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From e796582b499f0ba6acaa1ac3a10c09cceaab7702 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 9 Mar 2014 04:55:52 +0100
Subject: [PATCH] MIPS: BCM63XX: add inventel Livebox support

---
 arch/mips/bcm63xx/boards/Kconfig         |    6 +
 arch/mips/bcm63xx/boards/Makefile        |    1 +
 arch/mips/bcm63xx/boards/board_common.c  |    2 +-
 arch/mips/bcm63xx/boards/board_common.h  |    6 +
 arch/mips/bcm63xx/boards/board_livebox.c |  215 ++++++++++++++++++++++++++++++
 5 files changed, 229 insertions(+), 1 deletion(-)
 create mode 100644 arch/mips/bcm63xx/boards/board_livebox.c

--- a/arch/mips/bcm63xx/boards/Kconfig
+++ b/arch/mips/bcm63xx/boards/Kconfig
@@ -13,4 +13,10 @@ config BOARD_BCM963XX
        default y
        help
 
+config BOARD_LIVEBOX
+       bool "Inventel Livebox(es) boards"
+       select SSB
+       help
+         Inventel Livebox boards using the RedBoot bootloader.
+
 endmenu
--- a/arch/mips/bcm63xx/boards/Makefile
+++ b/arch/mips/bcm63xx/boards/Makefile
@@ -1,2 +1,3 @@
 obj-y                                  += board_common.o
 obj-$(CONFIG_BOARD_BCM963XX)           += board_bcm963xx.o
+obj-$(CONFIG_BOARD_LIVEBOX)            += board_livebox.o
--- a/arch/mips/bcm63xx/boards/board_common.c
+++ b/arch/mips/bcm63xx/boards/board_common.c
@@ -54,7 +54,7 @@ void __init board_prom_init(void)
        if (fw_arg3 == CFE_EPTSEAL)
                board_bcm963xx_init();
        else
-               panic("unsupported bootloader detected");
+               board_livebox_init();
 }
 
 static int (*board_get_mac_address)(u8 mac[ETH_ALEN]);
--- a/arch/mips/bcm63xx/boards/board_common.h
+++ b/arch/mips/bcm63xx/boards/board_common.h
@@ -24,4 +24,10 @@ static inline void board_of_device_prese
 }
 #endif
 
+#if defined(CONFIG_BOARD_LIVEBOX)
+void board_livebox_init(void);
+#else
+static inline void board_livebox_init(void) { }
+#endif
+
 #endif /* __BOARD_COMMON_H */
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/board_livebox.c
@@ -0,0 +1,155 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/input.h>
+#include <asm/addrspace.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_dev_flash.h>
+#include <board_bcm963xx.h>
+
+#include "board_common.h"
+
+#define PFX    "board_livebox: "
+
+static unsigned int mac_addr_used = 0;
+
+/*
+ * known 6348 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_6348
+static struct board_info __initdata board_livebox_blue5g = {
+       .name                           = "Livebox-blue-5g",
+       .expected_cpu_id                = 0x6348,
+
+       .has_enet0                      = 1,
+       .has_enet1                      = 1,
+       .has_pci                        = 1,
+
+       .enet0 = {
+               .has_phy                = 1,
+               .use_internal_phy       = 1,
+       },
+
+       .enet1 = {
+                 .has_phy              = 1,
+                 .phy_id               = 31,
+       },
+
+       .ephy_reset_gpio                = 6,
+       .ephy_reset_gpio_flags          = GPIO_ACTIVE_LOW,
+
+       .has_ohci0                      = 1,
+       .has_pccard                     = 1,
+};
+#endif
+
+/*
+ * all boards
+ */
+static const struct board_info __initdata *bcm963xx_boards[] = {
+#ifdef CONFIG_BCM63XX_CPU_6348
+       &board_livebox_blue5g
+#endif
+};
+
+static struct of_device_id const livebox_boards_dt[] = {
+       { .compatible = "inventel,livebox-blue-5g", .data = &board_livebox_blue5g, },
+       { }
+};
+
+/*
+ * register & return a new board mac address
+ */
+static int livebox_get_mac_address(u8 *mac)
+{
+       u8 *p;
+       int count;
+
+       memcpy(mac, (u8 *)0xBEBFF377, ETH_ALEN);
+
+       p = mac + ETH_ALEN - 1;
+       count = mac_addr_used;
+
+       while (count--) {
+               do {
+                       (*p)++;
+                       if (*p != 0)
+                               break;
+                       p--;
+               } while (p != mac);
+       }
+
+       if (p == mac) {
+               printk(KERN_ERR PFX "unable to fetch mac address\n");
+               return -ENODEV;
+       }
+        mac_addr_used++;
+
+       return 0;
+}
+
+/*
+ * early init callback
+ */
+#define LIVEBOX_GPIO_DETECT_MASK       0x000000ff
+#define LIVEBOX_BOOT_ADDR              0x1e400000
+
+#define LIVEBOX_HW_BLUE5G_9            0x90
+
+void __init board_livebox_init(void)
+{
+       u32 val;
+       u8 hw_version;
+       const struct board_info *board;
+       const struct of_device_id *board_match;
+
+       /* find board by compat */
+       board_match = bcm63xx_match_board(livebox_boards_dt);
+       if (board_match) {
+               board = board_match->data;
+       } else {
+               /* Get hardware version */
+               val = bcm_gpio_readl(GPIO_CTL_LO_REG);
+               val &= ~LIVEBOX_GPIO_DETECT_MASK;
+               bcm_gpio_writel(val, GPIO_CTL_LO_REG);
+
+               hw_version = bcm_gpio_readl(GPIO_DATA_LO_REG);
+               hw_version &= LIVEBOX_GPIO_DETECT_MASK;
+
+               switch (hw_version) {
+               case LIVEBOX_HW_BLUE5G_9:
+                       printk(KERN_INFO PFX "Livebox BLUE5G.9\n");
+                       board = bcm963xx_boards[0];
+                       break;
+               default:
+                       printk(KERN_INFO PFX "Unknown livebox version: %02x\n",
+                              hw_version);
+                       /* use default livebox configuration */
+                       board = bcm963xx_boards[0];
+                       break;
+               }
+       }
+
+       /* use default livebox configuration */
+       board_early_setup(board, livebox_get_mac_address);
+
+       /* read base address of boot chip select (0) */
+       val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+       val &= MPI_CSBASE_BASE_MASK;
+       if (val != LIVEBOX_BOOT_ADDR) {
+               printk(KERN_NOTICE PFX "flash address is: 0x%08x, forcing to: 0x%08x\n",
+                       val, LIVEBOX_BOOT_ADDR);
+               bcm63xx_flash_force_phys_base_address(LIVEBOX_BOOT_ADDR, 0x1ebfffff);
+       }
+}

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