diff options
Diffstat (limited to 'src/mainboard/lenovo/x60/i915.c')
| -rw-r--r-- | src/mainboard/lenovo/x60/i915.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/src/mainboard/lenovo/x60/i915.c b/src/mainboard/lenovo/x60/i915.c deleted file mode 100644 index 8fbd2a14fc..0000000000 --- a/src/mainboard/lenovo/x60/i915.c +++ /dev/null @@ -1,373 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 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. - * - * 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 <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 <southbridge/intel/bd82x6x/pch.h> -#include <smbios.h> -#include <device/pci.h> -#include <ec/google/chromeec/ec.h> -#include <cbfs_core.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 "i915io.h" - -enum { - vmsg = 1, vio = 2, vspin = 4, -}; - -#define PGETLB_CTL 0x2020 - -static int verbose = 0; - -static unsigned int *mmio; -static unsigned int graphics; -static unsigned short addrport; -static unsigned short dataport; -static unsigned int physbase; - -#define PGETBL_CTL 0x2020 -#define PGETBL_ENABLED 0x00000001 - - -static u32 htotal, hblank, hsync, vtotal, vblank, vsync; - -const u8 x60_edid_data[] = { - 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0xae, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x0f, 0x01, 0x03, 0x80, 0x19, 0x12, 0x78, 0xea, 0xed, 0x75, 0x91, 0x57, 0x4f, 0x8b, 0x26, - 0x21, 0x50, 0x54, 0x21, 0x08, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x15, 0x00, 0x40, 0x41, 0x00, 0x26, 0x30, 0x18, 0x88, - 0x36, 0x00, 0xf6, 0xb9, 0x00, 0x00, 0x00, 0x18, 0xed, 0x10, 0x00, 0x40, 0x41, 0x00, 0x26, 0x30, - 0x18, 0x88, 0x36, 0x00, 0xf6, 0xb9, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x61, - 0x43, 0x32, 0x61, 0x43, 0x28, 0x0f, 0x01, 0x00, 0x4c, 0xa3, 0x58, 0x4a, 0x00, 0x00, 0x00, 0xfe, - 0x00, 0x4c, 0x54, 0x4e, 0x31, 0x32, 0x31, 0x58, 0x4a, 0x2d, 0x4c, 0x30, 0x37, 0x0a, 0x00, 0x00, -}; -#define READ32(addr) io_i915_READ32(addr) -#define WRITE32(val, addr) io_i915_WRITE32(val, addr) - -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); - 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); -} - - -/* - 2560 - 4 words per - 4 *p - 10240 - 4k bytes per page - 4096/p - 2.50 - 1700 lines - 1700 * p - 4250.00 - PTEs -*/ -static void -setgtt(int start, int end, unsigned long base, int inc) -{ - int i; - - printk(BIOS_INFO, "%s(%d,%d,0x%08lx,%d);\n", - __func__, start, end, base, inc); - - for (i = start; i < end; i++) { - u32 word = base + i*inc; - WRITE32(word|1, (i*4)|1); - } -} - -int gtt_setup(unsigned int mmiobase); -int gtt_setup(unsigned int mmiobase) -{ - unsigned long PGETBL_save; - - PGETBL_save = read32(mmiobase + PGETBL_CTL) & ~PGETBL_ENABLED; - PGETBL_save |= PGETBL_ENABLED; - - PGETBL_save |= pci_read_config32(dev_find_slot(0, PCI_DEVFN(2,0)), BSM) & 0xfffff000; - PGETBL_save |= 2; /* set GTT to 256kb */ - - write32(mmiobase + GFX_FLSH_CNTL, 0); - - write32(mmiobase + PGETBL_CTL, PGETBL_save); - - /* verify */ - if (read32(mmiobase + PGETBL_CTL) & PGETBL_ENABLED) { - printk(BIOS_DEBUG, "gtt_setup is enabled.\n"); - } else { - printk(BIOS_DEBUG, "gtt_setup failed!!!\n"); - return 1; - } - write32(mmiobase + GFX_FLSH_CNTL, 0); - - return 0; -} - - -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()); -} - -extern struct iodef iodefs[]; -extern int niodefs; - -/* fill the palette. This runs when the P opcode is hit. */ -static void palette(void) -{ - int i; - unsigned long color = 0; - - for (i = 0; i < 256; i++, color += 0x010101) - io_i915_WRITE32(color, _LGC_PALETTE_A + (i<<2)); -} - -static unsigned long times[4096]; - -static int run(int index) -{ - int i, prev = 0; - struct iodef *id, *lastidread = 0; - unsigned long u, t; - if (index >= niodefs) - return index; - /* state machine! */ - for (i = index, id = &iodefs[i]; id->op; i++, id++) { - switch (id->op) { - case M: - if (verbose & vmsg) - printk(BIOS_SPEW, "%ld: %s\n", - globalmicroseconds(), id->msg); - break; - case P: - palette(); - break; - case R: - u = READ32(id->addr); - if (verbose & vio) - printk(BIOS_SPEW, "\texpect %08lx\n", id->data); - /* we're looking for something. */ - if (lastidread->addr == id->addr) { - /* they're going to be polling. - * just do it 1000 times - */ - for (t = 0; t < 1000 && id->data != u; t++) - u = READ32(id->addr); - - if (verbose & vspin) - printk(BIOS_SPEW, - "%s: # loops %ld got %08lx want %08lx\n", - regname(id->addr), - t, u, id->data); - } - lastidread = id; - break; - case W: - WRITE32(id->data, id->addr); - if (id->addr == PCH_PP_CONTROL) { - if (verbose & vio) - printk(BIOS_SPEW, "PCH_PP_CONTROL\n"); - switch (id->data & 0xf) { - case 8: - break; - case 7: - break; - default: - udelay(100000); - if (verbose & vio) - printk(BIOS_SPEW, "U %d\n", - 100000); - } - } - break; - case V: - if (id->count < 8) { - prev = verbose; - verbose = id->count; - } else { - verbose = prev; - } - printk(BIOS_SPEW, "Change verbosity to %d\n", verbose); - break; - case I: - printk(BIOS_SPEW, "run: return %d\n", i+1); - return i+1; - break; - default: - printk(BIOS_SPEW, "BAD TABLE, opcode %d @ %d\n", - id->op, i); - return -1; - } - if (id->udelay) - udelay(id->udelay); - if (i < ARRAY_SIZE(times)) - times[i] = globalmicroseconds(); - } - printk(BIOS_SPEW, "run: return %d\n", i); - return i+1; -} - -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) -{ - static struct edid edid; - - int index; - unsigned long temp; - 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(); - - - decode_edid((unsigned char *)&x60_edid_data, - sizeof(x60_edid_data), &edid); - - htotal = (edid.ha - 1) | ((edid.ha + edid.hbl - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(HTOTAL(pipe), %08x)\n", htotal); - - hblank = (edid.ha - 1) | ((edid.ha + edid.hbl - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(HBLANK(pipe),0x%08x)\n", hblank); - - hsync = (edid.ha + edid.hso - 1) | - ((edid.ha + edid.hso + edid.hspw - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(HSYNC(pipe),0x%08x)\n", hsync); - - vtotal = (edid.va - 1) | ((edid.va + edid.vbl - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(VTOTAL(pipe), %08x)\n", vtotal); - - vblank = (edid.va - 1) | ((edid.va + edid.vbl - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(VBLANK(pipe),0x%08x)\n", vblank); - - vsync = (edid.va + edid.vso - 1) | - ((edid.va + edid.vso + edid.vspw - 1) << 16); - printk(BIOS_SPEW, "I915_WRITE(VSYNC(pipe),0x%08x)\n", vsync); - - printk(BIOS_SPEW, "Table has %d elements\n", niodefs); - - index = run(0); - printk(BIOS_SPEW, "Run returns %d\n", index); - - verbose = 0; - /* 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. - * There are 32 bits per pixel, or 4 bytes, - * which means 1024 pixels per page. - * There are 4250 GTTs on Link: - * 2650 (X) * 1700 (Y) pixels / 1024 pixels per page. - * 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. We will be exploiting this - * trick in a later rev of this code. - * This call sets the GTT to point to a linear range of pages - * starting at physbase. - */ - - if (gtt_setup(pmmio)) { - printk(BIOS_ERR, "ERROR: GTT Setup Failed!!!\n"); - return 0; - } - - setgtt(0, 800 , physbase, 4096); - - temp = READ32(PGETLB_CTL); - printk(BIOS_INFO, "GTT PGETLB_CTL register: 0x%lx\n", temp); - - if (temp & 1) - printk(BIOS_INFO, "GTT Enabled\n"); - else - printk(BIOS_ERR, "ERROR: GTT is still Disabled!!!\n"); - - printk(BIOS_SPEW, "memset %p to 0x00 for %d bytes\n", - (void *)graphics, FRAME_BUFFER_BYTES); - memset((void *)graphics, 0x00, FRAME_BUFFER_BYTES); - - printk(BIOS_SPEW, "%ld microseconds\n", globalmicroseconds()); - - set_vbe_mode_info_valid(&edid, graphics); - - return 1; -} |