--- /dev/null
- IRQF_DISABLED, "sd_insert", mmc_host);
+ /*
+ * DBAu1200/PBAu1200 board platform device registration
+ *
+ * Copyright (C) 2008-2011 Manuel Lauss
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ #include <linux/dma-mapping.h>
+ #include <linux/gpio.h>
+ #include <linux/i2c.h>
+ #include <linux/init.h>
+ #include <linux/interrupt.h>
+ #include <linux/io.h>
+ #include <linux/leds.h>
+ #include <linux/mmc/host.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/nand.h>
+ #include <linux/mtd/partitions.h>
+ #include <linux/platform_device.h>
+ #include <linux/serial_8250.h>
+ #include <linux/spi/spi.h>
+ #include <linux/spi/flash.h>
+ #include <linux/smc91x.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/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)
+ {
+ int bid;
+
+ /* try the DB1200 first */
+ bcsr_init(DB1200_BCSR_PHYS_ADDR,
+ DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
+ if (BCSR_WHOAMI_DB1200 == BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
+ unsigned short t = bcsr_read(BCSR_HEXLEDS);
+ bcsr_write(BCSR_HEXLEDS, ~t);
+ if (bcsr_read(BCSR_HEXLEDS) != t) {
+ bcsr_write(BCSR_HEXLEDS, t);
+ return 0;
+ }
+ }
+
+ /* okay, try the PB1200 then */
+ bcsr_init(PB1200_BCSR_PHYS_ADDR,
+ PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS);
+ bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
+ if ((bid == BCSR_WHOAMI_PB1200_DDR1) ||
+ (bid == BCSR_WHOAMI_PB1200_DDR2)) {
+ unsigned short t = bcsr_read(BCSR_HEXLEDS);
+ bcsr_write(BCSR_HEXLEDS, ~t);
+ if (bcsr_read(BCSR_HEXLEDS) != t) {
+ bcsr_write(BCSR_HEXLEDS, t);
+ return 0;
+ }
+ }
+
+ return 1; /* it's neither */
+ }
+
+ void __init 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;
+ }
+
+ whoami = bcsr_read(BCSR_WHOAMI);
+ printk(KERN_INFO "Alchemy/AMD/RMI %s Board, CPLD Rev %d"
+ " Board-ID %d Daughtercard ID %d\n", board_type_str(),
+ (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 */
+ __raw_writel(pfc, (void __iomem *)SYS_PINFUNC);
+ wmb();
+
+ /* Clock configurations: PSC0: ~50MHz via Clkgen0, derived from
+ * CPU clock; all other clock generators off/unused.
+ */
+ div = (get_au1x00_speed() + 25000000) / 50000000;
+ if (div & 1)
+ div++;
+ div = ((div >> 1) - 1) & 0xff;
+
+ freq0 = div << SYS_FC_FRDIV0_BIT;
+ __raw_writel(freq0, (void __iomem *)SYS_FREQCTRL0);
+ wmb();
+ freq0 |= SYS_FC_FE0; /* enable F0 */
+ __raw_writel(freq0, (void __iomem *)SYS_FREQCTRL0);
+ wmb();
+
+ /* psc0_intclk comes 1:1 from F0 */
+ clksrc = SYS_CS_MUX_FQ0 << SYS_CS_ME0_BIT;
+ __raw_writel(clksrc, (void __iomem *)SYS_CLKSRC);
+ wmb();
+ }
+
+ /******************************************************************************/
+
+ static struct mtd_partition db1200_spiflash_parts[] = {
+ {
+ .name = "spi_flash",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ },
+ };
+
+ static struct flash_platform_data db1200_spiflash_data = {
+ .name = "s25fl001",
+ .parts = db1200_spiflash_parts,
+ .nr_parts = ARRAY_SIZE(db1200_spiflash_parts),
+ .type = "m25p10",
+ };
+
+ static struct spi_board_info db1200_spi_devs[] __initdata = {
+ {
+ /* TI TMP121AIDBVR temp sensor */
+ .modalias = "tmp121",
+ .max_speed_hz = 2000000,
+ .bus_num = 0,
+ .chip_select = 0,
+ .mode = 0,
+ },
+ {
+ /* Spansion S25FL001D0FMA SPI flash */
+ .modalias = "m25p80",
+ .max_speed_hz = 50000000,
+ .bus_num = 0,
+ .chip_select = 1,
+ .mode = 0,
+ .platform_data = &db1200_spiflash_data,
+ },
+ };
+
+ static struct i2c_board_info db1200_i2c_devs[] __initdata = {
+ { I2C_BOARD_INFO("24c04", 0x52), }, /* AT24C04-10 I2C eeprom */
+ { I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */
+ { I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec WM8731 */
+ };
+
+ /**********************************************************************/
+
+ static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
+ {
+ struct nand_chip *this = mtd->priv;
+ unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
+
+ ioaddr &= 0xffffff00;
+
+ if (ctrl & NAND_CLE) {
+ ioaddr += MEM_STNAND_CMD;
+ } else if (ctrl & NAND_ALE) {
+ ioaddr += MEM_STNAND_ADDR;
+ } else {
+ /* assume we want to r/w real data by default */
+ ioaddr += MEM_STNAND_DATA;
+ }
+ this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
+ if (cmd != NAND_CMD_NONE) {
+ __raw_writeb(cmd, this->IO_ADDR_W);
+ wmb();
+ }
+ }
+
+ 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,
+ .size = 8 * 1024 * 1024,
+ },
+ {
+ .name = "NAND FS 1",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL
+ },
+ };
+
+ struct platform_nand_data db1200_nand_platdata = {
+ .chip = {
+ .nr_chips = 1,
+ .chip_offset = 0,
+ .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,
+ .cmd_ctrl = au1200_nand_cmd_ctrl,
+ },
+ };
+
+ static struct resource db1200_nand_res[] = {
+ [0] = {
+ .start = DB1200_NAND_PHYS_ADDR,
+ .end = DB1200_NAND_PHYS_ADDR + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ };
+
+ static struct platform_device db1200_nand_dev = {
+ .name = "gen_nand",
+ .num_resources = ARRAY_SIZE(db1200_nand_res),
+ .resource = db1200_nand_res,
+ .id = -1,
+ .dev = {
+ .platform_data = &db1200_nand_platdata,
+ }
+ };
+
+ /**********************************************************************/
+
+ static struct smc91x_platdata db1200_eth_data = {
+ .flags = SMC91X_NOWAIT | SMC91X_USE_16BIT,
+ .leda = RPC_LED_100_10,
+ .ledb = RPC_LED_TX_RX,
+ };
+
+ static struct resource db1200_eth_res[] = {
+ [0] = {
+ .start = DB1200_ETH_PHYS_ADDR,
+ .end = DB1200_ETH_PHYS_ADDR + 0xf,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DB1200_ETH_INT,
+ .end = DB1200_ETH_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ static struct platform_device db1200_eth_dev = {
+ .dev = {
+ .platform_data = &db1200_eth_data,
+ },
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(db1200_eth_res),
+ .resource = db1200_eth_res,
+ };
+
+ /**********************************************************************/
+
+ static struct resource db1200_ide_res[] = {
+ [0] = {
+ .start = DB1200_IDE_PHYS_ADDR,
+ .end = DB1200_IDE_PHYS_ADDR + DB1200_IDE_PHYS_LEN - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .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",
+ .id = 0,
+ .dev = {
+ .dma_mask = &au1200_ide_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(db1200_ide_res),
+ .resource = db1200_ide_res,
+ };
+
+ /**********************************************************************/
+
+ /* SD carddetects: they're supposed to be edge-triggered, but ack
+ * doesn't seem to work (CPLD Rev 2). Instead, the screaming one
+ * is disabled and its counterpart enabled. The 500ms timeout is
+ * because the carddetect isn't debounced in hardware.
+ */
+ static irqreturn_t db1200_mmc_cd(int irq, void *ptr)
+ {
+ void(*mmc_cd)(struct mmc_host *, unsigned long);
+
+ if (irq == DB1200_SD0_INSERT_INT) {
+ disable_irq_nosync(DB1200_SD0_INSERT_INT);
+ enable_irq(DB1200_SD0_EJECT_INT);
+ } else {
+ disable_irq_nosync(DB1200_SD0_EJECT_INT);
+ enable_irq(DB1200_SD0_INSERT_INT);
+ }
+
+ /* link against CONFIG_MMC=m */
+ mmc_cd = symbol_get(mmc_detect_change);
+ if (mmc_cd) {
+ mmc_cd(ptr, msecs_to_jiffies(500));
+ symbol_put(mmc_detect_change);
+ }
+
+ return IRQ_HANDLED;
+ }
+
+ static int db1200_mmc_cd_setup(void *mmc_host, int en)
+ {
+ int ret;
+
+ if (en) {
+ ret = request_irq(DB1200_SD0_INSERT_INT, db1200_mmc_cd,
- IRQF_DISABLED, "sd_eject", mmc_host);
++ 0, "sd_insert", mmc_host);
+ if (ret)
+ goto out;
+
+ ret = request_irq(DB1200_SD0_EJECT_INT, db1200_mmc_cd,
++ 0, "sd_eject", mmc_host);
+ if (ret) {
+ free_irq(DB1200_SD0_INSERT_INT, mmc_host);
+ goto out;
+ }
+
+ if (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT)
+ enable_irq(DB1200_SD0_EJECT_INT);
+ else
+ enable_irq(DB1200_SD0_INSERT_INT);
+
+ } else {
+ free_irq(DB1200_SD0_INSERT_INT, mmc_host);
+ free_irq(DB1200_SD0_EJECT_INT, mmc_host);
+ }
+ ret = 0;
+ out:
+ return ret;
+ }
+
+ static void db1200_mmc_set_power(void *mmc_host, int state)
+ {
+ if (state) {
+ bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
+ msleep(400); /* stabilization time */
+ } else
+ bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);
+ }
+
+ static int db1200_mmc_card_readonly(void *mmc_host)
+ {
+ return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
+ }
+
+ static int db1200_mmc_card_inserted(void *mmc_host)
+ {
+ return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
+ }
+
+ static void db1200_mmcled_set(struct led_classdev *led,
+ enum led_brightness brightness)
+ {
+ if (brightness != LED_OFF)
+ bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
+ else
+ bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
+ }
+
+ static struct led_classdev db1200_mmc_led = {
+ .brightness_set = db1200_mmcled_set,
+ };
+
+ /* -- */
+
+ static irqreturn_t pb1200_mmc1_cd(int irq, void *ptr)
+ {
+ void(*mmc_cd)(struct mmc_host *, unsigned long);
+
+ if (irq == PB1200_SD1_INSERT_INT) {
+ disable_irq_nosync(PB1200_SD1_INSERT_INT);
+ enable_irq(PB1200_SD1_EJECT_INT);
+ } else {
+ disable_irq_nosync(PB1200_SD1_EJECT_INT);
+ enable_irq(PB1200_SD1_INSERT_INT);
+ }
+
+ /* link against CONFIG_MMC=m */
+ mmc_cd = symbol_get(mmc_detect_change);
+ if (mmc_cd) {
+ mmc_cd(ptr, msecs_to_jiffies(500));
+ symbol_put(mmc_detect_change);
+ }
+
+ return IRQ_HANDLED;
+ }
+
+ static int pb1200_mmc1_cd_setup(void *mmc_host, int en)
+ {
+ int ret;
+
+ if (en) {
+ ret = request_irq(PB1200_SD1_INSERT_INT, pb1200_mmc1_cd, 0,
+ "sd1_insert", mmc_host);
+ if (ret)
+ goto out;
+
+ ret = request_irq(PB1200_SD1_EJECT_INT, pb1200_mmc1_cd, 0,
+ "sd1_eject", mmc_host);
+ if (ret) {
+ free_irq(PB1200_SD1_INSERT_INT, mmc_host);
+ goto out;
+ }
+
+ if (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT)
+ enable_irq(PB1200_SD1_EJECT_INT);
+ else
+ enable_irq(PB1200_SD1_INSERT_INT);
+
+ } else {
+ free_irq(PB1200_SD1_INSERT_INT, mmc_host);
+ free_irq(PB1200_SD1_EJECT_INT, mmc_host);
+ }
+ ret = 0;
+ out:
+ return ret;
+ }
+
+ static void pb1200_mmc1led_set(struct led_classdev *led,
+ enum led_brightness brightness)
+ {
+ if (brightness != LED_OFF)
+ bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
+ else
+ bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
+ }
+
+ static struct led_classdev pb1200_mmc1_led = {
+ .brightness_set = pb1200_mmc1led_set,
+ };
+
+ static void pb1200_mmc1_set_power(void *mmc_host, int state)
+ {
+ if (state) {
+ bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
+ msleep(400); /* stabilization time */
+ } else
+ bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);
+ }
+
+ static int pb1200_mmc1_card_readonly(void *mmc_host)
+ {
+ return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
+ }
+
+ static int pb1200_mmc1_card_inserted(void *mmc_host)
+ {
+ return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
+ }
+
+
+ static struct au1xmmc_platform_data db1200_mmc_platdata[2] = {
+ [0] = {
+ .cd_setup = db1200_mmc_cd_setup,
+ .set_power = db1200_mmc_set_power,
+ .card_inserted = db1200_mmc_card_inserted,
+ .card_readonly = db1200_mmc_card_readonly,
+ .led = &db1200_mmc_led,
+ },
+ [1] = {
+ .cd_setup = pb1200_mmc1_cd_setup,
+ .set_power = pb1200_mmc1_set_power,
+ .card_inserted = pb1200_mmc1_card_inserted,
+ .card_readonly = pb1200_mmc1_card_readonly,
+ .led = &pb1200_mmc1_led,
+ },
+ };
+
+ static struct resource au1200_mmc0_resources[] = {
+ [0] = {
+ .start = AU1100_SD0_PHYS_ADDR,
+ .end = AU1100_SD0_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_SD_INT,
+ .end = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AU1200_DSCR_CMD0_SDMS_TX0,
+ .end = AU1200_DSCR_CMD0_SDMS_TX0,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = AU1200_DSCR_CMD0_SDMS_RX0,
+ .end = AU1200_DSCR_CMD0_SDMS_RX0,
+ .flags = IORESOURCE_DMA,
+ }
+ };
+
+ static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32);
+
+ static struct platform_device db1200_mmc0_dev = {
+ .name = "au1xxx-mmc",
+ .id = 0,
+ .dev = {
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &db1200_mmc_platdata[0],
+ },
+ .num_resources = ARRAY_SIZE(au1200_mmc0_resources),
+ .resource = au1200_mmc0_resources,
+ };
+
+ static struct resource au1200_mmc1_res[] = {
+ [0] = {
+ .start = AU1100_SD1_PHYS_ADDR,
+ .end = AU1100_SD1_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_SD_INT,
+ .end = AU1200_SD_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AU1200_DSCR_CMD0_SDMS_TX1,
+ .end = AU1200_DSCR_CMD0_SDMS_TX1,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = AU1200_DSCR_CMD0_SDMS_RX1,
+ .end = AU1200_DSCR_CMD0_SDMS_RX1,
+ .flags = IORESOURCE_DMA,
+ }
+ };
+
+ static struct platform_device pb1200_mmc1_dev = {
+ .name = "au1xxx-mmc",
+ .id = 1,
+ .dev = {
+ .dma_mask = &au1xxx_mmc_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &db1200_mmc_platdata[1],
+ },
+ .num_resources = ARRAY_SIZE(au1200_mmc1_res),
+ .resource = au1200_mmc1_res,
+ };
+
+ /**********************************************************************/
+
+ static int db1200fb_panel_index(void)
+ {
+ return (bcsr_read(BCSR_SWITCHES) >> 8) & 0x0f;
+ }
+
+ static int db1200fb_panel_init(void)
+ {
+ /* Apply power */
+ bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD |
+ BCSR_BOARD_LCDBL);
+ return 0;
+ }
+
+ static int db1200fb_panel_shutdown(void)
+ {
+ /* Remove power */
+ bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD |
+ BCSR_BOARD_LCDBL, 0);
+ return 0;
+ }
+
+ static struct au1200fb_platdata db1200fb_pd = {
+ .panel_index = db1200fb_panel_index,
+ .panel_init = db1200fb_panel_init,
+ .panel_shutdown = db1200fb_panel_shutdown,
+ };
+
+ static struct resource au1200_lcd_res[] = {
+ [0] = {
+ .start = AU1200_LCD_PHYS_ADDR,
+ .end = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_LCD_INT,
+ .end = AU1200_LCD_INT,
+ .flags = IORESOURCE_IRQ,
+ }
+ };
+
+ static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32);
+
+ static struct platform_device au1200_lcd_dev = {
+ .name = "au1200-lcd",
+ .id = 0,
+ .dev = {
+ .dma_mask = &au1200_lcd_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &db1200fb_pd,
+ },
+ .num_resources = ARRAY_SIZE(au1200_lcd_res),
+ .resource = au1200_lcd_res,
+ };
+
+ /**********************************************************************/
+
+ static struct resource au1200_psc0_res[] = {
+ [0] = {
+ .start = AU1550_PSC0_PHYS_ADDR,
+ .end = AU1550_PSC0_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_PSC0_INT,
+ .end = AU1200_PSC0_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AU1200_DSCR_CMD0_PSC0_TX,
+ .end = AU1200_DSCR_CMD0_PSC0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = AU1200_DSCR_CMD0_PSC0_RX,
+ .end = AU1200_DSCR_CMD0_PSC0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ };
+
+ static struct platform_device db1200_i2c_dev = {
+ .name = "au1xpsc_smbus",
+ .id = 0, /* bus number */
+ .num_resources = ARRAY_SIZE(au1200_psc0_res),
+ .resource = au1200_psc0_res,
+ };
+
+ static void db1200_spi_cs_en(struct au1550_spi_info *spi, int cs, int pol)
+ {
+ if (cs)
+ bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_SPISEL);
+ else
+ bcsr_mod(BCSR_RESETS, BCSR_RESETS_SPISEL, 0);
+ }
+
+ static struct au1550_spi_info db1200_spi_platdata = {
+ .mainclk_hz = 50000000, /* PSC0 clock */
+ .num_chipselect = 2,
+ .activate_cs = db1200_spi_cs_en,
+ };
+
+ static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+ static struct platform_device db1200_spi_dev = {
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &db1200_spi_platdata,
+ },
+ .name = "au1550-spi",
+ .id = 0, /* bus number */
+ .num_resources = ARRAY_SIZE(au1200_psc0_res),
+ .resource = au1200_psc0_res,
+ };
+
+ static struct resource au1200_psc1_res[] = {
+ [0] = {
+ .start = AU1550_PSC1_PHYS_ADDR,
+ .end = AU1550_PSC1_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AU1200_PSC1_INT,
+ .end = AU1200_PSC1_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AU1200_DSCR_CMD0_PSC1_TX,
+ .end = AU1200_DSCR_CMD0_PSC1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = AU1200_DSCR_CMD0_PSC1_RX,
+ .end = AU1200_DSCR_CMD0_PSC1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ };
+
+ /* AC97 or I2S device */
+ static struct platform_device db1200_audio_dev = {
+ /* name assigned later based on switch setting */
+ .id = 1, /* PSC ID */
+ .num_resources = ARRAY_SIZE(au1200_psc1_res),
+ .resource = au1200_psc1_res,
+ };
+
+ /* DB1200 ASoC card device */
+ static struct platform_device db1200_sound_dev = {
+ /* name assigned later based on switch setting */
+ .id = 1, /* PSC ID */
+ };
+
+ static struct platform_device db1200_stac_dev = {
+ .name = "ac97-codec",
+ .id = 1, /* on PSC1 */
+ };
+
+ static struct platform_device db1200_audiodma_dev = {
+ .name = "au1xpsc-pcm",
+ .id = 1, /* PSC ID */
+ };
+
+ static struct platform_device *db1200_devs[] __initdata = {
+ NULL, /* PSC0, selected by S6.8 */
+ &db1200_ide_dev,
+ &db1200_mmc0_dev,
+ &au1200_lcd_dev,
+ &db1200_eth_dev,
+ &db1200_nand_dev,
+ &db1200_audiodma_dev,
+ &db1200_audio_dev,
+ &db1200_stac_dev,
+ &db1200_sound_dev,
+ };
+
+ static struct platform_device *pb1200_devs[] __initdata = {
+ &pb1200_mmc1_dev,
+ };
+
+ /* Some peripheral base addresses differ on the PB1200 */
+ static int __init pb1200_res_fixup(void)
+ {
+ /* CPLD Revs earlier than 4 cause problems */
+ if (BCSR_WHOAMI_CPLD(bcsr_read(BCSR_WHOAMI)) <= 3) {
+ printk(KERN_ERR "WARNING!!!\n");
+ printk(KERN_ERR "WARNING!!!\n");
+ printk(KERN_ERR "PB1200 must be at CPLD rev 4. Please have\n");
+ printk(KERN_ERR "the board updated to latest revisions.\n");
+ printk(KERN_ERR "This software will not work reliably\n");
+ printk(KERN_ERR "on anything older than CPLD rev 4.!\n");
+ printk(KERN_ERR "WARNING!!!\n");
+ printk(KERN_ERR "WARNING!!!\n");
+ return 1;
+ }
+
+ db1200_nand_res[0].start = PB1200_NAND_PHYS_ADDR;
+ 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_eth_res[0].start = PB1200_ETH_PHYS_ADDR;
+ db1200_eth_res[0].end = PB1200_ETH_PHYS_ADDR + 0xff;
+ return 0;
+ }
+
+ static int __init db1200_dev_init(void)
+ {
+ unsigned long pfc;
+ unsigned short sw;
+ int swapped, bid;
+
+ bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
+ if ((bid == BCSR_WHOAMI_PB1200_DDR1) ||
+ (bid == BCSR_WHOAMI_PB1200_DDR2)) {
+ if (pb1200_res_fixup())
+ return -ENODEV;
+ }
+
+ /* GPIO7 is low-level triggered CPLD cascade */
+ 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
+ * issues they must not be automatically enabled when initially
+ * requested.
+ */
+ irq_set_status_flags(DB1200_SD0_INSERT_INT, IRQ_NOAUTOEN);
+ irq_set_status_flags(DB1200_SD0_EJECT_INT, IRQ_NOAUTOEN);
+ irq_set_status_flags(DB1200_PC0_INSERT_INT, IRQ_NOAUTOEN);
+ irq_set_status_flags(DB1200_PC0_EJECT_INT, IRQ_NOAUTOEN);
+ irq_set_status_flags(DB1200_PC1_INSERT_INT, IRQ_NOAUTOEN);
+ irq_set_status_flags(DB1200_PC1_EJECT_INT, IRQ_NOAUTOEN);
+
+ i2c_register_board_info(0, db1200_i2c_devs,
+ ARRAY_SIZE(db1200_i2c_devs));
+ spi_register_board_info(db1200_spi_devs,
+ ARRAY_SIZE(db1200_i2c_devs));
+
+ /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI)
+ * S6.7 AC97/I2S selector (OFF=AC97 ON=I2S)
+ * or S12 on the PB1200.
+ */
+
+ /* NOTE: GPIO215 controls OTG VBUS supply. In SPI mode however
+ * this pin is claimed by PSC0 (unused though, but pinmux doesn't
+ * allow to free it without crippling the SPI interface).
+ * As a result, in SPI mode, OTG simply won't work (PSC0 uses
+ * it as an input pin which is pulled high on the boards).
+ */
+ pfc = __raw_readl((void __iomem *)SYS_PINFUNC) & ~SYS_PINFUNC_P0A;
+
+ /* switch off OTG VBUS supply */
+ gpio_request(215, "otg-vbus");
+ gpio_direction_output(215, 1);
+
+ printk(KERN_INFO "%s device configuration:\n", board_type_str());
+
+ sw = bcsr_read(BCSR_SWITCHES);
+ if (sw & BCSR_SWITCHES_DIP_8) {
+ db1200_devs[0] = &db1200_i2c_dev;
+ bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0);
+
+ pfc |= (2 << 17); /* GPIO2 block owns GPIO215 */
+
+ printk(KERN_INFO " S6.8 OFF: PSC0 mode I2C\n");
+ printk(KERN_INFO " OTG port VBUS supply available!\n");
+ } else {
+ db1200_devs[0] = &db1200_spi_dev;
+ bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC0MUX);
+
+ pfc |= (1 << 17); /* PSC0 owns GPIO215 */
+
+ printk(KERN_INFO " S6.8 ON : PSC0 mode SPI\n");
+ printk(KERN_INFO " OTG port VBUS supply disabled\n");
+ }
+ __raw_writel(pfc, (void __iomem *)SYS_PINFUNC);
+ wmb();
+
+ /* Audio: DIP7 selects I2S(0)/AC97(1), but need I2C for I2S!
+ * so: DIP7=1 || DIP8=0 => AC97, DIP7=0 && DIP8=1 => I2S
+ */
+ sw &= BCSR_SWITCHES_DIP_8 | BCSR_SWITCHES_DIP_7;
+ if (sw == BCSR_SWITCHES_DIP_8) {
+ bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC1MUX);
+ db1200_audio_dev.name = "au1xpsc_i2s";
+ db1200_sound_dev.name = "db1200-i2s";
+ printk(KERN_INFO " S6.7 ON : PSC1 mode I2S\n");
+ } else {
+ bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC1MUX, 0);
+ db1200_audio_dev.name = "au1xpsc_ac97";
+ db1200_sound_dev.name = "db1200-ac97";
+ printk(KERN_INFO " S6.7 OFF: PSC1 mode AC97\n");
+ }
+
+ /* Audio PSC clock is supplied externally. (FIXME: platdata!!) */
+ __raw_writel(PSC_SEL_CLK_SERCLK,
+ (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
+ wmb();
+
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
+ DB1200_PC0_INT, DB1200_PC0_INSERT_INT,
+ /*DB1200_PC0_STSCHG_INT*/0, DB1200_PC0_EJECT_INT, 0);
+
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1,
+ DB1200_PC1_INT, DB1200_PC1_INSERT_INT,
+ /*DB1200_PC1_STSCHG_INT*/0, DB1200_PC1_EJECT_INT, 1);
+
+ swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
+ db1x_register_norflash(64 << 20, 2, swapped);
+
+ platform_add_devices(db1200_devs, ARRAY_SIZE(db1200_devs));
+
+ /* PB1200 is a DB1200 with a 2nd MMC and Camera connector */
+ if ((bid == BCSR_WHOAMI_PB1200_DDR1) ||
+ (bid == BCSR_WHOAMI_PB1200_DDR2))
+ platform_add_devices(pb1200_devs, ARRAY_SIZE(pb1200_devs));
+
+ return 0;
+ }
+ device_initcall(db1200_dev_init);
projects / deliverable / linux.git / commitdiff
