#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
-#include <asm/constants.h>
+#include <asm/asm-offsets.h>
+#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
* - end - virtual end address
*/
ENTRY(arm1022_coherent_kern_range)
+ /* FALLTHROUGH */
+
+/*
+ * coherent_user_range(start, end)
+ *
+ * Ensure coherency between the Icache and the Dcache in the
+ * region described by start. If you have non-snooping
+ * Harvard caches, you need to implement this function.
+ *
+ * - start - virtual start address
+ * - end - virtual end address
+ */
+ENTRY(arm1022_coherent_user_range)
mov ip, #0
bic r0, r0, #CACHE_DLINESIZE - 1
1:
.long arm1022_flush_user_cache_all
.long arm1022_flush_user_cache_range
.long arm1022_coherent_kern_range
+ .long arm1022_coherent_user_range
.long arm1022_flush_kern_dcache_page
.long arm1022_dma_inv_range
.long arm1022_dma_clean_range
mcr p15, 0, r0, c7, c7 @ invalidate I,D caches on v4
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer on v4
mcr p15, 0, r0, c8, c7 @ invalidate I,D TLBs on v4
- mcr p15, 0, r4, c2, c0 @ load page table pointer
- mov r0, #0x1f @ Domains 0, 1 = client
- mcr p15, 0, r0, c3, c0 @ load domain access register
mrc p15, 0, r0, c1, c0 @ get control register v4
-/*
- * Clear out 'unwanted' bits (then put them in if we need them)
- */
- bic r0, r0, #0x1e00 @ ...i??r.........
- bic r0, r0, #0x000e @ ............wca.
-/*
- * Turn on what we want
- */
- orr r0, r0, #0x0031 @ ..........DP...M
- orr r0, r0, #0x2100 @ ..V....S........
-
+ ldr r5, arm1022_cr1_clear
+ bic r0, r0, r5
+ ldr r5, arm1022_cr1_set
+ orr r0, r0, r5
#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
orr r0, r0, #0x4000 @ .R..............
-#endif
-#ifndef CONFIG_CPU_BPREDICT_DISABLE
- orr r0, r0, #0x0800 @ ....Z...........
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
- orr r0, r0, #0x0004 @ .............C..
-#endif
-#ifndef CONFIG_CPU_ICACHE_DISABLE
- orr r0, r0, #0x1000 @ ...I............
#endif
mov pc, lr
.size __arm1022_setup, . - __arm1022_setup
+ /*
+ * R
+ * .RVI ZFRS BLDP WCAM
+ * .011 1001 ..11 0101
+ *
+ */
+ .type arm1022_cr1_clear, #object
+ .type arm1022_cr1_set, #object
+arm1022_cr1_clear:
+ .word 0x7f3f
+arm1022_cr1_set:
+ .word 0x3935
+
__INITDATA
/*
.align
- .section ".proc.info", #alloc, #execinstr
+ .section ".proc.info.init", #alloc, #execinstr
.type __arm1022_proc_info,#object
__arm1022_proc_info:
.long 0x4105a220 @ ARM 1022E (v5TE)
.long 0xff0ffff0
- .long 0x00000c12 @ mmuflags
+ .long PMD_TYPE_SECT | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
b __arm1022_setup
.long cpu_arch_name
.long cpu_elf_name
- .long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
+ .long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_EDSP
.long cpu_arm1022_name
.long arm1022_processor_functions
.long v4wbi_tlb_fns