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riscv: Modify generic codes to support RISC-V

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Support common commands bdinfo and image format,
also modify common generic flow for RISC-V.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Rick Chen 2017-12-26 13:55:58 +08:00 committed by Tom Rini
parent c7d7e80acd
commit 068feb9b86
6 changed files with 29 additions and 3 deletions
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5
arch/Kconfig
View file

@ -54,6 +54,10 @@ config PPC
select HAVE_PRIVATE_LIBGCC
select SUPPORT_OF_CONTROL
config RISCV
bool "riscv architecture"
select SUPPORT_OF_CONTROL
config SANDBOX
bool "Sandbox"
select BOARD_LATE_INIT
@ -194,3 +198,4 @@ source "arch/sandbox/Kconfig"
source "arch/sh/Kconfig"
source "arch/x86/Kconfig"
source "arch/xtensa/Kconfig"
source "arch/riscv/Kconfig"

15
cmd/bdinfo.c
View file

@ -417,6 +417,21 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
}
#elif defined(CONFIG_RISCV)
int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
bd_t *bd = gd->bd;
print_num("arch_number", bd->bi_arch_number);
print_bi_boot_params(bd);
print_bi_dram(bd);
print_eth_ip_addr();
print_baudrate();
return 0;
}
#elif defined(CONFIG_ARC)
int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

2
common/board_f.c
View file

@ -218,7 +218,7 @@ static int setup_mon_len(void)
gd->mon_len = (ulong)&_end - (ulong)_init;
#elif defined(CONFIG_NIOS2) || defined(CONFIG_XTENSA)
gd->mon_len = CONFIG_SYS_MONITOR_LEN;
#elif defined(CONFIG_NDS32) || defined(CONFIG_SH)
#elif defined(CONFIG_NDS32) || defined(CONFIG_SH) || defined(CONFIG_RISCV)
gd->mon_len = (ulong)(&__bss_end) - (ulong)(&_start);
#elif defined(CONFIG_SYS_MONITOR_BASE)
/* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */

4
common/board_r.c
View file

@ -126,7 +126,7 @@ static int initr_reloc_global_data(void)
{
#ifdef __ARM__
monitor_flash_len = _end - __image_copy_start;
#elif defined(CONFIG_NDS32)
#elif defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
monitor_flash_len = (ulong)&_end - (ulong)&_start;
#elif !defined(CONFIG_SANDBOX) && !defined(CONFIG_NIOS2)
monitor_flash_len = (ulong)&__init_end - gd->relocaddr;
@ -704,7 +704,7 @@ static init_fnc_t init_sequence_r[] = {
#ifdef CONFIG_DM
initr_dm,
#endif
#if defined(CONFIG_ARM) || defined(CONFIG_NDS32)
#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
board_init, /* Setup chipselects */
#endif
/*

5
include/elf.h
View file

@ -613,6 +613,11 @@ unsigned long elf_hash(const unsigned char *name);
#define R_AARCH64_NONE 0 /* No relocation. */
#define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */
/* RISC-V relocations */
#define R_RISCV_32 1
#define R_RISCV_64 2
#define R_RISCV_RELATIVE 3
#ifndef __ASSEMBLER__
int valid_elf_image(unsigned long addr);
#endif

1
include/image.h
View file

@ -190,6 +190,7 @@ enum {
IH_ARCH_ARC, /* Synopsys DesignWare ARC */
IH_ARCH_X86_64, /* AMD x86_64, Intel and Via */
IH_ARCH_XTENSA, /* Xtensa */
IH_ARCH_RISCV, /* RISC-V */
IH_ARCH_COUNT,
};