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board/t2080rdb: reset cs4315 phy

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CS4315 PHY doesn't support phy-reset by software, it
needs to reset it by hardware via CPLD control.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Shengzhou Liu 2015-04-22 10:59:50 +08:00 committed by York Sun
parent 1a56fcea9f
commit fd3a78a538
2 changed files with 10 additions and 0 deletions
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3
board/freescale/t208xrdb/cpld.h
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@ -40,3 +40,6 @@ void cpld_write(unsigned int reg, u8 value);
#define CPLD_LBMAP_RESET 0xFF
#define CPLD_LBMAP_SHIFT 0x03
#define CPLD_BOOT_SEL 0x80
/* RSTCON Register */
#define CPLD_RSTCON_EDC_RST 0x04

7
board/freescale/t208xrdb/t208xrdb.c
View file

@ -107,6 +107,13 @@ unsigned long get_board_ddr_clk(void)
int misc_init_r(void)
{
u8 reg;
/* Reset CS4315 PHY */
reg = CPLD_READ(reset_ctl);
reg |= CPLD_RSTCON_EDC_RST;
CPLD_WRITE(reset_ctl, reg);
return 0;
}