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git://projects.qi-hardware.com/openwrt-xburst.git
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3fb97947af
This patch is out of broadcoms official source code git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18413 3c298f89-4303-0410-b956-a3cf2f4a3e73
18 lines
433 B
Diff
18 lines
433 B
Diff
--- a/arch/mips/bcm47xx/prom.c
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+++ b/arch/mips/bcm47xx/prom.c
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@@ -141,6 +141,14 @@ static __init void prom_init_mem(void)
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break;
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}
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+ /* Ignoring the last page when ddr size is 128M. Cached
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+ * accesses to last page is causing the processor to prefetch
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+ * using address above 128M stepping out of the ddr address
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+ * space.
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+ */
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+ if (mem == 0x8000000)
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+ mem -= 0x1000;
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+
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add_memory_region(0, mem, BOOT_MEM_RAM);
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}
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