Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13749
-gerrit
commit 5fb13227e9b8daf1cd7c0170595adcfe90eae9bc Author: Vladimir Serbinenko phcoder@gmail.com Date: Fri Feb 19 15:21:49 2016 +0100
vexpress: add primitive RAM map and gfx init
Change-Id: I0eff29b74d7df331dcbf2c25799eaae4911e54fc Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/mainboard/emulation/qemu-armv7/Kconfig | 2 ++ src/mainboard/emulation/qemu-armv7/mainboard.c | 48 ++++++++++++++++++++++++++ 2 files changed, 50 insertions(+)
diff --git a/src/mainboard/emulation/qemu-armv7/Kconfig b/src/mainboard/emulation/qemu-armv7/Kconfig index bb13e98..78b7f49 100644 --- a/src/mainboard/emulation/qemu-armv7/Kconfig +++ b/src/mainboard/emulation/qemu-armv7/Kconfig @@ -27,6 +27,8 @@ config BOARD_SPECIFIC_OPTIONS # dummy select DRIVERS_UART_PL011 select BOOTBLOCK_CONSOLE select CONSOLE_SERIAL + select MAINBOARD_HAS_NATIVE_VGA_INIT + select MAINBOARD_DO_NATIVE_VGA_INIT select ARCH_BOOTBLOCK_ARMV7 select ARCH_ROMSTAGE_ARMV7 select ARCH_RAMSTAGE_ARMV7 diff --git a/src/mainboard/emulation/qemu-armv7/mainboard.c b/src/mainboard/emulation/qemu-armv7/mainboard.c new file mode 100644 index 0000000..632f11f --- /dev/null +++ b/src/mainboard/emulation/qemu-armv7/mainboard.c @@ -0,0 +1,48 @@ +#include <console/console.h> +#include <device/device.h> +#include <cbmem.h> +#include <string.h> +#include <edid.h> + +static void init_gfx(void) +{ + volatile uint32_t *pl111; + struct edid edid; + /* width is at most 4096 */ + /* height is at most 1024 */ + int width = 800, height = 600; + uint32_t framebuffer = 0x4c000000; + pl111 = (uint32_t *) 0x10020000; + pl111[0] = (width / 4) - 4; + pl111[1] = height - 1; + /* registers 2, 3 and 5 are ignored by qemu. Set them correctly if + we ever go for real hw. */ + /* framebuffer adress offset. Has to be in vram. */ + pl111[4] = framebuffer; + pl111[7] = 0; + pl111[10] = 0xff; + pl111[6] = (5 << 1) | 0x801; + + edid.framebuffer_bits_per_pixel = 32; + edid.bytes_per_line = width * 4; + edid.x_resolution = width; + edid.y_resolution = height; + + set_vbe_mode_info_valid(&edid, framebuffer); +} + +static void mainboard_enable(device_t dev) +{ + if (!dev) { + printk(BIOS_EMERG, "No dev0; die\n"); + while (1); + } + + ram_resource(dev, 0, 0x60000000 >> 10, 32768); + cbmem_recovery(0); + init_gfx(); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +};