[U-Boot] [PATCH V9 3/4] devkit8000/spl: init GPMC for dm9000 in SPL

[Simon Schwarz]

From: Simon Schwarz <simonschwarz...@googlemail.com>

Linux crashes if the GPMC isn't configured for the dm9000.

Signed-off-by: Simon Schwarz <simonschwarz...@gmail.com>
---
V2 changes:
nothing

V3 changes:
nothing

V4 changes:
noting

V5 changes:
nothing

V6 changes:
nothing

V7 changes:
FIX multiline comment style
        (http://article.gmane.org/gmane.comp.boot-loaders.u-boot/113500)

V8 changes:
REBASE on u-boot
---
 arch/arm/include/asm/omap_common.h  |    2 ++
 board/timll/devkit8000/devkit8000.c |   33 +++++++++++++++++++++++++--------
 2 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/arch/arm/include/asm/omap_common.h 
b/arch/arm/include/asm/omap_common.h
index f1562ea..878ca71 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -87,6 +87,8 @@ u32 omap_boot_mode(void);
 /* SPL common function s*/
 void spl_parse_image_header(const struct image_header *header);
 void omap_rev_string(char *omap_rev_string);
+int spl_uboot_key(void);
+void spl_board_prepare_for_linux(void);
 
 /* NAND SPL functions */
 void spl_nand_load_image(void);
diff --git a/board/timll/devkit8000/devkit8000.c 
b/board/timll/devkit8000/devkit8000.c
index fee0dff..11c8671 100644
--- a/board/timll/devkit8000/devkit8000.c
+++ b/board/timll/devkit8000/devkit8000.c
@@ -63,6 +63,18 @@ int board_init(void)
        return 0;
 }
 
+/* Configure GPMC registers for DM9000 */
+static void gpmc_dm9000_config(void)
+{
+       writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[6].config1);
+       writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[6].config2);
+       writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[6].config3);
+       writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[6].config4);
+       writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[6].config5);
+       writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[6].config6);
+       writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[6].config7);
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts
@@ -81,14 +93,7 @@ int misc_init_r(void)
 #endif
 
 #ifdef CONFIG_DRIVER_DM9000
-       /* Configure GPMC registers for DM9000 */
-       writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[6].config1);
-       writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[6].config2);
-       writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[6].config3);
-       writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[6].config4);
-       writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[6].config5);
-       writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[6].config6);
-       writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[6].config7);
+       gpmc_dm9000_config();
 
        /* Use OMAP DIE_ID as MAC address */
        if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
@@ -138,3 +143,15 @@ int board_eth_init(bd_t *bis)
        return dm9000_initialize(bis);
 }
 #endif
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Do board specific preperation before SPL
+ * Linux boot
+ */
+void spl_board_prepare_for_linux(void)
+{
+       gpmc_dm9000_config();
+}
+
+#endif
-- 
1.7.4.1

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot