target/linux/brcm63xx/patches-3.18/513-MIPS-BCM63XX-add-inventel-Livebox-support.patch

   1 From e796582b499f0ba6acaa1ac3a10c09cceaab7702 Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sun, 9 Mar 2014 04:55:52 +0100
   4 Subject: [PATCH] MIPS: BCM63XX: add inventel Livebox support
   5
   6 ---
   7  arch/mips/bcm63xx/boards/Kconfig         |    6 +
   8  arch/mips/bcm63xx/boards/Makefile        |    1 +
   9  arch/mips/bcm63xx/boards/board_common.c  |    2 +-
  10  arch/mips/bcm63xx/boards/board_common.h  |    6 +
  11  arch/mips/bcm63xx/boards/board_livebox.c |  215 ++++++++++++++++++++++++++++++
  12  5 files changed, 229 insertions(+), 1 deletion(-)
  13  create mode 100644 arch/mips/bcm63xx/boards/board_livebox.c
  14
  15 --- a/arch/mips/bcm63xx/boards/Kconfig
  16 +++ b/arch/mips/bcm63xx/boards/Kconfig
  17 @@ -12,4 +12,10 @@ config BOARD_BCM963XX
  18         default y
  19         help
  20
  21 +config BOARD_LIVEBOX
  22 +       bool "Inventel Livebox(es) boards"
  23 +       select SSB
  24 +       help
  25 +         Inventel Livebox boards using the RedBoot bootloader.
  26 +
  27  endmenu
  28 --- a/arch/mips/bcm63xx/boards/Makefile
  29 +++ b/arch/mips/bcm63xx/boards/Makefile
  30 @@ -1,2 +1,3 @@
  31  obj-y                                  += board_common.o
  32  obj-$(CONFIG_BOARD_BCM963XX)           += board_bcm963xx.o
  33 +obj-$(CONFIG_BOARD_LIVEBOX)            += board_livebox.o
  34 --- a/arch/mips/bcm63xx/boards/board_common.c
  35 +++ b/arch/mips/bcm63xx/boards/board_common.c
  36 @@ -61,7 +61,7 @@ void __init board_prom_init(void)
  37         if (fw_arg3 == CFE_EPTSEAL)
  38                 board_bcm963xx_init();
  39         else
  40 -               panic("unsupported bootloader detected");
  41 +               board_livebox_init();
  42  }
  43
  44  static int (*board_get_mac_address)(u8 mac[ETH_ALEN]);
  45 --- a/arch/mips/bcm63xx/boards/board_common.h
  46 +++ b/arch/mips/bcm63xx/boards/board_common.h
  47 @@ -24,4 +24,10 @@ static inline void board_of_device_prese
  48  }
  49  #endif
  50
  51 +#if defined(CONFIG_BOARD_LIVEBOX)
  52 +void board_livebox_init(void);
  53 +#else
  54 +static inline void board_livebox_init(void) { }
  55 +#endif
  56 +
  57  #endif /* __BOARD_COMMON_H */
  58 --- /dev/null
  59 +++ b/arch/mips/bcm63xx/boards/board_livebox.c
  60 @@ -0,0 +1,214 @@
  61 +/*
  62 + * This file is subject to the terms and conditions of the GNU General Public
  63 + * License.  See the file "COPYING" in the main directory of this archive
  64 + * for more details.
  65 + *
  66 + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
  67 + */
  68 +
  69 +#include <linux/init.h>
  70 +#include <linux/kernel.h>
  71 +#include <linux/string.h>
  72 +#include <linux/input.h>
  73 +#include <asm/addrspace.h>
  74 +#include <bcm63xx_board.h>
  75 +#include <bcm63xx_cpu.h>
  76 +#include <bcm63xx_regs.h>
  77 +#include <bcm63xx_io.h>
  78 +#include <bcm63xx_dev_flash.h>
  79 +#include <board_bcm963xx.h>
  80 +
  81 +#include "board_common.h"
  82 +
  83 +#define PFX    "board_livebox: "
  84 +
  85 +static unsigned int mac_addr_used = 0;
  86 +
  87 +/*
  88 + * known 6348 boards
  89 + */
  90 +#ifdef CONFIG_BCM63XX_CPU_6348
  91 +static struct board_info __initdata board_livebox_blue5g = {
  92 +       .name                           = "Livebox-blue-5g",
  93 +       .expected_cpu_id                = 0x6348,
  94 +
  95 +       .has_uart0                      = 1,
  96 +       .has_enet0                      = 1,
  97 +       .has_enet1                      = 1,
  98 +       .has_pci                        = 1,
  99 +
 100 +       .enet0 = {
 101 +               .has_phy                = 1,
 102 +               .use_internal_phy       = 1,
 103 +       },
 104 +
 105 +       .enet1 = {
 106 +                 .has_phy              = 1,
 107 +                 .phy_id               = 31,
 108 +       },
 109 +
 110 +       .ephy_reset_gpio                = 6,
 111 +       .ephy_reset_gpio_flags          = GPIO_ACTIVE_LOW,
 112 +
 113 +       .has_ohci0                      = 1,
 114 +       .has_pccard                     = 1,
 115 +
 116 +       .has_dsp                        = 0, /*TODO some Liveboxes have dsp*/
 117 +       .dsp = {
 118 +               .gpio_rst               = 6,
 119 +               .gpio_int               = 35,
 120 +               .cs                     = 2,
 121 +               .ext_irq                = 2,
 122 +       },
 123 +};
 124 +#endif
 125 +
 126 +/*
 127 + * all boards
 128 + */
 129 +static const struct board_info __initdata *bcm963xx_boards[] = {
 130 +#ifdef CONFIG_BCM63XX_CPU_6348
 131 +       &board_livebox_blue5g
 132 +#endif
 133 +};
 134 +
 135 +static struct of_device_id const livebox_boards_dt[] = {
 136 +       { .compatible = "inventel,livebox-blue-5g", .data = &board_livebox_blue5g, },
 137 +       { }
 138 +};
 139 +
 140 +/*
 141 + * register & return a new board mac address
 142 + */
 143 +static int livebox_get_mac_address(u8 *mac)
 144 +{
 145 +       u8 *p;
 146 +       int count;
 147 +
 148 +       memcpy(mac, (u8 *)0xBEBFF377, ETH_ALEN);
 149 +
 150 +       p = mac + ETH_ALEN - 1;
 151 +       count = mac_addr_used;
 152 +
 153 +       while (count--) {
 154 +               do {
 155 +                       (*p)++;
 156 +                       if (*p != 0)
 157 +                               break;
 158 +                       p--;
 159 +               } while (p != mac);
 160 +       }
 161 +
 162 +       if (p == mac) {
 163 +               printk(KERN_ERR PFX "unable to fetch mac address\n");
 164 +               return -ENODEV;
 165 +       }
 166 +        mac_addr_used++;
 167 +
 168 +       return 0;
 169 +}
 170 +
 171 +/*
 172 + * early init callback
 173 + */
 174 +#define LIVEBOX_GPIO_DETECT_MASK       0x000000ff
 175 +#define LIVEBOX_BOOT_ADDR              0x1e400000
 176 +
 177 +#define LIVEBOX_HW_BLUE5G_9            0x90
 178 +
 179 +void __init board_livebox_init(void)
 180 +{
 181 +       u32 val;
 182 +       u8 hw_version;
 183 +       const struct board_info *board;
 184 +       const struct of_device_id *board_match;
 185 +
 186 +       /* find board by compat */
 187 +       board_match = bcm63xx_match_board(livebox_boards_dt);
 188 +       if (board_match) {
 189 +               board = board_match->data;
 190 +       } else {
 191 +               /* Get hardware version */
 192 +               val = bcm_gpio_readl(GPIO_CTL_LO_REG);
 193 +               val &= ~LIVEBOX_GPIO_DETECT_MASK;
 194 +               bcm_gpio_writel(val, GPIO_CTL_LO_REG);
 195 +
 196 +               hw_version = bcm_gpio_readl(GPIO_DATA_LO_REG);
 197 +               hw_version &= LIVEBOX_GPIO_DETECT_MASK;
 198 +
 199 +               switch (hw_version) {
 200 +               case LIVEBOX_HW_BLUE5G_9:
 201 +                       printk(KERN_INFO PFX "Livebox BLUE5G.9\n");
 202 +                       board = bcm963xx_boards[0];
 203 +                       break;
 204 +               default:
 205 +                       printk(KERN_INFO PFX "Unknown livebox version: %02x\n",
 206 +                              hw_version);
 207 +                       /* use default livebox configuration */
 208 +                       board = bcm963xx_boards[0];
 209 +                       break;
 210 +               }
 211 +       }
 212 +
 213 +       /* use default livebox configuration */
 214 +       board_early_setup(board, livebox_get_mac_address);
 215 +
 216 +       /* read base address of boot chip select (0) */
 217 +       val = bcm_mpi_readl(MPI_CSBASE_REG(0));
 218 +       val &= MPI_CSBASE_BASE_MASK;
 219 +       if (val != LIVEBOX_BOOT_ADDR) {
 220 +               printk(KERN_NOTICE PFX "flash address is: 0x%08x, forcing to: 0x%08x\n",
 221 +                       val, LIVEBOX_BOOT_ADDR);
 222 +               bcm63xx_flash_force_phys_base_address(LIVEBOX_BOOT_ADDR, 0x1ebfffff);
 223 +       }
 224 +}