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authorVictor Rodriguez <vm.rod25@gmail.com>2010-12-27 16:43:08 -0600
committerKevin Hilman <khilman@ti.com>2011-02-28 14:53:28 -0800
commitbb59b7fdc1aacde27a1d6254f1e647a794fa7735 (patch)
treec8cd38a1e550c65f3ff435822a4392404cd6116a /arch/arm/mach-davinci/board-omapl138-hawk.c
parent3ba789c0917dae4cd66fb5c1b7a9a6d3fc8f43bc (diff)
davinci: EMAC support for Omapl138-Hawkboard
This patch adds EMAC support for the Hawkboard-L138 system Signed-off-by: Victor Rodriguez <vm.rod25@gmail.com> Tested-by: Rene Gonzalez <renegs.2378@gmail.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/board-omapl138-hawk.c')
-rw-r--r--arch/arm/mach-davinci/board-omapl138-hawk.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 0b8dbdb79fe0..75b3fe23ee63 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -19,6 +19,47 @@
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
+#include <mach/mux.h>
+
+#define HAWKBOARD_PHY_ID "0:07"
+
+static short omapl138_hawk_mii_pins[] __initdata = {
+ DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
+ DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
+ DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
+ DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
+ DA850_MDIO_D,
+ -1
+};
+
+static __init void omapl138_hawk_config_emac(void)
+{
+ void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+ int ret;
+ u32 val;
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ val = __raw_readl(cfgchip3);
+ val &= ~BIT(8);
+ ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
+ if (ret) {
+ pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
+ __func__, ret);
+ return;
+ }
+
+ /* configure the CFGCHIP3 register for MII */
+ __raw_writel(val, cfgchip3);
+ pr_info("EMAC: MII PHY configured\n");
+
+ soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
+
+ ret = da8xx_register_emac();
+ if (ret)
+ pr_warning("%s: emac registration failed: %d\n",
+ __func__, ret);
+}
+
static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
.enabled_uarts = 0x7,
@@ -30,6 +71,8 @@ static __init void omapl138_hawk_init(void)
davinci_serial_init(&omapl138_hawk_uart_config);
+ omapl138_hawk_config_emac();
+
ret = da8xx_register_watchdog();
if (ret)
pr_warning("omapl138_hawk_init: "