@@ -26,6 +26,7 @@
#include "sysbus.h"
#include "pci.h"
#include "scsi.h"
+#include "eeprom93xx.h"
#include "esp.h"
#include "trace.h"
#include "qemu-log.h"
@@ -823,6 +824,9 @@ static const TypeInfo sysbus_esp_info = {
.class_init = sysbus_esp_class_init,
};
+
+#define TYPE_AM53C974_DEVICE "am53c974"
+
#define DMA_CMD 0x0
#define DMA_STC 0x1
#define DMA_SPA 0x2
@@ -1177,16 +1181,136 @@ static void esp_pci_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo esp_pci_info = {
- .name = "am53c974",
+ .name = TYPE_AM53C974_DEVICE,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCIESPState),
.class_init = esp_pci_class_init,
};
+typedef struct {
+ PCIESPState pci;
+ eeprom_t *eeprom;
+} DC390State;
+
+#define TYPE_DC390_DEVICE "dc390"
+#define DC390(obj) \
+ OBJECT_CHECK(DC390State, obj, TYPE_DC390_DEVICE)
+
+#define EE_ADAPT_SCSI_ID 64
+#define EE_MODE2 65
+#define EE_DELAY 66
+#define EE_TAG_CMD_NUM 67
+#define EE_ADAPT_OPTIONS 68
+#define EE_BOOT_SCSI_ID 69
+#define EE_BOOT_SCSI_LUN 70
+#define EE_CHKSUM1 126
+#define EE_CHKSUM2 127
+
+#define EE_ADAPT_OPTION_F6_F8_AT_BOOT 0x01
+#define EE_ADAPT_OPTION_BOOT_FROM_CDROM 0x02
+#define EE_ADAPT_OPTION_INT13 0x04
+#define EE_ADAPT_OPTION_SCAM_SUPPORT 0x08
+
+
+static uint32_t dc390_read_config(PCIDevice *dev, uint32_t addr, int l)
+{
+ DC390State *pci = DC390(dev);
+ uint32_t val;
+
+ val = pci_default_read_config(dev, addr, l);
+
+ if (addr == 0x00 && l == 1) {
+ /* First byte of address space is AND-ed with EEPROM DO line */
+ if (!eeprom93xx_read(pci->eeprom)) {
+ val &= ~0xff;
+ }
+ }
+
+ return val;
+}
+
+static void dc390_write_config(PCIDevice *dev,
+ uint32_t addr, uint32_t val, int l)
+{
+ DC390State *pci = DC390(dev);
+ if (addr == 0x80) {
+ /* EEPROM write */
+ int eesk = val & 0x80 ? 1 : 0;
+ int eedi = val & 0x40 ? 1 : 0;
+ eeprom93xx_write(pci->eeprom, 1, eesk, eedi);
+ } else if (addr == 0xc0) {
+ /* EEPROM CS low */
+ eeprom93xx_write(pci->eeprom, 0, 0, 0);
+ } else {
+ pci_default_write_config(dev, addr, val, l);
+ }
+}
+
+static int dc390_scsi_init(PCIDevice *dev)
+{
+ DC390State *pci = DC390(dev);
+ uint8_t *contents;
+ uint16_t chksum = 0;
+ int i, ret;
+
+ /* init base class */
+ ret = esp_pci_scsi_init(dev);
+ if (ret < 0) {
+ return ret;
+ }
+
+ /* EEPROM */
+ pci->eeprom = eeprom93xx_new(DEVICE(dev), 64);
+
+ /* set default eeprom values */
+ contents = (uint8_t *)eeprom93xx_data(pci->eeprom);
+
+ for (i = 0; i < 16; i++) {
+ contents[i * 2] = 0x57;
+ contents[i * 2 + 1] = 0x00;
+ }
+ contents[EE_ADAPT_SCSI_ID] = 7;
+ contents[EE_MODE2] = 0x0f;
+ contents[EE_TAG_CMD_NUM] = 0x04;
+ contents[EE_ADAPT_OPTIONS] = EE_ADAPT_OPTION_F6_F8_AT_BOOT
+ | EE_ADAPT_OPTION_BOOT_FROM_CDROM
+ | EE_ADAPT_OPTION_INT13;
+
+ /* update eeprom checksum */
+ for (i = 0; i < EE_CHKSUM1; i += 2) {
+ chksum += contents[i] + (((uint16_t)contents[i + 1]) << 8);
+ }
+ chksum = 0x1234 - chksum;
+ contents[EE_CHKSUM1] = chksum & 0xff;
+ contents[EE_CHKSUM2] = chksum >> 8;
+
+ return 0;
+}
+
+static void dc390_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = dc390_scsi_init;
+ k->config_read = dc390_read_config;
+ k->config_write = dc390_write_config;
+ dc->desc = "Tekram DC-390 SCSI adapter";
+}
+
+static const TypeInfo dc390_info = {
+ .name = "dc390",
+ .parent = TYPE_AM53C974_DEVICE,
+ .instance_size = sizeof(DC390State),
+ .class_init = dc390_class_init,
+};
+
+
static void esp_register_types(void)
{
type_register_static(&sysbus_esp_info);
type_register_static(&esp_pci_info);
+ type_register_static(&dc390_info);
}
type_init(esp_register_types)