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arch/arm/plat-orion/common.c
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/* * 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> |
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#include <linux/dma-mapping.h> |
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#include <linux/serial_8250.h> |
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#include <linux/ata_platform.h> |
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#include <linux/mv643xx_eth.h> |
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#include <linux/mv643xx_i2c.h> |
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#include <net/dsa.h> |
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#include <linux/spi/orion_spi.h> |
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#include <plat/orion_wdt.h> |
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#include <plat/mv_xor.h> |
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#include <plat/ehci-orion.h> |
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/* 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, unsigned int irq) { device->resource = resources; device->num_resources = 1; resources[0].flags = IORESOURCE_MEM; resources[0].start = mapbase; resources[0].end = mapbase + size; if (irq != NO_IRQ) { device->num_resources++; resources[1].flags = IORESOURCE_IRQ; resources[1].start = irq; resources[1].end = irq; } } /***************************************************************************** * UART ****************************************************************************/ static void __init uart_complete( struct platform_device *orion_uart, struct plat_serial8250_port *data, struct resource *resources, unsigned int membase, resource_size_t mapbase, unsigned int irq, unsigned int uartclk) { data->mapbase = mapbase; data->membase = (void __iomem *)membase; data->irq = irq; data->uartclk = uartclk; orion_uart->dev.platform_data = data; fill_resources(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(unsigned int membase, resource_size_t mapbase, unsigned int irq, unsigned int uartclk) { uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources, membase, mapbase, irq, uartclk); } /***************************************************************************** * 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(unsigned int membase, resource_size_t mapbase, unsigned int irq, unsigned int uartclk) { uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources, membase, mapbase, irq, uartclk); } /***************************************************************************** * 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(unsigned int membase, resource_size_t mapbase, unsigned int irq, unsigned int uartclk) { uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources, membase, mapbase, irq, uartclk); } /***************************************************************************** * 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(unsigned int membase, resource_size_t mapbase, unsigned int irq, unsigned int uartclk) { uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources, membase, mapbase, irq, uartclk); } |
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/***************************************************************************** * 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); } |
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/***************************************************************************** * GE ****************************************************************************/ static __init void ge_complete( struct mv643xx_eth_shared_platform_data *orion_ge_shared_data, |
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int tclk, |
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struct resource *orion_ge_resource, unsigned long irq, struct platform_device *orion_ge_shared, struct mv643xx_eth_platform_data *eth_data, struct platform_device *orion_ge) { |
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orion_ge_shared_data->t_clk = tclk; 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); platform_device_register(orion_ge); } /***************************************************************************** * GE00 ****************************************************************************/ struct mv643xx_eth_shared_platform_data orion_ge00_shared_data; static struct resource orion_ge00_shared_resources[] = { { .name = "ge00 base", }, { .name = "ge00 err irq", }, }; 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_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, |
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unsigned long mapbase, unsigned long irq, unsigned long irq_err, int tclk) { fill_resources(&orion_ge00_shared, orion_ge00_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); |
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ge_complete(&orion_ge00_shared_data, tclk, |
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orion_ge00_resources, irq, &orion_ge00_shared, eth_data, &orion_ge00); } /***************************************************************************** * GE01 ****************************************************************************/ struct mv643xx_eth_shared_platform_data orion_ge01_shared_data = { .shared_smi = &orion_ge00_shared, }; static struct resource orion_ge01_shared_resources[] = { { .name = "ge01 base", }, { .name = "ge01 err irq", }, }; 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, |
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unsigned long mapbase, unsigned long irq, unsigned long irq_err, int tclk) { fill_resources(&orion_ge01_shared, orion_ge01_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); |
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ge_complete(&orion_ge01_shared_data, tclk, |
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orion_ge01_resources, irq, &orion_ge01_shared, eth_data, &orion_ge01); } /***************************************************************************** * GE10 ****************************************************************************/ struct mv643xx_eth_shared_platform_data orion_ge10_shared_data = { .shared_smi = &orion_ge00_shared, }; static struct resource orion_ge10_shared_resources[] = { { .name = "ge10 base", }, { .name = "ge10 err irq", }, }; static struct platform_device orion_ge10_shared = { .name = MV643XX_ETH_SHARED_NAME, .id = 1, .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 = 1, .num_resources = 2, .resource = orion_ge10_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), }, }; void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data, |
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unsigned long mapbase, unsigned long irq, unsigned long irq_err, int tclk) { fill_resources(&orion_ge10_shared, orion_ge10_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); |
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ge_complete(&orion_ge10_shared_data, tclk, |
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orion_ge10_resources, irq, &orion_ge10_shared, eth_data, &orion_ge10); } /***************************************************************************** * GE11 ****************************************************************************/ struct mv643xx_eth_shared_platform_data orion_ge11_shared_data = { .shared_smi = &orion_ge00_shared, }; static struct resource orion_ge11_shared_resources[] = { { .name = "ge11 base", }, { .name = "ge11 err irq", }, }; static struct platform_device orion_ge11_shared = { .name = MV643XX_ETH_SHARED_NAME, .id = 1, .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 = 1, .num_resources = 2, .resource = orion_ge11_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), }, }; void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data, |
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unsigned long mapbase, unsigned long irq, unsigned long irq_err, int tclk) { fill_resources(&orion_ge11_shared, orion_ge11_shared_resources, mapbase + 0x2000, SZ_16K - 1, irq_err); |
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ge_complete(&orion_ge11_shared_data, tclk, |
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orion_ge11_resources, irq, &orion_ge11_shared, eth_data, &orion_ge11); } /***************************************************************************** * Ethernet switch ****************************************************************************/ static struct resource orion_switch_resources[] = { { .start = 0, .end = 0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion_switch_device = { .name = "dsa", .id = 0, .num_resources = 0, .resource = orion_switch_resources, }; void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq) { int i; if (irq != NO_IRQ) { orion_switch_resources[0].start = irq; orion_switch_resources[0].end = irq; orion_switch_device.num_resources = 1; } d->netdev = &orion_ge00.dev; for (i = 0; i < d->nr_chips; i++) d->chip[i].mii_bus = &orion_ge00_shared.dev; orion_switch_device.dev.platform_data = d; platform_device_register(&orion_switch_device); } |
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/***************************************************************************** * 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(&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(&orion_i2c_1, orion_i2c_1_resources, mapbase, SZ_32 - 1, irq); platform_device_register(&orion_i2c_1); } |
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/***************************************************************************** * SPI ****************************************************************************/ static struct orion_spi_info orion_spi_plat_data; static struct resource orion_spi_resources; static struct platform_device orion_spi = { .name = "orion_spi", .id = 0, .dev = { .platform_data = &orion_spi_plat_data, }, }; static struct orion_spi_info orion_spi_1_plat_data; static struct resource orion_spi_1_resources; static struct platform_device orion_spi_1 = { .name = "orion_spi", .id = 1, .dev = { .platform_data = &orion_spi_1_plat_data, }, }; /* 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, unsigned long tclk) { orion_spi_plat_data.tclk = tclk; fill_resources(&orion_spi, &orion_spi_resources, mapbase, SZ_512 - 1, NO_IRQ); platform_device_register(&orion_spi); } void __init orion_spi_1_init(unsigned long mapbase, unsigned long tclk) { orion_spi_1_plat_data.tclk = tclk; fill_resources(&orion_spi_1, &orion_spi_1_resources, mapbase, SZ_512 - 1, NO_IRQ); platform_device_register(&orion_spi_1); } |
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/***************************************************************************** * Watchdog ****************************************************************************/ static struct orion_wdt_platform_data orion_wdt_data; static struct platform_device orion_wdt_device = { .name = "orion_wdt", .id = -1, .dev = { .platform_data = &orion_wdt_data, }, .num_resources = 0, }; void __init orion_wdt_init(unsigned long tclk) { orion_wdt_data.tclk = tclk; platform_device_register(&orion_wdt_device); } |
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/***************************************************************************** * XOR ****************************************************************************/ |
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static u64 orion_xor_dmamask = DMA_BIT_MASK(32); void __init orion_xor_init_channels( struct mv_xor_platform_data *orion_xor0_data, struct platform_device *orion_xor0_channel, struct mv_xor_platform_data *orion_xor1_data, struct platform_device *orion_xor1_channel) { /* * two engines can't do memset simultaneously, this limitation * satisfied by removing memset support from one of the engines. */ dma_cap_set(DMA_MEMCPY, orion_xor0_data->cap_mask); dma_cap_set(DMA_XOR, orion_xor0_data->cap_mask); platform_device_register(orion_xor0_channel); dma_cap_set(DMA_MEMCPY, orion_xor1_data->cap_mask); dma_cap_set(DMA_MEMSET, orion_xor1_data->cap_mask); dma_cap_set(DMA_XOR, orion_xor1_data->cap_mask); platform_device_register(orion_xor1_channel); } /***************************************************************************** * XOR0 ****************************************************************************/ static struct resource orion_xor0_shared_resources[] = { { .name = "xor 0 low", .flags = IORESOURCE_MEM, }, { .name = "xor 0 high", .flags = IORESOURCE_MEM, }, }; static struct platform_device orion_xor0_shared = { .name = MV_XOR_SHARED_NAME, .id = 0, |
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.num_resources = ARRAY_SIZE(orion_xor0_shared_resources), .resource = orion_xor0_shared_resources, }; static struct resource orion_xor00_resources[] = { [0] = { .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion_xor00_data = { .shared = &orion_xor0_shared, .hw_id = 0, .pool_size = PAGE_SIZE, }; static struct platform_device orion_xor00_channel = { .name = MV_XOR_NAME, .id = 0, .num_resources = ARRAY_SIZE(orion_xor00_resources), .resource = orion_xor00_resources, .dev = { .dma_mask = &orion_xor_dmamask, .coherent_dma_mask = DMA_BIT_MASK(64), .platform_data = &orion_xor00_data, }, }; static struct resource orion_xor01_resources[] = { [0] = { .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion_xor01_data = { .shared = &orion_xor0_shared, .hw_id = 1, .pool_size = PAGE_SIZE, }; static struct platform_device orion_xor01_channel = { .name = MV_XOR_NAME, .id = 1, .num_resources = ARRAY_SIZE(orion_xor01_resources), .resource = orion_xor01_resources, .dev = { .dma_mask = &orion_xor_dmamask, .coherent_dma_mask = DMA_BIT_MASK(64), .platform_data = &orion_xor01_data, }, }; |
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void __init orion_xor0_init(unsigned long mapbase_low, |
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unsigned long mapbase_high, unsigned long irq_0, unsigned long irq_1) { |
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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_xor00_resources[0].start = irq_0; orion_xor00_resources[0].end = irq_0; orion_xor01_resources[0].start = irq_1; orion_xor01_resources[0].end = irq_1; platform_device_register(&orion_xor0_shared); orion_xor_init_channels(&orion_xor00_data, &orion_xor00_channel, &orion_xor01_data, &orion_xor01_channel); } /***************************************************************************** * XOR1 ****************************************************************************/ static struct resource orion_xor1_shared_resources[] = { { .name = "xor 1 low", .flags = IORESOURCE_MEM, }, { .name = "xor 1 high", .flags = IORESOURCE_MEM, }, }; static struct platform_device orion_xor1_shared = { .name = MV_XOR_SHARED_NAME, .id = 1, |
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.num_resources = ARRAY_SIZE(orion_xor1_shared_resources), .resource = orion_xor1_shared_resources, }; static struct resource orion_xor10_resources[] = { [0] = { .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion_xor10_data = { .shared = &orion_xor1_shared, .hw_id = 0, .pool_size = PAGE_SIZE, }; static struct platform_device orion_xor10_channel = { .name = MV_XOR_NAME, .id = 2, .num_resources = ARRAY_SIZE(orion_xor10_resources), .resource = orion_xor10_resources, .dev = { .dma_mask = &orion_xor_dmamask, .coherent_dma_mask = DMA_BIT_MASK(64), .platform_data = &orion_xor10_data, }, }; static struct resource orion_xor11_resources[] = { [0] = { .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion_xor11_data = { .shared = &orion_xor1_shared, .hw_id = 1, .pool_size = PAGE_SIZE, }; static struct platform_device orion_xor11_channel = { .name = MV_XOR_NAME, .id = 3, .num_resources = ARRAY_SIZE(orion_xor11_resources), .resource = orion_xor11_resources, .dev = { .dma_mask = &orion_xor_dmamask, .coherent_dma_mask = DMA_BIT_MASK(64), .platform_data = &orion_xor11_data, }, }; 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_xor10_resources[0].start = irq_0; orion_xor10_resources[0].end = irq_0; orion_xor11_resources[0].start = irq_1; orion_xor11_resources[0].end = irq_1; platform_device_register(&orion_xor1_shared); orion_xor_init_channels(&orion_xor10_data, &orion_xor10_channel, &orion_xor11_data, &orion_xor11_channel); } |
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/***************************************************************************** * EHCI ****************************************************************************/ static struct orion_ehci_data orion_ehci_data = { .phy_version = EHCI_PHY_NA, }; 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, }, }; |
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void __init orion_ehci_init(unsigned long mapbase, |
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unsigned long irq) { |
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fill_resources(&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, }, }; |
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void __init orion_ehci_1_init(unsigned long mapbase, |
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unsigned long irq) { |
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fill_resources(&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, }, }; |
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void __init orion_ehci_2_init(unsigned long mapbase, |
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unsigned long irq) { |
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fill_resources(&orion_ehci_2, orion_ehci_2_resources, mapbase, SZ_4K - 1, irq); platform_device_register(&orion_ehci_2); } |
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/***************************************************************************** * 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, |
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unsigned long mapbase, unsigned long irq) { |
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orion_sata.dev.platform_data = sata_data; fill_resources(&orion_sata, orion_sata_resources, mapbase, 0x5000 - 1, irq); platform_device_register(&orion_sata); } |
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/***************************************************************************** * Cryptographic Engines and Security Accelerator (CESA) ****************************************************************************/ static struct resource orion_crypto_resources[] = { { .name = "regs", }, { .name = "crypto interrupt", }, { .name = "sram", .flags = IORESOURCE_MEM, }, }; |
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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(&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); } |