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Diffstat (limited to 'board/esd/hub405/hub405.c')
-rw-r--r--board/esd/hub405/hub405.c64
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