src/northbridge/amd/amdk8/setup_resource_map.c

#include "amdk8.h"

#define RES_DEBUG 0

void setup_resource_map_offset(const unsigned int *register_values, int max, unsigned offset_pci_dev, unsigned offset_io_base)
{
	int i;
#if RES_DEBUG
	printk(BIOS_DEBUG, "setting up resource map offset....\n");
#endif
	for(i = 0; i < max; i += 3) {
		device_t dev;
		unsigned where;
		unsigned long reg = 0;
#if RES_DEBUG
		prink_debug("%08x <- %08x\n", register_values[i] +  offset_pci_dev, register_values[i+2]);
#endif
		dev = (register_values[i] & ~0xfff) + offset_pci_dev;
		where = register_values[i] & 0xfff;
		if (register_values[i+1])
			reg = pci_read_config32(dev, where);
		reg &= register_values[i+1];
		reg |= register_values[i+2] + offset_io_base;
		pci_write_config32(dev, where, reg);
#if 0
		reg = pci_read_config32(register_values[i]);
		reg &= register_values[i+1];
		reg |= register_values[i+2] & ~register_values[i+1];
		pci_write_config32(register_values[i], reg);
#endif
	}
#if RES_DEBUG
	printk(BIOS_DEBUG, "done.\n");
#endif
}

#define RES_PCI_IO 0x10
#define RES_PORT_IO_8 0x22
#define RES_PORT_IO_32 0x20
#define RES_MEM_IO 0x40

static void setup_resource_map_x_offset(const unsigned int *register_values, int max, unsigned offset_pci_dev, unsigned offset_io_base)
{
	int i;

#if RES_DEBUG
	printk(BIOS_DEBUG, "setting up resource map ex offset....\n");
#endif
	for(i = 0; i < max; i += 4) {
#if RES_DEBUG
		printk(BIOS_DEBUG, "%04x: %02x %08x <- & %08x | %08x\n",
			i>>2, register_values[i],
			register_values[i+1] + ( (register_values[i]==RES_PCI_IO) ? offset_pci_dev : 0),
			register_values[i+2],
			register_values[i+3] + ( ( (register_values[i] & RES_PORT_IO_32) == RES_PORT_IO_32) ? offset_io_base : 0)
			);
#endif
		switch (register_values[i]) {
		case RES_PCI_IO: //PCI
			{
			device_t dev;
			unsigned where;
			unsigned long reg = 0;
			dev = (register_values[i+1] & ~0xfff) + offset_pci_dev;
			where = register_values[i+1] & 0xfff;
			if (register_values[i+2])
				reg = pci_read_config32(dev, where);
			reg &= register_values[i+2];
			reg |= register_values[i+3];
			pci_write_config32(dev, where, reg);
			}
			break;
		case RES_PORT_IO_8: // io 8
			{
			unsigned where;
			unsigned reg = 0;
			where = register_values[i+1] + offset_io_base;
			if (register_values[i+2])
				reg = inb(where);
			reg &= register_values[i+2];
			reg |= register_values[i+3];
			outb(reg, where);
			}
			break;
		case RES_PORT_IO_32:  //io32
			{
			unsigned where;
			unsigned long reg = 0;
			where = register_values[i+1] + offset_io_base;
			if (register_values[i+2])
				reg = inl(where);
			reg &= register_values[i+2];
			reg |= register_values[i+3];
			outl(reg, where);
			}
			break;
#if 0
		case RES_MEM_IO: //mem
			{
			unsigned where;
			unsigned long reg;
			where = register_values[i+1];
			reg = read32(where);
			reg &= register_values[i+2];
			reg |= register_values[i+3];
			write32( where, reg);
			}
			break;
#endif

		} // switch


	}

#if RES_DEBUG
	printk(BIOS_DEBUG, "done.\n");
#endif
}

static inline void setup_resource_map_x(const unsigned int *register_values, int max)
{
	setup_resource_map_x_offset(register_values, max, 0, 0);
}

#if 0
static void setup_io_resource_map(const unsigned int *register_values, int max)
{
	int i;

	for(i = 0; i < max; i += 3) {
		unsigned where;
		unsigned long reg;

		where = register_values[i];
#if 0
		udelay(2000);
		printk(BIOS_DEBUG, "%04x", where);
#endif

		reg = inl(where);
#if 0
		udelay(2000);
		printk(BIOS_DEBUG, "=%08x", reg);
#endif
		reg &= register_values[i+1];
		reg |= register_values[i+2];

#if 0
		udelay(2000);
		printk(BIOS_DEBUG, " <-  %08x", reg);
#endif
		outl(reg, where);
#if 0
		udelay(2000);
		reg = inl(where);
		printk(BIOS_DEBUG, " ->  %08x\n", reg);
#endif
	}
}

static void setup_mem_resource_map(const unsigned int *register_values, int max)
{
	int i;

	for(i = 0; i < max; i += 3) {
		unsigned where;
		unsigned long reg;
#if 0
		prink(BIOS_DEBUG, "%08x <-  %08x\n",
			register_values[i], register_values[i+2]);
#endif
		where = register_values[i];
		reg = read32(where);
		reg &= register_values[i+1];
		reg |= register_values[i+2];
		write32( where, reg);
#if 0
		reg = read32(where);
		prink(BIOS_DEBUG, " RB %08x\n", reg);
#endif
	}
}
#endif