Linux crashes if the GPMC isn't configured for the dm9000.
Signed-off-by: Simon Schwarz simonschwarzcor@gmail.com --- arch/arm/cpu/armv7/omap-common/spl.c | 1 + arch/arm/include/asm/omap_common.h | 2 ++ board/timll/devkit8000/devkit8000.c | 33 ++++++++++++++++++++++++--------- 3 files changed, 27 insertions(+), 9 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c index 9c22c7a..0c38bbb 100644 --- a/arch/arm/cpu/armv7/omap-common/spl.c +++ b/arch/arm/cpu/armv7/omap-common/spl.c @@ -175,6 +175,7 @@ void board_init_r(gd_t *id, ulong dummy) #ifdef CONFIG_SPL_OS_BOOT case IH_OS_LINUX: debug("Jumping to Linux\n"); + spl_board_prepare_for_linux(); jump_to_image_linux((void *)CONFIG_SYS_SPL_ARGS_ADDR); break; #endif diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index 015cede..0906f49 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -77,6 +77,8 @@ u32 omap_boot_mode(void);
/* SPL common function s*/ void spl_parse_image_header(const struct image_header *header); +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 9b53742..3dd0eeb 100644 --- a/board/timll/devkit8000/devkit8000.c +++ b/board/timll/devkit8000/devkit8000.c @@ -62,6 +62,18 @@ 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 @@ -80,14 +92,7 @@ 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)) { @@ -119,7 +124,7 @@ void set_muxconf_regs(void) MUX_DEVKIT8000(); }
-#if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD) +#ifdef CONFIG_DRIVER_DM9000 /* * Routine: board_eth_init * Description: Setting up the Ethernet hardware. @@ -129,3 +134,13 @@ 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