Backport more old code

2020-01-31 22:18:29 +02:00
parent 93c8fc0b77
commit 4e845d5d5e
12 changed files with 1844 additions and 1 deletions
@@ -0,0 +1,32 @@
+#pragma once
+
+struct ahci_registers;
+struct pci_device;
+
+struct ahci_fis_reg_h2d {
+    uint8_t type;
+    uint8_t cmd_port;
+    uint8_t cmd;
+    uint8_t feature_low;
+    uint8_t lba0;
+    uint8_t lba1;
+    uint8_t lba2;
+    uint8_t device;
+
+    uint8_t lba3;
+    uint8_t lba4;
+    uint8_t lba5;
+    uint8_t feature_high;
+
+    uint16_t count;
+    uint8_t icc;
+    uint8_t control;
+
+    uint32_t __res0;
+};
+
+struct ahci_controller {
+    struct pci_device *pci_dev;
+    uintptr_t abar_phys;
+    struct ahci_registers *regs;
+};
@@ -0,0 +1,21 @@
+#pragma once
+
+#define ATA_CMD_IDENTIFY            0xEC
+#define ATA_CMD_PACKET              0xA0
+#define ATA_CMD_READ_DMA_EX         0x25
+#define ATA_CMD_WRITE_DMA_EX        0x35
+
+#define ATA_CMD_PACKET_IDENTIFY     0xA1
+#define ATAPI_CMD_READ_SECTORS      0xA8
+
+#define ATA_SR_BUSY                 (1 << 7)
+#define ATA_SR_DRQ                  (1 << 3)
+
+// Response to ATA_CMD_IDENTIFY
+#define ATA_IDENT_DEVICE_TYPE       0x00
+#define ATA_IDENT_SERIAL            0x14
+#define ATA_IDENT_MODEL             0x36
+#define ATA_IDENT_CAPS              0x62
+#define ATA_IDENT_MAX_LBA           0x78
+#define ATA_IDENT_CMD_SETS          0xA4
+#define ATA_IDENT_MAX_LBAEXT        0xC8
@@ -0,0 +1,33 @@
+#pragma once
+#include "sys/amd64/hw/irq.h"
+#include "sys/types.h"
+
+#define PCI_PORT_CONFIG_ADDR        0xCF8
+#define PCI_PORT_CONFIG_DATA        0xCFC
+
+#define PCI_CONFIG_ID               0x00
+#define PCI_CONFIG_CMD              0x04
+#define PCI_CONFIG_CLASS            0x08
+#define PCI_CONFIG_INFO             0x0C
+#define PCI_CONFIG_BAR(n)           (0x10 + (n) * 4)
+#define PCI_CONFIG_SUBSYSTEM        0x2C
+#define PCI_CONFIG_CAPABILITIES     0x34
+#define PCI_CONFIG_IRQ              0x3C
+
+#define PCI_CONFIG_BRIDGE           0x18
+
+#define PCI_ID(vnd, dev)            (((uint32_t) (vnd)) | ((uint32_t) (dev) << 16))
+
+struct pci_device;
+typedef void (*pci_driver_func_t)(struct pci_device *dev);
+
+void pci_init(void);
+void pci_add_root_bus(uint8_t n);
+
+uint32_t pci_config_read_dword(struct pci_device *dev, uint16_t off);
+void pci_add_irq(struct pci_device *dev, irq_handler_func_t handler, void *ctx);
+
+void pci_add_class_driver(uint32_t full_class, pci_driver_func_t func);
+
+// pcidb.c
+const char *pci_class_string(uint16_t full_class);
@@ -0,0 +1,4 @@
+#pragma once
+#include "sys/amd64/hw/pci/pci.h"
+
+//void pci_usb_uhci_init(pci_addr_t addr);