diff options
Diffstat (limited to 'roms/u-boot/board/bf548-ezkit')
| -rw-r--r-- | roms/u-boot/board/bf548-ezkit/Makefile | 13 | ||||
| -rw-r--r-- | roms/u-boot/board/bf548-ezkit/bf548-ezkit.c | 64 | ||||
| -rw-r--r-- | roms/u-boot/board/bf548-ezkit/config.mk | 15 | ||||
| -rw-r--r-- | roms/u-boot/board/bf548-ezkit/video.c | 347 | 
4 files changed, 439 insertions, 0 deletions
diff --git a/roms/u-boot/board/bf548-ezkit/Makefile b/roms/u-boot/board/bf548-ezkit/Makefile new file mode 100644 index 00000000..6f4200bd --- /dev/null +++ b/roms/u-boot/board/bf548-ezkit/Makefile @@ -0,0 +1,13 @@ +# +# U-boot - Makefile +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier:	GPL-2.0+ +# + +obj-y	:= bf548-ezkit.o +obj-$(CONFIG_VIDEO)      += video.o diff --git a/roms/u-boot/board/bf548-ezkit/bf548-ezkit.c b/roms/u-boot/board/bf548-ezkit/bf548-ezkit.c new file mode 100644 index 00000000..cb9ee863 --- /dev/null +++ b/roms/u-boot/board/bf548-ezkit/bf548-ezkit.c @@ -0,0 +1,64 @@ +/* + * U-boot - main board file + * + * Copyright (c) 2005-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <command.h> +#include <netdev.h> +#include <asm/blackfin.h> +#include <asm/gpio.h> +#include <asm/portmux.h> +#include <asm/sdh.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ +	printf("Board: ADI BF548 EZ-Kit board\n"); +	printf("       Support: http://blackfin.uclinux.org/\n"); +	return 0; +} + +int board_early_init_f(void) +{ +	/* Set async addr lines as peripheral */ +	const unsigned short pins[] = { +		P_A4, P_A5, P_A6, P_A7, P_A8, P_A9, P_A10, P_A11, P_A12, +		P_A13, P_A14, P_A15, P_A16, P_A17, P_A18, P_A19, P_A20, +		P_A21, P_A22, P_A23, P_A24, 0 +	}; +	return peripheral_request_list(pins, "async"); +} + +#ifdef CONFIG_SMC911X +int board_eth_init(bd_t *bis) +{ +	return smc911x_initialize(0, CONFIG_SMC911X_BASE); +} +#endif + +#ifdef CONFIG_BFIN_SDH +int board_mmc_init(bd_t *bis) +{ +	return bfin_mmc_init(bis); +} +#endif + +#ifdef CONFIG_USB_BLACKFIN +void board_musb_init(void) +{ +	/* +	 * Rev 1.0 BF549 EZ-KITs require PE7 to be high for both device +	 * and OTG host modes, while rev 1.1 and greater require PE7 to +	 * be low for device mode and high for host mode.  We set it high +	 * here because we are in host mode. +	 */ +	gpio_request(GPIO_PE7, "musb-vbus"); +	gpio_direction_output(GPIO_PE7, 1); +} +#endif diff --git a/roms/u-boot/board/bf548-ezkit/config.mk b/roms/u-boot/board/bf548-ezkit/config.mk new file mode 100644 index 00000000..7bb8e9c9 --- /dev/null +++ b/roms/u-boot/board/bf548-ezkit/config.mk @@ -0,0 +1,15 @@ +# +# Copyright (c) 2005-2008 Analog Device Inc. +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier:	GPL-2.0+ +# + +# Set some default LDR flags based on boot mode. +LDR_FLAGS-BFIN_BOOT_PARA       := --dma 6 +LDR_FLAGS-BFIN_BOOT_FIFO       := --dma 1 +LDR_FLAGS-BFIN_BOOT_SPI_MASTER := --dma 1 +LDR_FLAGS-BFIN_BOOT_UART       := --dma 1 +LDR_FLAGS-BFIN_BOOT_NAND       := --dma 6 diff --git a/roms/u-boot/board/bf548-ezkit/video.c b/roms/u-boot/board/bf548-ezkit/video.c new file mode 100644 index 00000000..6737ac16 --- /dev/null +++ b/roms/u-boot/board/bf548-ezkit/video.c @@ -0,0 +1,347 @@ +/* + * video.c - run splash screen on lcd + * + * Copyright (c) 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <stdarg.h> +#include <common.h> +#include <config.h> +#include <malloc.h> +#include <asm/blackfin.h> +#include <asm/gpio.h> +#include <asm/portmux.h> +#include <asm/mach-common/bits/dma.h> +#include <i2c.h> +#include <linux/types.h> +#include <stdio_dev.h> + +#include <lzma/LzmaTypes.h> +#include <lzma/LzmaDec.h> +#include <lzma/LzmaTools.h> + +#define DMA_SIZE16	2 + +#include <asm/mach-common/bits/eppi.h> + +#include EASYLOGO_HEADER + +#define LCD_X_RES		480	/*Horizontal Resolution */ +#define LCD_Y_RES		272	/* Vertical Resolution */ + +#define LCD_BPP			24	/* Bit Per Pixel */ +#define LCD_PIXEL_SIZE		(LCD_BPP / 8) +#define	DMA_BUS_SIZE		32 +#define ACTIVE_VIDEO_MEM_OFFSET 0 + +/* 	-- Horizontal synchronizing -- + * + * Timing characteristics taken from the SHARP LQ043T1DG01 datasheet + * (LCY-W-06602A Page 9 of 22) + * + * Clock Frequency 	1/Tc Min 7.83 Typ 9.00 Max 9.26 MHz + * + * Period 		TH - 525 - Clock + * Pulse width 		THp - 41 - Clock + * Horizontal period 	THd - 480 - Clock + * Back porch 		THb - 2 - Clock + * Front porch 		THf - 2 - Clock + * + * -- Vertical synchronizing -- + * Period 		TV - 286 - Line + * Pulse width 		TVp - 10 - Line + * Vertical period 	TVd - 272 - Line + * Back porch 		TVb - 2 - Line + * Front porch 		TVf - 2 - Line + */ + +#define	LCD_CLK         	(8*1000*1000)	/* 8MHz */ + +/* # active data to transfer after Horizontal Delay clock */ +#define EPPI_HCOUNT		LCD_X_RES + +/* # active lines to transfer after Vertical Delay clock */ +#define EPPI_VCOUNT		LCD_Y_RES + +/* Samples per Line = 480 (active data) + 45 (padding) */ +#define EPPI_LINE		525 + +/* Lines per Frame = 272 (active data) + 14 (padding) */ +#define EPPI_FRAME		286 + +/* FS1 (Hsync) Width (Typical)*/ +#define EPPI_FS1W_HBL		41 + +/* FS1 (Hsync) Period (Typical) */ +#define EPPI_FS1P_AVPL		EPPI_LINE + +/* Horizontal Delay clock after assertion of Hsync (Typical) */ +#define EPPI_HDELAY		43 + +/* FS2 (Vsync) Width    = FS1 (Hsync) Period * 10 */ +#define EPPI_FS2W_LVB		(EPPI_LINE * 10) + + /* FS2 (Vsync) Period   = FS1 (Hsync) Period * Lines per Frame */ +#define EPPI_FS2P_LAVF		(EPPI_LINE * EPPI_FRAME) + +/* Vertical Delay after assertion of Vsync (2 Lines) */ +#define EPPI_VDELAY		12 + +#define EPPI_CLIP		0xFF00FF00 + +/* EPPI Control register configuration value for RGB out + * - EPPI as Output + * GP 2 frame sync mode, + * Internal Clock generation disabled, Internal FS generation enabled, + * Receives samples on EPPI_CLK raising edge, Transmits samples on EPPI_CLK falling edge, + * FS1 & FS2 are active high, + * DLEN = 6 (24 bits for RGB888 out) or 5 (18 bits for RGB666 out) + * DMA Unpacking disabled when RGB Formating is enabled, otherwise DMA unpacking enabled + * Swapping Enabled, + * One (DMA) Channel Mode, + * RGB Formatting Enabled for RGB666 output, disabled for RGB888 output + * Regular watermark - when FIFO is 100% full, + * Urgent watermark - when FIFO is 75% full + */ + +#define EPPI_CONTROL		(0x20136E2E) + +static inline u16 get_eppi_clkdiv(u32 target_ppi_clk) +{ +	u32 sclk = get_sclk(); + +	/* EPPI_CLK = (SCLK) / (2 * (EPPI_CLKDIV[15:0] + 1)) */ + +	return (((sclk / target_ppi_clk) / 2) - 1); +} + +void Init_PPI(void) +{ +	u16 eppi_clkdiv = get_eppi_clkdiv(LCD_CLK); + +	bfin_write_EPPI0_FS1W_HBL(EPPI_FS1W_HBL); +	bfin_write_EPPI0_FS1P_AVPL(EPPI_FS1P_AVPL); +	bfin_write_EPPI0_FS2W_LVB(EPPI_FS2W_LVB); +	bfin_write_EPPI0_FS2P_LAVF(EPPI_FS2P_LAVF); +	bfin_write_EPPI0_CLIP(EPPI_CLIP); + +	bfin_write_EPPI0_FRAME(EPPI_FRAME); +	bfin_write_EPPI0_LINE(EPPI_LINE); + +	bfin_write_EPPI0_HCOUNT(EPPI_HCOUNT); +	bfin_write_EPPI0_HDELAY(EPPI_HDELAY); +	bfin_write_EPPI0_VCOUNT(EPPI_VCOUNT); +	bfin_write_EPPI0_VDELAY(EPPI_VDELAY); + +	bfin_write_EPPI0_CLKDIV(eppi_clkdiv); + +/* + * DLEN = 6 (24 bits for RGB888 out) or 5 (18 bits for RGB666 out) + * RGB Formatting Enabled for RGB666 output, disabled for RGB888 output + */ +#if defined(CONFIG_VIDEO_RGB666) +		bfin_write_EPPI0_CONTROL((EPPI_CONTROL & ~DLENGTH) | DLEN_18 | +					 RGB_FMT_EN); +#else +		bfin_write_EPPI0_CONTROL(((EPPI_CONTROL & ~DLENGTH) | DLEN_24) & +					 ~RGB_FMT_EN); +#endif + +} + +#define               DEB2_URGENT  0x2000     /* DEB2 Urgent */ + +void Init_DMA(void *dst) +{ + +#if defined(CONFIG_DEB_DMA_URGENT) +	bfin_write_EBIU_DDRQUE(bfin_read_EBIU_DDRQUE() | DEB2_URGENT); +#endif + +	bfin_write_DMA12_START_ADDR(dst); + +	/* X count */ +	bfin_write_DMA12_X_COUNT((LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE); +	bfin_write_DMA12_X_MODIFY(DMA_BUS_SIZE / 8); + +	/* Y count */ +	bfin_write_DMA12_Y_COUNT(LCD_Y_RES); +	bfin_write_DMA12_Y_MODIFY(DMA_BUS_SIZE / 8); + +	/* DMA Config */ +	bfin_write_DMA12_CONFIG( +		WDSIZE_32	|	/* 32 bit DMA */ +		DMA2D 		|	/* 2D DMA */ +		FLOW_AUTO		/* autobuffer mode */ +	); +} + +void Init_Ports(void) +{ +	const unsigned short pins[] = { +		P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, P_PPI0_D4, +		P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, P_PPI0_D8, P_PPI0_D9, +		P_PPI0_D10, P_PPI0_D11, P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, +		P_PPI0_D15, P_PPI0_D16, P_PPI0_D17, +#if !defined(CONFIG_VIDEO_RGB666) +		P_PPI0_D18, P_PPI0_D19, P_PPI0_D20, P_PPI0_D21, P_PPI0_D22, +		P_PPI0_D23, +#endif +		P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, 0, +	}; +	peripheral_request_list(pins, "lcd"); + +	gpio_request(GPIO_PE3, "lcd-disp"); +	gpio_direction_output(GPIO_PE3, 1); +} + +void EnableDMA(void) +{ +	bfin_write_DMA12_CONFIG(bfin_read_DMA12_CONFIG() | DMAEN); +} + +void DisableDMA(void) +{ +	bfin_write_DMA12_CONFIG(bfin_read_DMA12_CONFIG() & ~DMAEN); +} + +/* enable and disable PPI functions */ +void EnablePPI(void) +{ +	bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN); +} + +void DisablePPI(void) +{ +	bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN); +} + +int video_init(void *dst) +{ +	Init_Ports(); +	Init_DMA(dst); +	EnableDMA(); +	Init_PPI(); +	EnablePPI(); + +	return 0; +} + +void video_stop(void) +{ +	DisablePPI(); +	DisableDMA(); +} + +static void dma_bitblit(void *dst, fastimage_t *logo, int x, int y) +{ +	if (dcache_status()) +		blackfin_dcache_flush_range(logo->data, logo->data + logo->size); + +	bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR); + +	/* Setup destination start address */ +	bfin_write_MDMA_D0_START_ADDR(dst + ((x & -2) * LCD_PIXEL_SIZE) +					+ (y * LCD_X_RES * LCD_PIXEL_SIZE)); +	/* Setup destination xcount */ +	bfin_write_MDMA_D0_X_COUNT(logo->width * LCD_PIXEL_SIZE / DMA_SIZE16); +	/* Setup destination xmodify */ +	bfin_write_MDMA_D0_X_MODIFY(DMA_SIZE16); + +	/* Setup destination ycount */ +	bfin_write_MDMA_D0_Y_COUNT(logo->height); +	/* Setup destination ymodify */ +	bfin_write_MDMA_D0_Y_MODIFY((LCD_X_RES - logo->width) * LCD_PIXEL_SIZE + DMA_SIZE16); + + +	/* Setup Source start address */ +	bfin_write_MDMA_S0_START_ADDR(logo->data); +	/* Setup Source xcount */ +	bfin_write_MDMA_S0_X_COUNT(logo->width * LCD_PIXEL_SIZE / DMA_SIZE16); +	/* Setup Source xmodify */ +	bfin_write_MDMA_S0_X_MODIFY(DMA_SIZE16); + +	/* Setup Source ycount */ +	bfin_write_MDMA_S0_Y_COUNT(logo->height); +	/* Setup Source ymodify */ +	bfin_write_MDMA_S0_Y_MODIFY(DMA_SIZE16); + + +	/* Enable source DMA */ +	bfin_write_MDMA_S0_CONFIG(DMAEN | WDSIZE_16 | DMA2D); +	SSYNC(); +	bfin_write_MDMA_D0_CONFIG(WNR | DMAEN  | WDSIZE_16 | DMA2D); + +	while (bfin_read_MDMA_D0_IRQ_STATUS() & DMA_RUN); + +	bfin_write_MDMA_S0_IRQ_STATUS(bfin_read_MDMA_S0_IRQ_STATUS() | DMA_DONE | DMA_ERR); +	bfin_write_MDMA_D0_IRQ_STATUS(bfin_read_MDMA_D0_IRQ_STATUS() | DMA_DONE | DMA_ERR); + +} + +void video_putc(const char c) +{ +} + +void video_puts(const char *s) +{ +} + +int drv_video_init(void) +{ +	int error, devices = 1; +	struct stdio_dev videodev; + +	u8 *dst; +	u32 fbmem_size = LCD_X_RES * LCD_Y_RES * LCD_PIXEL_SIZE + ACTIVE_VIDEO_MEM_OFFSET; + +	dst = malloc(fbmem_size); + +	if (dst == NULL) { +		printf("Failed to alloc FB memory\n"); +		return -1; +	} + +#ifdef EASYLOGO_ENABLE_GZIP +	unsigned char *data = EASYLOGO_DECOMP_BUFFER; +	unsigned long src_len = EASYLOGO_ENABLE_GZIP; +	error = gunzip(data, bfin_logo.size, bfin_logo.data, &src_len); +	bfin_logo.data = data; +#elif defined(EASYLOGO_ENABLE_LZMA) +	unsigned char *data = EASYLOGO_DECOMP_BUFFER; +	SizeT lzma_len = bfin_logo.size; +	error = lzmaBuffToBuffDecompress(data, &lzma_len, +		bfin_logo.data, EASYLOGO_ENABLE_LZMA); +	bfin_logo.data = data; +#else +	error = 0; +#endif + +	if (error) { +		puts("Failed to decompress logo\n"); +		free(dst); +		return -1; +	} + +	memset(dst + ACTIVE_VIDEO_MEM_OFFSET, bfin_logo.data[0], fbmem_size - ACTIVE_VIDEO_MEM_OFFSET); + +	dma_bitblit(dst + ACTIVE_VIDEO_MEM_OFFSET, &bfin_logo, +			(LCD_X_RES - bfin_logo.width) / 2, +			(LCD_Y_RES - bfin_logo.height) / 2); + +	video_init(dst);		/* Video initialization */ + +	memset(&videodev, 0, sizeof(videodev)); + +	strcpy(videodev.name, "video"); +	videodev.ext = DEV_EXT_VIDEO;	/* Video extensions */ +	videodev.flags = DEV_FLAGS_SYSTEM;	/* No Output */ +	videodev.putc = video_putc;	/* 'putc' function */ +	videodev.puts = video_puts;	/* 'puts' function */ + +	error = stdio_register(&videodev); + +	return (error == 0) ? devices : error; +}  | 
