[PATCH 8/8] arm: omap: add minimal support for RM-680

Aaro Koskinen
2010-12-09T16:38:49Z

Add minimal support for Nokia RM-680 board.

Tested with omap2plus_defconfig.

Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
---
arch/arm/mach-omap2/Kconfig | 6 +
arch/arm/mach-omap2/Makefile | 3 +
arch/arm/mach-omap2/board-rm680.c | 187 ++++++++++++++++++++++++++
arch/arm/plat-omap/include/plat/uncompress.h | 1 +
4 files changed, 197 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-rm680.c

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b67b1a9..9c317d6 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -221,6 +221,12 @@ config MACH_NOKIA_N8X0
select MACH_NOKIA_N810
select MACH_NOKIA_N810_WIMAX

+config MACH_NOKIA_RM680
+ bool "Nokia RM-680 board"
+ depends on ARCH_OMAP3
+ default y
+ select OMAP_PACKAGE_CBB
+
config MACH_NOKIA_RX51
bool "Nokia RX-51 board"
depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 3a71d19..25bc945 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -140,6 +140,9 @@ obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
hsmmc.o \
board-flash.o
obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o
+obj-$(CONFIG_MACH_NOKIA_RM680) += board-rm680.o \
+ sdram-nokia.o \
+ hsmmc.o
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
sdram-nokia.o \
board-rx51-peripherals.o \
diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c
new file mode 100644
index 0000000..2966314
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -0,0 +1,187 @@
+/*
+ * Board support file for Nokia RM-680.
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/i2c/twl.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/consumer.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <plat/i2c.h>
+#include <plat/mmc.h>
+#include <plat/usb.h>
+#include <plat/gpmc.h>
+#include <plat/common.h>
+#include <plat/onenand.h>
+
+#include "mux.h"
+#include "hsmmc.h"
+#include "sdram-nokia.h"
+
+static struct regulator_consumer_supply rm680_vemmc_consumers[] = {
+ REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1"),
+};
+
+/* Fixed regulator for internal eMMC */
+static struct regulator_init_data rm680_vemmc = {
+ .constraints = {
+ .name = "rm680_vemmc",
+ .min_uV = 2900000,
+ .max_uV = 2900000,
+ .apply_uV = 1,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS
+ | REGULATOR_CHANGE_MODE,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers),
+ .consumer_supplies = rm680_vemmc_consumers,
+};
+
+static struct fixed_voltage_config rm680_vemmc_config = {
+ .supply_name = "VEMMC",
+ .microvolts = 2900000,
+ .gpio = 157,
+ .startup_delay = 150,
+ .enable_high = 1,
+ .init_data = &rm680_vemmc,
+};
+
+static struct platform_device rm680_vemmc_device = {
+ .name = "reg-fixed-voltage",
+ .dev = {
+ .platform_data = &rm680_vemmc_config,
+ },
+};
+
+static struct platform_device *rm680_peripherals_devices[] __initdata = {
+ &rm680_vemmc_device,
+};
+
+/* TWL */
+static struct twl4030_gpio_platform_data rm680_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .pullups = BIT(0),
+ .pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15),
+};
+
+static struct twl4030_usb_data rm680_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_platform_data rm680_twl_data = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+ .gpio = &rm680_gpio_data,
+ .usb = &rm680_usb_data,
+ /* add rest of the children here */
+};
+
+static struct i2c_board_info __initdata rm680_twl_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("twl5031", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &rm680_twl_data,
+ },
+};
+
+static void __init rm680_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2900, rm680_twl_i2c_board_info,
+ ARRAY_SIZE(rm680_twl_i2c_board_info));
+ omap_register_i2c_bus(2, 400, NULL, 0);
+ omap_register_i2c_bus(3, 400, NULL, 0);
+}
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+static struct omap_onenand_platform_data board_onenand_data[] = {
+ {
+ .gpio_irq = 65,
+ .flags = ONENAND_SYNC_READWRITE,
+ }
+};
+#endif
+
+/* eMMC */
+static struct omap2_hsmmc_info mmc[] __initdata = {
+ {
+ .name = "internal",
+ .mmc = 2,
+ .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ { /* Terminator */ }
+};
+
+static void __init rm680_peripherals_init(void)
+{
+ platform_add_devices(rm680_peripherals_devices,
+ ARRAY_SIZE(rm680_peripherals_devices));
+ rm680_i2c_init();
+ gpmc_onenand_init(board_onenand_data);
+ omap2_hsmmc_init(mmc);
+}
+
+static void __init rm680_init_irq(void)
+{
+ struct omap_sdrc_params *sdrc_params;
+
+ sdrc_params = nokia_get_sdram_timings();
+ omap2_init_common_hw(sdrc_params, sdrc_params);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+#ifdef CONFIG_OMAP_MUX
+static struct omap_board_mux board_mux[] __initdata = {
+ { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+#endif
+
+static struct omap_musb_board_data rm680_musb_data = {
+ .interface_type = MUSB_INTERFACE_ULPI,
+ .mode = MUSB_PERIPHERAL,
+ .power = 100,
+};
+
+static void __init rm680_init(void)
+{
+ omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+ omap_serial_init();
+ usb_musb_init(&rm680_musb_data);
+ rm680_peripherals_init();
+}
+
+static void __init rm680_map_io(void)
+{
+ omap2_set_globals_3xxx();
+ omap34xx_map_common_io();
+}
+
+MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
+ .boot_params = 0x80000100,
+ .map_io = rm680_map_io,
+ .reserve = omap_reserve,
+ .init_irq = rm680_init_irq,
+ .init_machine = rm680_init,
+ .timer = &omap_timer,
+MACHINE_END
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index 229fbf2..7bbc074 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -148,6 +148,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
DEBUG_LL_OMAP3(3, craneboard);
DEBUG_LL_OMAP3(3, igep0020);
DEBUG_LL_OMAP3(3, igep0030);
+ DEBUG_LL_OMAP3(3, nokia_rm680);
DEBUG_LL_OMAP3(3, nokia_rx51);
DEBUG_LL_OMAP3(3, omap3517evm);
DEBUG_LL_OMAP3(3, omap3_beagle);
--
1.5.6.5