111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
This patch is based on code marked:
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/*
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* Creator, Creator3D and Elite3D framebuffer driver.
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*
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* Copyright (C) 2000 Jakub Jelinek (jakub@redhat.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* JAKUB JELINEK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_driver.c,v 1.11 2002/12/06 02:44:04 tsi Exp */
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--- afbinit.c.orig Fri Nov 30 03:04:21 2001
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+++ afbinit.c Mon Sep 15 17:33:19 2003
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@@ -184,7 +184,7 @@
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static void usage(char *me)
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{
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- printf("Usage: %s /dev/fb[0123] [ucode_file]\n", me);
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+ printf("Usage: %s /dev/fb[0-7] [ucode_file]\n", me);
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exit(1);
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}
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@@ -193,13 +193,14 @@
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struct afb_ucode_header {
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char ident[8];
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unsigned int ucode_words;
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- unsigned int __unused[2];
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+ unsigned int unused[2];
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} ucheader;
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unsigned int *ucode;
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int afb_fd, ucode_fd, ucode_version;
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void *uregs, *kregs;
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char *afb_fname;
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char *ucode_fname = UCODE_FILE;
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+ unsigned int fem;
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if(argc != 2 && argc != 3)
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usage(argp[0]);
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@@ -222,7 +223,7 @@
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perror("Read UCODE header");
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exit(1);
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}
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- ucode = (unsigned int *)malloc(ucheader.ucode_words << 2);
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+ ucode = (unsigned int *)(uintptr_t)malloc(ucheader.ucode_words << 2);
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if(ucode == NULL) {
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fprintf(stderr, "Cannot malloc %d bytes for UCODE.\n",
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ucheader.ucode_words << 2);
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@@ -236,7 +237,7 @@
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/* MMAP the registers. */
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uregs = mmap(0, 0x2000,
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PROT_READ | PROT_WRITE,
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- MAP_PRIVATE,
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+ MAP_SHARED,
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afb_fd,
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0x04000000);
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if (uregs == (void *)-1L) {
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@@ -246,7 +247,7 @@
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kregs = mmap(0, 0x2000,
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PROT_READ | PROT_WRITE,
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- MAP_PRIVATE,
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+ MAP_SHARED,
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afb_fd,
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0x0bc04000);
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if (kregs == (void *)-1L) {
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@@ -254,14 +255,26 @@
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exit(1);
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}
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- /* Say what UCODE version we are loading. */
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+ fem = (*((volatile unsigned int *)AFB_UREG_FEM(uregs))) & 0x7f;
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+ if (fem == 0x07 || fem == 0x3f) {
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+ fprintf(stderr, "%s: Elite3D/M%s microcode already loaded.\n",
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+ afb_fname, fem == 0x07 ? "3" : "6");
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+ exit(1);
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+ }
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+ if (fem != 0x01) {
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+ fprintf(stderr, "%s: Not an AFB board.\n", afb_fname);
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+ exit(1);
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+ }
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+
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+ printf("%s: Loading microcode...\n", afb_fname);
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+ afb_ucode_upload((char *)ucode, ucheader.ucode_words / 16, uregs,
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+ kregs);
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ucode_version = *(ucode + (0x404 / sizeof(unsigned int)));
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- printf("Revision-%d.%d.%d ",
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+ printf("%s: Elite3D/M%s microcode revision %d.%d.%d loaded.\n",
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+ afb_fname, fem == 0x07 ? "3" : "6",
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(ucode_version >> 16) & 0xff,
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(ucode_version >> 8) & 0xff,
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(ucode_version >> 0) & 0xff);
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-
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- afb_ucode_upload((char *)ucode, ucheader.ucode_words / 16, uregs, kregs);
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munmap(kregs, 0x2000);
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munmap(uregs, 0x2000);
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