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author | Francisco Iglesias <francisco.iglesias@amd.com> | 2023-08-31 17:56:58 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2023-09-08 16:41:35 +0100 |
commit | c6766f5b751d042f03a4cfdbee145c97cf4eedb9 (patch) | |
tree | 48a2d3208a74a61c7124bea37401f13d8a7d400b /hw/misc | |
parent | 975dd496b5255c14ea46cf7d51a95703eeb1a2e3 (diff) | |
download | qemu-c6766f5b751d042f03a4cfdbee145c97cf4eedb9.zip qemu-c6766f5b751d042f03a4cfdbee145c97cf4eedb9.tar.gz qemu-c6766f5b751d042f03a4cfdbee145c97cf4eedb9.tar.bz2 |
hw/misc: Introduce a model of Xilinx Versal's CFRAME_REG
Introduce a model of Xilinx Versal's Configuration Frame controller
(CFRAME_REG).
Signed-off-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20230831165701.2016397-6-francisco.iglesias@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/misc')
-rw-r--r-- | hw/misc/meson.build | 1 | ||||
-rw-r--r-- | hw/misc/xlnx-versal-cframe-reg.c | 697 |
2 files changed, 698 insertions, 0 deletions
diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 3135697..88ecab8 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -100,6 +100,7 @@ system_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files( 'xlnx-versal-pmc-iou-slcr.c', 'xlnx-versal-cfu.c', 'xlnx-cfi-if.c', + 'xlnx-versal-cframe-reg.c', )) system_ss.add(when: 'CONFIG_STM32F2XX_SYSCFG', if_true: files('stm32f2xx_syscfg.c')) system_ss.add(when: 'CONFIG_STM32F4XX_SYSCFG', if_true: files('stm32f4xx_syscfg.c')) diff --git a/hw/misc/xlnx-versal-cframe-reg.c b/hw/misc/xlnx-versal-cframe-reg.c new file mode 100644 index 0000000..78db68f --- /dev/null +++ b/hw/misc/xlnx-versal-cframe-reg.c @@ -0,0 +1,697 @@ +/* + * QEMU model of the Configuration Frame Control module + * + * Copyright (C) 2023, Advanced Micro Devices, Inc. + * + * Written by Francisco Iglesias <francisco.iglesias@amd.com> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "hw/register.h" +#include "hw/registerfields.h" +#include "qemu/bitops.h" +#include "qemu/log.h" +#include "qemu/units.h" +#include "qapi/error.h" +#include "hw/qdev-properties.h" +#include "migration/vmstate.h" +#include "hw/irq.h" +#include "hw/misc/xlnx-versal-cframe-reg.h" + +#ifndef XLNX_VERSAL_CFRAME_REG_ERR_DEBUG +#define XLNX_VERSAL_CFRAME_REG_ERR_DEBUG 0 +#endif + +#define KEYHOLE_STREAM_4K (4 * KiB) +#define N_WORDS_128BIT 4 + +#define MAX_BLOCKTYPE 6 +#define MAX_BLOCKTYPE_FRAMES 0xFFFFF + +enum { + CFRAME_CMD_WCFG = 1, + CFRAME_CMD_ROWON = 2, + CFRAME_CMD_ROWOFF = 3, + CFRAME_CMD_RCFG = 4, + CFRAME_CMD_DLPARK = 5, +}; + +static gint int_cmp(gconstpointer a, gconstpointer b, gpointer user_data) +{ + guint ua = GPOINTER_TO_UINT(a); + guint ub = GPOINTER_TO_UINT(b); + return (ua > ub) - (ua < ub); +} + +static void cfrm_imr_update_irq(XlnxVersalCFrameReg *s) +{ + bool pending = s->regs[R_CFRM_ISR0] & ~s->regs[R_CFRM_IMR0]; + qemu_set_irq(s->irq_cfrm_imr, pending); +} + +static void cfrm_isr_postw(RegisterInfo *reg, uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + cfrm_imr_update_irq(s); +} + +static uint64_t cfrm_ier_prew(RegisterInfo *reg, uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + s->regs[R_CFRM_IMR0] &= ~s->regs[R_CFRM_IER0]; + s->regs[R_CFRM_IER0] = 0; + cfrm_imr_update_irq(s); + return 0; +} + +static uint64_t cfrm_idr_prew(RegisterInfo *reg, uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + s->regs[R_CFRM_IMR0] |= s->regs[R_CFRM_IDR0]; + s->regs[R_CFRM_IDR0] = 0; + cfrm_imr_update_irq(s); + return 0; +} + +static uint64_t cfrm_itr_prew(RegisterInfo *reg, uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + s->regs[R_CFRM_ISR0] |= s->regs[R_CFRM_ITR0]; + s->regs[R_CFRM_ITR0] = 0; + cfrm_imr_update_irq(s); + return 0; +} + +static void cframe_incr_far(XlnxVersalCFrameReg *s) +{ + uint32_t faddr = ARRAY_FIELD_EX32(s->regs, FAR0, FRAME_ADDR); + uint32_t blktype = ARRAY_FIELD_EX32(s->regs, FAR0, BLOCKTYPE); + + assert(blktype <= MAX_BLOCKTYPE); + + faddr++; + if (faddr > s->cfg.blktype_num_frames[blktype]) { + /* Restart from 0 and increment block type */ + faddr = 0; + blktype++; + + assert(blktype <= MAX_BLOCKTYPE); + + ARRAY_FIELD_DP32(s->regs, FAR0, BLOCKTYPE, blktype); + } + + ARRAY_FIELD_DP32(s->regs, FAR0, FRAME_ADDR, faddr); +} + +static void cfrm_fdri_post_write(RegisterInfo *reg, uint64_t val) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + if (s->row_configured && s->rowon && s->wcfg) { + + if (fifo32_num_free(&s->new_f_data) >= N_WORDS_128BIT) { + fifo32_push(&s->new_f_data, s->regs[R_FDRI0]); + fifo32_push(&s->new_f_data, s->regs[R_FDRI1]); + fifo32_push(&s->new_f_data, s->regs[R_FDRI2]); + fifo32_push(&s->new_f_data, s->regs[R_FDRI3]); + } + + if (fifo32_is_full(&s->new_f_data)) { + uint32_t addr = extract32(s->regs[R_FAR0], 0, 23); + XlnxCFrame *f = g_new(XlnxCFrame, 1); + + for (int i = 0; i < FRAME_NUM_WORDS; i++) { + f->data[i] = fifo32_pop(&s->new_f_data); + } + + g_tree_replace(s->cframes, GUINT_TO_POINTER(addr), f); + + cframe_incr_far(s); + + fifo32_reset(&s->new_f_data); + } + } +} + +static void cfrm_readout_frames(XlnxVersalCFrameReg *s, uint32_t start_addr, + uint32_t end_addr) +{ + /* + * NB: when our minimum glib version is at least 2.68 we can improve the + * performance of the cframe traversal by using g_tree_lookup_node and + * g_tree_node_next (instead of calling g_tree_lookup for finding each + * cframe). + */ + for (uint32_t addr = start_addr; addr < end_addr; addr++) { + XlnxCFrame *f = g_tree_lookup(s->cframes, GUINT_TO_POINTER(addr)); + + /* Transmit the data if a frame was found */ + if (f) { + for (int i = 0; i < FRAME_NUM_WORDS; i += 4) { + XlnxCfiPacket pkt = {}; + + pkt.data[0] = f->data[i]; + pkt.data[1] = f->data[i + 1]; + pkt.data[2] = f->data[i + 2]; + pkt.data[3] = f->data[i + 3]; + + if (s->cfg.cfu_fdro) { + xlnx_cfi_transfer_packet(s->cfg.cfu_fdro, &pkt); + } + } + } + } +} + +static void cfrm_frcnt_post_write(RegisterInfo *reg, uint64_t val) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + if (s->row_configured && s->rowon && s->rcfg) { + uint32_t start_addr = extract32(s->regs[R_FAR0], 0, 23); + uint32_t end_addr = start_addr + s->regs[R_FRCNT0] / FRAME_NUM_QWORDS; + + cfrm_readout_frames(s, start_addr, end_addr); + } +} + +static void cfrm_cmd_post_write(RegisterInfo *reg, uint64_t val) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + if (s->row_configured) { + uint8_t cmd = ARRAY_FIELD_EX32(s->regs, CMD0, CMD); + + switch (cmd) { + case CFRAME_CMD_WCFG: + s->wcfg = true; + break; + case CFRAME_CMD_ROWON: + s->rowon = true; + break; + case CFRAME_CMD_ROWOFF: + s->rowon = false; + break; + case CFRAME_CMD_RCFG: + s->rcfg = true; + break; + case CFRAME_CMD_DLPARK: + s->wcfg = false; + s->rcfg = false; + break; + default: + break; + }; + } +} + +static uint64_t cfrm_last_frame_bot_post_read(RegisterInfo *reg, + uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + uint64_t val = 0; + + switch (reg->access->addr) { + case A_LAST_FRAME_BOT0: + val = FIELD_DP32(val, LAST_FRAME_BOT0, BLOCKTYPE1_LAST_FRAME_LSB, + s->cfg.blktype_num_frames[1]); + val = FIELD_DP32(val, LAST_FRAME_BOT0, BLOCKTYPE0_LAST_FRAME, + s->cfg.blktype_num_frames[0]); + break; + case A_LAST_FRAME_BOT1: + val = FIELD_DP32(val, LAST_FRAME_BOT1, BLOCKTYPE3_LAST_FRAME_LSB, + s->cfg.blktype_num_frames[3]); + val = FIELD_DP32(val, LAST_FRAME_BOT1, BLOCKTYPE2_LAST_FRAME, + s->cfg.blktype_num_frames[2]); + val = FIELD_DP32(val, LAST_FRAME_BOT1, BLOCKTYPE1_LAST_FRAME_MSB, + (s->cfg.blktype_num_frames[1] >> 12)); + break; + case A_LAST_FRAME_BOT2: + val = FIELD_DP32(val, LAST_FRAME_BOT2, BLOCKTYPE3_LAST_FRAME_MSB, + (s->cfg.blktype_num_frames[3] >> 4)); + break; + case A_LAST_FRAME_BOT3: + default: + break; + } + + return val; +} + +static uint64_t cfrm_last_frame_top_post_read(RegisterInfo *reg, + uint64_t val64) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + uint64_t val = 0; + + switch (reg->access->addr) { + case A_LAST_FRAME_TOP0: + val = FIELD_DP32(val, LAST_FRAME_TOP0, BLOCKTYPE5_LAST_FRAME_LSB, + s->cfg.blktype_num_frames[5]); + val = FIELD_DP32(val, LAST_FRAME_TOP0, BLOCKTYPE4_LAST_FRAME, + s->cfg.blktype_num_frames[4]); + break; + case A_LAST_FRAME_TOP1: + val = FIELD_DP32(val, LAST_FRAME_TOP1, BLOCKTYPE6_LAST_FRAME, + s->cfg.blktype_num_frames[6]); + val = FIELD_DP32(val, LAST_FRAME_TOP1, BLOCKTYPE5_LAST_FRAME_MSB, + (s->cfg.blktype_num_frames[5] >> 12)); + break; + case A_LAST_FRAME_TOP2: + case A_LAST_FRAME_BOT3: + default: + break; + } + + return val; +} + +static void cfrm_far_sfr_post_write(RegisterInfo *reg, uint64_t val) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(reg->opaque); + + if (s->row_configured && s->rowon && s->rcfg) { + uint32_t start_addr = extract32(s->regs[R_FAR_SFR0], 0, 23); + + /* Readback 1 frame */ + cfrm_readout_frames(s, start_addr, start_addr + 1); + } +} + +static const RegisterAccessInfo cframe_reg_regs_info[] = { + { .name = "CRC0", .addr = A_CRC0, + .rsvd = 0x00000000, + },{ .name = "CRC1", .addr = A_CRC0, + .rsvd = 0xffffffff, + },{ .name = "CRC2", .addr = A_CRC0, + .rsvd = 0xffffffff, + },{ .name = "CRC3", .addr = A_CRC0, + .rsvd = 0xffffffff, + },{ .name = "FAR0", .addr = A_FAR0, + .rsvd = 0xfe000000, + },{ .name = "FAR1", .addr = A_FAR1, + .rsvd = 0xffffffff, + },{ .name = "FAR2", .addr = A_FAR2, + .rsvd = 0xffffffff, + },{ .name = "FAR3", .addr = A_FAR3, + .rsvd = 0xffffffff, + },{ .name = "FAR_SFR0", .addr = A_FAR_SFR0, + .rsvd = 0xff800000, + },{ .name = "FAR_SFR1", .addr = A_FAR_SFR1, + .rsvd = 0xffffffff, + },{ .name = "FAR_SFR2", .addr = A_FAR_SFR2, + .rsvd = 0xffffffff, + },{ .name = "FAR_SFR3", .addr = A_FAR_SFR3, + .rsvd = 0xffffffff, + .post_write = cfrm_far_sfr_post_write, + },{ .name = "FDRI0", .addr = A_FDRI0, + },{ .name = "FDRI1", .addr = A_FDRI1, + },{ .name = "FDRI2", .addr = A_FDRI2, + },{ .name = "FDRI3", .addr = A_FDRI3, + .post_write = cfrm_fdri_post_write, + },{ .name = "FRCNT0", .addr = A_FRCNT0, + .rsvd = 0x00000000, + },{ .name = "FRCNT1", .addr = A_FRCNT1, + .rsvd = 0xffffffff, + },{ .name = "FRCNT2", .addr = A_FRCNT2, + .rsvd = 0xffffffff, + },{ .name = "FRCNT3", .addr = A_FRCNT3, + .rsvd = 0xffffffff, + .post_write = cfrm_frcnt_post_write + },{ .name = "CMD0", .addr = A_CMD0, + .rsvd = 0xffffffe0, + },{ .name = "CMD1", .addr = A_CMD1, + .rsvd = 0xffffffff, + },{ .name = "CMD2", .addr = A_CMD2, + .rsvd = 0xffffffff, + },{ .name = "CMD3", .addr = A_CMD3, + .rsvd = 0xffffffff, + .post_write = cfrm_cmd_post_write + },{ .name = "CR_MASK0", .addr = A_CR_MASK0, + .rsvd = 0x00000000, + },{ .name = "CR_MASK1", .addr = A_CR_MASK1, + .rsvd = 0x00000000, + },{ .name = "CR_MASK2", .addr = A_CR_MASK2, + .rsvd = 0x00000000, + },{ .name = "CR_MASK3", .addr = A_CR_MASK3, + .rsvd = 0xffffffff, + },{ .name = "CTL0", .addr = A_CTL0, + .rsvd = 0xfffffff8, + },{ .name = "CTL1", .addr = A_CTL1, + .rsvd = 0xffffffff, + },{ .name = "CTL2", .addr = A_CTL2, + .rsvd = 0xffffffff, + },{ .name = "CTL3", .addr = A_CTL3, + .rsvd = 0xffffffff, + },{ .name = "CFRM_ISR0", .addr = A_CFRM_ISR0, + .rsvd = 0xffc04000, + .w1c = 0x3bfff, + },{ .name = "CFRM_ISR1", .addr = A_CFRM_ISR1, + .rsvd = 0xffffffff, + },{ .name = "CFRM_ISR2", .addr = A_CFRM_ISR2, + .rsvd = 0xffffffff, + },{ .name = "CFRM_ISR3", .addr = A_CFRM_ISR3, + .rsvd = 0xffffffff, + .post_write = cfrm_isr_postw, + },{ .name = "CFRM_IMR0", .addr = A_CFRM_IMR0, + .rsvd = 0xffc04000, + .ro = 0xfffff, + .reset = 0x3bfff, + },{ .name = "CFRM_IMR1", .addr = A_CFRM_IMR1, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IMR2", .addr = A_CFRM_IMR2, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IMR3", .addr = A_CFRM_IMR3, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IER0", .addr = A_CFRM_IER0, + .rsvd = 0xffc04000, + },{ .name = "CFRM_IER1", .addr = A_CFRM_IER1, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IER2", .addr = A_CFRM_IER2, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IER3", .addr = A_CFRM_IER3, + .rsvd = 0xffffffff, + .pre_write = cfrm_ier_prew, + },{ .name = "CFRM_IDR0", .addr = A_CFRM_IDR0, + .rsvd = 0xffc04000, + },{ .name = "CFRM_IDR1", .addr = A_CFRM_IDR1, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IDR2", .addr = A_CFRM_IDR2, + .rsvd = 0xffffffff, + },{ .name = "CFRM_IDR3", .addr = A_CFRM_IDR3, + .rsvd = 0xffffffff, + .pre_write = cfrm_idr_prew, + },{ .name = "CFRM_ITR0", .addr = A_CFRM_ITR0, + .rsvd = 0xffc04000, + },{ .name = "CFRM_ITR1", .addr = A_CFRM_ITR1, + .rsvd = 0xffffffff, + },{ .name = "CFRM_ITR2", .addr = A_CFRM_ITR2, + .rsvd = 0xffffffff, + },{ .name = "CFRM_ITR3", .addr = A_CFRM_ITR3, + .rsvd = 0xffffffff, + .pre_write = cfrm_itr_prew, + },{ .name = "SEU_SYNDRM00", .addr = A_SEU_SYNDRM00, + },{ .name = "SEU_SYNDRM01", .addr = A_SEU_SYNDRM01, + },{ .name = "SEU_SYNDRM02", .addr = A_SEU_SYNDRM02, + },{ .name = "SEU_SYNDRM03", .addr = A_SEU_SYNDRM03, + },{ .name = "SEU_SYNDRM10", .addr = A_SEU_SYNDRM10, + },{ .name = "SEU_SYNDRM11", .addr = A_SEU_SYNDRM11, + },{ .name = "SEU_SYNDRM12", .addr = A_SEU_SYNDRM12, + },{ .name = "SEU_SYNDRM13", .addr = A_SEU_SYNDRM13, + },{ .name = "SEU_SYNDRM20", .addr = A_SEU_SYNDRM20, + },{ .name = "SEU_SYNDRM21", .addr = A_SEU_SYNDRM21, + },{ .name = "SEU_SYNDRM22", .addr = A_SEU_SYNDRM22, + },{ .name = "SEU_SYNDRM23", .addr = A_SEU_SYNDRM23, + },{ .name = "SEU_SYNDRM30", .addr = A_SEU_SYNDRM30, + },{ .name = "SEU_SYNDRM31", .addr = A_SEU_SYNDRM31, + },{ .name = "SEU_SYNDRM32", .addr = A_SEU_SYNDRM32, + },{ .name = "SEU_SYNDRM33", .addr = A_SEU_SYNDRM33, + },{ .name = "SEU_VIRTUAL_SYNDRM0", .addr = A_SEU_VIRTUAL_SYNDRM0, + },{ .name = "SEU_VIRTUAL_SYNDRM1", .addr = A_SEU_VIRTUAL_SYNDRM1, + },{ .name = "SEU_VIRTUAL_SYNDRM2", .addr = A_SEU_VIRTUAL_SYNDRM2, + },{ .name = "SEU_VIRTUAL_SYNDRM3", .addr = A_SEU_VIRTUAL_SYNDRM3, + },{ .name = "SEU_CRC0", .addr = A_SEU_CRC0, + },{ .name = "SEU_CRC1", .addr = A_SEU_CRC1, + },{ .name = "SEU_CRC2", .addr = A_SEU_CRC2, + },{ .name = "SEU_CRC3", .addr = A_SEU_CRC3, + },{ .name = "CFRAME_FAR_BOT0", .addr = A_CFRAME_FAR_BOT0, + },{ .name = "CFRAME_FAR_BOT1", .addr = A_CFRAME_FAR_BOT1, + },{ .name = "CFRAME_FAR_BOT2", .addr = A_CFRAME_FAR_BOT2, + },{ .name = "CFRAME_FAR_BOT3", .addr = A_CFRAME_FAR_BOT3, + },{ .name = "CFRAME_FAR_TOP0", .addr = A_CFRAME_FAR_TOP0, + },{ .name = "CFRAME_FAR_TOP1", .addr = A_CFRAME_FAR_TOP1, + },{ .name = "CFRAME_FAR_TOP2", .addr = A_CFRAME_FAR_TOP2, + },{ .name = "CFRAME_FAR_TOP3", .addr = A_CFRAME_FAR_TOP3, + },{ .name = "LAST_FRAME_BOT0", .addr = A_LAST_FRAME_BOT0, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_bot_post_read, + },{ .name = "LAST_FRAME_BOT1", .addr = A_LAST_FRAME_BOT1, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_bot_post_read, + },{ .name = "LAST_FRAME_BOT2", .addr = A_LAST_FRAME_BOT2, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_bot_post_read, + },{ .name = "LAST_FRAME_BOT3", .addr = A_LAST_FRAME_BOT3, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_bot_post_read, + },{ .name = "LAST_FRAME_TOP0", .addr = A_LAST_FRAME_TOP0, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_top_post_read, + },{ .name = "LAST_FRAME_TOP1", .addr = A_LAST_FRAME_TOP1, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_top_post_read, + },{ .name = "LAST_FRAME_TOP2", .addr = A_LAST_FRAME_TOP2, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_top_post_read, + },{ .name = "LAST_FRAME_TOP3", .addr = A_LAST_FRAME_TOP3, + .ro = 0xffffffff, + .post_read = cfrm_last_frame_top_post_read, + } +}; + +static void cframe_reg_cfi_transfer_packet(XlnxCfiIf *cfi_if, + XlnxCfiPacket *pkt) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(cfi_if); + uint64_t we = MAKE_64BIT_MASK(0, 4 * 8); + + if (!s->row_configured) { + return; + } + + switch (pkt->reg_addr) { + case CFRAME_FAR: + s->regs[R_FAR0] = pkt->data[0]; + break; + case CFRAME_SFR: + s->regs[R_FAR_SFR0] = pkt->data[0]; + register_write(&s->regs_info[R_FAR_SFR3], 0, + we, object_get_typename(OBJECT(s)), + XLNX_VERSAL_CFRAME_REG_ERR_DEBUG); + break; + case CFRAME_FDRI: + s->regs[R_FDRI0] = pkt->data[0]; + s->regs[R_FDRI1] = pkt->data[1]; + s->regs[R_FDRI2] = pkt->data[2]; + register_write(&s->regs_info[R_FDRI3], pkt->data[3], + we, object_get_typename(OBJECT(s)), + XLNX_VERSAL_CFRAME_REG_ERR_DEBUG); + break; + case CFRAME_CMD: + ARRAY_FIELD_DP32(s->regs, CMD0, CMD, pkt->data[0]); + + register_write(&s->regs_info[R_CMD3], 0, + we, object_get_typename(OBJECT(s)), + XLNX_VERSAL_CFRAME_REG_ERR_DEBUG); + break; + default: + break; + } +} + +static uint64_t cframe_reg_fdri_read(void *opaque, hwaddr addr, unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s: Unsupported read from addr=%" + HWADDR_PRIx "\n", __func__, addr); + return 0; +} + +static void cframe_reg_fdri_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(opaque); + uint32_t wfifo[WFIFO_SZ]; + + if (update_wfifo(addr, value, s->wfifo, wfifo)) { + uint64_t we = MAKE_64BIT_MASK(0, 4 * 8); + + s->regs[R_FDRI0] = wfifo[0]; + s->regs[R_FDRI1] = wfifo[1]; + s->regs[R_FDRI2] = wfifo[2]; + register_write(&s->regs_info[R_FDRI3], wfifo[3], + we, object_get_typename(OBJECT(s)), + XLNX_VERSAL_CFRAME_REG_ERR_DEBUG); + } +} + +static void cframe_reg_reset_enter(Object *obj, ResetType type) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(obj); + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) { + register_reset(&s->regs_info[i]); + } + memset(s->wfifo, 0, WFIFO_SZ * sizeof(uint32_t)); + fifo32_reset(&s->new_f_data); + + if (g_tree_nnodes(s->cframes)) { + /* + * Take a reference so when g_tree_destroy() unrefs it we keep the + * GTree and only destroy its contents. NB: when our minimum + * glib version is at least 2.70 we could use g_tree_remove_all(). + */ + g_tree_ref(s->cframes); + g_tree_destroy(s->cframes); + } +} + +static void cframe_reg_reset_hold(Object *obj) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(obj); + + cfrm_imr_update_irq(s); +} + +static const MemoryRegionOps cframe_reg_ops = { + .read = register_read_memory, + .write = register_write_memory, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static const MemoryRegionOps cframe_reg_fdri_ops = { + .read = cframe_reg_fdri_read, + .write = cframe_reg_fdri_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static void cframe_reg_realize(DeviceState *dev, Error **errp) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(dev); + + for (int i = 0; i < ARRAY_SIZE(s->cfg.blktype_num_frames); i++) { + if (s->cfg.blktype_num_frames[i] > MAX_BLOCKTYPE_FRAMES) { + error_setg(errp, + "blktype-frames%d > 0xFFFFF (max frame per block)", + i); + return; + } + if (s->cfg.blktype_num_frames[i]) { + s->row_configured = true; + } + } +} + +static void cframe_reg_init(Object *obj) +{ + XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + RegisterInfoArray *reg_array; + + memory_region_init(&s->iomem, obj, TYPE_XLNX_VERSAL_CFRAME_REG, + CFRAME_REG_R_MAX * 4); + reg_array = + register_init_block32(DEVICE(obj), cframe_reg_regs_info, + ARRAY_SIZE(cframe_reg_regs_info), + s->regs_info, s->regs, + &cframe_reg_ops, + XLNX_VERSAL_CFRAME_REG_ERR_DEBUG, + CFRAME_REG_R_MAX * 4); + memory_region_add_subregion(&s->iomem, + 0x0, + ®_array->mem); + sysbus_init_mmio(sbd, &s->iomem); + memory_region_init_io(&s->iomem_fdri, obj, &cframe_reg_fdri_ops, s, + TYPE_XLNX_VERSAL_CFRAME_REG "-fdri", + KEYHOLE_STREAM_4K); + sysbus_init_mmio(sbd, &s->iomem_fdri); + sysbus_init_irq(sbd, &s->irq_cfrm_imr); + + s->cframes = g_tree_new_full((GCompareDataFunc)int_cmp, NULL, + NULL, (GDestroyNotify)g_free); + fifo32_create(&s->new_f_data, FRAME_NUM_WORDS); +} + +static const VMStateDescription vmstate_cframe = { + .name = "cframe", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(data, XlnxCFrame, FRAME_NUM_WORDS), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_cframe_reg = { + .name = TYPE_XLNX_VERSAL_CFRAME_REG, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(wfifo, XlnxVersalCFrameReg, 4), + VMSTATE_UINT32_ARRAY(regs, XlnxVersalCFrameReg, CFRAME_REG_R_MAX), + VMSTATE_BOOL(rowon, XlnxVersalCFrameReg), + VMSTATE_BOOL(wcfg, XlnxVersalCFrameReg), + VMSTATE_BOOL(rcfg, XlnxVersalCFrameReg), + VMSTATE_GTREE_DIRECT_KEY_V(cframes, XlnxVersalCFrameReg, 1, + &vmstate_cframe, XlnxCFrame), + VMSTATE_FIFO32(new_f_data, XlnxVersalCFrameReg), + VMSTATE_END_OF_LIST(), + } +}; + +static Property cframe_regs_props[] = { + DEFINE_PROP_LINK("cfu-fdro", XlnxVersalCFrameReg, cfg.cfu_fdro, + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_UINT32("blktype0-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[0], 0), + DEFINE_PROP_UINT32("blktype1-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[1], 0), + DEFINE_PROP_UINT32("blktype2-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[2], 0), + DEFINE_PROP_UINT32("blktype3-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[3], 0), + DEFINE_PROP_UINT32("blktype4-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[4], 0), + DEFINE_PROP_UINT32("blktype5-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[5], 0), + DEFINE_PROP_UINT32("blktype6-frames", XlnxVersalCFrameReg, + cfg.blktype_num_frames[6], 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void cframe_reg_class_init(ObjectClass *klass, void *data) +{ + ResettableClass *rc = RESETTABLE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + XlnxCfiIfClass *xcic = XLNX_CFI_IF_CLASS(klass); + + dc->vmsd = &vmstate_cframe_reg; + dc->realize = cframe_reg_realize; + rc->phases.enter = cframe_reg_reset_enter; + rc->phases.hold = cframe_reg_reset_hold; + device_class_set_props(dc, cframe_regs_props); + xcic->cfi_transfer_packet = cframe_reg_cfi_transfer_packet; +} + +static const TypeInfo cframe_reg_info = { + .name = TYPE_XLNX_VERSAL_CFRAME_REG, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(XlnxVersalCFrameReg), + .class_init = cframe_reg_class_init, + .instance_init = cframe_reg_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_XLNX_CFI_IF }, + { } + } +}; + +static void cframe_reg_register_types(void) +{ + type_register_static(&cframe_reg_info); +} + +type_init(cframe_reg_register_types) |