_dma = {
+ .name = "s3c2443-dma",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c2443_dma_resource),
+ .resource = s3c2443_dma_resource,
+ .dev = {
+ .platform_data = &s3c2443_dma_platdata,
+ },
+};
+#endif
+
+#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
+void __init s3c2410_init_clocks(int xtal)
{
- clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON),
- clk_xtal.rate);
+ s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
+ samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG);
+}
+#endif
- clk_mpll.rate = fclk;
- clk_h.rate = hclk;
- clk_p.rate = pclk;
- clk_f.rate = fclk;
+#ifdef CONFIG_CPU_S3C2412
+void __init s3c2412_init_clocks(int xtal)
+{
+ s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
}
+#endif
+
+#ifdef CONFIG_CPU_S3C2416
+void __init s3c2416_init_clocks(int xtal)
+{
+ s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
+}
+#endif
+
+#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
+void __init s3c2440_init_clocks(int xtal)
+{
+ s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
+ samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG);
+}
+#endif
+
+#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
+void __init s3c2442_init_clocks(int xtal)
+{
+ s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR);
+ samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG);
+}
+#endif
+
+#ifdef CONFIG_CPU_S3C2443
+void __init s3c2443_init_clocks(int xtal)
+{
+ s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
+}
+#endif
+
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
+ defined(CONFIG_CPU_S3C2442)
+static struct resource s3c2410_dclk_resource[] = {
+ [0] = DEFINE_RES_MEM(0x56000084, 0x4),
+};
+
+struct platform_device s3c2410_device_dclk = {
+ .name = "s3c2410-dclk",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c2410_dclk_resource),
+ .resource = s3c2410_dclk_resource,
+};
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 11:33:40 +0000