mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 16:31:13 +00:00
95 lines
2.9 KiB
Diff
95 lines
2.9 KiB
Diff
diff -urN linux-2.6.19.ref/arch/mips/Kconfig linux-2.6.19/arch/mips/Kconfig
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--- linux-2.6.19.ref/arch/mips/Kconfig 2006-12-04 21:33:48.000000000 +0100
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+++ linux-2.6.19/arch/mips/Kconfig 2006-12-04 21:34:04.000000000 +0100
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@@ -283,7 +283,6 @@
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select I8259
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select MIPS_BOARDS_GEN
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select MIPS_BONITO64
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- select MIPS_CPU_SCACHE
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select MIPS_GT64120
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select MIPS_MSC
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select SWAP_IO_SPACE
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@@ -1434,13 +1433,6 @@
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bool
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select BOARD_SCACHE
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-#
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-# Support for a MIPS32 / MIPS64 style S-caches
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-#
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-config MIPS_CPU_SCACHE
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- bool
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- select BOARD_SCACHE
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-
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config R5000_CPU_SCACHE
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bool
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select BOARD_SCACHE
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diff -urN linux-2.6.19.ref/arch/mips/kernel/cpu-probe.c linux-2.6.19/arch/mips/kernel/cpu-probe.c
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--- linux-2.6.19.ref/arch/mips/kernel/cpu-probe.c 2006-12-04 21:33:48.000000000 +0100
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+++ linux-2.6.19/arch/mips/kernel/cpu-probe.c 2006-12-04 21:34:04.000000000 +0100
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@@ -631,6 +631,8 @@
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break;
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case PRID_IMP_25KF:
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c->cputype = CPU_25KF;
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+ /* Probe for L2 cache */
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+ c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
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break;
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case PRID_IMP_34K:
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c->cputype = CPU_34K;
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diff -urN linux-2.6.19.ref/arch/mips/mm/c-r4k.c linux-2.6.19/arch/mips/mm/c-r4k.c
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--- linux-2.6.19.ref/arch/mips/mm/c-r4k.c 2006-11-29 22:57:37.000000000 +0100
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+++ linux-2.6.19/arch/mips/mm/c-r4k.c 2006-12-04 21:34:04.000000000 +0100
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@@ -1038,7 +1038,6 @@
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extern int r5k_sc_init(void);
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extern int rm7k_sc_init(void);
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-extern int mips_sc_init(void);
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static void __init setup_scache(void)
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{
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@@ -1086,29 +1085,17 @@
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return;
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default:
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- if (c->isa_level == MIPS_CPU_ISA_M32R1 ||
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- c->isa_level == MIPS_CPU_ISA_M32R2 ||
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- c->isa_level == MIPS_CPU_ISA_M64R1 ||
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- c->isa_level == MIPS_CPU_ISA_M64R2) {
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-#ifdef CONFIG_MIPS_CPU_SCACHE
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- if (mips_sc_init ()) {
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- scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
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- printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n",
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- scache_size >> 10,
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- way_string[c->scache.ways], c->scache.linesz);
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- }
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-#else
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- if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
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- panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
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-#endif
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- return;
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- }
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sc_present = 0;
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}
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if (!sc_present)
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return;
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+ if ((c->isa_level == MIPS_CPU_ISA_M32R1 ||
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+ c->isa_level == MIPS_CPU_ISA_M64R1) &&
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+ !(c->scache.flags & MIPS_CACHE_NOT_PRESENT))
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+ panic("Dunno how to handle MIPS32 / MIPS64 second level cache");
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+
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/* compute a couple of other cache variables */
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c->scache.waysize = scache_size / c->scache.ways;
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diff -urN linux-2.6.19.ref/arch/mips/mm/Makefile linux-2.6.19/arch/mips/mm/Makefile
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--- linux-2.6.19.ref/arch/mips/mm/Makefile 2006-11-29 22:57:37.000000000 +0100
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+++ linux-2.6.19/arch/mips/mm/Makefile 2006-12-04 21:34:04.000000000 +0100
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@@ -30,7 +30,6 @@
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obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o
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obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o
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obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o
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-obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o
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#
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# Choose one DMA coherency model
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