From: Wolfram Sang <w.sang@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH] arm: mxs: get MAC from OCOTP for MX28EVK
Date: Wed, 9 May 2012 22:51:39 +0200 [thread overview]
Message-ID: <1336596699-19841-1-git-send-email-w.sang@pengutronix.de> (raw)
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
arch/arm/boards/freescale-mx28-evk/mx28-evk.c | 25 +++++++++++++++++++++++--
arch/arm/mach-mxs/Kconfig | 1 +
2 files changed, 24 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..f0b256b 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 +119,22 @@ static struct mxs_mci_platform_data mci_pdata = {
};
/* fec */
+void mx28_evk_get_ethaddr(void)
+{
+ u8 mac[6] = { 0x00, 0x04, 0x9f, 0x00, 0x00, 0x00 };
+ u8 tmp;
+ int ret;
+
+ ret = mxs_ocotp_read(mac + 3, 3, 0);
+ if (ret != 3)
+ return;
+
+ tmp = mac[5];
+ mac[5] = mac[3];
+ mac[3] = tmp;
+ eth_register_ethaddr(0, mac);
+}
+
static void __init mx28_evk_fec_reset(void)
{
mdelay(1);
@@ -208,6 +225,10 @@ 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 f646e0b..9ce7c7a 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:[~2012-05-09 20:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 20:51 Wolfram Sang [this message]
2012-05-10 12:28 ` Sascha Hauer
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