upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/configs/GENIETV.h

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/*
* A collection of structures, addresses, and values associated with
* the Motorola 860T FADS board. Copied from the MBX stuff.
* Magnus Damm added defines for 8xxrom and extended bd_info.
* Helmut Buchsbaum added bitvalues for BCSRx
*
* Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
*/
/*
* The GENIETV is using the following physical memorymap (copied from
* the FADS configuration):
*
* ff020000 -> ff02ffff : pcmcia
* ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxROM
* ff000000 -> ff00ffff : IMAP internal in the cpu
* 30000000 -> 300fffff : flash connected to CS0
* 00000000 -> nnnnnnnn : sdram setup by U-Boot
*
* CS pins are connected as follows:
*
* CS0 -512Kb boot flash
* CS1 - SDRAM #1
* CS2 - SDRAM #2
* CS3 - Flash #1
* CS4 - Flash #2
* CS5 - Lon (if present)
* CS6 - PCMCIA #1
* CS7 - PCMCIA #2
*/
/* ------------------------------------------------------------------------- */
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONFIG_SYS_TEXT_BASE 0x00000000
#define CONFIG_ETHADDR 08:00:22:50:70:63 /* Ethernet address */
#define CONFIG_ENV_OVERWRITE 1 /* Overwrite the environment */
#define CONFIG_SYS_ALLOC_DPRAM /* Use dynamic DPRAM allocation */
#define CONFIG_SYS_AUTOLOAD "n" /* No autoload */
/*#define CONFIG_VIDEO 1 / To enable the video initialization */
/*#define CONFIG_VIDEO_ADDR 0x00200000 */
/*#define CONFIG_HARD_I2C 1 / I2C with hardware support */
/*#define CONFIG_PCMCIA 1 / To enable the PCMCIA initialization */
/*#define CONFIG_SYS_PCMCIA_IO_ADDR 0xff020000 */
/*#define CONFIG_SYS_PCMCIA_IO_SIZE 0x10000 */
/*#define CONFIG_SYS_PCMCIA_MEM_ADDR 0xe0000000 */
/*#define CONFIG_SYS_PCMCIA_MEM_SIZE 0x10000 */
/* Video related */
/*#define CONFIG_VIDEO_LOGO 1 / Show the logo */
/*#define CONFIG_VIDEO_ENCODER_AD7177 1 / Enable this encoder */
/*#define CONFIG_VIDEO_ENCODER_AD7177_ADDR 0xF4 / ALSB to ground */
/* Wireless 56Khz 4PPM keyboard on SMCx */
/*#define CONFIG_KEYBOARD 0 */
/*#define CONFIG_WL_4PPM_KEYBOARD_SMC 0 / SMC to use (0 indexed) */
/*
* High Level Configuration Options
* (easy to change)
*/
#include <mpc8xx_irq.h>
#define CONFIG_GENIETV 1
#define CONFIG_MPC823 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 MPC8XX_FACT 12 /* Multiply by 12 */
#define MPC8XX_XIN 5000000 /* 4 MHz clock */
#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
#define CONFIG_SYS_PLPRCR_MF ((MPC8XX_FACT-1) << 20)
#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
#if 1
#define CONFIG_BOOTDELAY 1 /* autoboot after 2 seconds */
#define CONFIG_LOADS_ECHO 0 /* Dont echoes received characters */
#define CONFIG_BOOTARGS ""
#define CONFIG_BOOTCOMMAND \
"bootp; tftp; " \
"setenv bootargs console=tty0 console=ttyS0 " \
"root=/dev/nfs nfsroot=${serverip}:${rootpath} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${subnetmask}:${hostname}:eth0:off ;" \
"bootm "
#else
#define CONFIG_BOOTDELAY 0 /* autoboot disabled */
#endif
#undef CONFIG_WATCHDOG /* watchdog disabled */
/*
* 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>
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_PROMPT ":>" /* Monitor Command Prompt */
#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 8 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x00800000 /* 0 ... 8 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CONFIG_SYS_BAUDRATE_TABLE { 4800, 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 CONFIG_SYS_IMMR 0xFF000000
#define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024))
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* 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
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
* Also NOTE that it doesn't mean SDRAM - it means MEMORY.
*/
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_FLASH_BASE 0x02800000
#define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
#if 0
#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 128 kB for Monitor */
#else
#define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
#endif
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MALLOC_LEN (256 << 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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
#define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector (64k)*/
/* values according to the manual */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_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 CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
#else
#define CONFIG_SYS_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 CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
*/
#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC10)
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
/*-----------------------------------------------------------------------
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
*-----------------------------------------------------------------------
* Reset PLL lock status sticky bit, timer expired status bit and timer *
* interrupt status bit - leave PLL multiplication factor unchanged !
*
* #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
*/
#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | CONFIG_SYS_PLPRCR_MF)
/*-----------------------------------------------------------------------
* 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 CONFIG_SYS_SCCR (SCCR_TBS | \
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
SCCR_DFALCD00)
/*-----------------------------------------------------------------------
*
*-----------------------------------------------------------------------
*
*/
#define CONFIG_SYS_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 0x02800000 /* FLASH bank #0 */
#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
#define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask (512Kb) */
/* FLASH timing */
#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
OR_SCY_15_CLK | OR_TRLX )
/*#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) */
#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) /* 0xfff80ff4 */
#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_8) /* 0x02800401 */
/*
* BR1/2 and OR1/2 (SDRAM)
*/
#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
#define SDRAM_MAX_SIZE 0x04000000 /* 64Mb bank */
#define SDRAM_BASE1_PRELIM 0x00000000 /* First bank */
#define SDRAM_BASE2_PRELIM 0x10000000 /* Second bank */
/*
* Memory Periodic Timer Prescaler
*/
/* periodic timer for refresh */
#define CONFIG_SYS_MBMR_PTB 0x5d /* start with divider for 100 MHz */
/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32
/*
* MBMR settings for SDRAM
*/
/* 8 column SDRAM */
#define CONFIG_SYS_MBMR_8COL ((CONFIG_SYS_MBMR_PTB << MAMR_PTA_SHIFT) | MAMR_PTAE | \
MAMR_G0CLA_A11 | MAMR_RLFA_1X | MAMR_WLFA_1X \
| MAMR_TLFA_4X) /* 0x5d802114 */
/* values according to the manual */
#define CONFIG_DRAM_50MHZ 1
#define CONFIG_SDRAM_50MHZ
/* We don't use the 8259.
*/
#define NR_8259_INTS 0
/*
* MPC8xx CPM Options
*/
#define CONFIG_SCC_ENET 1
#define CONFIG_DISK_SPINUP_TIME 1000000
/* PCMCIA configuration */
#define PCMCIA_MAX_SLOTS 1
#define PCMCIA_SLOT_B 1
#endif /* __CONFIG_H */