From 5cb525f3d205d6696c4a42d5bfb9ec8c73543091 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@gmail.com>
Date: Tue, 20 Dec 2011 06:42:29 +0000
Subject: [PATCH] mx28: Let imx_get_mac_from_fuse be common for mx28
Let imx_get_mac_from_fuse function be a common function, so that other
mx28 boards can reuse it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
---
arch/arm/cpu/arm926ejs/mx28/mx28.c | 46 ++++++++++++++++++++++++++++++
board/denx/m28evk/m28evk.c | 35 -----------------------
2 files changed, 46 insertions(+), 35 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c
index 088c019b7b..ad4fabd309 100644
--- a/arch/arm/cpu/arm926ejs/mx28/mx28.c
+++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c
@@ -214,6 +214,52 @@ int cpu_eth_init(bd_t *bis)
}
#endif
+static void __mx28_adjust_mac(int dev_id, unsigned char *mac)
+{
+ mac[0] = 0x00;
+ mac[1] = 0x04; /* Use FSL vendor MAC address by default */
+
+ if (dev_id == 1) /* Let MAC1 be MAC0 + 1 by default */
+ mac[5] += 1;
+}
+
+void mx28_adjust_mac(int dev_id, unsigned char *mac)
+ __attribute__((weak, alias("__mx28_adjust_mac")));
+
+#ifdef CONFIG_MX28_FEC_MAC_IN_OCOTP
+
+#define MXS_OCOTP_MAX_TIMEOUT 1000000
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ struct mx28_ocotp_regs *ocotp_regs =
+ (struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
+ uint32_t data;
+
+ memset(mac, 0, 6);
+
+ writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
+
+ if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
+ MXS_OCOTP_MAX_TIMEOUT)) {
+ printf("MXS FEC: Can't get MAC from OCOTP\n");
+ return;
+ }
+
+ data = readl(&ocotp_regs->hw_ocotp_cust0);
+
+ mac[2] = (data >> 24) & 0xff;
+ mac[3] = (data >> 16) & 0xff;
+ mac[4] = (data >> 8) & 0xff;
+ mac[5] = data & 0xff;
+ mx28_adjust_mac(dev_id, mac);
+}
+#else
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ memset(mac, 0, 6);
+}
+#endif
+
U_BOOT_CMD(
clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks,
"display clocks",
diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
index a0fabc0bae..005446ab02 100644
--- a/board/denx/m28evk/m28evk.c
+++ b/board/denx/m28evk/m28evk.c
@@ -178,39 +178,4 @@ int board_eth_init(bd_t *bis)
return ret;
}
-#ifdef CONFIG_M28_FEC_MAC_IN_OCOTP
-
-#define MXS_OCOTP_MAX_TIMEOUT 1000000
-void imx_get_mac_from_fuse(int dev_id, char *mac)
-{
- struct mx28_ocotp_regs *ocotp_regs =
- (struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
- uint32_t data;
-
- memset(mac, 0, 6);
-
- writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
-
- if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
- MXS_OCOTP_MAX_TIMEOUT)) {
- printf("MXS FEC: Can't get MAC from OCOTP\n");
- return;
- }
-
- data = readl(&ocotp_regs->hw_ocotp_cust0);
-
- mac[0] = 0x00;
- mac[1] = 0x04;
- mac[2] = (data >> 24) & 0xff;
- mac[3] = (data >> 16) & 0xff;
- mac[4] = (data >> 8) & 0xff;
- mac[5] = data & 0xff;
-}
-#else
-void imx_get_mac_from_fuse(int dev_id, char *mac)
-{
- memset(mac, 0, 6);
-}
-#endif
-
#endif
--
2.39.5