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uboot-1.1.4-kirkwood/include/configs/SXNI855T.h
Olaf Rempel f69754bccc u-boot 1.1.4
2024-01-07 23:57:24 +01:00

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/*
* U-Boot configuration for SIXNET SXNI855T CPU board.
* This board is based (loosely) on the Motorola FADS board, so this
* file is based (loosely) on config_FADS860T.h, see it for additional
* credits.
*
* Copyright (c) 2000-2002 Dave Ellis, SIXNET, dge@sixnetio.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
*
*/
/*
* Memory map:
*
* ff100000 -> ff13ffff : FPGA CS1
* ff030000 -> ff03ffff : EXPANSION CS7
* ff020000 -> ff02ffff : DATA FLASH CS4
* ff018000 -> ff01ffff : UART B CS6/UPMB
* ff010000 -> ff017fff : UART A CS5/UPMB
* ff000000 -> ff00ffff : IMAP internal to the MPC855T
* f8000000 -> fbffffff : FLASH CS0 up to 64MB
* f4000000 -> f7ffffff : NVSRAM CS2 up to 64MB
* 00000000 -> 0fffffff : SDRAM CS3/UPMA up to 256MB
*/
/* ------------------------------------------------------------------------- */
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#include <mpc8xx_irq.h>
#define CONFIG_SXNI855T 1 /* SIXNET IPm 855T CPU module */
/* The 855T is just a stripped 860T and needs code for 860, so for now
* at least define 860, 860T and 855T
*/
#define CONFIG_MPC860 1
#define CONFIG_MPC860T 1
#define CONFIG_MPC855T 1
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#undef CONFIG_8xx_CONS_SMC2
#undef CONFIG_8xx_CONS_SCC1
#undef CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE 9600
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define MPC8XX_FACT 10 /* 50 MHz is 5 MHz in times 10 */
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
#if 0
#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
#else
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#endif
#define CONFIG_HAS_ETH1
/*-----------------------------------------------------------------------
* Definitions for status LED
*/
#define CONFIG_STATUS_LED 1 /* Status LED enabled */
# define STATUS_LED_PAR im_ioport.iop_papar
# define STATUS_LED_DIR im_ioport.iop_padir
# define STATUS_LED_ODR im_ioport.iop_paodr
# define STATUS_LED_DAT im_ioport.iop_padat
# define STATUS_LED_BIT 0x8000 /* LED 0 is on PA.0 */
# define STATUS_LED_PERIOD ((CFG_HZ / 2) / 5) /* blink at 5 Hz */
# define STATUS_LED_STATE STATUS_LED_BLINKING
# define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
# define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
#ifdef DEV /* development (debug) settings */
#define CONFIG_BOOT_LED_STATE STATUS_LED_OFF
#else /* production settings */
#define CONFIG_BOOT_LED_STATE STATUS_LED_ON
#endif
#define CONFIG_SHOW_BOOT_PROGRESS 1
#define CONFIG_BOOTCOMMAND "bootm f8040000 f8100000" /* autoboot command */
#define CONFIG_BOOTARGS "root=/dev/ram ip=off"
#define CONFIG_MISC_INIT_R /* have misc_init_r() function */
#define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_RTC_DS1306 /* Dallas 1306 real time clock */
#define CONFIG_SOFT_I2C /* I2C bit-banged */
/*
* Software (bit-bang) I2C driver configuration
*/
#define PB_SCL 0x00000020 /* PB 26 */
#define PB_SDA 0x00000010 /* PB 27 */
#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
else immr->im_cpm.cp_pbdat &= ~PB_SDA
#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
else immr->im_cpm.cp_pbdat &= ~PB_SCL
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
# define CFG_I2C_SPEED 50000
# define CFG_I2C_SLAVE 0xFE
# define CFG_I2C_EEPROM_ADDR 0x50 /* Atmel 24C64 */
# define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
#define CONFIG_FEC_ENET 1 /* use FEC ethernet */
#define CONFIG_MII 1
#define CFG_DISCOVER_PHY
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_EEPROM | \
CFG_CMD_JFFS2 | \
CFG_CMD_NAND | \
CFG_CMD_DATE)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CFG_JFFS2_SORT_FRAGMENTS
/*
* JFFS2 partitions
*
*/
/* No command line, one static partition */
#undef CONFIG_JFFS2_CMDLINE
/*
#define CONFIG_JFFS2_DEV "nor0"
#define CONFIG_JFFS2_PART_SIZE 0x00780000
#define CONFIG_JFFS2_PART_OFFSET 0x00080000
*/
#define CONFIG_JFFS2_DEV "nand0"
#define CONFIG_JFFS2_PART_SIZE 0x00200000
#define CONFIG_JFFS2_PART_OFFSET 0x00000000
/* mtdparts command line support */
/* Note: fake mtd_id used, no linux mtd map file */
/*
#define CONFIG_JFFS2_CMDLINE
#define MTDIDS_DEFAULT "nor0=sixnet-0,nand0=sixnet-nand"
#define MTDPARTS_DEFAULT "mtdparts=sixnet-0:7680k@512k();sixnet-nand:2m(jffs2-nand)"
*/
/* NAND flash support */
#define CONFIG_MTD_NAND_ECC_JFFS2
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
#define ADDR_COLUMN 1
#define ADDR_PAGE 2
#define ADDR_COLUMN_PAGE 3
#define NAND_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
#define NAND_MAX_CHIPS 1
/* DFBUSY is available on Port C, bit 12; 0 if busy */
#define NAND_WAIT_READY(nand) \
while (!(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat & 0x0008));
#define WRITE_NAND_COMMAND(d, adr) WRITE_NAND((d), (adr))
#define WRITE_NAND_ADDRESS(d, adr) WRITE_NAND((d), (adr))
#define WRITE_NAND(d, adr) \
do { (*(volatile uint8_t *)(adr) = (uint8_t)(d)); } while (0)
#define READ_NAND(adr) (*(volatile uint8_t *)(adr))
#define CLE_LO 0x01 /* 0 selects CLE mode (CLE high) */
#define ALE_LO 0x02 /* 0 selects ALE mode (ALE high) */
#define CE_LO 0x04 /* 1 selects chip (CE low) */
#define nand_setcr(cr, val) do {*(volatile uint8_t*)(cr) = (val);} while (0)
#define NAND_DISABLE_CE(nand) \
nand_setcr((nand)->IO_ADDR + 1, ALE_LO | CLE_LO)
#define NAND_ENABLE_CE(nand) \
nand_setcr((nand)->IO_ADDR + 1, CE_LO | ALE_LO | CLE_LO)
#define NAND_CTL_CLRALE(nandptr) \
nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO)
#define NAND_CTL_SETALE(nandptr) \
nand_setcr((nandptr) + 1, CE_LO | CLE_LO)
#define NAND_CTL_CLRCLE(nandptr) \
nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO)
#define NAND_CTL_SETCLE(nandptr) \
nand_setcr((nandptr) + 1, CE_LO | ALE_LO)
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save a little memory */
#define CFG_PROMPT "=>" /* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START 0x0100000 /* memtest works on */
#define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
#define CFG_LOAD_ADDR 0x00100000
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
/*-----------------------------------------------------------------------
* Internal Memory Mapped Register
*/
#define CFG_IMMR 0xFF000000
#define CFG_IMMR_SIZE ((uint)(64 * 1024))
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR CFG_IMMR
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_SRAM_BASE 0xF4000000
#define CFG_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */
#define CFG_FLASH_BASE 0xF8000000
#define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
#define CFG_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */
#define CFG_DFLASH_SIZE 0x00010000
#define CFG_FPGA_BASE 0xFF100000 /* Xilinx FPGA */
#define CFG_FPGA_PROG 0xFF130000 /* Programming address */
#define CFG_FPGA_SIZE 0x00040000 /* 256KiB usable */
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
/* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks.
* AMD 29LV641 has 128 64K sectors in 8MB
*/
#define CFG_MAX_FLASH_SECT 135 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
#endif
/*-----------------------------------------------------------------------
* SYPCR - System Protection Control 11-9
* SYPCR can only be written once after reset!
*-----------------------------------------------------------------------
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
*/
#if defined(CONFIG_WATCHDOG)
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
#else
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif
/*-----------------------------------------------------------------------
* SIUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
* PCMCIA config., multi-function pin tri-state
*/
#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CFG_PISCR (PISCR_PS | PISCR_PITF)
/*-----------------------------------------------------------------------
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
*-----------------------------------------------------------------------
* set the PLL, the low-power modes and the reset control (15-29)
*/
#define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
/*-----------------------------------------------------------------------
* SCCR - System Clock and reset Control Register 15-27
*-----------------------------------------------------------------------
* Set clock output, timebase and RTC source and divider,
* power management and some other internal clocks
*/
#define SCCR_MASK SCCR_EBDF11
#define CFG_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)
/*-----------------------------------------------------------------------
*
*-----------------------------------------------------------------------
*
*/
#define CFG_DER 0
/* Because of the way the 860 starts up and assigns CS0 the
* entire address space, we have to set the memory controller
* differently. Normally, you write the option register
* first, and then enable the chip select by writing the
* base register. For CS0, you must write the base register
* first, followed by the option register.
*/
/*
* Init Memory Controller:
*
**********************************************************
* BR0 and OR0 (FLASH)
*/
#define CFG_PRELIM_OR0_AM 0xFC000000 /* OR addr mask */
/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */
#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)
#define CFG_OR0_PRELIM (CFG_PRELIM_OR0_AM | CFG_OR_TIMING_FLASH)
#define CONFIG_FLASH_16BIT
#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
#define CFG_FLASH_PROTECTION /* need to lock/unlock sectors in hardware */
/**********************************************************
* BR1 and OR1 (FPGA)
* These preliminary values are also the final values.
*/
#define CFG_OR_TIMING_FPGA \
(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX)
#define CFG_BR1_PRELIM ((CFG_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
#define CFG_OR1_PRELIM (((-CFG_FPGA_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_FPGA)
/**********************************************************
* BR4 and OR4 (data flash)
* These preliminary values are also the final values.
*/
#define CFG_OR_TIMING_DFLASH \
(OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX)
#define CFG_BR4_PRELIM ((CFG_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
#define CFG_OR4_PRELIM (((-CFG_DFLASH_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_DFLASH)
/**********************************************************
* BR5/6 and OR5/6 (Dual UART)
*/
#define CFG_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */
#define CFG_DUARTA_BASE 0xff010000
#define CFG_DUARTB_BASE 0xff018000
#define DUART_MBMR 0
#define DUART_OR_VALUE (ORMASK(CFG_DUART_SIZE) | OR_G5LS| OR_BI)
#define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V)
#define DUART_BR5_VALUE ((CFG_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
#define DUART_BR6_VALUE ((CFG_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE)
/**********************************************************
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#define CONFIG_RESET_ON_PANIC /* reset if system panic() */
#define CFG_ENV_IS_IN_FLASH
#ifdef CFG_ENV_IS_IN_FLASH
/* environment is in FLASH */
#define CFG_ENV_ADDR 0xF8040000 /* AM29LV641 or AM29LV800BT */
#define CFG_ENV_ADDR_REDUND 0xF8050000 /* AM29LV641 or AM29LV800BT */
#define CFG_ENV_SECT_SIZE 0x00010000
#define CFG_ENV_SIZE 0x00002000
#else
/* environment is in EEPROM */
#define CFG_ENV_IS_IN_EEPROM 1
#define CFG_ENV_OFFSET 0 /* at beginning of EEPROM */
#define CFG_ENV_SIZE 1024 /* Use only a part of it*/
#endif
#if 1
#define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */
#define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"
#define CONFIG_AUTOBOOT_DELAY_STR "delayabit"
#define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */
#endif
#endif /* __CONFIG_H */
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