aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-omap3pandora.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3pandora.c')
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c172
1 files changed, 146 insertions, 26 deletions
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index c0f4f12eba54..dd3af2be13be 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -25,10 +25,14 @@
#include <linux/spi/ads7846.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
+#include <linux/spi/wl12xx.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
#include <linux/leds.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/gpio_keys.h>
+#include <linux/mmc/card.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -41,15 +45,49 @@
#include <plat/mcspi.h>
#include <plat/usb.h>
#include <plat/display.h>
+#include <plat/nand.h>
#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
+#define PANDORA_WIFI_IRQ_GPIO 21
+#define PANDORA_WIFI_NRESET_GPIO 23
#define OMAP3_PANDORA_TS_GPIO 94
-/* hardware debounce: (value + 1) * 31us */
-#define GPIO_DEBOUNCE_TIME 127
+#define NAND_BLOCK_SIZE SZ_128K
+
+static struct mtd_partition omap3pandora_nand_partitions[] = {
+ {
+ .name = "xloader",
+ .offset = 0,
+ .size = 4 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "uboot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 15 * NAND_BLOCK_SIZE,
+ }, {
+ .name = "uboot-env",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 1 * NAND_BLOCK_SIZE,
+ }, {
+ .name = "boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 80 * NAND_BLOCK_SIZE,
+ }, {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap_nand_platform_data pandora_nand_data = {
+ .cs = 0,
+ .devsize = 1, /* '0' for 8-bit, '1' for 16-bit device */
+ .parts = omap3pandora_nand_partitions,
+ .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
+};
static struct gpio_led pandora_gpio_leds[] = {
{
@@ -88,6 +126,7 @@ static struct platform_device pandora_leds_gpio = {
.type = ev_type, \
.code = ev_code, \
.active_low = act_low, \
+ .debounce_interval = 4, \
.desc = "btn " descr, \
}
@@ -99,14 +138,14 @@ static struct gpio_keys_button pandora_gpio_keys[] = {
GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
- GPIO_BUTTON_LOW(109, KEY_KP1, "game 1"),
- GPIO_BUTTON_LOW(111, KEY_KP2, "game 2"),
- GPIO_BUTTON_LOW(106, KEY_KP3, "game 3"),
- GPIO_BUTTON_LOW(101, KEY_KP4, "game 4"),
- GPIO_BUTTON_LOW(102, BTN_TL, "l"),
- GPIO_BUTTON_LOW(97, BTN_TL2, "l2"),
- GPIO_BUTTON_LOW(105, BTN_TR, "r"),
- GPIO_BUTTON_LOW(107, BTN_TR2, "r2"),
+ GPIO_BUTTON_LOW(109, KEY_PAGEUP, "game 1"),
+ GPIO_BUTTON_LOW(111, KEY_END, "game 2"),
+ GPIO_BUTTON_LOW(106, KEY_PAGEDOWN, "game 3"),
+ GPIO_BUTTON_LOW(101, KEY_HOME, "game 4"),
+ GPIO_BUTTON_LOW(102, KEY_RIGHTSHIFT, "l"),
+ GPIO_BUTTON_LOW(97, KEY_KPPLUS, "l2"),
+ GPIO_BUTTON_LOW(105, KEY_RIGHTCTRL, "r"),
+ GPIO_BUTTON_LOW(107, KEY_KPMINUS, "r2"),
GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
@@ -127,14 +166,7 @@ static struct platform_device pandora_keys_gpio = {
},
};
-static void __init pandora_keys_gpio_init(void)
-{
- /* set debounce time for GPIO banks 4 and 6 */
- gpio_set_debounce(32 * 3, GPIO_DEBOUNCE_TIME);
- gpio_set_debounce(32 * 5, GPIO_DEBOUNCE_TIME);
-}
-
-static int board_keymap[] = {
+static const uint32_t board_keymap[] = {
/* row, col, code */
KEY(0, 0, KEY_9),
KEY(0, 1, KEY_8),
@@ -227,6 +259,20 @@ static struct platform_device pandora_dss_device = {
},
};
+static void pandora_wl1251_init_card(struct mmc_card *card)
+{
+ /*
+ * We have TI wl1251 attached to MMC3. Pass this information to
+ * SDIO core because it can't be probed by normal methods.
+ */
+ card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+ card->cccr.wide_bus = 1;
+ card->cis.vendor = 0x104c;
+ card->cis.device = 0x9066;
+ card->cis.blksize = 512;
+ card->cis.max_dtr = 20000000;
+}
+
static struct omap2_hsmmc_info omap3pandora_mmc[] = {
{
.mmc = 1,
@@ -248,6 +294,7 @@ static struct omap2_hsmmc_info omap3pandora_mmc[] = {
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
+ .init_card = pandora_wl1251_init_card,
},
{} /* Terminator */
};
@@ -255,12 +302,33 @@ static struct omap2_hsmmc_info omap3pandora_mmc[] = {
static int omap3pandora_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
+ int ret, gpio_32khz;
+
/* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
omap3pandora_mmc[0].gpio_cd = gpio + 0;
omap3pandora_mmc[1].gpio_cd = gpio + 1;
omap2_hsmmc_init(omap3pandora_mmc);
+ /* gpio + 13 drives 32kHz buffer for wifi module */
+ gpio_32khz = gpio + 13;
+ ret = gpio_request(gpio_32khz, "wifi 32kHz");
+ if (ret < 0) {
+ pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
+ goto fail;
+ }
+
+ ret = gpio_direction_output(gpio_32khz, 1);
+ if (ret < 0) {
+ pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
+ goto fail_direction;
+ }
+
return 0;
+
+fail_direction:
+ gpio_free(gpio_32khz);
+fail:
+ return -ENODEV;
}
static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
@@ -539,10 +607,67 @@ static void __init omap3pandora_init_irq(void)
omap_gpio_init();
}
+static void pandora_wl1251_set_power(bool enable)
+{
+ /*
+ * Keep power always on until wl1251_sdio driver learns to re-init
+ * the chip after powering it down and back up.
+ */
+}
+
+static struct wl12xx_platform_data pandora_wl1251_pdata = {
+ .set_power = pandora_wl1251_set_power,
+ .use_eeprom = true,
+};
+
+static struct platform_device pandora_wl1251_data = {
+ .name = "wl1251_data",
+ .id = -1,
+ .dev = {
+ .platform_data = &pandora_wl1251_pdata,
+ },
+};
+
+static void pandora_wl1251_init(void)
+{
+ int ret;
+
+ ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
+ if (ret < 0)
+ goto fail;
+
+ ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
+ if (ret < 0)
+ goto fail_irq;
+
+ pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
+ if (pandora_wl1251_pdata.irq < 0)
+ goto fail_irq;
+
+ ret = gpio_request(PANDORA_WIFI_NRESET_GPIO, "wl1251 nreset");
+ if (ret < 0)
+ goto fail_irq;
+
+ /* start powered so that it probes with MMC subsystem */
+ ret = gpio_direction_output(PANDORA_WIFI_NRESET_GPIO, 1);
+ if (ret < 0)
+ goto fail_nreset;
+
+ return;
+
+fail_nreset:
+ gpio_free(PANDORA_WIFI_NRESET_GPIO);
+fail_irq:
+ gpio_free(PANDORA_WIFI_IRQ_GPIO);
+fail:
+ printk(KERN_ERR "wl1251 board initialisation failed\n");
+}
+
static struct platform_device *omap3pandora_devices[] __initdata = {
&pandora_leds_gpio,
&pandora_keys_gpio,
&pandora_dss_device,
+ &pandora_wl1251_data,
};
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
@@ -575,6 +700,7 @@ static void __init omap3pandora_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap3pandora_i2c_init();
+ pandora_wl1251_init();
platform_add_devices(omap3pandora_devices,
ARRAY_SIZE(omap3pandora_devices));
omap_serial_init();
@@ -582,25 +708,19 @@ static void __init omap3pandora_init(void)
ARRAY_SIZE(omap3pandora_spi_board_info));
omap3pandora_ads7846_init();
usb_ehci_init(&ehci_pdata);
- pandora_keys_gpio_init();
usb_musb_init(&musb_board_data);
+ gpmc_nand_init(&pandora_nand_data);
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
}
-static void __init omap3pandora_map_io(void)
-{
- omap2_set_globals_343x();
- omap34xx_map_common_io();
-}
-
MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
.phys_io = 0x48000000,
.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
.boot_params = 0x80000100,
- .map_io = omap3pandora_map_io,
+ .map_io = omap3_map_io,
.reserve = omap_reserve,
.init_irq = omap3pandora_init_irq,
.init_machine = omap3pandora_init,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.