diff options
Diffstat (limited to 'hw/intc/xlnx-pmu-iomod-intc.c')
| -rw-r--r-- | hw/intc/xlnx-pmu-iomod-intc.c | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/hw/intc/xlnx-pmu-iomod-intc.c b/hw/intc/xlnx-pmu-iomod-intc.c new file mode 100644 index 000000000..acaa1c3e6 --- /dev/null +++ b/hw/intc/xlnx-pmu-iomod-intc.c @@ -0,0 +1,558 @@ +/* + * QEMU model of Xilinx I/O Module Interrupt Controller + * + * Copyright (c) 2013 Xilinx Inc + * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com> + * Written by Alistair Francis <alistair.francis@xilinx.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "migration/vmstate.h" +#include "hw/register.h" +#include "qemu/bitops.h" +#include "qemu/log.h" +#include "qemu/module.h" +#include "hw/intc/xlnx-pmu-iomod-intc.h" +#include "hw/irq.h" +#include "hw/qdev-properties.h" + +#ifndef XLNX_PMU_IO_INTC_ERR_DEBUG +#define XLNX_PMU_IO_INTC_ERR_DEBUG 0 +#endif + +#define DB_PRINT_L(lvl, fmt, args...) do {\ + if (XLNX_PMU_IO_INTC_ERR_DEBUG >= lvl) {\ + qemu_log(TYPE_XLNX_PMU_IO_INTC ": %s:" fmt, __func__, ## args);\ + } \ +} while (0) + +#define DB_PRINT(fmt, args...) DB_PRINT_L(1, fmt, ## args) + +REG32(IRQ_MODE, 0xc) +REG32(GPO0, 0x10) + FIELD(GPO0, MAGIC_WORD_1, 24, 8) + FIELD(GPO0, MAGIC_WORD_2, 16, 8) + FIELD(GPO0, FT_INJECT_FAILURE, 13, 3) + FIELD(GPO0, DISABLE_RST_FTSM, 12, 1) + FIELD(GPO0, RST_FTSM, 11, 1) + FIELD(GPO0, CLR_FTSTS, 10, 1) + FIELD(GPO0, RST_ON_SLEEP, 9, 1) + FIELD(GPO0, DISABLE_TRACE_COMP, 8, 1) + FIELD(GPO0, PIT3_PRESCALE, 7, 1) + FIELD(GPO0, PIT2_PRESCALE, 5, 2) + FIELD(GPO0, PIT1_PRESCALE, 3, 2) + FIELD(GPO0, PIT0_PRESCALE, 1, 2) + FIELD(GPO0, DEBUG_REMAP, 0, 1) +REG32(GPO1, 0x14) + FIELD(GPO1, MIO_5, 5, 1) + FIELD(GPO1, MIO_4, 4, 1) + FIELD(GPO1, MIO_3, 3, 1) + FIELD(GPO1, MIO_2, 2, 1) + FIELD(GPO1, MIO_1, 1, 1) + FIELD(GPO1, MIO_0, 0, 1) +REG32(GPO2, 0x18) + FIELD(GPO2, DAP_RPU_WAKE_ACK, 9, 1) + FIELD(GPO2, DAP_FP_WAKE_ACK, 8, 1) + FIELD(GPO2, PS_STATUS, 7, 1) + FIELD(GPO2, PCAP_EN, 6, 1) +REG32(GPO3, 0x1c) + FIELD(GPO3, PL_GPO_31, 31, 1) + FIELD(GPO3, PL_GPO_30, 30, 1) + FIELD(GPO3, PL_GPO_29, 29, 1) + FIELD(GPO3, PL_GPO_28, 28, 1) + FIELD(GPO3, PL_GPO_27, 27, 1) + FIELD(GPO3, PL_GPO_26, 26, 1) + FIELD(GPO3, PL_GPO_25, 25, 1) + FIELD(GPO3, PL_GPO_24, 24, 1) + FIELD(GPO3, PL_GPO_23, 23, 1) + FIELD(GPO3, PL_GPO_22, 22, 1) + FIELD(GPO3, PL_GPO_21, 21, 1) + FIELD(GPO3, PL_GPO_20, 20, 1) + FIELD(GPO3, PL_GPO_19, 19, 1) + FIELD(GPO3, PL_GPO_18, 18, 1) + FIELD(GPO3, PL_GPO_17, 17, 1) + FIELD(GPO3, PL_GPO_16, 16, 1) + FIELD(GPO3, PL_GPO_15, 15, 1) + FIELD(GPO3, PL_GPO_14, 14, 1) + FIELD(GPO3, PL_GPO_13, 13, 1) + FIELD(GPO3, PL_GPO_12, 12, 1) + FIELD(GPO3, PL_GPO_11, 11, 1) + FIELD(GPO3, PL_GPO_10, 10, 1) + FIELD(GPO3, PL_GPO_9, 9, 1) + FIELD(GPO3, PL_GPO_8, 8, 1) + FIELD(GPO3, PL_GPO_7, 7, 1) + FIELD(GPO3, PL_GPO_6, 6, 1) + FIELD(GPO3, PL_GPO_5, 5, 1) + FIELD(GPO3, PL_GPO_4, 4, 1) + FIELD(GPO3, PL_GPO_3, 3, 1) + FIELD(GPO3, PL_GPO_2, 2, 1) + FIELD(GPO3, PL_GPO_1, 1, 1) + FIELD(GPO3, PL_GPO_0, 0, 1) +REG32(GPI0, 0x20) + FIELD(GPI0, RFT_ECC_FATAL_ERR, 31, 1) + FIELD(GPI0, RFT_VOTER_ERR, 30, 1) + FIELD(GPI0, RFT_COMPARE_ERR_23, 29, 1) + FIELD(GPI0, RFT_COMPARE_ERR_13, 28, 1) + FIELD(GPI0, RFT_COMPARE_ERR_12, 27, 1) + FIELD(GPI0, RFT_LS_MISMATCH_23_B, 26, 1) + FIELD(GPI0, RFT_LS_MISMATCH_13_B, 25, 1) + FIELD(GPI0, RFT_LS_MISMATCH_12_B, 24, 1) + FIELD(GPI0, RFT_MISMATCH_STATE, 23, 1) + FIELD(GPI0, RFT_MISMATCH_CPU, 22, 1) + FIELD(GPI0, RFT_SLEEP_RESET, 19, 1) + FIELD(GPI0, RFT_LS_MISMATCH_23_A, 18, 1) + FIELD(GPI0, RFT_LS_MISMATCH_13_A, 17, 1) + FIELD(GPI0, RFT_LS_MISMATCH_12_A, 16, 1) + FIELD(GPI0, NFT_ECC_FATAL_ERR, 15, 1) + FIELD(GPI0, NFT_VOTER_ERR, 14, 1) + FIELD(GPI0, NFT_COMPARE_ERR_23, 13, 1) + FIELD(GPI0, NFT_COMPARE_ERR_13, 12, 1) + FIELD(GPI0, NFT_COMPARE_ERR_12, 11, 1) + FIELD(GPI0, NFT_LS_MISMATCH_23_B, 10, 1) + FIELD(GPI0, NFT_LS_MISMATCH_13_B, 9, 1) + FIELD(GPI0, NFT_LS_MISMATCH_12_B, 8, 1) + FIELD(GPI0, NFT_MISMATCH_STATE, 7, 1) + FIELD(GPI0, NFT_MISMATCH_CPU, 6, 1) + FIELD(GPI0, NFT_SLEEP_RESET, 3, 1) + FIELD(GPI0, NFT_LS_MISMATCH_23_A, 2, 1) + FIELD(GPI0, NFT_LS_MISMATCH_13_A, 1, 1) + FIELD(GPI0, NFT_LS_MISMATCH_12_A, 0, 1) +REG32(GPI1, 0x24) + FIELD(GPI1, APB_AIB_ERROR, 31, 1) + FIELD(GPI1, AXI_AIB_ERROR, 30, 1) + FIELD(GPI1, ERROR_2, 29, 1) + FIELD(GPI1, ERROR_1, 28, 1) + FIELD(GPI1, ACPU_3_DBG_PWRUP, 23, 1) + FIELD(GPI1, ACPU_2_DBG_PWRUP, 22, 1) + FIELD(GPI1, ACPU_1_DBG_PWRUP, 21, 1) + FIELD(GPI1, ACPU_0_DBG_PWRUP, 20, 1) + FIELD(GPI1, FPD_WAKE_GIC_PROXY, 16, 1) + FIELD(GPI1, MIO_WAKE_5, 15, 1) + FIELD(GPI1, MIO_WAKE_4, 14, 1) + FIELD(GPI1, MIO_WAKE_3, 13, 1) + FIELD(GPI1, MIO_WAKE_2, 12, 1) + FIELD(GPI1, MIO_WAKE_1, 11, 1) + FIELD(GPI1, MIO_WAKE_0, 10, 1) + FIELD(GPI1, DAP_RPU_WAKE, 9, 1) + FIELD(GPI1, DAP_FPD_WAKE, 8, 1) + FIELD(GPI1, USB_1_WAKE, 7, 1) + FIELD(GPI1, USB_0_WAKE, 6, 1) + FIELD(GPI1, R5_1_WAKE, 5, 1) + FIELD(GPI1, R5_0_WAKE, 4, 1) + FIELD(GPI1, ACPU_3_WAKE, 3, 1) + FIELD(GPI1, ACPU_2_WAKE, 2, 1) + FIELD(GPI1, ACPU_1_WAKE, 1, 1) + FIELD(GPI1, ACPU_0_WAKE, 0, 1) +REG32(GPI2, 0x28) + FIELD(GPI2, VCC_INT_FP_DISCONNECT, 31, 1) + FIELD(GPI2, VCC_INT_DISCONNECT, 30, 1) + FIELD(GPI2, VCC_AUX_DISCONNECT, 29, 1) + FIELD(GPI2, DBG_ACPU3_RST_REQ, 23, 1) + FIELD(GPI2, DBG_ACPU2_RST_REQ, 22, 1) + FIELD(GPI2, DBG_ACPU1_RST_REQ, 21, 1) + FIELD(GPI2, DBG_ACPU0_RST_REQ, 20, 1) + FIELD(GPI2, CP_ACPU3_RST_REQ, 19, 1) + FIELD(GPI2, CP_ACPU2_RST_REQ, 18, 1) + FIELD(GPI2, CP_ACPU1_RST_REQ, 17, 1) + FIELD(GPI2, CP_ACPU0_RST_REQ, 16, 1) + FIELD(GPI2, DBG_RCPU1_RST_REQ, 9, 1) + FIELD(GPI2, DBG_RCPU0_RST_REQ, 8, 1) + FIELD(GPI2, R5_1_SLEEP, 5, 1) + FIELD(GPI2, R5_0_SLEEP, 4, 1) + FIELD(GPI2, ACPU_3_SLEEP, 3, 1) + FIELD(GPI2, ACPU_2_SLEEP, 2, 1) + FIELD(GPI2, ACPU_1_SLEEP, 1, 1) + FIELD(GPI2, ACPU_0_SLEEP, 0, 1) +REG32(GPI3, 0x2c) + FIELD(GPI3, PL_GPI_31, 31, 1) + FIELD(GPI3, PL_GPI_30, 30, 1) + FIELD(GPI3, PL_GPI_29, 29, 1) + FIELD(GPI3, PL_GPI_28, 28, 1) + FIELD(GPI3, PL_GPI_27, 27, 1) + FIELD(GPI3, PL_GPI_26, 26, 1) + FIELD(GPI3, PL_GPI_25, 25, 1) + FIELD(GPI3, PL_GPI_24, 24, 1) + FIELD(GPI3, PL_GPI_23, 23, 1) + FIELD(GPI3, PL_GPI_22, 22, 1) + FIELD(GPI3, PL_GPI_21, 21, 1) + FIELD(GPI3, PL_GPI_20, 20, 1) + FIELD(GPI3, PL_GPI_19, 19, 1) + FIELD(GPI3, PL_GPI_18, 18, 1) + FIELD(GPI3, PL_GPI_17, 17, 1) + FIELD(GPI3, PL_GPI_16, 16, 1) + FIELD(GPI3, PL_GPI_15, 15, 1) + FIELD(GPI3, PL_GPI_14, 14, 1) + FIELD(GPI3, PL_GPI_13, 13, 1) + FIELD(GPI3, PL_GPI_12, 12, 1) + FIELD(GPI3, PL_GPI_11, 11, 1) + FIELD(GPI3, PL_GPI_10, 10, 1) + FIELD(GPI3, PL_GPI_9, 9, 1) + FIELD(GPI3, PL_GPI_8, 8, 1) + FIELD(GPI3, PL_GPI_7, 7, 1) + FIELD(GPI3, PL_GPI_6, 6, 1) + FIELD(GPI3, PL_GPI_5, 5, 1) + FIELD(GPI3, PL_GPI_4, 4, 1) + FIELD(GPI3, PL_GPI_3, 3, 1) + FIELD(GPI3, PL_GPI_2, 2, 1) + FIELD(GPI3, PL_GPI_1, 1, 1) + FIELD(GPI3, PL_GPI_0, 0, 1) +REG32(IRQ_STATUS, 0x30) + FIELD(IRQ_STATUS, CSU_PMU_SEC_LOCK, 31, 1) + FIELD(IRQ_STATUS, INV_ADDR, 29, 1) + FIELD(IRQ_STATUS, PWR_DN_REQ, 28, 1) + FIELD(IRQ_STATUS, PWR_UP_REQ, 27, 1) + FIELD(IRQ_STATUS, SW_RST_REQ, 26, 1) + FIELD(IRQ_STATUS, HW_RST_REQ, 25, 1) + FIELD(IRQ_STATUS, ISO_REQ, 24, 1) + FIELD(IRQ_STATUS, FW_REQ, 23, 1) + FIELD(IRQ_STATUS, IPI3, 22, 1) + FIELD(IRQ_STATUS, IPI2, 21, 1) + FIELD(IRQ_STATUS, IPI1, 20, 1) + FIELD(IRQ_STATUS, IPI0, 19, 1) + FIELD(IRQ_STATUS, RTC_ALARM, 18, 1) + FIELD(IRQ_STATUS, RTC_EVERY_SECOND, 17, 1) + FIELD(IRQ_STATUS, CORRECTABLE_ECC, 16, 1) + FIELD(IRQ_STATUS, GPI3, 14, 1) + FIELD(IRQ_STATUS, GPI2, 13, 1) + FIELD(IRQ_STATUS, GPI1, 12, 1) + FIELD(IRQ_STATUS, GPI0, 11, 1) + FIELD(IRQ_STATUS, PIT3, 6, 1) + FIELD(IRQ_STATUS, PIT2, 5, 1) + FIELD(IRQ_STATUS, PIT1, 4, 1) + FIELD(IRQ_STATUS, PIT0, 3, 1) +REG32(IRQ_PENDING, 0x34) + FIELD(IRQ_PENDING, CSU_PMU_SEC_LOCK, 31, 1) + FIELD(IRQ_PENDING, INV_ADDR, 29, 1) + FIELD(IRQ_PENDING, PWR_DN_REQ, 28, 1) + FIELD(IRQ_PENDING, PWR_UP_REQ, 27, 1) + FIELD(IRQ_PENDING, SW_RST_REQ, 26, 1) + FIELD(IRQ_PENDING, HW_RST_REQ, 25, 1) + FIELD(IRQ_PENDING, ISO_REQ, 24, 1) + FIELD(IRQ_PENDING, FW_REQ, 23, 1) + FIELD(IRQ_PENDING, IPI3, 22, 1) + FIELD(IRQ_PENDING, IPI2, 21, 1) + FIELD(IRQ_PENDING, IPI1, 20, 1) + FIELD(IRQ_PENDING, IPI0, 19, 1) + FIELD(IRQ_PENDING, RTC_ALARM, 18, 1) + FIELD(IRQ_PENDING, RTC_EVERY_SECOND, 17, 1) + FIELD(IRQ_PENDING, CORRECTABLE_ECC, 16, 1) + FIELD(IRQ_PENDING, GPI3, 14, 1) + FIELD(IRQ_PENDING, GPI2, 13, 1) + FIELD(IRQ_PENDING, GPI1, 12, 1) + FIELD(IRQ_PENDING, GPI0, 11, 1) + FIELD(IRQ_PENDING, PIT3, 6, 1) + FIELD(IRQ_PENDING, PIT2, 5, 1) + FIELD(IRQ_PENDING, PIT1, 4, 1) + FIELD(IRQ_PENDING, PIT0, 3, 1) +REG32(IRQ_ENABLE, 0x38) + FIELD(IRQ_ENABLE, CSU_PMU_SEC_LOCK, 31, 1) + FIELD(IRQ_ENABLE, INV_ADDR, 29, 1) + FIELD(IRQ_ENABLE, PWR_DN_REQ, 28, 1) + FIELD(IRQ_ENABLE, PWR_UP_REQ, 27, 1) + FIELD(IRQ_ENABLE, SW_RST_REQ, 26, 1) + FIELD(IRQ_ENABLE, HW_RST_REQ, 25, 1) + FIELD(IRQ_ENABLE, ISO_REQ, 24, 1) + FIELD(IRQ_ENABLE, FW_REQ, 23, 1) + FIELD(IRQ_ENABLE, IPI3, 22, 1) + FIELD(IRQ_ENABLE, IPI2, 21, 1) + FIELD(IRQ_ENABLE, IPI1, 20, 1) + FIELD(IRQ_ENABLE, IPI0, 19, 1) + FIELD(IRQ_ENABLE, RTC_ALARM, 18, 1) + FIELD(IRQ_ENABLE, RTC_EVERY_SECOND, 17, 1) + FIELD(IRQ_ENABLE, CORRECTABLE_ECC, 16, 1) + FIELD(IRQ_ENABLE, GPI3, 14, 1) + FIELD(IRQ_ENABLE, GPI2, 13, 1) + FIELD(IRQ_ENABLE, GPI1, 12, 1) + FIELD(IRQ_ENABLE, GPI0, 11, 1) + FIELD(IRQ_ENABLE, PIT3, 6, 1) + FIELD(IRQ_ENABLE, PIT2, 5, 1) + FIELD(IRQ_ENABLE, PIT1, 4, 1) + FIELD(IRQ_ENABLE, PIT0, 3, 1) +REG32(IRQ_ACK, 0x3c) + FIELD(IRQ_ACK, CSU_PMU_SEC_LOCK, 31, 1) + FIELD(IRQ_ACK, INV_ADDR, 29, 1) + FIELD(IRQ_ACK, PWR_DN_REQ, 28, 1) + FIELD(IRQ_ACK, PWR_UP_REQ, 27, 1) + FIELD(IRQ_ACK, SW_RST_REQ, 26, 1) + FIELD(IRQ_ACK, HW_RST_REQ, 25, 1) + FIELD(IRQ_ACK, ISO_REQ, 24, 1) + FIELD(IRQ_ACK, FW_REQ, 23, 1) + FIELD(IRQ_ACK, IPI3, 22, 1) + FIELD(IRQ_ACK, IPI2, 21, 1) + FIELD(IRQ_ACK, IPI1, 20, 1) + FIELD(IRQ_ACK, IPI0, 19, 1) + FIELD(IRQ_ACK, RTC_ALARM, 18, 1) + FIELD(IRQ_ACK, RTC_EVERY_SECOND, 17, 1) + FIELD(IRQ_ACK, CORRECTABLE_ECC, 16, 1) + FIELD(IRQ_ACK, GPI3, 14, 1) + FIELD(IRQ_ACK, GPI2, 13, 1) + FIELD(IRQ_ACK, GPI1, 12, 1) + FIELD(IRQ_ACK, GPI0, 11, 1) + FIELD(IRQ_ACK, PIT3, 6, 1) + FIELD(IRQ_ACK, PIT2, 5, 1) + FIELD(IRQ_ACK, PIT1, 4, 1) + FIELD(IRQ_ACK, PIT0, 3, 1) +REG32(PIT0_PRELOAD, 0x40) +REG32(PIT0_COUNTER, 0x44) +REG32(PIT0_CONTROL, 0x48) + FIELD(PIT0_CONTROL, PRELOAD, 1, 1) + FIELD(PIT0_CONTROL, EN, 0, 1) +REG32(PIT1_PRELOAD, 0x50) +REG32(PIT1_COUNTER, 0x54) +REG32(PIT1_CONTROL, 0x58) + FIELD(PIT1_CONTROL, PRELOAD, 1, 1) + FIELD(PIT1_CONTROL, EN, 0, 1) +REG32(PIT2_PRELOAD, 0x60) +REG32(PIT2_COUNTER, 0x64) +REG32(PIT2_CONTROL, 0x68) + FIELD(PIT2_CONTROL, PRELOAD, 1, 1) + FIELD(PIT2_CONTROL, EN, 0, 1) +REG32(PIT3_PRELOAD, 0x70) +REG32(PIT3_COUNTER, 0x74) +REG32(PIT3_CONTROL, 0x78) + FIELD(PIT3_CONTROL, PRELOAD, 1, 1) + FIELD(PIT3_CONTROL, EN, 0, 1) + +static void xlnx_pmu_io_irq_update(XlnxPMUIOIntc *s) +{ + bool irq_out; + + s->regs[R_IRQ_PENDING] = s->regs[R_IRQ_STATUS] & s->regs[R_IRQ_ENABLE]; + irq_out = !!s->regs[R_IRQ_PENDING]; + + DB_PRINT("Setting IRQ output = %d\n", irq_out); + + qemu_set_irq(s->parent_irq, irq_out); +} + +static void xlnx_pmu_io_irq_enable_postw(RegisterInfo *reg, uint64_t val64) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(reg->opaque); + + xlnx_pmu_io_irq_update(s); +} + +static void xlnx_pmu_io_irq_ack_postw(RegisterInfo *reg, uint64_t val64) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(reg->opaque); + uint32_t val = val64; + + /* Only clear */ + val &= s->regs[R_IRQ_STATUS]; + s->regs[R_IRQ_STATUS] ^= val; + + /* Active level triggered interrupts stay high. */ + s->regs[R_IRQ_STATUS] |= s->irq_raw & ~s->cfg.level_edge; + + xlnx_pmu_io_irq_update(s); +} + +static const RegisterAccessInfo xlnx_pmu_io_intc_regs_info[] = { + { .name = "IRQ_MODE", .addr = A_IRQ_MODE, + .rsvd = 0xffffffff, + },{ .name = "GPO0", .addr = A_GPO0, + },{ .name = "GPO1", .addr = A_GPO1, + .rsvd = 0xffffffc0, + },{ .name = "GPO2", .addr = A_GPO2, + .rsvd = 0xfffffc3f, + },{ .name = "GPO3", .addr = A_GPO3, + },{ .name = "GPI0", .addr = A_GPI0, + .rsvd = 0x300030, + .ro = 0xffcfffcf, + },{ .name = "GPI1", .addr = A_GPI1, + .rsvd = 0xf0e0000, + .ro = 0xf0f1ffff, + },{ .name = "GPI2", .addr = A_GPI2, + .rsvd = 0x1f00fcc0, + .ro = 0xe0ff033f, + },{ .name = "GPI3", .addr = A_GPI3, + .ro = 0xffffffff, + },{ .name = "IRQ_STATUS", .addr = A_IRQ_STATUS, + .rsvd = 0x40008787, + .ro = 0xbfff7878, + },{ .name = "IRQ_PENDING", .addr = A_IRQ_PENDING, + .rsvd = 0x40008787, + .ro = 0xdfff7ff8, + },{ .name = "IRQ_ENABLE", .addr = A_IRQ_ENABLE, + .rsvd = 0x40008787, + .ro = 0x7800, + .post_write = xlnx_pmu_io_irq_enable_postw, + },{ .name = "IRQ_ACK", .addr = A_IRQ_ACK, + .rsvd = 0x40008787, + .post_write = xlnx_pmu_io_irq_ack_postw, + },{ .name = "PIT0_PRELOAD", .addr = A_PIT0_PRELOAD, + .ro = 0xffffffff, + },{ .name = "PIT0_COUNTER", .addr = A_PIT0_COUNTER, + .ro = 0xffffffff, + },{ .name = "PIT0_CONTROL", .addr = A_PIT0_CONTROL, + .rsvd = 0xfffffffc, + },{ .name = "PIT1_PRELOAD", .addr = A_PIT1_PRELOAD, + .ro = 0xffffffff, + },{ .name = "PIT1_COUNTER", .addr = A_PIT1_COUNTER, + .ro = 0xffffffff, + },{ .name = "PIT1_CONTROL", .addr = A_PIT1_CONTROL, + .rsvd = 0xfffffffc, + },{ .name = "PIT2_PRELOAD", .addr = A_PIT2_PRELOAD, + .ro = 0xffffffff, + },{ .name = "PIT2_COUNTER", .addr = A_PIT2_COUNTER, + .ro = 0xffffffff, + },{ .name = "PIT2_CONTROL", .addr = A_PIT2_CONTROL, + .rsvd = 0xfffffffc, + },{ .name = "PIT3_PRELOAD", .addr = A_PIT3_PRELOAD, + .ro = 0xffffffff, + },{ .name = "PIT3_COUNTER", .addr = A_PIT3_COUNTER, + .ro = 0xffffffff, + },{ .name = "PIT3_CONTROL", .addr = A_PIT3_CONTROL, + .rsvd = 0xfffffffc, + } +}; + +static void irq_handler(void *opaque, int irq, int level) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(opaque); + uint32_t mask = 1 << irq; + uint32_t prev = s->irq_raw; + uint32_t temp; + + s->irq_raw &= ~mask; + s->irq_raw |= (!!level) << irq; + + /* Turn active-low into active-high. */ + s->irq_raw ^= (~s->cfg.positive); + s->irq_raw &= mask; + + if (s->cfg.level_edge & mask) { + /* Edge triggered. */ + temp = (prev ^ s->irq_raw) & s->irq_raw; + } else { + /* Level triggered. */ + temp = s->irq_raw; + } + s->regs[R_IRQ_STATUS] |= temp; + + xlnx_pmu_io_irq_update(s); +} + +static void xlnx_pmu_io_intc_reset(DeviceState *dev) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(dev); + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) { + register_reset(&s->regs_info[i]); + } + + xlnx_pmu_io_irq_update(s); +} + +static const MemoryRegionOps xlnx_pmu_io_intc_ops = { + .read = register_read_memory, + .write = register_write_memory, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static Property xlnx_pmu_io_intc_properties[] = { + DEFINE_PROP_UINT32("intc-intr-size", XlnxPMUIOIntc, cfg.intr_size, 0), + DEFINE_PROP_UINT32("intc-level-edge", XlnxPMUIOIntc, cfg.level_edge, 0), + DEFINE_PROP_UINT32("intc-positive", XlnxPMUIOIntc, cfg.positive, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void xlnx_pmu_io_intc_realize(DeviceState *dev, Error **errp) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(dev); + + /* Internal interrupts are edge triggered */ + s->cfg.level_edge <<= 16; + s->cfg.level_edge |= 0xffff; + + /* Internal interrupts are positive. */ + s->cfg.positive <<= 16; + s->cfg.positive |= 0xffff; + + /* Max 16 external interrupts. */ + assert(s->cfg.intr_size <= 16); + + qdev_init_gpio_in(dev, irq_handler, 16 + s->cfg.intr_size); +} + +static void xlnx_pmu_io_intc_init(Object *obj) +{ + XlnxPMUIOIntc *s = XLNX_PMU_IO_INTC(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + RegisterInfoArray *reg_array; + + memory_region_init(&s->iomem, obj, TYPE_XLNX_PMU_IO_INTC, + XLNXPMUIOINTC_R_MAX * 4); + reg_array = + register_init_block32(DEVICE(obj), xlnx_pmu_io_intc_regs_info, + ARRAY_SIZE(xlnx_pmu_io_intc_regs_info), + s->regs_info, s->regs, + &xlnx_pmu_io_intc_ops, + XLNX_PMU_IO_INTC_ERR_DEBUG, + XLNXPMUIOINTC_R_MAX * 4); + memory_region_add_subregion(&s->iomem, + 0x0, + ®_array->mem); + sysbus_init_mmio(sbd, &s->iomem); + + sysbus_init_irq(sbd, &s->parent_irq); +} + +static const VMStateDescription vmstate_xlnx_pmu_io_intc = { + .name = TYPE_XLNX_PMU_IO_INTC, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(regs, XlnxPMUIOIntc, XLNXPMUIOINTC_R_MAX), + VMSTATE_END_OF_LIST(), + } +}; + +static void xlnx_pmu_io_intc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = xlnx_pmu_io_intc_reset; + dc->realize = xlnx_pmu_io_intc_realize; + dc->vmsd = &vmstate_xlnx_pmu_io_intc; + device_class_set_props(dc, xlnx_pmu_io_intc_properties); +} + +static const TypeInfo xlnx_pmu_io_intc_info = { + .name = TYPE_XLNX_PMU_IO_INTC, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(XlnxPMUIOIntc), + .class_init = xlnx_pmu_io_intc_class_init, + .instance_init = xlnx_pmu_io_intc_init, +}; + +static void xlnx_pmu_io_intc_register_types(void) +{ + type_register_static(&xlnx_pmu_io_intc_info); +} + +type_init(xlnx_pmu_io_intc_register_types) |