diff options
| -rw-r--r-- | include/configs/ICU862.h | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/include/configs/ICU862.h b/include/configs/ICU862.h new file mode 100644 index 0000000..a7a11a6 --- /dev/null +++ b/include/configs/ICU862.h @@ -0,0 +1,455 @@ +/* + * (C) Copyright 2001-2002 + * 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 + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <mpc8xx_irq.h> + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_MPC860 1 +#define CONFIG_MPC860T 1 +#define CONFIG_ICU862 1 +#define CONFIG_MPC862 1 + +#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ +#undef CONFIG_8xx_CONS_SMC2 +#undef CONFIG_8xx_CONS_NONE +#define CONFIG_BAUDRATE 9600 +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ + +#ifdef CONFIG_100MHz +#define MPC8XX_FACT 24 /* Multiply by 24 */ +#define MPC8XX_XIN 4165000 /* 4.165 MHz in */ +#define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN) + /* define if cant' use get_gclk_freq */ +#else +#if 1 /* for 50MHz version of processor */ +#define MPC8XX_FACT 12 /* Multiply by 12 */ +#define MPC8XX_XIN 4000000 /* 4 MHz in */ +#define CONFIG_8xx_GCLK_FREQ 48000000 /* define if cant use get_gclk_freq */ +#else /* for 80MHz version of processor */ +#define MPC8XX_FACT 20 /* Multiply by 20 */ +#define MPC8XX_XIN 4000000 /* 4 MHz in */ +#define CONFIG_8xx_GCLK_FREQ 80000000 /* define if cant use get_gclk_freq */ +#endif +#endif + +#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_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" + +#undef CONFIG_BOOTARGS +#define CONFIG_BOOTCOMMAND \ + "bootp;" \ + "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ + "bootm" + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +#define CONFIG_STATUS_LED 1 /* Status LED enabled */ + +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) + +#undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */ +#define CONFIG_FEC_ENET 1 /* use FEC ethernet */ +#if 1 +#define CFG_DISCOVER_PHY 1 +#else +#undef CFG_DISCOVER_PHY +#endif + +#define CONFIG_MAC_PARTITION +#define CONFIG_DOS_PARTITION + +/* enable I2C and select the hardware/software driver */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ +# define CFG_I2C_SPEED 50000 +# define CFG_I2C_SLAVE 0xFE +# define CFG_I2C_EEPROM_ADDR 0x50 +# define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */ +/* + * 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_EEPROM_X40430 /* Use a Xicor X40430 EEPROM */ +#define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16 bytes page write mode */ + +#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ + +#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_DHCP | \ + CFG_CMD_EEPROM | \ + CFG_CMD_I2C | \ + CFG_CMD_IDE | \ + CFG_CMD_DATE ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save 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 0xF0000000 +#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_FLASH_BASE 0x40000000 +#define CFG_FLASH_SIZE ((uint)(16 * 1024 * 1024)) /* max 16Mbyte */ + +#define CFG_RESET_ADDRESS 0xFFF00100 + +#if 0 +#if defined(DEBUG) +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#else +#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ +#endif +#else +#define CFG_MONITOR_LEN (272 << 10) /* Reserve 272 kB for Monitor */ +#endif +#define CFG_MONITOR_BASE TEXT_BASE +#define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 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 */ +#define CFG_MAX_FLASH_SECT 64 /* 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) */ + + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_OFFSET 0x00F40000 + +#define CFG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment sector */ +#define CFG_ENV_SIZE 0x4000 /* Used Size of Environment Sector */ + +/*----------------------------------------------------------------------- + * 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 + */ +#ifdef CONFIG_100MHz /* for 100 MHz, external bus is half CPU clock */ +#define SCCR_MASK 0 +#define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ + SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ + SCCR_DFLCD000 |SCCR_DFALCD00 | SCCR_EBDF01) +#else /* up to 50 MHz we use a 1:1 clock */ +#define SCCR_MASK SCCR_EBDF11 +#define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ + SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ + SCCR_DFLCD000 |SCCR_DFALCD00 ) +#endif /* CONFIG_100MHz */ + +/*----------------------------------------------------------------------- + * RCCR - RISC Controller Configuration Register 19-4 + *----------------------------------------------------------------------- + */ +/* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */ +#define CFG_RCCR 0x0020 + +/*----------------------------------------------------------------------- + * PCMCIA stuff + *----------------------------------------------------------------------- + */ +#define CFG_PCMCIA_MEM_ADDR (0xE0000000) +#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_DMA_ADDR (0xE4000000) +#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) +#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_IO_ADDR (0xEC000000) +#define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) + +/*----------------------------------------------------------------------- + * PCMCIA Power Switch + * + * The ICU862 uses a TPS2205 PC-Card Power-Interface Switch to + * control the voltages on the PCMCIA slot which is connected to Port B + *----------------------------------------------------------------------- + */ + /* Output pins */ +#define TPS2205_VCC5 0x00008000 /* PB.16: 5V Voltage Control */ +#define TPS2205_VCC3 0x00004000 /* PB.17: 3V Voltage Control */ +#define TPS2205_VPP_PGM 0x00002000 /* PB.18: PGM Voltage Control */ +#define TPS2205_VPP_VCC 0x00001000 /* PB.19: VPP Voltage Control */ +#define TPS2205_SHDN 0x00000200 /* PB.22: Shutdown */ +#define TPS2205_OUTPUTS ( TPS2205_VCC5 | TPS2205_VCC3 | \ + TPS2205_VPP_PGM | TPS2205_VPP_VCC | \ + TPS2205_SHDN) + + /* Input pins */ +#define TPS2205_OC 0x00000100 /* PB.23: Over-Current */ +#define TPS2205_INPUTS ( TPS2205_OC ) + +/*----------------------------------------------------------------------- + * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) + *----------------------------------------------------------------------- + */ + +#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ + +#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ +#undef CONFIG_IDE_LED /* LED for ide not supported */ +#undef CONFIG_IDE_RESET /* reset for ide not supported */ + +#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ +#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ + +#define CFG_ATA_IDE0_OFFSET 0x0000 + +#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR + +/* Offset for data I/O */ +#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) + +/* Offset for normal register accesses */ +#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) + +/* Offset for alternate registers */ +#define CFG_ATA_ALT_OFFSET 0x0100 + + + /*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ +#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 FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0x0 /* FLASH bank #1 */ + +#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ +#define CFG_PRELIM_OR_AM 0xE0000000 /* 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_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) + +#define CFG_OR0_PRELIM 0xFF000954 /* Real values for the board */ +#define CFG_BR0_PRELIM 0x40000001 /* Real values for the board */ + +/* + * BR1 and OR1 (SDRAM) + */ +#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank */ +#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ + +#define CFG_OR_TIMING_SDRAM 0x00000800 /* BIH is not set */ + +#define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM) +#define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) + +/* + * Memory Periodic Timer Prescaler + */ + +/* periodic timer for refresh */ +#define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ + +/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ +#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ +#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ + +/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ +#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ +#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ + +/* + * MAMR settings for SDRAM + */ + +/* 8 column SDRAM */ +#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) +/* 9 column SDRAM */ +#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) + +#define CFG_MAMR 0x13a01114 +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#ifdef CONFIG_MPC860T + +/* Interrupt level assignments. +*/ +#define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ + +#endif /* CONFIG_MPC860T */ + + +#endif /* __CONFIG_H */ |