[ARM] pxa: add eXeda platform support
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index ea09918..9f15a7c 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -11,6 +11,7 @@
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/delay.h>
#include <linux/dm9000.h>
#include <linux/rtc-v3020.h>
@@ -47,18 +48,21 @@
#include "generic.h"
#include "devices.h"
-/* GPIO IRQ usage */
-#define GPIO41_ETHIRQ (41)
+/* EM-X270 specific GPIOs */
#define GPIO13_MMC_CD (13)
-#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ)
-
-/* NAND control GPIOs */
-#define GPIO11_NAND_CS (11)
-#define GPIO56_NAND_RB (56)
-
-/* Miscelaneous GPIOs */
-#define GPIO93_CAM_RESET (93)
#define GPIO95_MMC_WP (95)
+#define GPIO56_NAND_RB (56)
+
+/* eXeda specific GPIOs */
+#define GPIO114_MMC_CD (114)
+#define GPIO20_NAND_RB (20)
+#define GPIO38_SD_PWEN (38)
+
+/* common GPIOs */
+#define GPIO11_NAND_CS (11)
+#define GPIO93_CAM_RESET (93)
+#define GPIO41_ETHIRQ (41)
+#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ)
static int mmc_cd;
static int nand_rb;
@@ -190,6 +194,12 @@
GPIO95_GPIO, /* MMC Write protect */
};
+static unsigned long exeda_pin_config[] = {
+ GPIO20_GPIO, /* NAND Ready/Busy */
+ GPIO38_GPIO | MFP_LPM_DRIVE_LOW, /* SD slot power */
+ GPIO114_GPIO, /* MMC card detect */
+};
+
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource em_x270_dm9000_resource[] = {
[0] = {
@@ -500,14 +510,24 @@
goto err_irq;
}
- err = gpio_request(GPIO95_MMC_WP, "MMC WP");
- if (err) {
- dev_err(dev, "can't request MMC write protect: %d\n", err);
- goto err_gpio_wp;
+ if (machine_is_em_x270()) {
+ err = gpio_request(GPIO95_MMC_WP, "MMC WP");
+ if (err) {
+ dev_err(dev, "can't request MMC write protect: %d\n",
+ err);
+ goto err_gpio_wp;
+ }
+ gpio_direction_input(GPIO95_MMC_WP);
+ } else {
+ err = gpio_request(GPIO38_SD_PWEN, "sdio power");
+ if (err) {
+ dev_err(dev, "can't request MMC power control : %d\n",
+ err);
+ goto err_gpio_wp;
+ }
+ gpio_direction_output(GPIO38_SD_PWEN, 1);
}
- gpio_direction_input(GPIO95_MMC_WP);
-
return 0;
err_gpio_wp:
@@ -535,6 +555,12 @@
static void em_x270_mci_exit(struct device *dev, void *data)
{
free_irq(gpio_to_irq(mmc_cd), data);
+ regulator_put(em_x270_sdio_ldo);
+
+ if (machine_is_em_x270())
+ gpio_free(GPIO95_MMC_WP);
+ else
+ gpio_free(GPIO38_SD_PWEN);
}
static int em_x270_mci_get_ro(struct device *dev)
@@ -549,12 +575,14 @@
MMC_VDD_30_31|MMC_VDD_31_32,
.init = em_x270_mci_init,
.setpower = em_x270_mci_setpower,
- .get_ro = em_x270_mci_get_ro,
.exit = em_x270_mci_exit,
};
static void __init em_x270_init_mmc(void)
{
+ if (machine_is_em_x270())
+ em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
+
em_x270_mci_platform_data.detect_delay = msecs_to_jiffies(250);
pxa_set_mci_info(&em_x270_mci_platform_data);
}
@@ -651,23 +679,76 @@
#endif
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
-static unsigned int em_x270_matrix_keys[] = {
+static unsigned int em_x270_module_matrix_keys[] = {
KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
};
-struct pxa27x_keypad_platform_data em_x270_keypad_info = {
+struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
/* code map for the matrix keys */
.matrix_key_rows = 3,
.matrix_key_cols = 3,
- .matrix_key_map = em_x270_matrix_keys,
- .matrix_key_map_size = ARRAY_SIZE(em_x270_matrix_keys),
+ .matrix_key_map = em_x270_module_matrix_keys,
+ .matrix_key_map_size = ARRAY_SIZE(em_x270_module_matrix_keys),
+};
+
+static unsigned int em_x270_exeda_matrix_keys[] = {
+ KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
+ KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
+ KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
+ KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
+
+ KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
+ KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
+ KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
+ KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
+
+ KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
+ KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
+ KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
+ KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
+
+ KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
+ KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
+ KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
+ KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
+
+ KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
+ KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
+ KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
+ KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
+
+ KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
+ KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
+ KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
+ KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
+
+ KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
+ KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
+ KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
+ KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
+
+ KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
+ KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
+ KEY(7, 4, 0), KEY(7, 5, 0),
+ KEY(7, 6, 0), KEY(7, 7, 0),
+};
+
+struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
+ /* code map for the matrix keys */
+ .matrix_key_rows = 8,
+ .matrix_key_cols = 8,
+ .matrix_key_map = em_x270_exeda_matrix_keys,
+ .matrix_key_map_size = ARRAY_SIZE(em_x270_exeda_matrix_keys),
};
static void __init em_x270_init_keypad(void)
{
- pxa_set_keypad_info(&em_x270_keypad_info);
+ if (machine_is_em_x270())
+ pxa_set_keypad_info(&em_x270_module_keypad_info);
+ else
+ pxa_set_keypad_info(&em_x270_exeda_keypad_info);
}
#else
static inline void em_x270_init_keypad(void) {}
@@ -921,6 +1002,7 @@
static void __init em_x270_module_init(void)
{
+ pr_info("%s\n", __func__);
pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
mmc_cd = GPIO13_MMC_CD;
@@ -928,11 +1010,26 @@
dm9000_flags = DM9000_PLATF_32BITONLY;
}
+static void __init em_x270_exeda_init(void)
+{
+ pr_info("%s\n", __func__);
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
+
+ mmc_cd = GPIO114_MMC_CD;
+ nand_rb = GPIO20_NAND_RB;
+ dm9000_flags = DM9000_PLATF_16BITONLY;
+}
+
static void __init em_x270_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
- em_x270_module_init();
+ if (machine_is_em_x270())
+ em_x270_module_init();
+ else if (machine_is_exeda())
+ em_x270_exeda_init();
+ else
+ panic("Unsupported machine: %d\n", machine_arch_type);
em_x270_init_da9030();
em_x270_init_dm9000();
@@ -958,3 +1055,13 @@
.timer = &pxa_timer,
.init_machine = em_x270_init,
MACHINE_END
+
+MACHINE_START(EXEDA, "Compulab eXeda")
+ .boot_params = 0xa0000100,
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa27x_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = em_x270_init,
+MACHINE_END