--- /dev/null
+/*
+ * (C) Copyright 2005
+ * Heiko Schocher, DENX Software Engineering, <hs@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
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
+#define CONFIG_MPC8272_FAMILY 1
+#define CONFIG_IDS8247 1
+#define CPU_ID_STR "MPC8247"
+
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#define CONFIG_BOOTCOUNT_LIMIT
+
+#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
+
+#undef CONFIG_BOOTARGS
+
+#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 " \
+ "console=ttyS0,115200\0" \
+ "addip=setenv bootargs $(bootargs) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
+ ":$(hostname):$(netdev):off panic=1\0" \
+ "flash_nfs=run nfsargs addip;" \
+ "bootm $(kernel_addr)\0" \
+ "flash_self=run ramargs addip;" \
+ "bootm $(kernel_addr) $(ramdisk_addr)\0" \
+ "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
+ "rootpath=/opt/eldk/ppc_82xx\0" \
+ "bootfile=/tftpboot/IDS8247/uImage\0" \
+ "kernel_addr=ff800000\0" \
+ "ramdisk_addr=ffa00000\0" \
+ ""
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+#define CONFIG_MISC_INIT_R 1
+
+/* 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 400000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x7F
+
+/*
+ * Software (bit-bang) I2C driver configuration
+ */
+
+#define I2C_PORT 0 /* Port A=0, B=1, C=2, D=3 */
+#define I2C_ACTIVE (iop->pdir |= 0x00000080)
+#define I2C_TRISTATE (iop->pdir &= ~0x00000080)
+#define I2C_READ ((iop->pdat & 0x00000080) != 0)
+#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00000080; \
+ else iop->pdat &= ~0x00000080
+#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00000100; \
+ else iop->pdat &= ~0x00000100
+#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
+
+#if 0
+#define CFG_I2C_EEPROM_ADDR 0x50
+#define CFG_I2C_EEPROM_ADDR_LEN 2
+#define CFG_EEPROM_PAGE_WRITE_BITS 4
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
+
+#define CONFIG_I2C_X
+#endif
+
+/*
+ * select serial console configuration
+ * use the extern UART for the console
+ */
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+/*
+ * NS16550 Configuration
+ */
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+
+#define CFG_NS16550_REG_SIZE 1
+
+#define CFG_NS16550_CLK 14745600
+
+#define CFG_UART_BASE 0xE0000000
+#define CFG_UART_SIZE 0x10000
+
+#define CFG_NS16550_COM1 (CFG_UART_BASE + 0x8000)
+
+/*
+ * select ethernet configuration
+ *
+ * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
+ * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
+ * for FCC)
+ *
+ * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
+ * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
+ * from CONFIG_COMMANDS to remove support for networking.
+ *
+ */
+#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
+#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
+#undef CONFIG_ETHER_NONE /* define if ether on something else */
+#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
+
+/*
+ * - Rx-CLK is CLK13
+ * - Tx-CLK is CLK14
+ * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
+ * - Enable Full Duplex in FSMR
+ */
+# define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
+# define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
+# define CFG_CPMFCR_RAMTYPE 0
+# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
+
+
+/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
+#define CONFIG_8260_CLKIN 66666666 /* in Hz */
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+#define CONFIG_TIMESTAMP /* Print image info with timestamp */
+
+#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_NFS | \
+ CFG_CMD_NAND | \
+ CFG_CMD_I2C | \
+ CFG_CMD_SNTP )
+
+/* 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 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+#define CFG_RESET_ADDRESS 0xFDFFFFFC /* "bad" address */
+
+/*
+ * 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 */
+
+
+/* What should the base address of the main FLASH be and how big is
+ * it (in MBytes)? This must contain TEXT_BASE from board/ids8247/config.mk
+ * The main FLASH is whichever is connected to *CS0.
+ */
+#define CFG_FLASH0_BASE 0xFFF00000
+#define CFG_FLASH0_SIZE 8
+
+/* Flash bank size (for preliminary settings)
+ */
+#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
+#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
+
+/* Environment in flash */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (CFG_FLASH_BASE+0x60000)
+#define CFG_ENV_SIZE 0x20000
+#define CFG_ENV_SECT_SIZE 0x20000
+
+/*-----------------------------------------------------------------------
+ * NAND-FLASH stuff
+ *-----------------------------------------------------------------------
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+
+#define CFG_NAND0_BASE 0xE1000000
+
+#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
+#define SECTORSIZE 512
+#define NAND_NO_RB
+
+#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
+
+#define NAND_DISABLE_CE(nand) do \
+{ \
+ *(((volatile __u8 *)(nand->IO_ADDR)) + 0xc) = 0; \
+} while(0)
+
+#define NAND_ENABLE_CE(nand) do \
+{ \
+ *(((volatile __u8 *)(nand->IO_ADDR)) + 0x8) = 0; \
+} while(0)
+
+#define NAND_CTL_CLRALE(nandptr) do \
+{ \
+ *(((volatile __u8 *)nandptr) + 0x8) = 0; \
+} while(0)
+
+#define NAND_CTL_SETALE(nandptr) do \
+{ \
+ *(((volatile __u8 *)nandptr) + 0x9) = 0; \
+} while(0)
+
+#define NAND_CTL_CLRCLE(nandptr) do \
+{ \
+ *(((volatile __u8 *)nandptr) + 0x8) = 0; \
+} while(0)
+
+#define NAND_CTL_SETCLE(nandptr) do \
+{ \
+ *(((volatile __u8 *)nandptr) + 0xa) = 0; \
+} while(0)
+
+#ifdef NAND_NO_RB
+/* constant delay (see also tR in the datasheet) */
+#define NAND_WAIT_READY(nand) do { \
+ udelay(12); \
+} while (0)
+#else
+/* use the R/B pin */
+#endif
+
+#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x2)) = (__u8)(d); } while(0)
+#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x1)) = (__u8)(d); } while(0)
+#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x0)) = (__u8)d; } while(0)
+#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)(adr + 0x0)))
+
+#endif /* CFG_CMD_NAND */
+
+/*-----------------------------------------------------------------------
+ * Hard Reset Configuration Words
+ *
+ * if you change bits in the HRCW, you must also change the CFG_*
+ * defines for the various registers affected by the HRCW e.g. changing
+ * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
+ */
+#define CFG_HRCW_MASTER (HRCW_BPS01 | HRCW_BMS | HRCW_ISB100 | HRCW_APPC10 | HRCW_MODCK_H1000)
+
+/* no slaves so just fill with zeros */
+#define CFG_HRCW_SLAVE1 0
+#define CFG_HRCW_SLAVE2 0
+#define CFG_HRCW_SLAVE3 0
+#define CFG_HRCW_SLAVE4 0
+#define CFG_HRCW_SLAVE5 0
+#define CFG_HRCW_SLAVE6 0
+#define CFG_HRCW_SLAVE7 0
+
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xF0000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR CFG_IMMR
+#define CFG_INIT_RAM_END 0x2000 /* End of used area in DPRAM */
+#define CFG_GBL_DATA_SIZE 128 /* 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
+ *
+ * 60x SDRAM is mapped at CFG_SDRAM_BASE
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE CFG_FLASH0_BASE
+#define CFG_MONITOR_BASE TEXT_BASE
+#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * HIDx - Hardware Implementation-dependent Registers 2-11
+ *-----------------------------------------------------------------------
+ * HID0 also contains cache control - initially enable both caches and
+ * invalidate contents, then the final state leaves only the instruction
+ * cache enabled. Note that Power-On and Hard reset invalidate the caches,
+ * but Soft reset does not.
+ *
+ * HID1 has only read-only information - nothing to set.
+ */
+
+#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI)
+#define CFG_HID0_FINAL 0
+#define CFG_HID2 0
+
+/*-----------------------------------------------------------------------
+ * RMR - Reset Mode Register 5-5
+ *-----------------------------------------------------------------------
+ * turn on Checkstop Reset Enable
+ */
+#define CFG_RMR 0
+
+/*-----------------------------------------------------------------------
+ * BCR - Bus Configuration 4-25
+ *-----------------------------------------------------------------------
+ */
+#define CFG_BCR 0
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 4-31
+ *-----------------------------------------------------------------------
+ */
+#define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10|SIUMCR_BCTLC01)
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 4-35
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
+ SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
+#else
+#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
+ SYPCR_SWRI|SYPCR_SWP)
+#endif /* CONFIG_WATCHDOG */
+
+/*-----------------------------------------------------------------------
+ * TMCNTSC - Time Counter Status and Control 4-40
+ *-----------------------------------------------------------------------
+ * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
+ * and enable Time Counter
+ */
+#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 4-42
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
+ * Periodic timer
+ */
+#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock Control 9-8
+ *-----------------------------------------------------------------------
+ * Ensure DFBRG is Divide by 16
+ */
+#define CFG_SCCR (0x00000028 | SCCR_DFBRG01)
+
+/*-----------------------------------------------------------------------
+ * RCCR - RISC Controller Configuration 13-7
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RCCR 0
+
+/*
+ * Init Memory Controller:
+ *
+ * Bank Bus Machine PortSz Device
+ * ---- --- ------- ------ ------
+ * 0 60x GPCM 16 bit FLASH
+ * 1 60x GPCM 8 bit NAND
+ * 2 60x SDRAM 32 bit SDRAM
+ * 3 60x GPCM 8 bit UART
+ *
+ */
+
+#define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
+
+/* Minimum mask to separate preliminary
+ * address ranges for CS[0:2]
+ */
+#define CFG_GLOBAL_SDRAM_LIMIT (32<<20) /* less than 32 MB */
+
+#define CFG_MPTPR 0x6600
+
+/*-----------------------------------------------------------------------------
+ * Address for Mode Register Set (MRS) command
+ *-----------------------------------------------------------------------------
+ */
+#define CFG_MRS_OFFS 0x00000110
+
+
+/* Bank 0 - FLASH
+ */
+#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
+ BRx_PS_8 |\
+ BRx_MS_GPCM_P |\
+ BRx_V)
+
+#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
+ ORxG_SCY_6_CLK )
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+/* Bank 1 - NAND Flash
+*/
+#define CFG_NAND_BASE CFG_NAND0_BASE
+#define CFG_NAND_SIZE 0x8000
+
+#define CFG_OR_TIMING_NAND 0x000036
+
+#define CFG_BR1_PRELIM ((CFG_NAND_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
+#define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_NAND_SIZE) | CFG_OR_TIMING_NAND )
+#endif
+
+/* Bank 2 - 60x bus SDRAM
+ */
+#define CFG_PSRT 0x20
+#define CFG_LSRT 0x20
+
+#define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
+ BRx_PS_32 |\
+ BRx_MS_SDRAM_P |\
+ BRx_V)
+
+#define CFG_OR2_PRELIM CFG_OR2
+
+
+/* SDRAM initialization values
+*/
+#define CFG_OR2 ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
+ ORxS_BPD_4 |\
+ ORxS_ROWST_PBI0_A10 |\
+ ORxS_NUMR_12)
+
+#define CFG_PSDMR (PSDMR_SDAM_A13_IS_A5 |\
+ PSDMR_BSMA_A15_A17 |\
+ PSDMR_SDA10_PBI0_A11 |\
+ PSDMR_RFRC_5_CLK |\
+ PSDMR_PRETOACT_2W |\
+ PSDMR_ACTTORW_2W |\
+ PSDMR_BL |\
+ PSDMR_LDOTOPRE_2C |\
+ PSDMR_WRC_3C |\
+ PSDMR_CL_3)
+
+/* Bank 3 - UART
+*/
+
+#define CFG_BR3_PRELIM ((CFG_UART_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
+#define CFG_OR3_PRELIM (((-CFG_UART_SIZE) & ORxG_AM_MSK) | ORxG_CSNT | ORxG_SCY_1_CLK | ORxG_TRLX )
+
+#endif /* __CONFIG_H */
projects / u-boot / blobdiff