basic support for neo1973

From: Pavel Machek
Date: Fri Apr 06 2007 - 09:59:46 EST

This adds very basic support for fic1973 (aka gta01, aka
openmoko). With this patch applied, I can boot the kernel and actually
see the messages.

From: Harald Welte <laforge@xxxxxxxxxxxx>
Signed-off-by: Pavel Machek <pavel@xxxxxxx>

PATCH FOLLOWS
KernelVersion: 2.6.21-rc5-git

diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index d4b013b..9f2a874 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -109,5 +109,11 @@ config MACH_QT2410
help
Say Y here if you are using the Armzone QT2410

+config MACH_GTA01
+ bool "FIC Neo1973 GSM Phone"
+ select CPU_S3C2410
+ help
+ Say Y here if you are using the FIC Neo1973 GSM Phone
+
endmenu

diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 9a3d3d2..71b82d8 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -29,3 +29,5 @@ obj-$(CONFIG_MACH_AML_M5900) += mach-aml
obj-$(CONFIG_BAST_PC104_IRQ) += bast-irq.o
obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o usb-simtec.o
obj-$(CONFIG_MACH_QT2410) += mach-qt2410.o
+obj-$(CONFIG_MACH_GTA01) += mach-gta01.o
+
diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
new file mode 100644
index 0000000..c9b4837
--- /dev/null
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -0,0 +1,358 @@
+/*
+ * linux/arch/arm/mach-s3c2410/mach-gta01.c
+ *
+ * S3C2410 Machine Support for the FIC GTA01 (Neo1973)
+ *
+ * Copyright (C) 2006-2007 by OpenMoko, Inc.
+ * Author: Harald Welte <laforge@xxxxxxxxxxxx>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/mmc/protocol.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/fb.h>
+#include <asm/arch/udc.h>
+#include <asm/arch/nand.h>
+#include <asm/arch/spi.h>
+#include <asm/arch/spi-gpio.h>
+#include <asm/arch/usb-control.h>
+
+#include <asm/arch/gta01.h>
+
+#include <asm/plat-s3c24xx/clock.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+
+static struct map_desc gta01_iodesc[] __initdata = {
+ {
+ .virtual = 0xe0000000,
+ .pfn = __phys_to_pfn(S3C2410_CS3+0x01000000),
+ .length = SZ_1M,
+ .type = MT_DEVICE
+ },
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg gta01_uartcfgs[] = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+};
+
+/* LCD driver info */
+
+
+/* Configuration for 480x640 toppoly TD028TTEC1 */
+static struct s3c2410fb_mach_info gta01_lcd_cfg __initdata = {
+ .regs = {
+ .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
+ S3C2410_LCDCON1_TFT |
+ S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
+
+ .lcdcon2 = S3C2410_LCDCON2_VBPD(1) | /* 2 */
+ S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
+ S3C2410_LCDCON2_VFPD(15) | /* 16 */
+ S3C2410_LCDCON2_VSPW(1), /* 2 */
+
+ .lcdcon3 = S3C2410_LCDCON3_HBPD(7) | /* 8 */
+ S3C2410_LCDCON3_HOZVAL(479) | /* 480 */
+ S3C2410_LCDCON3_HFPD(103), /* 104 */
+
+ .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
+ S3C2410_LCDCON4_HSPW(7), /* 8 */
+
+ .lcdcon5 = S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_PWREN |
+ S3C2410_LCDCON5_HWSWP,
+ },
+
+ .lpcsel = ((0xCE6) & ~7) | 1<<4,
+ .type = S3C2410_LCDCON1_TFT,
+
+ .width = 480,
+ .height = 640,
+
+ .xres = {
+ .min = 240,
+ .max = 480,
+ .defval = 480,
+ },
+
+ .yres = {
+ .min = 320,
+ .max = 640,
+ .defval = 640,
+ },
+
+ .bpp = {
+ .min = 1,
+ .max = 16,
+ .defval = 16,
+ },
+};
+static struct platform_device *gta01_devices[] __initdata = {
+ &s3c_device_lcd,
+};
+
+static struct s3c24xx_board gta01_board __initdata = {
+ .devices = gta01_devices,
+ .devices_count = ARRAY_SIZE(gta01_devices)
+};
+
+static struct mtd_partition gta01_nand_part[] = {
+ [0] = {
+ .name = "U-Boot",
+ .size = 0x30000,
+ .offset = 0,
+ },
+ [1] = {
+ .name = "U-Boot environment",
+ .offset = 0x30000,
+ .size = 0x4000,
+ },
+ [2] = {
+ .name = "kernel",
+ .offset = 0x34000,
+ .size = SZ_2M,
+ },
+ [3] = {
+ .name = "initrd",
+ .offset = 0x234000,
+ .size = SZ_4M,
+ },
+ [4] = {
+ .name = "jffs2",
+ .offset = 0x634000,
+ .size = 0x39cc000,
+ },
+};
+
+static struct s3c2410_nand_set gta01_nand_sets[] = {
+ [0] = {
+ .name = "NAND",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(gta01_nand_part),
+ .partitions = gta01_nand_part,
+ },
+};
+
+/* choose a set of timings which should suit most 512Mbit
+ * chips and beyond.
+ */
+
+static struct s3c2410_platform_nand gta01_nand_info = {
+ .tacls = 20,
+ .twrph0 = 60,
+ .twrph1 = 20,
+ .nr_sets = ARRAY_SIZE(gta01_nand_sets),
+ .sets = gta01_nand_sets,
+};
+
+static unsigned int mmc_millivolts[] = {
+ [MMC_VDD_145_150] = 1500,
+ [MMC_VDD_150_155] = 1500,
+ [MMC_VDD_155_160] = 1600,
+ [MMC_VDD_160_165] = 1600,
+ [MMC_VDD_165_170] = 1700,
+ [MMC_VDD_17_18] = 1800,
+ [MMC_VDD_18_19] = 1900,
+ [MMC_VDD_19_20] = 2000,
+ [MMC_VDD_20_21] = 2100,
+ [MMC_VDD_21_22] = 2200,
+ [MMC_VDD_22_23] = 2300,
+ [MMC_VDD_23_24] = 2400,
+ [MMC_VDD_24_25] = 2500,
+ [MMC_VDD_25_26] = 2600,
+ [MMC_VDD_26_27] = 2700,
+ [MMC_VDD_27_28] = 2800,
+ [MMC_VDD_28_29] = 2900,
+ [MMC_VDD_29_30] = 3000,
+ [MMC_VDD_30_31] = 3100,
+ [MMC_VDD_31_32] = 3200,
+ [MMC_VDD_32_33] = 3300,
+};
+
+static void gta01_mmc_set_power(unsigned short vdd)
+{
+ /* FIXME: set GTA01_GPIO_SDMMC_ON on GTA01v4 */
+}
+
+static void gta01_udc_command(enum s3c2410_udc_cmd_e cmd)
+{
+ printk(KERN_DEBUG "%s(%d)\n", __func__, cmd);
+
+ switch (cmd) {
+ case S3C2410_UDC_P_ENABLE:
+ s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 1);
+ break;
+ case S3C2410_UDC_P_DISABLE:
+ s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 0);
+ break;
+ case S3C2410_UDC_P_RESET:
+ /* FIXME! */
+ break;
+ default:
+ break;
+ }
+}
+
+static struct gta01bl_machinfo backlight_machinfo = {
+ .default_intensity = 1,
+ .max_intensity = 1,
+ .limit_mask = 1,
+};
+
+static struct resource gta01_bl_resources[] = {
+ [0] = {
+ .start = GTA01_GPIO_BACKLIGHT,
+ .end = GTA01_GPIO_BACKLIGHT,
+ },
+};
+
+struct platform_device gta01_bl_dev = {
+ .name = "gta01-bl",
+ .num_resources = ARRAY_SIZE(gta01_bl_resources),
+ .resource = gta01_bl_resources,
+ .dev = {
+ .platform_data = &backlight_machinfo,
+ },
+};
+
+static struct resource gta01_button_resources[] = {
+ [0] = {
+ .start = GTA01_GPIO_AUX_KEY,
+ .end = GTA01_GPIO_AUX_KEY,
+ },
+ [1] = {
+ .start = GTA01_GPIO_HOLD_KEY,
+ .end = GTA01_GPIO_HOLD_KEY,
+ },
+ [2] = {
+ .start = GTA01_GPIO_JACK_INSERT,
+ .end = GTA01_GPIO_JACK_INSERT,
+ },
+};
+
+struct platform_device gta01_button_dev = {
+ .name ="gta01-button",
+ .num_resources = ARRAY_SIZE(gta01_button_resources),
+ .resource = gta01_button_resources,
+};
+
+static struct platform_device gta01_pm_gsm_dev = {
+ .name ="gta01-pm-gsm",
+};
+
+/* USB */
+static struct s3c2410_hcd_info gta01_usb_info = {
+ .port[0] = {
+ .flags = S3C_HCDFLG_USED,
+ },
+ .port[1] = {
+ .flags = 0,
+ },
+};
+
+static void __init gta01_map_io(void)
+{
+ s3c24xx_init_io(gta01_iodesc, ARRAY_SIZE(gta01_iodesc));
+ s3c24xx_init_clocks(12*1000*1000);
+ s3c24xx_init_uarts(gta01_uartcfgs, ARRAY_SIZE(gta01_uartcfgs));
+ s3c24xx_set_board(&gta01_board);
+}
+
+static void __init gta01_machine_init(void)
+{
+ s3c_device_usb.dev.platform_data = &gta01_usb_info;
+ s3c_device_nand.dev.platform_data = &gta01_nand_info;
+
+ s3c24xx_fb_set_platdata(&gta01_lcd_cfg);
+
+ /* Set LCD_RESET / XRES to high */
+ s3c2410_gpio_cfgpin(S3C2410_GPC6, S3C2410_GPIO_OUTPUT);
+ s3c2410_gpio_setpin(S3C2410_GPC6, 1);
+
+#ifdef SPI_HARD
+#else
+ /* SPI chip select is gpio output */
+ s3c2410_gpio_cfgpin(S3C2410_GPG3, S3C2410_GPIO_OUTPUT);
+ s3c2410_gpio_setpin(S3C2410_GPG3, 1);
+
+#endif
+ platform_device_register(&gta01_bl_dev);
+ platform_device_register(&gta01_button_dev);
+ platform_device_register(&gta01_pm_gsm_dev);
+
+ s3c2410_pm_init();
+}
+
+MACHINE_START(GTA01, "GTA01")
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+ .map_io = gta01_map_io,
+ .init_irq = s3c24xx_init_irq,
+ .init_machine = gta01_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
+
+

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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