diff options
| -rw-r--r-- | board_enable.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/board_enable.c b/board_enable.c index 10a4a24..9993c58 100644 --- a/board_enable.c +++ b/board_enable.c @@ -693,6 +693,73 @@ static int board_soyo_sy_7vca(const char *name) } /** + * Find the runtime registers of an SMSC Super I/O, after verifying its + * chip ID. + * + * Returns the base port of the runtime register block, or 0 on error. + */ +static uint16_t smsc_find_runtime(uint16_t sio_port, uint16_t chip_id, + uint8_t logical_device) +{ + uint16_t rt_port = 0; + + /* Verify the chip ID. */ + OUTB(0x55, sio_port); /* enable configuration */ + if (sio_read(sio_port, 0x20) != chip_id) { + fprintf(stderr, "\nERROR: SMSC super I/O not found.\n"); + goto out; + } + + /* If the runtime block is active, get its address. */ + sio_write(sio_port, 0x07, logical_device); + if (sio_read(sio_port, 0x30) & 1) { + rt_port = (sio_read(sio_port, 0x60) << 8) + | sio_read(sio_port, 0x61); + } + + if (rt_port == 0) { + fprintf(stderr, "\nERROR: " + "Super I/O runtime interface not available.\n"); + } +out: + OUTB(0xaa, sio_port); /* disable configuration */ + return rt_port; +} + +/** + * Disable write protection on the Mitac 6513WU. WP# on the FWH is + * connected to GP30 on the Super I/O, and TBL# is always high. + */ +static int board_mitac_6513wu(const char *name) +{ + struct pci_dev *dev; + uint16_t rt_port; + uint8_t val; + + dev = pci_dev_find(0x8086, 0x2410); /* Intel 82801AA ISA bridge */ + if (!dev) { + fprintf(stderr, "\nERROR: Intel 82801AA ISA bridge not found.\n"); + return -1; + } + + rt_port = smsc_find_runtime(0x4e, 0x54, 0xa); + if (rt_port == 0) + return -1; + + /* Configure the GPIO pin. */ + val = INB(rt_port + 0x33); /* GP30 config */ + val &= ~0x87; /* output, non-inverted, GPIO, push/pull */ + OUTB(val, rt_port + 0x33); + + /* Disable write protection. */ + val = INB(rt_port + 0x4d); /* GP3 values */ + val |= 0x01; /* set GP30 high */ + OUTB(val, rt_port + 0x4d); + + 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 @@ -742,6 +809,7 @@ struct board_pciid_enable board_pciid_enables[] = { /* Note: There are >= 2 version of the Kontron 986LCD-M/mITX! */ {0x8086, 0x27b8, 0, 0, 0, 0, 0, 0, "kontron", "986lcd-m", "Kontron", "986LCD-M", board_kontron_986lcd_m}, {0x10ec, 0x8168, 0x10ec, 0x8168, 0x104c, 0x8023, 0x104c, 0x8019, "kontron", "986lcd-m", "Kontron", "986LCD-M", board_kontron_986lcd_m}, + {0x8086, 0x2411, 0x8086, 0x2411, 0x8086, 0x7125, 0x0e11, 0xb165, NULL, NULL, "Mitac", "6513WU", board_mitac_6513wu}, {0x10de, 0x005e, 0, 0, 0, 0, 0, 0, "msi", "k8n-neo3", "MSI", "MS-7135 (K8N Neo3)", w83627thf_gpio4_4_raise_4e}, {0x1106, 0x3149, 0x1462, 0x7094, 0x10ec, 0x8167, 0x1462, 0x094c, NULL, NULL, "MSI", "MS-6702E (K8T Neo2-F)",w83627thf_gpio4_4_raise_2e}, {0x1106, 0x0571, 0x1462, 0x7120, 0, 0, 0, 0, "msi", "kt4v", "MSI", "MS-6712 (KT4V)", board_msi_kt4v}, |
