diff options
Diffstat (limited to 'post/board/lwmon5')
| -rw-r--r-- | post/board/lwmon5/dspic.c | 27 | ||||
| -rw-r--r-- | post/board/lwmon5/sysmon.c | 33 |
2 files changed, 36 insertions, 24 deletions
diff --git a/post/board/lwmon5/dspic.c b/post/board/lwmon5/dspic.c index dbaa074..fcbbc60 100644 --- a/post/board/lwmon5/dspic.c +++ b/post/board/lwmon5/dspic.c @@ -59,25 +59,27 @@ int dspic_init_post_test(int flags) #if CONFIG_POST & CFG_POST_BSPEC2 /* Read a register from the dsPIC. */ -int dspic_read(ushort reg) +int dspic_read(ushort reg, ushort *data) { - uchar buf[2]; + uchar buf[sizeof(*data)]; + int rval; - if (i2c_read(CFG_I2C_DSPIC_IO_ADDR, reg, 2, buf, 2)) - return -1; + rval = i2c_read(CFG_I2C_DSPIC_IO_ADDR, reg, sizeof(reg), + buf, sizeof(*data)); - return (uint)((buf[0] << 8) | buf[1]); + *data = (buf[0] << 8) | buf[1]; + + return rval; } /* Verify error codes regs, display version */ int dspic_post_test(int flags) { - int data; + ushort data; int ret = 0; post_log("\n"); - data = dspic_read(DSPIC_VERSION_REG); - if (data == -1) { + if (dspic_read(DSPIC_VERSION_REG, &data)) { post_log("dsPIC : failed read version\n"); ret = 1; } else { @@ -85,16 +87,15 @@ int dspic_post_test(int flags) (data >> 8) & 0xFF, data & 0xFF); } - data = dspic_read(DSPIC_POST_ERROR_REG); - if (data != 0) ret = 1; - if (data == -1) { + if (dspic_read(DSPIC_POST_ERROR_REG, &data)) { post_log("dsPIC : failed read POST code\n"); } else { post_log("dsPIC POST code 0x%04X\n", data); } + if (data != 0) + ret = 1; - data = dspic_read(DSPIC_SYS_ERROR_REG); - if (data == -1) { + if (dspic_read(DSPIC_SYS_ERROR_REG, &data)) { post_log("dsPIC : failed read system error\n"); ret = 1; } else if (data != 0) { diff --git a/post/board/lwmon5/sysmon.c b/post/board/lwmon5/sysmon.c index f7e51a3..b1b81c6 100644 --- a/post/board/lwmon5/sysmon.c +++ b/post/board/lwmon5/sysmon.c @@ -58,7 +58,7 @@ DECLARE_GLOBAL_DATA_PTR; /* from dspic.c */ -extern int dspic_read(ushort reg); +extern int dspic_read(ushort reg, ushort *data); #define RELOC(x) if (x != NULL) x = (void *) ((ulong) (x) + gd->reloc_off) @@ -67,6 +67,7 @@ typedef struct sysmon_table_s sysmon_table_t; static void sysmon_dspic_init (sysmon_t * this); static int sysmon_dspic_read (sysmon_t * this, uint addr); +static int sysmon_dspic_read_sgn (sysmon_t * this, uint addr); static void sysmon_backlight_disable (sysmon_table_t * this); struct sysmon_s @@ -79,9 +80,13 @@ struct sysmon_s static sysmon_t sysmon_dspic = {CFG_I2C_DSPIC_IO_ADDR, sysmon_dspic_init, sysmon_dspic_read}; +static sysmon_t sysmon_dspic_sgn = + {CFG_I2C_DSPIC_IO_ADDR, sysmon_dspic_init, sysmon_dspic_read_sgn}; + static sysmon_t * sysmon_list[] = { &sysmon_dspic, + &sysmon_dspic_sgn, NULL }; @@ -109,17 +114,17 @@ struct sysmon_table_s static sysmon_table_t sysmon_table[] = { - {"Temperature", " C", &sysmon_dspic, NULL, sysmon_backlight_disable, + {"Temperature", " C", &sysmon_dspic_sgn, NULL, sysmon_backlight_disable, 1, 1, -32768, 32767, 0xFFFF, 0x8000-40, 0x8000+85, 0, 0x8000-30, 0x8000+80, 0, 0x12BC}, {"+ 5 V", "V", &sysmon_dspic, NULL, NULL, - 100, 1000, -0x8000, 0x7FFF, 0xFFFF, 0x8000+4750, 0x8000+5250, 0, - 0x8000+4750, 0x8000+5250, 0, 0x12CA}, + 100, 1000, 0, 0xFFFF, 0xFFFF, 4750, 5250, 0, + 4750, 5250, 0, 0x12CA}, {"+ 5 V standby", "V", &sysmon_dspic, NULL, NULL, - 100, 1000, -0x8000, 0x7FFF, 0xFFFF, 0x8000+4750, 0x8000+5250, 0, - 0x8000+4750, 0x8000+5250, 0, 0x12C6}, + 100, 1000, 0, 0xFFFF, 0xFFFF, 4750, 5250, 0, + 4750, 5250, 0, 0x12C6}, }; static int sysmon_table_size = sizeof(sysmon_table) / sizeof(sysmon_table[0]); @@ -156,9 +161,7 @@ static char *sysmon_unit_value (sysmon_table_t *s, uint val) static char buf[32]; char *p, sign; int decimal, frac; - int unit_val; - - unit_val = + int unit_val = s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask; if (val == -1) @@ -194,10 +197,18 @@ static void sysmon_dspic_init (sysmon_t * this) static int sysmon_dspic_read (sysmon_t * this, uint addr) { - int res = dspic_read(addr); + ushort data; + + return (dspic_read(addr, &data)) ? -1 : data; +} + +static int sysmon_dspic_read_sgn (sysmon_t * this, uint addr) +{ + ushort data; /* To fit into the table range we should add 0x8000 */ - return (res == -1) ? -1 : (res + 0x8000); + return (dspic_read(addr, &data)) ? -1 : + (signed short)data + 0x8000; } static void sysmon_backlight_disable (sysmon_table_t * this) |