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| author | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-18 18:09:24 -0700 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-23 04:41:23 +0200 |
| commit | 2810afa57de26871c99e1c5bb7b3c2fbdcaf4f98 (patch) | |
| tree | 9c547e62c566cfa3953ecd77562df3ef9c357c71 /src/mainboard | |
| parent | 2c88cc0696be2b01ebd4df6f7593d8658c8fe419 (diff) | |
| download | coreboot-2810afa57de26871c99e1c5bb7b3c2fbdcaf4f98.tar.xz | |
GOOGLE/SNOW: get graphics working
This adds support for display bring-up on Snow. It
includes framebuffer initialization and LCD enable functions.
Change-Id: I16e711c97e9d02c916824f621e2313297448732b
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3116
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/snow/Kconfig | 2 | ||||
| -rw-r--r-- | src/mainboard/google/snow/ramstage.c | 36 |
2 files changed, 38 insertions, 0 deletions
diff --git a/src/mainboard/google/snow/Kconfig b/src/mainboard/google/snow/Kconfig index 6d3d7c8bce..c28a98631a 100644 --- a/src/mainboard/google/snow/Kconfig +++ b/src/mainboard/google/snow/Kconfig @@ -33,6 +33,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy select EXYNOS_DISPLAYPORT select CHROMEOS select DRIVER_TI_TPS65090 + select MAINBOARD_HAS_NATIVE_VGA_INIT + select MAINBOARD_DO_NATIVE_VGA_INIT config MAINBOARD_DIR string diff --git a/src/mainboard/google/snow/ramstage.c b/src/mainboard/google/snow/ramstage.c index 54d13d38f4..09b51a79fa 100644 --- a/src/mainboard/google/snow/ramstage.c +++ b/src/mainboard/google/snow/ramstage.c @@ -23,6 +23,7 @@ #include <drivers/ti/tps65090/tps65090.h> #include <cbmem.h> #include <delay.h> +#include <boot/coreboot_tables.h> #include <arch/cache.h> #include <arch/exception.h> #include <arch/gpio.h> @@ -41,6 +42,41 @@ #define DRAM_SIZE CONFIG_DRAM_SIZE_MB #define DRAM_END (DRAM_START + DRAM_SIZE) /* plus one... */ +int vbe_mode_info_valid(void); +int vbe_mode_info_valid(void) +{ + return 1; +} + +void fill_lb_framebuffer(struct lb_framebuffer *framebuffer); +void fill_lb_framebuffer(struct lb_framebuffer *framebuffer) +{ + /* + * The address returned points at the LCD colormap base. The + * 64KiB offset points at the LCD base. + */ + framebuffer->physical_address = + (u32)cbmem_find(CBMEM_ID_CONSOLE) + 64*KiB; + printk(BIOS_SPEW, "%s: framebuffer->physical address is 0x%llx\n", + __func__, framebuffer->physical_address); + + framebuffer->x_resolution = 1366; + framebuffer->y_resolution = 768; + framebuffer->bits_per_pixel = 16; + framebuffer->bytes_per_line = + (framebuffer->x_resolution * framebuffer->bits_per_pixel) / 8; + + framebuffer->red_mask_pos = 11; + framebuffer->red_mask_size = 5; + framebuffer->green_mask_pos = 6; + framebuffer->green_mask_size = 5; + framebuffer->blue_mask_pos = 0; + framebuffer->blue_mask_size = 5; + framebuffer->reserved_mask_pos = 0; + framebuffer->reserved_mask_size = 0; +} + + void hardwaremain(int boot_complete); void main(void) { |