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| author | Lily Zhang <r58066@freescale.com> | 2011-05-16 18:09:45 +0800 |
|---|---|---|
| committer | Lily Zhang <r58066@freescale.com> | 2011-05-16 19:25:12 +0800 |
| commit | a13df91f7df050a824cb5960b11584b8c467d614 (patch) | |
| tree | 56f08b6ceb2ba3ff088933de2559bf6fed63874d | |
| parent | 265932797ce1006ce0cb14960e70f7670ab73b25 (diff) | |
| download | u-boot-imx-a13df91f7df050a824cb5960b11584b8c467d614.zip u-boot-imx-a13df91f7df050a824cb5960b11584b8c467d614.tar.gz u-boot-imx-a13df91f7df050a824cb5960b11584b8c467d614.tar.bz2 | |
ENGR00143461 mx51 evk: increase VDDGP as 1.1v for 800MHZ
The default VDDGP output voltage is 1.05V in mx51 evk board
According to mx51 datasheet (Rev 0.4), the VDDGP for 800MHZ
should be 1.1v for 800MHZ
Signed-off-by: Lily Zhang <r58066@freescale.com>
| -rw-r--r-- | board/freescale/mx51_bbg/mx51_bbg.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/board/freescale/mx51_bbg/mx51_bbg.c b/board/freescale/mx51_bbg/mx51_bbg.c index 400d520..8508d3b 100644 --- a/board/freescale/mx51_bbg/mx51_bbg.c +++ b/board/freescale/mx51_bbg/mx51_bbg.c @@ -666,6 +666,11 @@ static void setup_core_voltage_spi(void) writel(0x0, CCM_BASE_ADDR + CLKCTL_CACRR); } else { /* TO 3.0 */ + /* Set core voltage to 1.1V */ + val = pmic_reg(slave, 24, 0, 0); + val = (val & (~0x1f)) | 0x14; + pmic_reg(slave, 24, val, 1); + /* Setup VCC (SW2) to 1.225 */ val = pmic_reg(slave, 25, 0, 0); val = (val & (~0x1f)) | 0x19; |