| // SPDX-License-Identifier: GPL-2.0+ |
| // |
| // Copyright (c) 2004-2005 Simtec Electronics |
| // http://www.simtec.co.uk/products/SWLINUX/ |
| // Ben Dooks <ben@simtec.co.uk> |
| // |
| // Common code for S3C24XX machines |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #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/clk-s3c2410.h> |
| #include <linux/platform_data/dma-s3c24xx.h> |
| #include <linux/dmaengine.h> |
| #include <linux/clk/samsung.h> |
| |
| #include "hardware-s3c24xx.h" |
| #include "map.h" |
| #include "regs-clock.h" |
| #include <asm/irq.h> |
| #include <asm/cacheflush.h> |
| #include <asm/system_info.h> |
| #include <asm/system_misc.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include "regs-gpio.h" |
| #include "dma-s3c24xx.h" |
| |
| #include "cpu.h" |
| #include "devs.h" |
| #include "pwm-core.h" |
| |
| #include "s3c24xx.h" |
| |
| /* table of supported CPUs */ |
| |
| static const char name_s3c2410[] = "S3C2410"; |
| static const char name_s3c2412[] = "S3C2412"; |
| static const char name_s3c2416[] = "S3C2416/S3C2450"; |
| static const char name_s3c2440[] = "S3C2440"; |
| static const char name_s3c2442[] = "S3C2442"; |
| static const char name_s3c2442b[] = "S3C2442B"; |
| static const char name_s3c2443[] = "S3C2443"; |
| static const char name_s3c2410a[] = "S3C2410A"; |
| static const char name_s3c2440a[] = "S3C2440A"; |
| |
| static struct cpu_table cpu_ids[] __initdata = { |
| { |
| .idcode = 0x32410000, |
| .idmask = 0xffffffff, |
| .map_io = s3c2410_map_io, |
| .init_uarts = s3c2410_init_uarts, |
| .init = s3c2410_init, |
| .name = name_s3c2410 |
| }, |
| { |
| .idcode = 0x32410002, |
| .idmask = 0xffffffff, |
| .map_io = s3c2410_map_io, |
| .init_uarts = s3c2410_init_uarts, |
| .init = s3c2410a_init, |
| .name = name_s3c2410a |
| }, |
| { |
| .idcode = 0x32440000, |
| .idmask = 0xffffffff, |
| .map_io = s3c2440_map_io, |
| .init_uarts = s3c244x_init_uarts, |
| .init = s3c2440_init, |
| .name = name_s3c2440 |
| }, |
| { |
| .idcode = 0x32440001, |
| .idmask = 0xffffffff, |
| .map_io = s3c2440_map_io, |
| .init_uarts = s3c244x_init_uarts, |
| .init = s3c2440_init, |
| .name = name_s3c2440a |
| }, |
| { |
| .idcode = 0x32440aaa, |
| .idmask = 0xffffffff, |
| .map_io = s3c2442_map_io, |
| .init_uarts = s3c244x_init_uarts, |
| .init = s3c2442_init, |
| .name = name_s3c2442 |
| }, |
| { |
| .idcode = 0x32440aab, |
| .idmask = 0xffffffff, |
| .map_io = s3c2442_map_io, |
| .init_uarts = s3c244x_init_uarts, |
| .init = s3c2442_init, |
| .name = name_s3c2442b |
| }, |
| { |
| .idcode = 0x32412001, |
| .idmask = 0xffffffff, |
| .map_io = s3c2412_map_io, |
| .init_uarts = s3c2412_init_uarts, |
| .init = s3c2412_init, |
| .name = name_s3c2412, |
| }, |
| { /* a newer version of the s3c2412 */ |
| .idcode = 0x32412003, |
| .idmask = 0xffffffff, |
| .map_io = s3c2412_map_io, |
| .init_uarts = s3c2412_init_uarts, |
| .init = s3c2412_init, |
| .name = name_s3c2412, |
| }, |
| { /* a strange version of the s3c2416 */ |
| .idcode = 0x32450003, |
| .idmask = 0xffffffff, |
| .map_io = s3c2416_map_io, |
| .init_uarts = s3c2416_init_uarts, |
| .init = s3c2416_init, |
| .name = name_s3c2416, |
| }, |
| { |
| .idcode = 0x32443001, |
| .idmask = 0xffffffff, |
| .map_io = s3c2443_map_io, |
| .init_uarts = s3c2443_init_uarts, |
| .init = s3c2443_init, |
| .name = name_s3c2443, |
| }, |
| }; |
| |
| /* minimal IO mapping */ |
| |
| static struct map_desc s3c_iodesc[] __initdata __maybe_unused = { |
| IODESC_ENT(GPIO), |
| IODESC_ENT(IRQ), |
| IODESC_ENT(MEMCTRL), |
| IODESC_ENT(UART) |
| }; |
| |
| /* read cpu identification code */ |
| |
| static unsigned long s3c24xx_read_idcode_v5(void) |
| { |
| #if defined(CONFIG_CPU_S3C2416) |
| /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */ |
| |
| u32 gs = __raw_readl(S3C24XX_GSTATUS1); |
| |
| /* test for s3c2416 or similar device */ |
| if ((gs >> 16) == 0x3245) |
| return gs; |
| #endif |
| |
| #if defined(CONFIG_CPU_S3C2412) |
| return __raw_readl(S3C2412_GSTATUS1); |
| #else |
| return 1UL; /* don't look like an 2400 */ |
| #endif |
| } |
| |
| static unsigned long s3c24xx_read_idcode_v4(void) |
| { |
| return __raw_readl(S3C2410_GSTATUS1); |
| } |
| |
| static void s3c24xx_default_idle(void) |
| { |
| unsigned long tmp = 0; |
| int i; |
| |
| /* idle the system by using the idle mode which will wait for an |
| * interrupt to happen before restarting the system. |
| */ |
| |
| /* Warning: going into idle state upsets jtag scanning */ |
| |
| __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE, |
| S3C2410_CLKCON); |
| |
| /* the samsung port seems to do a loop and then unset idle.. */ |
| for (i = 0; i < 50; i++) |
| tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */ |
| |
| /* this bit is not cleared on re-start... */ |
| |
| __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE, |
| S3C2410_CLKCON); |
| } |
| |
| static struct samsung_pwm_variant s3c24xx_pwm_variant = { |
| .bits = 16, |
| .div_base = 1, |
| .has_tint_cstat = false, |
| .tclk_mask = (1 << 4), |
| }; |
| |
| void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) |
| { |
| arm_pm_idle = s3c24xx_default_idle; |
| |
| /* initialise the io descriptors we need for initialisation */ |
| iotable_init(mach_desc, size); |
| iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); |
| |
| if (cpu_architecture() >= CPU_ARCH_ARMv5) { |
| samsung_cpu_id = s3c24xx_read_idcode_v5(); |
| } else { |
| samsung_cpu_id = s3c24xx_read_idcode_v4(); |
| } |
| |
| s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); |
| |
| samsung_pwm_set_platdata(&s3c24xx_pwm_variant); |
| } |
| |
| void __init s3c24xx_set_timer_source(unsigned int event, unsigned int source) |
| { |
| s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1; |
| s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source)); |
| } |
| |
| void __init s3c24xx_timer_init(void) |
| { |
| unsigned int timer_irqs[SAMSUNG_PWM_NUM] = { |
| IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4, |
| }; |
| |
| samsung_pwm_clocksource_init(S3C_VA_TIMER, |
| timer_irqs, &s3c24xx_pwm_variant); |
| } |
| |
| /* Serial port registrations */ |
| |
| #define S3C2410_PA_UART0 (S3C24XX_PA_UART) |
| #define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 ) |
| #define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 ) |
| #define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 ) |
| |
| static struct resource s3c2410_uart0_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K), |
| [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \ |
| IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \ |
| NULL, IORESOURCE_IRQ) |
| }; |
| |
| static struct resource s3c2410_uart1_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K), |
| [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \ |
| IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \ |
| NULL, IORESOURCE_IRQ) |
| }; |
| |
| static struct resource s3c2410_uart2_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K), |
| [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \ |
| IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \ |
| NULL, IORESOURCE_IRQ) |
| }; |
| |
| static struct resource s3c2410_uart3_resource[] = { |
| [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K), |
| [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \ |
| IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \ |
| NULL, IORESOURCE_IRQ) |
| }; |
| |
| struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = { |
| [0] = { |
| .resources = s3c2410_uart0_resource, |
| .nr_resources = ARRAY_SIZE(s3c2410_uart0_resource), |
| }, |
| [1] = { |
| .resources = s3c2410_uart1_resource, |
| .nr_resources = ARRAY_SIZE(s3c2410_uart1_resource), |
| }, |
| [2] = { |
| .resources = s3c2410_uart2_resource, |
| .nr_resources = ARRAY_SIZE(s3c2410_uart2_resource), |
| }, |
| [3] = { |
| .resources = s3c2410_uart3_resource, |
| .nr_resources = ARRAY_SIZE(s3c2410_uart3_resource), |
| }, |
| }; |
| |
| #define s3c24xx_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) })) |
| |
| #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 const struct dma_slave_map s3c2410_dma_slave_map[] = { |
| { "s3c2410-sdi", "rx-tx", (void *)DMACH_SDI }, |
| { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0_RX }, |
| { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0_TX }, |
| { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1_RX }, |
| { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1_TX }, |
| /* |
| * The DMA request source[1] (DMACH_UARTx_SRC2) are |
| * not used in the UART driver. |
| */ |
| { "s3c2410-uart.0", "rx", (void *)DMACH_UART0 }, |
| { "s3c2410-uart.0", "tx", (void *)DMACH_UART0 }, |
| { "s3c2410-uart.1", "rx", (void *)DMACH_UART1 }, |
| { "s3c2410-uart.1", "tx", (void *)DMACH_UART1 }, |
| { "s3c2410-uart.2", "rx", (void *)DMACH_UART2 }, |
| { "s3c2410-uart.2", "tx", (void *)DMACH_UART2 }, |
| { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN }, |
| { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT }, |
| { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 }, |
| { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 } |
| }; |
| |
| static struct s3c24xx_dma_platdata s3c2410_dma_platdata = { |
| .num_phy_channels = 4, |
| .channels = s3c2410_dma_channels, |
| .num_channels = DMACH_MAX, |
| .slave_map = s3c2410_dma_slave_map, |
| .slavecnt = ARRAY_SIZE(s3c2410_dma_slave_map), |
| }; |
| |
| struct platform_device s3c2410_device_dma = { |
| .name = "s3c2410-dma", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| .resource = s3c2410_dma_resource, |
| .dev = { |
| .dma_mask = &s3c24xx_device_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .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 const struct dma_slave_map s3c2412_dma_slave_map[] = { |
| { "s3c2412-sdi", "rx-tx", (void *)DMACH_SDI }, |
| { "s3c2412-spi.0", "rx", (void *)DMACH_SPI0_RX }, |
| { "s3c2412-spi.0", "tx", (void *)DMACH_SPI0_TX }, |
| { "s3c2412-spi.1", "rx", (void *)DMACH_SPI1_RX }, |
| { "s3c2412-spi.1", "tx", (void *)DMACH_SPI1_TX }, |
| { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 }, |
| { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 }, |
| { "s3c2412-iis", "rx", (void *)DMACH_I2S_IN }, |
| { "s3c2412-iis", "tx", (void *)DMACH_I2S_OUT }, |
| { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 }, |
| { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 } |
| }; |
| |
| static struct s3c24xx_dma_platdata s3c2412_dma_platdata = { |
| .num_phy_channels = 4, |
| .channels = s3c2412_dma_channels, |
| .num_channels = DMACH_MAX, |
| .slave_map = s3c2412_dma_slave_map, |
| .slavecnt = ARRAY_SIZE(s3c2412_dma_slave_map), |
| }; |
| |
| struct platform_device s3c2412_device_dma = { |
| .name = "s3c2412-dma", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| .resource = s3c2410_dma_resource, |
| .dev = { |
| .dma_mask = &s3c24xx_device_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .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 const struct dma_slave_map s3c2440_dma_slave_map[] = { |
| /* TODO: DMACH_XD0 */ |
| /* TODO: DMACH_XD1 */ |
| { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI }, |
| { "s3c2410-spi.0", "rx", (void *)DMACH_SPI0 }, |
| { "s3c2410-spi.0", "tx", (void *)DMACH_SPI0 }, |
| { "s3c2410-spi.1", "rx", (void *)DMACH_SPI1 }, |
| { "s3c2410-spi.1", "tx", (void *)DMACH_SPI1 }, |
| { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 }, |
| { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 }, |
| { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 }, |
| { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 }, |
| /* TODO: DMACH_TIMER */ |
| { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN }, |
| { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT }, |
| { "samsung-ac97", "rx", (void *)DMACH_PCM_IN }, |
| { "samsung-ac97", "tx", (void *)DMACH_PCM_OUT }, |
| { "samsung-ac97", "rx", (void *)DMACH_MIC_IN }, |
| { "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 }, |
| { "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 }, |
| { "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 }, |
| { "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 }, |
| { "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 } |
| }; |
| |
| static struct s3c24xx_dma_platdata s3c2440_dma_platdata = { |
| .num_phy_channels = 4, |
| .channels = s3c2440_dma_channels, |
| .num_channels = DMACH_MAX, |
| .slave_map = s3c2440_dma_slave_map, |
| .slavecnt = ARRAY_SIZE(s3c2440_dma_slave_map), |
| }; |
| |
| struct platform_device s3c2440_device_dma = { |
| .name = "s3c2410-dma", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| .resource = s3c2410_dma_resource, |
| .dev = { |
| .dma_mask = &s3c24xx_device_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &s3c2440_dma_platdata, |
| }, |
| }; |
| #endif |
| |
| #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 const struct dma_slave_map s3c2443_dma_slave_map[] = { |
| { "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI }, |
| { "s3c2443-spi.0", "rx", (void *)DMACH_SPI0_RX }, |
| { "s3c2443-spi.0", "tx", (void *)DMACH_SPI0_TX }, |
| { "s3c2443-spi.1", "rx", (void *)DMACH_SPI1_RX }, |
| { "s3c2443-spi.1", "tx", (void *)DMACH_SPI1_TX }, |
| { "s3c2440-uart.0", "rx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.0", "tx", (void *)DMACH_UART0 }, |
| { "s3c2440-uart.1", "rx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.1", "tx", (void *)DMACH_UART1 }, |
| { "s3c2440-uart.2", "rx", (void *)DMACH_UART2 }, |
| { "s3c2440-uart.2", "tx", (void *)DMACH_UART2 }, |
| { "s3c2440-uart.3", "rx", (void *)DMACH_UART3 }, |
| { "s3c2440-uart.3", "tx", (void *)DMACH_UART3 }, |
| { "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN }, |
| { "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT }, |
| }; |
| |
| static struct s3c24xx_dma_platdata s3c2443_dma_platdata = { |
| .num_phy_channels = 6, |
| .channels = s3c2443_dma_channels, |
| .num_channels = DMACH_MAX, |
| .slave_map = s3c2443_dma_slave_map, |
| .slavecnt = ARRAY_SIZE(s3c2443_dma_slave_map), |
| }; |
| |
| struct platform_device s3c2443_device_dma = { |
| .name = "s3c2443-dma", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c2443_dma_resource), |
| .resource = s3c2443_dma_resource, |
| .dev = { |
| .dma_mask = &s3c24xx_device_dma_mask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &s3c2443_dma_platdata, |
| }, |
| }; |
| #endif |
| |
| #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410) |
| void __init s3c2410_init_clocks(int xtal) |
| { |
| s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); |
| } |
| #endif |
| |
| #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); |
| } |
| #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); |
| } |
| #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), |
| }; |
| |
| static struct s3c2410_clk_platform_data s3c_clk_platform_data = { |
| .modify_misccr = s3c2410_modify_misccr, |
| }; |
| |
| struct platform_device s3c2410_device_dclk = { |
| .name = "s3c2410-dclk", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(s3c2410_dclk_resource), |
| .resource = s3c2410_dclk_resource, |
| .dev = { |
| .platform_data = &s3c_clk_platform_data, |
| }, |
| }; |
| #endif |
| |
| #ifndef CONFIG_COMPILE_TEST |
| #pragma message "The platform is deprecated and scheduled for removal. " \ |
| "Please reach to the maintainers of the platform " \ |
| "and linux-samsung-soc@vger.kernel.org if you still use it." \ |
| "Without such feedback, the platform will be removed after 2022." |
| #endif |
