X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=meta-agl-bsp%2Fmeta-raspberrypi%2Frecipes-bsp%2Fu-boot%2Ffiles%2F0001-board-raspberrypi-add-serial-and-revision-to-the-dev-2019.07.patch;fp=meta-agl-bsp%2Fmeta-raspberrypi%2Frecipes-bsp%2Fu-boot%2Ffiles%2F0001-board-raspberrypi-add-serial-and-revision-to-the-dev-2019.07.patch;h=964cdb7a2a8833c7b63293f58e258218bcc89d10;hb=71aaf3886c5dd98b04cb9c6abe40850090a09fde;hp=0000000000000000000000000000000000000000;hpb=6e89e0296dd28b0c0e9f0f0693f096c281b9d908;p=AGL%2Fmeta-agl.git

diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-bsp/u-boot/files/0001-board-raspberrypi-add-serial-and-revision-to-the-dev-2019.07.patch b/meta-agl-bsp/meta-raspberrypi/recipes-bsp/u-boot/files/0001-board-raspberrypi-add-serial-and-revision-to-the-dev-2019.07.patch
new file mode 100644
index 000000000..964cdb7a2
--- /dev/null
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-bsp/u-boot/files/0001-board-raspberrypi-add-serial-and-revision-to-the-dev-2019.07.patch
@@ -0,0 +1,82 @@
+From 86cc911aaa958fedf2ea9cb04b4af17f5357815d Mon Sep 17 00:00:00 2001
+From: Anton Gerasimov <anton.gerasimov@here.com>
+Date: Fri, 1 Feb 2019 14:39:48 +0100
+Subject: [PATCH] board: raspberrypi: add serial and revision to the device
+ tree
+
+Raspberry Pi bootloader adds this node to fdt, but if u-boot script
+doesn't reuse the tree provided by it, this information is lost.
+
+Revision and serial are displayed in /proc/cpuinfo after boot.
+
+Signed-off-by: Anton Gerasimov <anton.gerasimov@here.com>
+---
+ board/raspberrypi/rpi/rpi.c | 31 +++++++++++++++++++++++++++++--
+ 1 file changed, 29 insertions(+), 2 deletions(-)
+
+diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
+index 35f5939552..114178397e 100644
+--- a/board/raspberrypi/rpi/rpi.c
++++ b/board/raspberrypi/rpi/rpi.c
+@@ -241,6 +241,8 @@ static uint32_t rev_scheme;
+ static uint32_t rev_type;
+ static const struct rpi_model *model;
+ 
++uint64_t serial;
++
+ #ifdef CONFIG_ARM64
+ static struct mm_region bcm2837_mem_map[] = {
+ 	{
+@@ -384,8 +386,8 @@ static void set_serial_number(void)
+ 		return;
+ 	}
+ 
+-	snprintf(serial_string, sizeof(serial_string), "%016llx",
+-		 msg->get_board_serial.body.resp.serial);
++	serial = msg->get_board_serial.body.resp.serial;
++	snprintf(serial_string, sizeof(serial_string), "%016llx", serial);
+ 	env_set("serial#", serial_string);
+ }
+ 
+@@ -478,6 +480,29 @@ void *board_fdt_blob_setup(void)
+ 	return (void *)fw_dtb_pointer;
+ }
+ 
++static int ft_add_revision_info(void *blob) {
++	int off;
++	int ret;
++
++	off = fdt_subnode_offset(blob, 0, "system");
++
++	if (off < 0) {
++		off = fdt_add_subnode(blob, 0, "system");
++		if (off < 0)
++			return -1;
++	}
++
++	ret = fdt_setprop_u64(blob, off, "linux,serial", serial);
++	if (ret < 0)
++		return -1;
++
++	ret = fdt_setprop_u32(blob, off, "linux,revision", revision);
++	if (ret < 0)
++		return -1;
++
++	return 0;
++}
++
+ int ft_board_setup(void *blob, bd_t *bd)
+ {
+ 	/*
+@@ -487,6 +512,8 @@ int ft_board_setup(void *blob, bd_t *bd)
+ 	 */
+ 	lcd_dt_simplefb_add_node(blob);
+ 
++	ft_add_revision_info(blob);
++
+ #ifdef CONFIG_EFI_LOADER
+ 	/* Reserve the spin table */
+ 	efi_add_memory_map(0, 1, EFI_RESERVED_MEMORY_TYPE, 0);
+-- 
+2.17.1
+