From 6424577b1bf1c7872baea42de174bc461de74b6b Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Fri, 9 Dec 2016 16:08:59 +0800 Subject: [PATCH] ls1046ardb: cpld: add API for selecting core volt Signed-off-by: Hou Zhiqiang Reviewed-by: York Sun --- board/freescale/ls1046ardb/cpld.c | 9 +++++++++ board/freescale/ls1046ardb/cpld.h | 1 + 2 files changed, 10 insertions(+) diff --git a/board/freescale/ls1046ardb/cpld.c b/board/freescale/ls1046ardb/cpld.c index 81a646e..c0500f4 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 458da7e..f6a1a61 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) \ -- 2.7.4