--- /dev/null
+/*
+ * QEMU National Semiconductor PC87312 (Super I/O)
+ *
+ * Copyright (c) 2010-2012 Herve Poussineau
+ * Copyright (c) 2011-2012 Andreas Färber
+ *
+ * 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 "pc87312.h"
+#include "sysemu/blockdev.h"
+#include "sysemu/sysemu.h"
+#include "char/char.h"
+#include "trace.h"
+
+
+#define REG_FER 0
+#define REG_FAR 1
+#define REG_PTR 2
+
+#define FER regs[REG_FER]
+#define FAR regs[REG_FAR]
+#define PTR regs[REG_PTR]
+
+#define FER_PARALLEL_EN 0x01
+#define FER_UART1_EN 0x02
+#define FER_UART2_EN 0x04
+#define FER_FDC_EN 0x08
+#define FER_FDC_4 0x10
+#define FER_FDC_ADDR 0x20
+#define FER_IDE_EN 0x40
+#define FER_IDE_ADDR 0x80
+
+#define FAR_PARALLEL_ADDR 0x03
+#define FAR_UART1_ADDR 0x0C
+#define FAR_UART2_ADDR 0x30
+#define FAR_UART_3_4 0xC0
+
+#define PTR_POWER_DOWN 0x01
+#define PTR_CLOCK_DOWN 0x02
+#define PTR_PWDN 0x04
+#define PTR_IRQ_5_7 0x08
+#define PTR_UART1_TEST 0x10
+#define PTR_UART2_TEST 0x20
+#define PTR_LOCK_CONF 0x40
+#define PTR_EPP_MODE 0x80
+
+
+/* Parallel port */
+
+static inline bool is_parallel_enabled(PC87312State *s)
+{
+ return s->FER & FER_PARALLEL_EN;
+}
+
+static const uint32_t parallel_base[] = { 0x378, 0x3bc, 0x278, 0x00 };
+
+static inline uint32_t get_parallel_iobase(PC87312State *s)
+{
+ return parallel_base[s->FAR & FAR_PARALLEL_ADDR];
+}
+
+static const uint32_t parallel_irq[] = { 5, 7, 5, 0 };
+
+static inline uint32_t get_parallel_irq(PC87312State *s)
+{
+ int idx;
+ idx = (s->FAR & FAR_PARALLEL_ADDR);
+ if (idx == 0) {
+ return (s->PTR & PTR_IRQ_5_7) ? 7 : 5;
+ } else {
+ return parallel_irq[idx];
+ }
+}
+
+static inline bool is_parallel_epp(PC87312State *s)
+{
+ return s->PTR & PTR_EPP_MODE;
+}
+
+
+/* UARTs */
+
+static const uint32_t uart_base[2][4] = {
+ { 0x3e8, 0x338, 0x2e8, 0x220 },
+ { 0x2e8, 0x238, 0x2e0, 0x228 }
+};
+
+static inline uint32_t get_uart_iobase(PC87312State *s, int i)
+{
+ int idx;
+ idx = (s->FAR >> (2 * i + 2)) & 0x3;
+ if (idx == 0) {
+ return 0x3f8;
+ } else if (idx == 1) {
+ return 0x2f8;
+ } else {
+ return uart_base[idx & 1][(s->FAR & FAR_UART_3_4) >> 6];
+ }
+}
+
+static inline uint32_t get_uart_irq(PC87312State *s, int i)
+{
+ int idx;
+ idx = (s->FAR >> (2 * i + 2)) & 0x3;
+ return (idx & 1) ? 3 : 4;
+}
+
+static inline bool is_uart_enabled(PC87312State *s, int i)
+{
+ return s->FER & (FER_UART1_EN << i);
+}
+
+
+/* Floppy controller */
+
+static inline bool is_fdc_enabled(PC87312State *s)
+{
+ return s->FER & FER_FDC_EN;
+}
+
+static inline uint32_t get_fdc_iobase(PC87312State *s)
+{
+ return (s->FER & FER_FDC_ADDR) ? 0x370 : 0x3f0;
+}
+
+
+/* IDE controller */
+
+static inline bool is_ide_enabled(PC87312State *s)
+{
+ return s->FER & FER_IDE_EN;
+}
+
+static inline uint32_t get_ide_iobase(PC87312State *s)
+{
+ return (s->FER & FER_IDE_ADDR) ? 0x170 : 0x1f0;
+}
+
+
+static void reconfigure_devices(PC87312State *s)
+{
+ error_report("pc87312: unsupported device reconfiguration (%02x %02x %02x)",
+ s->FER, s->FAR, s->PTR);
+}
+
+static void pc87312_soft_reset(PC87312State *s)
+{
+ static const uint8_t fer_init[] = {
+ 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4b, 0x4b,
+ 0x4b, 0x4b, 0x4b, 0x4b, 0x0f, 0x0f, 0x0f, 0x0f,
+ 0x49, 0x49, 0x49, 0x49, 0x07, 0x07, 0x07, 0x07,
+ 0x47, 0x47, 0x47, 0x47, 0x47, 0x47, 0x08, 0x00,
+ };
+ static const uint8_t far_init[] = {
+ 0x10, 0x11, 0x11, 0x39, 0x24, 0x38, 0x00, 0x01,
+ 0x01, 0x09, 0x08, 0x08, 0x10, 0x11, 0x39, 0x24,
+ 0x00, 0x01, 0x01, 0x00, 0x10, 0x11, 0x39, 0x24,
+ 0x10, 0x11, 0x11, 0x39, 0x24, 0x38, 0x10, 0x10,
+ };
+ static const uint8_t ptr_init[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
+ };
+
+ s->read_id_step = 0;
+ s->selected_index = REG_FER;
+
+ s->FER = fer_init[s->config & 0x1f];
+ s->FAR = far_init[s->config & 0x1f];
+ s->PTR = ptr_init[s->config & 0x1f];
+}
+
+static void pc87312_hard_reset(PC87312State *s)
+{
+ pc87312_soft_reset(s);
+}
+
+static void pc87312_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+{
+ PC87312State *s = opaque;
+
+ trace_pc87312_io_write(addr, val);
+
+ if ((addr & 1) == 0) {
+ /* Index register */
+ s->read_id_step = 2;
+ s->selected_index = val;
+ } else {
+ /* Data register */
+ if (s->selected_index < 3) {
+ s->regs[s->selected_index] = val;
+ reconfigure_devices(s);
+ }
+ }
+}
+
+static uint32_t pc87312_ioport_read(void *opaque, uint32_t addr)
+{
+ PC87312State *s = opaque;
+ uint32_t val;
+
+ if ((addr & 1) == 0) {
+ /* Index register */
+ if (s->read_id_step++ == 0) {
+ val = 0x88;
+ } else if (s->read_id_step++ == 1) {
+ val = 0;
+ } else {
+ val = s->selected_index;
+ }
+ } else {
+ /* Data register */
+ if (s->selected_index < 3) {
+ val = s->regs[s->selected_index];
+ } else {
+ /* Invalid selected index */
+ val = 0;
+ }
+ }
+
+ trace_pc87312_io_read(addr, val);
+ return val;
+}
+
+static int pc87312_post_load(void *opaque, int version_id)
+{
+ PC87312State *s = opaque;
+
+ reconfigure_devices(s);
+ return 0;
+}
+
+static void pc87312_reset(DeviceState *d)
+{
+ PC87312State *s = PC87312(d);
+
+ pc87312_soft_reset(s);
+}
+
+static int pc87312_init(ISADevice *dev)
+{
+ PC87312State *s;
+ DeviceState *d;
+ ISADevice *isa;
+ ISABus *bus;
+ CharDriverState *chr;
+ DriveInfo *drive;
+ char name[5];
+ int i;
+
+ s = PC87312(dev);
+ bus = isa_bus_from_device(dev);
+ pc87312_hard_reset(s);
+
+ if (is_parallel_enabled(s)) {
+ chr = parallel_hds[0];
+ if (chr == NULL) {
+ chr = qemu_chr_new("par0", "null", NULL);
+ }
+ isa = isa_create(bus, "isa-parallel");
+ d = DEVICE(isa);
+ qdev_prop_set_uint32(d, "index", 0);
+ qdev_prop_set_uint32(d, "iobase", get_parallel_iobase(s));
+ qdev_prop_set_uint32(d, "irq", get_parallel_irq(s));
+ qdev_prop_set_chr(d, "chardev", chr);
+ qdev_init_nofail(d);
+ s->parallel.dev = isa;
+ trace_pc87312_info_parallel(get_parallel_iobase(s),
+ get_parallel_irq(s));
+ }
+
+ for (i = 0; i < 2; i++) {
+ if (is_uart_enabled(s, i)) {
+ chr = serial_hds[i];
+ if (chr == NULL) {
+ snprintf(name, sizeof(name), "ser%d", i);
+ chr = qemu_chr_new(name, "null", NULL);
+ }
+ isa = isa_create(bus, "isa-serial");
+ d = DEVICE(isa);
+ qdev_prop_set_uint32(d, "index", i);
+ qdev_prop_set_uint32(d, "iobase", get_uart_iobase(s, i));
+ qdev_prop_set_uint32(d, "irq", get_uart_irq(s, i));
+ qdev_prop_set_chr(d, "chardev", chr);
+ qdev_init_nofail(d);
+ s->uart[i].dev = isa;
+ trace_pc87312_info_serial(i, get_uart_iobase(s, i),
+ get_uart_irq(s, i));
+ }
+ }
+
+ if (is_fdc_enabled(s)) {
+ isa = isa_create(bus, "isa-fdc");
+ d = DEVICE(isa);
+ qdev_prop_set_uint32(d, "iobase", get_fdc_iobase(s));
+ qdev_prop_set_uint32(d, "irq", 6);
+ drive = drive_get(IF_FLOPPY, 0, 0);
+ if (drive != NULL) {
+ qdev_prop_set_drive_nofail(d, "driveA", drive->bdrv);
+ }
+ drive = drive_get(IF_FLOPPY, 0, 1);
+ if (drive != NULL) {
+ qdev_prop_set_drive_nofail(d, "driveB", drive->bdrv);
+ }
+ qdev_init_nofail(d);
+ s->fdc.dev = isa;
+ trace_pc87312_info_floppy(get_fdc_iobase(s));
+ }
+
+ if (is_ide_enabled(s)) {
+ isa = isa_create(bus, "isa-ide");
+ d = DEVICE(isa);
+ qdev_prop_set_uint32(d, "iobase", get_ide_iobase(s));
+ qdev_prop_set_uint32(d, "iobase2", get_ide_iobase(s) + 0x206);
+ qdev_prop_set_uint32(d, "irq", 14);
+ qdev_init_nofail(d);
+ s->ide.dev = isa;
+ trace_pc87312_info_ide(get_ide_iobase(s));
+ }
+
+ register_ioport_write(s->iobase, 2, 1, pc87312_ioport_write, s);
+ register_ioport_read(s->iobase, 2, 1, pc87312_ioport_read, s);
+ return 0;
+}
+
+static const VMStateDescription vmstate_pc87312 = {
+ .name = "pc87312",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .post_load = pc87312_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(read_id_step, PC87312State),
+ VMSTATE_UINT8(selected_index, PC87312State),
+ VMSTATE_UINT8_ARRAY(regs, PC87312State, 3),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static Property pc87312_properties[] = {
+ DEFINE_PROP_HEX32("iobase", PC87312State, iobase, 0x398),
+ DEFINE_PROP_UINT8("config", PC87312State, config, 1),
+ DEFINE_PROP_END_OF_LIST()
+};
+
+static void pc87312_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+
+ ic->init = pc87312_init;
+ dc->reset = pc87312_reset;
+ dc->vmsd = &vmstate_pc87312;
+ dc->props = pc87312_properties;
+}
+
+static const TypeInfo pc87312_type_info = {
+ .name = TYPE_PC87312,
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(PC87312State),
+ .class_init = pc87312_class_init,
+};
+
+static void pc87312_register_types(void)
+{
+ type_register_static(&pc87312_type_info);
+}
+
+type_init(pc87312_register_types)
#include "ide.h"
#include "loader.h"
#include "mc146818rtc.h"
+#include "pc87312.h"
#include "sysemu/blockdev.h"
#include "sysemu/arch_init.h"
#include "exec/address-spaces.h"
M48t59State *nvram;
uint8_t state;
uint8_t syscontrol;
- uint8_t fake_io[2];
int contiguous_map;
int endian;
} sysctrl_t;
static sysctrl_t *sysctrl;
-static void PREP_io_write (void *opaque, uint32_t addr, uint32_t val)
-{
- sysctrl_t *sysctrl = opaque;
-
- PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
- val);
- sysctrl->fake_io[addr - 0x0398] = val;
-}
-
-static uint32_t PREP_io_read (void *opaque, uint32_t addr)
-{
- sysctrl_t *sysctrl = opaque;
-
- PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
- sysctrl->fake_io[addr - 0x0398]);
- return sysctrl->fake_io[addr - 0x0398];
-}
-
static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
{
sysctrl_t *sysctrl = opaque;
PCIBus *pci_bus;
PCIDevice *pci;
ISABus *isa_bus;
+ ISADevice *isa;
qemu_irq *cpu_exit_irq;
int ppc_boot_device;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
- DriveInfo *fd[MAX_FD];
sysctrl = g_malloc0(sizeof(sysctrl_t));
sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11));
isa_bus = DO_UPCAST(ISABus, qbus, qdev_get_child_bus(&pci->qdev, "isa.0"));
+ /* Super I/O (parallel + serial ports) */
+ isa = isa_create(isa_bus, TYPE_PC87312);
+ qdev_prop_set_uint8(&isa->qdev, "config", 13); /* fdc, ser0, ser1, par0 */
+ qdev_init_nofail(&isa->qdev);
+
/* Register 8 MB of ISA IO space (needed for non-contiguous map) */
memory_region_init_io(PPC_io_memory, &PPC_prep_io_ops, sysctrl,
"ppc-io", 0x00800000);
/* init basic PC hardware */
pci_vga_init(pci_bus);
- if (serial_hds[0])
- serial_isa_init(isa_bus, 0, serial_hds[0]);
nb_nics1 = nb_nics;
if (nb_nics1 > NE2000_NB_MAX)
nb_nics1 = NE2000_NB_MAX;
}
isa_create_simple(isa_bus, "i8042");
- // SB16_init();
-
- for(i = 0; i < MAX_FD; i++) {
- fd[i] = drive_get(IF_FLOPPY, 0, i);
- }
- fdctrl_init_isa(isa_bus, fd);
-
- /* Register fake IO ports for PREP */
sysctrl->reset_irq = first_cpu->irq_inputs[PPC6xx_INPUT_HRESET];
- register_ioport_read(0x398, 2, 1, &PREP_io_read, sysctrl);
- register_ioport_write(0x398, 2, 1, &PREP_io_write, sysctrl);
/* System control ports */
register_ioport_read(0x0092, 0x01, 1, &PREP_io_800_readb, sysctrl);
register_ioport_write(0x0092, 0x01, 1, &PREP_io_800_writeb, sysctrl);
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