From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/4] ARM am33xx: Add cpws convenience functions
Date: Wed, 9 Jan 2013 12:02:44 +0100 [thread overview]
Message-ID: <1357729366-2686-3-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1357729366-2686-1-git-send-email-s.hauer@pengutronix.de>
This adds a function to register the cpws device and another one
to register the MAC addresses provided by the am33xx.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/mach-omap/am33xx_generic.c | 27 ++++++++++++++++++++++
arch/arm/mach-omap/include/mach/am33xx-devices.h | 7 ++++++
2 files changed, 34 insertions(+)
diff --git a/arch/arm/mach-omap/am33xx_generic.c b/arch/arm/mach-omap/am33xx_generic.c
index e8293f7..d3014c2 100644
--- a/arch/arm/mach-omap/am33xx_generic.c
+++ b/arch/arm/mach-omap/am33xx_generic.c
@@ -18,11 +18,14 @@
* MA 02111-1307 USA
*/
+#include <common.h>
#include <io.h>
+#include <net.h>
#include <mach/am33xx-silicon.h>
#include <mach/am33xx-clock.h>
#include <mach/sys_info.h>
#include <mach/xload.h>
+#include <mach/am33xx-generic.h>
void __noreturn reset_cpu(unsigned long addr)
{
@@ -95,3 +98,27 @@ enum omap_boot_src am33xx_bootsrc(void)
{
return OMAP_BOOTSRC_MMC1; /* only MMC for now */
}
+
+int am33xx_register_ethaddr(int eth_id, int mac_id)
+{
+ void __iomem *mac_id_low = (void *)AM33XX_MAC_ID0_LO + mac_id * 8;
+ void __iomem *mac_id_high = (void *)AM33XX_MAC_ID0_HI + mac_id * 8;
+ uint8_t mac_addr[6];
+ uint32_t mac_hi, mac_lo;
+
+ mac_lo = readl(mac_id_low);
+ mac_hi = readl(mac_id_high);
+ mac_addr[0] = mac_hi & 0xff;
+ mac_addr[1] = (mac_hi & 0xff00) >> 8;
+ mac_addr[2] = (mac_hi & 0xff0000) >> 16;
+ mac_addr[3] = (mac_hi & 0xff000000) >> 24;
+ mac_addr[4] = mac_lo & 0xff;
+ mac_addr[5] = (mac_lo & 0xff00) >> 8;
+
+ if (is_valid_ether_addr(mac_addr)) {
+ eth_register_ethaddr(eth_id, mac_addr);
+ return 0;
+ }
+
+ return -ENODEV;
+}
diff --git a/arch/arm/mach-omap/include/mach/am33xx-devices.h b/arch/arm/mach-omap/include/mach/am33xx-devices.h
index c194303..fe9fba9 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-devices.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-devices.h
@@ -6,6 +6,7 @@
#include <mach/am33xx-silicon.h>
#include <mach/devices.h>
#include <mach/omap_hsmmc.h>
+#include <mach/cpsw.h>
/* the device numbering is the same as in the TRM memory map (SPRUH73G) */
@@ -30,4 +31,10 @@ static inline struct device_d *am33xx_add_mmc0(struct omap_hsmmc_platform_data *
AM33XX_MMCHS0_BASE, SZ_4K, IORESOURCE_MEM, pdata);
}
+static inline struct device_d *am33xx_add_cpsw(struct cpsw_platform_data *cpsw_data)
+{
+ return add_generic_device("cpsw", 0, NULL,
+ AM335X_CPSW_BASE, SZ_32K, IORESOURCE_MEM, cpsw_data);
+}
+
#endif /* __MACH_OMAP3_DEVICES_H */
--
1.7.10.4
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next prev parent reply other threads:[~2013-01-09 11:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-09 11:02 [PATCH] Add am33xx/beaglebone network support Sascha Hauer
2013-01-09 11:02 ` [PATCH 1/4] drivers: net: add driver for TI CPSW Sascha Hauer
2013-01-09 11:02 ` Sascha Hauer [this message]
2013-01-09 11:02 ` [PATCH 3/4] ARM beaglebone: Add network support Sascha Hauer
2013-01-09 11:02 ` [PATCH 4/4] ARM beaglebone: update defconfig for networking Sascha Hauer
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