diff options
Diffstat (limited to 'kernel/arch/blackfin/mach-bf561/boards/cm_bf561.c')
| -rw-r--r-- | kernel/arch/blackfin/mach-bf561/boards/cm_bf561.c | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/kernel/arch/blackfin/mach-bf561/boards/cm_bf561.c b/kernel/arch/blackfin/mach-bf561/boards/cm_bf561.c new file mode 100644 index 000000000..c6db52ba3 --- /dev/null +++ b/kernel/arch/blackfin/mach-bf561/boards/cm_bf561.c @@ -0,0 +1,555 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * 2008-2009 Bluetechnix + * 2005 National ICT Australia (NICTA) + * Aidan Williams <aidan@nicta.com.au> + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#if IS_ENABLED(CONFIG_USB_ISP1362_HCD) +#include <linux/usb/isp1362.h> +#endif +#include <linux/ata_platform.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <asm/dma.h> +#include <asm/bfin5xx_spi.h> +#include <asm/portmux.h> +#include <asm/dpmc.h> +#include <linux/mtd/physmap.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "Bluetechnix CM BF561"; + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) +/* all SPI peripherals info goes here */ + +#if IS_ENABLED(CONFIG_MTD_M25P80) +static struct mtd_partition bfin_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x00020000, + .offset = 0, + .mask_flags = MTD_CAP_ROM + }, { + .name = "linux kernel(spi)", + .size = 0xe0000, + .offset = 0x20000 + }, { + .name = "file system(spi)", + .size = 0x700000, + .offset = 0x00100000, + } +}; + +static struct flash_platform_data bfin_spi_flash_data = { + .name = "m25p80", + .parts = bfin_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), + .type = "m25p64", +}; + +/* SPI flash chip (m25p64) */ +static struct bfin5xx_spi_chip spi_flash_chip_info = { + .enable_dma = 0, /* use dma transfer with this chip*/ +}; +#endif + +static struct spi_board_info bfin_spi_board_info[] __initdata = { +#if IS_ENABLED(CONFIG_MTD_M25P80) + { + /* the modalias must be the same as spi device driver name */ + .modalias = "m25p80", /* Name of spi_driver for this device */ + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ + .platform_data = &bfin_spi_flash_data, + .controller_data = &spi_flash_chip_info, + .mode = SPI_MODE_3, + }, +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X) + { + .modalias = "ad183x", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 4, + }, +#endif +#if IS_ENABLED(CONFIG_MMC_SPI) + { + .modalias = "mmc_spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .mode = SPI_MODE_3, + }, +#endif +}; + +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = IRQ_SPI, + .end = IRQ_SPI, + .flags = IORESOURCE_IRQ, + }, +}; + +/* SPI controller data */ +static struct bfin5xx_spi_master bfin_spi0_info = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bfin_spi0_info, /* Passed to driver */ + }, +}; +#endif /* spi master and devices */ + + +#if IS_ENABLED(CONFIG_FB_HITACHI_TX09) +static struct platform_device hitachi_fb_device = { + .name = "hitachi-tx09", +}; +#endif + + +#if IS_ENABLED(CONFIG_SMC91X) +#include <linux/smc91x.h> + +static struct smc91x_platdata smc91x_info = { + .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT, + .leda = RPC_LED_100_10, + .ledb = RPC_LED_TX_RX, +}; + +static struct resource smc91x_resources[] = { + { + .name = "smc91x-regs", + .start = 0x28000300, + .end = 0x28000300 + 16, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PF0, + .end = IRQ_PF0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, + .dev = { + .platform_data = &smc91x_info, + }, +}; +#endif + +#if IS_ENABLED(CONFIG_SMSC911X) +#include <linux/smsc911x.h> + +static struct resource smsc911x_resources[] = { + { + .name = "smsc911x-memory", + .start = 0x24008000, + .end = 0x24008000 + 0xFF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_PF43, + .end = IRQ_PF43, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct smsc911x_platform_config smsc911x_config = { + .flags = SMSC911X_USE_16BIT, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device smsc911x_device = { + .name = "smsc911x", + .id = 0, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, + .dev = { + .platform_data = &smsc911x_config, + }, +}; +#endif + +#if IS_ENABLED(CONFIG_USB_NET2272) +static struct resource net2272_bfin_resources[] = { + { + .start = 0x24000000, + .end = 0x24000000 + 0x100, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PF45, + .end = IRQ_PF45, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct platform_device net2272_bfin_device = { + .name = "net2272", + .id = -1, + .num_resources = ARRAY_SIZE(net2272_bfin_resources), + .resource = net2272_bfin_resources, +}; +#endif + +#if IS_ENABLED(CONFIG_USB_ISP1362_HCD) +static struct resource isp1362_hcd_resources[] = { + { + .start = 0x24008000, + .end = 0x24008000, + .flags = IORESOURCE_MEM, + }, { + .start = 0x24008004, + .end = 0x24008004, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PF47, + .end = IRQ_PF47, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, + }, +}; + +static struct isp1362_platform_data isp1362_priv = { + .sel15Kres = 1, + .clknotstop = 0, + .oc_enable = 0, + .int_act_high = 0, + .int_edge_triggered = 0, + .remote_wakeup_connected = 0, + .no_power_switching = 1, + .power_switching_mode = 0, +}; + +static struct platform_device isp1362_hcd_device = { + .name = "isp1362-hcd", + .id = 0, + .dev = { + .platform_data = &isp1362_priv, + }, + .num_resources = ARRAY_SIZE(isp1362_hcd_resources), + .resource = isp1362_hcd_resources, +}; +#endif + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 +static struct resource bfin_uart0_resources[] = { + { + .start = BFIN_UART_THR, + .end = BFIN_UART_GCTL+2, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART_TX, + .end = IRQ_UART_TX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART_RX, + .end = IRQ_UART_RX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART_ERROR, + .end = IRQ_UART_ERROR, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART_TX, + .end = CH_UART_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = CH_UART_RX, + .end = CH_UART_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static unsigned short bfin_uart0_peripherals[] = { + P_UART0_TX, P_UART0_RX, 0 +}; + +static struct platform_device bfin_uart0_device = { + .name = "bfin-uart", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_uart0_resources), + .resource = bfin_uart0_resources, + .dev = { + .platform_data = &bfin_uart0_peripherals, /* Passed to driver */ + }, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_BFIN_SIR) +#ifdef CONFIG_BFIN_SIR0 +static struct resource bfin_sir0_resources[] = { + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART0_RX, + .end = IRQ_UART0_RX+1, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART0_RX, + .end = CH_UART0_RX+1, + .flags = IORESOURCE_DMA, + }, +}; + +static struct platform_device bfin_sir0_device = { + .name = "bfin_sir", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_sir0_resources), + .resource = bfin_sir0_resources, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_PATA_PLATFORM) +#define PATA_INT IRQ_PF46 + +static struct pata_platform_info bfin_pata_platform_data = { + .ioport_shift = 2, +}; + +static struct resource bfin_pata_resources[] = { + { + .start = 0x2400C000, + .end = 0x2400C001F, + .flags = IORESOURCE_MEM, + }, + { + .start = 0x2400D018, + .end = 0x2400D01B, + .flags = IORESOURCE_MEM, + }, + { + .start = PATA_INT, + .end = PATA_INT, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct platform_device bfin_pata_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_pata_resources), + .resource = bfin_pata_resources, + .dev = { + .platform_data = &bfin_pata_platform_data, + } +}; +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) +static struct mtd_partition para_partitions[] = { + { + .name = "bootloader(nor)", + .size = 0x40000, + .offset = 0, + }, { + .name = "linux kernel(nor)", + .size = 0x100000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "file system(nor)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data para_flash_data = { + .width = 2, + .parts = para_partitions, + .nr_parts = ARRAY_SIZE(para_partitions), +}; + +static struct resource para_flash_resource = { + .start = 0x20000000, + .end = 0x207fffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device para_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = ¶_flash_data, + }, + .num_resources = 1, + .resource = ¶_flash_resource, +}; +#endif + +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_085, 250000000), + VRPAIR(VLEV_090, 300000000), + VRPAIR(VLEV_095, 313000000), + VRPAIR(VLEV_100, 350000000), + VRPAIR(VLEV_105, 400000000), + VRPAIR(VLEV_110, 444000000), + VRPAIR(VLEV_115, 450000000), + VRPAIR(VLEV_120, 475000000), + VRPAIR(VLEV_125, 500000000), + VRPAIR(VLEV_130, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + +static struct platform_device *cm_bf561_devices[] __initdata = { + + &bfin_dpmc, + +#if IS_ENABLED(CONFIG_FB_HITACHI_TX09) + &hitachi_fb_device, +#endif + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 + &bfin_uart0_device, +#endif +#endif + +#if IS_ENABLED(CONFIG_BFIN_SIR) +#ifdef CONFIG_BFIN_SIR0 + &bfin_sir0_device, +#endif +#endif + +#if IS_ENABLED(CONFIG_USB_ISP1362_HCD) + &isp1362_hcd_device, +#endif + +#if IS_ENABLED(CONFIG_SMC91X) + &smc91x_device, +#endif + +#if IS_ENABLED(CONFIG_SMSC911X) + &smsc911x_device, +#endif + +#if IS_ENABLED(CONFIG_USB_NET2272) + &net2272_bfin_device, +#endif + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) + &bfin_spi0_device, +#endif + +#if IS_ENABLED(CONFIG_PATA_PLATFORM) + &bfin_pata_device, +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) + ¶_flash_device, +#endif +}; + +static int __init net2272_init(void) +{ +#if IS_ENABLED(CONFIG_USB_NET2272) + int ret; + + ret = gpio_request(GPIO_PF46, "net2272"); + if (ret) + return ret; + + /* Reset USB Chip, PF46 */ + gpio_direction_output(GPIO_PF46, 0); + mdelay(2); + gpio_set_value(GPIO_PF46, 1); +#endif + + return 0; +} + +static int __init cm_bf561_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __func__); + platform_add_devices(cm_bf561_devices, ARRAY_SIZE(cm_bf561_devices)); +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) + spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); +#endif + +#if IS_ENABLED(CONFIG_PATA_PLATFORM) + irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN); +#endif + + if (net2272_init()) + pr_warning("unable to configure net2272; it probably won't work\n"); + + return 0; +} + +arch_initcall(cm_bf561_init); + +static struct platform_device *cm_bf561_early_devices[] __initdata = { +#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK) +#ifdef CONFIG_SERIAL_BFIN_UART0 + &bfin_uart0_device, +#endif +#endif +}; + +void __init native_machine_early_platform_add_devices(void) +{ + printk(KERN_INFO "register early platform devices\n"); + early_platform_add_devices(cm_bf561_early_devices, + ARRAY_SIZE(cm_bf561_early_devices)); +} |