[ramips] cache_line_size is 16 on rt288x

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17462 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 66 insertions, 1 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
new file mode 100644
index 000000000..5e2736332
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
@@ -0,0 +1,56 @@
+/*
+ * Ralink RT288x specific CPU feature overrides
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+#ifndef __ASM_MACH_RALINK_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_RALINK_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		0
+#define cpu_has_mipsmt		0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	16
+#define cpu_icache_line_size()	16
+
+#endif /* __ASM_MACH_RALINK_CPU_FEATURE_OVERRIDES_H */
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/cpu-feature-overrides.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
index 6c41da851..3295d1a55 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/cpu-feature-overrides.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
@@ -1,5 +1,5 @@
 /*
- * Ralink RT288x/RT305x specific CPU feature overrides
+ * Ralink RT305x specific CPU feature overrides
  *
  * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
diff --git a/target/linux/ramips/patches-2.6.30/100-mips-ralink-core.patch b/target/linux/ramips/patches-2.6.30/100-mips-ralink-core.patch
index 42fd6ec5b..1613cf43a 100644
--- a/target/linux/ramips/patches-2.6.30/100-mips-ralink-core.patch
+++ b/target/linux/ramips/patches-2.6.30/100-mips-ralink-core.patch
@@ -47,3 +47,12 @@
  source "arch/mips/sgi-ip27/Kconfig"
  source "arch/mips/sibyte/Kconfig"
  source "arch/mips/txx9/Kconfig"
+@@ -988,7 +992,7 @@
+ 
+ config MIPS_L1_CACHE_SHIFT
+ 	int
+-	default "4" if MACH_DECSTATION || MIKROTIK_RB532
++	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || RALINK_RT288X
+ 	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
+ 	default "4" if PMC_MSP4200_EVAL
+ 	default "5"