diff options
Diffstat (limited to 'board/esd/hub405/hub405.c')
| -rw-r--r-- | board/esd/hub405/hub405.c | 64 |
1 files changed, 61 insertions, 3 deletions
diff --git a/board/esd/hub405/hub405.c b/board/esd/hub405/hub405.c index 4bc3246..bbd8555 100644 --- a/board/esd/hub405/hub405.c +++ b/board/esd/hub405/hub405.c @@ -30,6 +30,47 @@ extern void lxt971_no_sleep(void); +int board_revision(void) +{ + unsigned long osrl_reg; + unsigned long isr1l_reg; + unsigned long tcr_reg; + unsigned long value; + + /* + * Get version of HUB405 board from GPIO's + */ + + /* + * Setup GPIO pin(s) (IRQ6/GPIO23) + */ + osrl_reg = in32(GPIO0_OSRH); + isr1l_reg = in32(GPIO0_ISR1H); + tcr_reg = in32(GPIO0_TCR); + out32(GPIO0_OSRH, osrl_reg & ~0x00030000); /* output select */ + out32(GPIO0_ISR1H, isr1l_reg | 0x00030000); /* input select */ + out32(GPIO0_TCR, tcr_reg & ~0x00000100); /* select input */ + + udelay(1000); /* wait some time before reading input */ + value = in32(GPIO0_IR) & 0x00000100; /* get config bits */ + + /* + * Restore GPIO settings + */ + out32(GPIO0_OSRH, osrl_reg); /* output select */ + out32(GPIO0_ISR1H, isr1l_reg); /* input select */ + out32(GPIO0_TCR, tcr_reg); /* enable output driver for outputs */ + + if (value & 0x00000100) { + /* Revision 1.1 or 1.2 detected */ + return 1; + } + + /* Revision 1.0 */ + return 0; +} + + int board_early_init_f (void) { /* @@ -69,6 +110,8 @@ int misc_init_f (void) int misc_init_r (void) { + DECLARE_GLOBAL_DATA_PTR; + volatile unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4); volatile unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4); volatile unsigned char *duart2_mcr = (unsigned char *)((ulong)DUART2_BA + 4); @@ -77,6 +120,7 @@ int misc_init_r (void) unsigned long val; int delay, flashcnt; char *str; + char hw_rev[4]; /* * Enable interrupts in exar duart mcr[3] @@ -121,14 +165,14 @@ int misc_init_r (void) */ str = getenv("bd_type"); /* this is only set on non prototype hardware */ if (str != NULL) { - if ((strcmp(str, "swch405") == 0) || (strcmp(str, "hub405") == 0)) { + if ((strcmp(str, "swch405") == 0) || ((!strcmp(str, "hub405") && (gd->board_type >= 1)))) { unsigned char led_reg_default = 0; str = getenv("ap_pwr"); if (!str || (str && (str[0] == '1'))) led_reg_default = 0x04 | 0x02 ; /* U2_LED | AP_PWR */ /* - * Flash LEDs on SWCH405 + * Flash LEDs */ for (flashcnt = 0; flashcnt < 3; flashcnt++) { *led_reg = led_reg_default; /* LED_A..D off */ @@ -150,6 +194,11 @@ int misc_init_r (void) out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */ udelay(1000); /* wait 1ms */ + /* + * Store hardware revision in environment for further processing + */ + sprintf(hw_rev, "1.%ld", gd->board_type); + setenv("hw_rev", hw_rev); return (0); } @@ -159,6 +208,8 @@ int misc_init_r (void) */ int checkboard (void) { + DECLARE_GLOBAL_DATA_PTR; + unsigned char str[64]; int i = getenv_r ("serial#", str, sizeof(str)); @@ -170,7 +221,14 @@ int checkboard (void) puts(str); } - putc ('\n'); + if (getenv_r("bd_type", str, sizeof(str)) != -1) { + printf(" (%s", str); + } else { + puts(" (Missing bd_type!"); + } + + gd->board_type = board_revision(); + printf(", Rev 1.%ld)\n", gd->board_type); /* * Disable sleep mode in LXT971 |