diff options
| -rw-r--r-- | src/mainboard/thomson/ip1000/mainboard.c | 62 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/i82830_smihandler.c | 8 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/vga.c | 2 |
3 files changed, 70 insertions, 2 deletions
diff --git a/src/mainboard/thomson/ip1000/mainboard.c b/src/mainboard/thomson/ip1000/mainboard.c index f8f775a348..eeac3e3fc9 100644 --- a/src/mainboard/thomson/ip1000/mainboard.c +++ b/src/mainboard/thomson/ip1000/mainboard.c @@ -22,6 +22,9 @@ #include <device/device.h> #include <boot/tables.h> #include <delay.h> +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL +#include <x86emu/x86emu.h> +#endif #include <arch/coreboot_tables.h> #include <arch/io.h> #include "chip.h" @@ -102,6 +105,61 @@ static void flash_gpios(void) } } + +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL +static int int15_handler(void) +{ + u8 display_id; +#define BOOT_DISPLAY_DEFAULT 0 +#define BOOT_DISPLAY_CRT (1 << 0) +#define BOOT_DISPLAY_TV (1 << 1) +#define BOOT_DISPLAY_EFP (1 << 2) +#define BOOT_DISPLAY_LCD (1 << 3) +#define BOOT_DISPLAY_CRT2 (1 << 4) +#define BOOT_DISPLAY_TV2 (1 << 5) +#define BOOT_DISPLAY_EFP2 (1 << 6) +#define BOOT_DISPLAY_LCD2 (1 << 7) + + printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", + __func__, M.x86.R_AX, M.x86.R_BX, M.x86.R_CX, M.x86.R_DX); + + switch (M.x86.R_AX) { + case 0x5f35: /* Boot Display */ + M.x86.R_AX = 0x005f; // Success + // M.x86.R_CL = BOOT_DISPLAY_TV; + M.x86.R_CL = BOOT_DISPLAY_DEFAULT; + break; + case 0x5f36: /* Boot TV Format Hook */ + printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n"); + /* Interrupt was not handled */ + return 0; + case 0x5f31: /* Post Completion Hook */ + case 0x5f33: /* Hook After Mode Set */ + case 0x5f34: /* Set Panel Fitting Hook */ + case 0x5f38: /* Hook Before Mode Set */ + case 0x5f45: /* Hook Before VESA VBE/DDC */ + case 0x5f46: /* Hook Before VESA VBE/PM */ + case 0x5f47: /* Notif Display Switch Hook */ + case 0x5f65: /* Local Memory Initialization Hook */ + /* Interrupt was not handled */ + return 0; + default: + /* Interrupt was not handled */ + return 0; + } + + /* Interrupt handled */ + return 1; +} + +static void int15_install(void) +{ + typedef int (* yabel_handleIntFunc)(void); + extern yabel_handleIntFunc yabel_intFuncArray[256]; + yabel_intFuncArray[0x15] = int15_handler; +} +#endif + static void mainboard_init(device_t dev) { parport_gpios(); @@ -111,6 +169,10 @@ static void mainboard_init(device_t dev) static void mainboard_enable(device_t dev) { dev->ops->init = mainboard_init; +#if CONFIG_PCI_OPTION_ROM_RUN_YABEL + /* Install custom int15 handler for VGA OPROM */ + int15_install(); +#endif } struct chip_operations mainboard_ops = { diff --git a/src/northbridge/intel/i82830/i82830_smihandler.c b/src/northbridge/intel/i82830/i82830_smihandler.c index e53d283b4b..733e624c26 100644 --- a/src/northbridge/intel/i82830/i82830_smihandler.c +++ b/src/northbridge/intel/i82830/i82830_smihandler.c @@ -187,7 +187,7 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) int i, count=0; obj_header->banner.retsts = MSH_IF_NOT_FOUND; - for (i=0; i< mbi_len;) { + for (i=0; i<mbi_len;) { int len; if (!(mbi[i] == 0xf0 && mbi [i+1] == 0xf6)) { @@ -199,6 +199,12 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) len = ALIGN((mbi_header->size * 16) + sizeof(mbi_header) + mbi_header->name_len, 16); if (obj_header->objnum == count) { +#ifdef DEBUG_SMI_I82830 + if (mbi_header->name_len == 0xff) { + printk(BIOS_DEBUG, "| |- corrupt.\n"); + break; + } +#endif int headerlen = ALIGN(sizeof(mbi_header) + mbi_header->name_len + 15, 16); #ifdef DEBUG_SMI_I82830 printk(BIOS_DEBUG, "| |- headerlen = %d\n", headerlen); diff --git a/src/northbridge/intel/i82830/vga.c b/src/northbridge/intel/i82830/vga.c index 37c967414b..66b591b548 100644 --- a/src/northbridge/intel/i82830/vga.c +++ b/src/northbridge/intel/i82830/vga.c @@ -42,7 +42,7 @@ static void vga_init(device_t dev) "type %x\n", file->type, CBFS_TYPE_MBI); } else { mbi = (void *) CBFS_SUBHEADER(file); - mbi_len = file->len; + mbi_len = ntohl(file->len); } } else { printk(BIOS_INFO, "Could not find MBI.\n"); |