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https://github.com/AsahiLinux/u-boot
synced 2024-11-28 23:51:33 +00:00
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 <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com>
This commit is contained in:
Rick Chen
Andes
parent
0462358b62
commit
22b7e6fbd3
2 changed files with 2 additions and 226 deletions
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@ -13,53 +13,4 @@
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#include <asm/setup.h>
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#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
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defined(CONFIG_CMDLINE_TAG) || \
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defined(CONFIG_INITRD_TAG) || \
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defined(CONFIG_SERIAL_TAG) || \
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defined(CONFIG_REVISION_TAG)
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# define BOOTM_ENABLE_TAGS 1
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#else
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# define BOOTM_ENABLE_TAGS 0
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#endif
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#ifdef CONFIG_SETUP_MEMORY_TAGS
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# define BOOTM_ENABLE_MEMORY_TAGS 1
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#else
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# define BOOTM_ENABLE_MEMORY_TAGS 0
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#endif
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#ifdef CONFIG_CMDLINE_TAG
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#define BOOTM_ENABLE_CMDLINE_TAG 1
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#else
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#define BOOTM_ENABLE_CMDLINE_TAG 0
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#endif
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#ifdef CONFIG_INITRD_TAG
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#define BOOTM_ENABLE_INITRD_TAG 1
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#else
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#define BOOTM_ENABLE_INITRD_TAG 0
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#endif
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#ifdef CONFIG_SERIAL_TAG
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#define BOOTM_ENABLE_SERIAL_TAG 1
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void get_board_serial(struct tag_serialnr *serialnr);
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#else
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#define BOOTM_ENABLE_SERIAL_TAG 0
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static inline void get_board_serial(struct tag_serialnr *serialnr)
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{
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}
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#endif
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#ifdef CONFIG_REVISION_TAG
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#define BOOTM_ENABLE_REVISION_TAG 1
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u32 get_board_rev(void);
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#else
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#define BOOTM_ENABLE_REVISION_TAG 0
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static inline u32 get_board_rev(void)
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{
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return 0;
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}
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#endif
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#endif
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@ -21,26 +21,6 @@ int arch_fixup_fdt(void *blob)
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return 0;
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}
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#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
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defined(CONFIG_CMDLINE_TAG) || \
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defined(CONFIG_INITRD_TAG) || \
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defined(CONFIG_SERIAL_TAG) || \
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defined(CONFIG_REVISION_TAG)
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static void setup_start_tag(bd_t *bd);
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# ifdef CONFIG_SETUP_MEMORY_TAGS
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static void setup_memory_tags(bd_t *bd);
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# endif
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static void setup_commandline_tag(bd_t *bd, char *commandline);
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# ifdef CONFIG_INITRD_TAG
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static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end);
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# endif
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static void setup_end_tag(bd_t *bd);
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static struct tag *params;
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#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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{
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bd_t *bd = gd->bd;
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@ -48,10 +28,6 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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int machid = bd->bi_arch_number;
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void (*theKernel)(int arch, uint params);
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#ifdef CONFIG_CMDLINE_TAG
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char *commandline = env_get("bootargs");
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#endif
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/*
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* allow the PREP bootm subcommand, it is required for bootm to work
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*/
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@ -82,167 +58,16 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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hang();
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}
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#endif
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} else if (BOOTM_ENABLE_TAGS) {
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#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
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defined(CONFIG_CMDLINE_TAG) || \
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defined(CONFIG_INITRD_TAG) || \
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defined(CONFIG_SERIAL_TAG) || \
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defined(CONFIG_REVISION_TAG)
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setup_start_tag(bd);
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#ifdef CONFIG_SERIAL_TAG
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setup_serial_tag(¶ms);
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#endif
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#ifdef CONFIG_REVISION_TAG
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setup_revision_tag(¶ms);
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#endif
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#ifdef CONFIG_SETUP_MEMORY_TAGS
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setup_memory_tags(bd);
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#endif
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#ifdef CONFIG_CMDLINE_TAG
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setup_commandline_tag(bd, commandline);
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#endif
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#ifdef CONFIG_INITRD_TAG
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if (images->rd_start && images->rd_end)
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setup_initrd_tag(bd, images->rd_start, images->rd_end);
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#endif
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setup_end_tag(bd);
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#endif
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}
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/* we assume that the kernel is in place */
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printf("\nStarting kernel ...\n\n");
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#ifdef CONFIG_USB_DEVICE
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{
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extern void udc_disconnect(void);
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udc_disconnect();
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}
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#endif
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}
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cleanup_before_linux();
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if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
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theKernel(machid, (unsigned long)images->ft_addr);
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else
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theKernel(machid, bd->bi_boot_params);
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/* does not return */
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return 1;
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}
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#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
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defined(CONFIG_CMDLINE_TAG) || \
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defined(CONFIG_INITRD_TAG) || \
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defined(CONFIG_SERIAL_TAG) || \
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defined(CONFIG_REVISION_TAG)
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static void setup_start_tag(bd_t *bd)
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{
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params = (struct tag *)bd->bi_boot_params;
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params->hdr.tag = ATAG_CORE;
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params->hdr.size = tag_size(tag_core);
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params->u.core.flags = 0;
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params->u.core.pagesize = 0;
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params->u.core.rootdev = 0;
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params = tag_next(params);
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}
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#ifdef CONFIG_SETUP_MEMORY_TAGS
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static void setup_memory_tags(bd_t *bd)
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{
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int i;
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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params->hdr.tag = ATAG_MEM;
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params->hdr.size = tag_size(tag_mem32);
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params->u.mem.start = bd->bi_dram[i].start;
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params->u.mem.size = bd->bi_dram[i].size;
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params = tag_next(params);
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}
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}
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#endif /* CONFIG_SETUP_MEMORY_TAGS */
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static void setup_commandline_tag(bd_t *bd, char *commandline)
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{
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char *p;
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if (!commandline)
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return;
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/* eat leading white space */
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for (p = commandline; *p == ' '; p++)
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;
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/* skip non-existent command lines so the kernel will still
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* use its default command line.
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*/
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if (*p == '\0')
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return;
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params->hdr.tag = ATAG_CMDLINE;
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params->hdr.size =
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(sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2;
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strcpy(params->u.cmdline.cmdline, p)
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;
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params = tag_next(params);
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}
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#ifdef CONFIG_INITRD_TAG
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static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)
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{
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/* an ATAG_INITRD node tells the kernel where the compressed
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* ramdisk can be found. ATAG_RDIMG is a better name, actually.
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*/
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params->hdr.tag = ATAG_INITRD2;
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params->hdr.size = tag_size(tag_initrd);
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params->u.initrd.start = initrd_start;
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params->u.initrd.size = initrd_end - initrd_start;
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params = tag_next(params);
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}
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#endif /* CONFIG_INITRD_TAG */
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#ifdef CONFIG_SERIAL_TAG
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void setup_serial_tag(struct tag **tmp)
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{
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void get_board_serial(struct tag_serialnr *serialnr);
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struct tag *params;
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struct tag_serialnr serialnr;
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params = *tmp;
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get_board_serial(&serialnr);
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params->hdr.tag = ATAG_SERIAL;
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params->hdr.size = tag_size(tag_serialnr);
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params->u.serialnr.low = serialnr.low;
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params->u.serialnr.high = serialnr.high;
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params = tag_next(params);
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*tmp = params;
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}
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#endif
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#ifdef CONFIG_REVISION_TAG
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void setup_revision_tag(struct tag **in_params)
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{
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u32 get_board_rev(void);
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u32 rev;
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rev = get_board_rev();
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params->hdr.tag = ATAG_REVISION;
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params->hdr.size = tag_size(tag_revision);
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params->u.revision.rev = rev;
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params = tag_next(params);
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}
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#endif /* CONFIG_REVISION_TAG */
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static void setup_end_tag(bd_t *bd)
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{
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params->hdr.tag = ATAG_NONE;
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params->hdr.size = 0;
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}
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#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
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