diff options
Diffstat (limited to 'src/arch/armv7/lib/mmu.c')
| -rw-r--r-- | src/arch/armv7/lib/mmu.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/arch/armv7/lib/mmu.c b/src/arch/armv7/lib/mmu.c index 594bba5f29..7d6d46a8a1 100644 --- a/src/arch/armv7/lib/mmu.c +++ b/src/arch/armv7/lib/mmu.c @@ -34,6 +34,7 @@ #include <console/console.h> #include <arch/cache.h> +#include <arch/io.h> #define L1_TLB_ENTRIES 4096 /* 1 entry for each 1MB address space */ @@ -44,11 +45,14 @@ void mmu_disable_range(unsigned long start_mb, unsigned long size_mb) unsigned int i; uint32_t *ttb_entry = (uint32_t *)ttb_addr; printk(BIOS_DEBUG, "Disabling: 0x%08lx:0x%08lx\n", - start_mb << 20, ((start_mb + size_mb) << 20) - 1); + start_mb*MiB, start_mb*MiB + size_mb*MiB - 1); + + for (i = start_mb; i < start_mb + size_mb; i++) + writel(0, &ttb_entry[i]); for (i = start_mb; i < start_mb + size_mb; i++) { - ttb_entry[i] = 0; - tlbimvaa(i); + dccmvac((uintptr_t)&ttb_entry[i]); + tlbimvaa(i*MiB); } } @@ -99,9 +103,14 @@ void mmu_config_range(unsigned long start_mb, unsigned long size_mb, printk(BIOS_DEBUG, "Setting dcache policy: 0x%08lx:0x%08lx [%s]\n", start_mb << 20, ((start_mb + size_mb) << 20) - 1, str); + /* Write out page table entries. */ + for (i = start_mb; i < start_mb + size_mb; i++) + writel((i << 20) | attr, &ttb_entry[i]); + + /* Flush the page table entries, and old translations from the TLB. */ for (i = start_mb; i < start_mb + size_mb; i++) { - ttb_entry[i] = (i << 20) | attr; - tlbimvaa(start_mb); + dccmvac((uintptr_t)&ttb_entry[i]); + tlbimvaa(i*MiB); } } |