From 6666017f44e39ec0385e3c7736b8c9af46cf4f08 Mon Sep 17 00:00:00 2001 From: vijay rai Date: Fri, 20 Jun 2014 10:45:29 +0530 Subject: [PATCH] powerpc/t1040qds: Initialize EPHY2 clock to RGMII only Setting FPGA register brdcfg9 EPHY2 bits to '0' to initialize EPHY2 clock to RGMII mode. Signed-off-by: Vijay Rai Signed-off-by: Priyanka Jain Signed-off-by: Prabhakar Kushwaha Reviewed-by: York Sun --- board/freescale/t1040qds/eth.c | 4 +++- board/freescale/t1040qds/t1040qds_qixis.h | 4 ++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/board/freescale/t1040qds/eth.c b/board/freescale/t1040qds/eth.c index 3077b4ae2c..1929bba20b 100644 --- a/board/freescale/t1040qds/eth.c +++ b/board/freescale/t1040qds/eth.c @@ -355,7 +355,9 @@ static void set_brdcfg9_for_gtx_clk(void) { u8 brdcfg9; brdcfg9 = QIXIS_READ(brdcfg[9]); - brdcfg9 |= (1 << 5); +/* Initializing EPHY2 clock to RGMII mode */ + brdcfg9 &= ~(BRDCFG9_EPHY2_MASK); + brdcfg9 |= (BRDCFG9_EPHY2_VAL); QIXIS_WRITE(brdcfg[9], brdcfg9); } diff --git a/board/freescale/t1040qds/t1040qds_qixis.h b/board/freescale/t1040qds/t1040qds_qixis.h index 98d2d39e6d..cef8ad0bfa 100644 --- a/board/freescale/t1040qds/t1040qds_qixis.h +++ b/board/freescale/t1040qds/t1040qds_qixis.h @@ -17,6 +17,10 @@ #define BRDCFG5_IMX_MASK 0xC0 #define BRDCFG5_IMX_DIU 0x80 +/* BRDCFG9[2] controls EPHY2 Clock */ +#define BRDCFG9_EPHY2_MASK 0x20 +#define BRDCFG9_EPHY2_VAL 0x00 + /* BRDCFG15[3] controls LCD Panel Powerdown*/ #define BRDCFG15_LCDPD_MASK 0x10 #define BRDCFG15_LCDPD_ENABLED 0x00 -- 2.25.1