diff options
Diffstat (limited to 'arch/arm/mach-layerscape')
-rw-r--r-- | arch/arm/mach-layerscape/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-layerscape/include/mach/xload.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-layerscape/xload-qspi.c | 37 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-layerscape/Makefile b/arch/arm/mach-layerscape/Makefile index ad4e2f7af3..4705154fb1 100644 --- a/arch/arm/mach-layerscape/Makefile +++ b/arch/arm/mach-layerscape/Makefile @@ -3,3 +3,4 @@ lwl-y += lowlevel.o errata.o lwl-$(CONFIG_ARCH_LS1046) += lowlevel-ls1046a.o obj-y += icid.o obj-pbl-y += boot.o +pbl-y += xload-qspi.o diff --git a/arch/arm/mach-layerscape/include/mach/xload.h b/arch/arm/mach-layerscape/include/mach/xload.h index fedd36e020..94756ed13d 100644 --- a/arch/arm/mach-layerscape/include/mach/xload.h +++ b/arch/arm/mach-layerscape/include/mach/xload.h @@ -2,5 +2,7 @@ #define __MACH_XLOAD_H int ls1046a_esdhc_start_image(unsigned long r0, unsigned long r1, unsigned long r2); +int ls1046a_qspi_start_image(unsigned long r0, unsigned long r1, + unsigned long r2); #endif /* __MACH_XLOAD_H */ diff --git a/arch/arm/mach-layerscape/xload-qspi.c b/arch/arm/mach-layerscape/xload-qspi.c new file mode 100644 index 0000000000..c76780a0e8 --- /dev/null +++ b/arch/arm/mach-layerscape/xload-qspi.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <common.h> +#include <soc/fsl/immap_lsch2.h> +#include <asm-generic/sections.h> +#include <asm/cache.h> +#include <mach/xload.h> +#include <mach/layerscape.h> + +/* + * The offset of the 2nd stage image in the output file. This must match with the + * offset the pblimage tool puts barebox to. + */ +#define BAREBOX_START (128 * 1024) + +int ls1046a_qspi_start_image(unsigned long r0, unsigned long r1, + unsigned long r2) +{ + void *qspi_reg_base = IOMEM(LSCH2_QSPI0_BASE_ADDR); + void *membase = (void *)LS1046A_DDR_SDRAM_BASE; + void *qspi_mem_base = IOMEM(0x40000000); + void (*barebox)(unsigned long, unsigned long, unsigned long) = membase; + + /* Switch controller into little endian mode */ + out_be32(qspi_reg_base, 0x000f400c); + + memcpy(membase, qspi_mem_base + BAREBOX_START, barebox_image_size); + icache_invalidate(); + + printf("Starting barebox\n"); + + barebox(r0, r1, r2); + + printf("failed\n"); + + return -EIO; +} |