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Overo GPMC registers

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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>
This commit is contained in:
Scott Ellis 2010-01-27 11:11:46 -05:00 committed by Tom Rix
parent e0f2318f85
commit 7dd866ae92
2 changed files with 16 additions and 7 deletions
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14
board/overo/overo.c
View file

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

9
board/overo/overo.h
View file

@ -33,6 +33,15 @@ const omap3_sysinfo sysinfo = {
#endif #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 * IEN - Input Enable
* IDIS - Input Disable * IDIS - Input Disable