diff options
Diffstat (limited to 'arch/mips/boards/loongson-ls1b/lowlevel.S')
| -rw-r--r-- | arch/mips/boards/loongson-ls1b/lowlevel.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/boards/loongson-ls1b/lowlevel.S b/arch/mips/boards/loongson-ls1b/lowlevel.S index c533df3ce5..7240d351b4 100644 --- a/arch/mips/boards/loongson-ls1b/lowlevel.S +++ b/arch/mips/boards/loongson-ls1b/lowlevel.S @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com> + * Copyright (C) 2020 Du Huanpeng <u74147@gmail.com> */ #define BOARD_PBL_START start_loongson_ls1b @@ -11,15 +12,42 @@ #include <asm/pbl_nmon.h> #include <linux/sizes.h> +#include <mach/pbl_macros.h> +#include <mach/pbl_ll_init_loongson1.h> + ENTRY_FUNCTION(BOARD_PBL_START) mips_barebox_10h mips_disable_interrupts + pbl_blt 0xbf000000 skip_pll_ram_config t0 + + pbl_loongson1_pll + + pbl_loongson1_uart_enable debug_ll_ns16550_init debug_ll_outc '.' debug_ll_ns16550_outnl + debug_ll_outc '1' + + pbl_loongson1_remap + debug_ll_outc '2' + + pbl_loongson1_ddr2_init + pbl_probe_mem t0, t1, KSEG1 + bne t0, t1, . + nop + + debug_ll_outc '3' + + mips_cache_reset + dcache_enable + debug_ll_outc '4' + +skip_pll_ram_config: + debug_ll_outc '5' + debug_ll_ns16550_outnl ENTRY_FUNCTION_END(BOARD_PBL_START, loongson_ls1b, SZ_64M) |