[PATCH v3 34/44] x86: Support a 64-bit ramdisk address

[Simon Glass]

Add some missing pieces to bootparams so that a 64-bit ramdisk address
can be used. Tidy up the logging while we are here.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v3:
- Add new patch to support a 64-bit ramdisk address

 arch/x86/include/asm/bootparam.h | 15 ++++++++++++++-
 arch/x86/lib/zimage.c            | 12 +++++++-----
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index ac4865300f1..657d920b14f 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -122,6 +122,14 @@ struct efi_info {
 	__u32 efi_memmap_hi;
 };
 
+/* Gleaned from OFW's set-parameters in cpu/x86/pc/linux.fth */
+struct olpc_ofw_header {
+	__u32 ofw_magic;	/* OFW signature */
+	__u32 ofw_version;
+	__u32 cif_handler;	/* callback into OFW */
+	__u32 irq_desc_table;
+} __attribute__((packed));
+
 /* The so-called "zeropage" */
 struct boot_params {
 	struct screen_info screen_info;			/* 0x000 */
@@ -134,7 +142,12 @@ struct boot_params {
 	__u8  hd0_info[16];	/* obsolete! */		/* 0x080 */
 	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
 	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
-	__u8  _pad4[144];				/* 0x0b0 */
+	struct olpc_ofw_header olpc_ofw_header;		/* 0x0b0 */
+	__u32 ext_ramdisk_image;			/* 0x0c0 */
+	__u32 ext_ramdisk_size;				/* 0x0c4 */
+	__u32 ext_cmd_line_ptr;				/* 0x0c8 */
+	__u8  _pad4[112];				/* 0x0cc */
+	__u32 cc_blob_address;				/* 0x13c */
 	struct edid_info edid_info;			/* 0x140 */
 	struct efi_info efi_info;			/* 0x1c0 */
 	__u32 alt_mem_k;				/* 0x1e0 */
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index 3ffc7593f87..bd1ee273dec 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -222,7 +222,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
 	else
 		*load_addressp = ZIMAGE_LOAD_ADDR;
 
-	printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
+	printf("Building boot_params at %lx\n", (ulong)setup_base);
 	memset(setup_base, 0, sizeof(*setup_base));
 	setup_base->hdr = params->hdr;
 
@@ -298,10 +298,13 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
 		hdr->type_of_loader = 0x80;	/* U-Boot version 0 */
 		if (initrd_addr) {
 			printf("Initial RAM disk at linear address "
-			       "0x%08lx, size %ld bytes\n",
-			       initrd_addr, initrd_size);
+			       "%lx, size %lx (%ld bytes)\n",
+			       initrd_addr, initrd_size, initrd_size);
 
 			hdr->ramdisk_image = initrd_addr;
+			setup_base->ext_ramdisk_image = 0;
+			setup_base->ext_ramdisk_size = 0;
+			setup_base->ext_cmd_line_ptr = 0;
 			hdr->ramdisk_size = initrd_size;
 		}
 	}
@@ -372,8 +375,7 @@ int zboot_load(struct bootm_info *bmi)
 		struct boot_params *from = (struct boot_params *)bmi->base_ptr;
 
 		base_ptr = (struct boot_params *)DEFAULT_SETUP_BASE;
-		log_debug("Building boot_params at 0x%8.8lx\n",
-			  (ulong)base_ptr);
+		log_debug("Building boot_params at %lx\n", (ulong)base_ptr);
 		memset(base_ptr, '\0', sizeof(*base_ptr));
 		base_ptr->hdr = from->hdr;
 	} else {
-- 
2.43.0