Hi Grant,
On 03/28/2011 03:58 PM, Grant Likely wrote:
> From: Grant Likely<grant.lik...@linaro.org>
>
> This patch adds a function getenv_bootm_mapsize() for obtaining the
> size of the early mapped region accessible by the kernel during early
> boot. It defaults to CONFIG_SYS_BOOTMAPSZ, or if not defined,
> defaults to getenv_bootm_size(), which in turn defaults to the size of
> RAM.
>
> getenv_bootm_mapsize() can also be overridden with a "bootm_mapsize"
> environmental variable.
>
> Signed-off-by: Grant Likely<grant.lik...@linaro.org>
> ---
> README | 16 ++++++++++++++--
> arch/powerpc/lib/bootm.c | 2 +-
> common/image.c | 22 +++++++++++++++++++---
> include/image.h | 1 +
> 4 files changed, 35 insertions(+), 6 deletions(-)
[snip]
> @@ -1207,7 +1223,7 @@ int boot_relocate_fdt (struct lmb *lmb, char
> **of_flat_tree, ulong *of_size)
> /* Pad the FDT by a specified amount */
> of_len = *of_size + CONFIG_SYS_FDT_PAD;
> of_start = (void *)(unsigned long)lmb_alloc_base(lmb, of_len, 0x1000,
> - CONFIG_SYS_BOOTMAPSZ + getenv_bootm_low());
> + getenv_bootm_mapsize() + getenv_bootm_low());
_________________________________________________^^^^^^^^^^^^^^^^^^
>
> if (of_start == 0) {
> puts("device tree - allocation error\n");
> @@ -1581,7 +1597,7 @@ int boot_get_cmdline (struct lmb *lmb, ulong
> *cmd_start, ulong *cmd_end)
> char *s;
>
> cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
> - CONFIG_SYS_BOOTMAPSZ + getenv_bootm_low());
> + getenv_bootm_mapsize() + getenv_bootm_base());
_________________________________________________________^^^^^^^^^^^^^^^^^^
getenv_bootm_base() doesn't exist in my tree, should it have been
getenv_bootm_low()?
> if (cmdline == NULL)
> return -1;
> @@ -1617,7 +1633,7 @@ int boot_get_cmdline (struct lmb *lmb, ulong
> *cmd_start, ulong *cmd_end)
> int boot_get_kbd (struct lmb *lmb, bd_t **kbd)
> {
> *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
> - CONFIG_SYS_BOOTMAPSZ + getenv_bootm_low());
> + getenv_bootm_mapsize() + getenv_bootm_low());
_________________________________________________________^^^^^^^^^^^^^^^^^^
I don't have access to my 8360 board at the moment to execute test the
code. :-/
[snip]
Thanks,
gvb
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