From 809c03fe4c0f90c640b26e6a2792553b592c68f2 Mon Sep 17 00:00:00 2001 From: lars Date: Mon, 11 Jan 2010 04:44:45 +0000 Subject: Merge xburst target. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19098 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/xburst/patches-2.6.32/001-core.patch | 684 ++++++++++++++++++++++ 1 file changed, 684 insertions(+) create mode 100644 target/linux/xburst/patches-2.6.32/001-core.patch (limited to 'target/linux/xburst/patches-2.6.32/001-core.patch') diff --git a/target/linux/xburst/patches-2.6.32/001-core.patch b/target/linux/xburst/patches-2.6.32/001-core.patch new file mode 100644 index 000000000..95e5e4011 --- /dev/null +++ b/target/linux/xburst/patches-2.6.32/001-core.patch @@ -0,0 +1,684 @@ +From 42789dfb077bb7b640ee19d0e3f7808dc5318adf Mon Sep 17 00:00:00 2001 +From: Lars-Peter Clausen +Date: Mon, 11 Jan 2010 04:29:35 +0100 +Subject: [PATCH] /opt/Projects/openwrt/target/linux/xburst/patches-2.6.31/001-core.patch + +--- + arch/mips/Kconfig | 29 ++++ + arch/mips/Makefile | 18 +++ + arch/mips/boot/Makefile | 23 +++- + arch/mips/include/asm/bootinfo.h | 6 + + arch/mips/include/asm/cpu.h | 13 ++- + arch/mips/include/asm/mach-generic/irq.h | 2 +- + arch/mips/include/asm/r4kcache.h | 231 ++++++++++++++++++++++++++++++ + arch/mips/include/asm/suspend.h | 3 + + arch/mips/kernel/cpu-probe.c | 21 +++ + arch/mips/mm/c-r4k.c | 30 ++++ + arch/mips/mm/cache.c | 2 + + arch/mips/mm/tlbex.c | 5 + + 12 files changed, 379 insertions(+), 4 deletions(-) + +diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig +index fd7620f..9b40aa8 100644 +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -174,6 +174,9 @@ config MACH_JAZZ + Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and + Olivetti M700-10 workstations. + ++config MACH_JZ ++ bool "Ingenic JZ4720/JZ4740 based machines" ++ + config LASAT + bool "LASAT Networks platforms" + select CEVT_R4K +@@ -677,6 +680,7 @@ source "arch/mips/alchemy/Kconfig" + source "arch/mips/basler/excite/Kconfig" + source "arch/mips/bcm63xx/Kconfig" + source "arch/mips/jazz/Kconfig" ++source "arch/mips/jz4740/Kconfig" + source "arch/mips/lasat/Kconfig" + source "arch/mips/pmc-sierra/Kconfig" + source "arch/mips/sgi-ip27/Kconfig" +@@ -1895,6 +1899,14 @@ config NR_CPUS + + source "kernel/time/Kconfig" + ++# the value of (max order + 1) ++config FORCE_MAX_ZONEORDER ++ prompt "MAX_ZONEORDER" ++ int ++ default "12" ++ help ++ The max memory that can be allocated = 4KB * 2^(CONFIG_FORCE_MAX_ZONEORDER - 1) ++ + # + # Timer Interrupt Frequency Configuration + # +diff --git a/arch/mips/Makefile b/arch/mips/Makefile +index 77f5021..1b22297 100644 +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -184,6 +184,14 @@ cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7 + load-$(CONFIG_AR7) += 0xffffffff94100000 + + # ++# Commond Ingenic JZ4740 series ++# ++ ++core-$(CONFIG_SOC_JZ4740) += arch/mips/jz4740/ ++cflags-$(CONFIG_SOC_JZ4740) += -I$(srctree)/arch/mips/include/asm/mach-jz4740 ++load-$(CONFIG_SOC_JZ4740) += 0xffffffff80010000 ++ ++# + # Acer PICA 61, Mips Magnum 4000 and Olivetti M700. + # + core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/ +@@ -702,6 +710,12 @@ makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1) + + all: $(all-y) + ++uImage: $(vmlinux-32) ++ +@$(call makeboot,$@) ++ ++zImage: $(vmlinux-32) ++ +@$(call makeboot,$@) ++ + vmlinux.bin: $(vmlinux-32) + +@$(call makeboot,$@) + +@@ -731,6 +745,7 @@ install: + + archclean: + @$(MAKE) $(clean)=arch/mips/boot ++ @$(MAKE) $(clean)=arch/mips/boot/compressed + @$(MAKE) $(clean)=arch/mips/lasat + + define archhelp +@@ -738,6 +753,9 @@ define archhelp + echo ' vmlinux.ecoff - ECOFF boot image' + echo ' vmlinux.bin - Raw binary boot image' + echo ' vmlinux.srec - SREC boot image' ++ echo ' uImage - u-boot format image (arch/$(ARCH)/boot/uImage)' ++ echo ' zImage - Compressed binary image (arch/$(ARCH)/boot/compressed/zImage)' ++ echo ' vmlinux.bin - Uncompressed binary image (arch/$(ARCH)/boot/vmlinux.bin)' + echo + echo ' These will be default as apropriate for a configured platform.' + endef +diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile +index 2a209d7..1cfce3e 100644 +--- a/arch/mips/boot/Makefile ++++ b/arch/mips/boot/Makefile +@@ -7,6 +7,9 @@ + # Copyright (C) 2004 Maciej W. Rozycki + # + ++# This one must match the LOADADDR in arch/mips/Makefile! ++LOADADDR=0x80010000 ++ + # + # Some DECstations need all possible sections of an ECOFF executable + # +@@ -25,7 +28,7 @@ strip-flags = $(addprefix --remove-section=,$(drop-sections)) + + VMLINUX = vmlinux + +-all: vmlinux.ecoff vmlinux.srec addinitrd ++all: vmlinux.ecoff vmlinux.srec addinitrd uImage zImage + + vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) + $(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS) +@@ -42,8 +45,24 @@ vmlinux.srec: $(VMLINUX) + $(obj)/addinitrd: $(obj)/addinitrd.c + $(HOSTCC) -o $@ $^ + ++uImage: $(VMLINUX) vmlinux.bin ++ rm -f $(obj)/vmlinux.bin.gz ++ gzip -9 $(obj)/vmlinux.bin ++ mkimage -A mips -O linux -T kernel -C gzip \ ++ -a $(LOADADDR) -e $(shell sh ./$(obj)/tools/entry $(NM) $(VMLINUX) ) \ ++ -n 'Linux-$(KERNELRELEASE)' \ ++ -d $(obj)/vmlinux.bin.gz $(obj)/uImage ++ @echo ' Kernel: arch/mips/boot/$@ is ready' ++ ++zImage: ++ $(Q)$(MAKE) $(build)=$(obj)/compressed loadaddr=$(LOADADDR) $@ ++ @echo ' Kernel: arch/mips/boot/compressed/$@ is ready' ++ + clean-files += addinitrd \ + elf2ecoff \ + vmlinux.bin \ + vmlinux.ecoff \ +- vmlinux.srec ++ vmlinux.srec \ ++ vmlinux.bin.gz \ ++ uImage \ ++ zImage +diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h +index f5dfaf6..584376f 100644 +--- a/arch/mips/include/asm/bootinfo.h ++++ b/arch/mips/include/asm/bootinfo.h +@@ -69,6 +69,12 @@ + #define MACH_DEXXON_GDIUM2F10 5 + #define MACH_LOONGSON_END 6 + ++/* ++ * Valid machtype for group INGENIC ++ */ ++#define MACH_INGENIC_JZ4720 0 /* JZ4730 SOC */ ++#define MACH_INGENIC_JZ4740 1 /* JZ4740 SOC */ ++ + #define CL_SIZE COMMAND_LINE_SIZE + + extern char *system_type; +diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h +index 4b96d1a..478a527 100644 +--- a/arch/mips/include/asm/cpu.h ++++ b/arch/mips/include/asm/cpu.h +@@ -34,7 +34,7 @@ + #define PRID_COMP_LSI 0x080000 + #define PRID_COMP_LEXRA 0x0b0000 + #define PRID_COMP_CAVIUM 0x0d0000 +- ++#define PRID_COMP_INGENIC 0xd00000 + + /* + * Assigned values for the product ID register. In order to detect a +@@ -133,6 +133,12 @@ + #define PRID_IMP_CAVIUM_CN52XX 0x0700 + + /* ++ * These are the PRID's for when 23:16 == PRID_COMP_INGENIC ++ */ ++ ++#define PRID_IMP_JZRISC 0x0200 ++ ++/* + * Definitions for 7:0 on legacy processors + */ + +@@ -224,6 +230,11 @@ enum cpu_type_enum { + CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, + CPU_CAVIUM_OCTEON, + ++ /* ++ * Ingenic class processors ++ */ ++ CPU_JZRISC, CPU_XBURST, ++ + CPU_LAST + }; + +diff --git a/arch/mips/include/asm/mach-generic/irq.h b/arch/mips/include/asm/mach-generic/irq.h +index 70d9a25..73b7a83 100644 +--- a/arch/mips/include/asm/mach-generic/irq.h ++++ b/arch/mips/include/asm/mach-generic/irq.h +@@ -9,7 +9,7 @@ + #define __ASM_MACH_GENERIC_IRQ_H + + #ifndef NR_IRQS +-#define NR_IRQS 128 ++#define NR_IRQS 256 + #endif + + #ifdef CONFIG_I8259 +diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h +index 387bf59..b500056 100644 +--- a/arch/mips/include/asm/r4kcache.h ++++ b/arch/mips/include/asm/r4kcache.h +@@ -17,6 +17,58 @@ + #include + #include + ++#ifdef CONFIG_JZRISC ++ ++#define K0_TO_K1() \ ++do { \ ++ unsigned long __k0_addr; \ ++ \ ++ __asm__ __volatile__( \ ++ "la %0, 1f\n\t" \ ++ "or %0, %0, %1\n\t" \ ++ "jr %0\n\t" \ ++ "nop\n\t" \ ++ "1: nop\n" \ ++ : "=&r"(__k0_addr) \ ++ : "r" (0x20000000) ); \ ++} while(0) ++ ++#define K1_TO_K0() \ ++do { \ ++ unsigned long __k0_addr; \ ++ __asm__ __volatile__( \ ++ "nop;nop;nop;nop;nop;nop;nop\n\t" \ ++ "la %0, 1f\n\t" \ ++ "jr %0\n\t" \ ++ "nop\n\t" \ ++ "1: nop\n" \ ++ : "=&r" (__k0_addr)); \ ++} while (0) ++ ++#define INVALIDATE_BTB() \ ++do { \ ++ unsigned long tmp; \ ++ __asm__ __volatile__( \ ++ ".set mips32\n\t" \ ++ "mfc0 %0, $16, 7\n\t" \ ++ "nop\n\t" \ ++ "ori %0, 2\n\t" \ ++ "mtc0 %0, $16, 7\n\t" \ ++ "nop\n\t" \ ++ : "=&r" (tmp)); \ ++} while (0) ++ ++#define SYNC_WB() __asm__ __volatile__ ("sync") ++ ++#else /* CONFIG_JZRISC */ ++ ++#define K0_TO_K1() do { } while (0) ++#define K1_TO_K0() do { } while (0) ++#define INVALIDATE_BTB() do { } while (0) ++#define SYNC_WB() do { } while (0) ++ ++#endif /* CONFIG_JZRISC */ ++ + /* + * This macro return a properly sign-extended address suitable as base address + * for indexed cache operations. Two issues here: +@@ -144,6 +196,7 @@ static inline void flush_icache_line_indexed(unsigned long addr) + { + __iflush_prologue + cache_op(Index_Invalidate_I, addr); ++ INVALIDATE_BTB(); + __iflush_epilogue + } + +@@ -151,6 +204,7 @@ static inline void flush_dcache_line_indexed(unsigned long addr) + { + __dflush_prologue + cache_op(Index_Writeback_Inv_D, addr); ++ SYNC_WB(); + __dflush_epilogue + } + +@@ -163,6 +217,7 @@ static inline void flush_icache_line(unsigned long addr) + { + __iflush_prologue + cache_op(Hit_Invalidate_I, addr); ++ INVALIDATE_BTB(); + __iflush_epilogue + } + +@@ -170,6 +225,7 @@ static inline void flush_dcache_line(unsigned long addr) + { + __dflush_prologue + cache_op(Hit_Writeback_Inv_D, addr); ++ SYNC_WB(); + __dflush_epilogue + } + +@@ -177,6 +233,7 @@ static inline void invalidate_dcache_line(unsigned long addr) + { + __dflush_prologue + cache_op(Hit_Invalidate_D, addr); ++ SYNC_WB(); + __dflush_epilogue + } + +@@ -209,6 +266,7 @@ static inline void flush_scache_line(unsigned long addr) + static inline void protected_flush_icache_line(unsigned long addr) + { + protected_cache_op(Hit_Invalidate_I, addr); ++ INVALIDATE_BTB(); + } + + /* +@@ -220,6 +278,7 @@ static inline void protected_flush_icache_line(unsigned long addr) + static inline void protected_writeback_dcache_line(unsigned long addr) + { + protected_cache_op(Hit_Writeback_Inv_D, addr); ++ SYNC_WB(); + } + + static inline void protected_writeback_scache_line(unsigned long addr) +@@ -396,8 +455,10 @@ static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page) + __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) ++#ifndef CONFIG_JZRISC + __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) ++#endif + __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) +@@ -405,12 +466,122 @@ __BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64) + __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) ++#ifndef CONFIG_JZRISC + __BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32) ++#endif + __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) + ++#ifdef CONFIG_JZRISC ++ ++static inline void blast_dcache32(void) ++{ ++ unsigned long start = INDEX_BASE; ++ unsigned long end = start + current_cpu_data.dcache.waysize; ++ 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) ++ for (addr = start; addr < end; addr += 0x400) ++ cache32_unroll32(addr|ws,Index_Writeback_Inv_D); ++ ++ SYNC_WB(); ++} ++ ++static inline void blast_dcache32_page(unsigned long page) ++{ ++ unsigned long start = page; ++ unsigned long end = page + PAGE_SIZE; ++ ++ do { ++ cache32_unroll32(start,Hit_Writeback_Inv_D); ++ start += 0x400; ++ } while (start < end); ++ ++ SYNC_WB(); ++} ++ ++static inline void blast_dcache32_page_indexed(unsigned long page) ++{ ++ unsigned long indexmask = current_cpu_data.dcache.waysize - 1; ++ unsigned long start = INDEX_BASE + (page & indexmask); ++ 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) ++ for (addr = start; addr < end; addr += 0x400) ++ cache32_unroll32(addr|ws,Index_Writeback_Inv_D); ++ ++ SYNC_WB(); ++} ++ ++static inline void blast_icache32(void) ++{ ++ unsigned long start = INDEX_BASE; ++ unsigned long end = start + current_cpu_data.icache.waysize; ++ unsigned long ws_inc = 1UL << current_cpu_data.icache.waybit; ++ unsigned long ws_end = current_cpu_data.icache.ways << ++ current_cpu_data.icache.waybit; ++ unsigned long ws, addr; ++ ++ K0_TO_K1(); ++ ++ for (ws = 0; ws < ws_end; ws += ws_inc) ++ for (addr = start; addr < end; addr += 0x400) ++ cache32_unroll32(addr|ws,Index_Invalidate_I); ++ ++ INVALIDATE_BTB(); ++ ++ K1_TO_K0(); ++} ++ ++static inline void blast_icache32_page(unsigned long page) ++{ ++ unsigned long start = page; ++ unsigned long end = page + PAGE_SIZE; ++ ++ K0_TO_K1(); ++ ++ do { ++ cache32_unroll32(start,Hit_Invalidate_I); ++ start += 0x400; ++ } while (start < end); ++ ++ INVALIDATE_BTB(); ++ ++ K1_TO_K0(); ++} ++ ++static inline void blast_icache32_page_indexed(unsigned long page) ++{ ++ unsigned long indexmask = current_cpu_data.icache.waysize - 1; ++ unsigned long start = INDEX_BASE + (page & indexmask); ++ unsigned long end = start + PAGE_SIZE; ++ unsigned long ws_inc = 1UL << current_cpu_data.icache.waybit; ++ unsigned long ws_end = current_cpu_data.icache.ways << ++ current_cpu_data.icache.waybit; ++ unsigned long ws, addr; ++ ++ K0_TO_K1(); ++ ++ for (ws = 0; ws < ws_end; ws += ws_inc) ++ for (addr = start; addr < end; addr += 0x400) ++ cache32_unroll32(addr|ws,Index_Invalidate_I); ++ ++ INVALIDATE_BTB(); ++ ++ K1_TO_K0(); ++} ++ ++#endif /* CONFIG_JZRISC */ ++ + /* build blast_xxx_range, protected_blast_xxx_range */ + #define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot) \ + static inline void prot##blast_##pfx##cache##_range(unsigned long start, \ +@@ -432,13 +603,73 @@ static inline void prot##blast_##pfx##cache##_range(unsigned long start, \ + __##pfx##flush_epilogue \ + } + ++#ifndef CONFIG_JZRISC + __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_) ++#endif + __BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_) ++#ifndef CONFIG_JZRISC + __BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_) + __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, ) ++#endif + __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, ) + ++#ifdef CONFIG_JZRISC ++ ++static inline void protected_blast_dcache_range(unsigned long start, ++ unsigned long end) ++{ ++ unsigned long lsize = cpu_dcache_line_size(); ++ unsigned long addr = start & ~(lsize - 1); ++ unsigned long aend = (end - 1) & ~(lsize - 1); ++ ++ while (1) { ++ protected_cache_op(Hit_Writeback_Inv_D, addr); ++ if (addr == aend) ++ break; ++ addr += lsize; ++ } ++ SYNC_WB(); ++} ++ ++static inline void protected_blast_icache_range(unsigned long start, ++ unsigned long end) ++{ ++ unsigned long lsize = cpu_icache_line_size(); ++ unsigned long addr = start & ~(lsize - 1); ++ unsigned long aend = (end - 1) & ~(lsize - 1); ++ ++ K0_TO_K1(); ++ ++ while (1) { ++ protected_cache_op(Hit_Invalidate_I, addr); ++ if (addr == aend) ++ break; ++ addr += lsize; ++ } ++ INVALIDATE_BTB(); ++ ++ K1_TO_K0(); ++} ++ ++static inline void blast_dcache_range(unsigned long start, ++ unsigned long end) ++{ ++ unsigned long lsize = cpu_dcache_line_size(); ++ unsigned long addr = start & ~(lsize - 1); ++ unsigned long aend = (end - 1) & ~(lsize - 1); ++ ++ while (1) { ++ cache_op(Hit_Writeback_Inv_D, addr); ++ if (addr == aend) ++ break; ++ addr += lsize; ++ } ++ SYNC_WB(); ++} ++ ++#endif /* CONFIG_JZRISC */ ++ + #endif /* _ASM_R4KCACHE_H */ +diff --git a/arch/mips/include/asm/suspend.h b/arch/mips/include/asm/suspend.h +index 294cdb6..94dc597 100644 +--- a/arch/mips/include/asm/suspend.h ++++ b/arch/mips/include/asm/suspend.h +@@ -2,6 +2,9 @@ + #define __ASM_SUSPEND_H + + static inline int arch_prepare_suspend(void) { return 0; } ++#if defined(CONFIG_PM) && defined(CONFIG_JZSOC) ++extern int jz_pm_init(void); ++#endif + + /* References to section boundaries */ + extern const void __nosave_begin, __nosave_end; +diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c +index 7a51866..fd12b0c 100644 +--- a/arch/mips/kernel/cpu-probe.c ++++ b/arch/mips/kernel/cpu-probe.c +@@ -160,6 +160,7 @@ void __init check_wait(void) + case CPU_BCM6348: + case CPU_BCM6358: + case CPU_CAVIUM_OCTEON: ++ case CPU_JZRISC: + cpu_wait = r4k_wait; + break; + +@@ -902,6 +903,23 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu) + } + } + ++static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu) ++{ ++ decode_configs(c); ++ c->options &= ~MIPS_CPU_COUNTER; /* JZRISC does not implement the CP0 counter. */ ++ switch (c->processor_id & 0xff00) { ++ case PRID_IMP_JZRISC: ++ c->cputype = CPU_JZRISC; ++ c->isa_level = MIPS_CPU_ISA_M32R1; ++ c->tlbsize = 32; ++ __cpu_name[cpu] = "Ingenic JZRISC"; ++ break; ++ default: ++ panic("Unknown Ingenic Processor ID!"); ++ break; ++ } ++} ++ + const char *__cpu_name[NR_CPUS]; + + __cpuinit void cpu_probe(void) +@@ -939,6 +957,9 @@ __cpuinit void cpu_probe(void) + case PRID_COMP_CAVIUM: + cpu_probe_cavium(c, cpu); + break; ++ case PRID_COMP_INGENIC: ++ cpu_probe_ingenic(c, cpu); ++ break; + } + + BUG_ON(!__cpu_name[cpu]); +diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c +index 6721ee2..dd4b70b 100644 +--- a/arch/mips/mm/c-r4k.c ++++ b/arch/mips/mm/c-r4k.c +@@ -928,6 +928,36 @@ static void __cpuinit probe_pcache(void) + c->dcache.waybit = 0; + break; + ++ case CPU_JZRISC: ++ config1 = read_c0_config1(); ++ config1 = (config1 >> 22) & 0x07; ++ if (config1 == 0x07) ++ config1 = 10; ++ else ++ config1 = config1 + 11; ++ config1 += 2; ++ icache_size = (1 << config1); ++ c->icache.linesz = 32; ++ c->icache.ways = 4; ++ c->icache.waybit = __ffs(icache_size / c->icache.ways); ++ ++ config1 = read_c0_config1(); ++ config1 = (config1 >> 13) & 0x07; ++ if (config1 == 0x07) ++ config1 = 10; ++ else ++ config1 = config1 + 11; ++ config1 += 2; ++ dcache_size = (1 << config1); ++ c->dcache.linesz = 32; ++ c->dcache.ways = 4; ++ c->dcache.waybit = __ffs(dcache_size / c->dcache.ways); ++ ++ c->dcache.flags = 0; ++ c->options |= MIPS_CPU_PREFETCH; ++ ++ break; ++ + default: + if (!(config & MIPS_CONF_M)) + panic("Don't know how to probe P-caches on this cpu."); +diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c +index 694d51f..4b2bc95 100644 +--- a/arch/mips/mm/cache.c ++++ b/arch/mips/mm/cache.c +@@ -52,6 +52,8 @@ void (*_dma_cache_wback)(unsigned long start, unsigned long size); + void (*_dma_cache_inv)(unsigned long start, unsigned long size); + + EXPORT_SYMBOL(_dma_cache_wback_inv); ++EXPORT_SYMBOL(_dma_cache_wback); ++EXPORT_SYMBOL(_dma_cache_inv); + + #endif /* CONFIG_DMA_NONCOHERENT */ + +diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c +index bb1719a..13c128d 100644 +--- a/arch/mips/mm/tlbex.c ++++ b/arch/mips/mm/tlbex.c +@@ -389,6 +389,11 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l, + tlbw(p); + break; + ++ case CPU_JZRISC: ++ tlbw(p); ++ uasm_i_nop(p); ++ break; ++ + default: + panic("No TLB refill handler yet (CPU type: %d)", + current_cpu_data.cputype); +-- +1.5.6.5 + -- cgit v1.2.3