| /* |
| * (C) Copyright 2003 |
| * EMK Elektronik GmbH <www.emk-elektronik.de> |
| * Reinhard Meyer <r.meyer@emk-elektronik.de> |
| * |
| * Configuation settings for the TOP860 board. |
| * |
| * ----------------------------------------------------------------- |
| * 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 |
| */ |
| /* |
| * TOP860 is a simple module: |
| * 16-bit wide FLASH on CS0 (2MB or more) |
| * 32-bit wide DRAM on CS2 (either 4MB or 16MB) |
| * FEC with Am79C874 100-Base-T and Fiber Optic |
| * Ports available, but we choose SMC1 for Console |
| * 8k I2C EEPROM at address 0xae, 6k user available, 2k factory set |
| * 32768Hz crystal PLL set for 49.152MHz Core and 24.576MHz Bus Clock |
| * |
| * This config has been copied from MBX.h / MBX860T.h |
| */ |
| /* |
| * board/config.h - configuration options, board specific |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| /*----------------------------------------------------------------------- |
| * CPU and BOARD type |
| */ |
| #define CONFIG_MPC860 1 /* This is a MPC860 CPU */ |
| #define CONFIG_MPC860T 1 /* even better... an FEC! */ |
| #define CONFIG_TOP860 1 /* ...on a TOP860 module */ |
| #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| #define CONFIG_IDENT_STRING " EMK TOP860" |
| |
| /*----------------------------------------------------------------------- |
| * CLOCK settings |
| */ |
| #define CONFIG_SYSCLK 49152000 |
| #define CFG_XTAL 32768 |
| #define CONFIG_EBDF 1 |
| #define CONFIG_COM 3 |
| #define CONFIG_RTC_MPC8xx |
| |
| /*----------------------------------------------------------------------- |
| * Physical memory map as defined by EMK |
| */ |
| #define CFG_IMMR 0xFFF00000 /* Internal Memory Mapped Register */ |
| #define CFG_FLASH_BASE 0x80000000 /* FLASH in final mapping */ |
| #define CFG_DRAM_BASE 0x00000000 /* DRAM in final mapping */ |
| #define CFG_FLASH_MAX 0x00400000 /* max FLASH to expect */ |
| #define CFG_DRAM_MAX 0x01000000 /* max DRAM to expect */ |
| |
| /*----------------------------------------------------------------------- |
| * derived values |
| */ |
| #define CFG_MF (CONFIG_SYSCLK/CFG_XTAL) |
| #define CFG_CPUCLOCK CONFIG_SYSCLK |
| #define CFG_BRGCLOCK CONFIG_SYSCLK |
| #define CFG_BUSCLOCK (CONFIG_SYSCLK >> CONFIG_EBDF) |
| #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| #define CONFIG_8xx_GCLK_FREQ CONFIG_SYSCLK |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 128 /* 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_FLASH_CFI |
| |
| /*----------------------------------------------------------------------- |
| * Command interpreter |
| */ |
| #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| #undef CONFIG_8xx_CONS_SMC2 |
| #define CONFIG_BAUDRATE 9600 |
| |
| /* |
| * Allow partial commands to be matched to uniqueness. |
| */ |
| #define CFG_MATCH_PARTIAL_CMD |
| |
| /* |
| * List of available monitor commands. Use the system default list |
| * plus add some of the "non-standard" commands back in. |
| * See ./cmd_confdefs.h |
| */ |
| #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
| CFG_CMD_ASKENV | \ |
| CFG_CMD_DHCP | \ |
| CFG_CMD_I2C | \ |
| CFG_CMD_EEPROM | \ |
| CFG_CMD_REGINFO | \ |
| CFG_CMD_IMMAP | \ |
| CFG_CMD_ELF | \ |
| CFG_CMD_DATE | \ |
| CFG_CMD_MII | \ |
| CFG_CMD_BEDBUG \ |
| ) |
| |
| #define CONFIG_AUTOSCRIPT 1 |
| #define CFG_LOADS_BAUD_CHANGE 1 |
| #undef CONFIG_LOADS_ECHO /* NO echo on for serial download */ |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| #define CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
| |
| #undef CFG_HUSH_PARSER /* Hush parse for U-Boot */ |
| |
| #ifdef CFG_HUSH_PARSER |
| #define CFG_PROMPT_HUSH_PS2 "> " |
| #endif |
| |
| #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 */ |
| |
| /*----------------------------------------------------------------------- |
| * Memory Test Command |
| */ |
| #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
| |
| /*----------------------------------------------------------------------- |
| * Environment handler |
| * only the first 6k in EEPROM are available for user. Of that we use 256b |
| */ |
| #define CONFIG_SOFT_I2C |
| #define CFG_ENV_IS_IN_EEPROM 1 /* turn on EEPROM env feature */ |
| #define CFG_ENV_OFFSET 0x1000 |
| #define CFG_ENV_SIZE 0x0700 |
| #define CFG_I2C_EEPROM_ADDR 0x57 |
| #define CFG_FACT_OFFSET 0x1800 |
| #define CFG_FACT_SIZE 0x0800 |
| #define CFG_I2C_FACT_ADDR 0x57 |
| #define CFG_EEPROM_PAGE_WRITE_BITS 3 |
| #define CFG_I2C_EEPROM_ADDR_LEN 2 |
| #define CFG_EEPROM_SIZE 0x2000 |
| #define CFG_I2C_SPEED 100000 |
| #define CFG_I2C_SLAVE 0xFE |
| #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12 |
| #define CONFIG_ENV_OVERWRITE |
| #define CONFIG_MISC_INIT_R |
| |
| #if defined (CONFIG_SOFT_I2C) |
| #define SDA 0x00010 |
| #define SCL 0x00020 |
| #define __I2C_DIR immr->im_cpm.cp_pbdir |
| #define __I2C_DAT immr->im_cpm.cp_pbdat |
| #define __I2C_PAR immr->im_cpm.cp_pbpar |
| #define __I2C_ODR immr->im_cpm.cp_pbodr |
| #define I2C_INIT { __I2C_PAR &= ~(SDA|SCL); \ |
| __I2C_ODR &= ~(SDA|SCL); \ |
| __I2C_DAT |= (SDA|SCL); \ |
| __I2C_DIR|=(SDA|SCL); } |
| #define I2C_READ ((__I2C_DAT & SDA) ? 1 : 0) |
| #define I2C_SDA(x) { if (x) __I2C_DAT |= SDA; else __I2C_DAT &= ~SDA; } |
| #define I2C_SCL(x) { if (x) __I2C_DAT |= SCL; else __I2C_DAT &= ~SCL; } |
| #define I2C_DELAY { udelay(5); } |
| #define I2C_ACTIVE { __I2C_DIR |= SDA; } |
| #define I2C_TRISTATE { __I2C_DIR &= ~SDA; } |
| #endif |
| |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } |
| |
| /*----------------------------------------------------------------------- |
| * defines we need to get FEC running |
| */ |
| #define CONFIG_NET_MULTI 1 /* the only way to get the FEC in */ |
| #define CONFIG_FEC_ENET 1 /* Ethernet only via FEC */ |
| #define FEC_ENET 1 /* eth.c needs it that way... */ |
| #define CFG_DISCOVER_PHY 1 |
| #define CONFIG_MII 1 |
| #define CONFIG_PHY_ADDR 31 |
| |
| /*----------------------------------------------------------------------- |
| * adresses |
| */ |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #define CFG_MONITOR_BASE TEXT_BASE |
| #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
| |
| /*----------------------------------------------------------------------- |
| * 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 0x80000000 |
| |
| /*----------------------------------------------------------------------- |
| * 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_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */ |
| #define CFG_INIT_VPD_OFFSET (CFG_GBL_DATA_OFFSET - CFG_INIT_VPD_SIZE) |
| #define CFG_INIT_SP_OFFSET (CFG_INIT_VPD_OFFSET-8) |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| |
| /* Interrupt level assignments. |
| */ |
| #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| /*----------------------------------------------------------------------- |
| * Debug Enable Register |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #define CFG_DER 0 /* used in start.S */ |
| |
| /*----------------------------------------------------------------------- |
| * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
| *----------------------------------------------------------------------- |
| * set up PLPRCR (PLL, Low-Power, and Reset Control Register) |
| * 12 MF calculated Multiplication factor |
| * 4 0 0000 |
| * 1 SPLSS 0 System PLL lock status sticky |
| * 1 TEXPS 1 Timer expired status |
| * 1 0 0 |
| * 1 TMIST 0 Timers interrupt status |
| * 1 0 0 |
| * 1 CSRC 0 Clock source (0=DFNH, 1=DFNL) |
| * 2 LPM 00 Low-power modes |
| * 1 CSR 0 Checkstop reset enable |
| * 1 LOLRE 0 Loss-of-lock reset enable |
| * 1 FIOPD 0 Force I/O pull down |
| * 5 0 00000 |
| */ |
| #define CFG_PLPRCR (PLPRCR_TEXPS | ((CFG_MF-1)<<20)) |
| |
| /*----------------------------------------------------------------------- |
| * SYPCR - System Protection Control 11-9 |
| * SYPCR can only be written once after reset! |
| *----------------------------------------------------------------------- |
| * set up SYPCR: |
| * 16 SWTC 0xffff Software watchdog timer count |
| * 8 BMT 0xff Bus monitor timing |
| * 1 BME 1 Bus monitor enable |
| * 3 0 000 |
| * 1 SWF 1 Software watchdog freeze |
| * 1 SWE 0/1 Software watchdog enable |
| * 1 SWRI 0/1 Software watchdog reset/interrupt select (1=HRESET) |
| * 1 SWP 0/1 Software watchdog prescale (1=/2048) |
| */ |
| #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) |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| * set up SIUMCR |
| * 1 EARB 0 External arbitration |
| * 3 EARP 000 External arbitration request priority |
| * 4 0 0000 |
| * 1 DSHW 0 Data show cycles |
| * 2 DBGC 00 Debug pin configuration |
| * 2 DBPC 00 Debug port pins configuration |
| * 1 0 0 |
| * 1 FRC 0 FRZ pin configuration |
| * 1 DLK 0 Debug register lock |
| * 1 OPAR 0 Odd parity |
| * 1 PNCS 0 Parity enable for non memory controller regions |
| * 1 DPC 0 Data parity pins configuration |
| * 1 MPRE 0 Multiprocessor reservation enable |
| * 2 MLRC 11 Multi level reservation control (00=IRQ4, 01=3State, 10=KR/RETRY, 11=SPKROUT) |
| * 1 AEME 0 Async external master enable |
| * 1 SEME 0 Sync external master enable |
| * 1 BSC 0 Byte strobe configuration |
| * 1 GB5E 0 GPL_B5 enable |
| * 1 B2DD 0 Bank 2 double drive |
| * 1 B3DD 0 Bank 3 double drive |
| * 4 0 0000 |
| */ |
| #define CFG_SIUMCR (SIUMCR_MLRC11) |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 11-31 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| */ |
| #define CFG_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE) |
| |
| /*----------------------------------------------------------------------- |
| * SCCR - System Clock and reset Control Register 15-27 |
| *----------------------------------------------------------------------- |
| * set up SCCR (System Clock and Reset Control Register) |
| * 1 0 0 |
| * 2 COM 11 Clock output module (00=full, 01=half, 11=off) |
| * 3 0 000 |
| * 1 TBS 1 Timebase source (0=OSCCLK, 1=GCLK2) |
| * 1 RTDIV 0 Real-time clock divide (0=/4, 1=/512) |
| * 1 RTSEL 0 Real-time clock select (0=OSCM, 1=EXTCLK) |
| * 1 CRQEN 0 CPM request enable |
| * 1 PRQEN 0 Power management request enable |
| * 2 0 00 |
| * 2 EBDF xx External bus division factor |
| * 2 0 00 |
| * 2 DFSYNC 00 Division factor for SYNCLK |
| * 2 DFBRG 00 Division factor for BRGCLK |
| * 3 DFNL 000 Division factor low frequency |
| * 3 DFNH 000 Division factor high frequency |
| * 5 0 00000 |
| */ |
| #define SCCR_MASK 0 |
| #ifdef CONFIG_EBDF |
| #define CFG_SCCR (SCCR_COM11 | SCCR_TBS | SCCR_EBDF01) |
| #else |
| #define CFG_SCCR (SCCR_COM11 | SCCR_TBS) |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * Chip Select 0 - FLASH |
| *----------------------------------------------------------------------- |
| * Preliminary Values |
| */ |
| /* FLASH timing: CSNT=1 ACS=10 BIH=1 SCY=4 SETA=0 TLRX=1 EHTR=1 */ |
| #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_4_CLK | OR_TRLX | OR_EHTR) |
| #define CFG_OR0_PRELIM (-CFG_FLASH_MAX | CFG_OR_TIMING_FLASH) |
| #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_16 | BR_V ) |
| |
| /*----------------------------------------------------------------------- |
| * misc |
| *----------------------------------------------------------------------- |
| * |
| */ |
| /* |
| * Set the autoboot delay in seconds. A delay of -1 disables autoboot |
| */ |
| #define CONFIG_BOOTDELAY 5 |
| |
| /* |
| * Pass the clock frequency to the Linux kernel in units of MHz |
| */ |
| #define CONFIG_CLOCKS_IN_MHZ |
| |
| #define CONFIG_PREBOOT \ |
| "echo;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" |
| |
| /* |
| * BOOTP options |
| */ |
| #undef CONFIG_BOOTP_MASK |
| #define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \ |
| CONFIG_BOOTP_BOOTFILESIZE \ |
| ) |
| |
| |
| /* |
| * Set default IP stuff just to get bootstrap entries into the |
| * environment so that we can autoscript the full default environment. |
| */ |
| #define CONFIG_ETHADDR 9a:52:63:15:85:25 |
| #define CONFIG_SERVERIP 10.0.4.200 |
| #define CONFIG_IPADDR 10.0.4.111 |
| |
| /*----------------------------------------------------------------------- |
| * Defaults for Autoscript |
| */ |
| #define CFG_LOAD_ADDR 0x00100000 /* default load address */ |
| #define CFG_TFTP_LOADADDR 0x00100000 |
| |
| /* |
| * 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 */ |
| |
| |
| #endif /* __CONFIG_H */ |
