diff options
Diffstat (limited to 'src/mainboard/google/stout/i915.c')
| -rw-r--r-- | src/mainboard/google/stout/i915.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/src/mainboard/google/stout/i915.c b/src/mainboard/google/stout/i915.c deleted file mode 100644 index 3c1e672d91..0000000000 --- a/src/mainboard/google/stout/i915.c +++ /dev/null @@ -1,279 +0,0 @@ -#include <types.h> -#include <string.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 <x86emu/x86emu.h> -#include <pc80/mc146818rtc.h> -#include <arch/acpi.h> -#include <arch/io.h> -#include <arch/interrupt.h> -#include <boot/coreboot_tables.h> -#include "hda_verb.h" -#include "onboard.h" -#include "ec.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/amd/mtrr.h> -#include <cpu/x86/msr.h> -#include "i915_reg.h" - -enum { - vmsg = 1, vio = 2, vspin = 4, -}; - -static int verbose = 0; //vmsg ; - -static unsigned int *mmio; -static unsigned int graphics; -static unsigned short addrport; -static unsigned short dataport; -static unsigned int physbase; - -#define READ32(addr) io_i915_READ32(addr) -#define WRITE32(val, addr) io_i915_WRITE32(val, addr) - -static unsigned long io_i915_READ32(unsigned long addr) -{ - unsigned long val; - outl(addr, addrport); - val = inl(dataport); - return val; -} - -static void io_i915_WRITE32(unsigned long val, unsigned long addr) -{ - 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; - - for(i = start; i < end; i++){ - u32 word = base + i*inc; - WRITE32(word|1,(i*4)|1); - } -} - -static char *regname(unsigned long addr) -{ - static char name[16]; - snprintf(name, sizeof (name), "0x%lx", addr); - return name; -} - -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()); -} - -/* One-letter commands for code not mean to be ready for humans. - * The code was generated by a set of programs/scripts. - * M print out a kernel message - * R read a register. We do these mainly to ensure that if hardware wanted - * the register read, it was read; also, in debug, we can see what was expected - * and what was found. This has proven *very* useful to get this debugged. - * The udelay, if non-zero, will make sure there is a - * udelay() call with the value. - * The count is from the kernel and tells us how many times this read was done. - * Also useful for debugging and the state - * machine uses the info to drive a poll. - * W Write a register - * V set verbosity. It's a bit mask. - * 0 -> nothing - * 1 -> print kernel messages - * 2 -> print IO ops - * 4 -> print the number of times we spin on a register in a poll - * 8 -> restore whatever the previous verbosity level was - * (only one deep stack) - * - * Again, this is not really meant for human consumption. There is not a poll - * operator as such because, sometimes, there is a read/write/read where the - * second read is a poll, and this chipset is so touchy I'm reluctant to move - * things around and/or delete too many reads. - */ -#define M 1 -#define R 2 -#define W 3 -#define V 4 -#define I 8 - -struct iodef { - unsigned char op; - unsigned int count; - const char *msg; - unsigned long addr; - unsigned long data; - unsigned long udelay; -} iodefs[] = { -#include "i915io.c" -}; - -static int i915_init_done = 0; - -int vbe_mode_info_valid(void); -int vbe_mode_info_valid(void) -{ - return i915_init_done; -} - -void fill_lb_framebuffer(struct lb_framebuffer *framebuffer); -void fill_lb_framebuffer(struct lb_framebuffer *framebuffer) -{ - printk(BIOS_SPEW, "fill_lb_framebuffer: graphics is %p\n", (void *)graphics); - framebuffer->physical_address = graphics; - framebuffer->x_resolution = 2560; - framebuffer->y_resolution = 1700; - framebuffer->bytes_per_line = 10240; - framebuffer->bits_per_pixel = 32; - framebuffer->red_mask_pos = 16; - framebuffer->red_mask_size = 8; - framebuffer->green_mask_pos = 8; - framebuffer->green_mask_size = 8; - framebuffer->blue_mask_pos = 0; - framebuffer->blue_mask_size = 8; - framebuffer->reserved_mask_pos = 0; - framebuffer->reserved_mask_size = 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 i, prev = 0; - struct iodef *id, *lastidread = 0; - unsigned long u, t; - static unsigned long times[4096]; - 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(); - - /* state machine! */ - for(i = 0, id = iodefs; i < ARRAY_SIZE(iodefs); i++, id++){ - switch(id->op){ - case M: - if (verbose & vmsg) printk(BIOS_SPEW, "%ld: %s\n", - globalmicroseconds(), id->msg); - break; - case R: - u = READ32(id->addr); - if (verbose & vio)printk(BIOS_SPEW, "%s: Got %08lx, expect %08lx\n", - regname(id->addr), u, 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: - if (verbose & vio)printk(BIOS_SPEW, "%s: outl %08lx\n", regname(id->addr), - id->data); - WRITE32(id->data, id->addr); - if (id->addr == PCH_PP_CONTROL){ - switch(id->data & 0xf){ - case 8: break; - case 7: break; - default: udelay(100000); - } - } - break; - case V: - if (id->count < 8){ - prev = verbose; - verbose = id->count; - } else { - verbose = prev; - } - break; - case I: - break; - default: - printk(BIOS_SPEW, "BAD TABLE, opcode %d @ %d\n", id->op, i); - return -1; - } - if (id->udelay) - udelay(id->udelay); - times[i] = globalmicroseconds(); - } - /* optional, we don't even want to take timestamp overhead - * if we can avoid it. */ - if (0) - for(i = 0, id = iodefs; i < ARRAY_SIZE(iodefs); i++, id++){ - switch(id->op){ - case R: - printk(BIOS_SPEW, "%ld: R %08lx\n", times[i], id->addr); - break; - case W: - printk(BIOS_SPEW, "%ld: W %08lx %08lx\n", times[i], - id->addr, id->data); - break; - } - } - - setgtt(0, 4520, physbase, 4096); - printk(BIOS_SPEW, "memset %p to 0 for %d bytes\n", - (void *)graphics, 4520*4096); - memset((void *)graphics, 0, 4520*4096); - printk(BIOS_SPEW, "%ld microseconds\n", globalmicroseconds()); - i915_init_done = 1; - return i915_init_done; -} |