diff options
Diffstat (limited to 'board/armltd/integrator/integrator.c')
| -rw-r--r-- | board/armltd/integrator/integrator.c | 15 | 
1 files changed, 15 insertions, 0 deletions
| diff --git a/board/armltd/integrator/integrator.c b/board/armltd/integrator/integrator.c index 780218cbe..dd83ca5c0 100644 --- a/board/armltd/integrator/integrator.c +++ b/board/armltd/integrator/integrator.c @@ -36,6 +36,7 @@  #include <common.h>  #include <netdev.h>  #include <asm/io.h> +#include "arm-ebi.h"  DECLARE_GLOBAL_DATA_PTR; @@ -56,6 +57,8 @@ void show_boot_progress(int progress)  int board_init (void)  { +	u32 val; +  	/* arch number of Integrator Board */  #ifdef CONFIG_ARCH_CINTEGRATOR  	gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR; @@ -73,6 +76,18 @@ extern void cm_remap(void);  	cm_remap();	/* remaps writeable memory to 0x00000000 */  #endif +	/* +	 * The system comes up with the flash memory non-writable and +	 * configuration locked. If we want U-Boot to be used for flash +	 * access we cannot have the flash memory locked. +	 */ +	writel(EBI_UNLOCK_MAGIC, EBI_BASE + EBI_LOCK_REG); +	val = readl(EBI_BASE + EBI_CSR1_REG); +	val &= EBI_CSR_WREN_MASK; +	val |= EBI_CSR_WREN_ENABLE; +	writel(val, EBI_BASE + EBI_CSR1_REG); +	writel(0, EBI_BASE + EBI_LOCK_REG); +  	icache_enable ();  	return 0; |