diff options
| author | Hou Zhiqiang | 2016-12-09 16:08:59 +0800 |
|---|---|---|
| committer | York Sun | 2017-01-18 09:29:02 -0800 |
| commit | 6424577b1bf1c7872baea42de174bc461de74b6b (patch) | |
| tree | d93f78fdf432486de742f14a0c83dd20061df621 /board | |
| parent | 4394ad1227e5752b13fefa99846cb7073f4dd42b (diff) | |
ls1046ardb: cpld: add API for selecting core volt
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/ls1046ardb/cpld.c | 9 | ||||
| -rw-r--r-- | board/freescale/ls1046ardb/cpld.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/board/freescale/ls1046ardb/cpld.c b/board/freescale/ls1046ardb/cpld.c index 81a646e28ca..c0500f474f6 100644 --- a/board/freescale/ls1046ardb/cpld.c +++ b/board/freescale/ls1046ardb/cpld.c @@ -82,6 +82,15 @@ void cpld_set_sd(void) CPLD_WRITE(system_rst, 1); } + +void cpld_select_core_volt(bool en_0v9) +{ + u8 reg17 = en_0v9; + + CPLD_WRITE(vdd_en, 1); + CPLD_WRITE(vdd_sel, reg17); +} + #ifdef DEBUG static void cpld_dump_regs(void) { diff --git a/board/freescale/ls1046ardb/cpld.h b/board/freescale/ls1046ardb/cpld.h index 458da7e8926..f6a1a61e61f 100644 --- a/board/freescale/ls1046ardb/cpld.h +++ b/board/freescale/ls1046ardb/cpld.h @@ -35,6 +35,7 @@ struct cpld_data { u8 cpld_read(unsigned int reg); void cpld_write(unsigned int reg, u8 value); void cpld_rev_bit(unsigned char *value); +void cpld_select_core_volt(bool en_0v9); #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg)) #define CPLD_WRITE(reg, value) \ |