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| author | Peter Maydell <peter.maydell@linaro.org> | 2024-10-01 17:40:25 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-10-01 17:40:25 +0100 |
| commit | 062cfce8d4c077800d252b84c65da8a2dd03fd6f (patch) | |
| tree | 9a416a8f7ce4680c57876c0486fd9da5e48dd0a0 /hw/ssi/omap_spi.c | |
| parent | 718780d20470c66a3a36d036b29148d5809dc855 (diff) | |
| parent | be025ce676d0f8fd094d17b34e87305a1c8fb595 (diff) | |
| download | focaccia-qemu-062cfce8d4c077800d252b84c65da8a2dd03fd6f.tar.gz focaccia-qemu-062cfce8d4c077800d252b84c65da8a2dd03fd6f.zip | |
Merge tag 'pull-target-arm-20241001' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue: * MAINTAINERS: Update STM32L4x5 and B-L475E-IOT01A maintainers * hw/arm/xlnx: Connect secondary CGEM IRQs * m25p80: Add SFDP table for mt35xu01g flash * target/arm: Avoid target_ulong for physical address lookups * hw/ssi/xilinx_spips: Fix flash erase assert in dual parallel configuration * hw: fix memory leak in IRQState allocation * hw/sd/sdcard: Fix handling of disabled boot partitions * arm: Remove deprecated board models # -----BEGIN PGP SIGNATURE----- # # iQJNBAABCAA3FiEE4aXFk81BneKOgxXPPCUl7RQ2DN4FAmb8JW8ZHHBldGVyLm1h # eWRlbGxAbGluYXJvLm9yZwAKCRA8JSXtFDYM3m85D/9W5E4BQd4mG0JPT+OcCRP/ # MQGXsU6fOm3mtYfehXMwnJf2POOK0t/IC5W1mOGmIV6R4ABv2il3cXvQznCpcKY3 # eRmMLn4tfI2bn8zJmkIMY5am7j7G3RJzktz8iQ3bstNwD3pYU46tr36iup7vU71b # Z5Q3+uauBoUo/9rw5jgjjoZ9Z3Ay2RECsZc/vD6NIN0kh2TYgdpitR47J8jhS3ZX # +laqimnRl5wQpe0TIYzpdFr82CXfT62WfQ/+6D6xftbTrV1gfLWesc7hHsgw7Sem # ST+nX+0Wr0UfBvsNN4ldi4jB4FfMeUCPX4wBbkKaYyD7bYFnoiz8RPYCxrHlKqeL # 9P7+LuA+h+odIcsCza9zUSpQIu4gGIuovmnjz6rbD8m6poV0OmU/Ncj4JC9hGJNi # Y1utyFELsvpdQhHP1M2K0qEgO3q/fJyzgA5LXkeXLVozjJM6DX7deVdXjwcBWqeI # McJwe/C1TZ/WQlssrWmx6+naA8sygrsbo98a7X+DVsZ0ka6ofZSKkr7aHd3+dia+ # a4KbiMX6ChqZxPbIB+m4GnOkCDefu098rXlOu4gkMdzyQT/sm7wmVzQ3YsW3jVqx # DNG6Mrg6OVvevXQysdLkJIemnM9YeLxf0lEJ/NpkyGQ7LlmdBws+p1ooCvuvg2Ua # CRFY1tuUfWrshpziF1cT4A== # =q4iF # -----END PGP SIGNATURE----- # gpg: Signature made Tue 01 Oct 2024 17:38:07 BST # gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE # gpg: issuer "peter.maydell@linaro.org" # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate] # gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate] # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * tag 'pull-target-arm-20241001' of https://git.linaro.org/people/pmaydell/qemu-arm: (54 commits) hw: Remove omap2 specific defines and enums hw/dma: Remove omap_dma4 device hw/misc/omap_clk: Remove OMAP2-specifics hw/misc: Remove omap_l4 device hw/display: Remove omap_dss hw/misc: Remove omap_tap device hw/ssi: Remove omap_mcspi hw/timer: Remove omap_synctimer hw/timer: Remove omap_gptimer hw/misc: Remove omap_gpmc hw/misc: Remove omap_sdrc device hw/sd: Remove omap2_mmc device hw/intc: Remove omap2-intc device hw/char: Remove omap2_uart hw/gpio: Remove TYPE_OMAP2_GPIO hw/arm: Remove omap2.c docs: Document removal of old Arm boards hw/usb: Remove MUSB USB host controller hw/usb: Remove tusb6010 USB controller hw/block: Remove OneNAND device ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/ssi/omap_spi.c')
| -rw-r--r-- | hw/ssi/omap_spi.c | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/hw/ssi/omap_spi.c b/hw/ssi/omap_spi.c deleted file mode 100644 index 8f85c3e391..0000000000 --- a/hw/ssi/omap_spi.c +++ /dev/null @@ -1,380 +0,0 @@ -/* - * TI OMAP processor's Multichannel SPI emulation. - * - * Copyright (C) 2007-2009 Nokia Corporation - * - * Original code for OMAP2 by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) any later version of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "qemu/osdep.h" -#include "qemu/log.h" -#include "hw/hw.h" -#include "hw/irq.h" -#include "hw/arm/omap.h" - -/* Multichannel SPI */ -struct omap_mcspi_s { - MemoryRegion iomem; - qemu_irq irq; - int chnum; - - uint32_t sysconfig; - uint32_t systest; - uint32_t irqst; - uint32_t irqen; - uint32_t wken; - uint32_t control; - - struct omap_mcspi_ch_s { - qemu_irq txdrq; - qemu_irq rxdrq; - uint32_t (*txrx)(void *opaque, uint32_t, int); - void *opaque; - - uint32_t tx; - uint32_t rx; - - uint32_t config; - uint32_t status; - uint32_t control; - } ch[4]; -}; - -static inline void omap_mcspi_interrupt_update(struct omap_mcspi_s *s) -{ - qemu_set_irq(s->irq, s->irqst & s->irqen); -} - -static inline void omap_mcspi_dmarequest_update(struct omap_mcspi_ch_s *ch) -{ - qemu_set_irq(ch->txdrq, - (ch->control & 1) && /* EN */ - (ch->config & (1 << 14)) && /* DMAW */ - (ch->status & (1 << 1)) && /* TXS */ - ((ch->config >> 12) & 3) != 1); /* TRM */ - qemu_set_irq(ch->rxdrq, - (ch->control & 1) && /* EN */ - (ch->config & (1 << 15)) && /* DMAW */ - (ch->status & (1 << 0)) && /* RXS */ - ((ch->config >> 12) & 3) != 2); /* TRM */ -} - -static void omap_mcspi_transfer_run(struct omap_mcspi_s *s, int chnum) -{ - struct omap_mcspi_ch_s *ch = s->ch + chnum; - - if (!(ch->control & 1)) /* EN */ - return; - if ((ch->status & (1 << 0)) && /* RXS */ - ((ch->config >> 12) & 3) != 2 && /* TRM */ - !(ch->config & (1 << 19))) /* TURBO */ - goto intr_update; - if ((ch->status & (1 << 1)) && /* TXS */ - ((ch->config >> 12) & 3) != 1) /* TRM */ - goto intr_update; - - if (!(s->control & 1) || /* SINGLE */ - (ch->config & (1 << 20))) { /* FORCE */ - if (ch->txrx) - ch->rx = ch->txrx(ch->opaque, ch->tx, /* WL */ - 1 + (0x1f & (ch->config >> 7))); - } - - ch->tx = 0; - ch->status |= 1 << 2; /* EOT */ - ch->status |= 1 << 1; /* TXS */ - if (((ch->config >> 12) & 3) != 2) /* TRM */ - ch->status |= 1 << 0; /* RXS */ - -intr_update: - if ((ch->status & (1 << 0)) && /* RXS */ - ((ch->config >> 12) & 3) != 2 && /* TRM */ - !(ch->config & (1 << 19))) /* TURBO */ - s->irqst |= 1 << (2 + 4 * chnum); /* RX_FULL */ - if ((ch->status & (1 << 1)) && /* TXS */ - ((ch->config >> 12) & 3) != 1) /* TRM */ - s->irqst |= 1 << (0 + 4 * chnum); /* TX_EMPTY */ - omap_mcspi_interrupt_update(s); - omap_mcspi_dmarequest_update(ch); -} - -void omap_mcspi_reset(struct omap_mcspi_s *s) -{ - int ch; - - s->sysconfig = 0; - s->systest = 0; - s->irqst = 0; - s->irqen = 0; - s->wken = 0; - s->control = 4; - - for (ch = 0; ch < 4; ch ++) { - s->ch[ch].config = 0x060000; - s->ch[ch].status = 2; /* TXS */ - s->ch[ch].control = 0; - - omap_mcspi_dmarequest_update(s->ch + ch); - } - - omap_mcspi_interrupt_update(s); -} - -static uint64_t omap_mcspi_read(void *opaque, hwaddr addr, unsigned size) -{ - struct omap_mcspi_s *s = opaque; - int ch = 0; - uint32_t ret; - - if (size != 4) { - return omap_badwidth_read32(opaque, addr); - } - - switch (addr) { - case 0x00: /* MCSPI_REVISION */ - return 0x91; - - case 0x10: /* MCSPI_SYSCONFIG */ - return s->sysconfig; - - case 0x14: /* MCSPI_SYSSTATUS */ - return 1; /* RESETDONE */ - - case 0x18: /* MCSPI_IRQSTATUS */ - return s->irqst; - - case 0x1c: /* MCSPI_IRQENABLE */ - return s->irqen; - - case 0x20: /* MCSPI_WAKEUPENABLE */ - return s->wken; - - case 0x24: /* MCSPI_SYST */ - return s->systest; - - case 0x28: /* MCSPI_MODULCTRL */ - return s->control; - - case 0x68: ch ++; - /* fall through */ - case 0x54: ch ++; - /* fall through */ - case 0x40: ch ++; - /* fall through */ - case 0x2c: /* MCSPI_CHCONF */ - return s->ch[ch].config; - - case 0x6c: ch ++; - /* fall through */ - case 0x58: ch ++; - /* fall through */ - case 0x44: ch ++; - /* fall through */ - case 0x30: /* MCSPI_CHSTAT */ - return s->ch[ch].status; - - case 0x70: ch ++; - /* fall through */ - case 0x5c: ch ++; - /* fall through */ - case 0x48: ch ++; - /* fall through */ - case 0x34: /* MCSPI_CHCTRL */ - return s->ch[ch].control; - - case 0x74: ch ++; - /* fall through */ - case 0x60: ch ++; - /* fall through */ - case 0x4c: ch ++; - /* fall through */ - case 0x38: /* MCSPI_TX */ - return s->ch[ch].tx; - - case 0x78: ch ++; - /* fall through */ - case 0x64: ch ++; - /* fall through */ - case 0x50: ch ++; - /* fall through */ - case 0x3c: /* MCSPI_RX */ - s->ch[ch].status &= ~(1 << 0); /* RXS */ - ret = s->ch[ch].rx; - omap_mcspi_transfer_run(s, ch); - return ret; - } - - OMAP_BAD_REG(addr); - return 0; -} - -static void omap_mcspi_write(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - struct omap_mcspi_s *s = opaque; - int ch = 0; - - if (size != 4) { - omap_badwidth_write32(opaque, addr, value); - return; - } - - switch (addr) { - case 0x00: /* MCSPI_REVISION */ - case 0x14: /* MCSPI_SYSSTATUS */ - case 0x30: /* MCSPI_CHSTAT0 */ - case 0x3c: /* MCSPI_RX0 */ - case 0x44: /* MCSPI_CHSTAT1 */ - case 0x50: /* MCSPI_RX1 */ - case 0x58: /* MCSPI_CHSTAT2 */ - case 0x64: /* MCSPI_RX2 */ - case 0x6c: /* MCSPI_CHSTAT3 */ - case 0x78: /* MCSPI_RX3 */ - OMAP_RO_REG(addr); - return; - - case 0x10: /* MCSPI_SYSCONFIG */ - if (value & (1 << 1)) /* SOFTRESET */ - omap_mcspi_reset(s); - s->sysconfig = value & 0x31d; - break; - - case 0x18: /* MCSPI_IRQSTATUS */ - if (!((s->control & (1 << 3)) && (s->systest & (1 << 11)))) { - s->irqst &= ~value; - omap_mcspi_interrupt_update(s); - } - break; - - case 0x1c: /* MCSPI_IRQENABLE */ - s->irqen = value & 0x1777f; - omap_mcspi_interrupt_update(s); - break; - - case 0x20: /* MCSPI_WAKEUPENABLE */ - s->wken = value & 1; - break; - - case 0x24: /* MCSPI_SYST */ - if (s->control & (1 << 3)) /* SYSTEM_TEST */ - if (value & (1 << 11)) { /* SSB */ - s->irqst |= 0x1777f; - omap_mcspi_interrupt_update(s); - } - s->systest = value & 0xfff; - break; - - case 0x28: /* MCSPI_MODULCTRL */ - if (value & (1 << 3)) /* SYSTEM_TEST */ - if (s->systest & (1 << 11)) { /* SSB */ - s->irqst |= 0x1777f; - omap_mcspi_interrupt_update(s); - } - s->control = value & 0xf; - break; - - case 0x68: ch ++; - /* fall through */ - case 0x54: ch ++; - /* fall through */ - case 0x40: ch ++; - /* fall through */ - case 0x2c: /* MCSPI_CHCONF */ - if ((value ^ s->ch[ch].config) & (3 << 14)) /* DMAR | DMAW */ - omap_mcspi_dmarequest_update(s->ch + ch); - if (((value >> 12) & 3) == 3) { /* TRM */ - qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid TRM value (3)\n", - __func__); - } - if (((value >> 7) & 0x1f) < 3) { /* WL */ - qemu_log_mask(LOG_GUEST_ERROR, - "%s: invalid WL value (%" PRIx64 ")\n", - __func__, (value >> 7) & 0x1f); - } - s->ch[ch].config = value & 0x7fffff; - break; - - case 0x70: ch ++; - /* fall through */ - case 0x5c: ch ++; - /* fall through */ - case 0x48: ch ++; - /* fall through */ - case 0x34: /* MCSPI_CHCTRL */ - if (value & ~s->ch[ch].control & 1) { /* EN */ - s->ch[ch].control |= 1; - omap_mcspi_transfer_run(s, ch); - } else - s->ch[ch].control = value & 1; - break; - - case 0x74: ch ++; - /* fall through */ - case 0x60: ch ++; - /* fall through */ - case 0x4c: ch ++; - /* fall through */ - case 0x38: /* MCSPI_TX */ - s->ch[ch].tx = value; - s->ch[ch].status &= ~(1 << 1); /* TXS */ - omap_mcspi_transfer_run(s, ch); - break; - - default: - OMAP_BAD_REG(addr); - return; - } -} - -static const MemoryRegionOps omap_mcspi_ops = { - .read = omap_mcspi_read, - .write = omap_mcspi_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -struct omap_mcspi_s *omap_mcspi_init(struct omap_target_agent_s *ta, int chnum, - qemu_irq irq, qemu_irq *drq, omap_clk fclk, omap_clk iclk) -{ - struct omap_mcspi_s *s = g_new0(struct omap_mcspi_s, 1); - struct omap_mcspi_ch_s *ch = s->ch; - - s->irq = irq; - s->chnum = chnum; - while (chnum --) { - ch->txdrq = *drq ++; - ch->rxdrq = *drq ++; - ch ++; - } - omap_mcspi_reset(s); - - memory_region_init_io(&s->iomem, NULL, &omap_mcspi_ops, s, "omap.mcspi", - omap_l4_region_size(ta, 0)); - omap_l4_attach(ta, 0, &s->iomem); - - return s; -} - -void omap_mcspi_attach(struct omap_mcspi_s *s, - uint32_t (*txrx)(void *opaque, uint32_t, int), void *opaque, - int chipselect) -{ - if (chipselect < 0 || chipselect >= s->chnum) - hw_error("%s: Bad chipselect %i\n", __func__, chipselect); - - s->ch[chipselect].txrx = txrx; - s->ch[chipselect].opaque = opaque; -} |