[ARM] 4214/2: S3C2410: Add Armzone QT2410

Patch from: Harald Welte <laforge@openmoko.org>

Add support for the Armzone QT2410 system, with
basic peripheral support for TFT display, SPI
and LEDs.

Signed-off-by: Harald Welte <laforge@openmoko.org>
Signed-off-by: Ben Dooks <ben-linux@fluf.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 448 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
new file mode 100644
index 000000000000..c6a41593de21
--- /dev/null
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -0,0 +1,448 @@
+/* linux/arch/arm/mach-s3c2410/mach-qt2410.c
+ *
+ * Copyright (C) 2006 by OpenMoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ * 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/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/mmc/protocol.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.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-gpio.h>
+#include <asm/arch/leds-gpio.h>
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/fb.h>
+#include <asm/arch/nand.h>
+#include <asm/arch/udc.h>
+#include <asm/arch/spi.h>
+#include <asm/arch/spi-gpio.h>
+
+#include <asm/plat-s3c24xx/common-smdk.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/pm.h>
+
+static struct map_desc qt2410_iodesc[] __initdata = {
+        { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, 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 smdk2410_uartcfgs[] = {
+        [0] = {
+                .hwport      = 0,
+                .flags       = 0,
+                .ucon        = UCON,
+                .ulcon       = ULCON,
+                .ufcon       = UFCON,
+        },
+        [1] = {
+                .hwport      = 1,
+                .flags       = 0,
+                .ucon        = UCON,
+                .ulcon       = ULCON,
+                .ufcon       = UFCON,
+        },
+        [2] = {
+                .hwport      = 2,
+                .flags       = 0,
+                .ucon        = UCON,
+                .ulcon       = ULCON,
+                .ufcon       = UFCON,
+        }
+};
+
+/* LCD driver info */
+
+/* Configuration for 640x480 SHARP LQ080V3DG01 */
+static struct s3c2410fb_mach_info qt2410_biglcd_cfg __initdata = {
+        .regs   = {
+
+                .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
+                                  S3C2410_LCDCON1_TFT |
+                                  S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
+
+                .lcdcon2        = S3C2410_LCDCON2_VBPD(18) |    /* 19 */
+                                  S3C2410_LCDCON2_LINEVAL(479) |
+                                  S3C2410_LCDCON2_VFPD(10) |    /* 11 */
+                                  S3C2410_LCDCON2_VSPW(14),     /* 15 */
+
+                .lcdcon3        = S3C2410_LCDCON3_HBPD(43) |    /* 44 */
+                                  S3C2410_LCDCON3_HOZVAL(639) | /* 640 */
+                                  S3C2410_LCDCON3_HFPD(115),    /* 116 */
+
+                .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
+                                  S3C2410_LCDCON4_HSPW(95),     /* 96 */
+
+                .lcdcon5        = S3C2410_LCDCON5_FRM565 |
+                                  S3C2410_LCDCON5_INVVLINE |
+                                  S3C2410_LCDCON5_INVVFRAME |
+                                  S3C2410_LCDCON5_PWREN |
+                                  S3C2410_LCDCON5_HWSWP,
+        },
+
+        .lpcsel         = ((0xCE6) & ~7) | 1<<4,
+
+        .width          = 640,
+        .height         = 480,
+
+        .xres           = {
+                .min    = 640,
+                .max    = 640,
+                .defval = 640,
+        },
+
+        .yres           = {
+                .min    = 480,
+                .max    = 480,
+                .defval = 480,
+        },
+
+        .bpp            = {
+                .min    = 16,
+                .max    = 16,
+                .defval = 16,
+        },
+};
+
+/* Configuration for 480x640 toppoly TD028TTEC1 */
+static struct s3c2410fb_mach_info qt2410_prodlcd_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(3) |     /* 4 */
+                                  S3C2410_LCDCON2_VSPW(1),      /* 2 */
+
+                .lcdcon3        = S3C2410_LCDCON3_HBPD(7) |     /* 8 */
+                                  S3C2410_LCDCON3_HOZVAL(479) | /* 479 */
+                                  S3C2410_LCDCON3_HFPD(23),     /* 24 */
+
+                .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,
+
+        .width          = 480,
+        .height         = 640,
+
+        .xres           = {
+                .min    = 480,
+                .max    = 480,
+                .defval = 480,
+        },
+
+        .yres           = {
+                .min    = 640,
+                .max    = 640,
+                .defval = 640,
+        },
+
+        .bpp            = {
+                .min    = 16,
+                .max    = 16,
+                .defval = 16,
+        },
+};
+
+/* Config for 240x320 LCD */
+static struct s3c2410fb_mach_info qt2410_lcd_cfg __initdata = {
+        .regs   = {
+
+                .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
+                                  S3C2410_LCDCON1_TFT |
+                                  S3C2410_LCDCON1_CLKVAL(0x04),
+
+                .lcdcon2        = S3C2410_LCDCON2_VBPD(1) |
+                                  S3C2410_LCDCON2_LINEVAL(319) |
+                                  S3C2410_LCDCON2_VFPD(6) |
+                                  S3C2410_LCDCON2_VSPW(3),
+
+                .lcdcon3        = S3C2410_LCDCON3_HBPD(12) |
+                                  S3C2410_LCDCON3_HOZVAL(239) |
+                                  S3C2410_LCDCON3_HFPD(7),
+
+                .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
+                                  S3C2410_LCDCON4_HSPW(3),
+
+                .lcdcon5        = S3C2410_LCDCON5_FRM565 |
+                                  S3C2410_LCDCON5_INVVLINE |
+                                  S3C2410_LCDCON5_INVVFRAME |
+                                  S3C2410_LCDCON5_PWREN |
+                                  S3C2410_LCDCON5_HWSWP,
+        },
+
+        .lpcsel         = ((0xCE6) & ~7) | 1<<4,
+
+        .width          = 240,
+        .height         = 320,
+
+        .xres           = {
+                .min    = 240,
+                .max    = 240,
+                .defval = 240,
+        },
+
+        .yres           = {
+                .min    = 320,
+                .max    = 320,
+                .defval = 320,
+        },
+
+        .bpp            = {
+                .min    = 16,
+                .max    = 16,
+                .defval = 16,
+        },
+};
+
+/* CS8900 */
+
+static struct resource qt2410_cs89x0_resources[] = {
+        [0] = {
+                .start  = 0x19000000,
+                .end    = 0x19000000 + 16,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_EINT9,
+                .end    = IRQ_EINT9,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device qt2410_cs89x0 = {
+        .name           = "cirrus-cs89x0",
+        .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
+        .resource       = qt2410_cs89x0_resources,
+};
+
+/* LED */
+
+static struct s3c24xx_led_platdata qt2410_pdata_led = {
+        .gpio           = S3C2410_GPB0,
+        .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
+        .name           = "led",
+        .def_trigger    = "timer",
+};
+
+static struct platform_device qt2410_led = {
+        .name           = "s3c24xx_led",
+        .id             = 0,
+        .dev            = {
+                .platform_data = &qt2410_pdata_led,
+        },
+};
+
+/* SPI */
+
+static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
+{
+        switch (cs) {
+        case BITBANG_CS_ACTIVE:
+                s3c2410_gpio_setpin(S3C2410_GPB5, 0);
+                break;
+        case BITBANG_CS_INACTIVE:
+                s3c2410_gpio_setpin(S3C2410_GPB5, 1);
+                break;
+        }
+}
+
+static struct s3c2410_spigpio_info spi_gpio_cfg = {
+        .pin_clk        = S3C2410_GPG7,
+        .pin_mosi       = S3C2410_GPG6,
+        .pin_miso       = S3C2410_GPG5,
+        .chip_select    = &spi_gpio_cs,
+};
+
+
+static struct platform_device qt2410_spi = {
+        .name             = "s3c24xx-spi-gpio",
+        .id               = 1,
+        .dev = {
+                .platform_data = &spi_gpio_cfg,
+        },
+};
+
+/* Board devices */
+
+static struct platform_device *qt2410_devices[] __initdata = {
+        &s3c_device_usb,
+        &s3c_device_lcd,
+        &s3c_device_wdt,
+        &s3c_device_i2c,
+        &s3c_device_iis,
+        &s3c_device_sdi,
+        &s3c_device_usbgadget,
+        &qt2410_spi,
+        &qt2410_cs89x0,
+        &qt2410_led,
+};
+
+static struct s3c24xx_board qt2410_board __initdata = {
+        .devices       = qt2410_devices,
+        .devices_count = ARRAY_SIZE(qt2410_devices)
+};
+
+static struct mtd_partition qt2410_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 qt2410_nand_sets[] = {
+        [0] = {
+                .name           = "NAND",
+                .nr_chips       = 1,
+                .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
+                .partitions     = qt2410_nand_part,
+        },
+};
+
+/* choose a set of timings which should suit most 512Mbit
+ * chips and beyond.
+ */
+
+static struct s3c2410_platform_nand qt2410_nand_info = {
+        .tacls          = 20,
+        .twrph0         = 60,
+        .twrph1         = 20,
+        .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
+        .sets           = qt2410_nand_sets,
+};
+
+/* UDC */
+
+static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
+};
+
+static char tft_type = 's';
+
+static int __init qt2410_tft_setup(char *str)
+{
+        tft_type = str[0];
+        return 1;
+}
+
+__setup("tft=", qt2410_tft_setup);
+
+static void __init qt2410_map_io(void)
+{
+        s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
+        s3c24xx_init_clocks(12*1000*1000);
+        s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
+        s3c24xx_set_board(&qt2410_board);
+}
+
+static void __init qt2410_machine_init(void)
+{
+        s3c_device_nand.dev.platform_data = &qt2410_nand_info;
+
+        switch (tft_type) {
+        case 'p': /* production */
+                s3c24xx_fb_set_platdata(&qt2410_prodlcd_cfg);
+                break;
+        case 'b': /* big */
+                s3c24xx_fb_set_platdata(&qt2410_biglcd_cfg);
+                break;
+        case 's': /* small */
+        default:
+                s3c24xx_fb_set_platdata(&qt2410_lcd_cfg);
+                break;
+        }
+
+        s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
+        s3c2410_gpio_setpin(S3C2410_GPB0, 1);
+
+        s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
+
+        s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
+
+        s3c2410_pm_init();
+}
+
+MACHINE_START(QT2410, "QT2410")
+        .phys_io        = S3C2410_PA_UART,
+        .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+        .boot_params    = S3C2410_SDRAM_PA + 0x100,
+        .map_io         = qt2410_map_io,
+        .init_irq       = s3c24xx_init_irq,
+        .init_machine   = qt2410_machine_init,
+        .timer          = &s3c24xx_timer,
+MACHINE_END
+
+