This patch adds support for Dave/DENX QongEVB-LITE i.MX31-based board.
Signed-off-by: Ilya Yanok yanok@emcraft.com --- Makefile | 4 + board/davedenx/qong/Makefile | 53 +++++++++ board/davedenx/qong/config.mk | 1 + board/davedenx/qong/lowlevel_init.S | 172 ++++++++++++++++++++++++++++ board/davedenx/qong/qong.c | 167 +++++++++++++++++++++++++++ board/davedenx/qong/qong_fpga.h | 41 +++++++ board/davedenx/qong/u-boot.lds | 58 ++++++++++ include/configs/qong.h | 215 +++++++++++++++++++++++++++++++++++ 8 files changed, 711 insertions(+), 0 deletions(-) create mode 100644 board/davedenx/qong/Makefile create mode 100644 board/davedenx/qong/config.mk create mode 100644 board/davedenx/qong/lowlevel_init.S create mode 100644 board/davedenx/qong/qong.c create mode 100644 board/davedenx/qong/qong_fpga.h create mode 100644 board/davedenx/qong/u-boot.lds create mode 100644 include/configs/qong.h
diff --git a/Makefile b/Makefile index 787c5f2..7508e1d 100644 --- a/Makefile +++ b/Makefile @@ -3034,6 +3034,10 @@ mx31ads_config : unconfig omap2420h4_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 NULL omap24xx
+qong_config : unconfig + @$(MKCONFIG) $(@:_config=) arm arm1136 qong davedenx mx31 + + ######################################################################### ## ARM1176 Systems ######################################################################### diff --git a/board/davedenx/qong/Makefile b/board/davedenx/qong/Makefile new file mode 100644 index 0000000..93e1985 --- /dev/null +++ b/board/davedenx/qong/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2009 +# Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com +# (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 := qong.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/davedenx/qong/config.mk b/board/davedenx/qong/config.mk new file mode 100644 index 0000000..d8d0a57 --- /dev/null +++ b/board/davedenx/qong/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x8ff00000 diff --git a/board/davedenx/qong/lowlevel_init.S b/board/davedenx/qong/lowlevel_init.S new file mode 100644 index 0000000..ae653ab --- /dev/null +++ b/board/davedenx/qong/lowlevel_init.S @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2009, Emcraft Systems, Ilya Yanok yanok@emcraft.com + * + * Based on board/freescale/mx31ads/lowlevel_init.S + * by Guennadi Liakhovetski. + * + * 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 <asm/arch/mx31-regs.h> + +.macro REG reg, val + ldr r2, =\reg + ldr r3, =\val + str r3, [r2] +.endm + +.macro REG8 reg, val + ldr r2, =\reg + ldr r3, =\val + strb r3, [r2] +.endm + +.macro DELAY loops + ldr r2, =\loops +1: + subs r2, r2, #1 + nop + bcs 1b +.endm + +/* RedBoot: To support 133MHz DDR */ +.macro init_drive_strength + /* + * Disable maximum drive strength SDRAM/DDR lines by clearing DSE1 bits + * in SW_PAD_CTL registers + */ + + /* SDCLK */ + ldr r1, =0x43FAC200 + ldr r0, [r1, #0x6C] + bic r0, r0, #(1 << 12) + str r0, [r1, #0x6C] + + /* CAS */ + ldr r0, [r1, #0x70] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x70] + + /* RAS */ + ldr r0, [r1, #0x74] + bic r0, r0, #(1 << 2) + str r0, [r1, #0x74] + + /* CS2 (CSD0) */ + ldr r0, [r1, #0x7C] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x7C] + + /* DQM3 */ + ldr r0, [r1, #0x84] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x84] + + /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ + ldr r2, =22 /* (0x2E0 - 0x288) / 4 = 22 */ +pad_loop: + ldr r0, [r1, #0x88] + bic r0, r0, #(1 << 22) + bic r0, r0, #(1 << 12) + bic r0, r0, #(1 << 2) + str r0, [r1, #0x88] + add r1, r1, #4 + subs r2, r2, #0x1 + bne pad_loop +.endm /* init_drive_strength */ + +.globl lowlevel_init +lowlevel_init: + + init_drive_strength + + /* Image Processing Unit: */ + /* Too early to switch display on? */ + /* Switch on Display Interface */ + REG IPU_CONF, IPU_CONF_DI_EN + /* Clock Control Module: */ + REG CCM_CCMR, 0x074B0BF5 /* Use CKIH, MCU PLL off */ + + DELAY 0x40000 + + REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE /* MCU PLL on */ + /* Switch to MCU PLL */ + REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS + + /* 399-133-66.5 */ + ldr r0, =CCM_BASE + ldr r1, =0xFF871650 + /* PDR0 */ + str r1, [r0, #0x4] + ldr r1, MPCTL_PARAM_399 + /* MPCTL */ + str r1, [r0, #0x10] + + /* Set UPLL=240MHz, USB=60MHz */ + ldr r1, =0x49FCFE7F + /* PDR1 */ + str r1, [r0, #0x8] + ldr r1, UPCTL_PARAM_240 + /* UPCTL */ + str r1, [r0, #0x14] + /* default CLKO to 1/8 of the ARM core */ + mov r1, #0x00000208 + /* COSR */ + str r1, [r0, #0x1c] + + /* Default: 1, 4, 12, 1 */ + REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) + + /* B8xxxxxx - NAND, 8xxxxxxx - CSD0 RAM */ + REG 0xB8001010, 0x00000004 + REG 0xB8001004, ((3<<21) | /* tXP */ \ + (0<<20) | /* tWTR */ \ + (2<<18) | /* tRP */ \ + (1<<16) | /* tMRD */ \ + (0<<15) | /* tWR */ \ + (5<<12) | /* tRAS */ \ + (1<<10) | /* tRRD */ \ + (3<<8) | /* tCAS */ \ + (2<<4) | /* tRCD */ \ + (7<<0) /* tRC */ ) + REG 0xB8001000, 0x92100000 + REG 0x80000f00, 0x12344321 + REG 0xB8001000, 0xa2100000 + REG 0x80000000, 0x12344321 + REG 0x80000000, 0x12344321 + REG 0xB8001000, 0xb2100000 + REG8 0x80000033, 0xda + REG8 0x81000000, 0xff + REG 0xB8001000, ((1<<31) | \ + (0<<28) | \ + (0<<27) | \ + (3<<24) | /* 14 rows */ \ + (2<<20) | /* 10 cols */ \ + (2<<16) | \ + (4<<13) | /* 3.91us (64ms/16384) */ \ + (0<<10) | \ + (0<<8) | \ + (1<<7) | \ + (0<<0)) + REG 0x80000000, 0xDEADBEEF + REG 0xB8001010, 0x0000000c + + mov pc, lr + +MPCTL_PARAM_399: + .word (((1-1) << 26) + ((52-1) << 16) + (7 << 10) + (35 << 0)) +UPCTL_PARAM_240: + .word (((2-1) << 26) + ((13-1) << 16) + (9 << 10) + (3 << 0)) diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c new file mode 100644 index 0000000..368b97c --- /dev/null +++ b/board/davedenx/qong/qong.c @@ -0,0 +1,167 @@ +/* + * + * (c) 2009 Emcraft Systems, Ilya Yanok yanok@emcraft.com + * + * 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 <common.h> +#include <netdev.h> +#include <asm/arch/mx31.h> +#include <asm/arch/mx31-regs.h> +#include "qong_fpga.h" + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + + return 0; +} + +int board_init (void) +{ + /* Chip selects */ + /* CS0: Nor Flash #0 - it must be init'ed when executing from DDR */ + /* Assumptions: HCLK = 133 MHz, tACC = 130ns */ + __REG(CSCR_U(0)) = ((0 << 31) | /* SP */ + (0 << 30) | /* WP */ + (0 << 28) | /* BCD */ + (0 << 24) | /* BCS */ + (0 << 22) | /* PSZ */ + (0 << 21) | /* PME */ + (0 << 20) | /* SYNC */ + (0 << 16) | /* DOL */ + (3 << 14) | /* CNC */ + (21 << 8) | /* WSC */ + (0 << 7) | /* EW */ + (0 << 4) | /* WWS */ + (6 << 0) /* EDC */ + ); + + __REG(CSCR_L(0)) = ((2 << 28) | /* OEA */ + (1 << 24) | /* OEN */ + (3 << 20) | /* EBWA */ + (3 << 16) | /* EBWN */ + (1 << 12) | /* CSA */ + (1 << 11) | /* EBC */ + (5 << 8) | /* DSZ */ + (1 << 4) | /* CSN */ + (0 << 3) | /* PSR */ + (0 << 2) | /* CRE */ + (0 << 1) | /* WRAP */ + (1 << 0) /* CSEN */ + ); + + __REG(CSCR_A(0)) = ((2 << 28) | /* EBRA */ + (1 << 24) | /* EBRN */ + (2 << 20) | /* RWA */ + (2 << 16) | /* RWN */ + (0 << 15) | /* MUM */ + (0 << 13) | /* LAH */ + (2 << 10) | /* LBN */ + (0 << 8) | /* LBA */ + (0 << 6) | /* DWW */ + (0 << 4) | /* DCT */ + (0 << 3) | /* WWU */ + (0 << 2) | /* AGE */ + (0 << 1) | /* CNC2 */ + (0 << 0) /* FCE */ + ); + +#ifdef CONFIG_QONG_FPGA + /* CS1: FPGA/Network Controller/GPIO */ + /* 16-bit, no DTACK */ + __REG(CSCR_U(1)) = 0x00000A01; + __REG(CSCR_L(1)) = 0x20040501; + __REG(CSCR_A(1)) = 0x04020C00; + + /* setup pins for FPGA */ + mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO)); + mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO)); +#endif + + /* setup pins for UART1 */ + mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); + mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); + mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); + mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); + + gd->bd->bi_arch_number = 1524; /* board id for linux */ + gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */ + + return 0; +} + +int checkboard (void) +{ + printf("Board: DAVE/DENX QongEVB-LITE\n"); + return 0; +} + +int misc_init_r (void) +{ +#ifdef CONFIG_QONG_FPGA + u32 tmp; + + /* FPGA reset */ + /* rstn = 0 */ + tmp = __REG(GPIO2_BASE + GPIO_DR); + tmp &= (~(1 << QONG_FPGA_RST_PIN)); + __REG(GPIO2_BASE + GPIO_DR) = tmp; + /* set the GPIO as output */ + tmp = __REG(GPIO2_BASE + GPIO_GDIR); + tmp |= (1 << QONG_FPGA_RST_PIN); + __REG(GPIO2_BASE + GPIO_GDIR) = tmp; + /* wait */ + udelay(30); + /* rstn = 1 */ + tmp = __REG(GPIO2_BASE + GPIO_DR); + tmp |= (1 << QONG_FPGA_RST_PIN); + __REG(GPIO2_BASE + GPIO_DR) = tmp; + /* set interrupt pin as input */ + __REG(GPIO2_BASE + GPIO_GDIR) = tmp | (1 << QONG_FPGA_IRQ_PIN); + /* wait while the FPGA starts */ + udelay(300); + + tmp = *(volatile u32*)QONG_FPGA_CTRL_VERSION; + printf("FPGA: "); + printf("version register = %u.%u.%u\n", + (tmp & 0xF000)>>12, (tmp & 0x0F00) >> 8, tmp & 0x00FF); +#endif + + return 0; +} + +int board_eth_init(bd_t *bis) +{ +#if defined(CONFIG_QONG_FPGA) && defined(CONFIG_DNET) + return dnet_eth_initialize(0, (void *)CONFIG_DNET_BASE, -1); +#else + return 0; +#endif +} + diff --git a/board/davedenx/qong/qong_fpga.h b/board/davedenx/qong/qong_fpga.h new file mode 100644 index 0000000..b1cb08a --- /dev/null +++ b/board/davedenx/qong/qong_fpga.h @@ -0,0 +1,41 @@ +/* + * + * (c) 2009 Emcraft Systems, Ilya Yanok yanok@emcraft.com + * + * 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 + */ + +#ifndef QONG_FPGA_H +#define QONG_FPGA_H + +#ifdef CONFIG_QONG_FPGA +#define QONG_FPGA_CTRL_BASE CONFIG_FPGA_BASE +#define QONG_FPGA_CTRL_VERSION (QONG_FPGA_CTRL_BASE + 0x00000000) +#define QONG_FPGA_PERIPH_SIZE (1 << 24) + +#define QONG_FPGA_TCK_PIN 26 +#define QONG_FPGA_TMS_PIN 25 +#define QONG_FPGA_TDI_PIN 8 +#define QONG_FPGA_TDO_PIN 7 +#define QONG_FPGA_RST_PIN 16 +#define QONG_FPGA_IRQ_PIN 8 +#endif + +#endif /* QONG_FPGA_H */ + diff --git a/board/davedenx/qong/u-boot.lds b/board/davedenx/qong/u-boot.lds new file mode 100644 index 0000000..8bf08ca --- /dev/null +++ b/board/davedenx/qong/u-boot.lds @@ -0,0 +1,58 @@ +/* + * (C) Copyright 2009 + * Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, gj@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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm1136/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/include/configs/qong.h b/include/configs/qong.h new file mode 100644 index 0000000..e7ce8ee --- /dev/null +++ b/include/configs/qong.h @@ -0,0 +1,215 @@ +/* + * Copyright (C) 2009, Ilya Yanok, Emcraft Systems, yanok@emcraft.com + * + * Configuration settings for the Dave/DENX QongEVB-LITE board. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <asm/arch/mx31-regs.h> + + /* High Level Configuration Options */ +#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */ +#define CONFIG_MX31 1 /* in a mx31 */ +#define CONFIG_QONG 1 +#define CONFIG_MX31_HCLK_FREQ 26000000 /* 26MHz */ +#define CONFIG_MX31_CLK32 32768 + +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +/* + * Size of malloc() pool + */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) +/* size in bytes reserved for initial data */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 + +/* + * Hardware drivers + */ + +#define CONFIG_MX31_UART 1 +#define CONFIG_SYS_MX31_UART1 1 + +/* FPGA */ +#define CONFIG_QONG_FPGA 1 +#define CONFIG_FPGA_BASE (CS1_BASE) + +#ifdef CONFIG_QONG_FPGA +/* Ethernet */ +#define CONFIG_DNET 1 +#define CONFIG_DNET_BASE (CS1_BASE + QONG_FPGA_PERIPH_SIZE) +#define CONFIG_NET_MULTI 1 + +/* + * Reducing the ARP timeout from default 5 seconds to 200ms we speed up the + * initial TFTP transfer, should the user wish one, significantly. + */ +#define CONFIG_ARP_TIMEOUT 200UL + +#endif /* CONFIG_QONG_FPGA */ + +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} + +/*********************************************************** + * Command definition + ***********************************************************/ + +#include <config_cmd_default.h> + +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_NET +#define CONFIG_CMD_MII + +/* + * You can compile in a MAC address and your custom net settings by using + * the following syntax. + * + * #define CONFIG_ETHADDR xx:xx:xx:xx:xx:xx + * #define CONFIG_SERVERIP <server ip> + * #define CONFIG_IPADDR <board ip> + * #define CONFIG_GATEWAYIP <gateway ip> + * #define CONFIG_NETMASK <your netmask> + */ + +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_LOADADDR 0x80800000 /* loadaddr env var */ + +#define xstr(s) str(s) +#define str(s) #s + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs}" \ + " console=ttymxc0,${baudrate}\0" \ + "addmisc=setenv bootargs ${bootargs}\0" \ + "uboot_addr=a0000000\0" \ + "kernel_addr=a0080000\0" \ + "ramdisk_addr=a0300000\0" \ + "uboot=qong/u-boot.bin\0" \ + "kernel_addr_r=80800000\0" \ + "hostname=qong\0" \ + "bootfile=qong/uImage\0" \ + "rootpath=/opt/eldk-4.2-arm/armVFP\0" \ + "flash_self=run ramargs addip addtty addmisc;" \ + "bootm ${kernel_addr} ${ramdisk_addr}\0" \ + "flash_nfs=run nfsargs addip addtty addmisc;" \ + "bootm ${kernel_addr}\0" \ + "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \ + "run nfsargs addip addtty addmisc;" \ + "bootm\0" \ + "load=tftp ${loadaddr} ${uboot}\0" \ + "update=protect off " xstr(CONFIG_SYS_MONITOR_BASE) \ + " +${filesize};era " xstr(CONFIG_SYS_MONITOR_BASE) \ + " +${filesize};cp.b ${fileaddr} " \ + xstr(CONFIG_SYS_MONITOR_BASE) " ${filesize};" \ + "setenv filesize;saveenv\0" \ + "upd=run load update\0" \ + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 32 /* max number of command args */ +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* memtest works on first 255MB of RAM */ +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0xff000000) + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +#define CONFIG_SYS_HZ 1000 + +#define CONFIG_CMDLINE_EDITING 1 + +#define CONFIG_MISC_INIT_R 1 +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1 CSD0_BASE +#define PHYS_SDRAM_1_SIZE 0x10000000 /* 256 MB */ + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ +#define CONFIG_SYS_FLASH_BASE CS0_BASE +#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ +/* max number of sectors on one chip */ +#define CONFIG_SYS_MAX_FLASH_SECT 1024 +/* Monitor at beginning of flash */ +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE +#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256KiB */ + +#define CONFIG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_SECT_SIZE 0x20000 +#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE+(0x40000)) + +/* Address and size of Redundant Environment Sector */ +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE + +/*----------------------------------------------------------------------- + * CFI FLASH driver setup + */ +/* Flash memory is CFI compliant */ +#define CONFIG_SYS_FLASH_CFI 1 +/* Use drivers/cfi_flash.c */ +#define CONFIG_FLASH_CFI_DRIVER 1 +/* Use buffered writes (~10x faster) */ +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 +/* Use hardware sector protection */ +#define CONFIG_SYS_FLASH_PROTECTION 1 + +/* + * JFFS2 partitions + */ +#define CONFIG_JFFS2_CMDLINE + +#endif /* __CONFIG_H */