diff options
Diffstat (limited to 'arch/arm/mach-orion5x/lowlevel_init.S')
| -rw-r--r-- | arch/arm/mach-orion5x/lowlevel_init.S | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/mach-orion5x/lowlevel_init.S b/arch/arm/mach-orion5x/lowlevel_init.S index 4dacc296e4..51a8b3c51b 100644 --- a/arch/arm/mach-orion5x/lowlevel_init.S +++ b/arch/arm/mach-orion5x/lowlevel_init.S @@ -62,14 +62,16 @@ /* * Low-level init happens right after start.S has switched to SVC32, * flushed and disabled caches and disabled MMU. We're still running - * from the boot chip select, so the first thing we should do is set - * up RAM for us to relocate into. + * from the boot chip select, so the first thing SPL should do is to + * set up the RAM to copy U-Boot into. */ .globl lowlevel_init lowlevel_init: +#ifdef CONFIG_SPL_BUILD + /* Use 'r4 as the base for internal register accesses */ ldr r4, =ORION5X_REGS_PHY_BASE @@ -273,5 +275,13 @@ lowlevel_init: orr r2, r2, r6 str r2, [r3, #0x484] + /* enable for 2 GB DDR; detection should find out real amount */ + sub r6, r6, r6 + str r6, [r3, #0x500] + ldr r6, =0x7fff0001 + str r6, [r3, #0x504] + +#endif /* CONFIG_SPL_BUILD */ + /* Return to U-boot via saved link register */ mov pc, lr |