return GRUB_ERR_NONE;
}
+/* Dump of GPIO connections. FIXME: Remove useless and macroify. */
+static grub_uint32_t gpiodump[] = {
+ 0xffff0000, 0x2ffdd002, 0xffff0000, 0xffff0000,
+ 0x2fffd000, 0xffff0000, 0x1000efff, 0xefff1000,
+ 0x3ffbc004, 0xffff0000, 0xffff0000, 0xffff0000,
+ 0x3ffbc004, 0x3ffbc004, 0xffff0000, 0x00000000,
+ 0xffff0000, 0xffff0000, 0x3ffbc004, 0x3f9bc064,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0xffff0000, 0xffff0000, 0xffff0000, 0xffff0000,
+ 0xffff0000, 0xffff0000, 0x0000ffff, 0xffff0000,
+ 0xefff1000, 0xffff0000, 0xffff0000, 0xffff0000,
+ 0xefff1000, 0xefff1000, 0xffff0000, 0x00000000,
+ 0xffff0000, 0xffff0000, 0xefff1000, 0xffff0000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x50000000, 0x00000000, 0x00000000,
+};
+
+static inline void
+set_io_space (grub_pci_device_t dev, int num, grub_uint16_t start,
+ grub_uint16_t len)
+{
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_REGIONS_START + num,
+ ((((grub_uint64_t) start + len - 4)
+ << GRUB_CS5536_MSR_GL_REGION_IO_TOP_SHIFT)
+ & GRUB_CS5536_MSR_GL_REGION_TOP_MASK)
+ | (((grub_uint64_t) start
+ << GRUB_CS5536_MSR_GL_REGION_IO_BASE_SHIFT)
+ & GRUB_CS5536_MSR_GL_REGION_BASE_MASK)
+ | GRUB_CS5536_MSR_GL_REGION_IO
+ | GRUB_CS5536_MSR_GL_REGION_ENABLE);
+}
+
+static inline void
+set_iod (grub_pci_device_t dev, int num, int dest, int start, int mask)
+{
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_IOD_START + num,
+ ((grub_uint64_t) dest << GRUB_CS5536_IOD_DEST_SHIFT)
+ | (((grub_uint64_t) start & GRUB_CS5536_IOD_ADDR_MASK)
+ << GRUB_CS5536_IOD_BASE_SHIFT)
+ | ((mask & GRUB_CS5536_IOD_ADDR_MASK)
+ << GRUB_CS5536_IOD_MASK_SHIFT));
+}
+
+static inline void
+set_p2d (grub_pci_device_t dev, int num, int dest, grub_uint32_t start)
+{
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_P2D_START + num,
+ (((grub_uint64_t) dest) << GRUB_CS5536_P2D_DEST_SHIFT)
+ | ((grub_uint64_t) (start >> GRUB_CS5536_P2D_LOG_ALIGN)
+ << GRUB_CS5536_P2D_BASE_SHIFT)
+ | (((1 << (32 - GRUB_CS5536_P2D_LOG_ALIGN)) - 1)
+ << GRUB_CS5536_P2D_MASK_SHIFT));
+}
+
+void
+grub_cs5536_init_geode (grub_pci_device_t dev)
+{
+ int i;
+
+ /* Make sure GPIO is where we expect it to be. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GPIO_BAR,
+ GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_GPIO);
+
+ /* Setup GPIO. */
+ for (i = 0; i < (int) ARRAY_SIZE (gpiodump); i++)
+ ((volatile grub_uint32_t *) (GRUB_MACHINE_PCI_IO_BASE
+ + GRUB_CS5536_LBAR_GPIO)) [i] = gpiodump[i];
+
+ /* Enable more BARs. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IRQ_MAP_BAR,
+ GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_IRQ_MAP);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_MFGPT_BAR,
+ GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_MFGPT);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_ACPI_BAR,
+ GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_ACPI);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_PM_BAR,
+ GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_PM);
+
+ /* Setup DIVIL. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_LEG_IO,
+ GRUB_CS5536_MSR_DIVIL_LEG_IO_MODE_X86
+ | GRUB_CS5536_MSR_DIVIL_LEG_IO_F_REMAP
+ | GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE0
+ | GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE1);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_PRIMARY_MASK,
+ (~GRUB_CS5536_DIVIL_LPC_INTERRUPTS) & 0xffff);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_LPC_MASK,
+ GRUB_CS5536_DIVIL_LPC_INTERRUPTS);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL,
+ GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL_ENABLE);
+
+ /* Initialise USB controller. */
+ /* FIXME: assign adresses dynamically. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_OHCI_BASE,
+ GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
+ | GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE
+ | 0x05024000);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE,
+ GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
+ | GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE
+ | (0x20ULL << GRUB_CS5536_MSR_USB_EHCI_BASE_FLDJ_SHIFT)
+ | 0x05023000);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_CONTROLLER_BASE,
+ GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
+ | GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE | 0x05020000);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_OPTION_CONTROLLER_BASE,
+ GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE | 0x05022000);
+ set_p2d (dev, 0, GRUB_CS5536_DESTINATION_USB, 0x05020000);
+ set_p2d (dev, 1, GRUB_CS5536_DESTINATION_USB, 0x05022000);
+ set_p2d (dev, 5, GRUB_CS5536_DESTINATION_USB, 0x05024000);
+ set_p2d (dev, 6, GRUB_CS5536_DESTINATION_USB, 0x05023000);
+
+ {
+ volatile grub_uint32_t *oc;
+ oc = grub_pci_device_map_range (dev, 0x05022000,
+ GRUB_CS5536_USB_OPTION_REGS_SIZE);
+
+ oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX] =
+ (oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX]
+ & ~GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_MASK)
+ | GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_HC;
+ grub_pci_device_unmap_range (dev, oc, GRUB_CS5536_USB_OPTION_REGS_SIZE);
+ }
+
+ /* Setup IDE controller. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_IO_BAR,
+ GRUB_CS5536_LBAR_IDE
+ | GRUB_CS5536_MSR_IDE_IO_BAR_UNITS);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_CFG,
+ GRUB_CS5536_MSR_IDE_CFG_CHANNEL_ENABLE);
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_TIMING,
+ (GRUB_CS5536_MSR_IDE_TIMING_PIO0
+ << GRUB_CS5536_MSR_IDE_TIMING_DRIVE0_SHIFT)
+ | (GRUB_CS5536_MSR_IDE_TIMING_PIO0
+ << GRUB_CS5536_MSR_IDE_TIMING_DRIVE1_SHIFT));
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_CAS_TIMING,
+ (GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_PIO0
+ << GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_SHIFT)
+ | (GRUB_CS5536_MSR_IDE_CAS_TIMING_PIO0
+ << GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE0_SHIFT)
+ | (GRUB_CS5536_MSR_IDE_CAS_TIMING_PIO0
+ << GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE1_SHIFT));
+
+ /* Setup Geodelink PCI. */
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_PCI_CTRL,
+ (4ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_OUT_THR_SHIFT)
+ | (4ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_IN_THR_SHIFT)
+ | (8ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_LATENCY_SHIFT)
+ | GRUB_CS5536_MSR_GL_PCI_CTRL_IO_ENABLE
+ | GRUB_CS5536_MSR_GL_PCI_CTRL_MEMORY_ENABLE);
+
+ /* Setup windows. */
+ set_io_space (dev, 0, GRUB_CS5536_LBAR_SMBUS, GRUB_CS5536_SMBUS_REGS_SIZE);
+ set_io_space (dev, 1, GRUB_CS5536_LBAR_GPIO, GRUB_CS5536_GPIO_REGS_SIZE);
+ set_io_space (dev, 2, GRUB_CS5536_LBAR_MFGPT, GRUB_CS5536_MFGPT_REGS_SIZE);
+ set_io_space (dev, 3, GRUB_CS5536_LBAR_IRQ_MAP, GRUB_CS5536_IRQ_MAP_REGS_SIZE);
+ set_io_space (dev, 4, GRUB_CS5536_LBAR_PM, GRUB_CS5536_PM_REGS_SIZE);
+ set_io_space (dev, 5, GRUB_CS5536_LBAR_ACPI, GRUB_CS5536_ACPI_REGS_SIZE);
+ set_iod (dev, 0, GRUB_CS5536_DESTINATION_IDE, GRUB_ATA_CH0_PORT1, 0xffff8);
+ set_iod (dev, 1, GRUB_CS5536_DESTINATION_ACC, GRUB_CS5536_LBAR_ACC, 0xfff80);
+ set_iod (dev, 2, GRUB_CS5536_DESTINATION_IDE, GRUB_CS5536_LBAR_IDE, 0xffff0);
+}
projects / grub2.git / blobdiff