From: Wolfram Sang <w.sang@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Wolfram Sang <w.sang@pengutronix.de>
Subject: [PATCH V2] arm: mxs: get MAC from OCOTP for MX28EVK
Date: Thu, 14 Jun 2012 15:13:03 +0200 [thread overview]
Message-ID: <1339679583-8725-1-git-send-email-w.sang@pengutronix.de> (raw)
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
V2: rewrote code according to Sascha's style guide ;)
arch/arm/boards/freescale-mx28-evk/mx28-evk.c | 30 +++++++++++++++++++++++--
arch/arm/mach-mxs/Kconfig | 1 +
2 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
index 9168ed8..fc395a0 100644
--- a/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
+++ b/arch/arm/boards/freescale-mx28-evk/mx28-evk.c
@@ -22,17 +22,18 @@
#include <init.h>
#include <mci.h>
#include <io.h>
+#include <net.h>
#include <mach/clock.h>
#include <mach/imx-regs.h>
#include <mach/iomux-imx28.h>
#include <mach/mci.h>
+#include <mach/fb.h>
+#include <mach/ocotp.h>
#include <asm/armlinux.h>
#include <asm/mmu.h>
-#include <mach/fb.h>
-
#include <generated/mach-types.h>
#define MX28EVK_FEC_PHY_RESET_GPIO 141
@@ -118,6 +119,27 @@ static struct mxs_mci_platform_data mci_pdata = {
};
/* fec */
+void mx28_evk_get_ethaddr(void)
+{
+ u8 mac_ocotp[3], mac[6];
+ int ret;
+
+ ret = mxs_ocotp_read(mac_ocotp, 3, 0);
+ if (ret != 3) {
+ pr_err("Reading MAC from OCOTP failed!\n");
+ return;
+ }
+
+ mac[0] = 0x00;
+ mac[1] = 0x04;
+ mac[2] = 0x9f;
+ mac[3] = mac_ocotp[2];
+ mac[4] = mac_ocotp[1];
+ mac[5] = mac_ocotp[0];
+
+ eth_register_ethaddr(0, mac);
+}
+
static void __init mx28_evk_fec_reset(void)
{
mdelay(1);
@@ -208,6 +230,10 @@ static int mx28_evk_devices_init(void)
add_generic_device("stmfb", 0, NULL, IMX_FB_BASE, 4096,
IORESOURCE_MEM, &mx28_evk_fb_pdata);
+ add_generic_device("ocotp", 0, NULL, IMX_OCOTP_BASE, 0,
+ IORESOURCE_MEM, NULL);
+ mx28_evk_get_ethaddr(); /* must be after registering ocotp */
+
imx_enable_enetclk();
mx28_evk_fec_reset();
add_generic_device("fec_imx", 0, NULL, IMX_FEC0_BASE, 0,
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 3348a3c..57bd556 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -61,6 +61,7 @@ config MACH_TX28
config MACH_MX28EVK
bool "mx28-evk"
+ select MXS_OCOTP
help
Say Y here if you are using the Freescale i.MX28-EVK board
--
1.7.10
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next reply other threads:[~2012-06-14 13:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 13:13 Wolfram Sang [this message]
2012-06-14 14:10 ` Sascha Hauer
2012-06-14 14:17 ` Wolfram Sang
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