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Diffstat (limited to 'arch/arm/mach-omap2/board-n8x0.c')
-rw-r--r--arch/arm/mach-omap2/board-n8x0.c234
1 files changed, 49 insertions, 185 deletions
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 827d15009a86..aead77a4bc6d 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -21,7 +21,6 @@
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
-#include <linux/platform_data/i2c-cbus-gpio.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/mfd/menelaus.h>
@@ -32,8 +31,7 @@
#include "common.h"
#include "mmc.h"
-
-#include "mux.h"
+#include "soc.h"
#include "gpmc-onenand.h"
#define TUSB6010_ASYNC_CS 1
@@ -42,44 +40,30 @@
#define TUSB6010_GPIO_ENABLE 0
#define TUSB6010_DMACHAN 0x3f
-#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
-static struct i2c_cbus_platform_data n8x0_cbus_data = {
- .clk_gpio = 66,
- .dat_gpio = 65,
- .sel_gpio = 64,
-};
+#define NOKIA_N810_WIMAX (1 << 2)
+#define NOKIA_N810 (1 << 1)
+#define NOKIA_N800 (1 << 0)
-static struct platform_device n8x0_cbus_device = {
- .name = "i2c-cbus-gpio",
- .id = 3,
- .dev = {
- .platform_data = &n8x0_cbus_data,
- },
-};
+static u32 board_caps;
-static struct i2c_board_info n8x0_i2c_board_info_3[] __initdata = {
- {
- I2C_BOARD_INFO("retu-mfd", 0x01),
- },
-};
+#define board_is_n800() (board_caps & NOKIA_N800)
+#define board_is_n810() (board_caps & NOKIA_N810)
+#define board_is_n810_wimax() (board_caps & NOKIA_N810_WIMAX)
-static void __init n8x0_cbus_init(void)
+static void board_check_revision(void)
{
- const int retu_irq_gpio = 108;
+ if (of_have_populated_dt()) {
+ if (of_machine_is_compatible("nokia,n800"))
+ board_caps = NOKIA_N800;
+ else if (of_machine_is_compatible("nokia,n810"))
+ board_caps = NOKIA_N810;
+ else if (of_machine_is_compatible("nokia,n810-wimax"))
+ board_caps = NOKIA_N810_WIMAX;
+ }
- if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
- return;
- irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
- n8x0_i2c_board_info_3[0].irq = gpio_to_irq(retu_irq_gpio);
- i2c_register_board_info(3, n8x0_i2c_board_info_3,
- ARRAY_SIZE(n8x0_i2c_board_info_3));
- platform_device_register(&n8x0_cbus_device);
-}
-#else /* CONFIG_I2C_CBUS_GPIO */
-static void __init n8x0_cbus_init(void)
-{
+ if (!board_caps)
+ pr_err("Unknown board\n");
}
-#endif /* CONFIG_I2C_CBUS_GPIO */
#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
/*
@@ -178,49 +162,6 @@ static struct spi_board_info n800_spi_board_info[] __initdata = {
},
};
-#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
- defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
-
-static struct mtd_partition onenand_partitions[] = {
- {
- .name = "bootloader",
- .offset = 0,
- .size = 0x20000,
- .mask_flags = MTD_WRITEABLE, /* Force read-only */
- },
- {
- .name = "config",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x60000,
- },
- {
- .name = "kernel",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x200000,
- },
- {
- .name = "initfs",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x400000,
- },
- {
- .name = "rootfs",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-static struct omap_onenand_platform_data board_onenand_data[] = {
- {
- .cs = 0,
- .gpio_irq = 26,
- .parts = onenand_partitions,
- .nr_parts = ARRAY_SIZE(onenand_partitions),
- .flags = ONENAND_SYNC_READ,
- }
-};
-#endif
-
#if defined(CONFIG_MENELAUS) && \
(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
@@ -342,7 +283,7 @@ static void n810_set_power_emmc(struct device *dev,
static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
- if (machine_is_nokia_n800() || slot == 0)
+ if (board_is_n800() || slot == 0)
return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
n810_set_power_emmc(dev, power_on);
@@ -388,7 +329,7 @@ static void n8x0_mmc_callback(void *data, u8 card_mask)
{
int bit, *openp, index;
- if (machine_is_nokia_n800()) {
+ if (board_is_n800()) {
bit = 1 << 1;
openp = &slot2_cover_open;
index = 1;
@@ -421,7 +362,7 @@ static int n8x0_mmc_late_init(struct device *dev)
if (r < 0)
return r;
- if (machine_is_nokia_n800())
+ if (board_is_n800())
vs2sel = 0;
else
vs2sel = 2;
@@ -444,7 +385,7 @@ static int n8x0_mmc_late_init(struct device *dev)
if (r < 0)
return r;
- if (machine_is_nokia_n800()) {
+ if (board_is_n800()) {
bit = 1 << 1;
openp = &slot2_cover_open;
} else {
@@ -471,7 +412,7 @@ static void n8x0_mmc_shutdown(struct device *dev)
{
int vs2sel;
- if (machine_is_nokia_n800())
+ if (board_is_n800())
vs2sel = 0;
else
vs2sel = 2;
@@ -486,7 +427,7 @@ static void n8x0_mmc_cleanup(struct device *dev)
gpio_free(N8X0_SLOT_SWITCH_GPIO);
- if (machine_is_nokia_n810()) {
+ if (board_is_n810()) {
gpio_free(N810_EMMC_VSD_GPIO);
gpio_free(N810_EMMC_VIO_GPIO);
}
@@ -497,7 +438,7 @@ static void n8x0_mmc_cleanup(struct device *dev)
* MMC controller2 is not in use.
*/
static struct omap_mmc_platform_data mmc1_data = {
- .nr_slots = 2,
+ .nr_slots = 0,
.switch_slot = n8x0_mmc_switch_slot,
.init = n8x0_mmc_late_init,
.cleanup = n8x0_mmc_cleanup,
@@ -537,7 +478,7 @@ static void __init n8x0_mmc_init(void)
{
int err;
- if (machine_is_nokia_n810()) {
+ if (board_is_n810()) {
mmc1_data.slots[0].name = "external";
/*
@@ -555,7 +496,7 @@ static void __init n8x0_mmc_init(void)
if (err)
return;
- if (machine_is_nokia_n810()) {
+ if (board_is_n810()) {
err = gpio_request_array(n810_emmc_gpios,
ARRAY_SIZE(n810_emmc_gpios));
if (err) {
@@ -564,11 +505,11 @@ static void __init n8x0_mmc_init(void)
}
}
+ mmc1_data.nr_slots = 2;
mmc_data[0] = &mmc1_data;
- omap242x_init_mmc(mmc_data);
}
#else
-
+static struct omap_mmc_platform_data mmc1_data;
void __init n8x0_mmc_init(void)
{
}
@@ -650,109 +591,32 @@ static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
},
};
-#ifdef CONFIG_OMAP_MUX
-static struct omap_board_mux board_mux[] __initdata = {
- /* I2S codec port pins for McBSP block */
- OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
- OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
- OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
- OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
- { .reg_offset = OMAP_MUX_TERMINATOR },
-};
-
-static struct omap_device_pad serial2_pads[] __initdata = {
- {
- .name = "uart3_rx_irrx.uart3_rx_irrx",
- .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
- .enable = OMAP_MUX_MODE0,
- .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */
- },
-};
-
-static inline void board_serial_init(void)
+static int __init n8x0_late_initcall(void)
{
- struct omap_board_data bdata;
-
- bdata.flags = 0;
- bdata.pads = NULL;
- bdata.pads_cnt = 0;
-
- bdata.id = 0;
- omap_serial_init_port(&bdata, NULL);
-
- bdata.id = 1;
- omap_serial_init_port(&bdata, NULL);
-
- bdata.id = 2;
- bdata.pads = serial2_pads;
- bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
- omap_serial_init_port(&bdata, NULL);
-}
+ if (!board_caps)
+ return -ENODEV;
-#else
+ n8x0_mmc_init();
+ n8x0_usb_init();
-static inline void board_serial_init(void)
-{
- omap_serial_init();
+ return 0;
}
+omap_late_initcall(n8x0_late_initcall);
-#endif
-
-static void __init n8x0_init_machine(void)
+/*
+ * Legacy init pdata init for n8x0. Note that we want to follow the
+ * I2C bus numbering starting at 0 for device tree like other omaps.
+ */
+void * __init n8x0_legacy_init(void)
{
- omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
- /* FIXME: add n810 spi devices */
+ board_check_revision();
spi_register_board_info(n800_spi_board_info,
ARRAY_SIZE(n800_spi_board_info));
- omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
- ARRAY_SIZE(n8x0_i2c_board_info_1));
- omap_register_i2c_bus(2, 400, NULL, 0);
- if (machine_is_nokia_n810())
- i2c_register_board_info(2, n810_i2c_board_info_2,
+ i2c_register_board_info(0, n8x0_i2c_board_info_1,
+ ARRAY_SIZE(n8x0_i2c_board_info_1));
+ if (board_is_n810())
+ i2c_register_board_info(1, n810_i2c_board_info_2,
ARRAY_SIZE(n810_i2c_board_info_2));
- board_serial_init();
- omap_sdrc_init(NULL, NULL);
- gpmc_onenand_init(board_onenand_data);
- n8x0_mmc_init();
- n8x0_usb_init();
- n8x0_cbus_init();
-}
-MACHINE_START(NOKIA_N800, "Nokia N800")
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap242x_map_io,
- .init_early = omap2420_init_early,
- .init_irq = omap2_init_irq,
- .handle_irq = omap2_intc_handle_irq,
- .init_machine = n8x0_init_machine,
- .init_late = omap2420_init_late,
- .init_time = omap2_sync32k_timer_init,
- .restart = omap2xxx_restart,
-MACHINE_END
-
-MACHINE_START(NOKIA_N810, "Nokia N810")
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap242x_map_io,
- .init_early = omap2420_init_early,
- .init_irq = omap2_init_irq,
- .handle_irq = omap2_intc_handle_irq,
- .init_machine = n8x0_init_machine,
- .init_late = omap2420_init_late,
- .init_time = omap2_sync32k_timer_init,
- .restart = omap2xxx_restart,
-MACHINE_END
-
-MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap242x_map_io,
- .init_early = omap2420_init_early,
- .init_irq = omap2_init_irq,
- .handle_irq = omap2_intc_handle_irq,
- .init_machine = n8x0_init_machine,
- .init_late = omap2420_init_late,
- .init_time = omap2_sync32k_timer_init,
- .restart = omap2xxx_restart,
-MACHINE_END
+ return &mmc1_data;
+}
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