diff options
Diffstat (limited to 'src/southbridge/dec')
| -rw-r--r-- | src/southbridge/dec/21143/21143.c | 70 | ||||
| -rw-r--r-- | src/southbridge/dec/21143/Kconfig | 2 | ||||
| -rw-r--r-- | src/southbridge/dec/21143/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/southbridge/dec/Kconfig | 1 | ||||
| -rw-r--r-- | src/southbridge/dec/Makefile.inc | 1 |
5 files changed, 76 insertions, 0 deletions
diff --git a/src/southbridge/dec/21143/21143.c b/src/southbridge/dec/21143/21143.c new file mode 100644 index 0000000000..62567c8038 --- /dev/null +++ b/src/southbridge/dec/21143/21143.c @@ -0,0 +1,70 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Marc Bertens <mbertens@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/device.h> +#include <device/pci_def.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <console/console.h> + +/** + * The following should be set in the mainboard-specific Kconfig file. + */ +#if (!defined(CONFIG_DEC21143_CACHE_LINE_SIZE) || \ + !defined(CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS) || \ + !defined(CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION)) +#error "you must supply these values in your mainboard-specific Kconfig file" +#endif + +/* CONFIG_DEC21143_CACHE_LINE_SIZE try 0x00000000 if unsure */ +/* CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS try 0x00000000 if unsure */ +/* CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION try 0x02800107 or 0x02800007 if unsure */ + +/** + * This driver take the values from Kconfig and load them in the registers + */ +static void dec_21143_enable( device_t dev ) +{ + printk( BIOS_DEBUG, "Init of DECchip 21143 Kconfig style\n"); + // Command and Status Configuration Register (Offset 0x04) + pci_write_config32( dev, 0x04, CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION ); + printk( BIOS_DEBUG, "0x04 = %08x (07 01 80 02)\n", pci_read_config32(dev, 0x04) ); + // Cache Line Size Register (Offset 0x0C) + pci_write_config8( dev, 0x0C, CONFIG_DEC21143_CACHE_LINE_SIZE ); + printk( BIOS_DEBUG, "0x0c = %08x (00 80 00 00)\n", pci_read_config32(dev, 0x0C) ); + // Expansion ROM Base Address Register (Offset 0x30) + pci_write_config32( dev, 0x30, CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS ); + printk( BIOS_DEBUG, "0x30 = %08x (0x00000000)\n", pci_read_config32(dev, 0x30) ); + return; +} + +static struct device_operations dec_21143_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = dec_21143_enable, + .scan_bus = 0, +}; + +static const struct pci_driver dec_21143_driver __pci_driver = { + .ops = &dec_21143_ops, + .vendor = PCI_VENDOR_ID_DEC, + .device = PCI_DEVICE_ID_DEC_21142, +}; diff --git a/src/southbridge/dec/21143/Kconfig b/src/southbridge/dec/21143/Kconfig new file mode 100644 index 0000000000..bd6bc6787f --- /dev/null +++ b/src/southbridge/dec/21143/Kconfig @@ -0,0 +1,2 @@ +config SOUTHBRIDGE_DEC_21143 + bool diff --git a/src/southbridge/dec/21143/Makefile.inc b/src/southbridge/dec/21143/Makefile.inc new file mode 100644 index 0000000000..a0a84837ba --- /dev/null +++ b/src/southbridge/dec/21143/Makefile.inc @@ -0,0 +1,2 @@ +driver-y += 21143.o + diff --git a/src/southbridge/dec/Kconfig b/src/southbridge/dec/Kconfig new file mode 100644 index 0000000000..acca5e54ed --- /dev/null +++ b/src/southbridge/dec/Kconfig @@ -0,0 +1 @@ +source src/southbridge/dec/21143/Kconfig diff --git a/src/southbridge/dec/Makefile.inc b/src/southbridge/dec/Makefile.inc new file mode 100644 index 0000000000..1e75f34316 --- /dev/null +++ b/src/southbridge/dec/Makefile.inc @@ -0,0 +1 @@ +subdirs-$(CONFIG_SOUTHBRIDGE_DEC_21143) += 21143 |