--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * modified for TOP5200-series by Reinhard Meyer, www.emk-elektronik.de
+ *
+ * TOP5200 differences from IceCube:
+ * 1 FLASH Bank for one Chip only, up to 64 MB in 16 MB Banks
+ * bank switch controlled by TIMER_6(LSB) and TIMER_7(MSB) Pins
+ * 1 SDRAM/DDRAM Bank up to 256 MB
+ * local VPD I2C Bus is software driven and uses
+ * GPIO_WKUP_6 for SDA, GPIO_WKUP_7 for SCL
+ * FLASH is re-located at 0xff000000
+ * Internal regs are at 0xf0000000
+ * Reset jumps to 0x00000100
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC5200 1 /* This is a MPC5200 CPU */
+#define CONFIG_TOP5200 1 /* ... on TOP5200 board - we need this for FEC.C */
+
+/*
+ * allowed and functional CONFIG_SYS_TEXT_BASE values:
+ * 0xff000000 low boot at 0x00000100 (default board setting)
+ * 0xfff00000 high boot at 0xfff00100 (board needs modification)
+ * 0x00100000 RAM load and test
+ */
+#define CONFIG_SYS_TEXT_BASE 0xff000000
+
+#define CONFIG_SYS_MPC5XXX_CLKIN 33000000 /* ... running at 33.000000MHz */
+
+#define CONFIG_HIGH_BATS 1 /* High BATs supported */
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
+#define CONFIG_BAUDRATE 9600 /* ... at 9600 bps */
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
+
+
+#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
+/*
+ * PCI Mapping:
+ * 0x40000000 - 0x4fffffff - PCI Memory
+ * 0x50000000 - 0x50ffffff - PCI IO Space
+ */
+# define CONFIG_PCI 1
+# define CONFIG_PCI_PNP 1
+# define CONFIG_PCI_SCAN_SHOW 1
+# define CONFIG_PCIAUTO_SKIP_HOST_BRIDGE 1
+
+# define CONFIG_PCI_MEM_BUS 0x40000000
+# define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS
+# define CONFIG_PCI_MEM_SIZE 0x10000000
+
+# define CONFIG_PCI_IO_BUS 0x50000000
+# define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS
+# define CONFIG_PCI_IO_SIZE 0x01000000
+
+#endif
+
+/* USB */
+#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
+
+# define CONFIG_USB_OHCI
+# define CONFIG_USB_CLOCK 0x0001bbbb
+# if defined (CONFIG_EVAL5200)
+# define CONFIG_USB_CONFIG 0x00005100
+# else
+# define CONFIG_USB_CONFIG 0x00001000
+# endif
+# define CONFIG_DOS_PARTITION
+# define CONFIG_USB_STORAGE
+
+#endif
+
+/* IDE */
+#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
+# define CONFIG_DOS_PARTITION
+#endif
+
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_BEDBUG
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EEPROM
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_IMMAP
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_REGINFO
+
+#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_USB
+#define CONFIG_CMD_PCI
+#endif
+
+
+/*
+ * MUST be low boot - HIGHBOOT is not supported anymore
+ */
+#if (CONFIG_SYS_TEXT_BASE == 0xFF000000) /* Boot low with 16 MB Flash */
+# define CONFIG_SYS_LOWBOOT 1
+# define CONFIG_SYS_LOWBOOT16 1
+#else
+# error "CONFIG_SYS_TEXT_BASE must be 0xff000000"
+#endif
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
+
+#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\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/MPC5200/uImage\0" \
+ ""
+
+#define CONFIG_BOOTCOMMAND "run flash_self"
+
+/*
+ * IPB Bus clocking configuration.
+ */
+#undef CONFIG_SYS_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
+
+/*
+ * I2C configuration
+ */
+/*
+ * EEPROM configuration
+ */
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 70
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
+#define CONFIG_SYS_EEPROM_SIZE 0x2000
+
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
+
+#if defined(CONFIG_SYS_I2C_SOFT)
+# define CONFIG_SYS_I2C
+# define CONFIG_SYS_I2C_SOFT_SPEED 100000
+# define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
+/**/
+# define SDA0 0x40
+# define SCL0 0x80
+# define GPIOE0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c00))
+# define DDR0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c08))
+# define DVO0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c0c))
+# define DVI0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c20))
+# define ODE0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c04))
+# define I2C_INIT {GPIOE0|=(SDA0|SCL0);ODE0|=(SDA0|SCL0);DVO0|=(SDA0|SCL0);DDR0|=(SDA0|SCL0);}
+# define I2C_READ ((DVI0&SDA0)?1:0)
+# define I2C_SDA(x) {if(x)DVO0|=SDA0;else DVO0&=~SDA0;}
+# define I2C_SCL(x) {if(x)DVO0|=SCL0;else DVO0&=~SCL0;}
+# define I2C_DELAY {udelay(5);}
+# define I2C_ACTIVE {DDR0|=SDA0;}
+# define I2C_TRISTATE {DDR0&=~SDA0;}
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
+#define CONFIG_SYS_I2C_FACT_ADDR 0x57
+#endif
+
+#if defined (CONFIG_HARD_I2C)
+# define CONFIG_SYS_I2C_MODULE 2 /* Select I2C module #1 or #2 */
+# define CONFIG_SYS_I2C_SPEED 100000 /* 100 kHz */
+# define CONFIG_SYS_I2C_SLAVE 0x7F
+#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
+#define CONFIG_SYS_I2C_FACT_ADDR 0x54
+#endif
+
+/*
+ * Flash configuration, expect one 16 Megabyte Bank at most
+ */
+#define CONFIG_SYS_FLASH_BASE 0xff000000
+#define CONFIG_SYS_FLASH_SIZE 0x01000000
+#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0)
+
+#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max num of sects on one chip */
+
+#define CONFIG_SYS_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
+
+#undef CONFIG_FLASH_16BIT /* Flash is 8-bit */
+
+/*
+ * DRAM configuration - will be read from VPD later... TODO!
+ */
+#if 0
+/* 2x MT48LC16M16A2 - 7.0 ns SDRAMS = 64 MegaBytes Total */
+#define CONFIG_SYS_DRAM_DDR 0
+#define CONFIG_SYS_DRAM_EMODE 0
+#define CONFIG_SYS_DRAM_MODE 0x008D
+#define CONFIG_SYS_DRAM_CONTROL 0x514F0000
+#define CONFIG_SYS_DRAM_CONFIG1 0xC2233A00
+#define CONFIG_SYS_DRAM_CONFIG2 0x88B70004
+#define CONFIG_SYS_DRAM_TAP_DEL 0x08
+#define CONFIG_SYS_DRAM_RAM_SIZE 0x19
+#endif
+#if 1
+/* 2x MT48LC16M16A2 - 7.5 ns SDRAMS = 64 MegaBytes Total */
+#define CONFIG_SYS_DRAM_DDR 0
+#define CONFIG_SYS_DRAM_EMODE 0
+#define CONFIG_SYS_DRAM_MODE 0x00CD
+#define CONFIG_SYS_DRAM_CONTROL 0x514F0000
+#define CONFIG_SYS_DRAM_CONFIG1 0xD2333A00
+#define CONFIG_SYS_DRAM_CONFIG2 0x8AD70004
+#define CONFIG_SYS_DRAM_TAP_DEL 0x08
+#define CONFIG_SYS_DRAM_RAM_SIZE 0x19
+#endif
+
+/*
+ * Environment settings
+ */
+#define CONFIG_ENV_IS_IN_EEPROM 1 /* turn on EEPROM env feature */
+#define CONFIG_ENV_OFFSET 0x1000
+#define CONFIG_ENV_SIZE 0x0700
+
+/*
+ * VPD settings
+ */
+#define CONFIG_SYS_FACT_OFFSET 0x1800
+#define CONFIG_SYS_FACT_SIZE 0x0800
+
+/*
+ * Memory map
+ *
+ * Warning!!! with the current BestComm Task, MBAR MUST BE set to 0xf0000000
+ */
+#define CONFIG_SYS_MBAR 0xf0000000 /* DO NOT CHANGE this */
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+#define CONFIG_SYS_DEFAULT_MBAR 0x80000000
+
+/* Use SRAM until RAM will be available */
+#define CONFIG_SYS_INIT_RAM_ADDR MPC5XXX_SRAM
+#define CONFIG_SYS_INIT_RAM_SIZE MPC5XXX_SRAM_SIZE /* Size of used area in DPRAM */
+
+
+#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
+
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
+# define CONFIG_SYS_RAMBOOT 1
+#endif
+
+#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
+#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC5xxx_FEC 1
+#define CONFIG_MPC5xxx_FEC_MII10 /* Workaround for FEC 100Mbit problem */
+#define CONFIG_PHY_ADDR 0x1f
+#define CONFIG_PHY_TYPE 0x79c874
+/*
+ * GPIO configuration:
+ * PSC1,2,3 predefined as UART
+ * PCI disabled
+ * Ethernet 100 with MD
+ */
+#define CONFIG_SYS_GPS_PORT_CONFIG 0x00058044
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#if defined(CONFIG_CMD_KGDB)
+# define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+# define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
+
+#define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
+#define CONFIG_SYS_MEMTEST_END 0x01f00000 /* 1 ... 31 MB in DRAM */
+
+#define CONFIG_SYS_LOAD_ADDR 0x200000 /* default load address */
+
+#define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC5xxx CPUs */
+#if defined(CONFIG_CMD_KGDB)
+# define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+
+#ifdef CONFIG_EVAL5200 /* M48T08 is available with the Evaluation board only */
+ #define CONFIG_RTC_MK48T59 1 /* use M48T08 on EVAL5200 */
+ #define RTC(reg) (0xf0010000+reg)
+ /* setup CS2 for M48T08. Must MAP 64kB */
+ #define CONFIG_SYS_CS2_START RTC(0)
+ #define CONFIG_SYS_CS2_SIZE 0x10000
+ /* setup CS2 configuration register: */
+ /* WaitP = 0, WaitX = 4, MX=0, AL=1, AA=1, CE=1 */
+ /* AS=2, DS=0, Bank=0, WTyp=0, WS=0, RS=0, WO=0, RO=0 */
+ #define CONFIG_SYS_CS2_CFG 0x00047800
+#else
+ #define CONFIG_RTC_MPC5200 1 /* use internal MPC5200 RTC */
+#endif
+
+/*
+ * Various low-level settings
+ */
+#define CONFIG_SYS_HID0_INIT HID0_ICE | HID0_ICFI
+#define CONFIG_SYS_HID0_FINAL HID0_ICE
+
+#define CONFIG_SYS_BOOTCS_START CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_BOOTCS_SIZE CONFIG_SYS_FLASH_SIZE
+#define CONFIG_SYS_BOOTCS_CFG 0x00047801
+#define CONFIG_SYS_CS0_START CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_CS0_SIZE CONFIG_SYS_FLASH_SIZE
+
+#define CONFIG_SYS_CS_BURST 0x00000000
+#define CONFIG_SYS_CS_DEADCYCLE 0x33333333
+
+#define CONFIG_SYS_RESET_ADDRESS 0x7f000000
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff Supports IDE harddisk
+ *-----------------------------------------------------------------------
+ */
+
+#undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */
+
+#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
+#undef CONFIG_IDE_LED /* LED for ide not supported */
+
+#define CONFIG_IDE_RESET 1
+#define CONFIG_IDE_PREINIT
+
+#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
+#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
+
+#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
+
+#define CONFIG_SYS_ATA_BASE_ADDR MPC5XXX_ATA
+
+/* Offset for data I/O */
+#define CONFIG_SYS_ATA_DATA_OFFSET (0x0060)
+
+/* Offset for normal register accesses */
+#define CONFIG_SYS_ATA_REG_OFFSET (CONFIG_SYS_ATA_DATA_OFFSET)
+
+/* Offset for alternate registers */
+#define CONFIG_SYS_ATA_ALT_OFFSET (0x005c)
+
+/* Interval between registers */
+#define CONFIG_SYS_ATA_STRIDE 4
+
+#endif /* __CONFIG_H */
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