Add support for Intel Poulsbo chipset. Signed-off-by: Adam Jurkowski <[email protected]>
Index: chipset_enable.c =================================================================== --- chipset_enable.c (revision 791) +++ chipset_enable.c (working copy) @@ -4,6 +4,7 @@ * Copyright (C) 2000 Silicon Integrated System Corporation * Copyright (C) 2005-2009 coresystems GmbH * Copyright (C) 2006 Uwe Hermann <[email protected]> + * Copyright (C) 2009 Kontron Modular Computers GmbH * * 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 @@ -399,6 +400,43 @@ return enable_flash_ich(dev, name, 0xdc); } +static int enable_flash_poulsbo(struct pci_dev *dev, const char *name) +{ + uint16_t old, new; + + /* + * Note: the ICH0-ICH5 BIOS_CNTL register is actually 16 bit wide, but + * just treating it as 8 bit wide seems to work fine in practice. + */ + old = pci_read_word(dev, 0xd8); + + printf_debug("BIOS Lock Enable: %sabled, ", + (old & (1 << 1)) ? "en" : "dis"); + printf_debug("BIOS Write Enable: %sabled, ", + (old & (1 << 0)) ? "en" : "dis"); + printf_debug("BIOS Prefetch Enable: %sabled, ", + (old & (1 << 8)) ? "en" : "dis"); + printf_debug("BIOS_CNTL is 0x%x\n", old); + + new = old | 1; + new &= ~(0x100); + + pci_write_word(dev, 0xd8, new); + + if (pci_read_word(dev, 0xd8) != new) { + printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n", 0xd8, new, name); + } + + old = pci_read_word(dev, 0xd6); + new = old |= 0xf000; + pci_write_word(dev, 0xd6, new); + + new = 0x0000; + pci_write_word(dev, 0xd2, new); + return 0; +} + + #define ICH_STRAP_RSVD 0x00 #define ICH_STRAP_SPI 0x01 #define ICH_STRAP_PCI 0x02 @@ -1139,6 +1177,7 @@ {0x8086, 0x7000, OK, "Intel", "PIIX3", enable_flash_piix4}, {0x8086, 0x7110, OK, "Intel", "PIIX4/4E/4M", enable_flash_piix4}, {0x8086, 0x122e, OK, "Intel", "PIIX", enable_flash_piix4}, + {0x8086, 0x8119, OK, "Intel", "Poulsbo", enable_flash_poulsbo}, {0x10de, 0x0030, OK, "NVIDIA", "nForce4/MCP4", enable_flash_nvidia_nforce2}, {0x10de, 0x0050, OK, "NVIDIA", "CK804", enable_flash_ck804}, /* LPC */ {0x10de, 0x0051, OK, "NVIDIA", "CK804", enable_flash_ck804}, /* Pro */
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