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-rw-r--r--arch/mips/include/asm/mach-ralink/mt7620.h40
-rw-r--r--arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h57
2 files changed, 89 insertions, 8 deletions
diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
index 9809972ea882..6f9b24f51157 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -20,6 +20,8 @@
#define SYSC_REG_CHIP_REV 0x0c
#define SYSC_REG_SYSTEM_CONFIG0 0x10
#define SYSC_REG_SYSTEM_CONFIG1 0x14
+#define SYSC_REG_CLKCFG0 0x2c
+#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
#define SYSC_REG_CPLL_CONFIG0 0x54
#define SYSC_REG_CPLL_CONFIG1 0x58
@@ -29,20 +31,42 @@
#define MT7620A_CHIP_NAME0 0x3637544d
#define MT7620A_CHIP_NAME1 0x20203032
+#define SYSCFG0_XTAL_FREQ_SEL BIT(6)
+
#define CHIP_REV_PKG_MASK 0x1
#define CHIP_REV_PKG_SHIFT 16
#define CHIP_REV_VER_MASK 0xf
#define CHIP_REV_VER_SHIFT 8
#define CHIP_REV_ECO_MASK 0xf
-#define CPLL_SW_CONFIG_SHIFT 31
-#define CPLL_SW_CONFIG_MASK 0x1
-#define CPLL_CPU_CLK_SHIFT 24
-#define CPLL_CPU_CLK_MASK 0x1
-#define CPLL_MULT_RATIO_SHIFT 16
-#define CPLL_MULT_RATIO 0x7
-#define CPLL_DIV_RATIO_SHIFT 10
-#define CPLL_DIV_RATIO 0x3
+#define CLKCFG0_PERI_CLK_SEL BIT(4)
+
+#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
+#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
+#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
+#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
+#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
+#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
+#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
+#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
+#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
+#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
+#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
+
+#define CPLL_CFG0_SW_CFG BIT(31)
+#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
+#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
+#define CPLL_CFG0_LC_CURFCK BIT(15)
+#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
+#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
+#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
+
+#define CPLL_CFG1_CPU_AUX1 BIT(25)
+#define CPLL_CFG1_CPU_AUX0 BIT(24)
#define SYSCFG0_DRAM_TYPE_MASK 0x3
#define SYSCFG0_DRAM_TYPE_SHIFT 4
diff --git a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
new file mode 100644
index 000000000000..f7bb8cfc5eb1
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
@@ -0,0 +1,57 @@
+/*
+ * Ralink MT7620 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 _MT7620_CPU_FEATURE_OVERRIDES_H
+#define _MT7620_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 1
+#define cpu_has_dsp2 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() 32
+#define cpu_icache_line_size() 32
+
+#endif /* _MT7620_CPU_FEATURE_OVERRIDES_H */