diff options
author | Wolfgang Denk <wd@denx.de> | 2011-07-30 01:39:14 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-07-30 01:39:14 +0200 |
commit | dd620b26332eb1e9fc0216760909c4046ba09745 (patch) | |
tree | dac488abee6a6768479629b2c1b2d904d0f9e309 /arch/powerpc/lib/bootm.c | |
parent | 84b5e8022ef62b68df360392a55c4fc2f2e568d7 (diff) | |
parent | 57567361769bfa02d0622c06e5e9f66392e2593a (diff) |
Merge branch 'master' of /home/wd/git/u-boot/custodians
* 'master' of /home/wd/git/u-boot/custodians:
powerpc/8xxx: Remove dependency on <usb.h>
powerpc/85xx: enable USB2 gadget mode for corenet ds board
powerpc/85xx: verify the device tree before booting Linux
MPC8xxx: drop redundant boot messages
powerpc/85xx: Fix build failure for P1023RDS
powerpc/p2041rdb: Enable SATA support
powerpc/85xx: Cleanup handling of PVR detection for e500/e500mc/e5500
powerpc/85xx: Fix up clock_freq property in CAN node of dts
85xx: enable FDT support for STX SSA board
powerpc/85xx: provide 85xx flush_icache for cmd_cache
powerpc/p2041rdb: Enable backside L2 cache support
powerpc/85xx: Handle the lack of L2 cache on P2040/P2040E
powerpc/85xx: Add support for P2041[e] XAUI in SERDES
powerpc/85xx: Rename P2040 id & SERDES to P2041
powerpc/85xx: Adding configuration for DCSRCR to enable 32M access
powerpc/85xx: Fix setting of EPAPR_MAGIC value
Diffstat (limited to 'arch/powerpc/lib/bootm.c')
-rw-r--r-- | arch/powerpc/lib/bootm.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c index 4e0cb8f3bf5..137547451b3 100644 --- a/arch/powerpc/lib/bootm.c +++ b/arch/powerpc/lib/bootm.c @@ -87,7 +87,7 @@ static void boot_jump_linux(bootm_headers_t *images) * r8: 0 * r9: 0 */ -#if defined(CONFIG_85xx) || defined(CONFIG_440) +#if defined(CONFIG_MPC85xx) || defined(CONFIG_440) #define EPAPR_MAGIC (0x45504150) #else #define EPAPR_MAGIC (0x65504150) @@ -226,6 +226,24 @@ static int boot_bd_t_linux(bootm_headers_t *images) return ret; } +/* + * Verify the device tree. + * + * This function is called after all device tree fix-ups have been enacted, + * so that the final device tree can be verified. The definition of "verified" + * is up to the specific implementation. However, it generally means that the + * addresses of some of the devices in the device tree are compared with the + * actual addresses at which U-Boot has placed them. + * + * Returns 1 on success, 0 on failure. If 0 is returned, U-boot will halt the + * boot process. + */ +static int __ft_verify_fdt(void *fdt) +{ + return 1; +} +__attribute__((weak, alias("__ft_verify_fdt"))) int ft_verify_fdt(void *fdt); + static int boot_body_linux(bootm_headers_t *images) { ulong rd_len; @@ -298,6 +316,9 @@ static int boot_body_linux(bootm_headers_t *images) /* fixup the initrd now that we know where it should be */ if (*initrd_start && *initrd_end) fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1); + + if (!ft_verify_fdt(*of_flat_tree)) + return -1; } #endif /* CONFIG_OF_LIBFDT */ return 0; |