diff options
Diffstat (limited to 'arch/arm/boards/ls1028ardb/board.c')
-rw-r--r-- | arch/arm/boards/ls1028ardb/board.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/boards/ls1028ardb/board.c b/arch/arm/boards/ls1028ardb/board.c new file mode 100644 index 0000000000..094d72e6fc --- /dev/null +++ b/arch/arm/boards/ls1028ardb/board.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <deep-probe.h> +#include <bootsource.h> +#include <driver.h> +#include <init.h> +#include <of.h> +#include <asm/memory.h> +#include <mach/layerscape/layerscape.h> +#include <mach/layerscape/bbu.h> +#include <linux/sizes.h> + +static int ls1028ardb_probe(struct device *dev) +{ + unsigned long sd_bbu_flags = 0; + unsigned long emmc_bbu_flags = 0; + + arm_add_mem_device("ram1", LS1028A_DDR_SDRAM_HIGHMEM_BASE, SZ_2G); + + if (bootsource_get() == BOOTSOURCE_MMC && bootsource_get_instance() == 0) { + sd_bbu_flags = BBU_HANDLER_FLAG_DEFAULT; + of_device_enable_path("/chosen/environment-sd"); + } else { + emmc_bbu_flags = BBU_HANDLER_FLAG_DEFAULT; + of_device_enable_path("/chosen/environment-emmc"); + } + + ls1028a_bbu_mmc_register_handler("sd", "/dev/mmc0.barebox", sd_bbu_flags); + ls1028a_bbu_mmc_register_handler("emmc", "/dev/mmc1.barebox", emmc_bbu_flags); + + return 0; +} + +static const struct of_device_id ls1028a_of_match[] = { + { .compatible = "fsl,ls1028a-rdb" }, + { /* sentinel */ }, +}; +BAREBOX_DEEP_PROBE_ENABLE(ls1028a_of_match); + +static struct driver ls1028ardb_board_driver = { + .name = "ls1028a-rdb", + .probe = ls1028ardb_probe, + .of_compatible = ls1028a_of_match, +}; +device_platform_driver(ls1028ardb_board_driver); |