[PATCH 0/3] patches to allow DTB to be appended to the ARM zImage
From: tony@atomide.com (Tony Lindgren)
Date: 2011-06-14 14:53:29
Also in:
linux-devicetree
Possibly related (same subject, not in this thread)
- 2011-09-06 · Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage · Linus Walleij <hidden>
- 2011-09-05 · Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage · Nicolas Pitre <hidden>
- 2011-09-05 · Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage · Tony Lindgren <tony@atomide.com>
- 2011-06-21 · Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage · David Gibson <hidden>
- 2011-06-15 · Re: [PATCH 0/3] patches to allow DTB to be appended to the ARM zImage · Tony Lindgren <tony@atomide.com>
* Nicolas Pitre [off-list ref] [110614 00:04]:
+
+ for_each_tag(atag, atag_list) {
+ if (atag->hdr.tag == ATAG_CMDLINE) {
+ setprop_string(dt, "/chosen", "bootargs",
+ atag->u.cmdline.cmdline);
+ } else if (atag->hdr.tag == ATAG_MEM) {
+ uint32_t mem_reg_property[2];
+ mem_reg_property[0] = cpu_to_fdt32(atag->u.mem.start);
+ mem_reg_property[1] = cpu_to_fdt32(atag->u.mem.size);
+ setprop(dt, "/memory", "reg", mem_reg_property,
+ sizeof(mem_reg_property));
+ } else if (atag->hdr.tag == ATAG_INITRD2) {
+ uint32_t initrd_start, initrd_size;
+ initrd_start = atag->u.initrd.start;
+ initrd_size = atag->u.initrd.size;
+ setprop_cell(dt, "/chosen", "linux,initrd-start",
+ initrd_start);
+ setprop_cell(dt, "/chosen", "linux,initrd-end",
+ initrd_start + initrd_size);
+ }
+ }I think Russell posted a complete list of the ATAGs to translate somewhere, but at least ATAG_REVISION is missing here. That's being used quite a bit as system_rev to set things dynamically. Regards, Tony