Overo GPMC registers

Use appropriate GPMC timings for the LAN9221 controller on the
Gumstix Overo expansion boards not the values in arch-omap3/mem.h
which are for a different ethernet controller.

Signed-off-by: Scott Ellis <scott@jumpnowtek.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

diff --git a/board/overo/overo.c b/board/overo/overo.c
index f363281568a0b7830899a7906475214894d8a4c7..e85be7d5e6c239c1fe093fca5ccfe869182867f5 100644 (file)
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -100,13 +100,13 @@ static void setup_net_chip(void)
        struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
 
        /* Configure GPMC registers */
-       writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
-       writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
-       writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
-       writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
-       writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
-       writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
-       writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
+       writel(NET_LAN9221_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
+       writel(NET_LAN9221_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
+       writel(NET_LAN9221_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
+       writel(NET_LAN9221_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
+       writel(NET_LAN9221_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
+       writel(NET_LAN9221_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
+       writel(NET_LAN9221_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
 
        /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
        writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);

diff --git a/board/overo/overo.h b/board/overo/overo.h
index 4c7ac27fa6818d4f474bc42330134fd0a5520a37..18735232a1513f85450ec6143976125e02f19688 100644 (file)
--- a/board/overo/overo.h
+++ b/board/overo/overo.h
@@ -33,6 +33,15 @@ const omap3_sysinfo sysinfo = {
 #endif
 };
 
+/* GPMC CS 5 connected to an SMSC LAN9221 ethernet controller */
+#define NET_LAN9221_GPMC_CONFIG1    0x00001000
+#define NET_LAN9221_GPMC_CONFIG2    0x00080701
+#define NET_LAN9221_GPMC_CONFIG3    0x00020201
+#define NET_LAN9221_GPMC_CONFIG4    0x08030703
+#define NET_LAN9221_GPMC_CONFIG5    0x00060908
+#define NET_LAN9221_GPMC_CONFIG6    0x87030000
+#define NET_LAN9221_GPMC_CONFIG7    0x00000f6c
+
 /*
  * IEN  - Input Enable
  * IDIS - Input Disable