ARM: OMAP: Palm Tungsten|T support

This patch adds board file and necessary includes for Palm Tungsten|T.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

5 files changed, 394 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 1085e12ce881..7386dc354945 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -98,6 +98,15 @@ config MACH_OMAP_PALMZ71
 	 http://hackndev.com/palm/z71 for more informations.
 	 Say Y here if you have such a PDA, say N otherwise.
 
+config MACH_OMAP_PALMTT
+	bool "Palm Tungsten|T"
+	depends on ARCH_OMAP1 && ARCH_OMAP15XX
+	help
+	  Support for the Palm Tungsten|T PDA. To boot the kernel, you'll
+	  need a PalmOS compatible bootloader (Garux); check out
+	  http://www.hackndev.com/palm/tt/ for more information.
+	  Say Y here if you have this PDA model, say N otherwise.
+
 config MACH_NOKIA770
 	bool "Nokia 770"
 	depends on ARCH_OMAP1 && ARCH_OMAP16XX
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 76cbc6867d7e..3a7cd2890ec8 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_MACH_OMAP_H3)		+= board-h3.o
 obj-$(CONFIG_MACH_VOICEBLUE)		+= board-voiceblue.o
 obj-$(CONFIG_MACH_OMAP_PALMTE)		+= board-palmte.o
 obj-$(CONFIG_MACH_OMAP_PALMZ71)		+= board-palmz71.o
+obj-$(CONFIG_MACH_OMAP_PALMTT)		+= board-palmtt.o
 obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o
 obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o
 
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c
new file mode 100644
index 000000000000..3c9a41a3d820
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmtt.c
@@ -0,0 +1,357 @@
+/*
+ * linux/arch/arm/mach-omap1/board-palmtt.c
+ *
+ * Modified from board-palmtt2.c
+ *
+ * Modified and amended for Palm Tungsten|T
+ * by Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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/delay.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/notifier.h>
+#include <linux/clk.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/leds.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/led.h>
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/keypad.h>
+#include <asm/arch/common.h>
+#include <asm/arch/omap-alsa.h>
+
+#include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+static int palmtt_keymap[] = {
+	KEY(0, 0, KEY_ESC),
+	KEY(0, 1, KEY_SPACE),
+	KEY(0, 2, KEY_LEFTCTRL),
+	KEY(0, 3, KEY_TAB),
+	KEY(0, 4, KEY_ENTER),
+	KEY(1, 0, KEY_LEFT),
+	KEY(1, 1, KEY_DOWN),
+	KEY(1, 2, KEY_UP),
+	KEY(1, 3, KEY_RIGHT),
+	KEY(2, 0, KEY_SLEEP),
+	KEY(2, 4, KEY_Y),
+	0
+};
+
+static struct mtd_partition palmtt_partitions[] = {
+	{
+		.name		= "write8k",
+		.offset		= 0,
+		.size		= SZ_8K,
+		.mask_flags	= 0,
+	},
+	{
+		.name		= "PalmOS-BootLoader(ro)",
+		.offset		= SZ_8K,
+		.size		= 7 * SZ_8K,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "u-boot",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * SZ_8K,
+		.mask_flags	= 0,
+	},
+	{
+		.name		= "PalmOS-FS(ro)",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "u-boot(rez)",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_128K,
+		.mask_flags	= 0
+	},
+	{
+		.name		= "empty",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= 0
+	}
+};
+
+static struct flash_platform_data palmtt_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+	.parts		= palmtt_partitions,
+	.nr_parts	= ARRAY_SIZE(palmtt_partitions),
+};
+
+static struct resource palmtt_flash_resource = {
+	.start		= OMAP_CS0_PHYS,
+	.end		= OMAP_CS0_PHYS + SZ_8M - 1,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device palmtt_flash_device = {
+	.name		= "omapflash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &palmtt_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &palmtt_flash_resource,
+};
+
+#define DEFAULT_BITPERSAMPLE 16
+
+static struct omap_mcbsp_reg_cfg mcbsp_regs = {
+	.spcr2		= FREE | FRST | GRST | XRST | XINTM(3),
+	.spcr1		= RINTM(3) | RRST,
+	.rcr2		= RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
+				RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
+	.rcr1		= RFRLEN1(OMAP_MCBSP_WORD_8) |
+				RWDLEN1(OMAP_MCBSP_WORD_16),
+	.xcr2		= XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
+				XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
+	.xcr1		= XFRLEN1(OMAP_MCBSP_WORD_8) |
+				XWDLEN1(OMAP_MCBSP_WORD_16),
+	.srgr1		= FWID(DEFAULT_BITPERSAMPLE - 1),
+	.srgr2		= GSYNC | CLKSP | FSGM |
+				FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
+	.pcr0		= CLKXP | CLKRP,	/* mcbsp: slave */
+};
+
+static struct omap_alsa_codec_config alsa_config = {
+	.name			= "PalmTT AIC23",
+	.mcbsp_regs_alsa	= &mcbsp_regs,
+	.codec_configure_dev	= NULL, // aic23_configure,
+	.codec_set_samplerate	= NULL, // aic23_set_samplerate,
+	.codec_clock_setup	= NULL, // aic23_clock_setup,
+	.codec_clock_on		= NULL, // aic23_clock_on,
+	.codec_clock_off	= NULL, // aic23_clock_off,
+	.get_default_samplerate	= NULL, // aic23_get_default_samplerate,
+};
+
+static struct platform_device palmtt_mcbsp1_device = {
+	.name	= "omap_alsa_mcbsp",
+	.id	= 1,
+	.dev	= {
+		.platform_data	= &alsa_config,
+	},
+};
+
+static struct resource palmtt_kp_resources[] = {
+	[0] = {
+		.start	= INT_KEYBOARD,
+		.end	= INT_KEYBOARD,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct omap_kp_platform_data palmtt_kp_data = {
+	.rows	= 6,
+	.cols	= 3,
+	.keymap = palmtt_keymap,
+};
+
+static struct platform_device palmtt_kp_device = {
+	.name		= "omap-keypad",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &palmtt_kp_data,
+	},
+	.num_resources	= ARRAY_SIZE(palmtt_kp_resources),
+	.resource	= palmtt_kp_resources,
+};
+
+static struct platform_device palmtt_lcd_device = {
+	.name		= "lcd_palmtt",
+	.id		= -1,
+};
+static struct omap_irda_config palmtt_irda_config = {
+	.transceiver_cap	= IR_SIRMODE,
+	.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 palmtt_irda_resources[] = {
+	[0]	= {
+		.start	= INT_UART3,
+		.end	= INT_UART3,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device palmtt_irda_device = {
+	.name		= "omapirda",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &palmtt_irda_config,
+	},
+	.num_resources	= ARRAY_SIZE(palmtt_irda_resources),
+	.resource	= palmtt_irda_resources,
+};
+
+static struct platform_device palmtt_spi_device = {
+	.name		= "spi_palmtt",
+	.id		= -1,
+};
+
+static struct omap_backlight_config palmtt_backlight_config = {
+	.default_intensity	= 0xa0,
+};
+
+static struct platform_device palmtt_backlight_device = {
+	.name		= "omap-bl",
+	.id		= -1,
+	.dev		= {
+		.platform_data= &palmtt_backlight_config,
+	},
+};
+
+static struct omap_led_config palmtt_led_config[] = {
+	{
+		.cdev	= {
+			.name	= "palmtt:led0",
+		},
+		.gpio	= PALMTT_LED_GPIO,
+	},
+};
+
+static struct omap_led_platform_data palmtt_led_data = {
+	.nr_leds	= ARRAY_SIZE(palmtt_led_config),
+	.leds		= palmtt_led_config,
+};
+
+static struct platform_device palmtt_led_device = {
+	.name	= "omap-led",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &palmtt_led_data,
+	},
+};
+
+static struct platform_device *palmtt_devices[] __initdata = {
+	&palmtt_flash_device,
+	&palmtt_mcbsp1_device,
+	&palmtt_kp_device,
+	&palmtt_lcd_device,
+	&palmtt_irda_device,
+	&palmtt_spi_device,
+	&palmtt_backlight_device,
+	&palmtt_led_device,
+};
+
+static int palmtt_get_pendown_state(void)
+{
+	return !omap_get_gpio_datain(6);
+}
+
+static const struct ads7846_platform_data palmtt_ts_info = {
+	.model			= 7846,
+	.vref_delay_usecs	= 100,	/* internal, no capacitor */
+	.x_plate_ohms		= 419,
+	.y_plate_ohms		= 486,
+	.get_pendown_state	= palmtt_get_pendown_state,
+};
+
+static struct spi_board_info __initdata palmtt_boardinfo[] = {
+	{
+		/* MicroWire (bus 2) CS0 has an ads7846e */
+		.modalias	= "ads7846",
+		.platform_data	= &palmtt_ts_info,
+		.irq		= OMAP_GPIO_IRQ(6),
+		.max_speed_hz	= 120000	/* max sample rate at 3V */
+					* 26	/* command + data + overhead */,
+		.bus_num	= 2,
+		.chip_select	= 0,
+	}
+};
+
+static void __init omap_palmtt_init_irq(void)
+{
+	omap1_init_common_hw();
+	omap_init_irq();
+}
+
+static struct omap_usb_config palmtt_usb_config __initdata = {
+	.register_dev	= 1,
+	.hmc_mode	= 0,
+	.pins[0]	= 2,
+};
+
+static struct omap_lcd_config palmtt_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct omap_uart_config palmtt_uart_config __initdata = {
+	.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
+};
+
+static struct omap_board_config_kernel palmtt_config[] = {
+	{ OMAP_TAG_USB,	&palmtt_usb_config	},
+	{ OMAP_TAG_LCD,	&palmtt_lcd_config	},
+	{ OMAP_TAG_UART,	&palmtt_uart_config	},
+};
+
+static void __init omap_mpu_wdt_mode(int mode) {
+	if (mode)
+		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
+	else {
+		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
+		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
+	}
+}
+
+static void __init omap_palmtt_init(void)
+{
+	omap_mpu_wdt_mode(0);
+
+	omap_board_config = palmtt_config;
+	omap_board_config_size = ARRAY_SIZE(palmtt_config);
+
+	platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
+
+	spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
+	omap_serial_init();
+}
+
+static void __init omap_palmtt_map_io(void)
+{
+	omap1_map_common_io();
+}
+
+MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
+	.phys_io	= 0xfff00000,
+	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
+	.boot_params	= 0x10000100,
+	.map_io		= omap_palmtt_map_io,
+	.init_irq	= omap_palmtt_init_irq,
+	.init_machine	= omap_palmtt_init,
+	.timer		= &omap_timer,
+MACHINE_END
diff --git a/include/asm-arm/arch-omap/board-palmtt.h b/include/asm-arm/arch-omap/board-palmtt.h
new file mode 100644
index 000000000000..d9590b0ec90e
--- /dev/null
+++ b/include/asm-arm/arch-omap/board-palmtt.h
@@ -0,0 +1,23 @@
+/*
+ * linux/include/asm-arm/arch-omap/board-palmte.h
+ *
+ * Hardware definitions for the Palm Tungsten|T device.
+ *
+ * Maintainters :	Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef __OMAP_BOARD_PALMTT_H
+#define __OMAP_BOARD_PALMTT_H
+
+#define PALMTT_USBDETECT_GPIO	0
+#define PALMTT_CABLE_GPIO	1
+#define PALMTT_LED_GPIO		3
+#define PALMTT_PENIRQ_GPIO	6
+#define PALMTT_MMC_WP_GPIO	8
+#define PALMTT_HDQ_GPIO		11
+
+#endif	/* __OMAP_BOARD_PALMTT_H */
diff --git a/include/asm-arm/arch-omap/hardware.h b/include/asm-arm/arch-omap/hardware.h
index 3903a6d76e2b..18c52d74c224 100644
--- a/include/asm-arm/arch-omap/hardware.h
+++ b/include/asm-arm/arch-omap/hardware.h
@@ -338,6 +338,10 @@
 #include "board-palmz71.h"
 #endif
 
+#ifdef CONFIG_MACH_OMAP_PALMTT
+#include "board-palmtt.h"
+#endif
+
 #endif /* !__ASSEMBLER__ */
 
 #endif	/* __ASM_ARCH_OMAP_HARDWARE_H */