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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>
Scott Ellis 15 years ago
parent
commit
093d6018cf
2 changed files with 16 additions and 7 deletions
  1. 7 7
      board/overo/overo.c
  2. 9 0
      board/overo/overo.h

+ 7 - 7
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);

+ 9 - 0
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