diff options
Diffstat (limited to 'arch/mn10300/include/asm/cpu-regs.h')
| -rw-r--r-- | arch/mn10300/include/asm/cpu-regs.h | 91 |
1 files changed, 77 insertions, 14 deletions
diff --git a/arch/mn10300/include/asm/cpu-regs.h b/arch/mn10300/include/asm/cpu-regs.h index 757e9b5388ea..90ed4a365c97 100644 --- a/arch/mn10300/include/asm/cpu-regs.h +++ b/arch/mn10300/include/asm/cpu-regs.h @@ -15,7 +15,6 @@ #include <linux/types.h> #endif -#ifdef CONFIG_MN10300_CPU_AM33V2 /* we tell the compiler to pretend to be AM33 so that it doesn't try and use * the FP regs, but tell the assembler that we're actually allowed AM33v2 * instructions */ @@ -24,7 +23,6 @@ asm(" .am33_2\n"); #else .am33_2 #endif -#endif #ifdef __KERNEL__ @@ -58,6 +56,9 @@ asm(" .am33_2\n"); #define EPSW_nAR 0x00040000 /* register bank control */ #define EPSW_ML 0x00080000 /* monitor level */ #define EPSW_FE 0x00100000 /* FPU enable */ +#define EPSW_IM_SHIFT 8 /* EPSW_IM_SHIFT determines the interrupt mode */ + +#define NUM2EPSW_IM(num) ((num) << EPSW_IM_SHIFT) /* FPU registers */ #define FPCR_EF_I 0x00000001 /* inexact result FPU exception flag */ @@ -99,9 +100,11 @@ asm(" .am33_2\n"); #define CPUREV __SYSREGC(0xc0000050, u32) /* CPU revision register */ #define CPUREV_TYPE 0x0000000f /* CPU type */ #define CPUREV_TYPE_S 0 -#define CPUREV_TYPE_AM33V1 0x00000000 /* - AM33 V1 core, AM33/1.00 arch */ -#define CPUREV_TYPE_AM33V2 0x00000001 /* - AM33 V2 core, AM33/2.00 arch */ -#define CPUREV_TYPE_AM34V1 0x00000002 /* - AM34 V1 core, AM33/2.00 arch */ +#define CPUREV_TYPE_AM33_1 0x00000000 /* - AM33-1 core, AM33/1.00 arch */ +#define CPUREV_TYPE_AM33_2 0x00000001 /* - AM33-2 core, AM33/2.00 arch */ +#define CPUREV_TYPE_AM34_1 0x00000002 /* - AM34-1 core, AM33/2.00 arch */ +#define CPUREV_TYPE_AM33_3 0x00000003 /* - AM33-3 core, AM33/2.00 arch */ +#define CPUREV_TYPE_AM34_2 0x00000004 /* - AM34-2 core, AM33/3.00 arch */ #define CPUREV_REVISION 0x000000f0 /* CPU revision */ #define CPUREV_REVISION_S 4 #define CPUREV_ICWAY 0x00000f00 /* number of instruction cache ways */ @@ -180,6 +183,21 @@ asm(" .am33_2\n"); #define CHCTR_ICWMD 0x0f00 /* instruction cache way mode */ #define CHCTR_DCWMD 0xf000 /* data cache way mode */ +#ifdef CONFIG_AM34_2 +#define ICIVCR __SYSREG(0xc0000c00, u32) /* icache area invalidate control */ +#define ICIVCR_ICIVBSY 0x00000008 /* icache area invalidate busy */ +#define ICIVCR_ICI 0x00000001 /* icache area invalidate */ + +#define ICIVMR __SYSREG(0xc0000c04, u32) /* icache area invalidate mask */ + +#define DCPGCR __SYSREG(0xc0000c10, u32) /* data cache area purge control */ +#define DCPGCR_DCPGBSY 0x00000008 /* data cache area purge busy */ +#define DCPGCR_DCP 0x00000002 /* data cache area purge */ +#define DCPGCR_DCI 0x00000001 /* data cache area invalidate */ + +#define DCPGMR __SYSREG(0xc0000c14, u32) /* data cache area purge mask */ +#endif /* CONFIG_AM34_2 */ + /* MMU control registers */ #define MMUCTR __SYSREG(0xc0000090, u32) /* MMU control register */ #define MMUCTR_IRP 0x0000003f /* instruction TLB replace pointer */ @@ -203,6 +221,9 @@ asm(" .am33_2\n"); #define MMUCTR_DTL_LOCK0_3 0x03000000 /* - entry 0-3 locked */ #define MMUCTR_DTL_LOCK0_7 0x04000000 /* - entry 0-7 locked */ #define MMUCTR_DTL_LOCK0_15 0x05000000 /* - entry 0-15 locked */ +#ifdef CONFIG_AM34_2 +#define MMUCTR_WTE 0x80000000 /* write-through cache TLB entry bit enable */ +#endif #define PIDR __SYSREG(0xc0000094, u16) /* PID register */ #define PIDR_PID 0x00ff /* process identifier */ @@ -231,14 +252,6 @@ asm(" .am33_2\n"); #define xPTEL_PS_4Mb 0x00000c00 /* - 4Mb page */ #define xPTEL_PPN 0xfffff006 /* physical page number */ -#define xPTEL_V_BIT 0 /* bit numbers corresponding to above masks */ -#define xPTEL_UNUSED1_BIT 1 -#define xPTEL_UNUSED2_BIT 2 -#define xPTEL_C_BIT 3 -#define xPTEL_PV_BIT 4 -#define xPTEL_D_BIT 5 -#define xPTEL_G_BIT 9 - #define IPTEU __SYSREG(0xc00000a4, u32) /* instruction TLB virtual addr */ #define DPTEU __SYSREG(0xc00000b4, u32) /* data TLB virtual addr */ #define xPTEU_VPN 0xfffffc00 /* virtual page number */ @@ -262,7 +275,16 @@ asm(" .am33_2\n"); #define xPTEL2_PS_128Kb 0x00000100 /* - 128Kb page */ #define xPTEL2_PS_1Kb 0x00000200 /* - 1Kb page */ #define xPTEL2_PS_4Mb 0x00000300 /* - 4Mb page */ -#define xPTEL2_PPN 0xfffffc00 /* physical page number */ +#define xPTEL2_CWT 0x00000400 /* cacheable write-through */ +#define xPTEL2_UNUSED1 0x00000800 /* unused bit (broadcast mask) */ +#define xPTEL2_PPN 0xfffff000 /* physical page number */ + +#define xPTEL2_V_BIT 0 /* bit numbers corresponding to above masks */ +#define xPTEL2_C_BIT 1 +#define xPTEL2_PV_BIT 2 +#define xPTEL2_D_BIT 3 +#define xPTEL2_G_BIT 7 +#define xPTEL2_UNUSED1_BIT 11 #define MMUFCR __SYSREGC(0xc000009c, u32) /* MMU exception cause */ #define MMUFCR_IFC __SYSREGC(0xc000009c, u16) /* MMU instruction excep cause */ @@ -285,6 +307,47 @@ asm(" .am33_2\n"); #define MMUFCR_xFC_PR_RWK_RWU 0x01c0 /* - R/W kernel and R/W user */ #define MMUFCR_xFC_ILLADDR 0x0200 /* illegal address excep flag */ +#ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT +/* atomic operation registers */ +#define AAR __SYSREG(0xc0000a00, u32) /* cacheable address */ +#define AAR2 __SYSREG(0xc0000a04, u32) /* uncacheable address */ +#define ADR __SYSREG(0xc0000a08, u32) /* data */ +#define ASR __SYSREG(0xc0000a0c, u32) /* status */ +#define AARU __SYSREG(0xd400aa00, u32) /* user address */ +#define ADRU __SYSREG(0xd400aa08, u32) /* user data */ +#define ASRU __SYSREG(0xd400aa0c, u32) /* user status */ + +#define ASR_RW 0x00000008 /* read */ +#define ASR_BW 0x00000004 /* bus error */ +#define ASR_IW 0x00000002 /* interrupt */ +#define ASR_LW 0x00000001 /* bus lock */ + +#define ASRU_RW ASR_RW /* read */ +#define ASRU_BW ASR_BW /* bus error */ +#define ASRU_IW ASR_IW /* interrupt */ +#define ASRU_LW ASR_LW /* bus lock */ + +/* in inline ASM, we stick the base pointer in to a reg and use offsets from + * it */ +#define ATOMIC_OPS_BASE_ADDR 0xc0000a00 +#ifndef __ASSEMBLY__ +asm( + "_AAR = 0\n" + "_AAR2 = 4\n" + "_ADR = 8\n" + "_ASR = 12\n"); +#else +#define _AAR 0 +#define _AAR2 4 +#define _ADR 8 +#define _ASR 12 +#endif + +/* physical page address for userspace atomic operations registers */ +#define USER_ATOMIC_OPS_PAGE_ADDR 0xd400a000 + +#endif /* CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT */ + #endif /* __KERNEL__ */ #endif /* _ASM_CPU_REGS_H */ |