From 22b7e6fbd3f9ecd936900ed47b5616f9d8127296 Mon Sep 17 00:00:00 2001 From: Rick Chen Date: Tue, 13 Mar 2018 14:59:41 +0800 Subject: [PATCH] riscv: bootm: Remove ATAGS ATAGS is not supported and will be replaced by DT in riscv-linux. So can be removed now. Signed-off-by: Rick Chen Signed-off-by: Rick Chen --- arch/riscv/include/asm/bootm.h | 49 --------- arch/riscv/lib/bootm.c | 179 +-------------------------------- 2 files changed, 2 insertions(+), 226 deletions(-) diff --git a/arch/riscv/include/asm/bootm.h b/arch/riscv/include/asm/bootm.h index 0a644bb58b..9a90f23a22 100644 --- a/arch/riscv/include/asm/bootm.h +++ b/arch/riscv/include/asm/bootm.h @@ -13,53 +13,4 @@ #include -#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ - defined(CONFIG_CMDLINE_TAG) || \ - defined(CONFIG_INITRD_TAG) || \ - defined(CONFIG_SERIAL_TAG) || \ - defined(CONFIG_REVISION_TAG) -# define BOOTM_ENABLE_TAGS 1 -#else -# define BOOTM_ENABLE_TAGS 0 -#endif - -#ifdef CONFIG_SETUP_MEMORY_TAGS -# define BOOTM_ENABLE_MEMORY_TAGS 1 -#else -# define BOOTM_ENABLE_MEMORY_TAGS 0 -#endif - -#ifdef CONFIG_CMDLINE_TAG - #define BOOTM_ENABLE_CMDLINE_TAG 1 -#else - #define BOOTM_ENABLE_CMDLINE_TAG 0 -#endif - -#ifdef CONFIG_INITRD_TAG - #define BOOTM_ENABLE_INITRD_TAG 1 -#else - #define BOOTM_ENABLE_INITRD_TAG 0 -#endif - -#ifdef CONFIG_SERIAL_TAG - #define BOOTM_ENABLE_SERIAL_TAG 1 -void get_board_serial(struct tag_serialnr *serialnr); -#else - #define BOOTM_ENABLE_SERIAL_TAG 0 -static inline void get_board_serial(struct tag_serialnr *serialnr) -{ -} -#endif - -#ifdef CONFIG_REVISION_TAG - #define BOOTM_ENABLE_REVISION_TAG 1 -u32 get_board_rev(void); -#else - #define BOOTM_ENABLE_REVISION_TAG 0 -static inline u32 get_board_rev(void) -{ - return 0; -} -#endif - #endif diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c index 545d629caa..9242fa891a 100644 --- a/arch/riscv/lib/bootm.c +++ b/arch/riscv/lib/bootm.c @@ -21,26 +21,6 @@ int arch_fixup_fdt(void *blob) return 0; } -#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ - defined(CONFIG_CMDLINE_TAG) || \ - defined(CONFIG_INITRD_TAG) || \ - defined(CONFIG_SERIAL_TAG) || \ - defined(CONFIG_REVISION_TAG) -static void setup_start_tag(bd_t *bd); - -# ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags(bd_t *bd); -# endif -static void setup_commandline_tag(bd_t *bd, char *commandline); - -# ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end); -# endif -static void setup_end_tag(bd_t *bd); - -static struct tag *params; -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ - int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) { bd_t *bd = gd->bd; @@ -48,10 +28,6 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) int machid = bd->bi_arch_number; void (*theKernel)(int arch, uint params); -#ifdef CONFIG_CMDLINE_TAG - char *commandline = env_get("bootargs"); -#endif - /* * allow the PREP bootm subcommand, it is required for bootm to work */ @@ -82,167 +58,16 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) hang(); } #endif - } else if (BOOTM_ENABLE_TAGS) { -#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ - defined(CONFIG_CMDLINE_TAG) || \ - defined(CONFIG_INITRD_TAG) || \ - defined(CONFIG_SERIAL_TAG) || \ - defined(CONFIG_REVISION_TAG) - setup_start_tag(bd); -#ifdef CONFIG_SERIAL_TAG - setup_serial_tag(¶ms); -#endif -#ifdef CONFIG_REVISION_TAG - setup_revision_tag(¶ms); -#endif -#ifdef CONFIG_SETUP_MEMORY_TAGS - setup_memory_tags(bd); -#endif -#ifdef CONFIG_CMDLINE_TAG - setup_commandline_tag(bd, commandline); -#endif -#ifdef CONFIG_INITRD_TAG - if (images->rd_start && images->rd_end) - setup_initrd_tag(bd, images->rd_start, images->rd_end); -#endif - setup_end_tag(bd); -#endif + } /* we assume that the kernel is in place */ printf("\nStarting kernel ...\n\n"); -#ifdef CONFIG_USB_DEVICE - { - extern void udc_disconnect(void); - udc_disconnect(); - } -#endif - } cleanup_before_linux(); if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) theKernel(machid, (unsigned long)images->ft_addr); - else - theKernel(machid, bd->bi_boot_params); + /* does not return */ return 1; } - -#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ - defined(CONFIG_CMDLINE_TAG) || \ - defined(CONFIG_INITRD_TAG) || \ - defined(CONFIG_SERIAL_TAG) || \ - defined(CONFIG_REVISION_TAG) -static void setup_start_tag(bd_t *bd) -{ - params = (struct tag *)bd->bi_boot_params; - - params->hdr.tag = ATAG_CORE; - params->hdr.size = tag_size(tag_core); - - params->u.core.flags = 0; - params->u.core.pagesize = 0; - params->u.core.rootdev = 0; - - params = tag_next(params); -} - -#ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags(bd_t *bd) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - params->hdr.tag = ATAG_MEM; - params->hdr.size = tag_size(tag_mem32); - - params->u.mem.start = bd->bi_dram[i].start; - params->u.mem.size = bd->bi_dram[i].size; - - params = tag_next(params); - } -} -#endif /* CONFIG_SETUP_MEMORY_TAGS */ - -static void setup_commandline_tag(bd_t *bd, char *commandline) -{ - char *p; - - if (!commandline) - return; - - /* eat leading white space */ - for (p = commandline; *p == ' '; p++) - ; - - /* skip non-existent command lines so the kernel will still - * use its default command line. - */ - if (*p == '\0') - return; - - params->hdr.tag = ATAG_CMDLINE; - params->hdr.size = - (sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2; - - strcpy(params->u.cmdline.cmdline, p) - ; - - params = tag_next(params); -} - -#ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end) -{ - /* an ATAG_INITRD node tells the kernel where the compressed - * ramdisk can be found. ATAG_RDIMG is a better name, actually. - */ - params->hdr.tag = ATAG_INITRD2; - params->hdr.size = tag_size(tag_initrd); - - params->u.initrd.start = initrd_start; - params->u.initrd.size = initrd_end - initrd_start; - - params = tag_next(params); -} -#endif /* CONFIG_INITRD_TAG */ - -#ifdef CONFIG_SERIAL_TAG -void setup_serial_tag(struct tag **tmp) -{ - void get_board_serial(struct tag_serialnr *serialnr); - struct tag *params; - struct tag_serialnr serialnr; - - params = *tmp; - get_board_serial(&serialnr); - params->hdr.tag = ATAG_SERIAL; - params->hdr.size = tag_size(tag_serialnr); - params->u.serialnr.low = serialnr.low; - params->u.serialnr.high = serialnr.high; - params = tag_next(params); - *tmp = params; -} -#endif - -#ifdef CONFIG_REVISION_TAG -void setup_revision_tag(struct tag **in_params) -{ - u32 get_board_rev(void); - u32 rev; - - rev = get_board_rev(); - params->hdr.tag = ATAG_REVISION; - params->hdr.size = tag_size(tag_revision); - params->u.revision.rev = rev; - params = tag_next(params); -} -#endif /* CONFIG_REVISION_TAG */ - -static void setup_end_tag(bd_t *bd) -{ - params->hdr.tag = ATAG_NONE; - params->hdr.size = 0; -} - -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ -- 2.30.2