diff options
| -rw-r--r-- | CHANGELOG | 2 | ||||
| -rw-r--r-- | board/mcc200/Makefile | 2 | ||||
| -rw-r--r-- | board/mcc200/lcd.c | 190 | ||||
| -rw-r--r-- | common/lcd.c | 28 | ||||
| -rw-r--r-- | cpu/mpc5xxx/serial.c | 56 | ||||
| -rw-r--r-- | include/configs/mcc200.h | 15 | ||||
| -rw-r--r-- | include/lcd.h | 9 |
7 files changed, 297 insertions, 5 deletions
@@ -2,6 +2,8 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add splashscreen support for MCC200 board. + * Make the serial driver framework work with CONFIG_SERIAL_MULTI enabled diff --git a/board/mcc200/Makefile b/board/mcc200/Makefile index 7fdc088e9..bd75859f6 100644 --- a/board/mcc200/Makefile +++ b/board/mcc200/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS := $(BOARD).o +OBJS := $(BOARD).o lcd.o $(LIB): $(OBJS) $(SOBJS) $(AR) crv $@ $(OBJS) diff --git a/board/mcc200/lcd.c b/board/mcc200/lcd.c new file mode 100644 index 000000000..b2625160a --- /dev/null +++ b/board/mcc200/lcd.c @@ -0,0 +1,190 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <lcd.h> +#include <mpc5xxx.h> + +#ifdef CONFIG_LCD + +#define SWAPPED_LCD +/* + * The name of the device used for communication + * with the PSoC. + */ +#define PSOC_PSC MPC5XXX_PSC2 +#define PSOC_BAUD 500000UL + +#define RTS_ASSERT 1 +#define RTS_NEGATE 0 +#define CTS_ASSERT 1 +#define CTS_NEGATE 0 + +/* + * Dimensions in pixels + */ +#define LCD_WIDTH 160 +#define LCD_HEIGHT 100 + +/* + * Dimensions in bytes + */ +#define LCD_BUF_SIZE ((LCD_WIDTH*LCD_HEIGHT)>>3) + +#if LCD_BPP != LCD_MONOCHROME +#error "MCC200 support only monochrome displays (1 bpp)!" +#endif + +#define PSOC_RETRIES 10 /* each of PSOC_WAIT_TIME */ +#define PSOC_WAIT_TIME 10 /* usec */ + +DECLARE_GLOBAL_DATA_PTR; + +/* + * LCD information + */ +vidinfo_t panel_info = { + LCD_WIDTH, LCD_HEIGHT, LCD_BPP +}; + +int lcd_line_length; + +int lcd_color_fg; +int lcd_color_bg; + +/* + * Frame buffer memory information + */ +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +short console_col = 0; +short console_row = 0; + +/* + * The device we use to communicate with PSoC + */ +int serial_inited = 0; + +/* + * Exported functions + */ +void lcd_initcolregs (void); +void lcd_ctrl_init (void *lcdbase); +void lcd_enable (void); + +/* + * Imported functions to support the PSoC protocol + */ +extern int serial_init_dev (unsigned long dev_base); +extern void serial_setrts_dev (unsigned long dev_base, int s); +extern int serial_getcts_dev (unsigned long dev_base); +extern void serial_putc_raw_dev(unsigned long dev_base, const char c); + +/* + * Just stubs for our driver, needed for compiling compabilty with + * the common LCD driver code. + */ +void lcd_initcolregs (void) +{ +} + +void lcd_ctrl_init (void *lcdbase) +{ +} + +/* + * Function sends the contents of the frame-buffer to the LCD + */ +void lcd_enable (void) +{ + int i, retries, fb_size; + + if (!serial_inited) { + unsigned long baud; + + baud = gd->baudrate; + gd->baudrate = PSOC_BAUD; + serial_init_dev(PSOC_PSC); + gd->baudrate = baud; + serial_setrts_dev (PSOC_PSC, RTS_ASSERT); + serial_inited = 1; + } + + /* + * Implement PSoC communication protocol: + * 1. Assert RTS, wait CTS assertion + * 2. Transmit data + * 3. Negate RTS, wait CTS negation + */ + + /* 1 */ + serial_setrts_dev (PSOC_PSC, RTS_ASSERT); + for (retries = PSOC_RETRIES; retries; retries--) { + if (serial_getcts_dev(PSOC_PSC) == CTS_ASSERT) + break; + udelay (PSOC_WAIT_TIME); + } + if (!retries) { + printf ("%s Error: PSoC doesn't respond on " + "RTS ASSERT\n", __FUNCTION__); + } + + /* 2 */ + fb_size = panel_info.vl_row * (panel_info.vl_col >> 3); + +#if !defined(SWAPPED_LCD) + for (i=0; i<fb_size; i++) { + serial_putc_raw_dev (PSOC_PSC, ((char *)lcd_base)[i]); + } +#else + { + int x, y, pwidth; + char *p = (char *)lcd_base; + + pwidth = ((panel_info.vl_col+7) >> 3); + for (y=0; y<panel_info.vl_row; y++) { + i = y * pwidth; + for (x=0; x<pwidth; x+=5) { + serial_putc_raw_dev (PSOC_PSC, (p[i+x+2]<<4 & 0xF0) | (p[i+x+3]>>4 & 0x0F)); + serial_putc_raw_dev (PSOC_PSC, (p[i+x+3]<<4 & 0xF0) | (p[i+x+4]>>4 & 0x0F)); + serial_putc_raw_dev (PSOC_PSC, (p[i+x+4]<<4 & 0xF0) | (p[i+x]>>4 & 0x0F)); + serial_putc_raw_dev (PSOC_PSC, (p[i+x]<<4 & 0xF0) | (p[i+x+1]>>4 & 0x0F)); + serial_putc_raw_dev (PSOC_PSC, (p[i+x+1]<<4 & 0xF0) | (p[i+x+2]>>4 & 0x0F)); + } + } + } +#endif + + /* 3 */ + serial_setrts_dev (PSOC_PSC, RTS_NEGATE); + for (retries = PSOC_RETRIES; retries; retries--) { + if (serial_getcts_dev(PSOC_PSC) == CTS_NEGATE) + break; + udelay (PSOC_WAIT_TIME); + } + if (!retries) { + printf ("%s Error: PSoC doesn't respond on " + "RTS NEGATE\n", __FUNCTION__); + } + + return; +} +#endif /* CONFIG_LCD */ diff --git a/common/lcd.c b/common/lcd.c index 0be1912a3..d79350f23 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -585,6 +585,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) uchar *bmap; ushort padded_line; unsigned long width, height; + unsigned long pwidth = panel_info.vl_col; unsigned colors,bpix; unsigned long compression; #if defined(CONFIG_PXA250) @@ -628,6 +629,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); +#elif defined(CONFIG_MCC200) + /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ #else # error "Don't know location of color map" #endif @@ -652,9 +655,28 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) } } + /* + * BMP format for Monochrome assumes that the state of a + * pixel is described on a per Bit basis, not per Byte. + * So, in case of Monochrome BMP we should align widths + * on a byte boundary and convert them from Bit to Byte + * units. + * Probably, PXA250 and MPC823 process 1bpp BMP images in + * their own ways, so make the converting to be MCC200 + * specific. + */ +#if defined(CONFIG_MCC200) + if (bpix==1) + { + width = ((width + 7) & ~7) >> 3; + x = ((x + 7) & ~7) >> 3; + pwidth= ((pwidth + 7) & ~7) >> 3; + } +#endif + padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); - if ((x + width)>panel_info.vl_col) - width = panel_info.vl_col - x; + if ((x + width)>pwidth) + width = pwidth - x; if ((y + height)>panel_info.vl_row) height = panel_info.vl_row - y; @@ -666,7 +688,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) for (j = 0; j < width ; j++) #if defined(CONFIG_PXA250) *(fb++)=*(bmap++); -#elif defined(CONFIG_MPC823) +#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) *(fb++)=255-*(bmap++); #endif bmap += (width - padded_line); diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c index 6cb523d3c..430d63f74 100644 --- a/cpu/mpc5xxx/serial.c +++ b/cpu/mpc5xxx/serial.c @@ -166,6 +166,25 @@ void serial_putc(const char c) } #if defined(CONFIG_SERIAL_MULTI) +void serial_putc_raw_dev(unsigned long dev_base, const char c) +#else +void serial_putc_raw(const char c) +#endif +{ +#if defined(CONFIG_SERIAL_MULTI) + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base; +#else + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; +#endif + /* Wait for last character to go. */ + while (!(psc->psc_status & PSC_SR_TXEMP)) + ; + + psc->psc_buffer_8 = c; +} + + +#if defined(CONFIG_SERIAL_MULTI) void serial_puts_dev (unsigned long dev_base, const char *s) #else void serial_puts (const char *s) @@ -240,6 +259,43 @@ void serial_setbrg(void) } #if defined(CONFIG_SERIAL_MULTI) +void serial_setrts_dev (unsigned long dev_base, int s) +#else +void serial_setrts(int s) +#endif +{ +#if defined(CONFIG_SERIAL_MULTI) + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base; +#else + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; +#endif + + if (s) { + /* Assert RTS (become LOW) */ + psc->op1 = 0x1; + } + else { + /* Negate RTS (become HIGH) */ + psc->op0 = 0x1; + } +} + +#if defined(CONFIG_SERIAL_MULTI) +int serial_getcts_dev (unsigned long dev_base) +#else +int serial_getcts(void) +#endif +{ +#if defined(CONFIG_SERIAL_MULTI) + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base; +#else + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; +#endif + + return (psc->ip & 0x1) ? 0 : 1; +} + +#if defined(CONFIG_SERIAL_MULTI) int serial0_init(void) { return (serial_init_dev(PSC_BASE)); diff --git a/include/configs/mcc200.h b/include/configs/mcc200.h index 61014ecd1..e95d68bfb 100644 --- a/include/configs/mcc200.h +++ b/include/configs/mcc200.h @@ -259,11 +259,26 @@ #define CONFIG_PHY_ADDR 1 /* + * LCD Splash Screen + */ +#define CONFIG_LCD 1 +#if defined(CONFIG_LCD) +#define CONFIG_SPLASH_SCREEN 1 +#define CFG_CONSOLE_IS_IN_ENV 1 +#define LCD_BPP LCD_MONOCHROME +#endif + +/* * GPIO configuration */ /* 0x10000004 = 32MB SDRAM */ /* 0x90000004 = 64MB SDRAM */ +#if defined(CONFIG_LCD) +/* set PSC2 in UART mode */ +#define CFG_GPS_PORT_CONFIG 0x00000044 +#else #define CFG_GPS_PORT_CONFIG 0x00000004 +#endif /* * Miscellaneous configurable options diff --git a/include/lcd.h b/include/lcd.h index 7e23736bc..b68858382 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -148,7 +148,14 @@ typedef struct vidinfo { extern vidinfo_t panel_info; -#endif /* CONFIG_MPC823 or CONFIG_PXA250 */ +#elif defined(CONFIG_MCC200) +typedef struct vidinfo { + ushort vl_col; /* Number of columns (i.e. 160) */ + ushort vl_row; /* Number of rows (i.e. 100) */ + + u_char vl_bpix; /* Bits per pixel, 0 = 1 */ +} vidinfo_t; +#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */ /* Video functions */ |