[U-Boot] [PATCH V9 3/4] devkit8000/spl: init GPMC for dm9000 in SPL
Simon Schwarz
simonschwarzcor at googlemail.com
Tue Dec 6 19:34:37 CET 2011
From: Simon Schwarz <simonschwarzcor at googlemail.com>
Linux crashes if the GPMC isn't configured for the dm9000.
Signed-off-by: Simon Schwarz <simonschwarzcor at 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
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