Now that we can start TF-A on LS1046a based boards switch the TQMLS1046a over to use this rather than deprecated PPA. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/boards/tqmls1046a/board.c | 8 ++++---- arch/arm/boards/tqmls1046a/lowlevel.c | 32 ++++++++++++++++++++++++++++++-- arch/arm/boards/tqmls1046a/start.S | 14 +++++++++++++- 3 files changed, 47 insertions(+), 7 deletions(-) diff --git a/arch/arm/boards/tqmls1046a/board.c b/arch/arm/boards/tqmls1046a/board.c index df49d0f780..99344e6e95 100644 --- a/arch/arm/boards/tqmls1046a/board.c +++ b/arch/arm/boards/tqmls1046a/board.c @@ -15,9 +15,9 @@ static void ls1046a_add_memory(void) { + struct resource *res; u32 cs0_bnds; unsigned long long memsize, lower, upper; - int ret; cs0_bnds = in_be32(LS1046A_DDRC_BASE); switch (cs0_bnds) { @@ -41,9 +41,9 @@ static void ls1046a_add_memory(void) arm_add_mem_device("ram1", 0x880000000, upper); } - ret = ls1046a_ppa_init(0x100000000 - SZ_64M, SZ_64M); - if (ret) - pr_err("Failed to initialize PPA firmware: %s\n", strerror(-ret)); + res = reserve_sdram_region("tfa", 0xfbe00000, 0x4200000); + + of_register_fixup(of_fixup_reserved_memory, res); } static int tqmls1046a_postcore_init(void) diff --git a/arch/arm/boards/tqmls1046a/lowlevel.c b/arch/arm/boards/tqmls1046a/lowlevel.c index 5ccafb2d77..e139fe19a1 100644 --- a/arch/arm/boards/tqmls1046a/lowlevel.c +++ b/arch/arm/boards/tqmls1046a/lowlevel.c @@ -300,15 +300,41 @@ static int tqmls1046a_get_variant(void) return variant; } +static struct dram_regions_info dram_info_2g = { + .num_dram_regions = 1, + .total_dram_size = SZ_2G, + .region = { + { + .addr = SZ_2G, + .size = SZ_2G, + }, + }, +}; + +static struct dram_regions_info dram_info_8g = { + .num_dram_regions = 2, + .total_dram_size = SZ_8G, + .region = { + { + .addr = SZ_2G, + .size = SZ_2G, + }, { + .addr = SZ_32G + SZ_2G, + .size = SZ_4G + SZ_2G, + }, + }, +}; + extern char __dtb_z_fsl_ls1046a_tqmls1046a_mbls10xxa_start[]; static noinline __noreturn void tqmls1046a_r_entry(bool is_8g) { unsigned long membase = LS1046A_DDR_SDRAM_BASE; int board_variant = 0; + struct dram_regions_info *dram_info; if (get_pc() >= membase) - barebox_arm_entry(membase, 0x80000000 - SZ_64M, + barebox_arm_entry(membase, 0x80000000 - SZ_128M, __dtb_z_fsl_ls1046a_tqmls1046a_mbls10xxa_start); arm_cpu_lowlevel_init(); @@ -321,17 +347,19 @@ static noinline __noreturn void tqmls1046a_r_entry(bool is_8g) if (is_8g) { board_variant = tqmls1046a_get_variant(); + dram_info = &dram_info_8g; if (board_variant == TQ_VARIANT_TQMLS1046A_CA) fsl_ddr_set_memctl_regs(&tqmls1046a_ddrc_8g_ca[0], 0, false); else fsl_ddr_set_memctl_regs(&tqmls1046a_ddrc_8g[0], 0, false); } else { + dram_info = &dram_info_2g; fsl_ddr_set_memctl_regs(&tqmls1046a_ddrc[0], 0, false); } ls1046a_errata_post_ddr(); - ls1046a_xload_start_image(NULL); + ls1046a_xload_start_image(dram_info); pr_err("Booting failed\n"); diff --git a/arch/arm/boards/tqmls1046a/start.S b/arch/arm/boards/tqmls1046a/start.S index 84c4626880..c812a35768 100644 --- a/arch/arm/boards/tqmls1046a/start.S +++ b/arch/arm/boards/tqmls1046a/start.S @@ -1,8 +1,13 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ #include <linux/linkage.h> #include <asm/barebox-arm64.h> +#include <asm/assembler64.h> -#define STACK_TOP 0x10020000 +/* + * OCRAM is occupied by TF-A, so in EL2 and EL1 use a temporary stack in SDRAM + */ +#define STACK_TOP 0x10020000 +#define STACK_TOP_TMP_SDRAM 0x90000000 ENTRY_PROC(start_tqmls1046a) mov x3, #STACK_TOP @@ -11,7 +16,14 @@ ENTRY_PROC(start_tqmls1046a) ENTRY_PROC_END(start_tqmls1046a) ENTRY_PROC(start_tqmls1046a_8g) + switch_el x3, 3f, 2f, 1f +3: mov x3, #STACK_TOP mov sp, x3 b tqmls1046a_8g_entry +2: +1: + mov x3, STACK_TOP_TMP_SDRAM + mov sp, x3 + b tqmls1046a_8g_entry ENTRY_PROC_END(start_tqmls1046a_8g) -- 2.39.5