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| author | Mark Jackson <mpfj@mimc.co.uk> | 2008-11-24 12:10:56 +0000 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-02-23 11:13:55 +0100 |
| commit | 80534886a72a0088eef9e781a8e0b7d04ea41f36 (patch) | |
| tree | 29aac9922c3c9e8c49d2409eb224de9dc53c44a3 /board | |
| parent | 7d3921bffb498d065785c17b4a42480db54a2676 (diff) | |
| download | u-boot-imx-80534886a72a0088eef9e781a8e0b7d04ea41f36.zip u-boot-imx-80534886a72a0088eef9e781a8e0b7d04ea41f36.tar.gz u-boot-imx-80534886a72a0088eef9e781a8e0b7d04ea41f36.tar.bz2 | |
MIMC200: tidy GCLK init code
Change the MIMC200 startup code to use the built-in (rather than
hard-coded) funtions for setting up gclk outputs.
We'll also move the code to the new, more-appropriate
board_postclk_init() routine.
Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/mimc/mimc200/mimc200.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c index ec83b9d..62c0943 100644 --- a/board/mimc/mimc200/mimc200.c +++ b/board/mimc/mimc200/mimc200.c @@ -30,8 +30,6 @@ #include <asm/arch/portmux.h> #include <lcd.h> -#define SM_PM_GCCTRL 0x0060 - DECLARE_GLOBAL_DATA_PTR; static const struct sdram_config sdram_config = { @@ -83,10 +81,6 @@ int board_early_init_f(void) portmux_select_gpio(PORTMUX_PORT_C, 1 << 18, PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH); - /* GCLK0 - 10MHz clock */ - writel(0x00000004, (void *)SM_BASE + SM_PM_GCCTRL); - portmux_select_peripheral(PORTMUX_PORT_A, 1 << 30, PORTMUX_FUNC_A, 0); - udelay(5000); /* release phys reset */ @@ -132,6 +126,14 @@ int board_early_init_r(void) return 0; } +int board_postclk_init(void) +{ + /* Use GCLK0 as 10MHz output */ + gclk_enable_output(0, PORTMUX_DRIVE_LOW); + gclk_set_rate(0, GCLK_PARENT_OSC0, 10000000); + return 0; +} + /* SPI chip select control */ #ifdef CONFIG_ATMEL_SPI #include <spi.h> |