/*
- * (C) Copyright 2000, 2001, 2002
+ * (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de
*
#include <common.h>
#include <mpc8xx.h>
+#include "../common/kup.h"
#ifdef CONFIG_KUP4K_LOGO
#include "s1d13706.h"
#endif
+#undef DEBUG
+#ifdef DEBUG
+# define debugk(fmt,args...) printf(fmt ,##args)
+#else
+# define debugk(fmt,args...)
+#endif
+
+typedef struct {
+ volatile unsigned char *VmemAddr;
+ volatile unsigned char *RegAddr;
+} FB_INFO_S1D13xxx;
-typedef struct
-{
- volatile unsigned char *VmemAddr;
- volatile unsigned char *RegAddr;
-}FB_INFO_S1D13xxx;
/* ------------------------------------------------------------------------- */
#endif
#ifdef CONFIG_KUP4K_LOGO
- void lcd_logo(bd_t *bd);
+void lcd_logo(bd_t *bd);
#endif
+
/* ------------------------------------------------------------------------- */
#define _NOT_USED_ 0xFFFFFFFF
-const uint sdram_table[] =
-{
+const uint sdram_table[] = {
/*
* Single Read. (Offset 0 in UPMA RAM)
*/
int checkboard (void)
{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ uchar *latch,rev,mod;
- printf ("### No HW ID - assuming KUP4K-Color\n");
+ /*
+ * Init ChipSelect #4 (CAN + HW-Latch)
+ */
+ immap->im_memctl.memc_or4 = 0xFFFF8926;
+ immap->im_memctl.memc_br4 = 0x90000401;
+
+ latch=(uchar *)0x90000200;
+ rev = (*latch & 0xF8) >> 3;
+ mod=(*latch & 0x03);
+ printf ("Board: KUP4K Rev %d.%d SN: %s\n",rev,mod,getenv("ethaddr"));
return (0);
}
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
+ volatile long int *addr;
+ ulong cnt, val;
+ ulong save[32]; /* to make test non-destructive */
+ unsigned char i = 0;
memctl->memc_mamr = mamr_value;
- return(get_ram_size(base, maxsize));
+ for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+ addr = base + cnt; /* pointer arith! */
+
+ save[i++] = *addr;
+ *addr = ~cnt;
+ }
+
+ /* write 0 to base address */
+ addr = base;
+ save[i] = *addr;
+ *addr = 0;
+
+ /* check at base address */
+ if ((val = *addr) != 0) {
+ *addr = save[i];
+ return (0);
+ }
+
+ for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+ addr = base + cnt; /* pointer arith! */
+
+ val = *addr;
+ *addr = save[--i];
+
+ if (val != (~cnt)) {
+ return (cnt * sizeof (long));
+ }
+ }
+ return (maxsize);
}
#endif
#ifdef CONFIG_KUP4K_LOGO
bd_t *bd = gd->bd;
-
lcd_logo (bd);
#endif /* CONFIG_KUP4K_LOGO */
#ifdef CONFIG_IDE_LED
immap->im_ioport.iop_papar &= ~0x80;
immap->im_ioport.iop_padat |= 0x80; /* turn it off */
#endif
+ setenv("hw","4k");
+ poweron_key();
return (0);
}
#ifdef CONFIG_KUP4K_LOGO
-#define PB_LCD_PWM ((uint)0x00004000) /* PB 17 */
-
void lcd_logo (bd_t * bd)
{
FB_INFO_S1D13xxx fb_info;
int rs, gs, bs;
int r = 8, g = 8, b = 4;
int r1, g1, b1;
+ int n;
+ uchar tmp[64]; /* long enough for environment variables */
+ int tft = 0;
- immr->im_cpm.cp_pbpar &= ~PB_LCD_PWM;
- immr->im_cpm.cp_pbodr &= ~PB_LCD_PWM;
- immr->im_cpm.cp_pbdat &= ~PB_LCD_PWM; /* set to 0 = enabled */
- immr->im_cpm.cp_pbdir |= PB_LCD_PWM;
-
+ immr->im_cpm.cp_pbpar &= ~(PB_LCD_PWM);
+ immr->im_cpm.cp_pbodr &= ~(PB_LCD_PWM);
+ immr->im_cpm.cp_pbdat &= ~(PB_LCD_PWM); /* set to 0 = enabled */
+ immr->im_cpm.cp_pbdir |= (PB_LCD_PWM);
/*----------------------------------------------------------------------------- */
- /**/
/* Initialize the chip and the frame buffer driver. */
- /**/
/*----------------------------------------------------------------------------- */
- memctl = &immr->im_memctl;
-/* memctl->memc_or5 = 0xFFC007F0; / * 4 MB 17 WS or externel TA */
-/* memctl->memc_br5 = 0x80000801; / * Start at 0x80000000 */
+ memctl = &immr->im_memctl;
- memctl->memc_or5 = 0xFFC00708; /* 4 MB 17 WS or externel TA */
- memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */
+ /*
+ * Init ChipSelect #5 (S1D13768)
+ */
+ memctl->memc_or5 = 0xFFC007F0; /* 4 MB 17 WS or externel TA */
+ memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */
fb_info.VmemAddr = (unsigned char *) (S1D_PHYSICAL_VMEM_ADDR);
fb_info.RegAddr = (unsigned char *) (S1D_PHYSICAL_REG_ADDR);
if ((((S1D_VALUE *) fb_info.RegAddr)[0] != 0x28)
- || (((S1D_VALUE *) fb_info.RegAddr)[1] != 0x14)) {
+ || (((S1D_VALUE *) fb_info.RegAddr)[1] != 0x14)) {
printf ("Warning:LCD Controller S1D13706 not found\n");
+ setenv ("lcd", "none");
return;
}
- /* init controller */
- for (i = 0; i < sizeof (aS1DRegs) / sizeof (aS1DRegs[0]); i++) {
- s1dReg = aS1DRegs[i].Index;
- s1dValue = aS1DRegs[i].Value;
-/* printf("sid1 Index: %02x Register: %02x Wert: %02x\n",i, aS1DRegs[i].Index, aS1DRegs[i].Value); */
+
+ for (i = 0; i < sizeof(aS1DRegs_prelimn) / sizeof(aS1DRegs_prelimn[0]); i++) {
+ s1dReg = aS1DRegs_prelimn[i].Index;
+ s1dValue = aS1DRegs_prelimn[i].Value;
+ debugk ("s13768 reg: %02x value: %02x\n",
+ aS1DRegs_prelimn[i].Index, aS1DRegs_prelimn[i].Value);
((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
- s1dValue;
+ s1dValue;
}
-#undef MONOCHROME
-#ifdef MONOCHROME
- switch (bd->bi_busfreq) {
-#if 0
- case 24000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x28;
- break;
- case 32000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x33;
- break;
-#endif
- case 40000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x40;
- break;
- case 48000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x4C;
- break;
- default:
- printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",
- bd->bi_busfreq);
- case 64000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x69;
- break;
+
+ n = getenv_r ("lcd", tmp, sizeof (tmp));
+ if (n > 0) {
+ if (!strcmp ("tft", tmp))
+ tft = 1;
+ else
+ tft = 0;
}
- ((S1D_VALUE *) fb_info.RegAddr)[0x10] = 0x00;
-#else
- switch (bd->bi_busfreq) {
#if 0
- case 24000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
- break;
- case 32000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
- break;
-#endif
- case 40000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x41;
- break;
- case 48000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
- break;
- default:
- printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",
- bd->bi_busfreq);
- case 64000000:
- ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
- ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x66;
- break;
- }
+ if (((S1D_VALUE *) fb_info.RegAddr)[0xAC] & 0x04)
+ tft = 0;
+ else
+ tft = 1;
#endif
+ debugk ("Port=0x%02x -> TFT=%d\n", tft,
+ ((S1D_VALUE *) fb_info.RegAddr)[0xAC]);
+
+ /* init controller */
+ if (!tft) {
+ for (i = 0; i < sizeof(aS1DRegs_stn) / sizeof(aS1DRegs_stn[0]); i++) {
+ s1dReg = aS1DRegs_stn[i].Index;
+ s1dValue = aS1DRegs_stn[i].Value;
+ debugk ("s13768 reg: %02x value: %02x\n",
+ aS1DRegs_stn[i].Index,
+ aS1DRegs_stn[i].Value);
+ ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof(S1D_VALUE)] =
+ s1dValue;
+ }
+ n = getenv_r ("contrast", tmp, sizeof (tmp));
+ ((S1D_VALUE *) fb_info.RegAddr)[0xB3] =
+ (n > 0) ? (uchar) simple_strtoul (tmp, NULL, 10) * 255 / 100 : 0xA0;
+ switch (bd->bi_busfreq) {
+ case 40000000:
+ ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
+ ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x41;
+ break;
+ case 48000000:
+ ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22;
+ ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34;
+ break;
+ default:
+ printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
+ case 64000000:
+ ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32;
+ ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x66;
+ break;
+ }
+ /* setenv("lcd","stn"); */
+ } else {
+ for (i = 0; i < sizeof(aS1DRegs_tft) / sizeof(aS1DRegs_tft[0]); i++) {
+ s1dReg = aS1DRegs_tft[i].Index;
+ s1dValue = aS1DRegs_tft[i].Value;
+ debugk ("s13768 reg: %02x value: %02x\n",
+ aS1DRegs_tft[i].Index,
+ aS1DRegs_tft[i].Value);
+ ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] =
+ s1dValue;
+ }
+
+ switch (bd->bi_busfreq) {
+ default:
+ printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq);
+ case 40000000:
+ ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x42;
+ ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x30;
+ break;
+ }
+ /* setenv("lcd","tft"); */
+ }
/* create and set colormap */
rs = 256 / (r - 1);
r1 = (rs * ((i / (g * b)) % r)) * 255;
g1 = (gs * ((i / b) % g)) * 255;
b1 = (bs * ((i) % b)) * 255;
-/* printf("%d %04x %04x %04x\n",i,r1>>4,g1>>4,b1>>4); */
+ debugk ("%d %04x %04x %04x\n", i, r1 >> 4, g1 >> 4, b1 >> 4);
S1D_WRITE_PALETTE (fb_info.RegAddr, i, (r1 >> 4), (g1 >> 4),
- (b1 >> 4));
+ (b1 >> 4));
}
/* copy bitmap */
fb = (char *) (fb_info.VmemAddr);
memcpy (fb, (uchar *) CONFIG_KUP4K_LOGO, 320 * 240);
}
-#endif /* CONFIG_KUP4K_LOGO */
-
-#ifdef CONFIG_IDE_LED
-void ide_led (uchar led, uchar status)
-{
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
-
- /* We have one led for both pcmcia slots */
- if (status) { /* led on */
- immap->im_ioport.iop_padat &= ~0x80;
- } else {
- immap->im_ioport.iop_padat |= 0x80;
- }
-}
-#endif
+#endif /* CONFIG_KUP4K_LOGO */
git.openpandora.org / pandora-u-boot.git / blobdiff