diff options
Diffstat (limited to 'include/configs/integratorcp.h')
| -rw-r--r-- | include/configs/integratorcp.h | 158 |
1 files changed, 127 insertions, 31 deletions
diff --git a/include/configs/integratorcp.h b/include/configs/integratorcp.h index 0b0ffd43c6..4189f9c995 100644 --- a/include/configs/integratorcp.h +++ b/include/configs/integratorcp.h @@ -35,23 +35,15 @@ * High Level Configuration Options * (easy to change) */ -#if 1 -#define CONFIG_ARM926EJS 1 /* This is an arm926ejs CPU core */ -#else -#define CONFIG_ARM946ES 1 /* This is an arm946es CPU core */ -#endif -#define CONFIG_INTEGRATOR 1 /* in an Integrator board */ -#define CONFIG_ARCH_CINTEGRATOR 1 /* Specifically, a CP */ - +#define CFG_MEMTEST_START 0x100000 +#define CFG_MEMTEST_END 0x10000000 +#define CFG_HZ 1000 +#define CFG_HZ_CLOCK 1000000 /* Timer 1 is clocked at 1Mhz */ +#define CFG_TIMERBASE 0x13000100 -#define CFG_MEMTEST_START 0x100000 -#define CFG_MEMTEST_END 0x10000000 -#define CFG_HZ (1000000 / 256) /* Timer 1 is clocked at 1Mhz, with 256 divider */ -#define CFG_TIMERBASE 0x13000100 - -#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 -#define CONFIG_MISC_INIT_R 1 /* call misc_init_r during start up */ +#define CONFIG_MISC_INIT_R 1 /* call misc_init_r during start up */ /* * Size of malloc() pool */ @@ -74,7 +66,7 @@ #define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 } #define CONFIG_CONS_INDEX 0 #define CONFIG_BAUDRATE 38400 -#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } #define CFG_SERIAL0 0x16000000 #define CFG_SERIAL1 0x17000000 @@ -92,20 +84,31 @@ #if 0 #define CONFIG_BOOTDELAY 2 -#define CONFIG_BOOTARGS "root=/dev/nfs mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0" +#define CONFIG_BOOTARGS "root=/dev/nfs nfsroot=<IP address>:/<exported rootfs> mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0 video=clcdfb:0" #define CONFIG_BOOTCOMMAND "bootp ; bootm" #endif +/* The kernel command line & boot command below are for a platform flashed with afu.axf + +Image 666 Block 0 End Block 0 address 0x24000000 exec 0x24000000- name u-boot +Image 667 Block 1 End Block 13 address 0x24040000 exec 0x24040000- name u-linux +Image 668 Block 14 End Block 33 address 0x24380000 exec 0x24380000- name rootfs +SIB at Block62 End Block62 address 0x24f80000 + +*/ +#define CONFIG_BOOTDELAY 2 +#define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0 video=clcdfb:0 console=ttyAMA0" +#define CONFIG_BOOTCOMMAND "cp 0x24080000 0x7fc0 0x100000; bootm" /* * Miscellaneous configurable options */ -#define CFG_LONGHELP /* undef to save memory */ -#define CFG_PROMPT "Integrator-CP # " /* Monitor Command Prompt */ -#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "Integrator-CP # " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size*/ /* Print Buffer Size */ #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) -#define CFG_MAXARGS 16 /* max number of command args */ -#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size*/ #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ #define CFG_LOAD_ADDR 0x7fc0 /* default load address */ @@ -124,24 +127,117 @@ /*----------------------------------------------------------------------- * Physical Memory Map */ -#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ -#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ -#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ /*----------------------------------------------------------------------- * FLASH and environment organization + + * Top varies according to amount fitted + * Reserve top 4 blocks of flash + * - ARM Boot Monitor + * - Unused + * - SIB block + * - U-Boot environment + * + * Base is always 0x24000000 + */ -#define CFG_FLASH_BASE 0x24000000 +#define CFG_FLASH_BASE 0x24000000 #define CFG_MAX_FLASH_SECT 64 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ -#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ -#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */ -#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */ +#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ +#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ + +#define CFG_MONITOR_LEN 0x00100000 +#define CFG_ENV_IS_IN_FLASH (1) + +/* + * Move up the U-Boot & monitor area if more flash is fitted. + * If this U-Boot is to be run on Integrators with varying flash sizes, + * drivers/cfi_flash.c::flash_init() can read the Integrator CP_FLASHPROG + * register and dynamically assign CFG_ENV_ADDR & CFG_MONITOR_BASE + * - CFG_MONITOR_BASE is set to indicate that the environment is not + * embedded in the boot monitor(s) area + */ +#if ( PHYS_FLASH_SIZE == 0x04000000 ) + +#define CFG_ENV_ADDR 0x27F00000 +#define CFG_MONITOR_BASE 0x27F40000 + +#elif (PHYS_FLASH_SIZE == 0x02000000 ) + +#define CFG_ENV_ADDR 0x25F00000 +#define CFG_MONITOR_BASE 0x25F40000 + +#else -#define CFG_MONITOR_BASE 0x24F40000 -#define CFG_ENV_IS_IN_FLASH #define CFG_ENV_ADDR 0x24F00000 +#define CFG_MONITOR_BASE 0x27F40000 + +#endif + #define CFG_ENV_SECT_SIZE 0x40000 /* 256KB */ #define CFG_ENV_SIZE 8192 /* 8KB */ +/*----------------------------------------------------------------------- + * CP control registers + */ +#define CPCR_BASE 0xCB000000 /* CP Registers*/ +#define OS_FLASHPROG 0x00000004 /* Flash register*/ +#define CPMASK_EXTRABANK 0x8 +#define CPMASK_FLASHSIZE 0x4 +#define CPMASK_FLWREN 0x2 +#define CPMASK_FLVPPEN 0x1 + +/* + * The ARM boot monitor initializes the board. + * However, the default U-Boot code also performs the initialization. + * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT + * - see documentation supplied with board for details of how to choose the + * image to run at reset/power up + * e.g. whether the ARM Boot Monitor runs before U-Boot + +#define CONFIG_SKIP_LOWLEVEL_INIT + + */ + +/* + * The ARM boot monitor does not relocate U-Boot. + * However, the default U-Boot code performs the relocation check, + * and may relocate the code if the memory map is changed. + * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT + +#define SKIP_CONFIG_RELOCATE_UBOOT + + */ +/*----------------------------------------------------------------------- + * There are various dependencies on the core module (CM) fitted + * Users should refer to their CM user guide + * - when porting adjust u-boot/Makefile accordingly + * to define the necessary CONFIG_ s for the CM involved + * see e.g. cp_926ejs_config + */ + +#include "armcoremodule.h" + +/* + * If CONFIG_SKIP_LOWLEVEL_INIT is not defined & + * the core module has a CM_INIT register + * then the U-Boot initialisation code will + * e.g. ARM Boot Monitor or pre-loader is repeated once + * (to re-initialise any existing CM_INIT settings to safe values). + * + * This is usually not the desired behaviour since the platform + * will either reboot into the ARM monitor (or pre-loader) + * or continuously cycle thru it without U-Boot running, + * depending upon the setting of Integrator/CP switch S2-4. + * + * However it may be needed if Integrator/CP switch S2-1 + * is set OFF to boot direct into U-Boot. + * In that case comment out the line below. +#undef CONFIG_CM_INIT + */ #endif /* __CONFIG_H */ |