* PMBASE dumping now knows the registers. * Add support for i965, i975, ICH8M * Add support for Darwin OS using DirectIO Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3794 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
		
			
				
	
	
		
			170 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			170 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * inteltool - dump all registers on an Intel CPU + chipset based system.
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|  *
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|  * Copyright (C) 2008 by coresystems GmbH 
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|  * 
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; version 2 of the License.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  */
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| 
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| #include <stdio.h>
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| #include "inteltool.h"
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| 
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| static const io_register_t ich0_gpio_registers[] = {
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| 	{ 0x00, 4, "GPIO_USE_SEL" },
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| 	{ 0x04, 4, "GP_IO_SEL" },
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| 	{ 0x08, 4, "RESERVED" },
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| 	{ 0x0c, 4, "GP_LVL" },
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| 	{ 0x10, 4, "RESERVED" },
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| 	{ 0x14, 4, "GPO_TTL" },
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| 	{ 0x18, 4, "GPO_BLINK" },
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| 	{ 0x1c, 4, "RESERVED" },
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| 	{ 0x20, 4, "RESERVED" },
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| 	{ 0x24, 4, "RESERVED" },
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| 	{ 0x28, 4, "RESERVED" },
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| 	{ 0x2c, 4, "GPI_INV" },
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| 	{ 0x30, 4, "RESERVED" },
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| 	{ 0x34, 4, "RESERVED" },
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| 	{ 0x38, 4, "RESERVED" },
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| 	{ 0x3C, 4, "RESERVED" }
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| };
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| 
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| static const io_register_t ich4_gpio_registers[] = {
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| 	{ 0x00, 4, "GPIO_USE_SEL" },
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| 	{ 0x04, 4, "GP_IO_SEL" },
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| 	{ 0x08, 4, "RESERVED" },
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| 	{ 0x0c, 4, "GP_LVL" },
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| 	{ 0x10, 4, "RESERVED" },
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| 	{ 0x14, 4, "GPO_TTL" },
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| 	{ 0x18, 4, "GPO_BLINK" },
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| 	{ 0x1c, 4, "RESERVED" },
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| 	{ 0x20, 4, "RESERVED" },
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| 	{ 0x24, 4, "RESERVED" },
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| 	{ 0x28, 4, "RESERVED" },
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| 	{ 0x2c, 4, "GPI_INV" },
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| 	{ 0x30, 4, "GPIO_USE_SEL2" },
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| 	{ 0x34, 4, "GP_IO_SEL2" },
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| 	{ 0x38, 4, "GP_LVL2" },
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| 	{ 0x3C, 4, "RESERVED" }
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| };
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| 
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| static const io_register_t ich7_gpio_registers[] = {
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| 	{ 0x00, 4, "GPIO_USE_SEL" },
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| 	{ 0x04, 4, "GP_IO_SEL" },
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| 	{ 0x08, 4, "RESERVED" },
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| 	{ 0x0c, 4, "GP_LVL" },
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| 	{ 0x10, 4, "RESERVED" },
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| 	{ 0x14, 4, "RESERVED" },
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| 	{ 0x18, 4, "GPO_BLINK" },
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| 	{ 0x1c, 4, "RESERVED" },
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| 	{ 0x20, 4, "RESERVED" },
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| 	{ 0x24, 4, "RESERVED" },
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| 	{ 0x28, 4, "RESERVED" },
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| 	{ 0x2c, 4, "GPI_INV" },
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| 	{ 0x30, 4, "GPIO_USE_SEL2" },
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| 	{ 0x34, 4, "GP_IO_SEL2" },
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| 	{ 0x38, 4, "GP_LVL2" },
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| 	{ 0x3C, 4, "RESERVED" }
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| };
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| 
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| static const io_register_t ich8_gpio_registers[] = {
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| 	{ 0x00, 4, "GPIO_USE_SEL" },
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| 	{ 0x04, 4, "GP_IO_SEL" },
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| 	{ 0x08, 4, "RESERVED" },
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| 	{ 0x0c, 4, "GP_LVL" },
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| 	{ 0x10, 4, "GPIO_USE_SEL Override (LOW)" },
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| 	{ 0x14, 4, "RESERVED" },
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| 	{ 0x18, 4, "GPO_BLINK" },
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| 	{ 0x1c, 4, "GP_SER_BLINK" },
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| 	{ 0x20, 4, "GP_SB_CMDSTS" },
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| 	{ 0x24, 4, "GP_SB_DATA" },
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| 	{ 0x28, 4, "RESERVED" },
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| 	{ 0x2c, 4, "GPI_INV" },
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| 	{ 0x30, 4, "GPIO_USE_SEL2" },
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| 	{ 0x34, 4, "GP_IO_SEL2" },
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| 	{ 0x38, 4, "GP_LVL2" },
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| 	{ 0x3C, 4, "GPIO_USE_SEL Override (HIGH)" }
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| };
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| 
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| 
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| int print_gpios(struct pci_dev *sb)
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| {
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| 	int i, size;
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| 	uint16_t gpiobase;
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| 	const io_register_t *gpio_registers;
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| 
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| 	printf("\n============= GPIOS =============\n\n");
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| 
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| 	switch (sb->device_id) {
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| 	case PCI_DEVICE_ID_INTEL_ICH8M:
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| 		gpiobase = pci_read_word(sb, 0x48) & 0xfffc;
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| 		gpio_registers = ich8_gpio_registers;
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| 		size = ARRAY_SIZE(ich8_gpio_registers);
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_ICH7:
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| 	case PCI_DEVICE_ID_INTEL_ICH7M:
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| 	case PCI_DEVICE_ID_INTEL_ICH7DH:
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| 	case PCI_DEVICE_ID_INTEL_ICH7MDH:
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| 		gpiobase = pci_read_word(sb, 0x48) & 0xfffc;
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| 		gpio_registers = ich7_gpio_registers;
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| 		size = ARRAY_SIZE(ich7_gpio_registers);
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_ICH4:
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| 	case PCI_DEVICE_ID_INTEL_ICH4M:
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| 		gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
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| 		gpio_registers = ich4_gpio_registers;
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| 		size = ARRAY_SIZE(ich4_gpio_registers);
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| 		break;
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| 	case PCI_DEVICE_ID_INTEL_ICH:
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| 	case PCI_DEVICE_ID_INTEL_ICH0:
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| 		gpiobase = pci_read_word(sb, 0x58) & 0xfffc;
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| 		gpio_registers = ich0_gpio_registers;
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| 		size = ARRAY_SIZE(ich0_gpio_registers);
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| 		break;
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| 	case 0x1234: // Dummy for non-existent functionality
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| 		printf("This southbridge does not have GPIOBASE.\n");
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| 		return 1;
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| 	default:
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| 		printf("Error: Dumping GPIOs on this southbridge is not (yet) supported.\n");
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| 		return 1;
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| 	}
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| 
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| 	printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase);
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| 
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| 	for (i = 0; i < size; i++) {
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| 		switch (gpio_registers[i].size) {
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| 		case 4:
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| 			printf("gpiobase+0x%04x: 0x%08x (%s)\n",
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| 				gpio_registers[i].addr,
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| 				inl(gpiobase+gpio_registers[i].addr),
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| 				gpio_registers[i].name);
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| 			break;
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| 		case 2:
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| 			printf("gpiobase+0x%04x: 0x%04x     (%s)\n",
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| 				gpio_registers[i].addr,
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| 				inw(gpiobase+gpio_registers[i].addr),
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| 				gpio_registers[i].name);
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| 			break;
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| 		case 1:
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| 			printf("gpiobase+0x%04x: 0x%02x       (%s)\n",
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| 				gpio_registers[i].addr,
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| 				inb(gpiobase+gpio_registers[i].addr),
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| 				gpio_registers[i].name);
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| 			break;
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| 		}
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| 	}
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| 
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| 	return 0;
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| }
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| 
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