target/linux/brcm47xx/patches-3.18/030-03-MIPS-BCM47XX-Make-bcma-init-NVRAM-instead-of-bcm47xx.patch

   1 From 7177efc5b030012c54c2e217c9d6decc0bcc1c53 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Tue, 28 Oct 2014 13:30:23 +0100
   4 Subject: [PATCH 156/158] MIPS: BCM47XX: Make bcma init NVRAM instead of
   5  bcm47xx polling it
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 This drops ssb/bcma dependency and will allow us to make it a standalone
  11 driver.
  12
  13 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  14 Cc: linux-mips@linux-mips.org
  15 Cc: Hauke Mehrtens <hauke@hauke-m.de>
  16 Patchwork: https://patchwork.linux-mips.org/patch/8233/
  17 Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  18 ---
  19  arch/mips/bcm47xx/nvram.c  | 42 ++----------------------------------------
  20  drivers/bcma/driver_mips.c | 13 +++++++++++--
  21  2 files changed, 13 insertions(+), 42 deletions(-)
  22
  23 --- a/arch/mips/bcm47xx/nvram.c
  24 +++ b/arch/mips/bcm47xx/nvram.c
  25 @@ -121,48 +121,10 @@ int bcm47xx_nvram_init_from_mem(u32 base
  26         return err;
  27  }
  28
  29 -#ifdef CONFIG_BCM47XX_BCMA
  30 -static int nvram_init_bcma(void)
  31 -{
  32 -       struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
  33 -       u32 base;
  34 -       u32 lim;
  35 -
  36 -#ifdef CONFIG_BCMA_NFLASH
  37 -       if (cc->nflash.boot) {
  38 -               base = BCMA_SOC_FLASH1;
  39 -               lim = BCMA_SOC_FLASH1_SZ;
  40 -       } else
  41 -#endif
  42 -       if (cc->pflash.present) {
  43 -               base = cc->pflash.window;
  44 -               lim = cc->pflash.window_size;
  45 -#ifdef CONFIG_BCMA_SFLASH
  46 -       } else if (cc->sflash.present) {
  47 -               base = cc->sflash.window;
  48 -               lim = cc->sflash.size;
  49 -#endif
  50 -       } else {
  51 -               pr_err("Couldn't find supported flash memory\n");
  52 -               return -ENXIO;
  53 -       }
  54 -
  55 -       return bcm47xx_nvram_init_from_mem(base, lim);
  56 -}
  57 -#endif
  58 -
  59  static int nvram_init(void)
  60  {
  61 -       switch (bcm47xx_bus_type) {
  62 -#ifdef CONFIG_BCM47XX_SSB
  63 -       case BCM47XX_BUS_TYPE_SSB:
  64 -               break;
  65 -#endif
  66 -#ifdef CONFIG_BCM47XX_BCMA
  67 -       case BCM47XX_BUS_TYPE_BCMA:
  68 -               return nvram_init_bcma();
  69 -#endif
  70 -       }
  71 +       /* TODO: Look for MTD "nvram" partition */
  72 +
  73         return -ENXIO;
  74  }
  75
  76 --- a/drivers/bcma/driver_mips.c
  77 +++ b/drivers/bcma/driver_mips.c
  78 @@ -20,6 +20,9 @@
  79  #include <linux/serial_core.h>
  80  #include <linux/serial_reg.h>
  81  #include <linux/time.h>
  82 +#ifdef CONFIG_BCM47XX
  83 +#include <bcm47xx_nvram.h>
  84 +#endif
  85
  86  enum bcma_boot_dev {
  87         BCMA_BOOT_DEV_UNK = 0,
  88 @@ -316,10 +319,16 @@ static void bcma_core_mips_flash_detect(
  89         switch (boot_dev) {
  90         case BCMA_BOOT_DEV_PARALLEL:
  91         case BCMA_BOOT_DEV_SERIAL:
  92 -               /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
  93 +#ifdef CONFIG_BCM47XX
  94 +               bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
  95 +                                           BCMA_SOC_FLASH2_SZ);
  96 +#endif
  97                 break;
  98         case BCMA_BOOT_DEV_NAND:
  99 -               /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
 100 +#ifdef CONFIG_BCM47XX
 101 +               bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
 102 +                                           BCMA_SOC_FLASH1_SZ);
 103 +#endif
 104                 break;
 105         default:
 106                 break;