ppc/85xx: Convert MPC8572DS to using board common ICS307 code

[u-boot] / board / ti / evm / evm.c

diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c
index 0718a08308afe1488aa5cce53f7bda1c4fb15fa0..9948b9cd30e7742354f31a829ddd6c8c7da25e5e 100644 (file)
--- a/board/ti/evm/evm.c
+++ b/board/ti/evm/evm.c
@@ -37,6 +37,46 @@
 #include <asm/mach-types.h>
 #include "evm.h"
 
+static u8 omap3_evm_version;
+
+u8 get_omap3_evm_rev(void)
+{
+       return omap3_evm_version;
+}
+
+static void omap3_evm_get_revision(void)
+{
+       unsigned int smsc_id;
+
+       /* Ethernet PHY ID is stored at ID_REV register */
+       smsc_id = readl(CONFIG_SMC911X_BASE + 0x50) & 0xFFFF0000;
+       printf("Read back SMSC id 0x%x\n", smsc_id);
+
+       switch (smsc_id) {
+       /* SMSC9115 chipset */
+       case 0x01150000:
+               omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
+               break;
+       /* SMSC 9220 chipset */
+       case 0x92200000:
+       default:
+               omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
+       }
+}
+
+/*
+ * MUSB port on OMAP3EVM Rev >= E requires extvbus programming.
+ */
+u8 omap3_evm_need_extvbus(void)
+{
+       u8 retval = 0;
+
+       if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+               retval = 1;
+
+       return retval;
+}
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -121,6 +161,9 @@ static void setup_net_chip(void)
        writel(GPIO0, &gpio3_base->cleardataout);
        udelay(1);
        writel(GPIO0, &gpio3_base->setdataout);
+
+       /* determine omap3evm revision */
+       omap3_evm_get_revision();
 }
 
 int board_eth_init(bd_t *bis)