diff options
Diffstat (limited to 'board/bf527-ezkit')
| -rw-r--r-- | board/bf527-ezkit/.gitignore | 1 | ||||
| -rw-r--r-- | board/bf527-ezkit/Makefile | 58 | ||||
| -rw-r--r-- | board/bf527-ezkit/bf527-ezkit.c | 77 | ||||
| -rw-r--r-- | board/bf527-ezkit/config.mk | 32 | ||||
| -rw-r--r-- | board/bf527-ezkit/u-boot.lds.S | 124 | ||||
| -rw-r--r-- | board/bf527-ezkit/video.c | 317 |
6 files changed, 609 insertions, 0 deletions
diff --git a/board/bf527-ezkit/.gitignore b/board/bf527-ezkit/.gitignore new file mode 100644 index 0000000..945f324 --- /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 0000000..c2b98ec --- /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 0000000..2cbfa8d --- /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 0000000..f4a5a80 --- /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 0000000..3e8be35 --- /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 0000000..2df6717 --- /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; +} |