* published by the Free Software Foundation.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
+#include <linux/workqueue.h>
#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/input.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/mach/map.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/gpioexpander.h>
#include <asm/arch/irqs.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
+#include <asm/arch/irda.h>
#include <asm/arch/usb.h>
+#include <asm/arch/keypad.h>
+#include <asm/arch/dma.h>
#include <asm/arch/common.h>
extern int omap_gpio_init(void);
-static struct mtd_partition h3_partitions[] = {
+static int h3_keymap[] = {
+ KEY(0, 0, KEY_LEFT),
+ KEY(0, 1, KEY_RIGHT),
+ KEY(0, 2, KEY_3),
+ KEY(0, 3, KEY_F10),
+ KEY(0, 4, KEY_F5),
+ KEY(0, 5, KEY_9),
+ KEY(1, 0, KEY_DOWN),
+ KEY(1, 1, KEY_UP),
+ KEY(1, 2, KEY_2),
+ KEY(1, 3, KEY_F9),
+ KEY(1, 4, KEY_F7),
+ KEY(1, 5, KEY_0),
+ KEY(2, 0, KEY_ENTER),
+ KEY(2, 1, KEY_6),
+ KEY(2, 2, KEY_1),
+ KEY(2, 3, KEY_F2),
+ KEY(2, 4, KEY_F6),
+ KEY(2, 5, KEY_HOME),
+ KEY(3, 0, KEY_8),
+ KEY(3, 1, KEY_5),
+ KEY(3, 2, KEY_F12),
+ KEY(3, 3, KEY_F3),
+ KEY(3, 4, KEY_F8),
+ KEY(3, 5, KEY_END),
+ KEY(4, 0, KEY_7),
+ KEY(4, 1, KEY_4),
+ KEY(4, 2, KEY_F11),
+ KEY(4, 3, KEY_F1),
+ KEY(4, 4, KEY_F4),
+ KEY(4, 5, KEY_ESC),
+ KEY(5, 0, KEY_F13),
+ KEY(5, 1, KEY_F14),
+ KEY(5, 2, KEY_F15),
+ KEY(5, 3, KEY_F16),
+ KEY(5, 4, KEY_SLEEP),
+ 0
+};
+
+
+static struct mtd_partition nor_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
}
};
-static struct flash_platform_data h3_flash_data = {
+static struct flash_platform_data nor_data = {
.map_name = "cfi_probe",
.width = 2,
- .parts = h3_partitions,
- .nr_parts = ARRAY_SIZE(h3_partitions),
+ .parts = nor_partitions,
+ .nr_parts = ARRAY_SIZE(nor_partitions),
};
-static struct resource h3_flash_resource = {
+static struct resource nor_resource = {
/* This is on CS3, wherever it's mapped */
.flags = IORESOURCE_MEM,
};
-static struct platform_device flash_device = {
+static struct platform_device nor_device = {
.name = "omapflash",
.id = 0,
.dev = {
- .platform_data = &h3_flash_data,
+ .platform_data = &nor_data,
+ },
+ .num_resources = 1,
+ .resource = &nor_resource,
+};
+
+static struct mtd_partition nand_partitions[] = {
+#if 0
+ /* REVISIT: enable these partitions if you make NAND BOOT work */
+ {
+ .name = "xloader",
+ .offset = 0,
+ .size = 64 * 1024,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "bootloader",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 256 * 1024,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 192 * 1024,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 2 * SZ_1M,
+ },
+#endif
+ {
+ .name = "filesystem",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ },
+};
+
+/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
+static struct nand_platform_data nand_data = {
+ .options = NAND_SAMSUNG_LP_OPTIONS,
+ .parts = nand_partitions,
+ .nr_parts = ARRAY_SIZE(nand_partitions),
+};
+
+static struct resource nand_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device nand_device = {
+ .name = "omapnand",
+ .id = 0,
+ .dev = {
+ .platform_data = &nand_data,
},
.num_resources = 1,
- .resource = &h3_flash_resource,
+ .resource = &nand_resource,
};
static struct resource smc91x_resources[] = {
.resource = intlat_resources,
};
+static struct resource h3_kp_resources[] = {
+ [0] = {
+ .start = INT_KEYBOARD,
+ .end = INT_KEYBOARD,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct omap_kp_platform_data h3_kp_data = {
+ .rows = 8,
+ .cols = 8,
+ .keymap = h3_keymap,
+ .keymapsize = ARRAY_SIZE(h3_keymap),
+ .rep = 1,
+ .delay = 9,
+ .dbounce = 1,
+};
+
+static struct platform_device h3_kp_device = {
+ .name = "omap-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &h3_kp_data,
+ },
+ .num_resources = ARRAY_SIZE(h3_kp_resources),
+ .resource = h3_kp_resources,
+};
+
+
+/* Select between the IrDA and aGPS module
+ */
+static int h3_select_irda(struct device *dev, int state)
+{
+ unsigned char expa;
+ int err = 0;
+
+ if ((err = read_gpio_expa(&expa, 0x26))) {
+ printk(KERN_ERR "Error reading from I/O EXPANDER \n");
+ return err;
+ }
+
+ /* 'P6' enable/disable IRDA_TX and IRDA_RX */
+ if (state & IR_SEL) { /* IrDA */
+ if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
+ printk(KERN_ERR "Error writing to I/O EXPANDER \n");
+ return err;
+ }
+ } else {
+ if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
+ printk(KERN_ERR "Error writing to I/O EXPANDER \n");
+ return err;
+ }
+ }
+ return err;
+}
+
+static void set_trans_mode(void *data)
+{
+ int *mode = data;
+ unsigned char expa;
+ int err = 0;
+
+ if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
+ printk(KERN_ERR "Error reading from I/O expander\n");
+ }
+
+ expa &= ~0x03;
+
+ if (*mode & IR_SIRMODE) {
+ expa |= 0x01;
+ } else { /* MIR/FIR */
+ expa |= 0x03;
+ }
+
+ if ((err = write_gpio_expa(expa, 0x27)) != 0) {
+ printk(KERN_ERR "Error writing to I/O expander\n");
+ }
+}
+
+static int h3_transceiver_mode(struct device *dev, int mode)
+{
+ struct omap_irda_config *irda_config = dev->platform_data;
+
+ cancel_delayed_work(&irda_config->gpio_expa);
+ PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
+ schedule_work(&irda_config->gpio_expa);
+
+ return 0;
+}
+
+static struct omap_irda_config h3_irda_data = {
+ .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
+ .transceiver_mode = h3_transceiver_mode,
+ .select_irda = h3_select_irda,
+ .rx_channel = OMAP_DMA_UART3_RX,
+ .tx_channel = OMAP_DMA_UART3_TX,
+ .dest_start = UART3_THR,
+ .src_start = UART3_RHR,
+ .tx_trigger = 0,
+ .rx_trigger = 0,
+};
+
+static struct resource h3_irda_resources[] = {
+ [0] = {
+ .start = INT_UART3,
+ .end = INT_UART3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device h3_irda_device = {
+ .name = "omapirda",
+ .id = 0,
+ .dev = {
+ .platform_data = &h3_irda_data,
+ },
+ .num_resources = ARRAY_SIZE(h3_irda_resources),
+ .resource = h3_irda_resources,
+};
+
+static struct platform_device h3_lcd_device = {
+ .name = "lcd_h3",
+ .id = -1,
+};
+
static struct platform_device *devices[] __initdata = {
- &flash_device,
+ &nor_device,
+ &nand_device,
&smc91x_device,
&intlat_device,
+ &h3_irda_device,
+ &h3_kp_device,
+ &h3_lcd_device,
};
static struct omap_usb_config h3_usb_config __initdata = {
};
static struct omap_lcd_config h3_lcd_config __initdata = {
- .panel_name = "h3",
.ctrl_name = "internal",
};
{ OMAP_TAG_LCD, &h3_lcd_config },
};
+#define H3_NAND_RB_GPIO_PIN 10
+
+static int nand_dev_ready(struct nand_platform_data *data)
+{
+ return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
+}
+
static void __init h3_init(void)
{
- h3_flash_resource.end = h3_flash_resource.start = omap_cs3_phys();
- h3_flash_resource.end += OMAP_CS3_SIZE - 1;
- (void) platform_add_devices(devices, ARRAY_SIZE(devices));
+ /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
+ * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
+ * notice whether a NAND chip is enabled at probe time.
+ *
+ * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
+ * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
+ * to avoid probing every possible flash configuration...
+ */
+ nor_resource.end = nor_resource.start = omap_cs3_phys();
+ nor_resource.end += SZ_32M - 1;
+
+ nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
+ nand_resource.end += SZ_4K - 1;
+ if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
+ nand_data.dev_ready = nand_dev_ready;
+
+ /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
+ /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
+ omap_cfg_reg(V2_1710_GPIO10);
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
omap_board_config = h3_config;
omap_board_config_size = ARRAY_SIZE(h3_config);
omap_serial_init();
git.openpandora.org / pandora-kernel.git / blobdiff