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Diffstat (limited to 'qemu/roms/seabios/vgasrc/geodevga.c')
-rw-r--r--qemu/roms/seabios/vgasrc/geodevga.c433
1 files changed, 0 insertions, 433 deletions
diff --git a/qemu/roms/seabios/vgasrc/geodevga.c b/qemu/roms/seabios/vgasrc/geodevga.c
deleted file mode 100644
index f8f61c3a1..000000000
--- a/qemu/roms/seabios/vgasrc/geodevga.c
+++ /dev/null
@@ -1,433 +0,0 @@
-// Geode GX2/LX VGA functions
-//
-// Copyright (C) 2009 Chris Kindt
-//
-// Written for Google Summer of Code 2009 for the coreboot project
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "biosvar.h" // GET_BDA
-#include "farptr.h" // SET_FARVAR
-#include "geodevga.h" // geodevga_setup
-#include "hw/pci.h" // pci_config_readl
-#include "hw/pci_regs.h" // PCI_BASE_ADDRESS_0
-#include "output.h" // dprintf
-#include "stdvga.h" // stdvga_crtc_write
-#include "vgabios.h" // VGAREG_*
-
-
-/****************************************************************
-* MSR and High Mem access through VSA Virtual Register
-****************************************************************/
-
-static u64 geode_msr_read(u32 msrAddr)
-{
- union u64_u32_u val;
- asm __volatile__ (
- "movw $0x0AC1C, %%dx \n"
- "movl $0xFC530007, %%eax \n"
- "outl %%eax, %%dx \n"
- "addb $2, %%dl \n"
- "inw %%dx, %%ax \n"
- : "=a" (val.lo), "=d"(val.hi)
- : "c"(msrAddr)
- : "cc"
- );
-
- dprintf(4, "%s(0x%08x) = 0x%08x-0x%08x\n"
- , __func__, msrAddr, val.hi, val.lo);
- return val.val;
-}
-
-static void geode_msr_mask(u32 msrAddr, u64 off, u64 on)
-{
- union u64_u32_u uand, uor;
- uand.val = ~off;
- uor.val = on;
-
- dprintf(4, "%s(0x%08x, 0x%016llx, 0x%016llx)\n"
- , __func__, msrAddr, off, on);
-
- asm __volatile__ (
- "push %%eax \n"
- "movw $0x0AC1C, %%dx \n"
- "movl $0xFC530007, %%eax \n"
- "outl %%eax, %%dx \n"
- "addb $2, %%dl \n"
- "pop %%eax \n"
- "outw %%ax, %%dx \n"
- :
- : "c"(msrAddr), "S" (uand.hi), "D" (uand.lo), "b" (uor.hi), "a" (uor.lo)
- : "%edx","cc"
- );
-}
-
-static u32 geode_mem_read(u32 addr)
-{
- u32 val;
- asm __volatile__ (
- "movw $0x0AC1C, %%dx \n"
- "movl $0xFC530001, %%eax \n"
- "outl %%eax, %%dx \n"
- "addb $2, %%dl \n"
- "inw %%dx, %%ax \n"
- : "=a" (val)
- : "b"(addr)
- : "cc"
- );
-
- return val;
-}
-
-static void geode_mem_mask(u32 addr, u32 off, u32 or)
-{
- asm __volatile__ (
- "movw $0x0AC1C, %%dx \n"
- "movl $0xFC530001, %%eax \n"
- "outl %%eax, %%dx \n"
- "addb $2, %%dl \n"
- "outw %%ax, %%dx \n"
- :
- : "b"(addr), "S" (~off), "D" (or)
- : "%eax","cc"
- );
-}
-
-#define VP_FP_START 0x400
-
-static u32 GeodeFB VAR16;
-static u32 GeodeDC VAR16;
-static u32 GeodeVP VAR16;
-
-static u32 geode_dc_read(int reg)
-{
- u32 val = geode_mem_read(GET_GLOBAL(GeodeDC) + reg);
- dprintf(4, "%s(0x%08x) = 0x%08x\n"
- , __func__, GET_GLOBAL(GeodeDC) + reg, val);
- return val;
-}
-
-static void geode_dc_write(int reg, u32 val)
-{
- dprintf(4, "%s(0x%08x, 0x%08x)\n"
- , __func__, GET_GLOBAL(GeodeDC) + reg, val);
- geode_mem_mask(GET_GLOBAL(GeodeDC) + reg, ~0, val);
-}
-
-static void geode_dc_mask(int reg, u32 off, u32 on)
-{
- dprintf(4, "%s(0x%08x, 0x%08x, 0x%08x)\n"
- , __func__, GET_GLOBAL(GeodeDC) + reg, off, on);
- geode_mem_mask(GET_GLOBAL(GeodeDC) + reg, off, on);
-}
-
-static u32 geode_vp_read(int reg)
-{
- u32 val = geode_mem_read(GET_GLOBAL(GeodeVP) + reg);
- dprintf(4, "%s(0x%08x) = 0x%08x\n"
- , __func__, GET_GLOBAL(GeodeVP) + reg, val);
- return val;
-}
-
-static void geode_vp_write(int reg, u32 val)
-{
- dprintf(4, "%s(0x%08x, 0x%08x)\n"
- , __func__, GET_GLOBAL(GeodeVP) + reg, val);
- geode_mem_mask(GET_GLOBAL(GeodeVP) + reg, ~0, val);
-}
-
-static void geode_vp_mask(int reg, u32 off, u32 on)
-{
- dprintf(4, "%s(0x%08x, 0x%08x, 0x%08x)\n"
- , __func__, GET_GLOBAL(GeodeVP) + reg, off, on);
- geode_mem_mask(GET_GLOBAL(GeodeVP) + reg, off, on);
-}
-
-static u32 geode_fp_read(int reg)
-{
- u32 val = geode_mem_read(GET_GLOBAL(GeodeVP) + VP_FP_START + reg);
- dprintf(4, "%s(0x%08x) = 0x%08x\n"
- , __func__, GET_GLOBAL(GeodeVP) + VP_FP_START + reg, val);
- return val;
-}
-
-static void geode_fp_write(int reg, u32 val)
-{
- dprintf(4, "%s(0x%08x, 0x%08x)\n"
- , __func__, GET_GLOBAL(GeodeVP) + VP_FP_START + reg, val);
- geode_mem_mask(GET_GLOBAL(GeodeVP) + VP_FP_START + reg, ~0, val);
-}
-
-/****************************************************************
- * Helper functions
- ****************************************************************/
-
-static int legacyio_check(void)
-{
- int ret=0;
- u64 val;
-
- if (CONFIG_VGA_GEODEGX2)
- val = geode_msr_read(GLIU0_P2D_BM_4);
- else
- val = geode_msr_read(MSR_GLIU0_BASE4);
- if ((val & 0xffffffff) != 0x0A0fffe0)
- ret|=1;
-
- val = geode_msr_read(GLIU0_IOD_BM_0);
- if ((val & 0xffffffff) != 0x3c0ffff0)
- ret|=2;
-
- val = geode_msr_read(GLIU0_IOD_BM_1);
- if ((val & 0xffffffff) != 0x3d0ffff0)
- ret|=4;
-
- return ret;
-}
-
-static u32 framebuffer_size(void)
-{
- /* We use the P2D_R0 msr to read out the number of pages.
- * One page has a size of 4k
- *
- * Bit Name Description
- * 39:20 PMAX Physical Memory Address Max
- * 19:0 PMIX Physical Memory Address Min
- *
- */
- u64 msr = geode_msr_read(GLIU0_P2D_RO);
-
- u32 pmax = (msr >> 20) & 0x000fffff;
- u32 pmin = msr & 0x000fffff;
-
- u32 val = pmax - pmin;
- val += 1;
-
- /* The page size is 4k */
- return (val << 12);
-}
-
-/****************************************************************
-* Init Functions
-****************************************************************/
-
-static void geodevga_set_output_mode(void)
-{
- u64 msr_addr;
- u64 msr;
-
- /* set output to crt and RGB/YUV */
- if (CONFIG_VGA_GEODEGX2)
- msr_addr = VP_MSR_CONFIG_GX2;
- else
- msr_addr = VP_MSR_CONFIG_LX;
-
- /* set output mode (RGB/YUV) */
- msr = geode_msr_read(msr_addr);
- msr &= ~VP_MSR_CONFIG_FMT; // mask out FMT (bits 5:3)
-
- if (CONFIG_VGA_OUTPUT_PANEL || CONFIG_VGA_OUTPUT_CRT_PANEL) {
- msr |= VP_MSR_CONFIG_FMT_FP; // flat panel
-
- if (CONFIG_VGA_OUTPUT_CRT_PANEL) {
- msr |= VP_MSR_CONFIG_FPC; // simultaneous Flat Panel and CRT
- dprintf(1, "output: simultaneous Flat Panel and CRT\n");
- } else {
- msr &= ~VP_MSR_CONFIG_FPC; // no simultaneous Flat Panel and CRT
- dprintf(1, "ouput: flat panel\n");
- }
- } else {
- msr |= VP_MSR_CONFIG_FMT_CRT; // CRT only
- dprintf(1, "output: CRT\n");
- }
- geode_msr_mask(msr_addr, ~msr, msr);
-}
-
-/* Set up the dc (display controller) portion of the geodelx
-* The dc provides hardware support for VGA graphics.
-*/
-static void dc_setup(void)
-{
- dprintf(2, "DC_SETUP\n");
-
- geode_dc_write(DC_UNLOCK, DC_LOCK_UNLOCK);
-
- /* zero memory config */
- geode_dc_write(DC_FB_ST_OFFSET, 0x0);
- geode_dc_write(DC_CB_ST_OFFSET, 0x0);
- geode_dc_write(DC_CURS_ST_OFFSET, 0x0);
-
- geode_dc_mask(DC_DISPLAY_CFG, ~DC_CFG_MSK, DC_DISPLAY_CFG_GDEN|DC_DISPLAY_CFG_TRUP);
- geode_dc_write(DC_GENERAL_CFG, DC_GENERAL_CFG_VGAE);
-
- geode_dc_write(DC_UNLOCK, DC_LOCK_LOCK);
-}
-
-/* Setup the vp (video processor) portion of the geodelx
-* Under VGA modes the vp was handled by softvg from inside VSA2.
-* Without a softvg module, access is only available through a pci bar.
-* The High Mem Access virtual register is used to configure the
-* pci mmio bar from 16bit friendly io space.
-*/
-static void vp_setup(void)
-{
- dprintf(2,"VP_SETUP\n");
-
- geodevga_set_output_mode();
-
- /* Set mmio registers
- * there may be some timing issues here, the reads seem
- * to slow things down enough work reliably
- */
-
- u32 reg = geode_vp_read(VP_MISC);
- dprintf(1,"VP_SETUP VP_MISC=0x%08x\n",reg);
- geode_vp_write(VP_MISC, VP_DCFG_BYP_BOTH);
- reg = geode_vp_read(VP_MISC);
- dprintf(1,"VP_SETUP VP_MISC=0x%08x\n",reg);
-
- reg = geode_vp_read(VP_DCFG);
- dprintf(1,"VP_SETUP VP_DCFG=0x%08x\n",reg);
- geode_vp_mask(VP_DCFG, 0, VP_DCFG_CRT_EN|VP_DCFG_HSYNC_EN|VP_DCFG_VSYNC_EN|VP_DCFG_DAC_BL_EN|VP_DCFG_CRT_SKEW);
- reg = geode_vp_read(VP_DCFG);
- dprintf(1,"VP_SETUP VP_DCFG=0x%08x\n",reg);
-
- /* setup flat panel */
- if (CONFIG_VGA_OUTPUT_PANEL || CONFIG_VGA_OUTPUT_CRT_PANEL) {
- u64 msr;
-
- dprintf(1, "Setting up flat panel\n");
- /* write timing register */
- geode_fp_write(FP_PT1, 0x0);
- geode_fp_write(FP_PT2, FP_PT2_SCRC);
-
- /* set pad select for TFT/LVDS */
- msr = VP_MSR_PADSEL_TFT_SEL_HIGH;
- msr = msr << 32;
- msr |= VP_MSR_PADSEL_TFT_SEL_LOW;
- geode_msr_mask(VP_MSR_PADSEL, ~msr, msr);
-
- /* turn the panel on (if it isn't already) */
- reg = geode_fp_read(FP_PM);
- reg |= FP_PM_P;
- geode_fp_write(FP_PM, reg);
- }
-}
-
-static u8 geode_crtc_01[] VAR16 = {
- 0x2d, 0x27, 0x28, 0x90, 0x29, 0x8e, 0xbf, 0x1f,
- 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x14, 0x1f, 0x97, 0xb9, 0xa3,
- 0xff };
-static u8 geode_crtc_03[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x28, 0x1f, 0x97, 0xb9, 0xa3,
- 0xff };
-static u8 geode_crtc_04[] VAR16 = {
- 0x2d, 0x27, 0x28, 0x90, 0x29, 0x8e, 0xbf, 0x1f,
- 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x14, 0x00, 0x97, 0xb9, 0xa2,
- 0xff };
-static u8 geode_crtc_05[] VAR16 = {
- 0x2d, 0x27, 0x28, 0x90, 0x29, 0x8e, 0xbf, 0x1f,
- 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8e, 0x8f, 0x14, 0x00, 0x97, 0xb9, 0xa2,
- 0xff };
-static u8 geode_crtc_06[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x28, 0x00, 0x97, 0xb9, 0xc2,
- 0xff };
-static u8 geode_crtc_07[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0x4f, 0x0d, 0x0e, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x28, 0x0f, 0x97, 0xb9, 0xa3,
- 0xff };
-static u8 geode_crtc_0d[] VAR16 = {
- 0x2d, 0x27, 0x28, 0x90, 0x29, 0x8e, 0xbf, 0x1f,
- 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x14, 0x00, 0x97, 0xb9, 0xe3,
- 0xff };
-static u8 geode_crtc_0e[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x28, 0x00, 0x97, 0xb9, 0xe3,
- 0xff };
-static u8 geode_crtc_0f[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x83, 0x85, 0x5d, 0x28, 0x0f, 0x65, 0xb9, 0xe3,
- 0xff };
-static u8 geode_crtc_11[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0x0b, 0x3e,
- 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0xe9, 0x8b, 0xdf, 0x28, 0x00, 0xe7, 0x04, 0xe3,
- 0xff };
-static u8 geode_crtc_13[] VAR16 = {
- 0x5f, 0x4f, 0x50, 0x82, 0x51, 0x9e, 0xbf, 0x1f,
- 0x00, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x9b, 0x8d, 0x8f, 0x28, 0x40, 0x98, 0xb9, 0xa3,
- 0xff };
-
-int geodevga_setup(void)
-{
- int ret = stdvga_setup();
- if (ret)
- return ret;
-
- dprintf(1,"GEODEVGA_SETUP\n");
-
- if ((ret=legacyio_check())) {
- dprintf(1,"GEODEVGA_SETUP legacyio_check=0x%x\n",ret);
- }
-
- // Updated timings from geode datasheets, table 6-53 in particular
- static u8 *new_crtc[] VAR16 = {
- geode_crtc_01, geode_crtc_01, geode_crtc_03, geode_crtc_03,
- geode_crtc_04, geode_crtc_05, geode_crtc_06, geode_crtc_07,
- 0, 0, 0, 0, 0,
- geode_crtc_0d, geode_crtc_0e, geode_crtc_0f, geode_crtc_0f,
- geode_crtc_11, geode_crtc_11, geode_crtc_13 };
- int i;
- for (i=0; i<ARRAY_SIZE(new_crtc); i++) {
- u8 *crtc = GET_GLOBAL(new_crtc[i]);
- if (crtc)
- stdvga_override_crtc(i, crtc);
- }
-
- if (GET_GLOBAL(VgaBDF) < 0)
- // Device should be at 00:01.1
- SET_VGA(VgaBDF, pci_to_bdf(0, 1, 1));
-
- // setup geode struct which is used for register access
- SET_VGA(GeodeFB, pci_config_readl(GET_GLOBAL(VgaBDF), PCI_BASE_ADDRESS_0));
- SET_VGA(GeodeDC, pci_config_readl(GET_GLOBAL(VgaBDF), PCI_BASE_ADDRESS_2));
- SET_VGA(GeodeVP, pci_config_readl(GET_GLOBAL(VgaBDF), PCI_BASE_ADDRESS_3));
-
- dprintf(1, "fb addr: 0x%08x\n", GET_GLOBAL(GeodeFB));
- dprintf(1, "dc addr: 0x%08x\n", GET_GLOBAL(GeodeDC));
- dprintf(1, "vp addr: 0x%08x\n", GET_GLOBAL(GeodeVP));
-
- /* setup framebuffer */
- geode_dc_write(DC_UNLOCK, DC_LOCK_UNLOCK);
-
- /* read fb-bar from pci, then point dc to the fb base */
- u32 fb = GET_GLOBAL(GeodeFB);
- if (geode_dc_read(DC_GLIU0_MEM_OFFSET) != fb)
- geode_dc_write(DC_GLIU0_MEM_OFFSET, fb);
-
- geode_dc_write(DC_UNLOCK, DC_LOCK_LOCK);
-
- u32 fb_size = framebuffer_size(); // in byte
- dprintf(1, "%d KB of video memory at 0x%08x\n", fb_size / 1024, fb);
-
- /* update VBE variables */
- SET_VGA(VBE_framebuffer, fb);
- SET_VGA(VBE_total_memory, fb_size / 1024 / 64); // number of 64K blocks
-
- vp_setup();
- dc_setup();
-
- return 0;
-}