Merge branch 'master' of git://git.denx.de/u-boot-arm

[oweals/u-boot.git] / board / logicpd / am3517evm / am3517evm.c

diff --git a/board/logicpd/am3517evm/am3517evm.c b/board/logicpd/am3517evm/am3517evm.c
index 1cabc80b8af8667c51d8ac52bcd3aba72a9201c5..24be6eabfcd2d2b09d93db8ab70ce0df8057e97b 100644 (file)
--- a/board/logicpd/am3517evm/am3517evm.c
+++ b/board/logicpd/am3517evm/am3517evm.c
@@ -22,6 +22,7 @@
 #include <asm/arch/musb.h>
 #include <asm/mach-types.h>
 #include <asm/errno.h>
+#include <asm/gpio.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/musb.h>
@@ -31,6 +32,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define AM3517_IP_SW_RESET     0x48002598
+#define CPGMACSS_SW_RST                (1 << 1)
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -98,14 +102,42 @@ static void am3517_evm_musb_init(void)
  */
 int misc_init_r(void)
 {
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
-       i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+       volatile unsigned int ctr;
+       u32 reset;
+
+#ifdef CONFIG_SYS_I2C_OMAP34XX
+       i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 #endif
 
        dieid_num_r();
 
        am3517_evm_musb_init();
 
+       /* activate PHY reset */
+       gpio_direction_output(30, 0);
+       gpio_set_value(30, 0);
+
+       ctr  = 0;
+       do {
+               udelay(1000);
+               ctr++;
+       } while (ctr < 300);
+
+       /* deactivate PHY reset */
+       gpio_set_value(30, 1);
+
+       /* allow the PHY to stabilize and settle down */
+       ctr = 0;
+       do {
+               udelay(1000);
+               ctr++;
+       } while (ctr < 300);
+
+       /* ensure that the module is out of reset */
+       reset = readl(AM3517_IP_SW_RESET);
+       reset &= (~CPGMACSS_SW_RST);
+       writel(reset,AM3517_IP_SW_RESET);
+
        return 0;
 }
 
@@ -143,4 +175,3 @@ int board_eth_init(bd_t *bis)
        return n;
 }
 #endif
-