[U-Boot] [PATCH] powerpc/t1040qds: Initialize EPHY2 clock to RGMII only

From FPGAv9 onwards, new bits added for EPHY2 signal mux.
Setting FPGA register brdcfg9 EPHY2 bits to '0' to initialize EPHY2 clock to RGMII mode.
Signed-off-by: Vijay Rai vijay.rai@freescale.com Signed-off-by: Priyanka Jain Priyanka.Jain@freescale.com Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- 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 3077b4a..1929bba 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 98d2d39..cef8ad0 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
participants (1)
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Vijay Rai