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UPSTREAM: vexpress: add gfx init
BUG=none
BRANCH=none
TEST=none
Change-Id: I01428c56e7e416f191c07278e1241ef43e7a5d9f
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Commit-Id: 2a59a44416
Original-Change-Id: I0eff29b74d7df331dcbf2c25799eaae4911e54fc
Original-Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Original-Reviewed-on: https://review.coreboot.org/13749
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://chromium-review.googlesource.com/506223
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
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2 changed files with 31 additions and 0 deletions
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@ -27,6 +27,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy
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select DRIVERS_UART_PL011
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select BOOTBLOCK_CONSOLE
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select CONSOLE_SERIAL
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select MAINBOARD_HAS_NATIVE_VGA_INIT
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select MAINBOARD_DO_NATIVE_VGA_INIT
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select ARCH_BOOTBLOCK_ARMV7
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select ARCH_ROMSTAGE_ARMV7
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select ARCH_RAMSTAGE_ARMV7
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@ -20,6 +20,34 @@
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#include <string.h>
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#include <halt.h>
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#include "mainboard.h"
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#include <edid.h>
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static void init_gfx(void)
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{
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volatile uint32_t *pl111;
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struct edid edid;
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/* width is at most 4096 */
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/* height is at most 1024 */
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int width = 800, height = 600;
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uint32_t framebuffer = 0x4c000000;
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pl111 = (uint32_t *) 0x10020000;
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pl111[0] = (width / 4) - 4;
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pl111[1] = height - 1;
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/* registers 2, 3 and 5 are ignored by qemu. Set them correctly if
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we ever go for real hw. */
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/* framebuffer adress offset. Has to be in vram. */
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pl111[4] = framebuffer;
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pl111[7] = 0;
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pl111[10] = 0xff;
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pl111[6] = (5 << 1) | 0x801;
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edid.framebuffer_bits_per_pixel = 32;
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edid.bytes_per_line = width * 4;
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edid.x_resolution = width;
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edid.y_resolution = height;
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set_vbe_mode_info_valid(&edid, framebuffer);
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}
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static void mainboard_enable(device_t dev)
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{
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@ -33,6 +61,7 @@ static void mainboard_enable(device_t dev)
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printk(BIOS_DEBUG, "%d MiB of RAM discovered\n", discovered);
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ram_resource(dev, 0, 0x60000000 >> 10, discovered << 10);
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cbmem_recovery(0);
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init_gfx();
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}
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struct chip_operations mainboard_ops = {
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