diff options
Diffstat (limited to 'src/mainboard/amd/solo/mainboard.c')
| -rw-r--r-- | src/mainboard/amd/solo/mainboard.c | 118 |
1 files changed, 115 insertions, 3 deletions
diff --git a/src/mainboard/amd/solo/mainboard.c b/src/mainboard/amd/solo/mainboard.c index b8b8d6c3f2..6578ef606f 100644 --- a/src/mainboard/amd/solo/mainboard.c +++ b/src/mainboard/amd/solo/mainboard.c @@ -1,6 +1,14 @@ -#if 0 -#include <printk.h> -#endif +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> + + +unsigned long initial_apicid[MAX_CPUS] = +{ + 0 +}; void mainboard_fixup(void) @@ -23,3 +31,107 @@ final_mainboard_fixup(void) //#endif #endif } + +struct ioapicreg { + unsigned int reg; + unsigned int value_low, value_high; +}; +static struct ioapicreg ioapicregvalues[] = { +#define ALL (0xff << 24) +#define NONE (0) +#define DISABLED (1 << 16) +#define ENABLED (0 << 16) +#define TRIGGER_EDGE (0 << 15) +#define TRIGGER_LEVEL (1 << 15) +#define POLARITY_HIGH (0 << 13) +#define POLARITY_LOW (1 << 13) +#define PHYSICAL_DEST (0 << 11) +#define LOGICAL_DEST (1 << 11) +#define ExtINT (7 << 8) +#define NMI (4 << 8) +#define SMI (2 << 8) +#define INT (1 << 8) + /* mask, trigger, polarity, destination, delivery, vector */ + {0x00, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT | 0, 0}, + {0x01, DISABLED, NONE}, + {0x02, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | INT | 0, 0}, + {0x03, DISABLED, NONE}, + {0x04, DISABLED, NONE}, + {0x05, DISABLED, NONE}, + {0x06, DISABLED, NONE}, + {0x07, DISABLED, NONE}, + {0x08, DISABLED, NONE}, + {0x09, DISABLED, NONE}, + {0x0a, DISABLED, NONE}, + {0x0b, DISABLED, NONE}, + {0x0c, DISABLED, NONE}, + {0x0d, DISABLED, NONE}, + {0x0e, DISABLED, NONE}, + {0x0f, DISABLED, NONE}, + {0x10, DISABLED, NONE}, + {0x11, DISABLED, NONE}, + {0x12, DISABLED, NONE}, + {0x13, DISABLED, NONE}, + {0x14, DISABLED, NONE}, + {0x14, DISABLED, NONE}, + {0x15, DISABLED, NONE}, + {0x16, DISABLED, NONE}, + {0x17, DISABLED, NONE}, + {0x18, DISABLED, NONE}, + {0x19, DISABLED, NONE}, + {0x20, DISABLED, NONE}, + {0x21, DISABLED, NONE}, + {0x22, DISABLED, NONE}, + {0x23, DISABLED, NONE}, +}; + +static void setup_ioapic(void) +{ + int i; + unsigned long value_low, value_high; + unsigned long ioapic_base = 0xfec00000; + volatile unsigned long *l; + struct ioapicreg *a = ioapicregvalues; + + l = (unsigned long *) ioapic_base; + for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]); + i++, a++) { + l[0] = (a->reg * 2) + 0x10; + l[4] = a->value_low; + value_low = l[4]; + l[0] = (a->reg *2) + 0x11; + l[4] = a->value_high; + value_high = l[4]; + if ((i==0) && (value_low == 0xffffffff)) { + printk_warning("IO APIC not responding.\n"); + return; + } + printk_spew("for IRQ, reg 0x%08x value 0x%08x 0x%08x\n", + a->reg, a->value_low, a->value_high); + } +} + +static void lpc_init(struct device *dev) +{ + uint8_t byte; + printk_debug("lpc_init\n"); +#if 0 + pci_read_config_byte(dev, 0x4B, &byte); + byte |= 1; + pci_write_config_byte(dev, 0x4B, byte); + setup_ioapic(); +#endif +} + +static struct device_operations lpc_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .init = lpc_init, + .scan_bus = 0, +}; + +static struct pci_driver lpc_driver __pci_driver = { + .ops = &lpc_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = 0x7468, +}; |