target/linux/bcm63xx/patches-5.15/532-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         select BCMA
  19         default y
  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 @@ -1,3 +1,4 @@
  31  # SPDX-License-Identifier: GPL-2.0-only
  32  obj-y                                  += board_common.o
  33  obj-$(CONFIG_BOARD_BCM963XX)           += board_bcm963xx.o
  34 +obj-$(CONFIG_BOARD_LIVEBOX)            += board_livebox.o
  35 --- a/arch/mips/bcm63xx/boards/board_common.c
  36 +++ b/arch/mips/bcm63xx/boards/board_common.c
  37 @@ -54,7 +54,7 @@ void __init board_prom_init(void)
  38         if (fw_arg3 == CFE_EPTSEAL)
  39                 board_bcm963xx_init();
  40         else
  41 -               panic("unsupported bootloader detected");
  42 +               board_livebox_init();
  43  }
  44
  45  static int (*board_get_mac_address)(u8 mac[ETH_ALEN]);
  46 --- a/arch/mips/bcm63xx/boards/board_common.h
  47 +++ b/arch/mips/bcm63xx/boards/board_common.h
  48 @@ -24,4 +24,10 @@ static inline void board_of_device_prese
  49  }
  50  #endif
  51
  52 +#if defined(CONFIG_BOARD_LIVEBOX)
  53 +void board_livebox_init(void);
  54 +#else
  55 +static inline void board_livebox_init(void) { }
  56 +#endif
  57 +
  58  #endif /* __BOARD_COMMON_H */
  59 --- /dev/null
  60 +++ b/arch/mips/bcm63xx/boards/board_livebox.c
  61 @@ -0,0 +1,158 @@
  62 +/*
  63 + * This file is subject to the terms and conditions of the GNU General Public
  64 + * License. See the file "COPYING" in the main directory of this archive
  65 + * for more details.
  66 + *
  67 + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
  68 + */
  69 +
  70 +#include <linux/init.h>
  71 +#include <linux/kernel.h>
  72 +#include <linux/string.h>
  73 +#include <linux/input.h>
  74 +#include <asm/addrspace.h>
  75 +#include <bcm63xx_board.h>
  76 +#include <bcm63xx_cpu.h>
  77 +#include <bcm63xx_regs.h>
  78 +#include <bcm63xx_io.h>
  79 +#include <bcm63xx_dev_flash.h>
  80 +#include <board_bcm963xx.h>
  81 +
  82 +#include "board_common.h"
  83 +
  84 +#define PFX    "board_livebox: "
  85 +
  86 +static unsigned int mac_addr_used = 0;
  87 +
  88 +/*
  89 + * known 6348 boards
  90 + */
  91 +#ifdef CONFIG_BCM63XX_CPU_6348
  92 +static struct board_info __initdata board_livebox_blue5g = {
  93 +       .name = "Livebox-blue-5g",
  94 +       .expected_cpu_id = 0x6348,
  95 +
  96 +       .has_pccard = 1,
  97 +       .has_pci = 1,
  98 +       .has_ohci0 = 1,
  99 +       .ephy_reset_gpio = 6,
 100 +       .ephy_reset_gpio_flags = GPIO_ACTIVE_LOW,
 101 +
 102 +       .has_enet0 = 1,
 103 +       .enet0 = {
 104 +               .has_phy = 1,
 105 +               .use_internal_phy = 1,
 106 +       },
 107 +
 108 +       .has_enet1 = 1,
 109 +       .enet1 = {
 110 +               .has_phy = 1,
 111 +               .phy_id = 31,
 112 +       },
 113 +};
 114 +#endif
 115 +
 116 +/*
 117 + * all boards
 118 + */
 119 +static const struct board_info __initdata *bcm963xx_boards[] = {
 120 +#ifdef CONFIG_BCM63XX_CPU_6348
 121 +       &board_livebox_blue5g
 122 +#endif /* CONFIG_BCM63XX_CPU_6348 */
 123 +};
 124 +
 125 +static struct of_device_id const livebox_boards_dt[] = {
 126 +       { .compatible = "inventel,livebox-1", .data = &board_livebox_blue5g, },
 127 +       { }
 128 +};
 129 +
 130 +/*
 131 + * register & return a new board mac address
 132 + */
 133 +static int livebox_get_mac_address(u8 mac[ETH_ALEN])
 134 +{
 135 +       u8 *p;
 136 +       int count;
 137 +       void __iomem *volatile mmio;
 138 +
 139 +       mmio = ioremap(0x1ebff377, 0x8);
 140 +       if (!mmio)
 141 +               return -EIO;
 142 +       memcpy_fromio(mac, mmio, ETH_ALEN);
 143 +       iounmap(mmio);
 144 +
 145 +       p = mac + ETH_ALEN - 1;
 146 +       count = mac_addr_used;
 147 +
 148 +       while (count--) {
 149 +               do {
 150 +                       (*p)++;
 151 +                       if (*p != 0)
 152 +                               break;
 153 +                       p--;
 154 +               } while (p != mac);
 155 +       }
 156 +
 157 +       if (p == mac) {
 158 +               printk(KERN_ERR PFX "unable to fetch mac address\n");
 159 +               return -ENODEV;
 160 +       }
 161 +       mac_addr_used++;
 162 +
 163 +       return 0;
 164 +}
 165 +
 166 +/*
 167 + * early init callback
 168 + */
 169 +#define LIVEBOX_GPIO_DETECT_MASK       0x000000ff
 170 +#define LIVEBOX_BOOT_ADDR              0x1e400000
 171 +
 172 +#define LIVEBOX_HW_BLUE5G_9            0x90
 173 +
 174 +void __init board_livebox_init(void)
 175 +{
 176 +       u32 val;
 177 +       u8 hw_version;
 178 +       const struct board_info *board;
 179 +       const struct of_device_id *board_match;
 180 +
 181 +       /* find board by compat */
 182 +       board_match = bcm63xx_match_board(livebox_boards_dt);
 183 +       if (board_match) {
 184 +               board = board_match->data;
 185 +       } else {
 186 +               /* Get hardware version */
 187 +               val = bcm_gpio_readl(GPIO_CTL_LO_REG);
 188 +               val &= ~LIVEBOX_GPIO_DETECT_MASK;
 189 +               bcm_gpio_writel(val, GPIO_CTL_LO_REG);
 190 +
 191 +               hw_version = bcm_gpio_readl(GPIO_DATA_LO_REG);
 192 +               hw_version &= LIVEBOX_GPIO_DETECT_MASK;
 193 +
 194 +               switch (hw_version) {
 195 +               case LIVEBOX_HW_BLUE5G_9:
 196 +                       printk(KERN_INFO PFX "Livebox BLUE5G.9\n");
 197 +                       board = bcm963xx_boards[0];
 198 +                       break;
 199 +               default:
 200 +                       printk(KERN_INFO PFX "Unknown livebox version: %02x\n",
 201 +                              hw_version);
 202 +                       /* use default livebox configuration */
 203 +                       board = bcm963xx_boards[0];
 204 +                       break;
 205 +               }
 206 +       }
 207 +
 208 +       /* use default livebox configuration */
 209 +       board_early_setup(board, livebox_get_mac_address);
 210 +
 211 +       /* read base address of boot chip select (0) */
 212 +       val = bcm_mpi_readl(MPI_CSBASE_REG(0));
 213 +       val &= MPI_CSBASE_BASE_MASK;
 214 +       if (val != LIVEBOX_BOOT_ADDR) {
 215 +               printk(KERN_NOTICE PFX "flash address is: 0x%08x, forcing to: 0x%08x\n",
 216 +                       val, LIVEBOX_BOOT_ADDR);
 217 +               bcm63xx_flash_force_phys_base_address(LIVEBOX_BOOT_ADDR, 0x1ebfffff);
 218 +       }
 219 +}