6  * SPDX-License-Identifier:	GPL-2.0+
12 #include <u-boot/zlib.h>
24 static void setup_start_tag(bd_t *bd);
27 static void setup_memory_tags(bd_t *bd);
29 static void setup_commandline_tag(bd_t *bd, char *commandline);
32 static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end);
34 static void setup_end_tag(bd_t *bd);
41 	bd_t	*bd = gd->bd;  in do_bootm_linux()  local
43 	int	machid = bd->bi_arch_number;  in do_bootm_linux()
59 	theKernel = (void (*)(int, int, uint))images->ep;  in do_bootm_linux()
72 	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {  in do_bootm_linux()
86 	setup_start_tag(bd);  in do_bootm_linux()
94 	setup_memory_tags(bd);  in do_bootm_linux()
97 	setup_commandline_tag(bd, commandline);  in do_bootm_linux()
100 	if (images->rd_start && images->rd_end)  in do_bootm_linux()
101 		setup_initrd_tag(bd, images->rd_start, images->rd_end);  in do_bootm_linux()
103 	setup_end_tag(bd);  in do_bootm_linux()
117 	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)  in do_bootm_linux()
118 		theKernel(0, machid, (unsigned long)images->ft_addr);  in do_bootm_linux()
120 		theKernel(0, machid, bd->bi_boot_params);  in do_bootm_linux()
131 static void setup_start_tag(bd_t *bd)  in setup_start_tag()  argument
133 	params = (struct tag *)bd->bi_boot_params;  in setup_start_tag()
135 	params->hdr.tag = ATAG_CORE;  in setup_start_tag()
136 	params->hdr.size = tag_size(tag_core);  in setup_start_tag()
138 	params->u.core.flags = 0;  in setup_start_tag()
139 	params->u.core.pagesize = 0;  in setup_start_tag()
140 	params->u.core.rootdev = 0;  in setup_start_tag()
146 static void setup_memory_tags(bd_t *bd)  in setup_memory_tags()  argument
151 		params->hdr.tag = ATAG_MEM;  in setup_memory_tags()
152 		params->hdr.size = tag_size(tag_mem32);  in setup_memory_tags()
154 		params->u.mem.start = bd->bi_dram[i].start;  in setup_memory_tags()
155 		params->u.mem.size = bd->bi_dram[i].size;  in setup_memory_tags()
162 static void setup_commandline_tag(bd_t *bd, char *commandline)  in setup_commandline_tag()  argument
173 	/* skip non-existent command lines so the kernel will still  in setup_commandline_tag()
179 	params->hdr.tag = ATAG_CMDLINE;  in setup_commandline_tag()
180 	params->hdr.size =  in setup_commandline_tag()
183 	strcpy(params->u.cmdline.cmdline, p)  in setup_commandline_tag()
190 static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)  in setup_initrd_tag()  argument
195 	params->hdr.tag = ATAG_INITRD2;  in setup_initrd_tag()
196 	params->hdr.size = tag_size(tag_initrd);  in setup_initrd_tag()
198 	params->u.initrd.start = initrd_start;  in setup_initrd_tag()
199 	params->u.initrd.size = initrd_end - initrd_start;  in setup_initrd_tag()
213 	params->hdr.tag = ATAG_SERIAL;  in setup_serial_tag()
214 	params->hdr.size = tag_size(tag_serialnr);  in setup_serial_tag()
215 	params->u.serialnr.low = serialnr.low;  in setup_serial_tag()
216 	params->u.serialnr.high = serialnr.high;  in setup_serial_tag()
229 	params->hdr.tag = ATAG_REVISION;  in setup_revision_tag()
230 	params->hdr.size = tag_size(tag_revision);  in setup_revision_tag()
231 	params->u.revision.rev = rev;  in setup_revision_tag()
236 static void setup_end_tag(bd_t *bd)  in setup_end_tag()  argument
238 	params->hdr.tag = ATAG_NONE;  in setup_end_tag()
239 	params->hdr.size = 0;  in setup_end_tag()