From 926c8b2e3241f3a694b46d5db3453bc546a01f69 Mon Sep 17 00:00:00 2001 From: Sean Nyekjaer Date: Fri, 24 Nov 2017 14:01:47 +0100 Subject: [PATCH] arm: mvebu: enable boot from NAND Check if we are booting from NAND and let the bootrom continue to load the rest of the bootloader Signed-off-by: Sean Nyekjaer Signed-off-by: Stefan Roese --- arch/arm/mach-mvebu/include/mach/soc.h | 1 + arch/arm/mach-mvebu/spl.c | 16 ++++++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h index 4f81285..1a06a1e 100644 --- a/arch/arm/mach-mvebu/include/mach/soc.h +++ b/arch/arm/mach-mvebu/include/mach/soc.h @@ -147,6 +147,7 @@ #define BOOT_DEV_SEL_OFFS 4 #define BOOT_DEV_SEL_MASK (0x3f << BOOT_DEV_SEL_OFFS) +#define BOOT_FROM_NAND 0x0A #define BOOT_FROM_UART 0x28 #define BOOT_FROM_UART_ALT 0x3f #define BOOT_FROM_SPI 0x32 diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c index 2fd6c62..d16a62d 100644 --- a/arch/arm/mach-mvebu/spl.c +++ b/arch/arm/mach-mvebu/spl.c @@ -45,6 +45,10 @@ static u32 get_boot_device(void) boot_device = (val & BOOT_DEV_SEL_MASK) >> BOOT_DEV_SEL_OFFS; debug("SAR_REG=0x%08x boot_device=0x%x\n", val, boot_device); switch (boot_device) { +#if defined(CONFIG_ARMADA_38X) + case BOOT_FROM_NAND: + return BOOT_DEVICE_NAND; +#endif #ifdef CONFIG_SPL_MMC_SUPPORT case BOOT_FROM_MMC: case BOOT_FROM_MMC_ALT: @@ -128,7 +132,15 @@ void board_init_f(ulong dummy) * SPL has no chance to receive this information. So we * need to return to the BootROM to enable this xmodem * UART download. + * + * If booting from NAND lets let the BootROM load the + * rest of the bootloader. */ - if (get_boot_device() == BOOT_DEVICE_UART) - return_to_bootrom(); + switch (get_boot_device()) { + case BOOT_DEVICE_UART: +#if defined(CONFIG_ARMADA_38X) + case BOOT_DEVICE_NAND: +#endif + return_to_bootrom(); + } } -- 2.7.4