diff options
Diffstat (limited to 'target/linux/bcm47xx/patches-4.19/159-cpu_fixes.patch')
| -rw-r--r-- | target/linux/bcm47xx/patches-4.19/159-cpu_fixes.patch | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/target/linux/bcm47xx/patches-4.19/159-cpu_fixes.patch b/target/linux/bcm47xx/patches-4.19/159-cpu_fixes.patch deleted file mode 100644 index 8ce76839c7..0000000000 --- a/target/linux/bcm47xx/patches-4.19/159-cpu_fixes.patch +++ /dev/null @@ -1,510 +0,0 @@ ---- a/arch/mips/include/asm/r4kcache.h -+++ b/arch/mips/include/asm/r4kcache.h -@@ -26,6 +26,38 @@ - extern void (*r4k_blast_dcache)(void); - extern void (*r4k_blast_icache)(void); - -+#if defined(CONFIG_BCM47XX) && !defined(CONFIG_CPU_MIPS32_R2) -+#include <asm/paccess.h> -+#include <linux/ssb/ssb.h> -+#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);; -+} -+ -+#else -+#define BCM4710_DUMMY_RREG() -+ -+#define BCM4710_FILL_TLB(addr) -+#define BCM4710_PROTECTED_FILL_TLB(addr) -+#endif -+ - /* - * This macro return a properly sign-extended address suitable as base address - * for indexed cache operations. Two issues here: -@@ -99,6 +131,7 @@ static inline void flush_icache_line_ind - static inline void flush_dcache_line_indexed(unsigned long addr) - { - __dflush_prologue -+ BCM4710_DUMMY_RREG(); - cache_op(Index_Writeback_Inv_D, addr); - __dflush_epilogue - } -@@ -126,6 +159,7 @@ static inline void flush_icache_line(uns - static inline void flush_dcache_line(unsigned long addr) - { - __dflush_prologue -+ BCM4710_DUMMY_RREG(); - cache_op(Hit_Writeback_Inv_D, addr); - __dflush_epilogue - } -@@ -133,6 +167,7 @@ static inline void flush_dcache_line(uns - static inline void invalidate_dcache_line(unsigned long addr) - { - __dflush_prologue -+ BCM4710_DUMMY_RREG(); - cache_op(Hit_Invalidate_D, addr); - __dflush_epilogue - } -@@ -206,6 +241,7 @@ static inline int protected_flush_icache - #ifdef CONFIG_EVA - return protected_cachee_op(Hit_Invalidate_I, addr); - #else -+ BCM4710_DUMMY_RREG(); - return protected_cache_op(Hit_Invalidate_I, addr); - #endif - } -@@ -219,6 +255,7 @@ static inline int protected_flush_icache - */ - static inline int protected_writeback_dcache_line(unsigned long addr) - { -+ BCM4710_DUMMY_RREG(); - #ifdef CONFIG_EVA - return protected_cachee_op(Hit_Writeback_Inv_D, addr); - #else -@@ -576,8 +613,51 @@ static inline void invalidate_tcache_pag - : "r" (base), \ - "i" (op)); - -+static inline void blast_dcache(void) -+{ -+ unsigned long start = KSEG0; -+ unsigned long dcache_size = current_cpu_data.dcache.waysize * current_cpu_data.dcache.ways; -+ unsigned long end = (start + dcache_size); -+ -+ do { -+ BCM4710_DUMMY_RREG(); -+ cache_op(Index_Writeback_Inv_D, start); -+ start += current_cpu_data.dcache.linesz; -+ } while(start < end); -+} -+ -+static inline void blast_dcache_page(unsigned long page) -+{ -+ unsigned long start = page; -+ unsigned long end = start + PAGE_SIZE; -+ -+ BCM4710_FILL_TLB(start); -+ do { -+ BCM4710_DUMMY_RREG(); -+ cache_op(Hit_Writeback_Inv_D, start); -+ start += current_cpu_data.dcache.linesz; -+ } while(start < end); -+} -+ -+static inline void blast_dcache_page_indexed(unsigned long page) -+{ -+ unsigned long start = page; -+ unsigned long end = start + PAGE_SIZE; -+ unsigned long ws_inc = 1UL << current_cpu_data.dcache.waybit; -+ unsigned long ws_end = current_cpu_data.dcache.ways << -+ current_cpu_data.dcache.waybit; -+ unsigned long ws, addr; -+ for (ws = 0; ws < ws_end; ws += ws_inc) { -+ start = page + ws; -+ for (addr = start; addr < end; addr += current_cpu_data.dcache.linesz) { -+ BCM4710_DUMMY_RREG(); -+ cache_op(Index_Writeback_Inv_D, addr); -+ } -+ } -+} -+ - /* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */ --#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, extra) \ -+#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, extra, war) \ - static inline void extra##blast_##pfx##cache##lsize(void) \ - { \ - unsigned long start = INDEX_BASE; \ -@@ -589,6 +669,7 @@ static inline void extra##blast_##pfx##c - \ - __##pfx##flush_prologue \ - \ -+ war \ - for (ws = 0; ws < ws_end; ws += ws_inc) \ - for (addr = start; addr < end; addr += lsize * 32) \ - cache##lsize##_unroll32(addr|ws, indexop); \ -@@ -603,6 +684,7 @@ static inline void extra##blast_##pfx##c - \ - __##pfx##flush_prologue \ - \ -+ war \ - do { \ - cache##lsize##_unroll32(start, hitop); \ - start += lsize * 32; \ -@@ -621,6 +703,8 @@ static inline void extra##blast_##pfx##c - current_cpu_data.desc.waybit; \ - unsigned long ws, addr; \ - \ -+ war \ -+ \ - __##pfx##flush_prologue \ - \ - for (ws = 0; ws < ws_end; ws += ws_inc) \ -@@ -630,26 +714,26 @@ static inline void extra##blast_##pfx##c - __##pfx##flush_epilogue \ - } - --__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) --__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, ) --__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, ) --__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, ) --__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, ) --__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I_Loongson2, 32, loongson2_) --__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, ) --__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64, ) --__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, ) --__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, ) --__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 128, ) --__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 128, ) --__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, ) -- --__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, ) --__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, ) --__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, ) --__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, ) --__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, ) --__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, ) -+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, , ) -+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, , BCM4710_FILL_TLB(start);) -+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, , ) -+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, , ) -+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, , BCM4710_FILL_TLB(start);) -+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I_Loongson2, 32, loongson2_, BCM4710_FILL_TLB(start);) -+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, , ) -+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64, , ) -+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, , BCM4710_FILL_TLB(start);) -+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, , ) -+__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 128, , ) -+__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 128, , ) -+__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, , ) -+ -+__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, , ) -+__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, , ) -+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, , ) -+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, , ) -+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, , ) -+__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, , ) - - #define __BUILD_BLAST_USER_CACHE(pfx, desc, indexop, hitop, lsize) \ - static inline void blast_##pfx##cache##lsize##_user_page(unsigned long page) \ -@@ -678,53 +762,23 @@ __BUILD_BLAST_USER_CACHE(d, dcache, Inde - __BUILD_BLAST_USER_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64) - - /* build blast_xxx_range, protected_blast_xxx_range */ --#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, extra) \ -+#define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, extra, war, war2) \ - static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start, \ - unsigned long end) \ - { \ - unsigned long lsize = cpu_##desc##_line_size(); \ -- unsigned long lsize_2 = lsize * 2; \ -- unsigned long lsize_3 = lsize * 3; \ -- unsigned long lsize_4 = lsize * 4; \ -- unsigned long lsize_5 = lsize * 5; \ -- unsigned long lsize_6 = lsize * 6; \ -- unsigned long lsize_7 = lsize * 7; \ -- unsigned long lsize_8 = lsize * 8; \ - unsigned long addr = start & ~(lsize - 1); \ -- unsigned long aend = (end + lsize - 1) & ~(lsize - 1); \ -- int lines = (aend - addr) / lsize; \ -+ unsigned long aend = (end - 1) & ~(lsize - 1); \ -+ war \ - \ - __##pfx##flush_prologue \ - \ -- while (lines >= 8) { \ -- prot##cache_op(hitop, addr); \ -- prot##cache_op(hitop, addr + lsize); \ -- prot##cache_op(hitop, addr + lsize_2); \ -- prot##cache_op(hitop, addr + lsize_3); \ -- prot##cache_op(hitop, addr + lsize_4); \ -- prot##cache_op(hitop, addr + lsize_5); \ -- prot##cache_op(hitop, addr + lsize_6); \ -- prot##cache_op(hitop, addr + lsize_7); \ -- addr += lsize_8; \ -- lines -= 8; \ -- } \ -- \ -- if (lines & 0x4) { \ -- prot##cache_op(hitop, addr); \ -- prot##cache_op(hitop, addr + lsize); \ -- prot##cache_op(hitop, addr + lsize_2); \ -- prot##cache_op(hitop, addr + lsize_3); \ -- addr += lsize_4; \ -- } \ -- \ -- if (lines & 0x2) { \ -- prot##cache_op(hitop, addr); \ -- prot##cache_op(hitop, addr + lsize); \ -- addr += lsize_2; \ -- } \ -- \ -- if (lines & 0x1) { \ -+ while (1) { \ -+ war2 \ - prot##cache_op(hitop, addr); \ -+ if (addr == aend) \ -+ break; \ -+ addr += lsize; \ - } \ - \ - __##pfx##flush_epilogue \ -@@ -732,8 +786,8 @@ static inline void prot##extra##blast_## - - #ifndef CONFIG_EVA - --__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, ) --__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, ) -+__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, , BCM4710_PROTECTED_FILL_TLB(addr); BCM4710_PROTECTED_FILL_TLB(aend);, BCM4710_DUMMY_RREG();) -+__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, , , ) - - #else - -@@ -770,15 +824,15 @@ __BUILD_PROT_BLAST_CACHE_RANGE(d, dcache - __BUILD_PROT_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I) - - #endif --__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, ) -+__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, , , ) - __BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson2, \ -- protected_, loongson2_) --__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , ) --__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, , ) --__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , ) -+ protected_, loongson2_, , ) -+__BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , , BCM4710_FILL_TLB(addr); BCM4710_FILL_TLB(aend);, BCM4710_DUMMY_RREG();) -+__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, , , , ) -+__BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , , , ) - /* blast_inv_dcache_range */ --__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, , ) --__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, , ) -+__BUILD_BLAST_CACHE_RANGE(inv_d, dcache, Hit_Invalidate_D, , , , BCM4710_DUMMY_RREG();) -+__BUILD_BLAST_CACHE_RANGE(inv_s, scache, Hit_Invalidate_SD, , , , ) - - /* Currently, this is very specific to Loongson-3 */ - #define __BUILD_BLAST_CACHE_NODE(pfx, desc, indexop, hitop, lsize) \ ---- a/arch/mips/include/asm/stackframe.h -+++ b/arch/mips/include/asm/stackframe.h -@@ -428,6 +428,10 @@ - eretnc - #else - .set arch=r4000 -+#ifdef CONFIG_BCM47XX -+ nop -+ nop -+#endif - eret - .set mips0 - #endif ---- a/arch/mips/kernel/genex.S -+++ b/arch/mips/kernel/genex.S -@@ -21,6 +21,19 @@ - #include <asm/war.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 -+ - __INIT - - /* -@@ -32,6 +45,9 @@ - NESTED(except_vec3_generic, 0, sp) - .set push - .set noat -+#ifdef CONFIG_BCM47XX -+ nop -+#endif - #if R5432_CP0_INTERRUPT_WAR - mfc0 k0, CP0_INDEX - #endif -@@ -55,6 +71,9 @@ NESTED(except_vec3_r4000, 0, sp) - .set push - .set arch=r4000 - .set noat -+#ifdef CONFIG_BCM47XX -+ nop -+#endif - mfc0 k1, CP0_CAUSE - li k0, 31<<2 - andi k1, k1, 0x7c ---- a/arch/mips/mm/c-r4k.c -+++ b/arch/mips/mm/c-r4k.c -@@ -39,6 +39,9 @@ - #include <asm/dma-coherence.h> - #include <asm/mips-cps.h> - -+/* For enabling BCM4710 cache workarounds */ -+static int bcm4710 = 0; -+ - /* - * Bits describing what cache ops an SMP callback function may perform. - * -@@ -190,6 +193,9 @@ static void r4k_blast_dcache_user_page_s - { - unsigned long dc_lsize = cpu_dcache_line_size(); - -+ if (bcm4710) -+ r4k_blast_dcache_page = blast_dcache_page; -+ else - if (dc_lsize == 0) - r4k_blast_dcache_user_page = (void *)cache_noop; - else if (dc_lsize == 16) -@@ -208,6 +214,9 @@ static void r4k_blast_dcache_page_indexe - { - unsigned long dc_lsize = cpu_dcache_line_size(); - -+ if (bcm4710) -+ r4k_blast_dcache_page_indexed = blast_dcache_page_indexed; -+ else - if (dc_lsize == 0) - r4k_blast_dcache_page_indexed = (void *)cache_noop; - else if (dc_lsize == 16) -@@ -227,6 +236,9 @@ static void r4k_blast_dcache_setup(void) - { - unsigned long dc_lsize = cpu_dcache_line_size(); - -+ if (bcm4710) -+ r4k_blast_dcache = blast_dcache; -+ else - if (dc_lsize == 0) - r4k_blast_dcache = (void *)cache_noop; - else if (dc_lsize == 16) -@@ -986,6 +998,8 @@ static void local_r4k_flush_cache_sigtra - } - - R4600_HIT_CACHEOP_WAR_IMPL; -+ BCM4710_PROTECTED_FILL_TLB(addr); -+ BCM4710_PROTECTED_FILL_TLB(addr + 4); - if (!cpu_has_ic_fills_f_dc) { - if (dc_lsize) - vaddr ? flush_dcache_line(addr & ~(dc_lsize - 1)) -@@ -1888,6 +1902,17 @@ static void coherency_setup(void) - * silly idea of putting something else there ... - */ - switch (current_cpu_type()) { -+ case CPU_BMIPS3300: -+ { -+ u32 cm; -+ cm = read_c0_diag(); -+ /* Enable icache */ -+ cm |= (1 << 31); -+ /* Enable dcache */ -+ cm |= (1 << 30); -+ write_c0_diag(cm); -+ } -+ break; - case CPU_R4000PC: - case CPU_R4000SC: - case CPU_R4000MC: -@@ -1934,6 +1959,15 @@ void r4k_cache_init(void) - extern void build_copy_page(void); - struct cpuinfo_mips *c = ¤t_cpu_data; - -+ /* Check if special workarounds are required */ -+#if defined(CONFIG_BCM47XX) && !defined(CONFIG_CPU_MIPS32_R2) -+ if (current_cpu_data.cputype == CPU_BMIPS32 && (current_cpu_data.processor_id & 0xff) == 0) { -+ printk("Enabling BCM4710A0 cache workarounds.\n"); -+ bcm4710 = 1; -+ } else -+#endif -+ bcm4710 = 0; -+ - probe_pcache(); - probe_vcache(); - setup_scache(); -@@ -2012,7 +2046,15 @@ void r4k_cache_init(void) - */ - local_r4k___flush_cache_all(NULL); - -+#ifdef CONFIG_BCM47XX -+ { -+ static void (*_coherency_setup)(void); -+ _coherency_setup = (void (*)(void)) KSEG1ADDR(coherency_setup); -+ _coherency_setup(); -+ } -+#else - coherency_setup(); -+#endif - board_cache_error_setup = r4k_cache_error_setup; - - /* ---- a/arch/mips/mm/tlbex.c -+++ b/arch/mips/mm/tlbex.c -@@ -979,6 +979,9 @@ void build_get_pgde32(u32 **p, unsigned - uasm_i_srl(p, ptr, ptr, SMP_CPUID_PTRSHIFT); - 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 */ -@@ -1340,6 +1343,9 @@ static void build_r4000_tlb_refill_handl - #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 - -@@ -1351,6 +1357,9 @@ static void build_r4000_tlb_refill_handl - 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_MIPS_HUGE_TLB_SUPPORT -@@ -2049,6 +2058,9 @@ build_r4000_tlbchange_handler_head(u32 * - #ifdef CONFIG_64BIT - build_get_pmde64(p, l, r, wr.r1, wr.r2); /* get pmd in ptr */ - #else -+# ifdef CONFIG_BCM47XX -+ uasm_i_nop(p); -+# endif - build_get_pgde32(p, wr.r1, wr.r2); /* get pgd in ptr */ - #endif - -@@ -2095,6 +2107,9 @@ build_r4000_tlbchange_handler_tail(u32 * - build_tlb_write_entry(p, l, r, tlb_indexed); - uasm_l_leave(l, *p); - build_restore_work_registers(p); -+#ifdef CONFIG_BCM47XX -+ uasm_i_nop(p); -+#endif - uasm_i_eret(p); /* return from trap */ - - #ifdef CONFIG_64BIT |