diff options
Diffstat (limited to 'include/configs/integratorcp.h')
| -rw-r--r-- | include/configs/integratorcp.h | 186 |
1 files changed, 107 insertions, 79 deletions
diff --git a/include/configs/integratorcp.h b/include/configs/integratorcp.h index 997c95a..4189f9c 100644 --- a/include/configs/integratorcp.h +++ b/include/configs/integratorcp.h @@ -66,7 +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 @@ -84,30 +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 -/* Flash loaded - - U-Boot - - u-linux - - system.cramfs */ #define CONFIG_BOOTDELAY 2 -#define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=128M ip=dhcp netdev=27,0, \ -0xfc800000,0xfc800010,eth0 video=clcdfb:0" -#define CONFIG_BOOTCOMMAND "cp 0x24040000 0x7fc0 0x80000; bootm" +#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 */ @@ -126,90 +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 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_BASE 0x24F40000 -#define CFG_ENV_IS_IN_FLASH +#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_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. integratorcp_CM926EJ-S_config + * to define the necessary CONFIG_ s for the CM involved + * see e.g. cp_926ejs_config */ -#define CM_BASE 0x10000000 - -/* CM registers common to all integrator/CP CMs */ -#define OS_CTRL 0x0000000C -#define CMMASK_REMAP 0x00000005 /* set remap & led */ -#define CMMASK_RESET 0x00000008 -#define OS_LOCK 0x00000014 -#define CMVAL_LOCK 0x0000A000 /* locking value */ -#define CMMASK_LOCK 0x0000005F /* locking value */ -#define CMVAL_UNLOCK 0x00000000 /* any value != CM_LOCKVAL */ -#define OS_SDRAM 0x00000020 -#define OS_INIT 0x00000024 -#define CMMASK_MAP_SIMPLE 0xFFFDFFFF /* simple mapping */ -#define CMMASK_TCRAM_DISABLE 0xFFFEFFFF /* TCRAM disabled */ -#define CMMASK_LOWVEC 0x00000004 /* vectors @ 0x00000000 */ -#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E) -#define CMMASK_INIT_102 0x00000300 /* see CM102xx ref manual - * - PLL test clock bypassed - * - bus clock ratio 2 - * - little endian - * - vectors at zero - */ -#endif /* CM1022xx */ - -#define CMMASK_LE 0x00000008 /* little endian */ -#define CMMASK_CMxx6_COMMON 0x00000100 /* Common value for CMxx6 - * - divisor/ratio b00000001 - * bx - * - HCLKDIV b000 - * bxx - * - PLL BYPASS b00 - */ - -/* Determine CM characteristics */ - -#undef CONFIG_CM_MULTIPLE_SSRAM -#undef CONFIG_CM_SPD_DETECT -#undef CONFIG_CM_REMAP -#undef CONFIG_CM_INIT -#undef CONFIG_CM_TCRAM - -#if defined (CONFIG_CM946E_S) || defined (CONFIG_CM966E_S) -#define CONFIG_CM_MULTIPLE_SSRAM /* CM has multiple SSRAM mapping */ -#endif - -#ifndef CONFIG_CM922t_XA10 -#define CONFIG_CM_SPD_DETECT /* CM supports SPD query */ -#define OS_SPD 0x00000100 /* Address of SPD data */ -#define CONFIG_CM_REMAP /* CM supports remapping */ -#define CONFIG_CM_INIT /* CM has initialization reg */ -#endif +#include "armcoremodule.h" -#if defined(CONFIG_CM926EJ_S) || defined (CONFIG_CM946E_S) || \ - defined(CONFIG_CM966E_S) || defined (CONFIG_CM1026EJ_S) || \ - defined(CONFIG_CM1136JF_S) -#define CONFIG_CM_TCRAM /* CM has TCRAM */ -#endif +/* + * 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 */ |