diff options
Diffstat (limited to 'arch/arm/mach-layerscape')
| -rw-r--r-- | arch/arm/mach-layerscape/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/boot.c | 39 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/include/mach/bbu.h | 22 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/include/mach/layerscape.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/include/mach/xload.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/xload-qspi.c | 37 | ||||
| -rw-r--r-- | arch/arm/mach-layerscape/xload.c | 24 |
7 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/mach-layerscape/Makefile b/arch/arm/mach-layerscape/Makefile index 269839254b..73cd61a7cf 100644 --- a/arch/arm/mach-layerscape/Makefile +++ b/arch/arm/mach-layerscape/Makefile @@ -2,3 +2,5 @@ obj- := __dummy__.o 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 xload.o diff --git a/arch/arm/mach-layerscape/boot.c b/arch/arm/mach-layerscape/boot.c new file mode 100644 index 0000000000..c804977d22 --- /dev/null +++ b/arch/arm/mach-layerscape/boot.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <common.h> +#include <init.h> +#include <bootsource.h> +#include <mach/layerscape.h> +#include <soc/fsl/immap_lsch2.h> + +enum bootsource ls1046_bootsource_get(void) +{ + void __iomem *dcfg = IOMEM(LSCH2_DCFG_ADDR); + uint32_t rcw_src; + + rcw_src = in_be32(dcfg) >> 23; + + if (rcw_src == 0x40) + return BOOTSOURCE_MMC; + if ((rcw_src & 0x1fe) == 0x44) + return BOOTSOURCE_SPI_NOR; + if ((rcw_src & 0x1f0) == 0x10) + /* 8bit NOR Flash */ + return BOOTSOURCE_NOR; + if ((rcw_src & 0x1f0) == 0x20) + /* 16bit NOR Flash */ + return BOOTSOURCE_NOR; + + return BOOTSOURCE_UNKNOWN; +} + +static int ls1046a_bootsource_init(void) +{ + if (!of_machine_is_compatible("fsl,ls1046a")) + return 0; + + bootsource_set(ls1046_bootsource_get()); + + return 0; +} +coredevice_initcall(ls1046a_bootsource_init);
\ No newline at end of file diff --git a/arch/arm/mach-layerscape/include/mach/bbu.h b/arch/arm/mach-layerscape/include/mach/bbu.h new file mode 100644 index 0000000000..1ea0cbb11f --- /dev/null +++ b/arch/arm/mach-layerscape/include/mach/bbu.h @@ -0,0 +1,22 @@ +#ifndef __MACH_LAYERSCAPE_BBU_H +#define __MACH_LAYERSCAPE_BBU_H + +#include <bbu.h> + +static inline int ls1046a_bbu_mmc_register_handler(const char *name, + const char *devicefile, + unsigned long flags) +{ + return bbu_register_std_file_update(name, flags, devicefile, + filetype_layerscape_image); +} + +static inline int ls1046a_bbu_qspi_register_handler(const char *name, + const char *devicefile, + unsigned long flags) +{ + return bbu_register_std_file_update(name, flags, devicefile, + filetype_layerscape_qspi_image); +} + +#endif /* __MACH_LAYERSCAPE_BBU_H */
\ No newline at end of file diff --git a/arch/arm/mach-layerscape/include/mach/layerscape.h b/arch/arm/mach-layerscape/include/mach/layerscape.h index 55e0b7bc96..3366e7f258 100644 --- a/arch/arm/mach-layerscape/include/mach/layerscape.h +++ b/arch/arm/mach-layerscape/include/mach/layerscape.h @@ -4,4 +4,6 @@ #define LS1046A_DDR_SDRAM_BASE 0x80000000 #define LS1046A_DDR_FREQ 2100000000 +enum bootsource ls1046_bootsource_get(void); + #endif /* __MACH_LAYERSCAPE_H */ diff --git a/arch/arm/mach-layerscape/include/mach/xload.h b/arch/arm/mach-layerscape/include/mach/xload.h index fedd36e020..eb2d998865 100644 --- a/arch/arm/mach-layerscape/include/mach/xload.h +++ b/arch/arm/mach-layerscape/include/mach/xload.h @@ -2,5 +2,9 @@ #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); +int ls1046a_xload_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; +} diff --git a/arch/arm/mach-layerscape/xload.c b/arch/arm/mach-layerscape/xload.c new file mode 100644 index 0000000000..54495d7f97 --- /dev/null +++ b/arch/arm/mach-layerscape/xload.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <common.h> +#include <bootsource.h> +#include <mach/layerscape.h> +#include <mach/xload.h> + +int ls1046a_xload_start_image(unsigned long r0, unsigned long r1, + unsigned long r2) +{ + enum bootsource src; + + src = ls1046_bootsource_get(); + + switch (src) { + case BOOTSOURCE_SPI_NOR: + return ls1046a_qspi_start_image(r0, r1, r2); + case BOOTSOURCE_MMC: + return ls1046a_esdhc_start_image(r0, r1, r2); + default: + pr_err("Unknown bootsource\n"); + return -EINVAL; + } +} |