[U-Boot-Users] [PATCH] Move do_fixup* for libfdt into common code

Grant Likely grant.likely at secretlab.ca
Sun Nov 4 04:19:01 CET 2007


On 11/3/07, Kumar Gala <galak at kernel.crashing.org> wrote:
> Moved the generic fixup handling code out of cpu/mpc5xxx and cpu/mpc8260
> into common/fdt_support.c and renamed:
>
> do_fixup()      -> do_fixup_by_path()
> do_fixup_u32()  -> do_fixup_by_path_u32()
>
> Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
Acked-by: Grant Likely <grant.likely at secretlab.ca>

> ---
>
> Note: this patch is part of the libfdt work and is available:
>         git.kernel.org:/pub/scm/boot/u-boot/galak/u-boot.git libfdt
>
>  common/fdt_support.c  |   23 +++++++++++++++++++++++
>  cpu/mpc5xxx/cpu.c     |   40 +++++++++-------------------------------
>  cpu/mpc8260/cpu.c     |   30 ++++--------------------------
>  include/fdt_support.h |    4 ++++
>  4 files changed, 40 insertions(+), 57 deletions(-)
>
> diff --git a/common/fdt_support.c b/common/fdt_support.c
> index 6a5b27a..5ed874d 100644
> --- a/common/fdt_support.c
> +++ b/common/fdt_support.c
> @@ -374,4 +374,27 @@ int fdt_bd_t(void *fdt)
>  }
>  #endif /* ifdef CONFIG_OF_HAS_BD_T */
>
> +void do_fixup_by_path(void *fdt, const char *path, const char *prop,
> +                     const void *val, int len, int create)
> +{
> +#if defined(DEBUG)
> +       int i;
> +       debug("Updating property '%s/%s' = ", node, prop);
> +       for (i = 0; i < len; i++)
> +               debug(" %.2x", *(u8*)(val+i));
> +       debug("\n");
> +#endif
> +       int rc = fdt_find_and_setprop(fdt, path, prop, val, len, create);
> +       if (rc)
> +               printf("Unable to update property %s:%s, err=%s\n",
> +                       path, prop, fdt_strerror(rc));
> +}
> +
> +void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
> +                         u32 val, int create)
> +{
> +       val = cpu_to_fdt32(val);
> +       do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
> +}
> +
>  #endif /* CONFIG_OF_LIBFDT */
> diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
> index 7f16b92..e4d6168 100644
> --- a/cpu/mpc5xxx/cpu.c
> +++ b/cpu/mpc5xxx/cpu.c
> @@ -35,6 +35,7 @@
>  #if defined(CONFIG_OF_LIBFDT)
>  #include <libfdt.h>
>  #include <libfdt_env.h>
> +#include <fdt_support.h>
>  #endif
>
>  DECLARE_GLOBAL_DATA_PTR;
> @@ -114,42 +115,19 @@ unsigned long get_tbclk (void)
>  /* ------------------------------------------------------------------------- */
>
>  #ifdef CONFIG_OF_LIBFDT
> -static void do_fixup(void *fdt, const char *node, const char *prop,
> -                    const void *val, int len, int create)
> -{
> -#if defined(DEBUG)
> -       int i;
> -       debug("Updating property '%s/%s' = ", node, prop);
> -       for (i = 0; i < len; i++)
> -               debug(" %.2x", *(u8*)(val+i));
> -       debug("\n");
> -#endif
> -       int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create);
> -       if (rc)
> -               printf("Unable to update property %s:%s, err=%s\n",
> -                      node, prop, fdt_strerror(rc));
> -}
> -
> -static void do_fixup_u32(void *fdt, const char *node, const char *prop,
> -                        u32 val, int create)
> -{
> -       val = cpu_to_fdt32(val);
> -       do_fixup(fdt, node, prop, &val, sizeof(val), create);
> -}
> -
>  void ft_cpu_setup(void *blob, bd_t *bd)
>  {
>         int div = in_8((void*)CFG_MBAR + 0x204) & 0x0020 ? 8 : 4;
>         char * cpu_path = "/cpus/" OF_CPU;
>         char * eth_path = "/" OF_SOC "/ethernet at 3000";
>
> -       do_fixup_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
> -       do_fixup_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
> -       do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
> -       do_fixup_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1);
> -       do_fixup_u32(blob, "/" OF_SOC, "system-frequency",
> -                       bd->bi_busfreq*div, 1);
> -       do_fixup(blob, eth_path, "mac-address", bd->bi_enetaddr, 6, 0);
> -       do_fixup(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
> +       do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
> +       do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
> +       do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
> +       do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1);
> +       do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency",
> +                               bd->bi_busfreq*div, 1);
> +       do_fixup_by_path(blob, eth_path, "mac-address", bd->bi_enetaddr, 6, 0);
> +       do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
>  }
>  #endif
> diff --git a/cpu/mpc8260/cpu.c b/cpu/mpc8260/cpu.c
> index c2b753d..55e61a1 100644
> --- a/cpu/mpc8260/cpu.c
> +++ b/cpu/mpc8260/cpu.c
> @@ -50,6 +50,7 @@
>  #if defined(CONFIG_OF_LIBFDT)
>  #include <libfdt.h>
>  #include <libfdt_env.h>
> +#include <fdt_support.h>
>  #endif
>
>  DECLARE_GLOBAL_DATA_PTR;
> @@ -300,35 +301,12 @@ void watchdog_reset (void)
>
>  /* ------------------------------------------------------------------------- */
>  #if defined(CONFIG_OF_LIBFDT)
> -static void do_fixup(void *fdt, const char *node, const char *prop,
> -                       const void *val, int len, int create)
> -{
> -#if defined(DEBUG)
> -       int i;
> -       debug("Updating property '%s/%s' = ", node, prop);
> -       for (i = 0; i < len; i++)
> -               debug(" %.2x", *(u8*)(val+i));
> -       debug("\n");
> -#endif
> -       int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create);
> -       if (rc)
> -               printf("Unable to update property %s:%s, err=%s\n",
> -                       node, prop, fdt_strerror(rc));
> -}
> -
> -static void do_fixup_u32(void *fdt, const char *node, const char *prop,
> -                        u32 val, int create)
> -{
> -       val = cpu_to_fdt32(val);
> -       do_fixup(fdt, node, prop, &val, sizeof(val), create);
> -}
> -
>  void ft_cpu_setup (void *blob, bd_t *bd)
>  {
>         char * cpu_path = "/cpus/" OF_CPU;
>
> -       do_fixup_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
> -       do_fixup_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
> -       do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
> +       do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
> +       do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
> +       do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
>  }
>  #endif /* CONFIG_OF_LIBFDT */
> diff --git a/include/fdt_support.h b/include/fdt_support.h
> index 60fa423..0314dfd 100644
> --- a/include/fdt_support.h
> +++ b/include/fdt_support.h
> @@ -29,6 +29,10 @@
>  #include <fdt.h>
>
>  int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force);
> +void do_fixup_by_path(void *fdt, const char *path, const char *prop,
> +                     const void *val, int len, int create);
> +void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
> +                         u32 val, int create);
>
>  #ifdef CONFIG_OF_HAS_UBOOT_ENV
>  int fdt_env(void *fdt);
> --
> 1.5.3.3
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc.
> Still grepping through log files to find problems?  Stop.
> Now Search log events and configuration files using AJAX and a browser.
> Download your FREE copy of Splunk now >> http://get.splunk.com/
> _______________________________________________
> U-Boot-Users mailing list
> U-Boot-Users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/u-boot-users
>


-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely at secretlab.ca
(403) 399-0195




More information about the U-Boot mailing list