Hello.
On 10/15/10 07:08, [email protected] wrote:
From: Victor Rodriguez<[email protected]>
This patch adds EMAC support for the Hawkboard-L138 system
Signed-off-by: Victor Rodriguez<[email protected]>
---
arch/arm/mach-davinci/board-omapl138-hawk.c | 50 +++++++++++++++++++++++++++
1 files changed, 50 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c
b/arch/arm/mach-davinci/board-omapl138-hawk.c
index c472dd8..2220105 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -19,6 +19,54 @@
#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;
+ int ret;
+ u32 val;
+ struct davinci_soc_info *soc_info =&davinci_soc_info;
+
+ if (!machine_is_omapl138_hawkboard())
+ return;
+
+ cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+
+ 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;
+ }
+
+ pr_info("EMAC: MII PHY configured\n");
I said this should *follow* __raw_writel(), not precede it...
+ /* configure the CFGCHIP3 register for MII */
+ __raw_writel(val, cfgchip3);
+
+ 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);
+ return;
'return' not needed here. And you've forgotten to enclose it in {} anyway.
:-)
WBR. Sergei
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