From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
Add a model of the Xilinx ZynqMP CRF. At the moment this
is mostly a stub model.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
include/hw/misc/xlnx-zynqmp-crf.h | 209 +++++++++++++++++++++++
hw/misc/xlnx-zynqmp-crf.c | 270 ++++++++++++++++++++++++++++++
hw/misc/meson.build | 1 +
3 files changed, 480 insertions(+)
create mode 100644 include/hw/misc/xlnx-zynqmp-crf.h
create mode 100644 hw/misc/xlnx-zynqmp-crf.c
diff --git a/include/hw/misc/xlnx-zynqmp-crf.h b/include/hw/misc/xlnx-zynqmp-crf.h
new file mode 100644
index 0000000000..b173ea4a08
--- /dev/null
+++ b/include/hw/misc/xlnx-zynqmp-crf.h
@@ -0,0 +1,209 @@
+/*
+ * QEMU model of the CRF - Clock Reset FPD.
+ *
+ * Copyright (c) 2022 Xilinx Inc.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
+ */
+
+#include "hw/sysbus.h"
+#include "hw/register.h"
+
+#define TYPE_XLNX_ZYNQMP_CRF "xlnx.zynqmp_crf"
+
+#define XILINX_CRF(obj) \
+ OBJECT_CHECK(XlnxZynqMPCRF, (obj), TYPE_XLNX_ZYNQMP_CRF)
+
+REG32(ERR_CTRL, 0x0)
+ FIELD(ERR_CTRL, SLVERR_ENABLE, 0, 1)
+REG32(IR_STATUS, 0x4)
+ FIELD(IR_STATUS, ADDR_DECODE_ERR, 0, 1)
+REG32(IR_MASK, 0x8)
+ FIELD(IR_MASK, ADDR_DECODE_ERR, 0, 1)
+REG32(IR_ENABLE, 0xc)
+ FIELD(IR_ENABLE, ADDR_DECODE_ERR, 0, 1)
+REG32(IR_DISABLE, 0x10)
+ FIELD(IR_DISABLE, ADDR_DECODE_ERR, 0, 1)
+REG32(CRF_WPROT, 0x1c)
+ FIELD(CRF_WPROT, ACTIVE, 0, 1)
+REG32(APLL_CTRL, 0x20)
+ FIELD(APLL_CTRL, POST_SRC, 24, 3)
+ FIELD(APLL_CTRL, PRE_SRC, 20, 3)
+ FIELD(APLL_CTRL, CLKOUTDIV, 17, 1)
+ FIELD(APLL_CTRL, DIV2, 16, 1)
+ FIELD(APLL_CTRL, FBDIV, 8, 7)
+ FIELD(APLL_CTRL, BYPASS, 3, 1)
+ FIELD(APLL_CTRL, RESET, 0, 1)
+REG32(APLL_CFG, 0x24)
+ FIELD(APLL_CFG, LOCK_DLY, 25, 7)
+ FIELD(APLL_CFG, LOCK_CNT, 13, 10)
+ FIELD(APLL_CFG, LFHF, 10, 2)
+ FIELD(APLL_CFG, CP, 5, 4)
+ FIELD(APLL_CFG, RES, 0, 4)
+REG32(APLL_FRAC_CFG, 0x28)
+ FIELD(APLL_FRAC_CFG, ENABLED, 31, 1)
+ FIELD(APLL_FRAC_CFG, SEED, 22, 3)
+ FIELD(APLL_FRAC_CFG, ALGRTHM, 19, 1)
+ FIELD(APLL_FRAC_CFG, ORDER, 18, 1)
+ FIELD(APLL_FRAC_CFG, DATA, 0, 16)
+REG32(DPLL_CTRL, 0x2c)
+ FIELD(DPLL_CTRL, POST_SRC, 24, 3)
+ FIELD(DPLL_CTRL, PRE_SRC, 20, 3)
+ FIELD(DPLL_CTRL, CLKOUTDIV, 17, 1)
+ FIELD(DPLL_CTRL, DIV2, 16, 1)
+ FIELD(DPLL_CTRL, FBDIV, 8, 7)
+ FIELD(DPLL_CTRL, BYPASS, 3, 1)
+ FIELD(DPLL_CTRL, RESET, 0, 1)
+REG32(DPLL_CFG, 0x30)
+ FIELD(DPLL_CFG, LOCK_DLY, 25, 7)
+ FIELD(DPLL_CFG, LOCK_CNT, 13, 10)
+ FIELD(DPLL_CFG, LFHF, 10, 2)
+ FIELD(DPLL_CFG, CP, 5, 4)
+ FIELD(DPLL_CFG, RES, 0, 4)
+REG32(DPLL_FRAC_CFG, 0x34)
+ FIELD(DPLL_FRAC_CFG, ENABLED, 31, 1)
+ FIELD(DPLL_FRAC_CFG, SEED, 22, 3)
+ FIELD(DPLL_FRAC_CFG, ALGRTHM, 19, 1)
+ FIELD(DPLL_FRAC_CFG, ORDER, 18, 1)
+ FIELD(DPLL_FRAC_CFG, DATA, 0, 16)
+REG32(VPLL_CTRL, 0x38)
+ FIELD(VPLL_CTRL, POST_SRC, 24, 3)
+ FIELD(VPLL_CTRL, PRE_SRC, 20, 3)
+ FIELD(VPLL_CTRL, CLKOUTDIV, 17, 1)
+ FIELD(VPLL_CTRL, DIV2, 16, 1)
+ FIELD(VPLL_CTRL, FBDIV, 8, 7)
+ FIELD(VPLL_CTRL, BYPASS, 3, 1)
+ FIELD(VPLL_CTRL, RESET, 0, 1)
+REG32(VPLL_CFG, 0x3c)
+ FIELD(VPLL_CFG, LOCK_DLY, 25, 7)
+ FIELD(VPLL_CFG, LOCK_CNT, 13, 10)
+ FIELD(VPLL_CFG, LFHF, 10, 2)
+ FIELD(VPLL_CFG, CP, 5, 4)
+ FIELD(VPLL_CFG, RES, 0, 4)
+REG32(VPLL_FRAC_CFG, 0x40)
+ FIELD(VPLL_FRAC_CFG, ENABLED, 31, 1)
+ FIELD(VPLL_FRAC_CFG, SEED, 22, 3)
+ FIELD(VPLL_FRAC_CFG, ALGRTHM, 19, 1)
+ FIELD(VPLL_FRAC_CFG, ORDER, 18, 1)
+ FIELD(VPLL_FRAC_CFG, DATA, 0, 16)
+REG32(PLL_STATUS, 0x44)
+ FIELD(PLL_STATUS, VPLL_STABLE, 5, 1)
+ FIELD(PLL_STATUS, DPLL_STABLE, 4, 1)
+ FIELD(PLL_STATUS, APLL_STABLE, 3, 1)
+ FIELD(PLL_STATUS, VPLL_LOCK, 2, 1)
+ FIELD(PLL_STATUS, DPLL_LOCK, 1, 1)
+ FIELD(PLL_STATUS, APLL_LOCK, 0, 1)
+REG32(APLL_TO_LPD_CTRL, 0x48)
+ FIELD(APLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
+REG32(DPLL_TO_LPD_CTRL, 0x4c)
+ FIELD(DPLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
+REG32(VPLL_TO_LPD_CTRL, 0x50)
+ FIELD(VPLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
+REG32(ACPU_CTRL, 0x60)
+ FIELD(ACPU_CTRL, CLKACT_HALF, 25, 1)
+ FIELD(ACPU_CTRL, CLKACT_FULL, 24, 1)
+ FIELD(ACPU_CTRL, DIVISOR0, 8, 6)
+ FIELD(ACPU_CTRL, SRCSEL, 0, 3)
+REG32(DBG_TRACE_CTRL, 0x64)
+ FIELD(DBG_TRACE_CTRL, CLKACT, 24, 1)
+ FIELD(DBG_TRACE_CTRL, DIVISOR0, 8, 6)
+ FIELD(DBG_TRACE_CTRL, SRCSEL, 0, 3)
+REG32(DBG_FPD_CTRL, 0x68)
+ FIELD(DBG_FPD_CTRL, CLKACT, 24, 1)
+ FIELD(DBG_FPD_CTRL, DIVISOR0, 8, 6)
+ FIELD(DBG_FPD_CTRL, SRCSEL, 0, 3)
+REG32(DP_VIDEO_REF_CTRL, 0x70)
+ FIELD(DP_VIDEO_REF_CTRL, CLKACT, 24, 1)
+ FIELD(DP_VIDEO_REF_CTRL, DIVISOR1, 16, 6)
+ FIELD(DP_VIDEO_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(DP_VIDEO_REF_CTRL, SRCSEL, 0, 3)
+REG32(DP_AUDIO_REF_CTRL, 0x74)
+ FIELD(DP_AUDIO_REF_CTRL, CLKACT, 24, 1)
+ FIELD(DP_AUDIO_REF_CTRL, DIVISOR1, 16, 6)
+ FIELD(DP_AUDIO_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(DP_AUDIO_REF_CTRL, SRCSEL, 0, 3)
+REG32(DP_STC_REF_CTRL, 0x7c)
+ FIELD(DP_STC_REF_CTRL, CLKACT, 24, 1)
+ FIELD(DP_STC_REF_CTRL, DIVISOR1, 16, 6)
+ FIELD(DP_STC_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(DP_STC_REF_CTRL, SRCSEL, 0, 3)
+REG32(DDR_CTRL, 0x80)
+ FIELD(DDR_CTRL, CLKACT, 24, 1)
+ FIELD(DDR_CTRL, DIVISOR0, 8, 6)
+ FIELD(DDR_CTRL, SRCSEL, 0, 3)
+REG32(GPU_REF_CTRL, 0x84)
+ FIELD(GPU_REF_CTRL, PP1_CLKACT, 26, 1)
+ FIELD(GPU_REF_CTRL, PP0_CLKACT, 25, 1)
+ FIELD(GPU_REF_CTRL, CLKACT, 24, 1)
+ FIELD(GPU_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(GPU_REF_CTRL, SRCSEL, 0, 3)
+REG32(SATA_REF_CTRL, 0xa0)
+ FIELD(SATA_REF_CTRL, CLKACT, 24, 1)
+ FIELD(SATA_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(SATA_REF_CTRL, SRCSEL, 0, 3)
+REG32(PCIE_REF_CTRL, 0xb4)
+ FIELD(PCIE_REF_CTRL, CLKACT, 24, 1)
+ FIELD(PCIE_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(PCIE_REF_CTRL, SRCSEL, 0, 3)
+REG32(GDMA_REF_CTRL, 0xb8)
+ FIELD(GDMA_REF_CTRL, CLKACT, 24, 1)
+ FIELD(GDMA_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(GDMA_REF_CTRL, SRCSEL, 0, 3)
+REG32(DPDMA_REF_CTRL, 0xbc)
+ FIELD(DPDMA_REF_CTRL, CLKACT, 24, 1)
+ FIELD(DPDMA_REF_CTRL, DIVISOR0, 8, 6)
+ FIELD(DPDMA_REF_CTRL, SRCSEL, 0, 3)
+REG32(TOPSW_MAIN_CTRL, 0xc0)
+ FIELD(TOPSW_MAIN_CTRL, CLKACT, 24, 1)
+ FIELD(TOPSW_MAIN_CTRL, DIVISOR0, 8, 6)
+ FIELD(TOPSW_MAIN_CTRL, SRCSEL, 0, 3)
+REG32(TOPSW_LSBUS_CTRL, 0xc4)
+ FIELD(TOPSW_LSBUS_CTRL, CLKACT, 24, 1)
+ FIELD(TOPSW_LSBUS_CTRL, DIVISOR0, 8, 6)
+ FIELD(TOPSW_LSBUS_CTRL, SRCSEL, 0, 3)
+REG32(DBG_TSTMP_CTRL, 0xf8)
+ FIELD(DBG_TSTMP_CTRL, DIVISOR0, 8, 6)
+ FIELD(DBG_TSTMP_CTRL, SRCSEL, 0, 3)
+REG32(RST_FPD_TOP, 0x100)
+ FIELD(RST_FPD_TOP, PCIE_CFG_RESET, 19, 1)
+ FIELD(RST_FPD_TOP, PCIE_BRIDGE_RESET, 18, 1)
+ FIELD(RST_FPD_TOP, PCIE_CTRL_RESET, 17, 1)
+ FIELD(RST_FPD_TOP, DP_RESET, 16, 1)
+ FIELD(RST_FPD_TOP, SWDT_RESET, 15, 1)
+ FIELD(RST_FPD_TOP, AFI_FM5_RESET, 12, 1)
+ FIELD(RST_FPD_TOP, AFI_FM4_RESET, 11, 1)
+ FIELD(RST_FPD_TOP, AFI_FM3_RESET, 10, 1)
+ FIELD(RST_FPD_TOP, AFI_FM2_RESET, 9, 1)
+ FIELD(RST_FPD_TOP, AFI_FM1_RESET, 8, 1)
+ FIELD(RST_FPD_TOP, AFI_FM0_RESET, 7, 1)
+ FIELD(RST_FPD_TOP, GDMA_RESET, 6, 1)
+ FIELD(RST_FPD_TOP, GPU_PP1_RESET, 5, 1)
+ FIELD(RST_FPD_TOP, GPU_PP0_RESET, 4, 1)
+ FIELD(RST_FPD_TOP, GPU_RESET, 3, 1)
+ FIELD(RST_FPD_TOP, GT_RESET, 2, 1)
+ FIELD(RST_FPD_TOP, SATA_RESET, 1, 1)
+REG32(RST_FPD_APU, 0x104)
+ FIELD(RST_FPD_APU, ACPU3_PWRON_RESET, 13, 1)
+ FIELD(RST_FPD_APU, ACPU2_PWRON_RESET, 12, 1)
+ FIELD(RST_FPD_APU, ACPU1_PWRON_RESET, 11, 1)
+ FIELD(RST_FPD_APU, ACPU0_PWRON_RESET, 10, 1)
+ FIELD(RST_FPD_APU, APU_L2_RESET, 8, 1)
+ FIELD(RST_FPD_APU, ACPU3_RESET, 3, 1)
+ FIELD(RST_FPD_APU, ACPU2_RESET, 2, 1)
+ FIELD(RST_FPD_APU, ACPU1_RESET, 1, 1)
+ FIELD(RST_FPD_APU, ACPU0_RESET, 0, 1)
+REG32(RST_DDR_SS, 0x108)
+ FIELD(RST_DDR_SS, DDR_RESET, 3, 1)
+ FIELD(RST_DDR_SS, APM_RESET, 2, 1)
+
+#define CRF_R_MAX (R_RST_DDR_SS + 1)
+
+typedef struct XlnxZynqMPCRF {
+ SysBusDevice parent_obj;
+ MemoryRegion iomem;
+ qemu_irq irq_ir;
+
+ RegisterInfoArray *reg_array;
+ uint32_t regs[CRF_R_MAX];
+ RegisterInfo regs_info[CRF_R_MAX];
+} XlnxZynqMPCRF;
diff --git a/hw/misc/xlnx-zynqmp-crf.c b/hw/misc/xlnx-zynqmp-crf.c
new file mode 100644
index 0000000000..7b3a955a42
--- /dev/null
+++ b/hw/misc/xlnx-zynqmp-crf.c
@@ -0,0 +1,270 @@
+/*
+ * QEMU model of the CRF - Clock Reset FPD.
+ *
+ * Copyright (c) 2022 Xilinx Inc.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
+ */
+
+#include "qemu/osdep.h"
+#include "hw/sysbus.h"
+#include "hw/register.h"
+#include "qemu/bitops.h"
+#include "qemu/log.h"
+#include "migration/vmstate.h"
+#include "hw/irq.h"
+#include "hw/misc/xlnx-zynqmp-crf.h"
+#include "target/arm/arm-powerctl.h"
+
+#ifndef XILINX_CRF_ERR_DEBUG
+#define XILINX_CRF_ERR_DEBUG 1
+#endif
+
+#define APU_MAX_CPU 4
+
+static void ir_update_irq(XlnxZynqMPCRF *s)
+{
+ bool pending = s->regs[R_IR_STATUS] & ~s->regs[R_IR_MASK];
+ qemu_set_irq(s->irq_ir, pending);
+}
+
+static void ir_status_postw(RegisterInfo *reg, uint64_t val64)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
+ ir_update_irq(s);
+}
+
+static uint64_t ir_enable_prew(RegisterInfo *reg, uint64_t val64)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
+ uint32_t val = val64;
+
+ s->regs[R_IR_MASK] &= ~val;
+ ir_update_irq(s);
+ return 0;
+}
+
+static uint64_t ir_disable_prew(RegisterInfo *reg, uint64_t val64)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
+ uint32_t val = val64;
+
+ s->regs[R_IR_MASK] |= val;
+ ir_update_irq(s);
+ return 0;
+}
+
+static uint64_t rst_fpd_apu_prew(RegisterInfo *reg, uint64_t val64)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
+ uint32_t val = val64;
+ uint32_t val_old = s->regs[R_RST_FPD_APU];
+ unsigned int i;
+
+ for (i = 0; i < APU_MAX_CPU; i++) {
+ uint32_t mask = (1 << (R_RST_FPD_APU_ACPU0_RESET_SHIFT + i));
+
+ if ((val ^ val_old) & mask) {
+ if (val & mask) {
+ arm_set_cpu_off(i);
+ } else {
+ arm_set_cpu_on_and_reset(i);
+ }
+ }
+ }
+ return val64;
+}
+
+static const RegisterAccessInfo crf_regs_info[] = {
+ { .name = "ERR_CTRL", .addr = A_ERR_CTRL,
+ },{ .name = "IR_STATUS", .addr = A_IR_STATUS,
+ .w1c = 0x1,
+ .post_write = ir_status_postw,
+ },{ .name = "IR_MASK", .addr = A_IR_MASK,
+ .reset = 0x1,
+ .ro = 0x1,
+ },{ .name = "IR_ENABLE", .addr = A_IR_ENABLE,
+ .pre_write = ir_enable_prew,
+ },{ .name = "IR_DISABLE", .addr = A_IR_DISABLE,
+ .pre_write = ir_disable_prew,
+ },{ .name = "CRF_WPROT", .addr = A_CRF_WPROT,
+ },{ .name = "APLL_CTRL", .addr = A_APLL_CTRL,
+ .reset = 0x12c09,
+ .rsvd = 0xf88c80f6,
+ },{ .name = "APLL_CFG", .addr = A_APLL_CFG,
+ .rsvd = 0x1801210,
+ },{ .name = "APLL_FRAC_CFG", .addr = A_APLL_FRAC_CFG,
+ .rsvd = 0x7e330000,
+ },{ .name = "DPLL_CTRL", .addr = A_DPLL_CTRL,
+ .reset = 0x2c09,
+ .rsvd = 0xf88c80f6,
+ },{ .name = "DPLL_CFG", .addr = A_DPLL_CFG,
+ .rsvd = 0x1801210,
+ },{ .name = "DPLL_FRAC_CFG", .addr = A_DPLL_FRAC_CFG,
+ .rsvd = 0x7e330000,
+ },{ .name = "VPLL_CTRL", .addr = A_VPLL_CTRL,
+ .reset = 0x12809,
+ .rsvd = 0xf88c80f6,
+ },{ .name = "VPLL_CFG", .addr = A_VPLL_CFG,
+ .rsvd = 0x1801210,
+ },{ .name = "VPLL_FRAC_CFG", .addr = A_VPLL_FRAC_CFG,
+ .rsvd = 0x7e330000,
+ },{ .name = "PLL_STATUS", .addr = A_PLL_STATUS,
+ .reset = 0x3f,
+ .rsvd = 0xc0,
+ .ro = 0x3f,
+ },{ .name = "APLL_TO_LPD_CTRL", .addr = A_APLL_TO_LPD_CTRL,
+ .reset = 0x400,
+ .rsvd = 0xc0ff,
+ },{ .name = "DPLL_TO_LPD_CTRL", .addr = A_DPLL_TO_LPD_CTRL,
+ .reset = 0x400,
+ .rsvd = 0xc0ff,
+ },{ .name = "VPLL_TO_LPD_CTRL", .addr = A_VPLL_TO_LPD_CTRL,
+ .reset = 0x400,
+ .rsvd = 0xc0ff,
+ },{ .name = "ACPU_CTRL", .addr = A_ACPU_CTRL,
+ .reset = 0x3000400,
+ .rsvd = 0xfcffc0f8,
+ },{ .name = "DBG_TRACE_CTRL", .addr = A_DBG_TRACE_CTRL,
+ .reset = 0x2500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "DBG_FPD_CTRL", .addr = A_DBG_FPD_CTRL,
+ .reset = 0x1002500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "DP_VIDEO_REF_CTRL", .addr = A_DP_VIDEO_REF_CTRL,
+ .reset = 0x1002300,
+ .rsvd = 0xfec0c0f8,
+ },{ .name = "DP_AUDIO_REF_CTRL", .addr = A_DP_AUDIO_REF_CTRL,
+ .reset = 0x1032300,
+ .rsvd = 0xfec0c0f8,
+ },{ .name = "DP_STC_REF_CTRL", .addr = A_DP_STC_REF_CTRL,
+ .reset = 0x1203200,
+ .rsvd = 0xfec0c0f8,
+ },{ .name = "DDR_CTRL", .addr = A_DDR_CTRL,
+ .reset = 0x1000500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "GPU_REF_CTRL", .addr = A_GPU_REF_CTRL,
+ .reset = 0x1500,
+ .rsvd = 0xf8ffc0f8,
+ },{ .name = "SATA_REF_CTRL", .addr = A_SATA_REF_CTRL,
+ .reset = 0x1001600,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "PCIE_REF_CTRL", .addr = A_PCIE_REF_CTRL,
+ .reset = 0x1500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "GDMA_REF_CTRL", .addr = A_GDMA_REF_CTRL,
+ .reset = 0x1000500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "DPDMA_REF_CTRL", .addr = A_DPDMA_REF_CTRL,
+ .reset = 0x1000500,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "TOPSW_MAIN_CTRL", .addr = A_TOPSW_MAIN_CTRL,
+ .reset = 0x1000400,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "TOPSW_LSBUS_CTRL", .addr = A_TOPSW_LSBUS_CTRL,
+ .reset = 0x1000800,
+ .rsvd = 0xfeffc0f8,
+ },{ .name = "DBG_TSTMP_CTRL", .addr = A_DBG_TSTMP_CTRL,
+ .reset = 0xa00,
+ .rsvd = 0xffffc0f8,
+ },
+ { .name = "RST_FPD_TOP", .addr = A_RST_FPD_TOP,
+ .reset = 0xf9ffe,
+ .rsvd = 0xf06001,
+ },{ .name = "RST_FPD_APU", .addr = A_RST_FPD_APU,
+ .reset = 0x3d0f,
+ .rsvd = 0xc2f0,
+ .pre_write = rst_fpd_apu_prew,
+ },{ .name = "RST_DDR_SS", .addr = A_RST_DDR_SS,
+ .reset = 0xf,
+ .rsvd = 0xf3,
+ }
+};
+
+static void crf_reset_enter(Object *obj, ResetType type)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(obj);
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
+ register_reset(&s->regs_info[i]);
+ }
+}
+
+static void crf_reset_hold(Object *obj)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(obj);
+ ir_update_irq(s);
+}
+
+static const MemoryRegionOps crf_ops = {
+ .read = register_read_memory,
+ .write = register_write_memory,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+static void crf_init(Object *obj)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+ s->reg_array =
+ register_init_block32(DEVICE(obj), crf_regs_info,
+ ARRAY_SIZE(crf_regs_info),
+ s->regs_info, s->regs,
+ &crf_ops,
+ XILINX_CRF_ERR_DEBUG,
+ CRF_R_MAX * 4);
+ sysbus_init_mmio(sbd, &s->reg_array->mem);
+ sysbus_init_irq(sbd, &s->irq_ir);
+}
+
+static void crf_finalize(Object *obj)
+{
+ XlnxZynqMPCRF *s = XILINX_CRF(obj);
+ register_finalize_block(s->reg_array);
+}
+
+static const VMStateDescription vmstate_crf = {
+ .name = TYPE_XLNX_ZYNQMP_CRF,
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(regs, XlnxZynqMPCRF, CRF_R_MAX),
+ VMSTATE_END_OF_LIST(),
+ }
+};
+
+static void crf_class_init(ObjectClass *klass, void *data)
+{
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->vmsd = &vmstate_crf;
+ rc->phases.enter = crf_reset_enter;
+ rc->phases.hold = crf_reset_hold;
+}
+
+static const TypeInfo crf_info = {
+ .name = TYPE_XLNX_ZYNQMP_CRF,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(XlnxZynqMPCRF),
+ .class_init = crf_class_init,
+ .instance_init = crf_init,
+ .instance_finalize = crf_finalize,
+ .interfaces = (InterfaceInfo[]) {
+ { }
+ },
+};
+
+static void crf_register_types(void)
+{
+ type_register_static(&crf_info);
+}
+
+type_init(crf_register_types)
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 6dcbe044f3..1927f13a5e 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -84,6 +84,7 @@ softmmu_ss.add(when: 'CONFIG_RASPI', if_true: files(
))
softmmu_ss.add(when: 'CONFIG_SLAVIO', if_true: files('slavio_misc.c'))
softmmu_ss.add(when: 'CONFIG_ZYNQ', if_true: files('zynq_slcr.c'))
+specific_ss.add(when: 'CONFIG_XLNX_ZYNQMP_ARM', if_true: files('xlnx-zynqmp-crf.c'))
softmmu_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files(
'xlnx-versal-xramc.c',
'xlnx-versal-pmc-iou-slcr.c',
--
2.25.1
On 31/1/22 00:12, Edgar E. Iglesias wrote: > From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com> > > Add a model of the Xilinx ZynqMP CRF. At the moment this > is mostly a stub model. > > Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> > --- > include/hw/misc/xlnx-zynqmp-crf.h | 209 +++++++++++++++++++++++ > hw/misc/xlnx-zynqmp-crf.c | 270 ++++++++++++++++++++++++++++++ > hw/misc/meson.build | 1 + > 3 files changed, 480 insertions(+) > create mode 100644 include/hw/misc/xlnx-zynqmp-crf.h > create mode 100644 hw/misc/xlnx-zynqmp-crf.c Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Hi Edgar,
A couple of minor comments below, looks good to me otherwise!
On Mon, Jan 31, 2022 at 12:12:03AM +0100, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
>
> Add a model of the Xilinx ZynqMP CRF. At the moment this
> is mostly a stub model.
>
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> ---
> include/hw/misc/xlnx-zynqmp-crf.h | 209 +++++++++++++++++++++++
> hw/misc/xlnx-zynqmp-crf.c | 270 ++++++++++++++++++++++++++++++
> hw/misc/meson.build | 1 +
> 3 files changed, 480 insertions(+)
> create mode 100644 include/hw/misc/xlnx-zynqmp-crf.h
> create mode 100644 hw/misc/xlnx-zynqmp-crf.c
>
> diff --git a/include/hw/misc/xlnx-zynqmp-crf.h b/include/hw/misc/xlnx-zynqmp-crf.h
> new file mode 100644
> index 0000000000..b173ea4a08
> --- /dev/null
> +++ b/include/hw/misc/xlnx-zynqmp-crf.h
> @@ -0,0 +1,209 @@
> +/*
> + * QEMU model of the CRF - Clock Reset FPD.
> + *
> + * Copyright (c) 2022 Xilinx Inc.
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> + */
> +
Include guard seem to be missing:
#ifndef XLNX_ZYNQMP_CRF_H
#define XLNX_ZYNQMP_CRF_H
> +#include "hw/sysbus.h"
> +#include "hw/register.h"
> +
> +#define TYPE_XLNX_ZYNQMP_CRF "xlnx.zynqmp_crf"
> +
> +#define XILINX_CRF(obj) \
> + OBJECT_CHECK(XlnxZynqMPCRF, (obj), TYPE_XLNX_ZYNQMP_CRF)
> +
> +REG32(ERR_CTRL, 0x0)
(Optional but in case the these ones wont be used outside
xlnx-zynqmp-crf.c we could consider placing them there).
> + FIELD(ERR_CTRL, SLVERR_ENABLE, 0, 1)
> +REG32(IR_STATUS, 0x4)
> + FIELD(IR_STATUS, ADDR_DECODE_ERR, 0, 1)
> +REG32(IR_MASK, 0x8)
> + FIELD(IR_MASK, ADDR_DECODE_ERR, 0, 1)
> +REG32(IR_ENABLE, 0xc)
> + FIELD(IR_ENABLE, ADDR_DECODE_ERR, 0, 1)
> +REG32(IR_DISABLE, 0x10)
> + FIELD(IR_DISABLE, ADDR_DECODE_ERR, 0, 1)
> +REG32(CRF_WPROT, 0x1c)
> + FIELD(CRF_WPROT, ACTIVE, 0, 1)
> +REG32(APLL_CTRL, 0x20)
> + FIELD(APLL_CTRL, POST_SRC, 24, 3)
> + FIELD(APLL_CTRL, PRE_SRC, 20, 3)
> + FIELD(APLL_CTRL, CLKOUTDIV, 17, 1)
> + FIELD(APLL_CTRL, DIV2, 16, 1)
> + FIELD(APLL_CTRL, FBDIV, 8, 7)
> + FIELD(APLL_CTRL, BYPASS, 3, 1)
> + FIELD(APLL_CTRL, RESET, 0, 1)
> +REG32(APLL_CFG, 0x24)
> + FIELD(APLL_CFG, LOCK_DLY, 25, 7)
> + FIELD(APLL_CFG, LOCK_CNT, 13, 10)
> + FIELD(APLL_CFG, LFHF, 10, 2)
> + FIELD(APLL_CFG, CP, 5, 4)
> + FIELD(APLL_CFG, RES, 0, 4)
> +REG32(APLL_FRAC_CFG, 0x28)
> + FIELD(APLL_FRAC_CFG, ENABLED, 31, 1)
> + FIELD(APLL_FRAC_CFG, SEED, 22, 3)
> + FIELD(APLL_FRAC_CFG, ALGRTHM, 19, 1)
> + FIELD(APLL_FRAC_CFG, ORDER, 18, 1)
> + FIELD(APLL_FRAC_CFG, DATA, 0, 16)
> +REG32(DPLL_CTRL, 0x2c)
> + FIELD(DPLL_CTRL, POST_SRC, 24, 3)
> + FIELD(DPLL_CTRL, PRE_SRC, 20, 3)
> + FIELD(DPLL_CTRL, CLKOUTDIV, 17, 1)
> + FIELD(DPLL_CTRL, DIV2, 16, 1)
> + FIELD(DPLL_CTRL, FBDIV, 8, 7)
> + FIELD(DPLL_CTRL, BYPASS, 3, 1)
> + FIELD(DPLL_CTRL, RESET, 0, 1)
> +REG32(DPLL_CFG, 0x30)
> + FIELD(DPLL_CFG, LOCK_DLY, 25, 7)
> + FIELD(DPLL_CFG, LOCK_CNT, 13, 10)
> + FIELD(DPLL_CFG, LFHF, 10, 2)
> + FIELD(DPLL_CFG, CP, 5, 4)
> + FIELD(DPLL_CFG, RES, 0, 4)
> +REG32(DPLL_FRAC_CFG, 0x34)
> + FIELD(DPLL_FRAC_CFG, ENABLED, 31, 1)
> + FIELD(DPLL_FRAC_CFG, SEED, 22, 3)
> + FIELD(DPLL_FRAC_CFG, ALGRTHM, 19, 1)
> + FIELD(DPLL_FRAC_CFG, ORDER, 18, 1)
> + FIELD(DPLL_FRAC_CFG, DATA, 0, 16)
> +REG32(VPLL_CTRL, 0x38)
> + FIELD(VPLL_CTRL, POST_SRC, 24, 3)
> + FIELD(VPLL_CTRL, PRE_SRC, 20, 3)
> + FIELD(VPLL_CTRL, CLKOUTDIV, 17, 1)
> + FIELD(VPLL_CTRL, DIV2, 16, 1)
> + FIELD(VPLL_CTRL, FBDIV, 8, 7)
> + FIELD(VPLL_CTRL, BYPASS, 3, 1)
> + FIELD(VPLL_CTRL, RESET, 0, 1)
> +REG32(VPLL_CFG, 0x3c)
> + FIELD(VPLL_CFG, LOCK_DLY, 25, 7)
> + FIELD(VPLL_CFG, LOCK_CNT, 13, 10)
> + FIELD(VPLL_CFG, LFHF, 10, 2)
> + FIELD(VPLL_CFG, CP, 5, 4)
> + FIELD(VPLL_CFG, RES, 0, 4)
> +REG32(VPLL_FRAC_CFG, 0x40)
> + FIELD(VPLL_FRAC_CFG, ENABLED, 31, 1)
> + FIELD(VPLL_FRAC_CFG, SEED, 22, 3)
> + FIELD(VPLL_FRAC_CFG, ALGRTHM, 19, 1)
> + FIELD(VPLL_FRAC_CFG, ORDER, 18, 1)
> + FIELD(VPLL_FRAC_CFG, DATA, 0, 16)
> +REG32(PLL_STATUS, 0x44)
> + FIELD(PLL_STATUS, VPLL_STABLE, 5, 1)
> + FIELD(PLL_STATUS, DPLL_STABLE, 4, 1)
> + FIELD(PLL_STATUS, APLL_STABLE, 3, 1)
> + FIELD(PLL_STATUS, VPLL_LOCK, 2, 1)
> + FIELD(PLL_STATUS, DPLL_LOCK, 1, 1)
> + FIELD(PLL_STATUS, APLL_LOCK, 0, 1)
> +REG32(APLL_TO_LPD_CTRL, 0x48)
> + FIELD(APLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
> +REG32(DPLL_TO_LPD_CTRL, 0x4c)
> + FIELD(DPLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
> +REG32(VPLL_TO_LPD_CTRL, 0x50)
> + FIELD(VPLL_TO_LPD_CTRL, DIVISOR0, 8, 6)
> +REG32(ACPU_CTRL, 0x60)
> + FIELD(ACPU_CTRL, CLKACT_HALF, 25, 1)
> + FIELD(ACPU_CTRL, CLKACT_FULL, 24, 1)
> + FIELD(ACPU_CTRL, DIVISOR0, 8, 6)
> + FIELD(ACPU_CTRL, SRCSEL, 0, 3)
> +REG32(DBG_TRACE_CTRL, 0x64)
> + FIELD(DBG_TRACE_CTRL, CLKACT, 24, 1)
> + FIELD(DBG_TRACE_CTRL, DIVISOR0, 8, 6)
> + FIELD(DBG_TRACE_CTRL, SRCSEL, 0, 3)
> +REG32(DBG_FPD_CTRL, 0x68)
> + FIELD(DBG_FPD_CTRL, CLKACT, 24, 1)
> + FIELD(DBG_FPD_CTRL, DIVISOR0, 8, 6)
> + FIELD(DBG_FPD_CTRL, SRCSEL, 0, 3)
> +REG32(DP_VIDEO_REF_CTRL, 0x70)
> + FIELD(DP_VIDEO_REF_CTRL, CLKACT, 24, 1)
> + FIELD(DP_VIDEO_REF_CTRL, DIVISOR1, 16, 6)
> + FIELD(DP_VIDEO_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(DP_VIDEO_REF_CTRL, SRCSEL, 0, 3)
> +REG32(DP_AUDIO_REF_CTRL, 0x74)
> + FIELD(DP_AUDIO_REF_CTRL, CLKACT, 24, 1)
> + FIELD(DP_AUDIO_REF_CTRL, DIVISOR1, 16, 6)
> + FIELD(DP_AUDIO_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(DP_AUDIO_REF_CTRL, SRCSEL, 0, 3)
> +REG32(DP_STC_REF_CTRL, 0x7c)
> + FIELD(DP_STC_REF_CTRL, CLKACT, 24, 1)
> + FIELD(DP_STC_REF_CTRL, DIVISOR1, 16, 6)
> + FIELD(DP_STC_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(DP_STC_REF_CTRL, SRCSEL, 0, 3)
> +REG32(DDR_CTRL, 0x80)
> + FIELD(DDR_CTRL, CLKACT, 24, 1)
> + FIELD(DDR_CTRL, DIVISOR0, 8, 6)
> + FIELD(DDR_CTRL, SRCSEL, 0, 3)
> +REG32(GPU_REF_CTRL, 0x84)
> + FIELD(GPU_REF_CTRL, PP1_CLKACT, 26, 1)
> + FIELD(GPU_REF_CTRL, PP0_CLKACT, 25, 1)
> + FIELD(GPU_REF_CTRL, CLKACT, 24, 1)
> + FIELD(GPU_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(GPU_REF_CTRL, SRCSEL, 0, 3)
> +REG32(SATA_REF_CTRL, 0xa0)
> + FIELD(SATA_REF_CTRL, CLKACT, 24, 1)
> + FIELD(SATA_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(SATA_REF_CTRL, SRCSEL, 0, 3)
> +REG32(PCIE_REF_CTRL, 0xb4)
> + FIELD(PCIE_REF_CTRL, CLKACT, 24, 1)
> + FIELD(PCIE_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(PCIE_REF_CTRL, SRCSEL, 0, 3)
> +REG32(GDMA_REF_CTRL, 0xb8)
> + FIELD(GDMA_REF_CTRL, CLKACT, 24, 1)
> + FIELD(GDMA_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(GDMA_REF_CTRL, SRCSEL, 0, 3)
> +REG32(DPDMA_REF_CTRL, 0xbc)
> + FIELD(DPDMA_REF_CTRL, CLKACT, 24, 1)
> + FIELD(DPDMA_REF_CTRL, DIVISOR0, 8, 6)
> + FIELD(DPDMA_REF_CTRL, SRCSEL, 0, 3)
> +REG32(TOPSW_MAIN_CTRL, 0xc0)
> + FIELD(TOPSW_MAIN_CTRL, CLKACT, 24, 1)
> + FIELD(TOPSW_MAIN_CTRL, DIVISOR0, 8, 6)
> + FIELD(TOPSW_MAIN_CTRL, SRCSEL, 0, 3)
> +REG32(TOPSW_LSBUS_CTRL, 0xc4)
> + FIELD(TOPSW_LSBUS_CTRL, CLKACT, 24, 1)
> + FIELD(TOPSW_LSBUS_CTRL, DIVISOR0, 8, 6)
> + FIELD(TOPSW_LSBUS_CTRL, SRCSEL, 0, 3)
> +REG32(DBG_TSTMP_CTRL, 0xf8)
> + FIELD(DBG_TSTMP_CTRL, DIVISOR0, 8, 6)
> + FIELD(DBG_TSTMP_CTRL, SRCSEL, 0, 3)
> +REG32(RST_FPD_TOP, 0x100)
> + FIELD(RST_FPD_TOP, PCIE_CFG_RESET, 19, 1)
> + FIELD(RST_FPD_TOP, PCIE_BRIDGE_RESET, 18, 1)
> + FIELD(RST_FPD_TOP, PCIE_CTRL_RESET, 17, 1)
> + FIELD(RST_FPD_TOP, DP_RESET, 16, 1)
> + FIELD(RST_FPD_TOP, SWDT_RESET, 15, 1)
> + FIELD(RST_FPD_TOP, AFI_FM5_RESET, 12, 1)
> + FIELD(RST_FPD_TOP, AFI_FM4_RESET, 11, 1)
> + FIELD(RST_FPD_TOP, AFI_FM3_RESET, 10, 1)
> + FIELD(RST_FPD_TOP, AFI_FM2_RESET, 9, 1)
> + FIELD(RST_FPD_TOP, AFI_FM1_RESET, 8, 1)
> + FIELD(RST_FPD_TOP, AFI_FM0_RESET, 7, 1)
> + FIELD(RST_FPD_TOP, GDMA_RESET, 6, 1)
> + FIELD(RST_FPD_TOP, GPU_PP1_RESET, 5, 1)
> + FIELD(RST_FPD_TOP, GPU_PP0_RESET, 4, 1)
> + FIELD(RST_FPD_TOP, GPU_RESET, 3, 1)
> + FIELD(RST_FPD_TOP, GT_RESET, 2, 1)
> + FIELD(RST_FPD_TOP, SATA_RESET, 1, 1)
> +REG32(RST_FPD_APU, 0x104)
> + FIELD(RST_FPD_APU, ACPU3_PWRON_RESET, 13, 1)
> + FIELD(RST_FPD_APU, ACPU2_PWRON_RESET, 12, 1)
> + FIELD(RST_FPD_APU, ACPU1_PWRON_RESET, 11, 1)
> + FIELD(RST_FPD_APU, ACPU0_PWRON_RESET, 10, 1)
> + FIELD(RST_FPD_APU, APU_L2_RESET, 8, 1)
> + FIELD(RST_FPD_APU, ACPU3_RESET, 3, 1)
> + FIELD(RST_FPD_APU, ACPU2_RESET, 2, 1)
> + FIELD(RST_FPD_APU, ACPU1_RESET, 1, 1)
> + FIELD(RST_FPD_APU, ACPU0_RESET, 0, 1)
> +REG32(RST_DDR_SS, 0x108)
> + FIELD(RST_DDR_SS, DDR_RESET, 3, 1)
> + FIELD(RST_DDR_SS, APM_RESET, 2, 1)
> +
> +#define CRF_R_MAX (R_RST_DDR_SS + 1)
> +
> +typedef struct XlnxZynqMPCRF {
> + SysBusDevice parent_obj;
> + MemoryRegion iomem;
> + qemu_irq irq_ir;
> +
> + RegisterInfoArray *reg_array;
> + uint32_t regs[CRF_R_MAX];
> + RegisterInfo regs_info[CRF_R_MAX];
> +} XlnxZynqMPCRF;
> diff --git a/hw/misc/xlnx-zynqmp-crf.c b/hw/misc/xlnx-zynqmp-crf.c
> new file mode 100644
> index 0000000000..7b3a955a42
> --- /dev/null
> +++ b/hw/misc/xlnx-zynqmp-crf.c
> @@ -0,0 +1,270 @@
> +/*
> + * QEMU model of the CRF - Clock Reset FPD.
> + *
> + * Copyright (c) 2022 Xilinx Inc.
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> + */
> +
> +#include "qemu/osdep.h"
> +#include "hw/sysbus.h"
> +#include "hw/register.h"
> +#include "qemu/bitops.h"
> +#include "qemu/log.h"
> +#include "migration/vmstate.h"
> +#include "hw/irq.h"
> +#include "hw/misc/xlnx-zynqmp-crf.h"
> +#include "target/arm/arm-powerctl.h"
> +
> +#ifndef XILINX_CRF_ERR_DEBUG
> +#define XILINX_CRF_ERR_DEBUG 1
> +#endif
> +
> +#define APU_MAX_CPU 4
> +
> +static void ir_update_irq(XlnxZynqMPCRF *s)
> +{
> + bool pending = s->regs[R_IR_STATUS] & ~s->regs[R_IR_MASK];
> + qemu_set_irq(s->irq_ir, pending);
> +}
> +
> +static void ir_status_postw(RegisterInfo *reg, uint64_t val64)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
> + ir_update_irq(s);
> +}
> +
> +static uint64_t ir_enable_prew(RegisterInfo *reg, uint64_t val64)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
> + uint32_t val = val64;
> +
> + s->regs[R_IR_MASK] &= ~val;
> + ir_update_irq(s);
> + return 0;
> +}
> +
> +static uint64_t ir_disable_prew(RegisterInfo *reg, uint64_t val64)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
> + uint32_t val = val64;
> +
> + s->regs[R_IR_MASK] |= val;
> + ir_update_irq(s);
> + return 0;
> +}
> +
> +static uint64_t rst_fpd_apu_prew(RegisterInfo *reg, uint64_t val64)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(reg->opaque);
> + uint32_t val = val64;
> + uint32_t val_old = s->regs[R_RST_FPD_APU];
> + unsigned int i;
> +
> + for (i = 0; i < APU_MAX_CPU; i++) {
> + uint32_t mask = (1 << (R_RST_FPD_APU_ACPU0_RESET_SHIFT + i));
> +
> + if ((val ^ val_old) & mask) {
> + if (val & mask) {
> + arm_set_cpu_off(i);
> + } else {
> + arm_set_cpu_on_and_reset(i);
> + }
> + }
> + }
> + return val64;
> +}
> +
> +static const RegisterAccessInfo crf_regs_info[] = {
> + { .name = "ERR_CTRL", .addr = A_ERR_CTRL,
> + },{ .name = "IR_STATUS", .addr = A_IR_STATUS,
> + .w1c = 0x1,
> + .post_write = ir_status_postw,
> + },{ .name = "IR_MASK", .addr = A_IR_MASK,
> + .reset = 0x1,
> + .ro = 0x1,
> + },{ .name = "IR_ENABLE", .addr = A_IR_ENABLE,
> + .pre_write = ir_enable_prew,
> + },{ .name = "IR_DISABLE", .addr = A_IR_DISABLE,
> + .pre_write = ir_disable_prew,
> + },{ .name = "CRF_WPROT", .addr = A_CRF_WPROT,
> + },{ .name = "APLL_CTRL", .addr = A_APLL_CTRL,
> + .reset = 0x12c09,
> + .rsvd = 0xf88c80f6,
> + },{ .name = "APLL_CFG", .addr = A_APLL_CFG,
> + .rsvd = 0x1801210,
> + },{ .name = "APLL_FRAC_CFG", .addr = A_APLL_FRAC_CFG,
> + .rsvd = 0x7e330000,
> + },{ .name = "DPLL_CTRL", .addr = A_DPLL_CTRL,
> + .reset = 0x2c09,
> + .rsvd = 0xf88c80f6,
> + },{ .name = "DPLL_CFG", .addr = A_DPLL_CFG,
> + .rsvd = 0x1801210,
> + },{ .name = "DPLL_FRAC_CFG", .addr = A_DPLL_FRAC_CFG,
> + .rsvd = 0x7e330000,
> + },{ .name = "VPLL_CTRL", .addr = A_VPLL_CTRL,
> + .reset = 0x12809,
> + .rsvd = 0xf88c80f6,
> + },{ .name = "VPLL_CFG", .addr = A_VPLL_CFG,
> + .rsvd = 0x1801210,
> + },{ .name = "VPLL_FRAC_CFG", .addr = A_VPLL_FRAC_CFG,
> + .rsvd = 0x7e330000,
> + },{ .name = "PLL_STATUS", .addr = A_PLL_STATUS,
> + .reset = 0x3f,
> + .rsvd = 0xc0,
> + .ro = 0x3f,
> + },{ .name = "APLL_TO_LPD_CTRL", .addr = A_APLL_TO_LPD_CTRL,
> + .reset = 0x400,
> + .rsvd = 0xc0ff,
> + },{ .name = "DPLL_TO_LPD_CTRL", .addr = A_DPLL_TO_LPD_CTRL,
> + .reset = 0x400,
> + .rsvd = 0xc0ff,
> + },{ .name = "VPLL_TO_LPD_CTRL", .addr = A_VPLL_TO_LPD_CTRL,
> + .reset = 0x400,
> + .rsvd = 0xc0ff,
> + },{ .name = "ACPU_CTRL", .addr = A_ACPU_CTRL,
> + .reset = 0x3000400,
> + .rsvd = 0xfcffc0f8,
> + },{ .name = "DBG_TRACE_CTRL", .addr = A_DBG_TRACE_CTRL,
> + .reset = 0x2500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "DBG_FPD_CTRL", .addr = A_DBG_FPD_CTRL,
> + .reset = 0x1002500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "DP_VIDEO_REF_CTRL", .addr = A_DP_VIDEO_REF_CTRL,
> + .reset = 0x1002300,
> + .rsvd = 0xfec0c0f8,
> + },{ .name = "DP_AUDIO_REF_CTRL", .addr = A_DP_AUDIO_REF_CTRL,
> + .reset = 0x1032300,
> + .rsvd = 0xfec0c0f8,
> + },{ .name = "DP_STC_REF_CTRL", .addr = A_DP_STC_REF_CTRL,
> + .reset = 0x1203200,
> + .rsvd = 0xfec0c0f8,
> + },{ .name = "DDR_CTRL", .addr = A_DDR_CTRL,
> + .reset = 0x1000500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "GPU_REF_CTRL", .addr = A_GPU_REF_CTRL,
> + .reset = 0x1500,
> + .rsvd = 0xf8ffc0f8,
> + },{ .name = "SATA_REF_CTRL", .addr = A_SATA_REF_CTRL,
> + .reset = 0x1001600,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "PCIE_REF_CTRL", .addr = A_PCIE_REF_CTRL,
> + .reset = 0x1500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "GDMA_REF_CTRL", .addr = A_GDMA_REF_CTRL,
> + .reset = 0x1000500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "DPDMA_REF_CTRL", .addr = A_DPDMA_REF_CTRL,
> + .reset = 0x1000500,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "TOPSW_MAIN_CTRL", .addr = A_TOPSW_MAIN_CTRL,
> + .reset = 0x1000400,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "TOPSW_LSBUS_CTRL", .addr = A_TOPSW_LSBUS_CTRL,
> + .reset = 0x1000800,
> + .rsvd = 0xfeffc0f8,
> + },{ .name = "DBG_TSTMP_CTRL", .addr = A_DBG_TSTMP_CTRL,
> + .reset = 0xa00,
> + .rsvd = 0xffffc0f8,
> + },
> + { .name = "RST_FPD_TOP", .addr = A_RST_FPD_TOP,
> + .reset = 0xf9ffe,
> + .rsvd = 0xf06001,
> + },{ .name = "RST_FPD_APU", .addr = A_RST_FPD_APU,
> + .reset = 0x3d0f,
> + .rsvd = 0xc2f0,
> + .pre_write = rst_fpd_apu_prew,
> + },{ .name = "RST_DDR_SS", .addr = A_RST_DDR_SS,
> + .reset = 0xf,
> + .rsvd = 0xf3,
> + }
> +};
> +
> +static void crf_reset_enter(Object *obj, ResetType type)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(obj);
> + unsigned int i;
> +
> + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
> + register_reset(&s->regs_info[i]);
> + }
> +}
> +
> +static void crf_reset_hold(Object *obj)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(obj);
> + ir_update_irq(s);
> +}
> +
> +static const MemoryRegionOps crf_ops = {
> + .read = register_read_memory,
> + .write = register_write_memory,
> + .endianness = DEVICE_LITTLE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
> + },
> +};
> +
> +static void crf_init(Object *obj)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(obj);
> + SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
> +
> + s->reg_array =
> + register_init_block32(DEVICE(obj), crf_regs_info,
> + ARRAY_SIZE(crf_regs_info),
> + s->regs_info, s->regs,
> + &crf_ops,
> + XILINX_CRF_ERR_DEBUG,
> + CRF_R_MAX * 4);
> + sysbus_init_mmio(sbd, &s->reg_array->mem);
> + sysbus_init_irq(sbd, &s->irq_ir);
> +}
> +
> +static void crf_finalize(Object *obj)
> +{
> + XlnxZynqMPCRF *s = XILINX_CRF(obj);
> + register_finalize_block(s->reg_array);
> +}
> +
> +static const VMStateDescription vmstate_crf = {
> + .name = TYPE_XLNX_ZYNQMP_CRF,
> + .version_id = 1,
> + .minimum_version_id = 1,
> + .minimum_version_id_old = 1,
> + .fields = (VMStateField[]) {
> + VMSTATE_UINT32_ARRAY(regs, XlnxZynqMPCRF, CRF_R_MAX),
> + VMSTATE_END_OF_LIST(),
> + }
> +};
> +
> +static void crf_class_init(ObjectClass *klass, void *data)
> +{
> + ResettableClass *rc = RESETTABLE_CLASS(klass);
> + DeviceClass *dc = DEVICE_CLASS(klass);
> +
> + dc->vmsd = &vmstate_crf;
> + rc->phases.enter = crf_reset_enter;
> + rc->phases.hold = crf_reset_hold;
> +}
> +
> +static const TypeInfo crf_info = {
> + .name = TYPE_XLNX_ZYNQMP_CRF,
> + .parent = TYPE_SYS_BUS_DEVICE,
> + .instance_size = sizeof(XlnxZynqMPCRF),
> + .class_init = crf_class_init,
> + .instance_init = crf_init,
> + .instance_finalize = crf_finalize,
> + .interfaces = (InterfaceInfo[]) {
> + { }
We can remove above 'interfaces'. With above removed and include guards
added:
Reviewed-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Best regards,
Francisco Iglesias
> + },
> +};
> +
> +static void crf_register_types(void)
> +{
> + type_register_static(&crf_info);
> +}
> +
> +type_init(crf_register_types)
> diff --git a/hw/misc/meson.build b/hw/misc/meson.build
> index 6dcbe044f3..1927f13a5e 100644
> --- a/hw/misc/meson.build
> +++ b/hw/misc/meson.build
> @@ -84,6 +84,7 @@ softmmu_ss.add(when: 'CONFIG_RASPI', if_true: files(
> ))
> softmmu_ss.add(when: 'CONFIG_SLAVIO', if_true: files('slavio_misc.c'))
> softmmu_ss.add(when: 'CONFIG_ZYNQ', if_true: files('zynq_slcr.c'))
> +specific_ss.add(when: 'CONFIG_XLNX_ZYNQMP_ARM', if_true: files('xlnx-zynqmp-crf.c'))
> softmmu_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files(
> 'xlnx-versal-xramc.c',
> 'xlnx-versal-pmc-iou-slcr.c',
> --
> 2.25.1
>
On Mon, Jan 31, 2022 at 03:35:57PM +0000, Francisco Iglesias wrote:
> Hi Edgar,
>
> A couple of minor comments below, looks good to me otherwise!
>
> On Mon, Jan 31, 2022 at 12:12:03AM +0100, Edgar E. Iglesias wrote:
> > From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
> >
> > Add a model of the Xilinx ZynqMP CRF. At the moment this
> > is mostly a stub model.
> >
> > Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> > ---
> > include/hw/misc/xlnx-zynqmp-crf.h | 209 +++++++++++++++++++++++
> > hw/misc/xlnx-zynqmp-crf.c | 270 ++++++++++++++++++++++++++++++
> > hw/misc/meson.build | 1 +
> > 3 files changed, 480 insertions(+)
> > create mode 100644 include/hw/misc/xlnx-zynqmp-crf.h
> > create mode 100644 hw/misc/xlnx-zynqmp-crf.c
> >
> > diff --git a/include/hw/misc/xlnx-zynqmp-crf.h b/include/hw/misc/xlnx-zynqmp-crf.h
> > new file mode 100644
> > index 0000000000..b173ea4a08
> > --- /dev/null
> > +++ b/include/hw/misc/xlnx-zynqmp-crf.h
> > @@ -0,0 +1,209 @@
> > +/*
> > + * QEMU model of the CRF - Clock Reset FPD.
> > + *
> > + * Copyright (c) 2022 Xilinx Inc.
> > + * SPDX-License-Identifier: GPL-2.0-or-later
> > + * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> > + */
> > +
>
> Include guard seem to be missing:
>
> #ifndef XLNX_ZYNQMP_CRF_H
> #define XLNX_ZYNQMP_CRF_H
>
>
> > +#include "hw/sysbus.h"
> > +#include "hw/register.h"
> > +
> > +#define TYPE_XLNX_ZYNQMP_CRF "xlnx.zynqmp_crf"
> > +
> > +#define XILINX_CRF(obj) \
> > + OBJECT_CHECK(XlnxZynqMPCRF, (obj), TYPE_XLNX_ZYNQMP_CRF)
> > +
> > +REG32(ERR_CTRL, 0x0)
>
> (Optional but in case the these ones wont be used outside
> xlnx-zynqmp-crf.c we could consider placing them there).
Hi,
Yeah, I thought about that but the issue is with defining:
#define CRF_R_MAX (R_RST_DDR_SS + 1)
We could move these regdefs out and hardcode CRF_R_MAX, e.g:
#define CRF_R_MAX (0x108 / 4)
But that seems error-phrone.
The trade-off is keeping them here and pollute the name-space.
I already to rename one of these macros to avoid conflict...
Does someone have other ideas or preferences?
Cheers,
Edgar
....
> > +REG32(RST_DDR_SS, 0x108)
> > + FIELD(RST_DDR_SS, DDR_RESET, 3, 1)
> > + FIELD(RST_DDR_SS, APM_RESET, 2, 1)
> > +
> > +#define CRF_R_MAX (R_RST_DDR_SS + 1)
> > +
> > +typedef struct XlnxZynqMPCRF {
> > + SysBusDevice parent_obj;
> > + MemoryRegion iomem;
> > + qemu_irq irq_ir;
> > +
> > + RegisterInfoArray *reg_array;
> > + uint32_t regs[CRF_R_MAX];
> > + RegisterInfo regs_info[CRF_R_MAX];
> > +} XlnxZynqMPCRF;
On Mon, Jan 31, 2022 at 06:27:09PM +0100, Edgar E. Iglesias wrote:
> On Mon, Jan 31, 2022 at 03:35:57PM +0000, Francisco Iglesias wrote:
> > Hi Edgar,
> >
> > A couple of minor comments below, looks good to me otherwise!
> >
> > On Mon, Jan 31, 2022 at 12:12:03AM +0100, Edgar E. Iglesias wrote:
> > > From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
> > >
> > > Add a model of the Xilinx ZynqMP CRF. At the moment this
> > > is mostly a stub model.
> > >
> > > Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> > > ---
> > > include/hw/misc/xlnx-zynqmp-crf.h | 209 +++++++++++++++++++++++
> > > hw/misc/xlnx-zynqmp-crf.c | 270 ++++++++++++++++++++++++++++++
> > > hw/misc/meson.build | 1 +
> > > 3 files changed, 480 insertions(+)
> > > create mode 100644 include/hw/misc/xlnx-zynqmp-crf.h
> > > create mode 100644 hw/misc/xlnx-zynqmp-crf.c
> > >
> > > diff --git a/include/hw/misc/xlnx-zynqmp-crf.h b/include/hw/misc/xlnx-zynqmp-crf.h
> > > new file mode 100644
> > > index 0000000000..b173ea4a08
> > > --- /dev/null
> > > +++ b/include/hw/misc/xlnx-zynqmp-crf.h
> > > @@ -0,0 +1,209 @@
> > > +/*
> > > + * QEMU model of the CRF - Clock Reset FPD.
> > > + *
> > > + * Copyright (c) 2022 Xilinx Inc.
> > > + * SPDX-License-Identifier: GPL-2.0-or-later
> > > + * Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
> > > + */
> > > +
> >
> > Include guard seem to be missing:
> >
> > #ifndef XLNX_ZYNQMP_CRF_H
> > #define XLNX_ZYNQMP_CRF_H
> >
> >
> > > +#include "hw/sysbus.h"
> > > +#include "hw/register.h"
> > > +
> > > +#define TYPE_XLNX_ZYNQMP_CRF "xlnx.zynqmp_crf"
> > > +
> > > +#define XILINX_CRF(obj) \
> > > + OBJECT_CHECK(XlnxZynqMPCRF, (obj), TYPE_XLNX_ZYNQMP_CRF)
> > > +
> > > +REG32(ERR_CTRL, 0x0)
> >
> > (Optional but in case the these ones wont be used outside
> > xlnx-zynqmp-crf.c we could consider placing them there).
>
>
> Hi,
>
> Yeah, I thought about that but the issue is with defining:
>
> #define CRF_R_MAX (R_RST_DDR_SS + 1)
>
> We could move these regdefs out and hardcode CRF_R_MAX, e.g:
> #define CRF_R_MAX (0x108 / 4)
>
> But that seems error-phrone.
> The trade-off is keeping them here and pollute the name-space.
> I already to rename one of these macros to avoid conflict...
>
> Does someone have other ideas or preferences?
I guess we could xlnx-zynqmp-crf.h:
#define CRF_R_MAX ((0x108 / 4) + 1)
and in xlnx-zynqmp-crf.c crf_init():
assert((R_RST_DDR_SS + 1) == CRF_R_MAX);
Or something along those lines...
>
> Cheers,
> Edgar
>
> ....
>
> > > +REG32(RST_DDR_SS, 0x108)
> > > + FIELD(RST_DDR_SS, DDR_RESET, 3, 1)
> > > + FIELD(RST_DDR_SS, APM_RESET, 2, 1)
> > > +
> > > +#define CRF_R_MAX (R_RST_DDR_SS + 1)
> > > +
> > > +typedef struct XlnxZynqMPCRF {
> > > + SysBusDevice parent_obj;
> > > + MemoryRegion iomem;
> > > + qemu_irq irq_ir;
> > > +
> > > + RegisterInfoArray *reg_array;
> > > + uint32_t regs[CRF_R_MAX];
> > > + RegisterInfo regs_info[CRF_R_MAX];
> > > +} XlnxZynqMPCRF;
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