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authorMike Frysinger <vapier@gentoo.org>2008-10-12 20:59:12 -0400
committerMike Frysinger <vapier@gentoo.org>2009-04-02 06:41:35 -0400
commitd9a5d113b93583c984711127ab8503e136ed1e4a (patch)
treef64a986257b2332b7e5de258531fb5fef527738b /board/bf527-ezkit
parent76d21803ddd7dc4bcb81739ea2d3cd679e052f46 (diff)
downloadu-boot-linaro-stable-d9a5d113b93583c984711127ab8503e136ed1e4a.tar.gz
Blackfin: bf527-ezkit: new board port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/bf527-ezkit')
-rw-r--r--board/bf527-ezkit/.gitignore1
-rw-r--r--board/bf527-ezkit/Makefile58
-rw-r--r--board/bf527-ezkit/bf527-ezkit.c77
-rw-r--r--board/bf527-ezkit/config.mk32
-rw-r--r--board/bf527-ezkit/u-boot.lds.S124
-rw-r--r--board/bf527-ezkit/video.c317
6 files changed, 609 insertions, 0 deletions
diff --git a/board/bf527-ezkit/.gitignore b/board/bf527-ezkit/.gitignore
new file mode 100644
index 000000000..945f32454
--- /dev/null
+++ b/board/bf527-ezkit/.gitignore
@@ -0,0 +1 @@
+/u-boot.lds
diff --git a/board/bf527-ezkit/Makefile b/board/bf527-ezkit/Makefile
new file mode 100644
index 000000000..c2b98ec74
--- /dev/null
+++ b/board/bf527-ezkit/Makefile
@@ -0,0 +1,58 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@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_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/bf527-ezkit/bf527-ezkit.c b/board/bf527-ezkit/bf527-ezkit.c
new file mode 100644
index 000000000..2cbfa8d03
--- /dev/null
+++ b/board/bf527-ezkit/bf527-ezkit.c
@@ -0,0 +1,77 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/blackfin.h>
+#include <asm/net.h>
+#include <asm/mach-common/bits/otp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: ADI BF527 EZ-Kit board\n");
+ printf(" Support: http://blackfin.uclinux.org/\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;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+ bool valid_mac = false;
+
+ /* the MAC is stored in OTP memory page 0xDF */
+ uint32_t ret;
+ uint64_t otp_mac;
+
+ ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
+ if (!(ret & OTP_MASTER_ERROR)) {
+ uchar *otp_mac_p = (uchar *)&otp_mac;
+
+ for (ret = 0; ret < 6; ++ret)
+ mac_addr[ret] = otp_mac_p[5 - ret];
+
+ if (is_valid_ether_addr(mac_addr))
+ valid_mac = true;
+ }
+
+ if (!valid_mac) {
+ puts("Warning: Generating 'random' MAC address\n");
+ bfin_gen_rand_mac(mac_addr);
+ }
+
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return bfin_EMAC_initialize(bis);
+}
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+ uchar enetaddr[6];
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+ board_init_enetaddr(enetaddr);
+#endif
+
+ return 0;
+}
diff --git a/board/bf527-ezkit/config.mk b/board/bf527-ezkit/config.mk
new file mode 100644
index 000000000..f4a5a8028
--- /dev/null
+++ b/board/bf527-ezkit/config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@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 += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
diff --git a/board/bf527-ezkit/u-boot.lds.S b/board/bf527-ezkit/u-boot.lds.S
new file mode 100644
index 000000000..3e8be358d
--- /dev/null
+++ b/board/bf527-ezkit/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@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/bf527-ezkit/video.c b/board/bf527-ezkit/video.c
new file mode 100644
index 000000000..2df671730
--- /dev/null
+++ b/board/bf527-ezkit/video.c
@@ -0,0 +1,317 @@
+/*
+ * 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 *);
+
+#define DMA_SIZE16 2
+
+#include <asm/mach-common/bits/ppi.h>
+#include <asm/mach-common/bits/timer.h>
+
+#include <asm/bfin_logo_230x230.h>
+
+#define LCD_X_RES 320 /* Horizontal Resolution */
+#define LCD_Y_RES 240 /* Vertical Resolution */
+#define LCD_BPP 24 /* Bit Per Pixel */
+#define LCD_PIXEL_SIZE (LCD_BPP / 8)
+
+#define DMA_BUS_SIZE 16
+#define LCD_CLK (12*1000*1000) /* 12MHz */
+
+#define CLOCKS_PER_PIX 3
+
+/* HS and VS timing parameters (all in number of PPI clk ticks) */
+#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */
+#define H_PERIOD (408 * CLOCKS_PER_PIX) /* HS period */
+#define H_PULSE 90 /* HS pulse width */
+#define H_START 204 /* first valid pixel */
+
+#define U_LINE 1 /* Blanking Lines */
+
+#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */
+#define V_PULSE (3 * H_PERIOD) /* VS pulse width (1-5 H_PERIODs) */
+#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */
+
+#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX)
+
+#define PPI_TX_MODE 0x2
+#define PPI_XFER_TYPE_11 0xC
+#define PPI_PORT_CFG_01 0x10
+#define PPI_PACK_EN 0x80
+#define PPI_POLS_1 0x8000
+
+/* enable and disable PPI functions */
+void EnablePPI(void)
+{
+ *pPPI_CONTROL |= PORT_EN;
+}
+
+void DisablePPI(void)
+{
+ *pPPI_CONTROL &= ~PORT_EN;
+}
+
+void Init_Ports(void)
+{
+ *pPORTF_MUX &= ~PORT_x_MUX_0_MASK;
+ *pPORTF_MUX |= PORT_x_MUX_0_FUNC_1;
+ *pPORTF_FER |= PF0 | PF1 | PF2 | PF3 | PF4 | PF5 | PF6 | PF7;
+
+ *pPORTG_MUX &= ~PORT_x_MUX_1_MASK;
+ *pPORTG_MUX |= PORT_x_MUX_1_FUNC_1;
+ *pPORTG_FER |= PG5;
+}
+
+void Init_PPI(void)
+{
+
+ *pPPI_DELAY = H_START;
+ *pPPI_COUNT = (H_ACTPIX-1);
+ *pPPI_FRAME = 0;
+
+ /* PPI control, to be replaced with definitions */
+ *pPPI_CONTROL = PPI_TX_MODE | /* output mode , PORT_DIR */
+ PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */
+ PPI_PORT_CFG_01 | /* two frame sync PORT_CFG */
+ PPI_PACK_EN | /* packing enabled PACK_EN */
+ PPI_POLS_1; /* faling edge syncs POLS */
+}
+
+void Init_DMA(void *dst)
+{
+ *pDMA0_START_ADDR = dst;
+
+ /* X count */
+ *pDMA0_X_COUNT = H_ACTPIX / 2;
+ *pDMA0_X_MODIFY = DMA_BUS_SIZE / 8;
+
+ /* Y count */
+ *pDMA0_Y_COUNT = V_LINES;
+ *pDMA0_Y_MODIFY = DMA_BUS_SIZE / 8;
+
+ /* DMA Config */
+ *pDMA0_CONFIG =
+ WDSIZE_16 | /* 16 bit DMA */
+ DMA2D | /* 2D DMA */
+ FLOW_AUTO; /* autobuffer mode */
+}
+
+
+void EnableDMA(void)
+{
+ *pDMA0_CONFIG |= DMAEN;
+}
+
+void DisableDMA(void)
+{
+ *pDMA0_CONFIG &= ~DMAEN;
+}
+
+
+/* Init TIMER0 as Frame Sync 1 generator */
+void InitTIMER0(void)
+{
+ *pTIMER_DISABLE |= TIMDIS0; /* disable Timer */
+ SSYNC();
+ *pTIMER_STATUS |= TIMIL0 | TOVF_ERR0 | TRUN0; /* clear status */
+ SSYNC();
+
+ *pTIMER0_PERIOD = H_PERIOD;
+ SSYNC();
+ *pTIMER0_WIDTH = H_PULSE;
+ SSYNC();
+
+ *pTIMER0_CONFIG = PWM_OUT |
+ PERIOD_CNT |
+ TIN_SEL |
+ CLK_SEL |
+ EMU_RUN;
+ SSYNC();
+}
+
+void EnableTIMER0(void)
+{
+ *pTIMER_ENABLE |= TIMEN0;
+ SSYNC();
+}
+
+void DisableTIMER0(void)
+{
+ *pTIMER_DISABLE |= TIMDIS0;
+ SSYNC();
+}
+
+
+void InitTIMER1(void)
+{
+ *pTIMER_DISABLE |= TIMDIS1; /* disable Timer */
+ SSYNC();
+ *pTIMER_STATUS |= TIMIL1 | TOVF_ERR1 | TRUN1; /* clear status */
+ SSYNC();
+
+
+ *pTIMER1_PERIOD = V_PERIOD;
+ SSYNC();
+ *pTIMER1_WIDTH = V_PULSE;
+ SSYNC();
+
+ *pTIMER1_CONFIG = PWM_OUT |
+ PERIOD_CNT |
+ TIN_SEL |
+ CLK_SEL |
+ EMU_RUN;
+ SSYNC();
+}
+
+void EnableTIMER1(void)
+{
+ *pTIMER_ENABLE |= TIMEN1;
+ SSYNC();
+}
+
+void DisableTIMER1(void)
+{
+ *pTIMER_DISABLE |= TIMDIS1;
+ SSYNC();
+}
+
+int video_init(void *dst)
+{
+
+ Init_Ports();
+ Init_DMA(dst);
+ EnableDMA();
+ InitTIMER0();
+ InitTIMER1();
+ Init_PPI();
+ EnablePPI();
+
+ /* Frame sync 2 (VS) needs to start at least one PPI clk earlier */
+ EnableTIMER1();
+ /* Add Some Delay ... */
+ SSYNC();
+ SSYNC();
+ SSYNC();
+ SSYNC();
+
+ /* now start frame sync 1 */
+ EnableTIMER0();
+
+ 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;
+}