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-rw-r--r--qemu/hw/ide/cmd646.c435
1 files changed, 0 insertions, 435 deletions
diff --git a/qemu/hw/ide/cmd646.c b/qemu/hw/ide/cmd646.c
deleted file mode 100644
index 49294a531..000000000
--- a/qemu/hw/ide/cmd646.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * QEMU IDE Emulation: PCI cmd646 support.
- *
- * Copyright (c) 2003 Fabrice Bellard
- * Copyright (c) 2006 Openedhand Ltd.
- *
- * 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/hw.h>
-#include <hw/i386/pc.h>
-#include <hw/pci/pci.h>
-#include <hw/isa/isa.h>
-#include "sysemu/block-backend.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/dma.h"
-
-#include <hw/ide/pci.h>
-
-/* CMD646 specific */
-#define CFR 0x50
-#define CFR_INTR_CH0 0x04
-#define CNTRL 0x51
-#define CNTRL_EN_CH0 0x04
-#define CNTRL_EN_CH1 0x08
-#define ARTTIM23 0x57
-#define ARTTIM23_INTR_CH1 0x10
-#define MRDMODE 0x71
-#define MRDMODE_INTR_CH0 0x04
-#define MRDMODE_INTR_CH1 0x08
-#define MRDMODE_BLK_CH0 0x10
-#define MRDMODE_BLK_CH1 0x20
-#define UDIDETCR0 0x73
-#define UDIDETCR1 0x7B
-
-static void cmd646_update_irq(PCIDevice *pd);
-
-static uint64_t cmd646_cmd_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- CMD646BAR *cmd646bar = opaque;
-
- if (addr != 2 || size != 1) {
- return ((uint64_t)1 << (size * 8)) - 1;
- }
- return ide_status_read(cmd646bar->bus, addr + 2);
-}
-
-static void cmd646_cmd_write(void *opaque, hwaddr addr,
- uint64_t data, unsigned size)
-{
- CMD646BAR *cmd646bar = opaque;
-
- if (addr != 2 || size != 1) {
- return;
- }
- ide_cmd_write(cmd646bar->bus, addr + 2, data);
-}
-
-static const MemoryRegionOps cmd646_cmd_ops = {
- .read = cmd646_cmd_read,
- .write = cmd646_cmd_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static uint64_t cmd646_data_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- CMD646BAR *cmd646bar = opaque;
-
- if (size == 1) {
- return ide_ioport_read(cmd646bar->bus, addr);
- } else if (addr == 0) {
- if (size == 2) {
- return ide_data_readw(cmd646bar->bus, addr);
- } else {
- return ide_data_readl(cmd646bar->bus, addr);
- }
- }
- return ((uint64_t)1 << (size * 8)) - 1;
-}
-
-static void cmd646_data_write(void *opaque, hwaddr addr,
- uint64_t data, unsigned size)
-{
- CMD646BAR *cmd646bar = opaque;
-
- if (size == 1) {
- ide_ioport_write(cmd646bar->bus, addr, data);
- } else if (addr == 0) {
- if (size == 2) {
- ide_data_writew(cmd646bar->bus, addr, data);
- } else {
- ide_data_writel(cmd646bar->bus, addr, data);
- }
- }
-}
-
-static const MemoryRegionOps cmd646_data_ops = {
- .read = cmd646_data_read,
- .write = cmd646_data_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static void setup_cmd646_bar(PCIIDEState *d, int bus_num)
-{
- IDEBus *bus = &d->bus[bus_num];
- CMD646BAR *bar = &d->cmd646_bar[bus_num];
-
- bar->bus = bus;
- bar->pci_dev = d;
- memory_region_init_io(&bar->cmd, OBJECT(d), &cmd646_cmd_ops, bar,
- "cmd646-cmd", 4);
- memory_region_init_io(&bar->data, OBJECT(d), &cmd646_data_ops, bar,
- "cmd646-data", 8);
-}
-
-static void cmd646_update_dma_interrupts(PCIDevice *pd)
-{
- /* Sync DMA interrupt status from UDMA interrupt status */
- if (pd->config[MRDMODE] & MRDMODE_INTR_CH0) {
- pd->config[CFR] |= CFR_INTR_CH0;
- } else {
- pd->config[CFR] &= ~CFR_INTR_CH0;
- }
-
- if (pd->config[MRDMODE] & MRDMODE_INTR_CH1) {
- pd->config[ARTTIM23] |= ARTTIM23_INTR_CH1;
- } else {
- pd->config[ARTTIM23] &= ~ARTTIM23_INTR_CH1;
- }
-}
-
-static void cmd646_update_udma_interrupts(PCIDevice *pd)
-{
- /* Sync UDMA interrupt status from DMA interrupt status */
- if (pd->config[CFR] & CFR_INTR_CH0) {
- pd->config[MRDMODE] |= MRDMODE_INTR_CH0;
- } else {
- pd->config[MRDMODE] &= ~MRDMODE_INTR_CH0;
- }
-
- if (pd->config[ARTTIM23] & ARTTIM23_INTR_CH1) {
- pd->config[MRDMODE] |= MRDMODE_INTR_CH1;
- } else {
- pd->config[MRDMODE] &= ~MRDMODE_INTR_CH1;
- }
-}
-
-static uint64_t bmdma_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- BMDMAState *bm = opaque;
- PCIDevice *pci_dev = PCI_DEVICE(bm->pci_dev);
- uint32_t val;
-
- if (size != 1) {
- return ((uint64_t)1 << (size * 8)) - 1;
- }
-
- switch(addr & 3) {
- case 0:
- val = bm->cmd;
- break;
- case 1:
- val = pci_dev->config[MRDMODE];
- break;
- case 2:
- val = bm->status;
- break;
- case 3:
- if (bm == &bm->pci_dev->bmdma[0]) {
- val = pci_dev->config[UDIDETCR0];
- } else {
- val = pci_dev->config[UDIDETCR1];
- }
- break;
- default:
- val = 0xff;
- break;
- }
-#ifdef DEBUG_IDE
- printf("bmdma: readb " TARGET_FMT_plx " : 0x%02x\n", addr, val);
-#endif
- return val;
-}
-
-static void bmdma_write(void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
-{
- BMDMAState *bm = opaque;
- PCIDevice *pci_dev = PCI_DEVICE(bm->pci_dev);
-
- if (size != 1) {
- return;
- }
-
-#ifdef DEBUG_IDE
- printf("bmdma: writeb " TARGET_FMT_plx " : 0x%" PRIx64 "\n", addr, val);
-#endif
- switch(addr & 3) {
- case 0:
- bmdma_cmd_writeb(bm, val);
- break;
- case 1:
- pci_dev->config[MRDMODE] =
- (pci_dev->config[MRDMODE] & ~0x30) | (val & 0x30);
- cmd646_update_dma_interrupts(pci_dev);
- cmd646_update_irq(pci_dev);
- break;
- case 2:
- bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
- break;
- case 3:
- if (bm == &bm->pci_dev->bmdma[0]) {
- pci_dev->config[UDIDETCR0] = val;
- } else {
- pci_dev->config[UDIDETCR1] = val;
- }
- break;
- }
-}
-
-static const MemoryRegionOps cmd646_bmdma_ops = {
- .read = bmdma_read,
- .write = bmdma_write,
-};
-
-static void bmdma_setup_bar(PCIIDEState *d)
-{
- BMDMAState *bm;
- int i;
-
- memory_region_init(&d->bmdma_bar, OBJECT(d), "cmd646-bmdma", 16);
- for(i = 0;i < 2; i++) {
- bm = &d->bmdma[i];
- memory_region_init_io(&bm->extra_io, OBJECT(d), &cmd646_bmdma_ops, bm,
- "cmd646-bmdma-bus", 4);
- memory_region_add_subregion(&d->bmdma_bar, i * 8, &bm->extra_io);
- memory_region_init_io(&bm->addr_ioport, OBJECT(d),
- &bmdma_addr_ioport_ops, bm,
- "cmd646-bmdma-ioport", 4);
- memory_region_add_subregion(&d->bmdma_bar, i * 8 + 4, &bm->addr_ioport);
- }
-}
-
-static void cmd646_update_irq(PCIDevice *pd)
-{
- int pci_level;
-
- pci_level = ((pd->config[MRDMODE] & MRDMODE_INTR_CH0) &&
- !(pd->config[MRDMODE] & MRDMODE_BLK_CH0)) ||
- ((pd->config[MRDMODE] & MRDMODE_INTR_CH1) &&
- !(pd->config[MRDMODE] & MRDMODE_BLK_CH1));
- pci_set_irq(pd, pci_level);
-}
-
-/* the PCI irq level is the logical OR of the two channels */
-static void cmd646_set_irq(void *opaque, int channel, int level)
-{
- PCIIDEState *d = opaque;
- PCIDevice *pd = PCI_DEVICE(d);
- int irq_mask;
-
- irq_mask = MRDMODE_INTR_CH0 << channel;
- if (level) {
- pd->config[MRDMODE] |= irq_mask;
- } else {
- pd->config[MRDMODE] &= ~irq_mask;
- }
- cmd646_update_dma_interrupts(pd);
- cmd646_update_irq(pd);
-}
-
-static void cmd646_reset(void *opaque)
-{
- PCIIDEState *d = opaque;
- unsigned int i;
-
- for (i = 0; i < 2; i++) {
- ide_bus_reset(&d->bus[i]);
- }
-}
-
-static uint32_t cmd646_pci_config_read(PCIDevice *d,
- uint32_t address, int len)
-{
- return pci_default_read_config(d, address, len);
-}
-
-static void cmd646_pci_config_write(PCIDevice *d, uint32_t addr, uint32_t val,
- int l)
-{
- uint32_t i;
-
- pci_default_write_config(d, addr, val, l);
-
- for (i = addr; i < addr + l; i++) {
- switch (i) {
- case CFR:
- case ARTTIM23:
- cmd646_update_udma_interrupts(d);
- break;
- case MRDMODE:
- cmd646_update_dma_interrupts(d);
- break;
- }
- }
-
- cmd646_update_irq(d);
-}
-
-/* CMD646 PCI IDE controller */
-static void pci_cmd646_ide_realize(PCIDevice *dev, Error **errp)
-{
- PCIIDEState *d = PCI_IDE(dev);
- uint8_t *pci_conf = dev->config;
- qemu_irq *irq;
- int i;
-
- pci_conf[PCI_CLASS_PROG] = 0x8f;
-
- pci_conf[CNTRL] = CNTRL_EN_CH0; // enable IDE0
- if (d->secondary) {
- /* XXX: if not enabled, really disable the seconday IDE controller */
- pci_conf[CNTRL] |= CNTRL_EN_CH1; /* enable IDE1 */
- }
-
- /* Set write-to-clear interrupt bits */
- dev->wmask[CFR] = 0x0;
- dev->w1cmask[CFR] = CFR_INTR_CH0;
- dev->wmask[ARTTIM23] = 0x0;
- dev->w1cmask[ARTTIM23] = ARTTIM23_INTR_CH1;
- dev->wmask[MRDMODE] = 0x0;
- dev->w1cmask[MRDMODE] = MRDMODE_INTR_CH0 | MRDMODE_INTR_CH1;
-
- setup_cmd646_bar(d, 0);
- setup_cmd646_bar(d, 1);
- pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].data);
- pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[0].cmd);
- pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].data);
- pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd646_bar[1].cmd);
- bmdma_setup_bar(d);
- pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
-
- /* TODO: RST# value should be 0 */
- pci_conf[PCI_INTERRUPT_PIN] = 0x01; // interrupt on pin 1
-
- irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
- for (i = 0; i < 2; i++) {
- ide_bus_new(&d->bus[i], sizeof(d->bus[i]), DEVICE(dev), i, 2);
- ide_init2(&d->bus[i], irq[i]);
-
- bmdma_init(&d->bus[i], &d->bmdma[i], d);
- d->bmdma[i].bus = &d->bus[i];
- ide_register_restart_cb(&d->bus[i]);
- }
-
- vmstate_register(DEVICE(dev), 0, &vmstate_ide_pci, d);
- qemu_register_reset(cmd646_reset, d);
-}
-
-static void pci_cmd646_ide_exitfn(PCIDevice *dev)
-{
- PCIIDEState *d = PCI_IDE(dev);
- unsigned i;
-
- for (i = 0; i < 2; ++i) {
- memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io);
- memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport);
- }
-}
-
-void pci_cmd646_ide_init(PCIBus *bus, DriveInfo **hd_table,
- int secondary_ide_enabled)
-{
- PCIDevice *dev;
-
- dev = pci_create(bus, -1, "cmd646-ide");
- qdev_prop_set_uint32(&dev->qdev, "secondary", secondary_ide_enabled);
- qdev_init_nofail(&dev->qdev);
-
- pci_ide_create_devs(dev, hd_table);
-}
-
-static Property cmd646_ide_properties[] = {
- DEFINE_PROP_UINT32("secondary", PCIIDEState, secondary, 0),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void cmd646_ide_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->realize = pci_cmd646_ide_realize;
- k->exit = pci_cmd646_ide_exitfn;
- k->vendor_id = PCI_VENDOR_ID_CMD;
- k->device_id = PCI_DEVICE_ID_CMD_646;
- k->revision = 0x07;
- k->class_id = PCI_CLASS_STORAGE_IDE;
- k->config_read = cmd646_pci_config_read;
- k->config_write = cmd646_pci_config_write;
- dc->props = cmd646_ide_properties;
- set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static const TypeInfo cmd646_ide_info = {
- .name = "cmd646-ide",
- .parent = TYPE_PCI_IDE,
- .class_init = cmd646_ide_class_init,
-};
-
-static void cmd646_ide_register_types(void)
-{
- type_register_static(&cmd646_ide_info);
-}
-
-type_init(cmd646_ide_register_types)