diff options
Diffstat (limited to 'src/mainboard/bostentech')
| -rw-r--r-- | src/mainboard/bostentech/gbyt4/mainboard.c | 97 |
1 files changed, 3 insertions, 94 deletions
diff --git a/src/mainboard/bostentech/gbyt4/mainboard.c b/src/mainboard/bostentech/gbyt4/mainboard.c index d0131bc2d1..da7106aafb 100644 --- a/src/mainboard/bostentech/gbyt4/mainboard.c +++ b/src/mainboard/bostentech/gbyt4/mainboard.c @@ -1,107 +1,16 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <device/device.h> -#include <console/console.h> -#if CONFIG(VGA_ROM_RUN) -#include <x86emu/x86emu.h> -#endif -#include <arch/interrupt.h> - -#if CONFIG(VGA_ROM_RUN) -static int int15_handler(void) -{ - int res = 1; - - printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", - __func__, X86_AX, X86_BX, X86_CX, X86_DX); - - switch (X86_AX) { - case 0x5f34: - /* - * Set Panel Fitting Hook: - * bit 2 = Graphics Stretching - * bit 1 = Text Stretching - * bit 0 = Centering (do not set with bit1 or bit2) - * 0 = video BIOS default - */ - X86_AX = 0x005f; - X86_CX = 0x0001; - res = 1; - break; - case 0x5f35: - /* - * Boot Display Device Hook: - * bit 0 = CRT - * bit 1 = TV - * bit 2 = EFP (HDMI) - * bit 3 = LFP (eDP)* - * bit 4 = CRT2 - * bit 5 = TV2 - * bit 6 = EFP2 - * bit 7 = LFP2 - */ - X86_AX = 0x005f; - X86_CX = 0x0008; - res = 1; - break; - case 0x5f51: - /* - * Hook to select active LFP configuration: - * 00h = No LVDS, VBIOS does not enable LVDS - * 01h = Int-LVDS, LFP driven by integrated LVDS decoder - * 02h = SVDO-LVDS, LFP driven by SVDO decoder - * 03h = eDP, LFP Driven by Int-DisplayPort encoder - */ - X86_AX = 0x005f; - X86_CX = 0x0003; - res = 1; - break; - case 0x5f70: - switch ((X86_CX >> 8) & 0xff) { - case 0: - /* Get Mux */ - X86_AX = 0x005f; - X86_CX = 0x0000; - res = 1; - break; - case 1: - /* Set Mux */ - X86_AX = 0x005f; - X86_CX = 0x0000; - res = 1; - break; - case 2: - /* Get SG/Non-SG mode */ - X86_AX = 0x005f; - X86_CX = 0x0000; - res = 1; - break; - default: - /* Interrupt was not handled */ - printk(BIOS_DEBUG, - "Unknown INT15 5f70 function: 0x%02x\n", - ((X86_CX >> 8) & 0xff)); - break; - } - break; - - default: - printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); - break; - } - return res; -} -#endif +#include <soc/int15.h> // mainboard_enable is executed as first thing after // enumerate_buses(). static void mainboard_enable(struct device *dev) { -#if CONFIG(VGA_ROM_RUN) /* Install custom int15 handler for VGA OPROM */ - mainboard_interrupt_handlers(0x15, &int15_handler); -#endif + if (CONFIG(VGA_ROM_RUN)) + install_baytrail_vga_int15_handler(); } struct chip_operations mainboard_ops = { |