X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fpowermac%2Fbootx_init.c;h=9d73d0234c5d3228cf0bd87a59d91ef83441aaef;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=fa8b4d7b5ded804864639426f0fa0ed939e0eafb;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index fa8b4d7b5..9d73d0234 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -9,11 +9,10 @@
  *  2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <asm/sections.h>
 #include <asm/prom.h>
 #include <asm/page.h>
@@ -161,9 +160,9 @@ static void __init bootx_dt_add_prop(char *name, void *data, int size,
 static void __init bootx_add_chosen_props(unsigned long base,
 					  unsigned long *mem_end)
 {
-	u32 val = _MACH_Pmac;
+	u32 val;
 
-	bootx_dt_add_prop("linux,platform", &val, 4, mem_end);
+	bootx_dt_add_prop("linux,bootx", NULL, 0, mem_end);
 
 	if (bootx_info->kernelParamsOffset) {
 		char *args = (char *)((unsigned long)bootx_info) +
@@ -182,10 +181,32 @@ static void __init bootx_add_chosen_props(unsigned long base,
 }
 
 static void __init bootx_add_display_props(unsigned long base,
-					   unsigned long *mem_end)
+					   unsigned long *mem_end,
+					   int has_real_node)
 {
-	bootx_dt_add_prop("linux,boot-display", NULL, 0, mem_end);
-	bootx_dt_add_prop("linux,opened", NULL, 0, mem_end);
+	boot_infos_t *bi = bootx_info;
+	u32 tmp;
+
+	if (has_real_node) {
+		bootx_dt_add_prop("linux,boot-display", NULL, 0, mem_end);
+		bootx_dt_add_prop("linux,opened", NULL, 0, mem_end);
+	} else
+		bootx_dt_add_prop("linux,bootx-noscreen", NULL, 0, mem_end);
+
+	tmp = bi->dispDeviceDepth;
+	bootx_dt_add_prop("linux,bootx-depth", &tmp, 4, mem_end);
+	tmp = bi->dispDeviceRect[2] - bi->dispDeviceRect[0];
+	bootx_dt_add_prop("linux,bootx-width", &tmp, 4, mem_end);
+	tmp = bi->dispDeviceRect[3] - bi->dispDeviceRect[1];
+	bootx_dt_add_prop("linux,bootx-height", &tmp, 4, mem_end);
+	tmp = bi->dispDeviceRowBytes;
+	bootx_dt_add_prop("linux,bootx-linebytes", &tmp, 4, mem_end);
+	tmp = (u32)bi->dispDeviceBase;
+	if (tmp == 0)
+		tmp = (u32)bi->logicalDisplayBase;
+	tmp += bi->dispDeviceRect[1] * bi->dispDeviceRowBytes;
+	tmp += bi->dispDeviceRect[0] * ((bi->dispDeviceDepth + 7) / 8);
+	bootx_dt_add_prop("linux,bootx-addr", &tmp, 4, mem_end);
 }
 
 static void __init bootx_dt_add_string(char *s, unsigned long *mem_end)
@@ -214,7 +235,7 @@ static void __init bootx_scan_dt_build_strings(unsigned long base,
 
 	if (!strcmp(namep, "/chosen")) {
 		DBG(" detected /chosen ! adding properties names !\n");
-		bootx_dt_add_string("linux,platform", mem_end);
+		bootx_dt_add_string("linux,bootx", mem_end);
 		bootx_dt_add_string("linux,stdout-path", mem_end);
 		bootx_dt_add_string("linux,initrd-start", mem_end);
 		bootx_dt_add_string("linux,initrd-end", mem_end);
@@ -308,10 +329,13 @@ static void __init bootx_scan_dt_build_struct(unsigned long base,
 		ppp = &pp->next;
 	}
 
-	if (node == bootx_node_chosen)
+	if (node == bootx_node_chosen) {
 		bootx_add_chosen_props(base, mem_end);
-	if (node == bootx_info->dispDeviceRegEntryOffset)
-		bootx_add_display_props(base, mem_end);
+		if (bootx_info->dispDeviceRegEntryOffset == 0)
+			bootx_add_display_props(base, mem_end, 0);
+	}
+	else if (node == bootx_info->dispDeviceRegEntryOffset)
+		bootx_add_display_props(base, mem_end, 1);
 
 	/* do all our children */
 	cpp = &np->child;
@@ -353,6 +377,14 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
 	mem_end += 4;
 	bootx_dt_strend = mem_end;
 	bootx_scan_dt_build_strings(base, 4, &mem_end);
+	/* Add some strings */
+	bootx_dt_add_string("linux,bootx-noscreen", &mem_end);
+	bootx_dt_add_string("linux,bootx-depth", &mem_end);
+	bootx_dt_add_string("linux,bootx-width", &mem_end);
+	bootx_dt_add_string("linux,bootx-height", &mem_end);
+	bootx_dt_add_string("linux,bootx-linebytes", &mem_end);
+	bootx_dt_add_string("linux,bootx-addr", &mem_end);
+	/* Wrap up strings */
 	hdr->off_dt_strings = bootx_dt_strbase - mem_start;
 	hdr->dt_strings_size = bootx_dt_strend - bootx_dt_strbase;
 
@@ -379,8 +411,15 @@ static unsigned long __init bootx_flatten_dt(unsigned long start)
 	DBG("End of boot params: %x\n", mem_end);
 	rsvmap[0] = mem_start;
 	rsvmap[1] = mem_end;
-	rsvmap[2] = 0;
-	rsvmap[3] = 0;
+	if (bootx_info->ramDisk) {
+		rsvmap[2] = ((unsigned long)bootx_info) + bootx_info->ramDisk;
+		rsvmap[3] = rsvmap[2] + bootx_info->ramDiskSize;
+		rsvmap[4] = 0;
+		rsvmap[5] = 0;
+	} else {
+		rsvmap[2] = 0;
+		rsvmap[3] = 0;
+	}
 
 	return (unsigned long)hdr;
 }
@@ -446,7 +485,15 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 	if (!BOOT_INFO_IS_V2_COMPATIBLE(bi))
 		bi->logicalDisplayBase = bi->dispDeviceBase;
 
+	/* Fixup depth 16 -> 15 as that's what MacOS calls 16bpp */
+	if (bi->dispDeviceDepth == 16)
+		bi->dispDeviceDepth = 15;
+
+
 #ifdef CONFIG_BOOTX_TEXT
+	ptr = (unsigned long)bi->logicalDisplayBase;
+	ptr += bi->dispDeviceRect[1] * bi->dispDeviceRowBytes;
+	ptr += bi->dispDeviceRect[0] * ((bi->dispDeviceDepth + 7) / 8);
 	btext_setup_display(bi->dispDeviceRect[2] - bi->dispDeviceRect[0],
 			    bi->dispDeviceRect[3] - bi->dispDeviceRect[1],
 			    bi->dispDeviceDepth, bi->dispDeviceRowBytes,
@@ -480,6 +527,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 #ifdef CONFIG_BOOTX_TEXT
 	btext_welcome(bi);
 #endif
+
 	/* New BootX enters kernel with MMU off, i/os are not allowed
 	 * here. This hack will have been done by the boostrap anyway.
 	 */
@@ -493,7 +541,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 		    && (strcmp(model, "iMac,1") == 0
 			|| strcmp(model, "PowerMac1,1") == 0)) {
 			bootx_printf("iMac,1 detected, shutting down USB \n");
-			out_le32((unsigned *)0x80880008, 1);	/* XXX */
+			out_le32((unsigned __iomem *)0x80880008, 1);	/* XXX */
 		}
 	}
 
@@ -502,12 +550,12 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
 	 */
 	if (bi->version < 5) {
 		space = bi->deviceTreeOffset + bi->deviceTreeSize;
-		if (bi->ramDisk)
+		if (bi->ramDisk >= space)
 			space = bi->ramDisk + bi->ramDiskSize;
 	} else
 		space = bi->totalParamsSize;
 
-	bootx_printf("Total space used by parameters & ramdisk: %x \n", space);
+	bootx_printf("Total space used by parameters & ramdisk: 0x%x \n", space);
 
 	/* New BootX will have flushed all TLBs and enters kernel with
 	 * MMU switched OFF, so this should not be useful anymore.