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Diffstat (limited to 'qemu/roms/u-boot/board/eltec/mhpc/mhpc.c')
-rw-r--r--qemu/roms/u-boot/board/eltec/mhpc/mhpc.c464
1 files changed, 464 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/eltec/mhpc/mhpc.c b/qemu/roms/u-boot/board/eltec/mhpc/mhpc.c
new file mode 100644
index 000000000..f3f564ffe
--- /dev/null
+++ b/qemu/roms/u-boot/board/eltec/mhpc/mhpc.c
@@ -0,0 +1,464 @@
+/*
+ * (C) Copyright 2001
+ * ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * Board specific routines for the miniHiPerCam
+ *
+ * - initialisation (eeprom)
+ * - memory controller
+ * - serial io initialisation
+ * - ethernet io initialisation
+ *
+ * -----------------------------------------------------------------
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <linux/ctype.h>
+#include <commproc.h>
+#include "mpc8xx.h"
+#include <video_fb.h>
+
+extern void eeprom_init (void);
+extern int eeprom_read (unsigned dev_addr, unsigned offset,
+ unsigned char *buffer, unsigned cnt);
+extern int eeprom_write (unsigned dev_addr, unsigned offset,
+ unsigned char *buffer, unsigned cnt);
+
+/* globals */
+void *video_hw_init (void);
+void video_set_lut (unsigned int index, /* color number */
+ unsigned char r, /* red */
+ unsigned char g, /* green */
+ unsigned char b /* blue */
+ );
+
+GraphicDevice gdev;
+
+/* locals */
+static void video_circle (char *center, int radius, int color, int pitch);
+static void video_test_image (void);
+static void video_default_lut (unsigned int clut_type);
+
+/* revision info foer MHPC EEPROM offset 480 */
+typedef struct {
+ char board[12]; /* 000 - Board Revision information */
+ char sensor; /* 012 - Sensor Type information */
+ char serial[8]; /* 013 - Board serial number */
+ char etheraddr[6]; /* 021 - Ethernet node addresse */
+ char revision[2]; /* 027 - Revision code */
+ char option[3]; /* 029 - resevered for options */
+} revinfo;
+
+/* ------------------------------------------------------------------------- */
+
+static const unsigned int sdram_table[] = {
+ /* read single beat cycle */
+ 0xef0efc04, 0x0e2dac04, 0x01ba5c04, 0x1ff5fc00,
+ 0xfffffc05, 0xeffafc34, 0x0ff0bc34, 0x1ff57c35,
+
+ /* read burst cycle */
+ 0xef0efc04, 0x0e3dac04, 0x10ff5c04, 0xf0fffc00,
+ 0xf0fffc00, 0xf1fffc00, 0xfffffc00, 0xfffffc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* write single beat cycle */
+ 0xef0efc04, 0x0e29ac00, 0x01b25c04, 0x1ff5fc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* write burst cycle */
+ 0xef0ef804, 0x0e39a000, 0x10f75000, 0xf0fff440,
+ 0xf0fffc40, 0xf1fffc04, 0xfffffc05, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* periodic timer expired */
+ 0xeffebc84, 0x1ffd7c04, 0xfffffc04, 0xfffffc84,
+ 0xeffebc04, 0x1ffd7c04, 0xfffffc04, 0xfffffc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* exception */
+ 0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04
+};
+
+/* ------------------------------------------------------------------------- */
+
+int board_early_init_f (void)
+{
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ volatile cpm8xx_t *cp = &(im->im_cpm);
+ volatile iop8xx_t *ip = (iop8xx_t *) & (im->im_ioport);
+
+ /* reset the port A s.a. cpm-routines */
+ ip->iop_padat = 0x0000;
+ ip->iop_papar = 0x0000;
+ ip->iop_padir = 0x0800;
+ ip->iop_paodr = 0x0000;
+
+ /* reset the port B for digital and LCD output */
+ cp->cp_pbdat = 0x0300;
+ cp->cp_pbpar = 0x5001;
+ cp->cp_pbdir = 0x5301;
+ cp->cp_pbodr = 0x0000;
+
+ /* reset the port C configured for SMC1 serial port and aqc. control */
+ ip->iop_pcdat = 0x0800;
+ ip->iop_pcpar = 0x0000;
+ ip->iop_pcdir = 0x0e30;
+ ip->iop_pcso = 0x0000;
+
+ /* Config port D for LCD output */
+ ip->iop_pdpar = 0x1fff;
+ ip->iop_pddir = 0x1fff;
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity
+ */
+int checkboard (void)
+{
+ puts ("Board: ELTEC miniHiperCam\n");
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_r (void)
+{
+ revinfo mhpcRevInfo;
+ char nid[32];
+ char *mhpcSensorTypes[] = { "OMNIVISON OV7610/7620 color",
+ "OMNIVISON OV7110 b&w", NULL
+ };
+ char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
+ 0, 0, 0, 0, 10, 11, 12, 13, 14, 15
+ };
+ int i;
+
+ /* check revision data */
+ eeprom_read (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo, 32);
+
+ if (strncmp ((char *) &mhpcRevInfo.board[2], "MHPC", 4) != 0) {
+ printf ("Enter revision number (0-9): %c ",
+ mhpcRevInfo.revision[0]);
+ if (0 != readline (NULL)) {
+ mhpcRevInfo.revision[0] =
+ (char) toupper (console_buffer[0]);
+ }
+
+ printf ("Enter revision character (A-Z): %c ",
+ mhpcRevInfo.revision[1]);
+ if (1 == readline (NULL)) {
+ mhpcRevInfo.revision[1] =
+ (char) toupper (console_buffer[0]);
+ }
+
+ printf ("Enter board name (V-XXXX-XXXX): %s ",
+ (char *) &mhpcRevInfo.board);
+ if (11 == readline (NULL)) {
+ for (i = 0; i < 11; i++) {
+ mhpcRevInfo.board[i] =
+ (char) toupper (console_buffer[i]);
+ mhpcRevInfo.board[11] = '\0';
+ }
+ }
+
+ printf ("Supported sensor types:\n");
+ i = 0;
+ do {
+ printf ("\n \'%d\' : %s\n", i, mhpcSensorTypes[i]);
+ } while (mhpcSensorTypes[++i] != NULL);
+
+ do {
+ printf ("\nEnter sensor number (0-255): %d ",
+ (int) mhpcRevInfo.sensor);
+ if (0 != readline (NULL)) {
+ mhpcRevInfo.sensor =
+ (unsigned char)
+ simple_strtoul (console_buffer, NULL,
+ 10);
+ }
+ } while (mhpcRevInfo.sensor >= i);
+
+ printf ("Enter serial number: %s ",
+ (char *) &mhpcRevInfo.serial);
+ if (6 == readline (NULL)) {
+ for (i = 0; i < 6; i++) {
+ mhpcRevInfo.serial[i] = console_buffer[i];
+ }
+ mhpcRevInfo.serial[6] = '\0';
+ }
+
+ printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ", mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1], mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3], mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
+ if (12 == readline (NULL)) {
+ for (i = 0; i < 12; i += 2) {
+ mhpcRevInfo.etheraddr[i >> 1] =
+ (char) (16 *
+ hex[toupper
+ (console_buffer[i]) -
+ '0'] +
+ hex[toupper
+ (console_buffer[i + 1]) -
+ '0']);
+ }
+ }
+
+ /* setup new revision data */
+ eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, 480, (uchar *) &mhpcRevInfo,
+ 32);
+ }
+
+ /* set environment */
+ sprintf (nid, "%02x:%02x:%02x:%02x:%02x:%02x",
+ mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
+ mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
+ mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
+ setenv ("ethaddr", nid);
+
+ /* print actual board identification */
+ printf ("Ident: %s %s Ser %s Rev %c%c\n",
+ mhpcRevInfo.board,
+ (mhpcRevInfo.sensor == 0 ? "color" : "b&w"),
+ (char *) &mhpcRevInfo.serial, mhpcRevInfo.revision[0],
+ mhpcRevInfo.revision[1]);
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ upmconfig (UPMA, (uint *) sdram_table,
+ sizeof (sdram_table) / sizeof (uint));
+
+ memctl->memc_mamr = CONFIG_SYS_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
+ memctl->memc_mbmr = MBMR_GPL_B4DIS; /* should this be mamr? - NTL */
+ memctl->memc_mptpr = MPTPR_PTP_DIV64;
+ memctl->memc_mar = 0x00008800;
+
+ /*
+ * Map controller SDRAM bank 0
+ */
+ memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM;
+ memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM;
+ udelay (200);
+
+ /*
+ * Map controller SDRAM bank 1
+ */
+ memctl->memc_or2 = CONFIG_SYS_OR2;
+ memctl->memc_br2 = CONFIG_SYS_BR2;
+
+ /*
+ * Perform SDRAM initializsation sequence
+ */
+ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ udelay (1);
+ memctl->memc_mcr = 0x80002730; /* SDRAM bank 0 - execute twice */
+ udelay (1);
+ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
+
+ udelay (10000);
+
+ /* leave place for framebuffers */
+ return (SDRAM_MAX_SIZE - SDRAM_RES_SIZE);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_circle (char *center, int radius, int color, int pitch)
+{
+ int x, y, d, dE, dSE;
+
+ x = 0;
+ y = radius;
+ d = 1 - radius;
+ dE = 3;
+ dSE = -2 * radius + 5;
+
+ *(center + x + y * pitch) = color;
+ *(center + y + x * pitch) = color;
+ *(center + y - x * pitch) = color;
+ *(center + x - y * pitch) = color;
+ *(center - x - y * pitch) = color;
+ *(center - y - x * pitch) = color;
+ *(center - y + x * pitch) = color;
+ *(center - x + y * pitch) = color;
+ while (y > x) {
+ if (d < 0) {
+ d += dE;
+ dE += 2;
+ dSE += 2;
+ x++;
+ } else {
+ d += dSE;
+ dE += 2;
+ dSE += 4;
+ x++;
+ y--;
+ }
+ *(center + x + y * pitch) = color;
+ *(center + y + x * pitch) = color;
+ *(center + y - x * pitch) = color;
+ *(center + x - y * pitch) = color;
+ *(center - x - y * pitch) = color;
+ *(center - y - x * pitch) = color;
+ *(center - y + x * pitch) = color;
+ *(center - x + y * pitch) = color;
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_test_image (void)
+{
+ char *di;
+ int i, n;
+
+ /* draw raster */
+ for (i = 0; i < LCD_VIDEO_ROWS; i += 32) {
+ memset ((char *) (LCD_VIDEO_ADDR + i * LCD_VIDEO_COLS),
+ LCD_VIDEO_FG, LCD_VIDEO_COLS);
+ for (n = i + 1; n < i + 32; n++)
+ memset ((char *) (LCD_VIDEO_ADDR +
+ n * LCD_VIDEO_COLS), LCD_VIDEO_BG,
+ LCD_VIDEO_COLS);
+ }
+
+ for (i = 0; i < LCD_VIDEO_COLS; i += 32) {
+ for (n = 0; n < LCD_VIDEO_ROWS; n++)
+ *(char *) (LCD_VIDEO_ADDR + n * LCD_VIDEO_COLS + i) =
+ LCD_VIDEO_FG;
+ }
+
+ /* draw gray bar */
+ di = (char *) (LCD_VIDEO_ADDR + (LCD_VIDEO_COLS - 256) / 64 * 32 +
+ 97 * LCD_VIDEO_COLS);
+ for (n = 0; n < 63; n++) {
+ for (i = 0; i < 256; i++) {
+ *di++ = (char) i;
+ *(di + LCD_VIDEO_COLS * 64) = (i & 1) * 255;
+ }
+ di += LCD_VIDEO_COLS - 256;
+ }
+
+ video_circle ((char *) LCD_VIDEO_ADDR + LCD_VIDEO_COLS / 2 +
+ LCD_VIDEO_ROWS / 2 * LCD_VIDEO_COLS, LCD_VIDEO_ROWS / 2,
+ LCD_VIDEO_FG, LCD_VIDEO_COLS);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_default_lut (unsigned int clut_type)
+{
+ unsigned int i;
+ unsigned char RGB[] = {
+ 0x00, 0x00, 0x00, /* black */
+ 0x80, 0x80, 0x80, /* gray */
+ 0xff, 0x00, 0x00, /* red */
+ 0x00, 0xff, 0x00, /* green */
+ 0x00, 0x00, 0xff, /* blue */
+ 0x00, 0xff, 0xff, /* cyan */
+ 0xff, 0x00, 0xff, /* magenta */
+ 0xff, 0xff, 0x00, /* yellow */
+ 0x80, 0x00, 0x00, /* dark red */
+ 0x00, 0x80, 0x00, /* dark green */
+ 0x00, 0x00, 0x80, /* dark blue */
+ 0x00, 0x80, 0x80, /* dark cyan */
+ 0x80, 0x00, 0x80, /* dark magenta */
+ 0x80, 0x80, 0x00, /* dark yellow */
+ 0xc0, 0xc0, 0xc0, /* light gray */
+ 0xff, 0xff, 0xff, /* white */
+ };
+
+ switch (clut_type) {
+ case 1:
+ for (i = 0; i < 240; i++)
+ video_set_lut (i, i, i, i);
+ for (i = 0; i < 16; i++)
+ video_set_lut (i + 240, RGB[i * 3], RGB[i * 3 + 1],
+ RGB[i * 3 + 2]);
+ break;
+ default:
+ for (i = 0; i < 256; i++)
+ video_set_lut (i, i, i, i);
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+void *video_hw_init (void)
+{
+ unsigned int clut = 0;
+ unsigned char *penv;
+ immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+
+ /* enable video only on CLUT value */
+ if ((penv = (uchar *)getenv ("clut")) != NULL)
+ clut = (u_int) simple_strtoul ((char *)penv, NULL, 10);
+ else
+ return NULL;
+
+ /* disable graphic before write LCD regs. */
+ immr->im_lcd.lcd_lccr = 0x96000866;
+
+ /* config LCD regs. */
+ immr->im_lcd.lcd_lcfaa = LCD_VIDEO_ADDR;
+ immr->im_lcd.lcd_lchcr = 0x010a0093;
+ immr->im_lcd.lcd_lcvcr = 0x900f0024;
+
+ printf ("Video: 640x480 8Bit Index Lut %s\n",
+ (clut == 1 ? "240/16 (gray/vga)" : "256(gray)"));
+
+ video_default_lut (clut);
+
+ /* clear framebuffer */
+ memset ((char *) (LCD_VIDEO_ADDR), LCD_VIDEO_BG,
+ LCD_VIDEO_ROWS * LCD_VIDEO_COLS);
+
+ /* enable graphic */
+ immr->im_lcd.lcd_lccr = 0x96000867;
+
+ /* fill in Graphic Device */
+ gdev.frameAdrs = LCD_VIDEO_ADDR;
+ gdev.winSizeX = LCD_VIDEO_COLS;
+ gdev.winSizeY = LCD_VIDEO_ROWS;
+ gdev.gdfBytesPP = 1;
+ gdev.gdfIndex = GDF__8BIT_INDEX;
+
+ if (clut > 1)
+ /* return Graphic Device for console */
+ return (void *) &gdev;
+ else
+ /* just graphic enabled - draw something beautiful */
+ video_test_image ();
+
+ return NULL; /* this disabels cfb - console */
+}
+
+/* ------------------------------------------------------------------------- */
+
+void video_set_lut (unsigned int index,
+ unsigned char r, unsigned char g, unsigned char b)
+{
+ unsigned int lum;
+ unsigned short *pLut = (unsigned short *) (CONFIG_SYS_IMMR + 0x0e00);
+
+ /* 16 bit lut values, 12 bit used, xxxx BBGG RRii iiii */
+ /* y = 0.299*R + 0.587*G + 0.114*B */
+ lum = (2990 * r + 5870 * g + 1140 * b) / 10000;
+ pLut[index] =
+ ((b & 0xc0) << 4) | ((g & 0xc0) << 2) | (r & 0xc0) | (lum &
+ 0x3f);
+}
+
+/* ------------------------------------------------------------------------- */