[PATCH 7/9] add-gta02-bring-sd-card-power-up.patch
Andy Green
andy at openmoko.com
Tue Aug 19 16:56:38 CEST 2008
Power up the SD Card rail getting ready to start talking to that
Signed-off-by: Andy Green <andy at openmoko.com>
---
src/gta02/gta02.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/src/gta02/gta02.c b/src/gta02/gta02.c
index 6a2516d..0185349 100644
--- a/src/gta02/gta02.c
+++ b/src/gta02/gta02.c
@@ -166,6 +166,12 @@ void port_init_gta02(void)
* We have to talk to the PMU a little bit
*/
+ /* We need SD Card rail (HCLDO) at 3.0V */
+ i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, 0x39, 21);
+
+ /* switch HCLDO on */
+ i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, 0x3a, 1);
+
/* push DOWN1 (CPU Core rail) to 1.3V, allowing 400MHz */
i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, 0x1e, 0x1b);
@@ -189,6 +195,7 @@ void port_init_gta02(void)
*MPLLCON = ((42 << 12) + (1 << 4) + 0);
serial_init_115200_s3c24xx(GTA02_DEBUG_UART, 50 /* 50MHz PCLK */);
+
}
/**
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