diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/law.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c index 55ee125..33d53a8 100644 --- a/arch/powerpc/cpu/mpc8xxx/law.c +++ b/arch/powerpc/cpu/mpc8xxx/law.c @@ -221,6 +221,32 @@ int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id) } #endif /* not SPL */ +void disable_non_ddr_laws(void) +{ + int i; + int id; + for (i = 0; i < FSL_HW_NUM_LAWS; i++) { + u32 lawar = in_be32(LAWAR_ADDR(i)); + + if (lawar & LAW_EN) { + id = (lawar & ~LAW_EN) >> 20; + switch (id) { + case LAW_TRGT_IF_DDR_1: + case LAW_TRGT_IF_DDR_2: + case LAW_TRGT_IF_DDR_3: + case LAW_TRGT_IF_DDR_4: + case LAW_TRGT_IF_DDR_INTRLV: + case LAW_TRGT_IF_DDR_INTLV_34: + case LAW_TRGT_IF_DDR_INTLV_123: + case LAW_TRGT_IF_DDR_INTLV_1234: + continue; + default: + disable_law(i); + } + } + } +} + void init_laws(void) { int i; @@ -242,6 +268,13 @@ void init_laws(void) disable_law(0); #endif +#if !defined(CONFIG_SECURE_BOOT) + /* + * if any non DDR LAWs has been created earlier, remove them before + * LAW table is parsed. + */ + disable_non_ddr_laws(); +#endif /* * Any LAWs that were set up before we booted assume they are meant to @@ -254,15 +287,6 @@ void init_laws(void) gd->arch.used_laws |= (1 << i); } -#if (defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)) || \ - (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)) - /* - * in SPL boot we've already parsed the law_table and setup those LAWs - * so don't do it again. - */ - return; -#endif - for (i = 0; i < num_law_entries; i++) { if (law_table[i].index == -1) set_next_law(law_table[i].addr, law_table[i].size, |