ARM: OMAP: Basic support for siemens sx1

This adds basic support for Siemens SX1. More patches are available,
with video driver, mixer, and serial ports working. That is enough to
do gsm calls with right userland.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 506 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 7386dc354945..79f0b1f8497b 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -107,6 +107,17 @@ config MACH_OMAP_PALMTT
 	  http://www.hackndev.com/palm/tt/ for more information.
 	  Say Y here if you have this PDA model, say N otherwise.
 
+config MACH_SX1
+	bool "Siemens SX1"
+	depends on ARCH_OMAP1 && ARCH_OMAP15XX
+	help
+	  Support for the Siemens SX1 phone. To boot the kernel,
+	  you'll need a SX1 compatible bootloader; check out
+	  http://forum.oslik.ru and
+	  http://www.handhelds.org/moin/moin.cgi/SiemensSX1
+	  for more information.
+	  Say Y here if you have such a phone, say NO 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 3a7cd2890ec8..391b6f4827f6 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -26,6 +26,7 @@ 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
+obj-$(CONFIG_MACH_SX1)			+= board-sx1.o
 
 ifeq ($(CONFIG_ARCH_OMAP15XX),y)
 # Innovator-1510 FPGA
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
new file mode 100644
index 000000000000..2743d639aa05
--- /dev/null
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -0,0 +1,494 @@
+/*
+* linux/arch/arm/mach-omap1/board-sx1.c
+*
+* Modified from board-generic.c
+*
+* Support for the Siemens SX1 mobile phone.
+*
+* Original version : Vladimir Ananiev (Vovan888-at-gmail com)
+*
+* Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
+*		oslik.ru
+*
+* 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/kernel.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/notifier.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/types.h>
+#include <linux/i2c.h>
+#include <linux/errno.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/omap-alsa.h>
+#include <asm/arch/keypad.h>
+
+/* Write to I2C device */
+int i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
+{
+	struct i2c_adapter *adap;
+	int err;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+
+	adap = i2c_get_adapter(0);
+	if (!adap)
+		return -ENODEV;
+	msg->addr = devaddr;	/* I2C address of chip */
+	msg->flags = 0;
+	msg->len = 2;
+	msg->buf = data;
+	data[0] = regoffset;	/* register num */
+	data[1] = value;		/* register data */
+	err = i2c_transfer(adap, msg, 1);
+	if (err >= 0)
+		return 0;
+	return err;
+}
+
+/* Read from I2C device */
+int i2c_read_byte(u8 devaddr, u8 regoffset, u8 * value)
+{
+	struct i2c_adapter *adap;
+	int err;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+
+	adap = i2c_get_adapter(0);
+	if (!adap)
+		return -ENODEV;
+
+	msg->addr = devaddr;	/* I2C address of chip */
+	msg->flags = 0;
+	msg->len = 1;
+	msg->buf = data;
+	data[0] = regoffset;	/* register num */
+	err = i2c_transfer(adap, msg, 1);
+
+	msg->addr = devaddr;	/* I2C address */
+	msg->flags = I2C_M_RD;
+	msg->len = 1;
+	msg->buf = data;
+	err = i2c_transfer(adap, msg, 1);
+	*value = data[0];
+
+	if (err >= 0)
+		return 0;
+	return err;
+}
+/* set keyboard backlight intensity */
+int sx1_setkeylight(u8 keylight)
+{
+	if (keylight > SOFIA_MAX_LIGHT_VAL)
+		keylight = SOFIA_MAX_LIGHT_VAL;
+	return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+}
+/* get current keylight intensity */
+int sx1_getkeylight(u8 * keylight)
+{
+	return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
+}
+/* set LCD backlight intensity */
+int sx1_setbacklight(u8 backlight)
+{
+	if (backlight > SOFIA_MAX_LIGHT_VAL)
+		backlight = SOFIA_MAX_LIGHT_VAL;
+	return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
+}
+/* get current LCD backlight intensity */
+int sx1_getbacklight (u8 * backlight)
+{
+	return i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, backlight);
+}
+/* set LCD backlight power on/off */
+int sx1_setmmipower(u8 onoff)
+{
+	int err;
+	u8 dat = 0;
+	err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+	if (err < 0)
+		return err;
+	if (onoff)
+		dat |= SOFIA_MMILIGHT_POWER;
+	else
+		dat &= ~SOFIA_MMILIGHT_POWER;
+	return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+/* set MMC power on/off */
+int sx1_setmmcpower(u8 onoff)
+{
+	int err;
+	u8 dat = 0;
+	err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+	if (err < 0)
+		return err;
+	if (onoff)
+		dat |= SOFIA_MMC_POWER;
+	else
+		dat &= ~SOFIA_MMC_POWER;
+	return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+/* set USB power on/off */
+int sx1_setusbpower(u8 onoff)
+{
+	int err;
+	u8 dat = 0;
+	err = i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+	if (err < 0)
+		return err;
+	if (onoff)
+		dat |= SOFIA_USB_POWER;
+	else
+		dat &= ~SOFIA_USB_POWER;
+	return i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+
+EXPORT_SYMBOL(sx1_setkeylight);
+EXPORT_SYMBOL(sx1_getkeylight);
+EXPORT_SYMBOL(sx1_setbacklight);
+EXPORT_SYMBOL(sx1_getbacklight);
+EXPORT_SYMBOL(sx1_setmmipower);
+EXPORT_SYMBOL(sx1_setmmcpower);
+EXPORT_SYMBOL(sx1_setusbpower);
+
+/*----------- Keypad -------------------------*/
+
+static int sx1_keymap[] = {
+	KEY(5, 3, GROUP_0 | 117), /* camera Qt::Key_F17 */
+	KEY(0, 4, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
+	KEY(1, 4, GROUP_2 | 114), /* voice memo */
+	KEY(2, 4, GROUP_3 | 114), /* voice memo */
+	KEY(0, 0, GROUP_1 | KEY_F12),	/* red button Qt::Key_Hangup */
+	KEY(4, 3, GROUP_1 | KEY_LEFT),
+	KEY(2, 3, GROUP_1 | KEY_DOWN),
+	KEY(1, 3, GROUP_1 | KEY_RIGHT),
+	KEY(0, 3, GROUP_1 | KEY_UP),
+	KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
+	KEY(5, 0, GROUP_1 | KEY_1),
+	KEY(4, 0, GROUP_1 | KEY_2),
+	KEY(3, 0, GROUP_1 | KEY_3),
+	KEY(3, 4, GROUP_1 | KEY_4),
+	KEY(4, 4, GROUP_1 | KEY_5),
+	KEY(5, 4, GROUP_1 | KEY_KPASTERISK),/* "*" */
+	KEY(4, 1, GROUP_1 | KEY_6),
+	KEY(5, 1, GROUP_1 | KEY_7),
+	KEY(3, 1, GROUP_1 | KEY_8),
+	KEY(3, 2, GROUP_1 | KEY_9),
+	KEY(5, 2, GROUP_1 | KEY_0),
+	KEY(4, 2, GROUP_1 | 113),	/* # F13 Toggle input method Qt::Key_F13 */
+	KEY(0, 1, GROUP_1 | KEY_F11),	/* green button Qt::Key_Call */
+	KEY(1, 2, GROUP_1 | KEY_YEN),	/* left soft Qt::Key_Context1 */
+	KEY(2, 2, GROUP_1 | KEY_F8),	/* right soft Qt::Key_Back */
+	KEY(2, 1, GROUP_1 | KEY_LEFTSHIFT), /* shift */
+	KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
+	KEY(0, 2, GROUP_1 | KEY_F7),	/* menu Qt::Key_Menu */
+	0
+};
+
+static struct resource sx1_kp_resources[] = {
+	[0] = {
+		.start	= INT_KEYBOARD,
+		.end	= INT_KEYBOARD,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct omap_kp_platform_data sx1_kp_data = {
+	.rows		= 6,
+	.cols		= 6,
+	.keymap	= sx1_keymap,
+	.keymapsize = ARRAY_SIZE(sx1_keymap),
+	.delay	= 80,
+};
+
+static struct platform_device sx1_kp_device = {
+	.name		= "omap-keypad",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &sx1_kp_data,
+	},
+	.num_resources	= ARRAY_SIZE(sx1_kp_resources),
+	.resource	= sx1_kp_resources,
+};
+
+/*----------- IRDA -------------------------*/
+
+static struct omap_irda_config sx1_irda_data = {
+	.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 sx1_irda_resources[] = {
+	[0] = {
+		.start	= INT_UART3,
+		.end	= INT_UART3,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 irda_dmamask = 0xffffffff;
+
+static struct platform_device sx1_irda_device = {
+	.name		= "omapirda",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &sx1_irda_data,
+		.dma_mask	= &irda_dmamask,
+	},
+	.num_resources	= ARRAY_SIZE(sx1_irda_resources),
+	.resource	= sx1_irda_resources,
+};
+
+/*----------- McBSP & Sound -------------------------*/
+
+/* Playback interface - McBSP1 */
+static struct omap_mcbsp_reg_cfg mcbsp1_regs = {
+	.spcr2	= XINTM(3),	/* SPCR2=30 */
+	.spcr1	= RINTM(3),	/* SPCR1=30 */
+	.rcr2	= 0,	/* RCR2 =00 */
+	.rcr1	= RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16),	/* RCR1=140 */
+	.xcr2	= 0,	/* XCR2 = 0 */
+	.xcr1	= XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16),	/* XCR1 = 140 */
+	.srgr1	= FWID(15) | CLKGDV(12),	/* SRGR1=0f0c */
+	.srgr2	= FSGM | FPER(31),	/* SRGR2=101f */
+	.pcr0	= FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
+						/* PCR0 =0f0f */
+};
+
+/* TODO: PCM interface - McBSP2 */
+static struct omap_mcbsp_reg_cfg mcbsp2_regs = {
+	.spcr2	= FRST | GRST | XRST | XINTM(3),	/* SPCR2=F1 */
+	.spcr1	= RINTM(3) | RRST,	/* SPCR1=30 */
+	.rcr2	= 0,	/* RCR2 =00 */
+	.rcr1	= RFRLEN1(1) | RWDLEN1(OMAP_MCBSP_WORD_16), /* RCR1 = 140 */
+	.xcr2	= 0,	/* XCR2 = 0 */
+	.xcr1	= XFRLEN1(1) | XWDLEN1(OMAP_MCBSP_WORD_16), /* XCR1 = 140 */
+	.srgr1	= FWID(15) | CLKGDV(12),	/* SRGR1=0f0c */
+	.srgr2	= FSGM | FPER(31),	/* SRGR2=101f */
+	.pcr0	= FSXM | FSRM | CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
+						/* PCR0=0f0f */
+	/* mcbsp: slave */
+};
+
+static struct omap_alsa_codec_config sx1_alsa_config = {
+	.name			= "SX1 EGold",
+	.mcbsp_regs_alsa	= &mcbsp1_regs,
+};
+
+static struct platform_device sx1_mcbsp1_device = {
+	.name	= "omap_alsa_mcbsp",
+	.id	= 1,
+	.dev = {
+		.platform_data	= &sx1_alsa_config,
+	},
+};
+
+/*----------- MTD -------------------------*/
+
+static struct mtd_partition sx1_partitions[] = {
+	/* bootloader (U-Boot, etc) in first sector */
+	{
+		.name		= "bootloader",
+		.offset		= 0x01800000,
+		.size		= SZ_128K,
+		.mask_flags	= MTD_WRITEABLE, /* force read-only */
+	},
+	/* bootloader params in the next sector */
+	{
+		.name		= "params",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_128K,
+		.mask_flags	= 0,
+	},
+	/* kernel */
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_2M - 2 * SZ_128K,
+		.mask_flags	= 0
+	},
+	/* file system */
+	{
+		.name		= "filesystem",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= 0
+	}
+};
+
+static struct flash_platform_data sx1_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+	.parts		= sx1_partitions,
+	.nr_parts	= ARRAY_SIZE(sx1_partitions),
+};
+
+#ifdef CONFIG_SX1_OLD_FLASH
+/* MTD Intel StrataFlash - old flashes */
+static struct resource sx1_old_flash_resource[] = {
+	[0] = {
+		.start	= OMAP_CS0_PHYS,	/* Physical */
+		.end	= OMAP_CS0_PHYS + SZ_16M - 1,,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= OMAP_CS1_PHYS,
+		.end	= OMAP_CS1_PHYS + SZ_8M - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device sx1_flash_device = {
+	.name		= "omapflash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &sx1_flash_data,
+	},
+	.num_resources	= 2,
+	.resource	= &sx1_old_flash_resource,
+};
+#else
+/* MTD Intel 4000 flash - new flashes */
+static struct resource sx1_new_flash_resource = {
+	.start		= OMAP_CS0_PHYS,
+	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device sx1_flash_device = {
+	.name		= "omapflash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &sx1_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &sx1_new_flash_resource,
+};
+#endif
+
+/*----------- USB -------------------------*/
+
+static struct omap_usb_config sx1_usb_config __initdata = {
+	.otg		= 0,
+	.register_dev	= 1,
+	.register_host	= 0,
+	.hmc_mode	= 0,
+	.pins[0]	= 2,
+	.pins[1]	= 0,
+	.pins[2]	= 0,
+};
+
+/*----------- MMC -------------------------*/
+
+static struct omap_mmc_config sx1_mmc_config __initdata = {
+	.mmc [0] = {
+		.enabled 	= 1,
+		.wire4		= 0,
+		.wp_pin		= -1,
+		.power_pin	= -1, /* power is in Sofia */
+		.switch_pin	= OMAP_MPUIO(3),
+	},
+};
+
+/*----------- LCD -------------------------*/
+
+static struct platform_device sx1_lcd_device = {
+	.name		= "lcd_sx1",
+	.id		= -1,
+};
+
+static struct omap_lcd_config sx1_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+/*-----------------------------------------*/
+static struct platform_device *sx1_devices[] __initdata = {
+	&sx1_flash_device,
+	&sx1_kp_device,
+	&sx1_lcd_device,
+	&sx1_mcbsp1_device,
+	&sx1_irda_device,
+};
+/*-----------------------------------------*/
+
+static struct omap_uart_config sx1_uart_config __initdata = {
+	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_board_config_kernel sx1_config[] = {
+	{ OMAP_TAG_USB,	&sx1_usb_config },
+	{ OMAP_TAG_MMC,	&sx1_mmc_config },
+	{ OMAP_TAG_LCD,	&sx1_lcd_config },
+	{ OMAP_TAG_UART,	&sx1_uart_config },
+};
+/*-----------------------------------------*/
+static void __init omap_sx1_init(void)
+{
+	platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
+
+	omap_board_config = sx1_config;
+	omap_board_config_size = ARRAY_SIZE(sx1_config);
+	omap_serial_init();
+
+	/* turn on USB power */
+	/* sx1_setusbpower(1); cant do it here because i2c is not ready */
+	omap_request_gpio(1);	/* A_IRDA_OFF */
+	omap_request_gpio(11);	/* A_SWITCH */
+	omap_request_gpio(15);	/* A_USB_ON */
+	omap_set_gpio_direction(1, 0);/* gpio1 -> output */
+	omap_set_gpio_direction(11, 0);/* gpio11 -> output */
+	omap_set_gpio_direction(15, 0);/* gpio15 -> output */
+	/* set GPIO data */
+	omap_set_gpio_dataout(1, 1);/*A_IRDA_OFF = 1 */
+	omap_set_gpio_dataout(11, 0);/*A_SWITCH = 0 */
+	omap_set_gpio_dataout(15, 0);/*A_USB_ON = 0 */
+
+}
+/*----------------------------------------*/
+static void __init omap_sx1_init_irq(void)
+{
+	omap1_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+}
+/*----------------------------------------*/
+
+static void __init omap_sx1_map_io(void)
+{
+	omap1_map_common_io();
+}
+
+MACHINE_START(SX1, "OMAP310 based Siemens SX1")
+	.phys_io	= 0xfff00000,
+	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
+	.boot_params	= 0x10000100,
+	.map_io		= omap_sx1_map_io,
+	.init_irq		= omap_sx1_init_irq,
+	.init_machine	= omap_sx1_init,
+	.timer		= &omap_timer,
+MACHINE_END