diff options
Diffstat (limited to 'arch/arm/plat-orion/common.c')
-rw-r--r-- | arch/arm/plat-orion/common.c | 826 |
1 files changed, 826 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c new file mode 100644 index 0000000000..cabe983862 --- /dev/null +++ b/arch/arm/plat-orion/common.c @@ -0,0 +1,826 @@ +/* + * arch/arm/plat-orion/common.c + * + * Marvell Orion SoC common setup code used by multiple mach-/common.c + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/serial_8250.h> +#include <linux/ata_platform.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/mv643xx_eth.h> +#include <linux/mv643xx_i2c.h> +#include <linux/platform_data/dma-mv_xor.h> +#include <linux/platform_data/usb-ehci-orion.h> +#include <plat/common.h> +#include <linux/phy.h> + +/* Create a clkdev entry for a given device/clk */ +void __init orion_clkdev_add(const char *con_id, const char *dev_id, + struct clk *clk) +{ + clkdev_create(clk, con_id, "%s", dev_id); +} + +/* Create clkdev entries for all orion platforms except kirkwood. + Kirkwood has gated clocks for some of its peripherals, so creates + its own clkdev entries. For all the other orion devices, create + clkdev entries to the tclk. */ +void __init orion_clkdev_init(struct clk *tclk) +{ + orion_clkdev_add(NULL, "orion_spi.0", tclk); + orion_clkdev_add(NULL, "orion_spi.1", tclk); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".0", tclk); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", tclk); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".2", tclk); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".3", tclk); + orion_clkdev_add(NULL, "orion_wdt", tclk); + orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", tclk); +} + +/* Fill in the resources structure and link it into the platform + device structure. There is always a memory region, and nearly + always an interrupt.*/ +static void fill_resources(struct platform_device *device, + struct resource *resources, + resource_size_t mapbase, + resource_size_t size) +{ + device->resource = resources; + device->num_resources = 1; + resources[0].flags = IORESOURCE_MEM; + resources[0].start = mapbase; + resources[0].end = mapbase + size; +} + +static void fill_resources_irq(struct platform_device *device, + struct resource *resources, + resource_size_t mapbase, + resource_size_t size, + unsigned int irq) +{ + fill_resources(device, resources, mapbase, size); + + device->num_resources++; + resources[1].flags = IORESOURCE_IRQ; + resources[1].start = irq; + resources[1].end = irq; +} + +/***************************************************************************** + * UART + ****************************************************************************/ +static unsigned long __init uart_get_clk_rate(struct clk *clk) +{ + clk_prepare_enable(clk); + return clk_get_rate(clk); +} + +static void __init uart_complete( + struct platform_device *orion_uart, + struct plat_serial8250_port *data, + struct resource *resources, + void __iomem *membase, + resource_size_t mapbase, + unsigned int irq, + struct clk *clk) +{ + data->mapbase = mapbase; + data->membase = membase; + data->irq = irq; + data->uartclk = uart_get_clk_rate(clk); + orion_uart->dev.platform_data = data; + + fill_resources_irq(orion_uart, resources, mapbase, 0xff, irq); + platform_device_register(orion_uart); +} + +/***************************************************************************** + * UART0 + ****************************************************************************/ +static struct plat_serial8250_port orion_uart0_data[] = { + { + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + }, { + }, +}; + +static struct resource orion_uart0_resources[2]; + +static struct platform_device orion_uart0 = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, +}; + +void __init orion_uart0_init(void __iomem *membase, + resource_size_t mapbase, + unsigned int irq, + struct clk *clk) +{ + uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources, + membase, mapbase, irq, clk); +} + +/***************************************************************************** + * UART1 + ****************************************************************************/ +static struct plat_serial8250_port orion_uart1_data[] = { + { + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + }, { + }, +}; + +static struct resource orion_uart1_resources[2]; + +static struct platform_device orion_uart1 = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM1, +}; + +void __init orion_uart1_init(void __iomem *membase, + resource_size_t mapbase, + unsigned int irq, + struct clk *clk) +{ + uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources, + membase, mapbase, irq, clk); +} + +/***************************************************************************** + * UART2 + ****************************************************************************/ +static struct plat_serial8250_port orion_uart2_data[] = { + { + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + }, { + }, +}; + +static struct resource orion_uart2_resources[2]; + +static struct platform_device orion_uart2 = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM2, +}; + +void __init orion_uart2_init(void __iomem *membase, + resource_size_t mapbase, + unsigned int irq, + struct clk *clk) +{ + uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources, + membase, mapbase, irq, clk); +} + +/***************************************************************************** + * UART3 + ****************************************************************************/ +static struct plat_serial8250_port orion_uart3_data[] = { + { + .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + }, { + }, +}; + +static struct resource orion_uart3_resources[2]; + +static struct platform_device orion_uart3 = { + .name = "serial8250", + .id = 3, +}; + +void __init orion_uart3_init(void __iomem *membase, + resource_size_t mapbase, + unsigned int irq, + struct clk *clk) +{ + uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources, + membase, mapbase, irq, clk); +} + +/***************************************************************************** + * SoC RTC + ****************************************************************************/ +static struct resource orion_rtc_resource[2]; + +void __init orion_rtc_init(unsigned long mapbase, + unsigned long irq) +{ + orion_rtc_resource[0].start = mapbase; + orion_rtc_resource[0].end = mapbase + SZ_32 - 1; + orion_rtc_resource[0].flags = IORESOURCE_MEM; + orion_rtc_resource[1].start = irq; + orion_rtc_resource[1].end = irq; + orion_rtc_resource[1].flags = IORESOURCE_IRQ; + + platform_device_register_simple("rtc-mv", -1, orion_rtc_resource, 2); +} + +/***************************************************************************** + * GE + ****************************************************************************/ +static __init void ge_complete( + struct mv643xx_eth_shared_platform_data *orion_ge_shared_data, + struct resource *orion_ge_resource, unsigned long irq, + struct platform_device *orion_ge_shared, + struct platform_device *orion_ge_mvmdio, + struct mv643xx_eth_platform_data *eth_data, + struct platform_device *orion_ge) +{ + orion_ge_resource->start = irq; + orion_ge_resource->end = irq; + eth_data->shared = orion_ge_shared; + orion_ge->dev.platform_data = eth_data; + + platform_device_register(orion_ge_shared); + if (orion_ge_mvmdio) + platform_device_register(orion_ge_mvmdio); + platform_device_register(orion_ge); +} + +/***************************************************************************** + * GE00 + ****************************************************************************/ +static struct mv643xx_eth_shared_platform_data orion_ge00_shared_data; + +static struct resource orion_ge00_shared_resources[] = { + { + .name = "ge00 base", + }, +}; + +static struct platform_device orion_ge00_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 0, + .dev = { + .platform_data = &orion_ge00_shared_data, + }, +}; + +static struct resource orion_ge_mvmdio_resources[] = { + { + .name = "ge00 mvmdio base", + }, { + .name = "ge00 mvmdio err irq", + }, +}; + +static struct platform_device orion_ge_mvmdio = { + .name = "orion-mdio", + .id = -1, +}; + +static struct resource orion_ge00_resources[] = { + { + .name = "ge00 irq", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion_ge00 = { + .name = MV643XX_ETH_NAME, + .id = 0, + .num_resources = 1, + .resource = orion_ge00_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data, + unsigned long mapbase, + unsigned long irq, + unsigned long irq_err, + unsigned int tx_csum_limit) +{ + fill_resources(&orion_ge00_shared, orion_ge00_shared_resources, + mapbase + 0x2000, SZ_16K - 1); + fill_resources_irq(&orion_ge_mvmdio, orion_ge_mvmdio_resources, + mapbase + 0x2004, 0x84 - 1, irq_err); + orion_ge00_shared_data.tx_csum_limit = tx_csum_limit; + ge_complete(&orion_ge00_shared_data, + orion_ge00_resources, irq, &orion_ge00_shared, + &orion_ge_mvmdio, + eth_data, &orion_ge00); +} + +/***************************************************************************** + * GE01 + ****************************************************************************/ +static struct mv643xx_eth_shared_platform_data orion_ge01_shared_data; + +static struct resource orion_ge01_shared_resources[] = { + { + .name = "ge01 base", + } +}; + +static struct platform_device orion_ge01_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 1, + .dev = { + .platform_data = &orion_ge01_shared_data, + }, +}; + +static struct resource orion_ge01_resources[] = { + { + .name = "ge01 irq", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion_ge01 = { + .name = MV643XX_ETH_NAME, + .id = 1, + .num_resources = 1, + .resource = orion_ge01_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data, + unsigned long mapbase, + unsigned long irq, + unsigned int tx_csum_limit) +{ + fill_resources(&orion_ge01_shared, orion_ge01_shared_resources, + mapbase + 0x2000, SZ_16K - 1); + orion_ge01_shared_data.tx_csum_limit = tx_csum_limit; + ge_complete(&orion_ge01_shared_data, + orion_ge01_resources, irq, &orion_ge01_shared, + NULL, + eth_data, &orion_ge01); +} + +/***************************************************************************** + * GE10 + ****************************************************************************/ +static struct mv643xx_eth_shared_platform_data orion_ge10_shared_data; + +static struct resource orion_ge10_shared_resources[] = { + { + .name = "ge10 base", + } +}; + +static struct platform_device orion_ge10_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 2, + .dev = { + .platform_data = &orion_ge10_shared_data, + }, +}; + +static struct resource orion_ge10_resources[] = { + { + .name = "ge10 irq", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion_ge10 = { + .name = MV643XX_ETH_NAME, + .id = 2, + .num_resources = 1, + .resource = orion_ge10_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, + unsigned long mapbase, + unsigned long irq) +{ + fill_resources(&orion_ge10_shared, orion_ge10_shared_resources, + mapbase + 0x2000, SZ_16K - 1); + ge_complete(&orion_ge10_shared_data, + orion_ge10_resources, irq, &orion_ge10_shared, + NULL, + eth_data, &orion_ge10); +} + +/***************************************************************************** + * GE11 + ****************************************************************************/ +static struct mv643xx_eth_shared_platform_data orion_ge11_shared_data; + +static struct resource orion_ge11_shared_resources[] = { + { + .name = "ge11 base", + }, +}; + +static struct platform_device orion_ge11_shared = { + .name = MV643XX_ETH_SHARED_NAME, + .id = 3, + .dev = { + .platform_data = &orion_ge11_shared_data, + }, +}; + +static struct resource orion_ge11_resources[] = { + { + .name = "ge11 irq", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device orion_ge11 = { + .name = MV643XX_ETH_NAME, + .id = 3, + .num_resources = 1, + .resource = orion_ge11_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, + unsigned long mapbase, + unsigned long irq) +{ + fill_resources(&orion_ge11_shared, orion_ge11_shared_resources, + mapbase + 0x2000, SZ_16K - 1); + ge_complete(&orion_ge11_shared_data, + orion_ge11_resources, irq, &orion_ge11_shared, + NULL, + eth_data, &orion_ge11); +} + +/***************************************************************************** + * I2C + ****************************************************************************/ +static struct mv64xxx_i2c_pdata orion_i2c_pdata = { + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource orion_i2c_resources[2]; + +static struct platform_device orion_i2c = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 0, + .dev = { + .platform_data = &orion_i2c_pdata, + }, +}; + +static struct mv64xxx_i2c_pdata orion_i2c_1_pdata = { + .freq_n = 3, + .timeout = 1000, /* Default timeout of 1 second */ +}; + +static struct resource orion_i2c_1_resources[2]; + +static struct platform_device orion_i2c_1 = { + .name = MV64XXX_I2C_CTLR_NAME, + .id = 1, + .dev = { + .platform_data = &orion_i2c_1_pdata, + }, +}; + +void __init orion_i2c_init(unsigned long mapbase, + unsigned long irq, + unsigned long freq_m) +{ + orion_i2c_pdata.freq_m = freq_m; + fill_resources_irq(&orion_i2c, orion_i2c_resources, mapbase, + SZ_32 - 1, irq); + platform_device_register(&orion_i2c); +} + +void __init orion_i2c_1_init(unsigned long mapbase, + unsigned long irq, + unsigned long freq_m) +{ + orion_i2c_1_pdata.freq_m = freq_m; + fill_resources_irq(&orion_i2c_1, orion_i2c_1_resources, mapbase, + SZ_32 - 1, irq); + platform_device_register(&orion_i2c_1); +} + +/***************************************************************************** + * SPI + ****************************************************************************/ +static struct resource orion_spi_resources; + +static struct platform_device orion_spi = { + .name = "orion_spi", + .id = 0, +}; + +static struct resource orion_spi_1_resources; + +static struct platform_device orion_spi_1 = { + .name = "orion_spi", + .id = 1, +}; + +/* Note: The SPI silicon core does have interrupts. However the + * current Linux software driver does not use interrupts. */ + +void __init orion_spi_init(unsigned long mapbase) +{ + fill_resources(&orion_spi, &orion_spi_resources, + mapbase, SZ_512 - 1); + platform_device_register(&orion_spi); +} + +void __init orion_spi_1_init(unsigned long mapbase) +{ + fill_resources(&orion_spi_1, &orion_spi_1_resources, + mapbase, SZ_512 - 1); + platform_device_register(&orion_spi_1); +} + +/***************************************************************************** + * XOR + ****************************************************************************/ +static u64 orion_xor_dmamask = DMA_BIT_MASK(32); + +/***************************************************************************** + * XOR0 + ****************************************************************************/ +static struct resource orion_xor0_shared_resources[] = { + { + .name = "xor 0 low", + .flags = IORESOURCE_MEM, + }, { + .name = "xor 0 high", + .flags = IORESOURCE_MEM, + }, { + .name = "irq channel 0", + .flags = IORESOURCE_IRQ, + }, { + .name = "irq channel 1", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_channel_data orion_xor0_channels_data[2]; + +static struct mv_xor_platform_data orion_xor0_pdata = { + .channels = orion_xor0_channels_data, +}; + +static struct platform_device orion_xor0_shared = { + .name = MV_XOR_NAME, + .id = 0, + .num_resources = ARRAY_SIZE(orion_xor0_shared_resources), + .resource = orion_xor0_shared_resources, + .dev = { + .dma_mask = &orion_xor_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &orion_xor0_pdata, + }, +}; + +void __init orion_xor0_init(unsigned long mapbase_low, + unsigned long mapbase_high, + unsigned long irq_0, + unsigned long irq_1) +{ + orion_xor0_shared_resources[0].start = mapbase_low; + orion_xor0_shared_resources[0].end = mapbase_low + 0xff; + orion_xor0_shared_resources[1].start = mapbase_high; + orion_xor0_shared_resources[1].end = mapbase_high + 0xff; + + orion_xor0_shared_resources[2].start = irq_0; + orion_xor0_shared_resources[2].end = irq_0; + orion_xor0_shared_resources[3].start = irq_1; + orion_xor0_shared_resources[3].end = irq_1; + + dma_cap_set(DMA_MEMCPY, orion_xor0_channels_data[0].cap_mask); + dma_cap_set(DMA_XOR, orion_xor0_channels_data[0].cap_mask); + + dma_cap_set(DMA_MEMCPY, orion_xor0_channels_data[1].cap_mask); + dma_cap_set(DMA_XOR, orion_xor0_channels_data[1].cap_mask); + + platform_device_register(&orion_xor0_shared); +} + +/***************************************************************************** + * XOR1 + ****************************************************************************/ +static struct resource orion_xor1_shared_resources[] = { + { + .name = "xor 1 low", + .flags = IORESOURCE_MEM, + }, { + .name = "xor 1 high", + .flags = IORESOURCE_MEM, + }, { + .name = "irq channel 0", + .flags = IORESOURCE_IRQ, + }, { + .name = "irq channel 1", + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mv_xor_channel_data orion_xor1_channels_data[2]; + +static struct mv_xor_platform_data orion_xor1_pdata = { + .channels = orion_xor1_channels_data, +}; + +static struct platform_device orion_xor1_shared = { + .name = MV_XOR_NAME, + .id = 1, + .num_resources = ARRAY_SIZE(orion_xor1_shared_resources), + .resource = orion_xor1_shared_resources, + .dev = { + .dma_mask = &orion_xor_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &orion_xor1_pdata, + }, +}; + +void __init orion_xor1_init(unsigned long mapbase_low, + unsigned long mapbase_high, + unsigned long irq_0, + unsigned long irq_1) +{ + orion_xor1_shared_resources[0].start = mapbase_low; + orion_xor1_shared_resources[0].end = mapbase_low + 0xff; + orion_xor1_shared_resources[1].start = mapbase_high; + orion_xor1_shared_resources[1].end = mapbase_high + 0xff; + + orion_xor1_shared_resources[2].start = irq_0; + orion_xor1_shared_resources[2].end = irq_0; + orion_xor1_shared_resources[3].start = irq_1; + orion_xor1_shared_resources[3].end = irq_1; + + dma_cap_set(DMA_MEMCPY, orion_xor1_channels_data[0].cap_mask); + dma_cap_set(DMA_XOR, orion_xor1_channels_data[0].cap_mask); + + dma_cap_set(DMA_MEMCPY, orion_xor1_channels_data[1].cap_mask); + dma_cap_set(DMA_XOR, orion_xor1_channels_data[1].cap_mask); + + platform_device_register(&orion_xor1_shared); +} + +/***************************************************************************** + * EHCI + ****************************************************************************/ +static struct orion_ehci_data orion_ehci_data; +static u64 ehci_dmamask = DMA_BIT_MASK(32); + + +/***************************************************************************** + * EHCI0 + ****************************************************************************/ +static struct resource orion_ehci_resources[2]; + +static struct platform_device orion_ehci = { + .name = "orion-ehci", + .id = 0, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &orion_ehci_data, + }, +}; + +void __init orion_ehci_init(unsigned long mapbase, + unsigned long irq, + enum orion_ehci_phy_ver phy_version) +{ + orion_ehci_data.phy_version = phy_version; + fill_resources_irq(&orion_ehci, orion_ehci_resources, mapbase, SZ_4K - 1, + irq); + + platform_device_register(&orion_ehci); +} + +/***************************************************************************** + * EHCI1 + ****************************************************************************/ +static struct resource orion_ehci_1_resources[2]; + +static struct platform_device orion_ehci_1 = { + .name = "orion-ehci", + .id = 1, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &orion_ehci_data, + }, +}; + +void __init orion_ehci_1_init(unsigned long mapbase, + unsigned long irq) +{ + fill_resources_irq(&orion_ehci_1, orion_ehci_1_resources, + mapbase, SZ_4K - 1, irq); + + platform_device_register(&orion_ehci_1); +} + +/***************************************************************************** + * EHCI2 + ****************************************************************************/ +static struct resource orion_ehci_2_resources[2]; + +static struct platform_device orion_ehci_2 = { + .name = "orion-ehci", + .id = 2, + .dev = { + .dma_mask = &ehci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &orion_ehci_data, + }, +}; + +void __init orion_ehci_2_init(unsigned long mapbase, + unsigned long irq) +{ + fill_resources_irq(&orion_ehci_2, orion_ehci_2_resources, + mapbase, SZ_4K - 1, irq); + + platform_device_register(&orion_ehci_2); +} + +/***************************************************************************** + * SATA + ****************************************************************************/ +static struct resource orion_sata_resources[2] = { + { + .name = "sata base", + }, { + .name = "sata irq", + }, +}; + +static struct platform_device orion_sata = { + .name = "sata_mv", + .id = 0, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +void __init orion_sata_init(struct mv_sata_platform_data *sata_data, + unsigned long mapbase, + unsigned long irq) +{ + orion_sata.dev.platform_data = sata_data; + fill_resources_irq(&orion_sata, orion_sata_resources, + mapbase, 0x5000 - 1, irq); + + platform_device_register(&orion_sata); +} + +/***************************************************************************** + * Cryptographic Engines and Security Accelerator (CESA) + ****************************************************************************/ +static struct resource orion_crypto_resources[] = { + { + .name = "regs", + }, { + .name = "crypto interrupt", + }, { + .name = "sram", + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device orion_crypto = { + .name = "mv_crypto", + .id = -1, +}; + +void __init orion_crypto_init(unsigned long mapbase, + unsigned long srambase, + unsigned long sram_size, + unsigned long irq) +{ + fill_resources_irq(&orion_crypto, orion_crypto_resources, + mapbase, 0xffff, irq); + orion_crypto.num_resources = 3; + orion_crypto_resources[2].start = srambase; + orion_crypto_resources[2].end = srambase + sram_size - 1; + + platform_device_register(&orion_crypto); +} |