diff options
Diffstat (limited to 'board/gateworks/gw_ventana/gsc.c')
| -rw-r--r-- | board/gateworks/gw_ventana/gsc.c | 80 |
1 files changed, 74 insertions, 6 deletions
diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c index a62f128..718e165 100644 --- a/board/gateworks/gw_ventana/gsc.c +++ b/board/gateworks/gw_ventana/gsc.c @@ -59,7 +59,6 @@ int gsc_i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len) return ret; } -#ifdef CONFIG_CMD_GSC static void read_hwmon(const char *name, uint reg, uint size) { unsigned char buf[3]; @@ -78,11 +77,29 @@ static void read_hwmon(const char *name, uint reg, uint size) } } -int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int gsc_info(int verbose) { const char *model = getenv("model"); + unsigned char buf[16]; i2c_set_bus_num(0); + if (gsc_i2c_read(GSC_SC_ADDR, 0, 1, buf, 16)) + return CMD_RET_FAILURE; + + printf("GSC: v%d", buf[GSC_SC_FWVER]); + printf(" 0x%04x", buf[GSC_SC_FWCRC] | buf[GSC_SC_FWCRC+1]<<8); + printf(" WDT:%sabled", (buf[GSC_SC_CTRL1] & (1<<GSC_SC_CTRL1_WDEN)) + ? "en" : "dis"); + if (buf[GSC_SC_STATUS] & (1 << GSC_SC_IRQ_WATCHDOG)) { + buf[GSC_SC_STATUS] &= ~(1 << GSC_SC_IRQ_WATCHDOG); + puts(" WDT_RESET"); + gsc_i2c_write(GSC_SC_ADDR, GSC_SC_STATUS, 1, + &buf[GSC_SC_STATUS], 1); + } + puts("\n"); + if (!verbose) + return CMD_RET_SUCCESS; + read_hwmon("Temp", GSC_HWMON_TEMP, 2); read_hwmon("VIN", GSC_HWMON_VIN, 3); read_hwmon("VBATT", GSC_HWMON_VBATT, 3); @@ -115,9 +132,60 @@ int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } -U_BOOT_CMD(gsc, 1, 1, do_gsc, - "GSC test", - "" -); +#ifdef CONFIG_CMD_GSC +static int do_gsc_wd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned char reg; + + if (argc < 2) + return CMD_RET_USAGE; + + if (strcasecmp(argv[1], "enable") == 0) { + int timeout = 0; + + if (argc > 2) + timeout = simple_strtoul(argv[2], NULL, 10); + i2c_set_bus_num(0); + if (gsc_i2c_read(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) + return CMD_RET_FAILURE; + reg &= ~((1 << GSC_SC_CTRL1_WDEN) | (1 << GSC_SC_CTRL1_WDTIME)); + if (timeout == 60) + reg |= (1 << GSC_SC_CTRL1_WDTIME); + else + timeout = 30; + reg |= (1 << GSC_SC_CTRL1_WDEN); + if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) + return CMD_RET_FAILURE; + printf("GSC Watchdog enabled with timeout=%d seconds\n", + timeout); + } else if (strcasecmp(argv[1], "disable") == 0) { + i2c_set_bus_num(0); + if (gsc_i2c_read(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) + return CMD_RET_FAILURE; + reg &= ~((1 << GSC_SC_CTRL1_WDEN) | (1 << GSC_SC_CTRL1_WDTIME)); + if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, ®, 1)) + return CMD_RET_FAILURE; + printf("GSC Watchdog disabled\n"); + } else { + return CMD_RET_USAGE; + } + return CMD_RET_SUCCESS; +} + +static int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + if (argc < 2) + return gsc_info(1); + + if (strcasecmp(argv[1], "wd") == 0) + return do_gsc_wd(cmdtp, flag, --argc, ++argv); + + return CMD_RET_USAGE; +} + +U_BOOT_CMD( + gsc, 4, 1, do_gsc, "GSC configuration", + "[wd enable [30|60]]|[wd disable]\n" + ); #endif /* CONFIG_CMD_GSC */ |