diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.37/920-cache-wround.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-2.6.37/920-cache-wround.patch | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.37/920-cache-wround.patch b/target/linux/brcm47xx/patches-2.6.37/920-cache-wround.patch deleted file mode 100644 index d9866dc..0000000 --- a/target/linux/brcm47xx/patches-2.6.37/920-cache-wround.patch +++ /dev/null @@ -1,138 +0,0 @@ ---- a/arch/mips/include/asm/r4kcache.h -+++ b/arch/mips/include/asm/r4kcache.h -@@ -20,10 +20,28 @@ - #ifdef CONFIG_BCM47XX - #include <asm/paccess.h> - #include <linux/ssb/ssb.h> --#define BCM4710_DUMMY_RREG() ((void) *((u8 *) KSEG1ADDR(SSB_ENUM_BASE))) -+#define BCM4710_DUMMY_RREG() bcm4710_dummy_rreg() -+ -+static inline unsigned long bcm4710_dummy_rreg(void) -+{ -+ return *(volatile unsigned long *)(KSEG1ADDR(SSB_ENUM_BASE)); -+} -+ -+#define BCM4710_FILL_TLB(addr) bcm4710_fill_tlb((void *)(addr)) -+ -+static inline unsigned long bcm4710_fill_tlb(void *addr) -+{ -+ return *(unsigned long *)addr; -+} -+ -+#define BCM4710_PROTECTED_FILL_TLB(addr) bcm4710_protected_fill_tlb((void *)(addr)) -+ -+static inline void bcm4710_protected_fill_tlb(void *addr) -+{ -+ unsigned long x; -+ get_dbe(x, (unsigned long *)addr);; -+} - --#define BCM4710_FILL_TLB(addr) (*(volatile unsigned long *)(addr)) --#define BCM4710_PROTECTED_FILL_TLB(addr) ({ unsigned long x; get_dbe(x, (volatile unsigned long *)(addr)); }) - #else - #define BCM4710_DUMMY_RREG() - ---- a/arch/mips/mm/tlbex.c -+++ b/arch/mips/mm/tlbex.c -@@ -711,6 +711,9 @@ build_get_pgde32(u32 **p, unsigned int t - #endif - uasm_i_addu(p, ptr, tmp, ptr); - #else -+#ifdef CONFIG_BCM47XX -+ uasm_i_nop(p); -+#endif - UASM_i_LA_mostly(p, ptr, pgdc); - #endif - uasm_i_mfc0(p, tmp, C0_BADVADDR); /* get faulting address */ -@@ -872,12 +875,12 @@ static void __cpuinit build_r4000_tlb_re - /* No need for uasm_i_nop */ - } - --#ifdef CONFIG_BCM47XX -- uasm_i_nop(&p); --#endif - #ifdef CONFIG_64BIT - build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */ - #else -+# ifdef CONFIG_BCM47XX -+ uasm_i_nop(&p); -+# endif - build_get_pgde32(&p, K0, K1); /* get pgd in K1 */ - #endif - -@@ -889,6 +892,9 @@ static void __cpuinit build_r4000_tlb_re - build_update_entries(&p, K0, K1); - build_tlb_write_entry(&p, &l, &r, tlb_random); - uasm_l_leave(&l, p); -+#ifdef CONFIG_BCM47XX -+ uasm_i_nop(&p); -+#endif - uasm_i_eret(&p); /* return from trap */ - - #ifdef CONFIG_HUGETLB_PAGE -@@ -1325,12 +1331,12 @@ build_r4000_tlbchange_handler_head(u32 * - struct uasm_reloc **r, unsigned int pte, - unsigned int ptr) - { --#ifdef CONFIG_BCM47XX -- uasm_i_nop(p); --#endif - #ifdef CONFIG_64BIT - build_get_pmde64(p, l, r, pte, ptr); /* get pmd in ptr */ - #else -+# ifdef CONFIG_BCM47XX -+ uasm_i_nop(p); -+# endif - build_get_pgde32(p, pte, ptr); /* get pgd in ptr */ - #endif - -@@ -1367,6 +1373,9 @@ build_r4000_tlbchange_handler_tail(u32 * - build_update_entries(p, tmp, ptr); - build_tlb_write_entry(p, l, r, tlb_indexed); - uasm_l_leave(l, *p); -+#ifdef CONFIG_BCM47XX -+ uasm_i_nop(p); -+#endif - uasm_i_eret(p); /* return from trap */ - - #ifdef CONFIG_64BIT ---- a/arch/mips/kernel/genex.S -+++ b/arch/mips/kernel/genex.S -@@ -22,6 +22,19 @@ - #include <asm/page.h> - #include <asm/thread_info.h> - -+#ifdef CONFIG_BCM47XX -+# ifdef eret -+# undef eret -+# endif -+# define eret \ -+ .set push; \ -+ .set noreorder; \ -+ nop; \ -+ nop; \ -+ eret; \ -+ .set pop; -+#endif -+ - #define PANIC_PIC(msg) \ - .set push; \ - .set reorder; \ -@@ -54,7 +67,6 @@ NESTED(except_vec3_generic, 0, sp) - .set noat - #ifdef CONFIG_BCM47XX - nop -- nop - #endif - #if R5432_CP0_INTERRUPT_WAR - mfc0 k0, CP0_INDEX -@@ -79,6 +91,9 @@ NESTED(except_vec3_r4000, 0, sp) - .set push - .set mips3 - .set noat -+#ifdef CONFIG_BCM47XX -+ nop -+#endif - mfc0 k1, CP0_CAUSE - li k0, 31<<2 - andi k1, k1, 0x7c |