diff options
Diffstat (limited to 'board/gateworks/gw_ventana/gsc.c')
| -rw-r--r-- | board/gateworks/gw_ventana/gsc.c | 130 |
1 files changed, 94 insertions, 36 deletions
diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c index a34a9a84c8..718e1651d0 100644 --- a/board/gateworks/gw_ventana/gsc.c +++ b/board/gateworks/gw_ventana/gsc.c @@ -13,8 +13,6 @@ #include "gsc.h" -#define MINMAX(n, percent) ((n)*(100-percent)/100), ((n)*(100+percent)/100) - /* * The Gateworks System Controller will fail to ACK a master transaction if * it is busy, which can occur during its 1HZ timer tick while reading ADC's. @@ -61,9 +59,7 @@ 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, uint low, - uint high) +static void read_hwmon(const char *name, uint reg, uint size) { unsigned char buf[3]; uint ui; @@ -75,59 +71,121 @@ static void read_hwmon(const char *name, uint reg, uint size, uint low, } else { ui = buf[0] | (buf[1]<<8) | (buf[2]<<16); if (ui == 0xffffff) - printf("invalid"); - else if (ui < low) - printf("%d Failed - Low", ui); - else if (ui > high) - printf("%d Failed - High", ui); + puts("invalid\n"); else - printf("%d", ui); + printf("%d\n", ui); } - puts("\n"); } -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); - read_hwmon("Temp", GSC_HWMON_TEMP, 2, 0, 9000); - read_hwmon("VIN", GSC_HWMON_VIN, 3, 8000, 60000); - read_hwmon("VBATT", GSC_HWMON_VBATT, 3, 1800, 3500); - read_hwmon("VDD_3P3", GSC_HWMON_VDD_3P3, 3, MINMAX(3300, 10)); - read_hwmon("VDD_HIGH", GSC_HWMON_VDD_HIGH, 3, MINMAX(3000, 10)); - read_hwmon("VDD_DDR", GSC_HWMON_VDD_DDR, 3, MINMAX(1500, 10)); - read_hwmon("VDD_5P0", GSC_HWMON_VDD_5P0, 3, MINMAX(5000, 10)); - read_hwmon("VDD_2P5", GSC_HWMON_VDD_2P5, 3, MINMAX(2500, 10)); - read_hwmon("VDD_1P8", GSC_HWMON_VDD_1P8, 3, MINMAX(1800, 10)); + 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); + read_hwmon("VDD_3P3", GSC_HWMON_VDD_3P3, 3); + read_hwmon("VDD_ARM", GSC_HWMON_VDD_CORE, 3); + read_hwmon("VDD_SOC", GSC_HWMON_VDD_SOC, 3); + read_hwmon("VDD_HIGH", GSC_HWMON_VDD_HIGH, 3); + read_hwmon("VDD_DDR", GSC_HWMON_VDD_DDR, 3); + read_hwmon("VDD_5P0", GSC_HWMON_VDD_5P0, 3); + read_hwmon("VDD_2P5", GSC_HWMON_VDD_2P5, 3); + read_hwmon("VDD_1P8", GSC_HWMON_VDD_1P8, 3); + read_hwmon("VDD_IO2", GSC_HWMON_VDD_IO2, 3); switch (model[3]) { case '1': /* GW51xx */ - read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1175, 10)); - read_hwmon("VDD_SOC", GSC_HWMON_VDD_SOC, 3, MINMAX(1175, 10)); + read_hwmon("VDD_IO3", GSC_HWMON_VDD_IO4, 3); /* -C rev */ break; case '2': /* GW52xx */ + break; case '3': /* GW53xx */ - read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1175, 10)); - read_hwmon("VDD_SOC", GSC_HWMON_VDD_SOC, 3, MINMAX(1175, 10)); - read_hwmon("VDD_1P0", GSC_HWMON_VDD_1P0, 3, MINMAX(1000, 10)); + read_hwmon("VDD_IO4", GSC_HWMON_VDD_IO4, 3); /* -C rev */ + read_hwmon("VDD_GPS", GSC_HWMON_VDD_IO3, 3); break; case '4': /* GW54xx */ - read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1375, 10)); - read_hwmon("VDD_SOC", GSC_HWMON_VDD_SOC, 3, MINMAX(1375, 10)); - read_hwmon("VDD_1P0", GSC_HWMON_VDD_1P0, 3, MINMAX(1000, 10)); + read_hwmon("VDD_IO3", GSC_HWMON_VDD_IO4, 3); /* -C rev */ + read_hwmon("VDD_GPS", GSC_HWMON_VDD_IO3, 3); break; case '5': /* GW55xx */ - read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1175, 10)); - read_hwmon("VDD_SOC", GSC_HWMON_VDD_SOC, 3, MINMAX(1175, 10)); break; } 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 */ |
