diff options
Diffstat (limited to 'src/mainboard/intel/wtm2')
| -rw-r--r-- | src/mainboard/intel/wtm2/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/intel/wtm2/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/mainboard/intel/wtm2/graphics.c | 83 | ||||
| -rw-r--r-- | src/mainboard/intel/wtm2/i915.c | 228 | ||||
| -rw-r--r-- | src/mainboard/intel/wtm2/intel_dp.c | 167 |
5 files changed, 0 insertions, 482 deletions
diff --git a/src/mainboard/intel/wtm2/Kconfig b/src/mainboard/intel/wtm2/Kconfig index 76ed4bfaf2..45a8666fd7 100644 --- a/src/mainboard/intel/wtm2/Kconfig +++ b/src/mainboard/intel/wtm2/Kconfig @@ -10,7 +10,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy select HAVE_SMI_HANDLER select MAINBOARD_HAS_CHROMEOS select MAINBOARD_HAS_LPC_TPM - select MAINBOARD_HAS_NATIVE_VGA_INIT select INTEL_INT15 config CHROMEOS diff --git a/src/mainboard/intel/wtm2/Makefile.inc b/src/mainboard/intel/wtm2/Makefile.inc index f1cf2594fc..16137462c9 100644 --- a/src/mainboard/intel/wtm2/Makefile.inc +++ b/src/mainboard/intel/wtm2/Makefile.inc @@ -15,9 +15,6 @@ romstage-y += chromeos.c ramstage-y += chromeos.c -ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += i915.c -ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += graphics.c -ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += intel_dp.c romstage-y += pei_data.c ramstage-y += pei_data.c diff --git a/src/mainboard/intel/wtm2/graphics.c b/src/mainboard/intel/wtm2/graphics.c deleted file mode 100644 index 46f8ff41e3..0000000000 --- a/src/mainboard/intel/wtm2/graphics.c +++ /dev/null @@ -1,83 +0,0 @@ -/* -* This file is part of the coreboot project. -* -* Copyright 2013 Google Inc. -* -* 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. -*/ -/* this file was for the most part machine generated, and in future - * will be all machine generated. Avoid editing. - */ -#include <console/console.h> -#include <drivers/intel/gma/i915.h> - -void graphics_register_reset(u32 aux_ctl, u32 aux_data, int verbose) -{ - - io_i915_write32(0x80000000,0x45400); - io_i915_write32(0x00000000,_CURACNTR); - io_i915_write32((/* PIPEA */0x0 << 24)|0x00000000,_DSPACNTR); - io_i915_write32(0x00000000,_DSPBCNTR); - io_i915_write32(0x80000000,CPU_VGACNTRL); - io_i915_write32(0x00000000,_DSPASIZE+0xc); - io_i915_write32(0x00000000,_DSPBSURF); - io_i915_write32(0x00000000,0x4f050); - io_i915_write32( DP_LINK_TRAIN_PAT_1 | DP_LINK_TRAIN_PAT_1_CPT | - DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0 | DP_PORT_WIDTH_1 | - DP_PLL_FREQ_270MHZ | DP_SCRAMBLING_DISABLE_IRONLAKE | - DP_SYNC_VS_HIGH |0x00000091,DP_A); - io_i915_write32(0x00200090,_FDI_RXA_MISC); - io_i915_write32(0x0a000000,_FDI_RXA_MISC); - /* not yet documented anywhere that we can find. */ - io_i915_write32(0x00000070,0x46408); - io_i915_write32(0x04000000,0x42090); - io_i915_write32(0x40000000,0x4f050); - io_i915_write32(0x00000000,0x9840); - io_i915_write32(0xa4000000,0x42090); - io_i915_write32(0x00004000,0x42080); - io_i915_write32(0x00ffffff,0x64f80); - io_i915_write32(0x0007000e,0x64f84); - io_i915_write32(0x00d75fff,0x64f88); - io_i915_write32(0x000f000a,0x64f8c); - io_i915_write32(0x00c30fff,0x64f90); - io_i915_write32(0x00060006,0x64f94); - io_i915_write32(0x00aaafff,0x64f98); - io_i915_write32(0x001e0000,0x64f9c); - io_i915_write32(0x00ffffff,0x64fa0); - io_i915_write32(0x000f000a,0x64fa4); - io_i915_write32(0x00d75fff,0x64fa8); - io_i915_write32(0x00160004,0x64fac); - io_i915_write32(0x00c30fff,0x64fb0); - io_i915_write32(0x001e0000,0x64fb4); - io_i915_write32(0x00ffffff,0x64fb8); - io_i915_write32(0x00060006,0x64fbc); - io_i915_write32(0x00d75fff,0x64fc0); - io_i915_write32(0x001e0000,0x64fc4); - io_i915_write32(0x00ffffff,0x64e00); - io_i915_write32(0x0006000e,0x64e04); - io_i915_write32(0x00d75fff,0x64e08); - io_i915_write32(0x0005000a,0x64e0c); - io_i915_write32(0x00c30fff,0x64e10); - io_i915_write32(0x00040006,0x64e14); - io_i915_write32(0x80aaafff,0x64e18); - io_i915_write32(0x000b0000,0x64e1c); - io_i915_write32(0x00ffffff,0x64e20); - io_i915_write32(0x0005000a,0x64e24); - io_i915_write32(0x00d75fff,0x64e28); - io_i915_write32(0x000c0004,0x64e2c); - io_i915_write32(0x80c30fff,0x64e30); - io_i915_write32(0x000b0000,0x64e34); - io_i915_write32(0x00ffffff,0x64e38); - io_i915_write32(0x00040006,0x64e3c); - io_i915_write32(0x80d75fff,0x64e40); - io_i915_write32(0x000b0000,0x64e44); - /* end not yet documented. */ - io_i915_write32(0x10000000,SDEISR+0x30); -} diff --git a/src/mainboard/intel/wtm2/i915.c b/src/mainboard/intel/wtm2/i915.c deleted file mode 100644 index 72273f8333..0000000000 --- a/src/mainboard/intel/wtm2/i915.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * 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. - */ - -#include <types.h> -#include <string.h> -#include <stdlib.h> -#include <device/device.h> -#include <device/device.h> -#include <device/pci_def.h> -#include <device/pci_ops.h> -#include <console/console.h> -#include <delay.h> -#include <pc80/mc146818rtc.h> -#include <arch/acpi.h> -#include <arch/io.h> -#include <arch/interrupt.h> -#include <boot/coreboot_tables.h> -#include <smbios.h> -#include <device/pci.h> -#include <ec/google/chromeec/ec.h> - -#include <cpu/x86/tsc.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/mtrr.h> -#include <cpu/x86/msr.h> -#include <edid.h> -#include <drivers/intel/gma/i915.h> - -/* how many bytes do we need for the framebuffer? - * Well, this gets messy. To get an exact answer, we have - * to ask the panel, but we'd rather zero the memory - * and set up the gtt while the panel powers up. So, - * we take a reasonable guess, secure in the knowledge that the - * MRC has to overestimate the number of bytes used. - * 8 MiB is a very safe guess. There may be a better way later, but - * fact is, the initial framebuffer is only very temporary. And taking - * a little long is ok; this is done much faster than the AUX - * channel is ready for IO. - */ -#define FRAME_BUFFER_BYTES (8*MiB) -/* how many 4096-byte pages do we need for the framebuffer? - * There are hard ways to get this, and easy ways: - * there are FRAME_BUFFER_BYTES/4096 pages, since pages are 4096 - * on this chip (and in fact every Intel graphics chip we've seen). - */ -#define FRAME_BUFFER_PAGES (FRAME_BUFFER_BYTES/(4096)) - -static int verbose = 0; - -static unsigned int *mmio; -static unsigned int graphics; -static unsigned short addrport; -static unsigned short dataport; -static unsigned int physbase; - -const u32 link_edid_data[] = { - 0xffffff00, 0x00ffffff, 0x0379e430, 0x00000000, - 0x04011500, 0x96121ba5, 0xa2d54f02, 0x26935259, - 0x00545017, 0x01010000, 0x01010101, 0x01010101, - 0x01010101, 0x6f6d0101, 0xa4a0a000, 0x20306031, - 0xb510003a, 0x19000010, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x4c00fe00, - 0x69442047, 0x616c7073, 0x20200a79, 0xfe000000, - 0x31504c00, 0x45513932, 0x50532d31, 0x24003141, -}; - -static int ioread = 0, iowrite = 0; - -static char *regname(unsigned long addr) -{ - static char name[16]; - snprintf(name, sizeof(name), "0x%lx", addr); - return name; -} - -unsigned long io_i915_read32(unsigned long addr) -{ - unsigned long val; - outl(addr, addrport); - val = inl(dataport); - ioread += 2; - if (verbose & vio)printk(BIOS_SPEW, "%s: Got %08lx\n", regname(addr), val); - return val; -} - -void io_i915_write32(unsigned long val, unsigned long addr) -{ - if (verbose & vio)printk(BIOS_SPEW, "%s: outl %08lx\n", regname(addr), val); - outl(addr, addrport); - outl(val, dataport); - iowrite += 2; -} - -/* GTT is the Global Translation Table for the graphics pipeline. - * It is used to translate graphics addresses to physical - * memory addresses. As in the CPU, GTTs map 4K pages. - * The setgtt function adds a further bit of flexibility: - * it allows you to set a range (the first two parameters) to point - * to a physical address (third parameter);the physical address is - * incremented by a count (fourth parameter) for each GTT in the - * range. - * Why do it this way? For ultrafast startup, - * we can point all the GTT entries to point to one page, - * and set that page to 0s: - * memset(physbase, 0, 4096); - * setgtt(0, 4250, physbase, 0); - * this takes about 2 ms, and is a win because zeroing - * the page takes a up to 200 ms. - * This call sets the GTT to point to a linear range of pages - * starting at physbase. - */ - -static void -setgtt(int start, int end, unsigned long base, int inc) -{ - int i; - - for(i = start; i < end; i++){ - u32 word = base + i*inc; - io_i915_write32(word|1,(i*4)|1); - } -} - -static unsigned long tickspermicrosecond = 1795; -static unsigned long long globalstart; - -static unsigned long -microseconds(unsigned long long start, unsigned long long end) -{ - unsigned long ret; - ret = ((end - start)/tickspermicrosecond); - return ret; -} - -static unsigned long globalmicroseconds(void) -{ - return microseconds(globalstart, rdtscll()); -} - -static int i915_init_done = 0; - -int i915lightup(unsigned int physbase, unsigned int iobase, unsigned int mmio, - unsigned int gfx); - -int i915lightup(unsigned int pphysbase, unsigned int piobase, - unsigned int pmmio, unsigned int pgfx) -{ - int must_cycle_power = 0; - - /* frame buffer pointer */ - u32 *l; - int i; - unsigned long before_gtt, after_gtt; - - mmio = (void *)pmmio; - addrport = piobase; - dataport = addrport + 4; - physbase = pphysbase; - graphics = pgfx; - printk(BIOS_SPEW, - "i915lightup: graphics %p mmio %p" - "addrport %04x physbase %08x\n", - (void *)graphics, mmio, addrport, physbase); - globalstart = rdtscll(); - - /* turn it on. The VBIOS does it this way, so we hope that's ok. */ - verbose = 0; - io_i915_write32(0xabcd000f, PCH_PP_CONTROL); - - /* the AUX channel needs a small amount of time to spin up. - * Rather than udelay, do some useful work: - * Zero out the frame buffer memory, - * and set the global translation table (GTT) - */ - printk(BIOS_SPEW, "Set not-White (%08x) for %d pixels\n", 0xffffff, - FRAME_BUFFER_BYTES/sizeof(u32)); - for(l = (u32 *)graphics, i = 0; - i < FRAME_BUFFER_BYTES/sizeof(u32); i++){ - l[i] = 0x1122ff; - } - printk(BIOS_SPEW, "GTT: set %d pages starting at %p\n", - FRAME_BUFFER_PAGES, (void *)physbase); - before_gtt = globalmicroseconds(); - setgtt(0, FRAME_BUFFER_PAGES, physbase, 4096); - after_gtt = globalmicroseconds(); - - /* The reset is basically harmless, and can be - * repeated by the VBIOS in any event. - */ - - graphics_register_reset(DPA_AUX_CH_CTL, DPA_AUX_CH_DATA1, verbose); - - /* failures after this point can return without - * powering off the panel. - */ - - if (1) - goto fail; - /* failures after this point MUST power off the panel - * and wait 600 ms. - */ - - i915_init_done = 1; - return i915_init_done; - -fail: - printk(BIOS_SPEW, "Graphics could not be started;"); - if (must_cycle_power){ - printk(BIOS_SPEW, "Turn off power and wait ..."); - io_i915_write32(0xabcd0000, PCH_PP_CONTROL); - udelay(600000); - } - printk(BIOS_SPEW, "Returning.\n"); - return 0; - -} diff --git a/src/mainboard/intel/wtm2/intel_dp.c b/src/mainboard/intel/wtm2/intel_dp.c deleted file mode 100644 index b38994622f..0000000000 --- a/src/mainboard/intel/wtm2/intel_dp.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * Copyright © 2008 Intel Corporation - * - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Keith Packard <keithp@keithp.com> - * - */ - -#include <console/console.h> -#include <stdint.h> -#include <delay.h> -#include <drivers/intel/gma/i915.h> - -u32 -pack_aux(u32 *src32, int src_bytes) -{ - u8 *src = (u8 *)src32; - int i; - u32 v = 0; - - if (src_bytes > 4) - src_bytes = 4; - for (i = 0; i < src_bytes; i++) - v |= ((u32) src[i]) << ((3-i) * 8); - return v; -} - -void -unpack_aux(u32 src, u8 *dst, int dst_bytes) -{ - - int i; - if (dst_bytes > 4) - dst_bytes = 4; - for (i = 0; i < dst_bytes; i++) - dst[i] = src >> ((3-i) * 8); -} - -int -intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes, - u8 *recv, int recv_size) -{ - int i; - int recv_bytes; - u32 status; - u32 aux_clock_divider; - int try, precharge = 5; - - /* The clock divider is based off the hrawclk, - * and would like to run at 2MHz. So, take the - * hrawclk value and divide by 2 and use that - * - * Note that PCH attached eDP panels should use a 125MHz input - * clock divider. - */ - /* 200 on link */ - aux_clock_divider = 200; /* SNB & IVB eDP input clock at 400Mhz */ - - /* Try to wait for any previous AUX channel activity */ - for (try = 0; try < 3; try++) { - status = io_i915_read32(ch_ctl); - if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0) - break; - udelay(1000); - } - - if (try == 3) { - printk(BIOS_SPEW, "[000000.0] [drm:%s], ", __func__); - status = io_i915_read32(ch_ctl); - printk(BIOS_SPEW, "dp_aux_ch not started status 0x%08x\n", - status); - return -1; - } - - /* Must try at least 3 times according to DP spec */ - for (try = 0; try < 5; try++) { - /* Load the send data into the aux channel data registers */ - for (i = 0; i < send_bytes; i += 4) - io_i915_write32(send[i], ch_data + i); - - /* Send the command and wait for it to complete */ - io_i915_write32( - DP_AUX_CH_CTL_SEND_BUSY | - DP_AUX_CH_CTL_TIME_OUT_400us | - (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) | - (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) | - DP_AUX_CH_CTL_DONE | - DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_RECEIVE_ERROR, ch_ctl); - for (;;) { - status = io_i915_read32(ch_ctl); - if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0) - break; - udelay(100); - } - - /* Clear done status and any errors */ - io_i915_write32( - status | - DP_AUX_CH_CTL_DONE | - DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_RECEIVE_ERROR, ch_ctl); - - if (status & (DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_RECEIVE_ERROR)) - continue; - if (status & DP_AUX_CH_CTL_DONE) - break; - } - - if ((status & DP_AUX_CH_CTL_DONE) == 0) { - printk(BIOS_SPEW, "[000000.0] [drm:%s], ", __func__); - printk(BIOS_SPEW, "dp_aux_ch not done status 0x%08x\n", status); - return -1; - } - - /* Check for timeout or receive error. - * Timeouts occur when the sink is not connected - */ - if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) { - printk(BIOS_SPEW, "[000000.0] [drm:%s], ", __func__); - printk(BIOS_SPEW, "dp_aux_ch receive error status 0x%08x\n", status); - return -1; - } - - /* Timeouts occur when the device isn't connected, so they're - * "normal" -- don't fill the kernel log with these */ - if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) { - printk(BIOS_SPEW, "[000000.0] [drm:%s], ", __func__); - printk(BIOS_SPEW, "dp_aux_ch timeout status 0x%08x\n", status); - return -1; - } - - /* Unload any bytes sent back from the other side */ - recv_bytes = ((status & DP_AUX_CH_CTL_MESSAGE_SIZE_MASK) >> - DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT); - if (recv_bytes > recv_size) - recv_bytes = recv_size; - - for (i = 0; i < recv_bytes; i += 4) - unpack_aux(io_i915_read32(ch_data + i), - recv + i, recv_bytes - i); - - return recv_bytes; -} |