Add AVR32 architecture support
Patch by Haavard Skinnemoen, 6 Sep 2006 16:23:02 +0200
This patch adds common infrastructure code for the Atmel AVR32
architecture. See doc/README.AVR32 for details.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/include/asm-avr32/sysreg.h b/include/asm-avr32/sysreg.h
new file mode 100644
index 0000000..72ad49e
--- /dev/null
+++ b/include/asm-avr32/sysreg.h
@@ -0,0 +1,279 @@
+/*
+ * 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) __builtin_mfsr(SYSREG_##reg)
+#define sysreg_write(reg, value) __builtin_mtsr(SYSREG_##reg, value)
+
+#endif /* __ASM_AVR32_SYSREG_H__ */