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ls1046ardb: cpld: add API for selecting core volt

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Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Hou Zhiqiang
2016-12-09 16:08:59 +08:00
committed by York Sun
parent 4394ad1227
commit 6424577b1b
2 changed files with 10 additions and 0 deletions
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9
board/freescale/ls1046ardb/cpld.c
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@@ -82,6 +82,15 @@ void cpld_set_sd(void)
CPLD_WRITE(system_rst, 1); 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 #ifdef DEBUG
static void cpld_dump_regs(void) static void cpld_dump_regs(void)
{ {

1
board/freescale/ls1046ardb/cpld.h
View File

@@ -35,6 +35,7 @@ struct cpld_data {
u8 cpld_read(unsigned int reg); u8 cpld_read(unsigned int reg);
void cpld_write(unsigned int reg, u8 value); void cpld_write(unsigned int reg, u8 value);
void cpld_rev_bit(unsigned char *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_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
#define CPLD_WRITE(reg, value) \ #define CPLD_WRITE(reg, value) \