mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
387fd3ca26
Add 3.18 support based on 3.18-rc6. Only netboot tested. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 43461
97 lines
2.4 KiB
Diff
97 lines
2.4 KiB
Diff
From db896341299cbcb703821228574ba9b79b6a3565 Mon Sep 17 00:00:00 2001
|
|
From: Jonas Gorski <jogo@openwrt.org>
|
|
Date: Tue, 24 Jun 2014 10:57:51 +0200
|
|
Subject: [PATCH 45/48] MIPS: BCM63XX: add support for loading DTB
|
|
|
|
---
|
|
arch/mips/bcm63xx/boards/Kconfig | 4 ++++
|
|
arch/mips/bcm63xx/boards/board_common.c | 34 +++++++++++++++++++++++++++++++++
|
|
2 files changed, 38 insertions(+)
|
|
|
|
--- a/arch/mips/bcm63xx/boards/Kconfig
|
|
+++ b/arch/mips/bcm63xx/boards/Kconfig
|
|
@@ -1,6 +1,10 @@
|
|
menu "Board support"
|
|
depends on BCM63XX
|
|
|
|
+config BOARD_BCM63XX_DT
|
|
+ bool "Device Tree boards (experimential)"
|
|
+ select USE_OF
|
|
+
|
|
config BOARD_BCM963XX
|
|
bool "Generic Broadcom 963xx boards"
|
|
select SSB
|
|
--- a/arch/mips/bcm63xx/boards/board_common.c
|
|
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
|
@@ -10,6 +10,8 @@
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
+#include <linux/of_fdt.h>
|
|
+#include <linux/of_platform.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/ssb/ssb.h>
|
|
#include <linux/gpio_keys.h>
|
|
@@ -17,6 +19,7 @@
|
|
#include <asm/addrspace.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/fw/cfe/cfe_api.h>
|
|
+#include <asm/prom.h>
|
|
#include <bcm63xx_board.h>
|
|
#include <bcm63xx_cpu.h>
|
|
#include <bcm63xx_dev_uart.h>
|
|
@@ -129,8 +132,23 @@ void __init board_setup(void)
|
|
/* make sure we're running on expected cpu */
|
|
if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
|
|
panic("unexpected CPU for bcm963xx board");
|
|
+
|
|
+#if CONFIG_OF
|
|
+ if (initial_boot_params)
|
|
+ __dt_setup_arch(initial_boot_params);
|
|
+#endif
|
|
}
|
|
|
|
+#if CONFIG_OF
|
|
+void __init device_tree_init(void)
|
|
+{
|
|
+ if (!initial_boot_params)
|
|
+ return;
|
|
+
|
|
+ unflatten_and_copy_device_tree();
|
|
+}
|
|
+#endif
|
|
+
|
|
static struct gpio_led_platform_data bcm63xx_led_data;
|
|
|
|
static struct platform_device bcm63xx_gpio_leds = {
|
|
@@ -149,6 +167,13 @@ static struct platform_device bcm63xx_gp
|
|
.dev.platform_data = &bcm63xx_gpio_keys_data,
|
|
};
|
|
|
|
+#if CONFIG_OF
|
|
+static struct of_device_id of_ids[] = {
|
|
+ { /* filled at runtime */ },
|
|
+ { .compatible = "simple-bus" },
|
|
+ { },
|
|
+};
|
|
+#endif
|
|
/*
|
|
* third stage init callback, register all board devices.
|
|
*/
|
|
@@ -158,6 +183,15 @@ int __init board_register_devices(void)
|
|
int led_count = 0;
|
|
int usbh_ports = 0;
|
|
|
|
+#if CONFIG_OF
|
|
+ if (of_have_populated_dt()) {
|
|
+ snprintf(of_ids[0].compatible, sizeof(of_ids[0].compatible),
|
|
+ "brcm,bcm%x", bcm63xx_get_cpu_id());
|
|
+
|
|
+ of_platform_populate(NULL, of_ids, NULL, NULL);
|
|
+ }
|
|
+#endif
|
|
+
|
|
if (board.has_uart0)
|
|
bcm63xx_uart_register(0);
|
|
|