diff options
Diffstat (limited to 'src/northbridge/intel/gm45/thermal.c')
| -rw-r--r-- | src/northbridge/intel/gm45/thermal.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/northbridge/intel/gm45/thermal.c b/src/northbridge/intel/gm45/thermal.c new file mode 100644 index 0000000000..a74bcc5e61 --- /dev/null +++ b/src/northbridge/intel/gm45/thermal.c @@ -0,0 +1,201 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * + * 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; version 2 of + * the License. + * + * 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 <stdint.h> +#include <stddef.h> +#include <string.h> +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <device/pci_def.h> +#include <device/pnp_def.h> +#include <spd.h> +#include <console/console.h> +#include "delay.h" + +#include "gm45.h" + +void raminit_thermal(const sysinfo_t *sysinfo) +{ + const mem_clock_t freq = sysinfo->selected_timings.mem_clock; + int x; + FOR_EACH_POPULATED_CHANNEL(sysinfo->dimms, x) { + const chip_width_t width = sysinfo->dimms[x].chip_width; + const chip_capacity_t size = sysinfo->dimms[x].chip_capacity; + if ((freq == MEM_CLOCK_1067MT) && (width == CHIP_WIDTH_x16)) { + MCHBAR32(CxDTPEW(x)) = 0x0d0b0403; + MCHBAR32(CxDTPEW(x)+4) = 0x060d; + MCHBAR32(CxDTAEW(x)) = 0x2d0b221a; + MCHBAR32(CxDTAEW(x)+4) = 0xc779956e; + } else + if ((freq == MEM_CLOCK_1067MT) && (width == CHIP_WIDTH_x8)) { + MCHBAR32(CxDTPEW(x)) = 0x06040101; + MCHBAR32(CxDTPEW(x)+4) = 0x0506; + if (size == CHIP_CAP_2G) + MCHBAR32(CxDTAEW(x)) = 0xa1071416; + else + MCHBAR32(CxDTAEW(x)) = 0x1a071416; + MCHBAR32(CxDTAEW(x)+4) = 0x7246643f; + } else + if ((freq == MEM_CLOCK_800MT) && (width == CHIP_WIDTH_x16)) { + MCHBAR32(CxDTPEW(x)) = 0x06030100; + MCHBAR32(CxDTPEW(x)+4) = 0x0506; + MCHBAR32(CxDTAEW(x)) = 0x3e081714; + MCHBAR32(CxDTAEW(x)+4) = 0xbb79a171; + } else + if ((freq == MEM_CLOCK_800MT) && (width == CHIP_WIDTH_x8)) { + if (size <= CHIP_CAP_512M) + MCHBAR32(CxDTPEW(x)) = 0x05050101; + else + MCHBAR32(CxDTPEW(x)) = 0x05060101; + MCHBAR32(CxDTPEW(x)+4) = 0x0503; + if (size == CHIP_CAP_2G) { + MCHBAR32(CxDTAEW(x)) = 0x57051010; + MCHBAR32(CxDTAEW(x)+4) = 0x5fd15dde; + } else + if (size == CHIP_CAP_1G) { + MCHBAR32(CxDTAEW(x)) = 0x3306130e; + MCHBAR32(CxDTAEW(x)+4) = 0x5763485d; + } else + if (size <= CHIP_CAP_512M) { + MCHBAR32(CxDTAEW(x)) = 0x1e08170d; + MCHBAR32(CxDTAEW(x)+4) = 0x502f3827; + } + } else + if ((freq == MEM_CLOCK_667MT) && (width == CHIP_WIDTH_x16)) { + MCHBAR32(CxDTPEW(x)) = 0x02000000; + MCHBAR32(CxDTPEW(x)+4) = 0x0402; + MCHBAR32(CxDTAEW(x)) = 0x46061111; + MCHBAR32(CxDTAEW(x)+4) = 0xb579a772; + } else + if ((freq == MEM_CLOCK_667MT) && (width == CHIP_WIDTH_x8)) { + MCHBAR32(CxDTPEW(x)) = 0x04070101; + MCHBAR32(CxDTPEW(x)+4) = 0x0501; + if (size == CHIP_CAP_2G) { + MCHBAR32(CxDTAEW(x)) = 0x32040e0d; + MCHBAR32(CxDTAEW(x)+4) = 0x55ff59ff; + } else + if (size == CHIP_CAP_1G) { + MCHBAR32(CxDTAEW(x)) = 0x3f05120a; + MCHBAR32(CxDTAEW(x)+4) = 0x49713a6c; + } else + if (size <= CHIP_CAP_512M) { + MCHBAR32(CxDTAEW(x)) = 0x20081808; + MCHBAR32(CxDTAEW(x)+4) = 0x3f23221b; + } + } + + /* also L-Shaped */ + if (sysinfo->selected_timings.channel_mode == + CHANNEL_MODE_DUAL_INTERLEAVED) { + if (freq == MEM_CLOCK_1067MT) { + MCHBAR32(CxGTEW(x)) = 0xc8f81717; + } else + if (freq == MEM_CLOCK_800MT) { + MCHBAR32(CxGTEW(x)) = 0x96ba1717; + } else + if (freq == MEM_CLOCK_667MT) { + MCHBAR32(CxGTEW(x)) = 0x7d9b1717; + } + } else { + if (freq == MEM_CLOCK_1067MT) { + MCHBAR32(CxGTEW(x)) = 0x53661717; + } else + if (freq == MEM_CLOCK_800MT) { + MCHBAR32(CxGTEW(x)) = 0x886e1717; + } else + if (freq == MEM_CLOCK_667MT) { + MCHBAR32(CxGTEW(x)) = 0x38621717; + } + } + } + + // always? + MCHBAR32(CxDTC(0)) = 0x00004020; + MCHBAR32(CxDTC(1)) = 0x00004020; + MCHBAR32(CxGTC(0)) = 0x00304848; + MCHBAR32(CxGTC(1)) = 0x00304848; + + /* enable thermal sensors */ + u32 tmp; + tmp = MCHBAR32(0x1290) & 0xfff8; + MCHBAR32(0x1290) = tmp | 0xa4810007; + tmp = MCHBAR32(0x1390) & 0xfff8; + MCHBAR32(0x1390) = tmp | 0xa4810007; + tmp = MCHBAR32(0x12b4) & 0xfff8; + MCHBAR32(0x12b4) = tmp | 0xa2810007; + tmp = MCHBAR32(0x13b4) & 0xfff8; + MCHBAR32(0x13b4) = tmp | 0xa2810007; + MCHBAR8(0x1070) = 1; + MCHBAR8(0x1080) = 6; + if (sysinfo->gfx_type == GMCH_PM45) { + MCHBAR16(0x1001) = 0; + MCHBAR8(0x1007) = 0; + MCHBAR32(0x1010) = 0; + MCHBAR32(0x1014) = 0; + MCHBAR8(0x101c) = 0x98; + MCHBAR16(0x1041) = 0x9200; + MCHBAR8(0x1047) = 0; + MCHBAR32(0x1050) = 0x2309; + MCHBAR32(0x1054) = 0; + MCHBAR8(0x105c) = 0x98; + } else { + MCHBAR16(0x1001) = 0x9200; + MCHBAR8(0x1007) = 0; + MCHBAR32(0x1010) = 0x2309; + MCHBAR32(0x1014) = 0; + MCHBAR8(0x101c) = 0x98; + MCHBAR16(0x1041) = 0; + MCHBAR8(0x1047) = 0; + MCHBAR32(0x1050) = 0; + MCHBAR32(0x1054) = 0; + MCHBAR8(0x105c) = 0x98; + } + + MCHBAR32(0x1010) |= 1 << 31; + MCHBAR32(0x1050) |= 1 << 31; + MCHBAR32(CxGTC(0)) |= 1 << 31; + MCHBAR32(CxGTC(1)) |= 1 << 31; + + if (sysinfo->gs45_low_power_mode) { + MCHBAR32(0x11b0) = 0xa000083a; + } else if (sysinfo->gfx_type == GMCH_GM49) { + MCHBAR32(0x11b0) = 0x2000383a; + MCHBAR16(0x1190) &= ~(1 << 15); + } else if ((sysinfo->gfx_type != GMCH_PM45) && + (sysinfo->gfx_type != GMCH_UNKNOWN)) { + MCHBAR32(0x11b0) = 0xa000383a; + } + + switch (sysinfo->selected_timings.fsb_clock) { + case FSB_CLOCK_667MHz: + MCHBAR32(0x11d0) = 0x0fd88000; + break; + case FSB_CLOCK_800MHz: + MCHBAR32(0x11d0) = 0x1303c000; + break; + case FSB_CLOCK_1067MHz: + MCHBAR32(0x11d0) = 0x194a0000; + break; + } + tmp = MCHBAR32(0x11d4) & ~0x1f; + MCHBAR32(0x11d4) = tmp | 4; +} + |