diff options
Diffstat (limited to 'arch/m68k/coldfire/device.c')
| -rw-r--r-- | arch/m68k/coldfire/device.c | 164 |
1 files changed, 159 insertions, 5 deletions
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c index 908d58347790..b6958ec2a220 100644 --- a/arch/m68k/coldfire/device.c +++ b/arch/m68k/coldfire/device.c @@ -14,11 +14,15 @@ #include <linux/spi/spi.h> #include <linux/gpio.h> #include <linux/fec.h> +#include <linux/dmaengine.h> #include <asm/traps.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> #include <asm/mcfqspi.h> +#include <linux/platform_data/edma.h> +#include <linux/platform_data/dma-mcf-edma.h> +#include <linux/platform_data/mmc-esdhc-mcf.h> /* * All current ColdFire parts contain from 2, 3, 4 or 10 UARTS. @@ -89,7 +93,7 @@ static struct platform_device mcf_uart = { .dev.platform_data = mcf_uart_platform_data, }; -#if IS_ENABLED(CONFIG_FEC) +#ifdef MCFFEC_BASE0 #ifdef CONFIG_M5441x #define FEC_NAME "enet-fec" @@ -141,6 +145,7 @@ static struct platform_device mcf_fec0 = { .platform_data = FEC_PDATA, } }; +#endif /* MCFFEC_BASE0 */ #ifdef MCFFEC_BASE1 static struct resource mcf_fec1_resources[] = { @@ -178,7 +183,6 @@ static struct platform_device mcf_fec1 = { } }; #endif /* MCFFEC_BASE1 */ -#endif /* CONFIG_FEC */ #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) /* @@ -476,14 +480,156 @@ static struct platform_device mcf_i2c5 = { #endif /* MCFI2C_BASE5 */ #endif /* IS_ENABLED(CONFIG_I2C_IMX) */ +#ifdef MCFEDMA_BASE + +static const struct dma_slave_map mcf_edma_map[] = { + { "dreq0", "rx-tx", MCF_EDMA_FILTER_PARAM(0) }, + { "dreq1", "rx-tx", MCF_EDMA_FILTER_PARAM(1) }, + { "uart.0", "rx", MCF_EDMA_FILTER_PARAM(2) }, + { "uart.0", "tx", MCF_EDMA_FILTER_PARAM(3) }, + { "uart.1", "rx", MCF_EDMA_FILTER_PARAM(4) }, + { "uart.1", "tx", MCF_EDMA_FILTER_PARAM(5) }, + { "uart.2", "rx", MCF_EDMA_FILTER_PARAM(6) }, + { "uart.2", "tx", MCF_EDMA_FILTER_PARAM(7) }, + { "timer0", "rx-tx", MCF_EDMA_FILTER_PARAM(8) }, + { "timer1", "rx-tx", MCF_EDMA_FILTER_PARAM(9) }, + { "timer2", "rx-tx", MCF_EDMA_FILTER_PARAM(10) }, + { "timer3", "rx-tx", MCF_EDMA_FILTER_PARAM(11) }, + { "fsl-dspi.0", "rx", MCF_EDMA_FILTER_PARAM(12) }, + { "fsl-dspi.0", "tx", MCF_EDMA_FILTER_PARAM(13) }, + { "fsl-dspi.1", "rx", MCF_EDMA_FILTER_PARAM(14) }, + { "fsl-dspi.1", "tx", MCF_EDMA_FILTER_PARAM(15) }, +}; + +static struct mcf_edma_platform_data mcf_edma_data = { + .dma_channels = 64, + .slave_map = mcf_edma_map, + .slavecnt = ARRAY_SIZE(mcf_edma_map), +}; + +static struct resource mcf_edma_resources[] = { + { + .start = MCFEDMA_BASE, + .end = MCFEDMA_BASE + MCFEDMA_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MCFEDMA_IRQ_INTR0, + .end = MCFEDMA_IRQ_INTR0 + 15, + .flags = IORESOURCE_IRQ, + .name = "edma-tx-00-15", + }, + { + .start = MCFEDMA_IRQ_INTR16, + .end = MCFEDMA_IRQ_INTR16 + 39, + .flags = IORESOURCE_IRQ, + .name = "edma-tx-16-55", + }, + { + .start = MCFEDMA_IRQ_INTR56, + .end = MCFEDMA_IRQ_INTR56, + .flags = IORESOURCE_IRQ, + .name = "edma-tx-56-63", + }, + { + .start = MCFEDMA_IRQ_ERR, + .end = MCFEDMA_IRQ_ERR, + .flags = IORESOURCE_IRQ, + .name = "edma-err", + }, +}; + +static u64 mcf_edma_dmamask = DMA_BIT_MASK(32); + +static struct platform_device mcf_edma = { + .name = "mcf-edma", + .id = 0, + .num_resources = ARRAY_SIZE(mcf_edma_resources), + .resource = mcf_edma_resources, + .dev = { + .dma_mask = &mcf_edma_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &mcf_edma_data, + } +}; +#endif /* MCFEDMA_BASE */ + +#ifdef MCFSDHC_BASE +static struct mcf_esdhc_platform_data mcf_esdhc_data = { + .max_bus_width = 4, + .cd_type = ESDHC_CD_NONE, +}; + +static struct resource mcf_esdhc_resources[] = { + { + .start = MCFSDHC_BASE, + .end = MCFSDHC_BASE + MCFSDHC_SIZE - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MCF_IRQ_SDHC, + .end = MCF_IRQ_SDHC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_esdhc = { + .name = "sdhci-esdhc-mcf", + .id = 0, + .num_resources = ARRAY_SIZE(mcf_esdhc_resources), + .resource = mcf_esdhc_resources, + .dev.platform_data = &mcf_esdhc_data, +}; +#endif /* MCFSDHC_BASE */ + +#ifdef MCFFLEXCAN_SIZE + +#include <linux/can/platform/flexcan.h> + +static struct flexcan_platform_data mcf5441x_flexcan_info = { + .clk_src = 1, + .clock_frequency = 120000000, +}; + +static struct resource mcf5441x_flexcan0_resource[] = { + { + .start = MCFFLEXCAN_BASE0, + .end = MCFFLEXCAN_BASE0 + MCFFLEXCAN_SIZE, + .flags = IORESOURCE_MEM, + }, + { + .start = MCF_IRQ_IFL0, + .end = MCF_IRQ_IFL0, + .flags = IORESOURCE_IRQ, + }, + { + .start = MCF_IRQ_BOFF0, + .end = MCF_IRQ_BOFF0, + .flags = IORESOURCE_IRQ, + }, + { + .start = MCF_IRQ_ERR0, + .end = MCF_IRQ_ERR0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mcf_flexcan0 = { + .name = "flexcan-mcf5441x", + .id = 0, + .num_resources = ARRAY_SIZE(mcf5441x_flexcan0_resource), + .resource = mcf5441x_flexcan0_resource, + .dev.platform_data = &mcf5441x_flexcan_info, +}; +#endif /* MCFFLEXCAN_SIZE */ + static struct platform_device *mcf_devices[] __initdata = { &mcf_uart, -#if IS_ENABLED(CONFIG_FEC) +#ifdef MCFFEC_BASE0 &mcf_fec0, +#endif #ifdef MCFFEC_BASE1 &mcf_fec1, #endif -#endif #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) &mcf_qspi, #endif @@ -505,6 +651,15 @@ static struct platform_device *mcf_devices[] __initdata = { &mcf_i2c5, #endif #endif +#ifdef MCFEDMA_BASE + &mcf_edma, +#endif +#ifdef MCFSDHC_BASE + &mcf_esdhc, +#endif +#ifdef MCFFLEXCAN_SIZE + &mcf_flexcan0, +#endif }; /* @@ -533,4 +688,3 @@ static int __init mcf_init_devices(void) } arch_initcall(mcf_init_devices); - |