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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
@@ -12,4 +12,10 @@ 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
@@ -55,7 +55,7 @@ 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 +1,163 @@
+/*
+ * 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,
+
+ .has_dsp = 0, /*TODO some Liveboxes have dsp*/
+ .dsp = {
+ .gpio_rst = 6,
+ .gpio_int = 35,
+ .cs = 2,
+ .ext_irq = 2,
+ },
+};
+#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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