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Diffstat (limited to 'board/keymile/km_arm/km_arm.c')
-rw-r--r--board/keymile/km_arm/km_arm.c55
1 files changed, 43 insertions, 12 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index 6ef5e5da12..ca33aaec53 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -207,8 +207,14 @@ int misc_init_r(void)
if (wait_for_ne != NULL) {
if (strcmp(wait_for_ne, "true") == 0) {
int cnt = 0;
+ int abort = 0;
puts("NE go: ");
while (startup_allowed() == 0) {
+ if (tstc()) {
+ (void) getc(); /* consume input */
+ abort = 1;
+ break;
+ }
udelay(200000);
cnt++;
if (cnt == 5)
@@ -218,7 +224,10 @@ int misc_init_r(void)
puts(" \b\b\b\b");
}
}
- puts("OK\n");
+ if (abort == 1)
+ printf("\nAbort waiting for ne\n");
+ else
+ puts("OK\n");
}
}
#endif
@@ -258,17 +267,17 @@ int board_early_init_f(void)
kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38);
kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1);
#endif
-
+#if defined(CONFIG_KM_RECONFIG_XLX)
+ /* trigger the reconfiguration of the xilinx fpga */
+ kw_gpio_set_valid(KM_XLX_PROGRAM_B_PIN, 1);
+ kw_gpio_direction_output(KM_XLX_PROGRAM_B_PIN, 0);
+ kw_gpio_direction_input(KM_XLX_PROGRAM_B_PIN);
+#endif
return 0;
}
int board_init(void)
{
- /*
- * arch number of board
- */
- gd->bd->bi_arch_number = MACH_TYPE_KM_KIRKWOOD;
-
/* address of boot parameters */
gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
@@ -396,6 +405,15 @@ int hush_init_var(void)
#endif
#if defined(CONFIG_BOOTCOUNT_LIMIT)
+const ulong patterns[] = { 0x00000000,
+ 0xFFFFFFFF,
+ 0xFF00FF00,
+ 0x0F0F0F0F,
+ 0xF0F0F0F0};
+const ulong NBR_OF_PATTERNS = sizeof(patterns)/sizeof(*patterns);
+const ulong OFFS_PATTERN = 3;
+const ulong REPEAT_PATTERN = 1000;
+
void bootcount_store(ulong a)
{
volatile ulong *save_addr;
@@ -407,21 +425,34 @@ void bootcount_store(ulong a)
save_addr = (ulong*)(size - BOOTCOUNT_ADDR);
writel(a, save_addr);
writel(BOOTCOUNT_MAGIC, &save_addr[1]);
+
+ for (i = 0; i < REPEAT_PATTERN; i++)
+ writel(patterns[i % NBR_OF_PATTERNS],
+ &save_addr[i+OFFS_PATTERN]);
+
}
ulong bootcount_load(void)
{
volatile ulong *save_addr;
volatile ulong size = 0;
- int i;
+ ulong counter = 0;
+ int i, tmp;
+
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
size += gd->bd->bi_dram[i].size;
}
save_addr = (ulong*)(size - BOOTCOUNT_ADDR);
- if (readl(&save_addr[1]) != BOOTCOUNT_MAGIC)
- return 0;
- else
- return readl(save_addr);
+
+ counter = readl(&save_addr[0]);
+
+ /* Is the counter reliable, check in the big pattern for bit errors */
+ for (i = 0; (i < REPEAT_PATTERN) && (counter != 0); i++) {
+ tmp = readl(&save_addr[i+OFFS_PATTERN]);
+ if (tmp != patterns[i % NBR_OF_PATTERNS])
+ counter = 0;
+ }
+ return counter;
}
#endif
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