diff options
| -rw-r--r-- | util/flashrom/board_enable.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/util/flashrom/board_enable.c b/util/flashrom/board_enable.c index 907774d9d4..da5043f30f 100644 --- a/util/flashrom/board_enable.c +++ b/util/flashrom/board_enable.c @@ -28,6 +28,7 @@ #include <pci/pci.h> #include <stdint.h> #include <string.h> +#include <fcntl.h> #include "flash.h" /* @@ -368,12 +369,77 @@ static int board_acorp_6a815epd(const char *name) } /** + * Suited for Artec Group DBE61 and DBE62. + */ +static int board_artecgroup_dbe6x(const char *name) +{ +#define DBE6x_MSR_DIVIL_BALL_OPTS 0x51400015 +#define DBE6x_PRI_BOOT_LOC_SHIFT (2) +#define DBE6x_BOOT_OP_LATCHED_SHIFT (8) +#define DBE6x_SEC_BOOT_LOC_SHIFT (10) +#define DBE6x_PRI_BOOT_LOC (3 << DBE6x_PRI_BOOT_LOC_SHIFT) +#define DBE6x_BOOT_OP_LATCHED (3 << DBE6x_BOOT_OP_LATCHED_SHIFT) +#define DBE6x_SEC_BOOT_LOC (3 << DBE6x_SEC_BOOT_LOC_SHIFT) +#define DBE6x_BOOT_LOC_FLASH (2) +#define DBE6x_BOOT_LOC_FWHUB (3) + + unsigned long msr[2]; + int msr_fd; + unsigned long boot_loc; + + msr_fd = open("/dev/cpu/0/msr", O_RDWR); + if (msr_fd == -1) { + perror("open /dev/cpu/0/msr"); + return -1; + } + + if (lseek(msr_fd, DBE6x_MSR_DIVIL_BALL_OPTS, SEEK_SET) == -1) { + perror("lseek"); + close(msr_fd); + return -1; + } + + if (read(msr_fd, (void*) msr, 8) != 8) { + perror("read"); + close(msr_fd); + return -1; + } + + if ((msr[0] & (DBE6x_BOOT_OP_LATCHED)) == + (DBE6x_BOOT_LOC_FWHUB << DBE6x_BOOT_OP_LATCHED_SHIFT)) + boot_loc = DBE6x_BOOT_LOC_FWHUB; + else + boot_loc = DBE6x_BOOT_LOC_FLASH; + + msr[0] &= ~(DBE6x_PRI_BOOT_LOC | DBE6x_SEC_BOOT_LOC); + msr[0] |= ((boot_loc << DBE6x_PRI_BOOT_LOC_SHIFT) | + (boot_loc << DBE6x_SEC_BOOT_LOC_SHIFT)); + + if (lseek(msr_fd, DBE6x_MSR_DIVIL_BALL_OPTS, SEEK_SET) == -1) { + perror("lseek"); + close(msr_fd); + return -1; + } + + if (write(msr_fd, (void*) msr, 8) != 8) { + perror("write"); + close(msr_fd); + return -1; + } + + close(msr_fd); + return 0; +} + +/** * We use 2 sets of IDs here, you're free to choose which is which. This * is to provide a very high degree of certainty when matching a board on * the basis of subsystem/card IDs. As not every vendor handles * subsystem/card IDs in a sane manner. * * Keep the second set NULLed if it should be ignored. + * + * Keep the subsystem IDs NULLed if they don't identify the board fully. */ struct board_pciid_enable { /* Any device, but make it sensible, like the ISA bridge. */ @@ -427,6 +493,10 @@ struct board_pciid_enable board_pciid_enables[] = { "epox", "ep-bx3", "EPoX EP-BX3", board_epox_ep_bx3}, {0x8086, 0x1130, 0x0000, 0x0000, 0x105a, 0x0d30, 0x105a, 0x4d33, "acorp", "6a815epd", "Acorp 6A815EPD", board_acorp_6a815epd}, + {0x1022, 0x2090, 0x0000, 0x0000, 0x1022, 0x2080, 0x0000, 0x0000, + "artecgroup", "dbe61", "Artec Group DBE61", board_artecgroup_dbe6x}, + {0x1022, 0x2090, 0x0000, 0x0000, 0x1022, 0x2080, 0x0000, 0x0000, + "artecgroup", "dbe62", "Artec Group DBE62", board_artecgroup_dbe6x}, {0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL} /* Keep this */ }; |