diff options
Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-mini6410.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/mach-mini6410.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index d079ecf23500..441b71a9b19c 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/fb.h> #include <linux/gpio.h> #include <linux/kernel.h> #include <linux/list.h> @@ -28,12 +29,15 @@ #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/cpu.h> #include <plat/devs.h> +#include <plat/fb.h> #include <plat/nand.h> #include <plat/regs-serial.h> @@ -141,26 +145,148 @@ static struct s3c2410_platform_nand mini6410_nand_info = { .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 struct platform_device *mini6410_devices[] __initdata = { &mini6410_device_eth, &s3c_device_hsmmc0, &s3c_device_hsmmc1, &s3c_device_ohci, &s3c_device_nand, + &s3c_device_fb, }; 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); /* configure nCS1 width to 16 bits */ @@ -182,6 +308,9 @@ static void __init mini6410_machine_init(void) (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)); } |