[U-Boot] [U-Boot PATCH 3/3] ARM: DRA7-EVM: switch cpsw to use slave0

[Vignesh R]

On DRA72 EVM cpsw slave1 is muxed with VIN, therefore switch cpsw to use
slave0 using pcf driver.
DRA72 has only one cpsw phy(phy#3). Hence, set phy_id to 3 for slave0,
in case of DRA72 EVM.

Signed-off-by: Vignesh R <vigneshr at ti.com>
---
 board/ti/dra7xx/evm.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 65222419ebbd..cc391cb0a065 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -19,6 +19,7 @@
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sata.h>
 #include <environment.h>
+#include <pcf8575.h>
 
 #include "mux_data.h"
 
@@ -31,6 +32,10 @@ DECLARE_GLOBAL_DATA_PTR;
 /* GPIO 7_11 */
 #define GPIO_DDR_VTT_EN 203
 
+/* pcf chip address enet_mux_s0 */
+#define PCF_ENET_MUX_ADDR	0x21
+#define PCF_SEL_ENET_MUX_S0	4
+
 const struct omap_sysinfo sysinfo = {
 	"Board: DRA7xx\n"
 };
@@ -254,8 +259,12 @@ int board_eth_init(bd_t *bis)
 	ctrl_val |= 0x22;
 	writel(ctrl_val, (*ctrl)->control_core_control_io1);
 
-	if (*omap_si_rev == DRA722_ES1_0)
-		cpsw_data.active_slave = 1;
+	if (*omap_si_rev == DRA722_ES1_0) {
+		cpsw_data.active_slave = 0;
+		cpsw_data.slave_data[0].phy_addr = 3;
+		pcf8575_output(PCF_ENET_MUX_ADDR, PCF_SEL_ENET_MUX_S0,
+			       PCF8575_OUT_LOW);
+	}
 
 	ret = cpsw_register(&cpsw_data);
 	if (ret < 0)
-- 
1.9.1