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Use the LMB allocator to configure load addresses at runtime, and implement a lookup table for selecting a devicetree. As some Qualcomm RBx boards have different RAM capacities and base addresses, it isn't possible to hardcode these regions. Signed-off-by: Caleb Connolly --- arch/arm/Kconfig | 1 + arch/arm/mach-snapdragon/board.c | 36 ++++++++++++++++++++++++ board/qualcomm/dragonboard410c/dragonboard410c.c | 2 +- 3 files changed, 38 insertions(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1faa70bb658d..ae44fabb1609 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1075,6 +1075,7 @@ config ARCH_SNAPDRAGON select OF_SEPARATE select SMEM select SPMI + select BOARD_LATE_INIT select OF_BOARD select SAVE_PREV_BL_FDT_ADDR imply CMD_DM diff --git a/arch/arm/mach-snapdragon/board.c b/arch/arm/mach-snapdragon/board.c index 521390ed6eed..765a2c2a95fc 100644 --- a/arch/arm/mach-snapdragon/board.c +++ b/arch/arm/mach-snapdragon/board.c @@ -18,6 +18,7 @@ #include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -110,6 +111,41 @@ int board_init(void) return 0; } +void __weak qcom_late_init(void) +{ +} + +#define KERNEL_COMP_SIZE SZ_32M +#define SZ_96M (SZ_64M + SZ_32M) + +#define addr_alloc(lmb, size) lmb_alloc(lmb, size, SZ_2M) + +/* Stolen from arch/arm/mach-apple/board.c */ +int board_late_init(void) +{ + struct lmb lmb; + u32 status = 0; + + lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob); + + /* We need to be fairly conservative here as we support boards with just 1G of TOTAL RAM */ + status |= env_set_hex("kernel_addr_r", addr_alloc(&lmb, SZ_96M)); + status |= env_set_hex("loadaddr", addr_alloc(&lmb, SZ_64M)); + status |= env_set_hex("fdt_addr_r", addr_alloc(&lmb, SZ_2M)); + status |= env_set_hex("ramdisk_addr_r", addr_alloc(&lmb, SZ_96M)); + status |= env_set_hex("kernel_comp_addr_r", addr_alloc(&lmb, KERNEL_COMP_SIZE)); + status |= env_set_hex("kernel_comp_size", KERNEL_COMP_SIZE); + status |= env_set_hex("scriptaddr", addr_alloc(&lmb, SZ_4M)); + status |= env_set_hex("pxefile_addr_r", addr_alloc(&lmb, SZ_4M)); + + if (status) + log_warning("%s: Failed to set run time variables\n", __func__); + + qcom_late_init(); + + return 0; +} + static void build_mem_map(void) { int i; diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.c b/board/qualcomm/dragonboard410c/dragonboard410c.c index bee8034ef92f..ab652e0a7c92 100644 --- a/board/qualcomm/dragonboard410c/dragonboard410c.c +++ b/board/qualcomm/dragonboard410c/dragonboard410c.c @@ -113,7 +113,7 @@ int misc_init_r(void) return 0; } -int board_late_init(void) +int qcom_late_init(void) { char serial[16];