target/linux/brcm47xx/patches-3.14/156-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 diff --git a/arch/mips/bcm47xx/nvram.c b/arch/mips/bcm47xx/nvram.c
  24 index fecc5ae..21712fb 100644
  25 --- a/arch/mips/bcm47xx/nvram.c
  26 +++ b/arch/mips/bcm47xx/nvram.c
  27 @@ -121,48 +121,10 @@ int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
  28         return err;
  29  }
  30
  31 -#ifdef CONFIG_BCM47XX_BCMA
  32 -static int nvram_init_bcma(void)
  33 -{
  34 -       struct bcma_drv_cc *cc = &bcm47xx_bus.bcma.bus.drv_cc;
  35 -       u32 base;
  36 -       u32 lim;
  37 -
  38 -#ifdef CONFIG_BCMA_NFLASH
  39 -       if (cc->nflash.boot) {
  40 -               base = BCMA_SOC_FLASH1;
  41 -               lim = BCMA_SOC_FLASH1_SZ;
  42 -       } else
  43 -#endif
  44 -       if (cc->pflash.present) {
  45 -               base = cc->pflash.window;
  46 -               lim = cc->pflash.window_size;
  47 -#ifdef CONFIG_BCMA_SFLASH
  48 -       } else if (cc->sflash.present) {
  49 -               base = cc->sflash.window;
  50 -               lim = cc->sflash.size;
  51 -#endif
  52 -       } else {
  53 -               pr_err("Couldn't find supported flash memory\n");
  54 -               return -ENXIO;
  55 -       }
  56 -
  57 -       return bcm47xx_nvram_init_from_mem(base, lim);
  58 -}
  59 -#endif
  60 -
  61  static int nvram_init(void)
  62  {
  63 -       switch (bcm47xx_bus_type) {
  64 -#ifdef CONFIG_BCM47XX_SSB
  65 -       case BCM47XX_BUS_TYPE_SSB:
  66 -               break;
  67 -#endif
  68 -#ifdef CONFIG_BCM47XX_BCMA
  69 -       case BCM47XX_BUS_TYPE_BCMA:
  70 -               return nvram_init_bcma();
  71 -#endif
  72 -       }
  73 +       /* TODO: Look for MTD "nvram" partition */
  74 +
  75         return -ENXIO;
  76  }
  77
  78 diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
  79 index 004d6aa..8a653dc 100644
  80 --- a/drivers/bcma/driver_mips.c
  81 +++ b/drivers/bcma/driver_mips.c
  82 @@ -20,6 +20,9 @@
  83  #include <linux/serial_core.h>
  84  #include <linux/serial_reg.h>
  85  #include <linux/time.h>
  86 +#ifdef CONFIG_BCM47XX
  87 +#include <bcm47xx_nvram.h>
  88 +#endif
  89
  90  enum bcma_boot_dev {
  91         BCMA_BOOT_DEV_UNK = 0,
  92 @@ -316,10 +319,16 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
  93         switch (boot_dev) {
  94         case BCMA_BOOT_DEV_PARALLEL:
  95         case BCMA_BOOT_DEV_SERIAL:
  96 -               /* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
  97 +#ifdef CONFIG_BCM47XX
  98 +               bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
  99 +                                           BCMA_SOC_FLASH2_SZ);
 100 +#endif
 101                 break;
 102         case BCMA_BOOT_DEV_NAND:
 103 -               /* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
 104 +#ifdef CONFIG_BCM47XX
 105 +               bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
 106 +                                           BCMA_SOC_FLASH1_SZ);
 107 +#endif
 108                 break;
 109         default:
 110                 break;
 111 --
 112 1.8.4.5
 113