From 7cfc12a7dcfdb350e2ab76db4dafcc30f7e77c2b Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Sat, 8 Dec 2007 14:47:34 +0100 Subject: 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 --- board/amcc/kilauea/kilauea.c | 7 +++++++ board/amcc/makalu/makalu.c | 9 +++++++++ 2 files changed, 16 insertions(+) (limited to 'board') 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; } -- cgit v1.1