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add-gta02-bring-sd-card-power-up.patch

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Power up the SD Card rail getting ready to start talking to that

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green 2008-11-28 10:16:36 +00:00 committed by Andy Green
parent 9eba09a86f
commit d593873938
1 changed files with 7 additions and 0 deletions
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7
qiboot/src/gta02/gta02.c
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@ -166,6 +166,12 @@ void port_init_gta02(void)
* We have to talk to the PMU a little bit * 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 */ /* push DOWN1 (CPU Core rail) to 1.3V, allowing 400MHz */
i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, 0x1e, 0x1b); 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); *MPLLCON = ((42 << 12) + (1 << 4) + 0);
serial_init_115200_s3c24xx(GTA02_DEBUG_UART, 50 /* 50MHz PCLK */); serial_init_115200_s3c24xx(GTA02_DEBUG_UART, 50 /* 50MHz PCLK */);
} }
/** /**