diff options
Diffstat (limited to 'src/mainboard/google/pit/mainboard.c')
| -rw-r--r-- | src/mainboard/google/pit/mainboard.c | 121 |
1 files changed, 101 insertions, 20 deletions
diff --git a/src/mainboard/google/pit/mainboard.c b/src/mainboard/google/pit/mainboard.c index 5c67df206d..f25c2a55b2 100644 --- a/src/mainboard/google/pit/mainboard.c +++ b/src/mainboard/google/pit/mainboard.c @@ -17,6 +17,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <string.h> #include <console/console.h> #include <device/device.h> #include <device/i2c.h> @@ -33,7 +34,8 @@ #include <cpu/samsung/exynos5420/gpio.h> #include <cpu/samsung/exynos5420/power.h> #include <cpu/samsung/exynos5420/i2c.h> -#include <cpu/samsung/exynos5420/dp-core.h> +#include <cpu/samsung/exynos5420/dp.h> +#include <cpu/samsung/exynos5420/fimd.h> #include <drivers/parade/ps8625/ps8625.h> #include <ec/google/chromeec/ec.h> #include <stdlib.h> @@ -52,6 +54,64 @@ static struct edid edid = { .bytes_per_line = 2 * 1366 }; +/* from the fdt */ +static struct vidinfo vidinfo = { + .vl_freq = 60, + .vl_col = 1366, + .vl_row = 768, + .vl_width = 1366, + .vl_height = 768, + .vl_clkp = 1, + .vl_dp = 1, + .vl_bpix = 4, + .vl_hspw = 32, + .vl_hbpd = 40, + .vl_hfpd = 40, + .vl_vspw = 6, + .vl_vbpd = 10, + .vl_vfpd = 12, + .vl_cmd_allow_len = 0xf, + .win_id = 3, + .dp_enabled = 1, + .dual_lcd_enabled = 0, + .interface_mode = FIMD_RGB_INTERFACE, +}; + +static unsigned char panel_edid[] = { + 0x00,0xff,0xff,0xff,0xff,0xff,0xff,0x00, + 0x06,0xaf,0x5c,0x31,0x00,0x00,0x00,0x00, + 0x00,0x16,0x01,0x03,0x80,0x1a,0x0e,0x78, + 0x0a,0x99,0x85,0x95,0x55,0x56,0x92,0x28, + 0x22,0x50,0x54,0x00,0x00,0x00,0x01,0x01, + 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, + 0x01,0x01,0x01,0x01,0x01,0x01,0xa3,0x1b, + 0x56,0x7e,0x50,0x00,0x16,0x30,0x30,0x20, + 0x36,0x00,0x00,0x90,0x10,0x00,0x00,0x18, + 0x6d,0x12,0x56,0x7e,0x50,0x00,0x16,0x30, + 0x30,0x20,0x36,0x00,0x00,0x90,0x10,0x00, + 0x00,0x18,0x00,0x00,0x00,0xfe,0x00,0x41, + 0x55,0x4f,0x0a,0x20,0x20,0x20,0x20,0x20, + 0x20,0x20,0x20,0x20,0x00,0x00,0x00,0xfe, + 0x00,0x42,0x31,0x31,0x36,0x58,0x57,0x30, + 0x33,0x20,0x56,0x31,0x20,0x0a,0x00,0x3d, + 0x00,0xc0,0x00,0x00,0x27,0xfd,0x00,0x20, + 0x02,0x59,0x07,0x00,0x64,0x3e,0x07,0x02, + 0x00,0x00,0xcd,0x12,0x59,0xff,0x10,0x03, + 0x00,0x00,0x00,0x00,0x64,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x05,0x00,0x00,0x00, + 0x9c,0x3f,0x07,0x02,0x31,0xf9,0x00,0x20, + 0x59,0xff,0x10,0x03,0x00,0x00,0x00,0x00, + 0xbc,0x3e,0x07,0x02,0xc0,0x9b,0x01,0x20, + 0x00,0x00,0x00,0x00,0xdb,0xf8,0x00,0x20, + 0x98,0x3e,0x07,0x02,0x8b,0xaf,0x00,0x20, + 0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0xe5,0xcd,0x16,0x00,0xe9,0xcd,0x16,0x00, + 0xe8,0x03,0x00,0x00,0x6c,0x55,0x01,0x20, + 0x2c,0x01,0x00,0x00,0x85,0xbb,0x00,0x20, + 0xe8,0x03,0x00,0x00,0xe9,0xcd,0x16,0x00, +}; + static const struct parade_write parade_writes[] = { { 0x02, 0xa1, 0x01 }, /* HPD low */ /* @@ -176,6 +236,8 @@ static enum exynos5_gpio_pin bl_en = GPIO_X22; /* active high */ static void parade_dp_bridge_setup(void) { + int i; + gpio_set_value(dp_pd_l, 1); gpio_cfg_pin(dp_pd_l, GPIO_OUTPUT); gpio_set_pull(dp_pd_l, GPIO_PULL_NONE); @@ -186,6 +248,8 @@ static void parade_dp_bridge_setup(void) udelay(10); gpio_set_value(dp_rst_l, 1); + + gpio_set_pull(dp_hpd, GPIO_PULL_NONE); gpio_cfg_pin(dp_hpd, GPIO_INPUT); /* De-assert PD (and possibly RST) to power up the bridge. */ @@ -199,9 +263,19 @@ static void parade_dp_bridge_setup(void) exynos_pinmux_i2c7(); i2c_init(7, 100000, 0x00); - parade_ps8625_bridge_setup(7, 0x48, - parade_writes, + parade_ps8625_bridge_setup(7, 0x48, parade_writes, ARRAY_SIZE(parade_writes)); + /* Spin until the display is ready. + * It's quite important to try really hard to get the display up, + * so be generous. It will typically be ready in only 5 ms. and + * we're out of here. + * If it's not ready after a second, then we're in big trouble. + */ + for(i = 0; i < 1000; i++){ + if (gpio_get_value(dp_hpd)) + break; + mdelay(1); + } } /* @@ -230,22 +304,17 @@ static void backlight_en(void) gpio_direction_output(bl_en, 1); } -//static struct video_info smdk5420_dp_config = { -static struct video_info dp_video_info = { - /* FIXME: fix video_info struct to use const for name */ - .name = (char *)"eDP-LVDS NXP PTN3460", + +static struct edp_video_info dp_video_info = { + .master_mode = 0, .h_sync_polarity = 0, .v_sync_polarity = 0, .interlaced = 0, - .color_space = COLOR_RGB, .dynamic_range = VESA, .ycbcr_coeff = COLOR_YCBCR601, .color_depth = COLOR_8, - - .link_rate = LINK_RATE_2_70GBPS, - .lane_count = LANE_COUNT2, }; /* FIXME: move some place more appropriate */ @@ -305,14 +374,13 @@ static void backlight_vdd(void) /* this happens after cpu_init where exynos resources are set */ static void mainboard_init(device_t dev) { - struct s5p_dp_device dp_device = { - .base = (struct exynos5_dp *)EXYNOS5420_DP1_BASE, - .video_info = &dp_video_info, - }; + /* we'll stick with the crummy u-boot struct for now.*/ + /* doing this as an auto since the struct has to be writeable */ + struct edp_device_info device_info; + void *fb_addr = (void *)(get_fb_base_kb() * KiB); gpio_init(); - tmu_init(&exynos5420_tmu_info); /* Clock Gating all the unused IP's to save power */ @@ -334,17 +402,30 @@ static void mainboard_init(device_t dev) lcd_vdd(); + /* Start the fimd running before you do the phy and lcd setup. + * why do fimd before training etc? + * because we need a data stream from + * the fimd or the clock recovery step fails. + */ + vidinfo.screen_base = fb_addr; + exynos_fimd_lcd_init(&vidinfo); + parade_dp_bridge_setup(); - dp_controller_init(&dp_device); + + /* this might get more dynamic in future ... */ + memset(&device_info, 0, sizeof(device_info)); + device_info.disp_info.name = (char *)"Pit display"; + device_info.disp_info.h_total = 1366; + device_info.disp_info.v_total = 768; + device_info.video_info = dp_video_info; + device_info.raw_edid = panel_edid; + exynos_init_dp(&device_info); udelay(LCD_T3_DELAY_MS * 1000); backlight_vdd(); backlight_pwm(); backlight_en(); - - // Uncomment to get excessive GPIO output: - // gpio_info(); } #if !CONFIG_DYNAMIC_CBMEM |