upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/drivers/video/mpc8xx_lcd.c

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/*
* (C) Copyright 2001-2002
* Wolfgang Denk, DENX Software Engineering -- wd@denx.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
/************************************************************************/
/* ** HEADER FILES */
/************************************************************************/
/* #define DEBUG */
#include <config.h>
#include <common.h>
#include <command.h>
#include <watchdog.h>
#include <version.h>
#include <stdarg.h>
#include <lcdvideo.h>
#include <linux/types.h>
#include <stdio_dev.h>
#if defined(CONFIG_POST)
#include <post.h>
#endif
#include <lcd.h>
#ifdef CONFIG_LCD
/************************************************************************/
/* ** CONFIG STUFF -- should be moved to board config file */
/************************************************************************/
#ifndef CONFIG_LCD_INFO
#define CONFIG_LCD_INFO /* Display Logo, (C) and system info */
#endif
/*----------------------------------------------------------------------*/
#ifdef CONFIG_KYOCERA_KCS057QV1AJ
/*
* Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
*/
#define LCD_BPP LCD_COLOR4
vidinfo_t panel_info = {
640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
LCD_BPP, 1, 0, 1, 0, 5, 0, 0, 0
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
#ifdef CONFIG_HITACHI_SP19X001_Z1A
/*
* Hitachi SP19X001-. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 154, 116, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HITACHI_SP19X001_Z1A */
/*----------------------------------------------------------------------*/
/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6448AC33
/*
* NEC NL6448AC33-18. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448AC33 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6448BC20
/*
* NEC NL6448BC20-08. 6.5", 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448BC20 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_NEC_NL6448BC33_54
/*
* NEC NL6448BC33-54. 10.4", 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 212, 158, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_NEC_NL6448BC33_54 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ104V7DS01
/*
* SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_LOW,
3, 0, 0, 1, 1, 25, 1, 0, 33
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ104V7DS01 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_16x9
/*
* Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am
* not sure what it is.......
*/
vidinfo_t panel_info = {
320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 15, 4, 0, 3
};
#endif /* CONFIG_SHARP_16x9 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ057Q3DC02
/*
* Sharp LQ057Q3DC02 display. Active, color, single scan.
*/
#undef LCD_DF
#define LCD_DF 12
vidinfo_t panel_info = {
320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 15, 4, 0, 3
/* wbl, vpw, lcdac, wbf */
};
#define CONFIG_LCD_INFO_BELOW_LOGO
#endif /* CONFIG_SHARP_LQ057Q3DC02 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_SHARP_LQ64D341
/*
* Sharp LQ64D341 display, 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 128, 16, 0, 32
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ64D341 */
#ifdef CONFIG_SHARP_LQ065T9DR51U
/*
* Sharp LQ065T9DR51U display, 400x240. Active, color, single scan.
*/
vidinfo_t panel_info = {
400, 240, 143, 79, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 248, 4, 0, 35
/* wbl, vpw, lcdac, wbf */
};
#define CONFIG_LCD_INFO_BELOW_LOGO
#endif /* CONFIG_SHARP_LQ065T9DR51U */
#ifdef CONFIG_SHARP_LQ084V1DG21
/*
* Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 171, 129, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_LOW,
3, 0, 0, 1, 1, 160, 3, 0, 48
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_SHARP_LQ084V1DG21 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_HLD1045
/*
* HLD1045 display, 640x480. Active, color, single scan.
*/
vidinfo_t panel_info = {
640, 480, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 160, 3, 0, 48
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_HLD1045 */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_PRIMEVIEW_V16C6448AC
/*
* Prime View V16C6448AC
*/
vidinfo_t panel_info = {
640, 480, 130, 98, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
3, 0, 0, 1, 1, 144, 2, 0, 35
/* wbl, vpw, lcdac, wbf */
};
#endif /* CONFIG_PRIMEVIEW_V16C6448AC */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_OPTREX_BW
/*
* Optrex CBL50840-2 NF-FW 99 22 M5
* or
* Hitachi LMG6912RPFC-00T
* or
* Hitachi SP14Q002
*
* 320x240. Black & white.
*/
#define OPTREX_BPP 0 /* 0 - monochrome, 1 bpp */
/* 1 - 4 grey levels, 2 bpp */
/* 2 - 16 grey levels, 4 bpp */
vidinfo_t panel_info = {
320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW,
OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
};
#endif /* CONFIG_OPTREX_BW */
/************************************************************************/
/* ----------------- chipset specific functions ----------------------- */
/************************************************************************/
/*
* Calculate fb size for VIDEOLFB_ATAG.
*/
ulong calc_fbsize (void)
{
ulong size;
int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
size = line_length * panel_info.vl_row;
return size;
}
void lcd_ctrl_init (void *lcdbase)
{
volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
volatile lcd823_t *lcdp = &immr->im_lcd;
uint lccrtmp;
uint lchcr_hpc_tmp;
/* Initialize the LCD control register according to the LCD
* parameters defined. We do everything here but enable
* the controller.
*/
lccrtmp = LCDBIT (LCCR_BNUM_BIT,
(((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp) |
LCDBIT (LCCR_OEP_BIT, panel_info.vl_oep) |
LCDBIT (LCCR_HSP_BIT, panel_info.vl_hsp) |
LCDBIT (LCCR_VSP_BIT, panel_info.vl_vsp) |
LCDBIT (LCCR_DP_BIT, panel_info.vl_dp) |
LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix) |
LCDBIT (LCCR_LBW_BIT, panel_info.vl_lbw) |
LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt) |
LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor) |
LCDBIT (LCCR_TFT_BIT, panel_info.vl_tft);
#if 0
lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
lccrtmp |= LCCR_EIEN;
#endif
lcdp->lcd_lccr = lccrtmp;
lcdp->lcd_lcsr = 0xFF; /* Clear pending interrupts */
/* Initialize LCD controller bus priorities.
*/
immr->im_siu_conf.sc_sdcr &= ~0x0f; /* RAID = LAID = 0 */
/* set SHFT/CLOCK division factor 4
* This needs to be set based upon display type and processor
* speed. The TFT displays run about 20 to 30 MHz.
* I was running 64 MHz processor speed.
* The value for this divider must be chosen so the result is
* an integer of the processor speed (i.e., divide by 3 with
* 64 MHz would be bad).
*/
immr->im_clkrst.car_sccr &= ~0x1F;
immr->im_clkrst.car_sccr |= LCD_DF; /* was 8 */
/* Enable LCD on port D.
*/
immr->im_ioport.iop_pdpar |= 0x1FFF;
immr->im_ioport.iop_pddir |= 0x1FFF;
/* Enable LCD_A/B/C on port B.
*/
immr->im_cpm.cp_pbpar |= 0x00005001;
immr->im_cpm.cp_pbdir |= 0x00005001;
/* Load the physical address of the linear frame buffer
* into the LCD controller.
* BIG NOTE: This has to be modified to load A and B depending
* upon the split mode of the LCD.
*/
lcdp->lcd_lcfaa = (ulong)lcdbase;
lcdp->lcd_lcfba = (ulong)lcdbase;
/* MORE HACKS...This must be updated according to 823 manual
* for different panels.
* Udi Finkelstein - done - see below:
* Note: You better not try unsupported combinations such as
* 4-bit wide passive dual scan LCD at 4/8 Bit color.
*/
lchcr_hpc_tmp =
(panel_info.vl_col *
(panel_info.vl_tft ? 8 :
(((2 - panel_info.vl_lbw) << /* 4 bit=2, 8-bit = 1 */
/* use << to mult by: single scan = 1, dual scan = 2 */
panel_info.vl_splt) *
(panel_info.vl_bpix | 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */
lcdp->lcd_lchcr = LCHCR_BO |
LCDBIT (LCHCR_AT_BIT, 4) |
LCDBIT (LCHCR_HPC_BIT, lchcr_hpc_tmp) |
panel_info.vl_wbl;
lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
panel_info.vl_wbf;
}
/*----------------------------------------------------------------------*/
#if LCD_BPP == LCD_COLOR8
void
lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
{
volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
volatile cpm8xx_t *cp = &(immr->im_cpm);
unsigned short colreg, *cmap_ptr;
cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
colreg = ((red & 0x0F) << 8) |
((green & 0x0F) << 4) |
(blue & 0x0F) ;
*cmap_ptr = colreg;
debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
regno, &(cp->lcd_cmap[regno * 2]),
red, green, blue,
cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
}
#endif /* LCD_COLOR8 */
/*----------------------------------------------------------------------*/
void lcd_enable (void)
{
volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
volatile lcd823_t *lcdp = &immr->im_lcd;
/* Enable the LCD panel */
immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25)); /* LAM = 1 */
lcdp->lcd_lccr |= LCCR_PON;
}
/************************************************************************/
#endif /* CONFIG_LCD */