summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s3c64xx/mach-mini6410.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-mini6410.c')
-rw-r--r--arch/arm/mach-s3c64xx/mach-mini6410.c357
1 files changed, 357 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
new file mode 100644
index 000000000000..249c62956471
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -0,0 +1,357 @@
+/* linux/arch/arm/mach-s3c64xx/mach-mini6410.c
+ *
+ * Copyright 2010 Darius Augulis <augulis.darius@gmail.com>
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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/init.h>
+#include <linux/interrupt.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/dm9000.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/serial_core.h>
+#include <linux/types.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/map.h>
+#include <mach/regs-fb.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-modem.h>
+#include <mach/regs-srom.h>
+#include <mach/s3c6410.h>
+
+#include <plat/adc.h>
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/fb.h>
+#include <plat/nand.h>
+#include <plat/regs-serial.h>
+#include <plat/ts.h>
+
+#include <video/platform_lcd.h>
+
+#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = {
+ [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,
+ },
+ [3] = {
+ .hwport = 3,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+};
+
+/* DM9000AEP 10/100 ethernet controller */
+
+static struct resource mini6410_dm9k_resource[] = {
+ [0] = {
+ .start = S3C64XX_PA_XM0CSN1,
+ .end = S3C64XX_PA_XM0CSN1 + 1,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = S3C64XX_PA_XM0CSN1 + 4,
+ .end = S3C64XX_PA_XM0CSN1 + 5,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = S3C_EINT(7),
+ .end = S3C_EINT(7),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
+ }
+};
+
+static struct dm9000_plat_data mini6410_dm9k_pdata = {
+ .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+};
+
+static struct platform_device mini6410_device_eth = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(mini6410_dm9k_resource),
+ .resource = mini6410_dm9k_resource,
+ .dev = {
+ .platform_data = &mini6410_dm9k_pdata,
+ },
+};
+
+static struct mtd_partition mini6410_nand_part[] = {
+ [0] = {
+ .name = "uboot",
+ .size = SZ_1M,
+ .offset = 0,
+ },
+ [1] = {
+ .name = "kernel",
+ .size = SZ_2M,
+ .offset = SZ_1M,
+ },
+ [2] = {
+ .name = "rootfs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = SZ_1M + SZ_2M,
+ },
+};
+
+static struct s3c2410_nand_set mini6410_nand_sets[] = {
+ [0] = {
+ .name = "nand",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(mini6410_nand_part),
+ .partitions = mini6410_nand_part,
+ },
+};
+
+static struct s3c2410_platform_nand mini6410_nand_info = {
+ .tacls = 25,
+ .twrph0 = 55,
+ .twrph1 = 40,
+ .nr_sets = ARRAY_SIZE(mini6410_nand_sets),
+ .sets = mini6410_nand_sets,
+};
+
+static struct s3c_fb_pd_win mini6410_fb_win[] = {
+ {
+ .win_mode = { /* 4.3" 480x272 */
+ .left_margin = 3,
+ .right_margin = 2,
+ .upper_margin = 1,
+ .lower_margin = 1,
+ .hsync_len = 40,
+ .vsync_len = 1,
+ .xres = 480,
+ .yres = 272,
+ },
+ .max_bpp = 32,
+ .default_bpp = 16,
+ }, {
+ .win_mode = { /* 7.0" 800x480 */
+ .left_margin = 8,
+ .right_margin = 13,
+ .upper_margin = 7,
+ .lower_margin = 5,
+ .hsync_len = 3,
+ .vsync_len = 1,
+ .xres = 800,
+ .yres = 480,
+ },
+ .max_bpp = 32,
+ .default_bpp = 16,
+ },
+};
+
+static struct s3c_fb_platdata mini6410_lcd_pdata __initdata = {
+ .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
+ .win[0] = &mini6410_fb_win[0],
+ .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+ .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
+};
+
+static void mini6410_lcd_power_set(struct plat_lcd_data *pd,
+ unsigned int power)
+{
+ if (power)
+ gpio_direction_output(S3C64XX_GPE(0), 1);
+ else
+ gpio_direction_output(S3C64XX_GPE(0), 0);
+}
+
+static struct plat_lcd_data mini6410_lcd_power_data = {
+ .set_power = mini6410_lcd_power_set,
+};
+
+static struct platform_device mini6410_lcd_powerdev = {
+ .name = "platform-lcd",
+ .dev.parent = &s3c_device_fb.dev,
+ .dev.platform_data = &mini6410_lcd_power_data,
+};
+
+static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
+ .delay = 10000,
+ .presc = 49,
+ .oversampling_shift = 2,
+};
+
+static struct platform_device *mini6410_devices[] __initdata = {
+ &mini6410_device_eth,
+ &s3c_device_hsmmc0,
+ &s3c_device_hsmmc1,
+ &s3c_device_ohci,
+ &s3c_device_nand,
+ &s3c_device_fb,
+ &mini6410_lcd_powerdev,
+ &s3c_device_adc,
+ &s3c_device_ts,
+};
+
+static void __init mini6410_map_io(void)
+{
+ u32 tmp;
+
+ s3c64xx_init_io(NULL, 0);
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs));
+
+ /* set the LCD type */
+ tmp = __raw_readl(S3C64XX_SPCON);
+ tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
+ tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
+ __raw_writel(tmp, S3C64XX_SPCON);
+
+ /* remove the LCD bypass */
+ tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
+ tmp &= ~MIFPCON_LCD_BYPASS;
+ __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
+}
+
+/*
+ * mini6410_features string
+ *
+ * 0-9 LCD configuration
+ *
+ */
+static char mini6410_features_str[12] __initdata = "0";
+
+static int __init mini6410_features_setup(char *str)
+{
+ if (str)
+ strlcpy(mini6410_features_str, str,
+ sizeof(mini6410_features_str));
+ return 1;
+}
+
+__setup("mini6410=", mini6410_features_setup);
+
+#define FEATURE_SCREEN (1 << 0)
+
+struct mini6410_features_t {
+ int done;
+ int lcd_index;
+};
+
+static void mini6410_parse_features(
+ struct mini6410_features_t *features,
+ const char *features_str)
+{
+ const char *fp = features_str;
+
+ features->done = 0;
+ features->lcd_index = 0;
+
+ while (*fp) {
+ char f = *fp++;
+
+ switch (f) {
+ case '0'...'9': /* tft screen */
+ if (features->done & FEATURE_SCREEN) {
+ printk(KERN_INFO "MINI6410: '%c' ignored, "
+ "screen type already set\n", f);
+ } else {
+ int li = f - '0';
+ if (li >= ARRAY_SIZE(mini6410_fb_win))
+ printk(KERN_INFO "MINI6410: '%c' out "
+ "of range LCD mode\n", f);
+ else {
+ features->lcd_index = li;
+ }
+ }
+ features->done |= FEATURE_SCREEN;
+ break;
+ }
+ }
+}
+
+static void __init mini6410_machine_init(void)
+{
+ u32 cs1;
+ struct mini6410_features_t features = { 0 };
+
+ printk(KERN_INFO "MINI6410: Option string mini6410=%s\n",
+ mini6410_features_str);
+
+ /* Parse the feature string */
+ mini6410_parse_features(&features, mini6410_features_str);
+
+ mini6410_lcd_pdata.win[0] = &mini6410_fb_win[features.lcd_index];
+
+ printk(KERN_INFO "MINI6410: selected LCD display is %dx%d\n",
+ mini6410_lcd_pdata.win[0]->win_mode.xres,
+ mini6410_lcd_pdata.win[0]->win_mode.yres);
+
+ s3c_nand_set_platdata(&mini6410_nand_info);
+ s3c_fb_set_platdata(&mini6410_lcd_pdata);
+ s3c24xx_ts_set_platdata(&s3c_ts_platform);
+
+ /* configure nCS1 width to 16 bits */
+
+ cs1 = __raw_readl(S3C64XX_SROM_BW) &
+ ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
+ cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
+ (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
+ (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
+ S3C64XX_SROM_BW__NCS1__SHIFT;
+ __raw_writel(cs1, S3C64XX_SROM_BW);
+
+ /* set timing for nCS1 suitable for ethernet chip */
+
+ __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
+ (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
+ (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
+ (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
+ (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
+ (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
+ (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
+
+ gpio_request(S3C64XX_GPF(15), "LCD power");
+ gpio_request(S3C64XX_GPE(0), "LCD power");
+
+ platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices));
+}
+
+MACHINE_START(MINI6410, "MINI6410")
+ /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
+ .boot_params = S3C64XX_PA_SDRAM + 0x100,
+ .init_irq = s3c6410_init_irq,
+ .map_io = mini6410_map_io,
+ .init_machine = mini6410_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 12:32:02 +0100