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path: root/include/asm-avr32/sysreg.h
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/*
 * System registers for AVR32
 */
#ifndef __ASM_AVR32_SYSREG_H__
#define __ASM_AVR32_SYSREG_H__

/* system register offsets */
#define SYSREG_SR			0x0000
#define SYSREG_EVBA			0x0004
#define SYSREG_ACBA			0x0008
#define SYSREG_CPUCR			0x000c
#define SYSREG_ECR			0x0010
#define SYSREG_RSR_SUP			0x0014
#define SYSREG_RSR_INT0			0x0018
#define SYSREG_RSR_INT1			0x001c
#define SYSREG_RSR_INT2			0x0020
#define SYSREG_RSR_INT3			0x0024
#define SYSREG_RSR_EX			0x0028
#define SYSREG_RSR_NMI			0x002c
#define SYSREG_RSR_DBG			0x0030
#define SYSREG_RAR_SUP			0x0034
#define SYSREG_RAR_INT0			0x0038
#define SYSREG_RAR_INT1			0x003c
#define SYSREG_RAR_INT2			0x0040
#define SYSREG_RAR_INT3			0x0044
#define SYSREG_RAR_EX			0x0048
#define SYSREG_RAR_NMI			0x004c
#define SYSREG_RAR_DBG			0x0050
#define SYSREG_JECR			0x0054
#define SYSREG_JOSP			0x0058
#define SYSREG_JAVA_LV0			0x005c
#define SYSREG_JAVA_LV1			0x0060
#define SYSREG_JAVA_LV2			0x0064
#define SYSREG_JAVA_LV3			0x0068
#define SYSREG_JAVA_LV4			0x006c
#define SYSREG_JAVA_LV5			0x0070
#define SYSREG_JAVA_LV6			0x0074
#define SYSREG_JAVA_LV7			0x0078
#define SYSREG_JTBA			0x007c
#define SYSREG_JBCR			0x0080
#define SYSREG_CONFIG0			0x0100
#define SYSREG_CONFIG1			0x0104
#define SYSREG_COUNT			0x0108
#define SYSREG_COMPARE			0x010c
#define SYSREG_TLBEHI			0x0110
#define SYSREG_TLBELO			0x0114
#define SYSREG_PTBR			0x0118
#define SYSREG_TLBEAR			0x011c
#define SYSREG_MMUCR			0x0120
#define SYSREG_TLBARLO			0x0124
#define SYSREG_TLBARHI			0x0128
#define SYSREG_PCCNT			0x012c
#define SYSREG_PCNT0			0x0130
#define SYSREG_PCNT1			0x0134
#define SYSREG_PCCR			0x0138
#define SYSREG_BEAR			0x013c
#define SYSREG_SABAL			0x0300
#define SYSREG_SABAH			0x0304
#define SYSREG_SABD			0x0308

/* Bitfields in SR */
#define SYSREG_SR_C_OFFSET		0
#define SYSREG_SR_C_SIZE		1
#define SYSREG_Z_OFFSET			1
#define SYSREG_Z_SIZE			1
#define SYSREG_SR_N_OFFSET		2
#define SYSREG_SR_N_SIZE		1
#define SYSREG_SR_V_OFFSET		3
#define SYSREG_SR_V_SIZE		1
#define SYSREG_Q_OFFSET			4
#define SYSREG_Q_SIZE			1
#define SYSREG_L_OFFSET			5
#define SYSREG_L_SIZE			1
#define SYSREG_T_OFFSET			14
#define SYSREG_T_SIZE			1
#define SYSREG_SR_R_OFFSET		15
#define SYSREG_SR_R_SIZE		1
#define SYSREG_GM_OFFSET		16
#define SYSREG_GM_SIZE			1
#define SYSREG_I0M_OFFSET		17
#define SYSREG_I0M_SIZE			1
#define SYSREG_I1M_OFFSET		18
#define SYSREG_I1M_SIZE			1
#define SYSREG_I2M_OFFSET		19
#define SYSREG_I2M_SIZE			1
#define SYSREG_I3M_OFFSET		20
#define SYSREG_I3M_SIZE			1
#define SYSREG_EM_OFFSET		21
#define SYSREG_EM_SIZE			1
#define SYSREG_M0_OFFSET		22
#define SYSREG_M0_SIZE			1
#define SYSREG_M1_OFFSET		23
#define SYSREG_M1_SIZE			1
#define SYSREG_M2_OFFSET		24
#define SYSREG_M2_SIZE			1
#define SYSREG_SR_D_OFFSET		26
#define SYSREG_SR_D_SIZE		1
#define SYSREG_DM_OFFSET		27
#define SYSREG_DM_SIZE			1
#define SYSREG_SR_J_OFFSET		28
#define SYSREG_SR_J_SIZE		1
#define SYSREG_H_OFFSET			29
#define SYSREG_H_SIZE			1

/* Bitfields in CPUCR */
#define SYSREG_BI_OFFSET		0
#define SYSREG_BI_SIZE			1
#define SYSREG_BE_OFFSET		1
#define SYSREG_BE_SIZE			1
#define SYSREG_FE_OFFSET		2
#define SYSREG_FE_SIZE			1
#define SYSREG_RE_OFFSET		3
#define SYSREG_RE_SIZE			1
#define SYSREG_IBE_OFFSET		4
#define SYSREG_IBE_SIZE			1
#define SYSREG_IEE_OFFSET		5
#define SYSREG_IEE_SIZE			1

/* Bitfields in ECR */
#define SYSREG_ECR_OFFSET		0
#define SYSREG_ECR_SIZE			32

/* Bitfields in CONFIG0 */
#define SYSREG_CONFIG0_R_OFFSET		0
#define SYSREG_CONFIG0_R_SIZE		1
#define SYSREG_CONFIG0_D_OFFSET		1
#define SYSREG_CONFIG0_D_SIZE		1
#define SYSREG_CONFIG0_S_OFFSET		2
#define SYSREG_CONFIG0_S_SIZE		1
#define SYSREG_O_OFFSET			3
#define SYSREG_O_SIZE			1
#define SYSREG_P_OFFSET			4
#define SYSREG_P_SIZE			1
#define SYSREG_CONFIG0_J_OFFSET		5
#define SYSREG_CONFIG0_J_SIZE		1
#define SYSREG_F_OFFSET			6
#define SYSREG_F_SIZE			1
#define SYSREG_MMUT_OFFSET		7
#define SYSREG_MMUT_SIZE		3
#define SYSREG_AR_OFFSET		10
#define SYSREG_AR_SIZE			3
#define SYSREG_AT_OFFSET		13
#define SYSREG_AT_SIZE			3
#define SYSREG_PROCESSORREVISION_OFFSET	16
#define SYSREG_PROCESSORREVISION_SIZE	8
#define SYSREG_PROCESSORID_OFFSET	24
#define SYSREG_PROCESSORID_SIZE		8

/* Bitfields in CONFIG1 */
#define SYSREG_DASS_OFFSET		0
#define SYSREG_DASS_SIZE		3
#define SYSREG_DLSZ_OFFSET		3
#define SYSREG_DLSZ_SIZE		3
#define SYSREG_DSET_OFFSET		6
#define SYSREG_DSET_SIZE		4
#define SYSREG_IASS_OFFSET		10
#define SYSREG_IASS_SIZE		3
#define SYSREG_ILSZ_OFFSET		13
#define SYSREG_ILSZ_SIZE		3
#define SYSREG_ISET_OFFSET		16
#define SYSREG_ISET_SIZE		4
#define SYSREG_DMMUSZ_OFFSET		20
#define SYSREG_DMMUSZ_SIZE		6
#define SYSREG_IMMUSZ_OFFSET		26
#define SYSREG_IMMUSZ_SIZE		6

/* Bitfields in TLBEHI */
#define SYSREG_ASID_OFFSET		0
#define SYSREG_ASID_SIZE		8
#define SYSREG_TLBEHI_I_OFFSET		8
#define SYSREG_TLBEHI_I_SIZE		1
#define SYSREG_TLBEHI_V_OFFSET		9
#define SYSREG_TLBEHI_V_SIZE		1
#define SYSREG_VPN_OFFSET		10
#define SYSREG_VPN_SIZE			22

/* Bitfields in TLBELO */
#define SYSREG_W_OFFSET			0
#define SYSREG_W_SIZE			1
#define SYSREG_TLBELO_D_OFFSET		1
#define SYSREG_TLBELO_D_SIZE		1
#define SYSREG_SZ_OFFSET		2
#define SYSREG_SZ_SIZE			2
#define SYSREG_AP_OFFSET		4
#define SYSREG_AP_SIZE			3
#define SYSREG_B_OFFSET			7
#define SYSREG_B_SIZE			1
#define SYSREG_G_OFFSET			8
#define SYSREG_G_SIZE			1
#define SYSREG_TLBELO_C_OFFSET		9
#define SYSREG_TLBELO_C_SIZE		1
#define SYSREG_PFN_OFFSET		10
#define SYSREG_PFN_SIZE			22

/* Bitfields in MMUCR */
#define SYSREG_E_OFFSET			0
#define SYSREG_E_SIZE			1
#define SYSREG_M_OFFSET			1
#define SYSREG_M_SIZE			1
#define SYSREG_MMUCR_I_OFFSET		2
#define SYSREG_MMUCR_I_SIZE		1
#define SYSREG_MMUCR_N_OFFSET		3
#define SYSREG_MMUCR_N_SIZE		1
#define SYSREG_MMUCR_S_OFFSET		4
#define SYSREG_MMUCR_S_SIZE		1
#define SYSREG_DLA_OFFSET		8
#define SYSREG_DLA_SIZE			6
#define SYSREG_DRP_OFFSET		14
#define SYSREG_DRP_SIZE			6
#define SYSREG_ILA_OFFSET		20
#define SYSREG_ILA_SIZE			6
#define SYSREG_IRP_OFFSET		26
#define SYSREG_IRP_SIZE			6

/* Bitfields in PCCR */
#define SYSREG_PCCR_R_OFFSET		1
#define SYSREG_PCCR_R_SIZE		1
#define SYSREG_PCCR_C_OFFSET		2
#define SYSREG_PCCR_C_SIZE		1
#define SYSREG_PCCR_S_OFFSET		3
#define SYSREG_PCCR_S_SIZE		1
#define SYSREG_IEC_OFFSET		4
#define SYSREG_IEC_SIZE			1
#define SYSREG_IE0_OFFSET		5
#define SYSREG_IE0_SIZE			1
#define SYSREG_IE1_OFFSET		6
#define SYSREG_IE1_SIZE			1
#define SYSREG_FC_OFFSET		8
#define SYSREG_FC_SIZE			1
#define SYSREG_F0_OFFSET		9
#define SYSREG_F0_SIZE			1
#define SYSREG_F1_OFFSET		10
#define SYSREG_F1_SIZE			1
#define SYSREG_CONF0_OFFSET		12
#define SYSREG_CONF0_SIZE		6
#define SYSREG_CONF1_OFFSET		18
#define SYSREG_CONF1_SIZE		6

/* Constants for ECR */
#define ECR_UNRECOVERABLE		0
#define ECR_TLB_MULTIPLE		1
#define ECR_BUS_ERROR_WRITE		2
#define ECR_BUS_ERROR_READ		3
#define ECR_NMI				4
#define ECR_ADDR_ALIGN_X		5
#define ECR_PROTECTION_X		6
#define ECR_DEBUG			7
#define ECR_ILLEGAL_OPCODE		8
#define ECR_UNIMPL_INSTRUCTION		9
#define ECR_PRIVILEGE_VIOLATION		10
#define ECR_FPE				11
#define ECR_COPROC_ABSENT		12
#define ECR_ADDR_ALIGN_R		13
#define ECR_ADDR_ALIGN_W		14
#define ECR_PROTECTION_R		15
#define ECR_PROTECTION_W		16
#define ECR_DTLB_MODIFIED		17
#define ECR_TLB_MISS_X			20
#define ECR_TLB_MISS_R			24
#define ECR_TLB_MISS_W			28

/* Bit manipulation macros */
#define SYSREG_BIT(name)		(1 << SYSREG_##name##_OFFSET)
#define SYSREG_BF(name,value)				\
	(((value) & ((1 << SYSREG_##name##_SIZE) - 1))	\
	 << SYSREG_##name##_OFFSET)
#define SYSREG_BFEXT(name,value)			\
	(((value) >> SYSREG_##name##_OFFSET)		\
	 & ((1 << SYSREG_##name##_SIZE) - 1))
#define SYSREG_BFINS(name,value,old)			\
	(((old) & ~(((1 << SYSREG_##name##_SIZE) - 1)	\
		    << SYSREG_##name##_OFFSET))		\
	 | SYSREG_BF(name,value))

/* Register access macros */
#define sysreg_read(reg)				\
	((unsigned long)__builtin_mfsr(SYSREG_##reg))
#define sysreg_write(reg, value)			\
	__builtin_mtsr(SYSREG_##reg, value)

#endif /* __ASM_AVR32_SYSREG_H__ */
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