[U-Boot] [PATCH 36/42] Blackfin: cm-bf548: new board port
Mike Frysinger
vapier at gentoo.org
Tue Feb 10 07:21:14 CET 2009
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
MAINTAINERS | 1 +
MAKEALL | 1 +
Makefile | 4 +-
board/cm-bf548/.gitignore | 1 +
board/cm-bf548/Makefile | 60 ++++++++
board/cm-bf548/cm-bf548.c | 79 ++++++++++
board/cm-bf548/config.mk | 36 +++++
board/cm-bf548/nand.c | 2 +
board/cm-bf548/spi_flash.c | 2 +
board/cm-bf548/u-boot.lds.S | 124 ++++++++++++++++
board/cm-bf548/video.c | 339 +++++++++++++++++++++++++++++++++++++++++++
include/configs/cm-bf548.h | 150 +++++++++++++++++++
12 files changed, 797 insertions(+), 2 deletions(-)
create mode 100644 board/cm-bf548/.gitignore
create mode 100644 board/cm-bf548/Makefile
create mode 100644 board/cm-bf548/cm-bf548.c
create mode 100644 board/cm-bf548/config.mk
create mode 100644 board/cm-bf548/nand.c
create mode 100644 board/cm-bf548/spi_flash.c
create mode 100644 board/cm-bf548/u-boot.lds.S
create mode 100644 board/cm-bf548/video.c
create mode 100644 include/configs/cm-bf548.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 6d1bfee..37f8118 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -860,6 +860,7 @@ Blackfin Team <u-boot-devel at blackfin.uclinux.org>
CM-BF533 BF533
CM-BF537E BF537
+ CM-BF548 BF548
CM-BF561 BF561
TCM-BF537 BF537
diff --git a/MAKEALL b/MAKEALL
index 806e7a9..32f770e 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -791,6 +791,7 @@ LIST_blackfin=" \
bf561-ezkit \
cm-bf533 \
cm-bf537e \
+ cm-bf548 \
cm-bf561 \
tcm-bf537 \
"
diff --git a/Makefile b/Makefile
index 65a6c9f..7a50144 100644
--- a/Makefile
+++ b/Makefile
@@ -3293,7 +3293,7 @@ BFIN_BOARDS = bf518f-ezbrd bf526-ezbrd bf527-ezkit bf533-ezkit bf533-stamp \
bf537-stamp bf538f-ezkit bf548-ezkit bf561-ezkit
# Bluetechnix tinyboards
-BFIN_BOARDS += cm-bf533 cm-bf537e cm-bf561 tcm-bf537
+BFIN_BOARDS += cm-bf533 cm-bf537e cm-bf548 cm-bf561 tcm-bf537
$(BFIN_BOARDS:%=%_config) : unconfig
@$(MKCONFIG) $(@:_config=) blackfin blackfin $(@:_config=)
@@ -3456,7 +3456,7 @@ clean:
$(obj)board/netstar/{eeprom,crcek,crcit,*.srec,*.bin} \
$(obj)board/trab/trab_fkt $(obj)board/voiceblue/eeprom \
$(obj)board/{integratorap,integratorcp}/u-boot.lds \
- $(obj)board/{,t}cm-bf5{33,37e,61}/u-boot.lds \
+ $(obj)board/{,t}cm-bf5{33,37e,48,61}/u-boot.lds \
$(obj)board/bf5{18f,26,27,33,37,38f,48,61}-{ez{kit,brd},stamp}/u-boot.lds \
$(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
@rm -f $(obj)include/bmp_logo.h
diff --git a/board/cm-bf548/.gitignore b/board/cm-bf548/.gitignore
new file mode 100644
index 0000000..945f324
--- /dev/null
+++ b/board/cm-bf548/.gitignore
@@ -0,0 +1 @@
+/u-boot.lds
diff --git a/board/cm-bf548/Makefile b/board/cm-bf548/Makefile
new file mode 100644
index 0000000..c7c297e
--- /dev/null
+++ b/board/cm-bf548/Makefile
@@ -0,0 +1,60 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS-y := $(BOARD).o
+COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
+COBJS-$(CONFIG_CMD_NAND) += nand.o
+COBJS-$(CONFIG_VIDEO) += video.o
+
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+$(obj)u-boot.lds: u-boot.lds.S
+ $(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/cm-bf548/cm-bf548.c b/board/cm-bf548/cm-bf548.c
new file mode 100644
index 0000000..1c26600
--- /dev/null
+++ b/board/cm-bf548/cm-bf548.c
@@ -0,0 +1,79 @@
+/*
+ * 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 <asm/blackfin.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: Bluetechnix CM-BF548 board\n");
+ printf(" Support: http://www.bluetechnix.at/\n");
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+ return gd->bd->bi_memsize;
+}
+
+int board_early_init_f(void)
+{
+ /* Port H: PH8 - PH13 == A4 - A9
+ * address lines of the parallel asynchronous memory interface
+ */
+
+ /************************************************
+ * configure GPIO *
+ * set port H function enable register *
+ * configure PH8-PH13 as peripheral (not GPIO) *
+ *************************************************/
+ bfin_write_PORTH_FER(0x3F03);
+
+ /************************************************
+ * set port H MUX to configure PH8-PH13 *
+ * 1st Function (MUX = 00) (bits 16-27 == 0) *
+ * Set to address signals A4-A9 *
+ *************************************************/
+ bfin_write_PORTH_MUX(0);
+
+ /************************************************
+ * set port H direction register *
+ * enable PH8-PH13 as outputs *
+ *************************************************/
+ bfin_write_PORTH_DIR_SET(0x3F00);
+
+ /* Port I: PI0 - PH14 == A10 - A24
+ * address lines of the parallel asynchronous memory interface
+ */
+
+ /************************************************
+ * set port I function enable register *
+ * configure PI0-PI14 as peripheral (not GPIO) *
+ *************************************************/
+ bfin_write_PORTI_FER(0x7fff);
+
+ /**************************************************
+ * set PORT I MUX to configure PI14-PI0 as *
+ * 1st Function (MUX=00) - address signals A10-A24 *
+ ***************************************************/
+ bfin_write_PORTI_MUX(0);
+
+ /****************************************
+ * set PORT I direction register *
+ * enable PI0 - PI14 as outputs *
+ *****************************************/
+ bfin_write_PORTI_DIR_SET(0x7fff);
+
+ return 0;
+}
diff --git a/board/cm-bf548/config.mk b/board/cm-bf548/config.mk
new file mode 100644
index 0000000..0dbce93
--- /dev/null
+++ b/board/cm-bf548/config.mk
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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
+#
+
+# This is not actually used for Blackfin boards so do not change it
+#TEXT_BASE = do-not-use-me
+
+LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds
+
+# 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 += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
diff --git a/board/cm-bf548/nand.c b/board/cm-bf548/nand.c
new file mode 100644
index 0000000..bce563e
--- /dev/null
+++ b/board/cm-bf548/nand.c
@@ -0,0 +1,2 @@
+/* Share the nand driver */
+#include "../bf548-ezkit/nand.c"
diff --git a/board/cm-bf548/spi_flash.c b/board/cm-bf548/spi_flash.c
new file mode 100644
index 0000000..8784741
--- /dev/null
+++ b/board/cm-bf548/spi_flash.c
@@ -0,0 +1,2 @@
+/* Share the spi flash code */
+#include "../bf537-stamp/spi_flash.c"
diff --git a/board/cm-bf548/u-boot.lds.S b/board/cm-bf548/u-boot.lds.S
new file mode 100644
index 0000000..3e8be35
--- /dev/null
+++ b/board/cm-bf548/u-boot.lds.S
@@ -0,0 +1,124 @@
+/*
+ * U-boot - u-boot.lds.S
+ *
+ * Copyright (c) 2005-2008 Analog Device Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 <config.h>
+#include <asm/blackfin.h>
+#undef ALIGN
+#undef ENTRY
+#undef bfin
+
+/* If we don't actually load anything into L1 data, this will avoid
+ * a syntax error. If we do actually load something into L1 data,
+ * we'll get a linker memory load error (which is what we'd want).
+ * This is here in the first place so we can quickly test building
+ * for different CPU's which may lack non-cache L1 data.
+ */
+#ifndef L1_DATA_B_SRAM
+# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
+# define L1_DATA_B_SRAM_SIZE 0
+#endif
+
+OUTPUT_ARCH(bfin)
+
+MEMORY
+{
+ ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
+ l1_code : ORIGIN = L1_INST_SRAM, LENGTH = L1_INST_SRAM_SIZE
+ l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
+}
+
+ENTRY(_start)
+SECTIONS
+{
+ .text :
+ {
+ cpu/blackfin/start.o (.text .text.*)
+ __initcode_start = .;
+ cpu/blackfin/initcode.o (.text .text.*)
+ __initcode_end = .;
+ *(.text .text.*)
+ } >ram
+
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata .rodata.*)
+ *(.rodata1)
+ *(.eh_frame)
+ . = ALIGN(4);
+ } >ram
+
+ .data :
+ {
+ . = ALIGN(256);
+ *(.data .data.*)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ } >ram
+
+ .u_boot_cmd :
+ {
+ ___u_boot_cmd_start = .;
+ *(.u_boot_cmd)
+ ___u_boot_cmd_end = .;
+ } >ram
+
+ .text_l1 :
+ {
+ . = ALIGN(4);
+ __stext_l1 = .;
+ *(.l1.text)
+ . = ALIGN(4);
+ __etext_l1 = .;
+ } >l1_code AT>ram
+ __stext_l1_lma = LOADADDR(.text_l1);
+
+ .data_l1 :
+ {
+ . = ALIGN(4);
+ __sdata_l1 = .;
+ *(.l1.data)
+ *(.l1.bss)
+ . = ALIGN(4);
+ __edata_l1 = .;
+ } >l1_data AT>ram
+ __sdata_l1_lma = LOADADDR(.data_l1);
+
+ .bss :
+ {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss .bss.*)
+ *(COMMON)
+ __bss_end = .;
+ } >ram
+}
diff --git a/board/cm-bf548/video.c b/board/cm-bf548/video.c
new file mode 100644
index 0000000..49dbe77
--- /dev/null
+++ b/board/cm-bf548/video.c
@@ -0,0 +1,339 @@
+/*
+ * 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/mach-common/bits/dma.h>
+#include <i2c.h>
+#include <linux/types.h>
+#include <devices.h>
+
+int gunzip(void *, int, unsigned char *, unsigned long *);
+
+#ifdef CONFIG_VIDEO
+
+#define DMA_SIZE16 2
+
+#include <asm/mach-common/bits/eppi.h>
+
+#include <asm/bfin_logo_230x230.h>
+
+#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)
+ *pEBIU_DDRQUE |= DEB2_URGENT;
+#endif
+
+ *pDMA12_START_ADDR = dst;
+
+ /* X count */
+ *pDMA12_X_COUNT = (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE;
+ *pDMA12_X_MODIFY = DMA_BUS_SIZE / 8;
+
+ /* Y count */
+ *pDMA12_Y_COUNT = LCD_Y_RES;
+ *pDMA12_Y_MODIFY = DMA_BUS_SIZE / 8;
+
+ /* DMA Config */
+ *pDMA12_CONFIG = WDSIZE_32 | /* 32 bit DMA */
+ DMA2D | /* 2D DMA */
+ FLOW_AUTO; /* autobuffer mode */
+}
+
+void Init_Ports(void)
+{
+ *pPORTF_MUX = 0x00000000;
+ *pPORTF_FER |= 0xFFFF; /* PPI0..15 */
+
+ *pPORTG_MUX &=
+ ~(PORT_x_MUX_0_MASK | PORT_x_MUX_1_MASK | PORT_x_MUX_2_MASK |
+ PORT_x_MUX_3_MASK | PORT_x_MUX_4_MASK);
+ *pPORTG_FER |= PG0 | PG1 | PG2 | PG3 | PG4; /* CLK, FS1, FS2, PPI16..17 */
+
+#if !defined(CONFIG_VIDEO_RGB666)
+ *pPORTD_MUX &=
+ ~(PORT_x_MUX_0_MASK | PORT_x_MUX_1_MASK | PORT_x_MUX_2_MASK |
+ PORT_x_MUX_3_MASK | PORT_x_MUX_4_MASK | PORT_x_MUX_5_MASK);
+ *pPORTD_MUX |=
+ (PORT_x_MUX_0_FUNC_4 | PORT_x_MUX_1_FUNC_4 | PORT_x_MUX_2_FUNC_4 |
+ PORT_x_MUX_3_FUNC_4 | PORT_x_MUX_4_FUNC_4 | PORT_x_MUX_5_FUNC_4);
+ *pPORTD_FER |= PD0 | PD1 | PD2 | PD3 | PD4 | PD5; /* PPI18..23 */
+#endif
+
+ *pPORTE_FER &= ~PE3; /* DISP */
+ *pPORTE_DIR_SET = PE3;
+ *pPORTE_SET = PE3;
+
+}
+
+void EnableDMA(void)
+{
+ *pDMA12_CONFIG |= DMAEN;
+}
+
+void DisableDMA(void)
+{
+ *pDMA12_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;
+}
+
+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;
+ device_t 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;
+ if (gunzip(data, bfin_logo.size, bfin_logo.data, &src_len)) {
+ puts("Failed to decompress logo\n");
+ free(dst);
+ return -1;
+ }
+ bfin_logo.data = data;
+#endif
+
+ 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 = device_register(&videodev);
+
+ return (error == 0) ? devices : error;
+}
+
+#endif
diff --git a/include/configs/cm-bf548.h b/include/configs/cm-bf548.h
new file mode 100644
index 0000000..e7eabf0
--- /dev/null
+++ b/include/configs/cm-bf548.h
@@ -0,0 +1,150 @@
+/*
+ * U-boot - Configuration file for cm-bf548 board
+ */
+
+#ifndef __CONFIG_CM_BF548_H__
+#define __CONFIG_CM_BF548_H__
+
+#include <asm/blackfin-config-pre.h>
+
+
+/*
+ * Processor Settings
+ */
+#define CONFIG_BFIN_CPU bf548-0.0
+#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_PARA
+
+
+/*
+ * Clock Settings
+ * CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
+ * SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
+ */
+/* CONFIG_CLKIN_HZ is any value in Hz */
+#define CONFIG_CLKIN_HZ 25000000
+/* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */
+/* 1 = CLKIN / 2 */
+#define CONFIG_CLKIN_HALF 0
+/* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */
+/* 1 = bypass PLL */
+#define CONFIG_PLL_BYPASS 0
+/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */
+/* Values can range from 0-63 (where 0 means 64) */
+#define CONFIG_VCO_MULT 21
+/* CCLK_DIV controls the core clock divider */
+/* Values can be 1, 2, 4, or 8 ONLY */
+#define CONFIG_CCLK_DIV 1
+/* SCLK_DIV controls the system clock divider */
+/* Values can range from 1-15 */
+#define CONFIG_SCLK_DIV 4
+
+
+/*
+ * Memory Settings
+ */
+#define CONFIG_MEM_ADD_WDTH 10
+#define CONFIG_MEM_SIZE 64
+
+#define CONFIG_EBIU_DDRCTL0_VAL 0x218A83FE
+#define CONFIG_EBIU_DDRCTL1_VAL 0x20022222
+#define CONFIG_EBIU_DDRCTL2_VAL 0x00000021
+
+/* Default bank mapping:
+ * Async Bank 0 - 32MB Burst Flash
+ * Async Bank 1 - Ethernet
+ * Async Bank 2 - Nothing
+ * Async Bank 3 - Nothing
+ */
+#define CONFIG_EBIU_AMGCTL_VAL 0xFF
+#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
+#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
+#define CONFIG_EBIU_FCTL_VAL (BCLK_4)
+#define CONFIG_EBIU_MODE_VAL (B0MODE_FLASH)
+
+#define CONFIG_SYS_MONITOR_LEN (384 * 1024)
+#define CONFIG_SYS_MALLOC_LEN (640 * 1024)
+
+
+/*
+ * Network Settings
+ */
+#define ADI_CMDS_NETWORK 1
+#define CONFIG_DRIVER_SMC911X 1
+#define CONFIG_DRIVER_SMC911X_BASE 0x24000000
+#define CONFIG_DRIVER_SMC911X_16_BIT
+#define CONFIG_HOSTNAME cm-bf548
+/* Uncomment next line to use fixed MAC address */
+/* #define CONFIG_ETHADDR 02:80:ad:24:31:91 */
+
+
+/*
+ * Flash Settings
+ */
+#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
+#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
+#define CONFIG_SYS_FLASH_BASE 0x20000000
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT 259 /* max number of sectors on one chip */
+#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
+#define CONFIG_ENV_IS_IN_EEPROM 1
+#define CONFIG_ENV_OFFSET 0x4000
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_ENV_SECT_SIZE (128 * 1024) /* Total Size of Environment Sector */
+#else
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_ADDR 0x20008000
+#define CONFIG_ENV_OFFSET 0x8000
+#define CONFIG_ENV_SIZE 0x8000
+#endif
+#define ENV_IS_EMBEDDED_CUSTOM
+
+/* CONFIG_SPI_BAUD controls the SPI peripheral clock divider */
+/* Values can range from 2-65535 */
+/* SCK Frequency = SCLK / (2 * CONFIG_SPI_BAUD) */
+#define CONFIG_SPI
+#define CONFIG_SPI_BAUD 2
+#define CONFIG_SYS_I2C_FRAM
+
+
+/*
+ * I2C Settings
+ */
+#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_HARD_I2C 1
+#define CONFIG_SYS_I2C_SPEED 50000
+#define CONFIG_SYS_I2C_SLAVE 0
+
+
+/*
+ * Misc Settings
+ */
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_RTC_BFIN
+#define CONFIG_UART_CONSOLE 1
+
+#ifndef __ADSPBF542__
+/* Don't waste time transferring a logo over the UART */
+# if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART)
+# define CONFIG_VIDEO
+# endif
+# define CONFIG_DEB_DMA_URGENT
+#endif
+
+/* Define if want to do post memory test */
+#undef CONFIG_POST
+#ifdef CONFIG_POST
+#define FLASH_START_POST_BLOCK 11 /* Should > = 11 */
+#define FLASH_END_POST_BLOCK 71 /* Should < = 71 */
+#endif
+
+
+/*
+ * Pull in common ADI header for remaining command/environment setup
+ */
+#include <configs/bfin_adi_common.h>
+
+#include <asm/blackfin-config-post.h>
+
+#endif
--
1.6.1.2
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