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linux-zen-server/arch/mips/alchemy/devboards/db1300.c

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Initial commit
2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* DBAu1300 init and platform device setup.
*
* (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
*/
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/init.h>
#include <linux/input.h> /* KEY_* codes */
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/interrupt.h>
#include <linux/ata_platform.h>
#include <linux/mmc/host.h>
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/platnand.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/wm97xx.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/gpio-au1300.h>
#include <asm/mach-au1x00/au1100_mmc.h>
#include <asm/mach-au1x00/au1200fb.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-db1x00/bcsr.h>
#include <asm/mach-au1x00/prom.h>
#include "platform.h"
/* FPGA (external mux) interrupt sources */
#define DB1300_FIRST_INT (ALCHEMY_GPIC_INT_LAST + 1)
#define DB1300_IDE_INT (DB1300_FIRST_INT + 0)
#define DB1300_ETH_INT (DB1300_FIRST_INT + 1)
#define DB1300_CF_INT (DB1300_FIRST_INT + 2)
#define DB1300_VIDEO_INT (DB1300_FIRST_INT + 4)
#define DB1300_HDMI_INT (DB1300_FIRST_INT + 5)
#define DB1300_DC_INT (DB1300_FIRST_INT + 6)
#define DB1300_FLASH_INT (DB1300_FIRST_INT + 7)
#define DB1300_CF_INSERT_INT (DB1300_FIRST_INT + 8)
#define DB1300_CF_EJECT_INT (DB1300_FIRST_INT + 9)
#define DB1300_AC97_INT (DB1300_FIRST_INT + 10)
#define DB1300_AC97_PEN_INT (DB1300_FIRST_INT + 11)
#define DB1300_SD1_INSERT_INT (DB1300_FIRST_INT + 12)
#define DB1300_SD1_EJECT_INT (DB1300_FIRST_INT + 13)
#define DB1300_OTG_VBUS_OC_INT (DB1300_FIRST_INT + 14)
#define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
#define DB1300_LAST_INT (DB1300_FIRST_INT + 15)
/* SMSC9210 CS */
#define DB1300_ETH_PHYS_ADDR 0x19000000
#define DB1300_ETH_PHYS_END 0x197fffff
/* ATA CS */
#define DB1300_IDE_PHYS_ADDR 0x18800000
#define DB1300_IDE_REG_SHIFT 5
#define DB1300_IDE_PHYS_LEN (16 << DB1300_IDE_REG_SHIFT)
/* NAND CS */
#define DB1300_NAND_PHYS_ADDR 0x20000000
#define DB1300_NAND_PHYS_END 0x20000fff
static struct i2c_board_info db1300_i2c_devs[] __initdata = {
{ I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec */
{ I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */
};
/* multifunction pins to assign to GPIO controller */
static int db1300_gpio_pins[] __initdata = {
AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
AU1300_PIN_EXTCLK1,
-1, /* terminator */
};
/* multifunction pins to assign to device functions */
static int db1300_dev_pins[] __initdata = {
/* wake-from-str pins 0-3 */
AU1300_PIN_WAKE0,
/* external clock sources for PSC0 */
AU1300_PIN_EXTCLK0,
/* 8bit MMC interface on SD0: 6-9 */
AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
AU1300_PIN_SD0DAT7,
/* UART1 pins: 11-18 */
AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
AU1300_PIN_U1RX, AU1300_PIN_U1TX,
/* UART0 pins: 19-24 */
AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
/* UART2: 25-26 */
AU1300_PIN_U2RX, AU1300_PIN_U2TX,
/* UART3: 27-28 */
AU1300_PIN_U3RX, AU1300_PIN_U3TX,
/* LCD controller PWMs, ext pixclock: 30-31 */
AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
/* SD1 interface: 32-37 */
AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
/* SD2 interface: 38-43 */
AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
/* PSC0/1 clocks: 44-45 */
AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
/* PSCs: 46-49/50-53/54-57/58-61 */
AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
AU1300_PIN_PSC0D1,
AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
AU1300_PIN_PSC1D1,
AU1300_PIN_PSC2SYNC0, AU1300_PIN_PSC2D0,
AU1300_PIN_PSC2D1,
AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
AU1300_PIN_PSC3D1,
/* PCMCIA interface: 62-70 */
AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
/* camera interface H/V sync inputs: 71-72 */
AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
/* PSC2/3 clocks: 73-74 */
AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
-1, /* terminator */
};
static void __init db1300_gpio_config(void)
{
int *i;
i = &db1300_dev_pins[0];
while (*i != -1)
au1300_pinfunc_to_dev(*i++);
i = &db1300_gpio_pins[0];
while (*i != -1)
au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
}
/**********************************************************************/
static u64 au1300_all_dmamask = DMA_BIT_MASK(32);
static void au1300_nand_cmd_ctrl(struct nand_chip *this, int cmd,
unsigned int ctrl)
{
unsigned long ioaddr = (unsigned long)this->legacy.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->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
if (cmd != NAND_CMD_NONE) {
__raw_writeb(cmd, this->legacy.IO_ADDR_W);
wmb();
}
}
static int au1300_nand_device_ready(struct nand_chip *this)
{
return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
}
static struct mtd_partition db1300_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 db1300_nand_platdata = {
.chip = {
.nr_chips = 1,
.chip_offset = 0,
.nr_partitions = ARRAY_SIZE(db1300_nand_parts),
.partitions = db1300_nand_parts,
.chip_delay = 20,
},
.ctrl = {
.dev_ready = au1300_nand_device_ready,
.cmd_ctrl = au1300_nand_cmd_ctrl,
},
};
static struct resource db1300_nand_res[] = {
[0] = {
.start = DB1300_NAND_PHYS_ADDR,
.end = DB1300_NAND_PHYS_ADDR + 0xff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device db1300_nand_dev = {
.name = "gen_nand",
.num_resources = ARRAY_SIZE(db1300_nand_res),
.resource = db1300_nand_res,
.id = -1,
.dev = {
.platform_data = &db1300_nand_platdata,
}
};
/**********************************************************************/
static struct resource db1300_eth_res[] = {
[0] = {
.start = DB1300_ETH_PHYS_ADDR,
.end = DB1300_ETH_PHYS_END,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DB1300_ETH_INT,
.end = DB1300_ETH_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct smsc911x_platform_config db1300_eth_config = {
.phy_interface = PHY_INTERFACE_MODE_MII,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_32BIT,
};
static struct platform_device db1300_eth_dev = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(db1300_eth_res),
.resource = db1300_eth_res,
.dev = {
.platform_data = &db1300_eth_config,
},
};
/**********************************************************************/
static struct resource au1300_psc1_res[] = {
[0] = {
.start = AU1300_PSC1_PHYS_ADDR,
.end = AU1300_PSC1_PHYS_ADDR + 0x0fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_PSC1_INT,
.end = AU1300_PSC1_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AU1300_DSCR_CMD0_PSC1_TX,
.end = AU1300_DSCR_CMD0_PSC1_TX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = AU1300_DSCR_CMD0_PSC1_RX,
.end = AU1300_DSCR_CMD0_PSC1_RX,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device db1300_ac97_dev = {
.name = "au1xpsc_ac97",
.id = 1, /* PSC ID. match with AC97 codec ID! */
.num_resources = ARRAY_SIZE(au1300_psc1_res),
.resource = au1300_psc1_res,
};
/**********************************************************************/
static struct resource au1300_psc2_res[] = {
[0] = {
.start = AU1300_PSC2_PHYS_ADDR,
.end = AU1300_PSC2_PHYS_ADDR + 0x0fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_PSC2_INT,
.end = AU1300_PSC2_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AU1300_DSCR_CMD0_PSC2_TX,
.end = AU1300_DSCR_CMD0_PSC2_TX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = AU1300_DSCR_CMD0_PSC2_RX,
.end = AU1300_DSCR_CMD0_PSC2_RX,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device db1300_i2s_dev = {
.name = "au1xpsc_i2s",
.id = 2, /* PSC ID */
.num_resources = ARRAY_SIZE(au1300_psc2_res),
.resource = au1300_psc2_res,
};
/**********************************************************************/
static struct resource au1300_psc3_res[] = {
[0] = {
.start = AU1300_PSC3_PHYS_ADDR,
.end = AU1300_PSC3_PHYS_ADDR + 0x0fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_PSC3_INT,
.end = AU1300_PSC3_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AU1300_DSCR_CMD0_PSC3_TX,
.end = AU1300_DSCR_CMD0_PSC3_TX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = AU1300_DSCR_CMD0_PSC3_RX,
.end = AU1300_DSCR_CMD0_PSC3_RX,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device db1300_i2c_dev = {
.name = "au1xpsc_smbus",
.id = 0, /* bus number */
.num_resources = ARRAY_SIZE(au1300_psc3_res),
.resource = au1300_psc3_res,
};
/**********************************************************************/
/* proper key assignments when facing the LCD panel. For key assignments
* according to the schematics swap up with down and left with right.
* I chose to use it to emulate the arrow keys of a keyboard.
*/
static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
{
.code = KEY_DOWN,
.gpio = AU1300_PIN_LCDPWM0,
.type = EV_KEY,
.debounce_interval = 1,
.active_low = 1,
.desc = "5waysw-down",
},
{
.code = KEY_UP,
.gpio = AU1300_PIN_PSC2SYNC1,
.type = EV_KEY,
.debounce_interval = 1,
.active_low = 1,
.desc = "5waysw-up",
},
{
.code = KEY_RIGHT,
.gpio = AU1300_PIN_WAKE3,
.type = EV_KEY,
.debounce_interval = 1,
.active_low = 1,
.desc = "5waysw-right",
},
{
.code = KEY_LEFT,
.gpio = AU1300_PIN_WAKE2,
.type = EV_KEY,
.debounce_interval = 1,
.active_low = 1,
.desc = "5waysw-left",
},
{
.code = KEY_ENTER,
.gpio = AU1300_PIN_WAKE1,
.type = EV_KEY,
.debounce_interval = 1,
.active_low = 1,
.desc = "5waysw-push",
},
};
static struct gpio_keys_platform_data db1300_5waysw_data = {
.buttons = db1300_5waysw_arrowkeys,
.nbuttons = ARRAY_SIZE(db1300_5waysw_arrowkeys),
.rep = 1,
.name = "db1300-5wayswitch",
};
static struct platform_device db1300_5waysw_dev = {
.name = "gpio-keys",
.dev = {
.platform_data = &db1300_5waysw_data,
},
};
/**********************************************************************/
static struct pata_platform_info db1300_ide_info = {
.ioport_shift = DB1300_IDE_REG_SHIFT,
};
#define IDE_ALT_START (14 << DB1300_IDE_REG_SHIFT)
static struct resource db1300_ide_res[] = {
[0] = {
.start = DB1300_IDE_PHYS_ADDR,
.end = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
.end = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = DB1300_IDE_INT,
.end = DB1300_IDE_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device db1300_ide_dev = {
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &db1300_ide_info,
},
.name = "pata_platform",
.resource = db1300_ide_res,
.num_resources = ARRAY_SIZE(db1300_ide_res),
};
/**********************************************************************/
static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
{
disable_irq_nosync(irq);
return IRQ_WAKE_THREAD;
}
static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
{
void (*mmc_cd)(struct mmc_host *, unsigned long);
/* link against CONFIG_MMC=m. We can only be called once MMC core has
* initialized the controller, so symbol_get() should always succeed.
*/
mmc_cd = symbol_get(mmc_detect_change);
mmc_cd(ptr, msecs_to_jiffies(200));
symbol_put(mmc_detect_change);
msleep(100); /* debounce */
if (irq == DB1300_SD1_INSERT_INT)
enable_irq(DB1300_SD1_EJECT_INT);
else
enable_irq(DB1300_SD1_INSERT_INT);
return IRQ_HANDLED;
}
static int db1300_mmc_card_readonly(void *mmc_host)
{
/* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
}
static int db1300_mmc_card_inserted(void *mmc_host)
{
return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
}
static int db1300_mmc_cd_setup(void *mmc_host, int en)
{
int ret;
if (en) {
ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd,
db1300_mmc_cdfn, 0, "sd_insert", mmc_host);
if (ret)
goto out;
ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd,
db1300_mmc_cdfn, 0, "sd_eject", mmc_host);
if (ret) {
free_irq(DB1300_SD1_INSERT_INT, mmc_host);
goto out;
}
if (db1300_mmc_card_inserted(mmc_host))
enable_irq(DB1300_SD1_EJECT_INT);
else
enable_irq(DB1300_SD1_INSERT_INT);
} else {
free_irq(DB1300_SD1_INSERT_INT, mmc_host);
free_irq(DB1300_SD1_EJECT_INT, mmc_host);
}
ret = 0;
out:
return ret;
}
static void db1300_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 db1300_mmc_led = {
.brightness_set = db1300_mmcled_set,
};
struct au1xmmc_platform_data db1300_sd1_platdata = {
.cd_setup = db1300_mmc_cd_setup,
.card_inserted = db1300_mmc_card_inserted,
.card_readonly = db1300_mmc_card_readonly,
.led = &db1300_mmc_led,
};
static struct resource au1300_sd1_res[] = {
[0] = {
.start = AU1300_SD1_PHYS_ADDR,
.end = AU1300_SD1_PHYS_ADDR,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_SD1_INT,
.end = AU1300_SD1_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AU1300_DSCR_CMD0_SDMS_TX1,
.end = AU1300_DSCR_CMD0_SDMS_TX1,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = AU1300_DSCR_CMD0_SDMS_RX1,
.end = AU1300_DSCR_CMD0_SDMS_RX1,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device db1300_sd1_dev = {
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &db1300_sd1_platdata,
},
.name = "au1xxx-mmc",
.id = 1,
.resource = au1300_sd1_res,
.num_resources = ARRAY_SIZE(au1300_sd1_res),
};
/**********************************************************************/
static int db1300_movinand_inserted(void *mmc_host)
{
return 0; /* disable for now, it doesn't work yet */
}
static int db1300_movinand_readonly(void *mmc_host)
{
return 0;
}
static void db1300_movinand_led_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 db1300_movinand_led = {
.brightness_set = db1300_movinand_led_set,
};
struct au1xmmc_platform_data db1300_sd0_platdata = {
.card_inserted = db1300_movinand_inserted,
.card_readonly = db1300_movinand_readonly,
.led = &db1300_movinand_led,
.mask_host_caps = MMC_CAP_NEEDS_POLL,
};
static struct resource au1300_sd0_res[] = {
[0] = {
.start = AU1100_SD0_PHYS_ADDR,
.end = AU1100_SD0_PHYS_ADDR,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_SD0_INT,
.end = AU1300_SD0_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AU1300_DSCR_CMD0_SDMS_TX0,
.end = AU1300_DSCR_CMD0_SDMS_TX0,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = AU1300_DSCR_CMD0_SDMS_RX0,
.end = AU1300_DSCR_CMD0_SDMS_RX0,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device db1300_sd0_dev = {
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &db1300_sd0_platdata,
},
.name = "au1xxx-mmc",
.id = 0,
.resource = au1300_sd0_res,
.num_resources = ARRAY_SIZE(au1300_sd0_res),
};
/**********************************************************************/
static struct platform_device db1300_wm9715_dev = {
.name = "wm9712-codec",
.id = 1, /* ID of PSC for AC97 audio, see asoc glue! */
};
static struct platform_device db1300_ac97dma_dev = {
.name = "au1xpsc-pcm",
.id = 1, /* PSC ID */
};
static struct platform_device db1300_i2sdma_dev = {
.name = "au1xpsc-pcm",
.id = 2, /* PSC ID */
};
static struct platform_device db1300_sndac97_dev = {
.name = "db1300-ac97",
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct platform_device db1300_sndi2s_dev = {
.name = "db1300-i2s",
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
/**********************************************************************/
static int db1300fb_panel_index(void)
{
return 9; /* DB1300_800x480 */
}
static int db1300fb_panel_init(void)
{
/* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
BCSR_BOARD_LCDBL);
return 0;
}
static int db1300fb_panel_shutdown(void)
{
/* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
return 0;
}
static struct au1200fb_platdata db1300fb_pd = {
.panel_index = db1300fb_panel_index,
.panel_init = db1300fb_panel_init,
.panel_shutdown = db1300fb_panel_shutdown,
};
static struct resource au1300_lcd_res[] = {
[0] = {
.start = AU1200_LCD_PHYS_ADDR,
.end = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1300_LCD_INT,
.end = AU1300_LCD_INT,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device db1300_lcd_dev = {
.name = "au1200-lcd",
.id = 0,
.dev = {
.dma_mask = &au1300_all_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &db1300fb_pd,
},
.num_resources = ARRAY_SIZE(au1300_lcd_res),
.resource = au1300_lcd_res,
};
/**********************************************************************/
#if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX)
static struct wm97xx_mach_ops db1300_wm97xx_ops = {
.irq_gpio = WM97XX_GPIO_3,
};
static int db1300_wm97xx_probe(struct platform_device *pdev)
{
struct wm97xx *wm = platform_get_drvdata(pdev);
/* external pendown indicator */
wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
WM97XX_GPIO_WAKE);
/* internal "virtual" pendown gpio */
wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
WM97XX_GPIO_NOWAKE);
wm->pen_irq = DB1300_AC97_PEN_INT;
return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
}
#else
static int db1300_wm97xx_probe(struct platform_device *pdev)
{
return -ENODEV;
}
#endif
static struct platform_driver db1300_wm97xx_driver = {
.driver.name = "wm97xx-touch",
.driver.owner = THIS_MODULE,
.probe = db1300_wm97xx_probe,
};
/**********************************************************************/
static struct platform_device *db1300_dev[] __initdata = {
&db1300_eth_dev,
&db1300_i2c_dev,
&db1300_5waysw_dev,
&db1300_nand_dev,
&db1300_ide_dev,
&db1300_sd0_dev,
&db1300_sd1_dev,
&db1300_lcd_dev,
&db1300_ac97_dev,
&db1300_i2s_dev,
&db1300_wm9715_dev,
&db1300_ac97dma_dev,
&db1300_i2sdma_dev,
&db1300_sndac97_dev,
&db1300_sndi2s_dev,
};
int __init db1300_dev_setup(void)
{
int swapped, cpldirq;
struct clk *c;
/* setup CPLD IRQ muxer */
cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
/* insert/eject IRQs: one always triggers so don't enable them
* when doing request_irq() on them. DB1200 has this bug too.
*/
irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
/*
* setup board
*/
prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
i2c_register_board_info(0, db1300_i2c_devs,
ARRAY_SIZE(db1300_i2c_devs));
if (platform_driver_register(&db1300_wm97xx_driver))
pr_warn("DB1300: failed to init touch pen irq support!\n");
/* Audio PSC clock is supplied by codecs (PSC1, 2) */
__raw_writel(PSC_SEL_CLK_SERCLK,
(void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
wmb();
__raw_writel(PSC_SEL_CLK_SERCLK,
(void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
wmb();
/* I2C driver wants 50MHz, get as close as possible */
c = clk_get(NULL, "psc3_intclk");
if (!IS_ERR(c)) {
clk_set_rate(c, 50000000);
clk_prepare_enable(c);
clk_put(c);
}
__raw_writel(PSC_SEL_CLK_INTCLK,
(void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
wmb();
/* enable power to USB ports */
bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
/* although it is socket #0, it uses the CPLD bits which previous boards
* have used for socket #1.
*/
db1x_register_pcmcia_socket(
AU1000_PCMCIA_ATTR_PHYS_ADDR,
AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
AU1000_PCMCIA_MEM_PHYS_ADDR,
AU1000_PCMCIA_MEM_PHYS_ADDR + 0x00400000 - 1,
AU1000_PCMCIA_IO_PHYS_ADDR,
AU1000_PCMCIA_IO_PHYS_ADDR + 0x00010000 - 1,
DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
db1x_register_norflash(64 << 20, 2, swapped);
return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
}
int __init db1300_board_setup(void)
{
unsigned short whoami;
bcsr_init(DB1300_BCSR_PHYS_ADDR,
DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
whoami = bcsr_read(BCSR_WHOAMI);
if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
return -ENODEV;
db1300_gpio_config();
printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
"BoardID %d CPLD Rev %d DaughtercardID %d\n",
BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
BCSR_WHOAMI_DCID(whoami));
/* enable UARTs, YAMON only enables #2 */
alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
return 0;
}