diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/db1200.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/db1200.c | 147 |
1 files changed, 95 insertions, 52 deletions
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index a83302b96c0..9e46667f259 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -22,6 +22,7 @@ #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> +#include <linux/module.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/leds.h> @@ -34,35 +35,66 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/smc91x.h> +#include <linux/ata_platform.h> #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1100_mmc.h> #include <asm/mach-au1x00/au1xxx_dbdma.h> +#include <asm/mach-au1x00/au1xxx_psc.h> #include <asm/mach-au1x00/au1200fb.h> #include <asm/mach-au1x00/au1550_spi.h> #include <asm/mach-db1x00/bcsr.h> -#include <asm/mach-db1x00/db1200.h> #include "platform.h" -static const char *board_type_str(void) -{ - switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) { - case BCSR_WHOAMI_PB1200_DDR1: - case BCSR_WHOAMI_PB1200_DDR2: - return "PB1200"; - case BCSR_WHOAMI_DB1200: - return "DB1200"; - default: - return "(unknown)"; - } -} - -const char *get_system_type(void) -{ - return board_type_str(); -} - -static int __init detect_board(void) +#define BCSR_INT_IDE 0x0001 +#define BCSR_INT_ETH 0x0002 +#define BCSR_INT_PC0 0x0004 +#define BCSR_INT_PC0STSCHG 0x0008 +#define BCSR_INT_PC1 0x0010 +#define BCSR_INT_PC1STSCHG 0x0020 +#define BCSR_INT_DC 0x0040 +#define BCSR_INT_FLASHBUSY 0x0080 +#define BCSR_INT_PC0INSERT 0x0100 +#define BCSR_INT_PC0EJECT 0x0200 +#define BCSR_INT_PC1INSERT 0x0400 +#define BCSR_INT_PC1EJECT 0x0800 +#define BCSR_INT_SD0INSERT 0x1000 +#define BCSR_INT_SD0EJECT 0x2000 +#define BCSR_INT_SD1INSERT 0x4000 +#define BCSR_INT_SD1EJECT 0x8000 + +#define DB1200_IDE_PHYS_ADDR 0x18800000 +#define DB1200_IDE_REG_SHIFT 5 +#define DB1200_IDE_PHYS_LEN (16 << DB1200_IDE_REG_SHIFT) +#define DB1200_ETH_PHYS_ADDR 0x19000300 +#define DB1200_NAND_PHYS_ADDR 0x20000000 + +#define PB1200_IDE_PHYS_ADDR 0x0C800000 +#define PB1200_ETH_PHYS_ADDR 0x0D000300 +#define PB1200_NAND_PHYS_ADDR 0x1C000000 + +#define DB1200_INT_BEGIN (AU1000_MAX_INTR + 1) +#define DB1200_IDE_INT (DB1200_INT_BEGIN + 0) +#define DB1200_ETH_INT (DB1200_INT_BEGIN + 1) +#define DB1200_PC0_INT (DB1200_INT_BEGIN + 2) +#define DB1200_PC0_STSCHG_INT (DB1200_INT_BEGIN + 3) +#define DB1200_PC1_INT (DB1200_INT_BEGIN + 4) +#define DB1200_PC1_STSCHG_INT (DB1200_INT_BEGIN + 5) +#define DB1200_DC_INT (DB1200_INT_BEGIN + 6) +#define DB1200_FLASHBUSY_INT (DB1200_INT_BEGIN + 7) +#define DB1200_PC0_INSERT_INT (DB1200_INT_BEGIN + 8) +#define DB1200_PC0_EJECT_INT (DB1200_INT_BEGIN + 9) +#define DB1200_PC1_INSERT_INT (DB1200_INT_BEGIN + 10) +#define DB1200_PC1_EJECT_INT (DB1200_INT_BEGIN + 11) +#define DB1200_SD0_INSERT_INT (DB1200_INT_BEGIN + 12) +#define DB1200_SD0_EJECT_INT (DB1200_INT_BEGIN + 13) +#define PB1200_SD1_INSERT_INT (DB1200_INT_BEGIN + 14) +#define PB1200_SD1_EJECT_INT (DB1200_INT_BEGIN + 15) +#define DB1200_INT_END (DB1200_INT_BEGIN + 15) + +const char *get_system_type(void); + +static int __init db1200_detect_board(void) { int bid; @@ -95,26 +127,33 @@ static int __init detect_board(void) return 1; /* it's neither */ } -void __init board_setup(void) +int __init db1200_board_setup(void) { unsigned long freq0, clksrc, div, pfc; unsigned short whoami; - if (detect_board()) { - printk(KERN_ERR "NOT running on a DB1200/PB1200 board!\n"); - return; - } + if (db1200_detect_board()) + return -ENODEV; whoami = bcsr_read(BCSR_WHOAMI); + switch (BCSR_WHOAMI_BOARD(whoami)) { + case BCSR_WHOAMI_PB1200_DDR1: + case BCSR_WHOAMI_PB1200_DDR2: + case BCSR_WHOAMI_DB1200: + break; + default: + return -ENODEV; + } + printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d" - " Board-ID %d Daughtercard ID %d\n", board_type_str(), + " Board-ID %d Daughtercard ID %d\n", get_system_type(), (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf); /* SMBus/SPI on PSC0, Audio on PSC1 */ pfc = __raw_readl((void __iomem *)SYS_PINFUNC); pfc &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B); pfc &= ~(SYS_PINFUNC_P1A | SYS_PINFUNC_P1B | SYS_PINFUNC_FS3); - pfc |= SYS_PINFUNC_P1C; /* SPI is configured later */ + pfc |= SYS_PINFUNC_P1C; /* SPI is configured later */ __raw_writel(pfc, (void __iomem *)SYS_PINFUNC); wmb(); @@ -137,6 +176,8 @@ void __init board_setup(void) clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT; __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC); wmb(); + + return 0; } /******************************************************************************/ @@ -144,7 +185,7 @@ void __init board_setup(void) static struct mtd_partition db1200_spiflash_parts[] = { { .name = "spi_flash", - .offset = 0, + .offset = 0, .size = MTDPART_SIZ_FULL, }, }; @@ -212,17 +253,15 @@ static int au1200_nand_device_ready(struct mtd_info *mtd) return __raw_readl((void __iomem *)MEM_STSTAT) & 1; } -static const char *db1200_part_probes[] = { "cmdlinepart", NULL }; - static struct mtd_partition db1200_nand_parts[] = { { .name = "NAND FS 0", - .offset = 0, + .offset = 0, .size = 8 * 1024 * 1024, }, { .name = "NAND FS 1", - .offset = MTDPART_OFS_APPEND, + .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL }, }; @@ -234,7 +273,6 @@ struct platform_nand_data db1200_nand_platdata = { .nr_partitions = ARRAY_SIZE(db1200_nand_parts), .partitions = db1200_nand_parts, .chip_delay = 20, - .part_probe_types = db1200_part_probes, }, .ctrl = { .dev_ready = au1200_nand_device_ready, @@ -293,32 +331,38 @@ static struct platform_device db1200_eth_dev = { /**********************************************************************/ +static struct pata_platform_info db1200_ide_info = { + .ioport_shift = DB1200_IDE_REG_SHIFT, +}; + +#define IDE_ALT_START (14 << DB1200_IDE_REG_SHIFT) static struct resource db1200_ide_res[] = { [0] = { .start = DB1200_IDE_PHYS_ADDR, - .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1, + .end = DB1200_IDE_PHYS_ADDR + IDE_ALT_START - 1, .flags = IORESOURCE_MEM, }, [1] = { + .start = DB1200_IDE_PHYS_ADDR + IDE_ALT_START, + .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { .start = DB1200_IDE_INT, .end = DB1200_IDE_INT, .flags = IORESOURCE_IRQ, }, - [2] = { - .start = AU1200_DSCR_CMD0_DMA_REQ1, - .end = AU1200_DSCR_CMD0_DMA_REQ1, - .flags = IORESOURCE_DMA, - }, }; static u64 au1200_ide_dmamask = DMA_BIT_MASK(32); static struct platform_device db1200_ide_dev = { - .name = "au1200-ide", + .name = "pata_platform", .id = 0, .dev = { .dma_mask = &au1200_ide_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &db1200_ide_info, }, .num_resources = ARRAY_SIZE(db1200_ide_res), .resource = db1200_ide_res, @@ -413,7 +457,7 @@ static void db1200_mmcled_set(struct led_classdev *led, } static struct led_classdev db1200_mmc_led = { - .brightness_set = db1200_mmcled_set, + .brightness_set = db1200_mmcled_set, }; /* -- */ @@ -481,7 +525,7 @@ static void pb1200_mmc1led_set(struct led_classdev *led, } static struct led_classdev pb1200_mmc1_led = { - .brightness_set = pb1200_mmc1led_set, + .brightness_set = pb1200_mmc1led_set, }; static void pb1200_mmc1_set_power(void *mmc_host, int state) @@ -544,7 +588,7 @@ static struct resource au1200_mmc0_resources[] = { } }; -static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32); +static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32); static struct platform_device db1200_mmc0_dev = { .name = "au1xxx-mmc", @@ -619,7 +663,7 @@ static int db1200fb_panel_shutdown(void) static struct au1200fb_platdata db1200fb_pd = { .panel_index = db1200fb_panel_index, .panel_init = db1200fb_panel_init, - .panel_shutdown = db1200fb_panel_shutdown, + .panel_shutdown = db1200fb_panel_shutdown, }; static struct resource au1200_lcd_res[] = { @@ -790,15 +834,15 @@ static int __init pb1200_res_fixup(void) } db1200_nand_res[0].start = PB1200_NAND_PHYS_ADDR; - db1200_nand_res[0].end = PB1200_NAND_PHYS_ADDR + 0xff; + db1200_nand_res[0].end = PB1200_NAND_PHYS_ADDR + 0xff; db1200_ide_res[0].start = PB1200_IDE_PHYS_ADDR; - db1200_ide_res[0].end = PB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1; + db1200_ide_res[0].end = PB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1; db1200_eth_res[0].start = PB1200_ETH_PHYS_ADDR; - db1200_eth_res[0].end = PB1200_ETH_PHYS_ADDR + 0xff; + db1200_eth_res[0].end = PB1200_ETH_PHYS_ADDR + 0xff; return 0; } -static int __init db1200_dev_init(void) +int __init db1200_dev_setup(void) { unsigned long pfc; unsigned short sw; @@ -815,7 +859,7 @@ static int __init db1200_dev_init(void) irq_set_irq_type(AU1200_GPIO7_INT, IRQ_TYPE_LEVEL_LOW); bcsr_init_irq(DB1200_INT_BEGIN, DB1200_INT_END, AU1200_GPIO7_INT); - /* insert/eject pairs: one of both is always screaming. To avoid + /* insert/eject pairs: one of both is always screaming. To avoid * issues they must not be automatically enabled when initially * requested. */ @@ -831,7 +875,7 @@ static int __init db1200_dev_init(void) spi_register_board_info(db1200_spi_devs, ARRAY_SIZE(db1200_i2c_devs)); - /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI) + /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI) * S6.7 AC97/I2S selector (OFF=AC97 ON=I2S) * or S12 on the PB1200. */ @@ -848,7 +892,7 @@ static int __init db1200_dev_init(void) gpio_request(215, "otg-vbus"); gpio_direction_output(215, 1); - printk(KERN_INFO "%s device configuration:\n", board_type_str()); + printk(KERN_INFO "%s device configuration:\n", get_system_type()); sw = bcsr_read(BCSR_SWITCHES); if (sw & BCSR_SWITCHES_DIP_8) { @@ -924,4 +968,3 @@ static int __init db1200_dev_init(void) return 0; } -device_initcall(db1200_dev_init); |