diff options
| -rw-r--r-- | arch/arm/mach-mvebu/cpu.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/soc.h | 9 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/spl.c | 13 |
3 files changed, 8 insertions, 21 deletions
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c index fd56c99..071b13b 100644 --- a/arch/arm/mach-mvebu/cpu.c +++ b/arch/arm/mach-mvebu/cpu.c @@ -220,9 +220,11 @@ static void setup_usb_phys(void) } } +/* + * This function is not called from the SPL U-Boot version + */ int arch_cpu_init(void) { -#if !defined(CONFIG_SPL_BUILD) struct pl310_regs *const pl310 = (struct pl310_regs *)CONFIG_SYS_PL310_BASE; @@ -233,13 +235,11 @@ int arch_cpu_init(void) * still locked to cache. */ mmu_disable(); -#endif /* Linux expects the internal registers to be at 0xf1000000 */ writel(SOC_REGS_PHY_BASE, INTREG_BASE_ADDR_REG); set_cbar(SOC_REGS_PHY_BASE + 0xC000); -#if !defined(CONFIG_SPL_BUILD) /* * From this stage on, the SoC detection is working. As we have * configured the internal register base to the value used @@ -253,7 +253,6 @@ int arch_cpu_init(void) icache_disable(); dcache_disable(); clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN); -#endif /* * We need to call mvebu_mbus_probe() before calling diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h index 2be8cba..b78da25 100644 --- a/arch/arm/mach-mvebu/include/mach/soc.h +++ b/arch/arm/mach-mvebu/include/mach/soc.h @@ -33,10 +33,11 @@ #define INTREG_BASE_ADDR_REG (INTREG_BASE + 0x20080) #if defined(CONFIG_SPL_BUILD) /* - * On A38x switching the regs base address without running from - * SDRAM doesn't seem to work. So let the SPL still use the - * default base address and switch to the new address in the - * main u-boot later. + * The SPL U-Boot version still runs with the default + * address for the internal registers, configured by + * the BootROM. Only the main U-Boot version uses the + * new internal register base address, that also is + * required for the Linux kernel. */ #define SOC_REGS_PHY_BASE 0xd0000000 #else diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c index 4eeef2d..832df0a 100644 --- a/arch/arm/mach-mvebu/spl.c +++ b/arch/arm/mach-mvebu/spl.c @@ -36,19 +36,6 @@ void board_init_f(ulong dummy) { int ret; -#ifndef CONFIG_MVEBU_BOOTROM_UARTBOOT - /* - * Only call arch_cpu_init() when not returning to the - * Marvell BootROM, which is done when booting via - * the xmodem protocol (kwboot tool). Otherwise the - * internal register will get remapped and the BootROM - * can't continue to run correctly. - */ - - /* Linux expects the internal registers to be at 0xf1000000 */ - arch_cpu_init(); -#endif - /* * Pin muxing needs to be done before UART output, since * on A38x the UART pins need some re-muxing for output |