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authorStefan Roese <sr@denx.de>2007-12-08 14:47:34 +0100
committerStefan Roese <sr@denx.de>2007-12-08 14:47:34 +0100
commit7cfc12a7dcfdb350e2ab76db4dafcc30f7e77c2b (patch)
tree608d58485e7588f6bd3a1361cf4860f2bbcbbabd /board
parenta27044b14a9e93678a82d7b35f202b93e7687abc (diff)
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ppc4xx: 405EX: Correctly enable USB pins
This patch selects the USB data pins in the 405EX GPIO and MFC (multi function control) registers. This is done for the AMCC Kilauea and Makalu eval boards. Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board')
-rw-r--r--board/amcc/kilauea/kilauea.c7
-rw-r--r--board/amcc/makalu/makalu.c9
2 files changed, 16 insertions, 0 deletions
diff --git a/board/amcc/kilauea/kilauea.c b/board/amcc/kilauea/kilauea.c
index 36e9e4a..96c0dd4 100644
--- a/board/amcc/kilauea/kilauea.c
+++ b/board/amcc/kilauea/kilauea.c
@@ -206,6 +206,13 @@ int board_early_init_f (void)
(0x80000000 >> (28 + CFG_NAND_CS));
mtsdr(SDR0_CUST0, val);
+ /*
+ * Configure PFC (Pin Function Control) registers
+ * -> Enable USB
+ */
+ val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+ mtsdr(SDR0_PFC1, val);
+
return 0;
}
diff --git a/board/amcc/makalu/makalu.c b/board/amcc/makalu/makalu.c
index b7933a0..15e51f4 100644
--- a/board/amcc/makalu/makalu.c
+++ b/board/amcc/makalu/makalu.c
@@ -43,6 +43,8 @@ extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
*/
int board_early_init_f (void)
{
+ u32 val;
+
/*--------------------------------------------------------------------+
| Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
+--------------------------------------------------------------------+
@@ -195,6 +197,13 @@ int board_early_init_f (void)
udelay(100);
gpio_write_bit(CFG_GPIO_PCIE_RST, 1);
+ /*
+ * Configure PFC (Pin Function Control) registers
+ * -> Enable USB
+ */
+ val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+ mtsdr(SDR0_PFC1, val);
+
return 0;
}