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@@ -66,7 +66,7 @@
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#define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 }
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#define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 }
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_BAUDRATE 38400
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#define CONFIG_BAUDRATE 38400
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-#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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#define CFG_SERIAL0 0x16000000
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#define CFG_SERIAL0 0x16000000
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#define CFG_SERIAL1 0x17000000
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#define CFG_SERIAL1 0x17000000
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@@ -84,30 +84,31 @@
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#if 0
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#if 0
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#define CONFIG_BOOTDELAY 2
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#define CONFIG_BOOTDELAY 2
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-#define CONFIG_BOOTARGS "root=/dev/nfs mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0"
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+#define CONFIG_BOOTARGS "root=/dev/nfs nfsroot=<IP address>:/<exported rootfs> mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0 video=clcdfb:0"
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#define CONFIG_BOOTCOMMAND "bootp ; bootm"
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#define CONFIG_BOOTCOMMAND "bootp ; bootm"
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#endif
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#endif
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+/* The kernel command line & boot command below are for a platform flashed with afu.axf
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+
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+Image 666 Block 0 End Block 0 address 0x24000000 exec 0x24000000- name u-boot
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+Image 667 Block 1 End Block 13 address 0x24040000 exec 0x24040000- name u-linux
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+Image 668 Block 14 End Block 33 address 0x24380000 exec 0x24380000- name rootfs
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+SIB at Block62 End Block62 address 0x24f80000
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-/* Flash loaded
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- - U-Boot
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- - u-linux
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- - system.cramfs
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*/
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*/
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#define CONFIG_BOOTDELAY 2
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#define CONFIG_BOOTDELAY 2
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-#define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=128M ip=dhcp netdev=27,0, \
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-0xfc800000,0xfc800010,eth0 video=clcdfb:0"
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-#define CONFIG_BOOTCOMMAND "cp 0x24040000 0x7fc0 0x80000; bootm"
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+#define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=128M ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0 video=clcdfb:0 console=ttyAMA0"
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+#define CONFIG_BOOTCOMMAND "cp 0x24080000 0x7fc0 0x100000; bootm"
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/*
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/*
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* Miscellaneous configurable options
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* Miscellaneous configurable options
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*/
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*/
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-#define CFG_LONGHELP /* undef to save memory */
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-#define CFG_PROMPT "Integrator-CP # " /* Monitor Command Prompt */
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-#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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+#define CFG_LONGHELP /* undef to save memory */
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+#define CFG_PROMPT "Integrator-CP # " /* Monitor Command Prompt */
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+#define CFG_CBSIZE 256 /* Console I/O Buffer Size*/
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/* Print Buffer Size */
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/* Print Buffer Size */
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
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-#define CFG_MAXARGS 16 /* max number of command args */
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-#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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+#define CFG_MAXARGS 16 /* max number of command args */
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+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size*/
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#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
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#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
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#define CFG_LOAD_ADDR 0x7fc0 /* default load address */
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#define CFG_LOAD_ADDR 0x7fc0 /* default load address */
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@@ -126,90 +127,117 @@
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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* Physical Memory Map
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* Physical Memory Map
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*/
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*/
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-#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
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-#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
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-#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */
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+#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
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+#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
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+#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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* FLASH and environment organization
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* FLASH and environment organization
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+
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+ * Top varies according to amount fitted
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+ * Reserve top 4 blocks of flash
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+ * - ARM Boot Monitor
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+ * - Unused
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+ * - SIB block
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+ * - U-Boot environment
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+ *
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+ * Base is always 0x24000000
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+
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*/
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*/
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-#define CFG_FLASH_BASE 0x24000000
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+#define CFG_FLASH_BASE 0x24000000
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#define CFG_MAX_FLASH_SECT 64
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#define CFG_MAX_FLASH_SECT 64
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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-#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */
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+#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */
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#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
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#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
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#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
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#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
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-#define CFG_MONITOR_BASE 0x24F40000
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-#define CFG_ENV_IS_IN_FLASH
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+#define CFG_MONITOR_LEN 0x00100000
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+#define CFG_ENV_IS_IN_FLASH (1)
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+
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+/*
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+ * Move up the U-Boot & monitor area if more flash is fitted.
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+ * If this U-Boot is to be run on Integrators with varying flash sizes,
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+ * drivers/cfi_flash.c::flash_init() can read the Integrator CP_FLASHPROG
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+ * register and dynamically assign CFG_ENV_ADDR & CFG_MONITOR_BASE
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+ * - CFG_MONITOR_BASE is set to indicate that the environment is not
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+ * embedded in the boot monitor(s) area
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+ */
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+#if ( PHYS_FLASH_SIZE == 0x04000000 )
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+
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+#define CFG_ENV_ADDR 0x27F00000
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+#define CFG_MONITOR_BASE 0x27F40000
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+
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+#elif (PHYS_FLASH_SIZE == 0x02000000 )
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+
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+#define CFG_ENV_ADDR 0x25F00000
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+#define CFG_MONITOR_BASE 0x25F40000
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+
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+#else
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+
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#define CFG_ENV_ADDR 0x24F00000
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#define CFG_ENV_ADDR 0x24F00000
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+#define CFG_MONITOR_BASE 0x27F40000
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+
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+#endif
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+
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#define CFG_ENV_SECT_SIZE 0x40000 /* 256KB */
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#define CFG_ENV_SECT_SIZE 0x40000 /* 256KB */
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#define CFG_ENV_SIZE 8192 /* 8KB */
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#define CFG_ENV_SIZE 8192 /* 8KB */
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+/*-----------------------------------------------------------------------
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+ * CP control registers
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+ */
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+#define CPCR_BASE 0xCB000000 /* CP Registers*/
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+#define OS_FLASHPROG 0x00000004 /* Flash register*/
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+#define CPMASK_EXTRABANK 0x8
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+#define CPMASK_FLASHSIZE 0x4
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+#define CPMASK_FLWREN 0x2
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+#define CPMASK_FLVPPEN 0x1
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+
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+/*
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+ * The ARM boot monitor initializes the board.
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+ * However, the default U-Boot code also performs the initialization.
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+ * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT
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+ * - see documentation supplied with board for details of how to choose the
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+ * image to run at reset/power up
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+ * e.g. whether the ARM Boot Monitor runs before U-Boot
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+#define CONFIG_SKIP_LOWLEVEL_INIT
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+
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+ */
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+
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+/*
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+ * The ARM boot monitor does not relocate U-Boot.
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+ * However, the default U-Boot code performs the relocation check,
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+ * and may relocate the code if the memory map is changed.
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+ * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT
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+
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+#define SKIP_CONFIG_RELOCATE_UBOOT
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+
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+ */
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/*-----------------------------------------------------------------------
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/*-----------------------------------------------------------------------
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* There are various dependencies on the core module (CM) fitted
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* There are various dependencies on the core module (CM) fitted
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* Users should refer to their CM user guide
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* Users should refer to their CM user guide
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* - when porting adjust u-boot/Makefile accordingly
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* - when porting adjust u-boot/Makefile accordingly
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- * to define the necessary CONFIG_ s for the CM involved
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- * see e.g. integratorcp_CM926EJ-S_config
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+ * to define the necessary CONFIG_ s for the CM involved
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+ * see e.g. cp_926ejs_config
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*/
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*/
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-#define CM_BASE 0x10000000
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-
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-/* CM registers common to all integrator/CP CMs */
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-#define OS_CTRL 0x0000000C
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-#define CMMASK_REMAP 0x00000005 /* set remap & led */
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-#define CMMASK_RESET 0x00000008
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-#define OS_LOCK 0x00000014
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-#define CMVAL_LOCK 0x0000A000 /* locking value */
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-#define CMMASK_LOCK 0x0000005F /* locking value */
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-#define CMVAL_UNLOCK 0x00000000 /* any value != CM_LOCKVAL */
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-#define OS_SDRAM 0x00000020
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-#define OS_INIT 0x00000024
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-#define CMMASK_MAP_SIMPLE 0xFFFDFFFF /* simple mapping */
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-#define CMMASK_TCRAM_DISABLE 0xFFFEFFFF /* TCRAM disabled */
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-#define CMMASK_LOWVEC 0x00000004 /* vectors @ 0x00000000 */
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-#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
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-#define CMMASK_INIT_102 0x00000300 /* see CM102xx ref manual
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- * - PLL test clock bypassed
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- * - bus clock ratio 2
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- * - little endian
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- * - vectors at zero
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- */
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-#endif /* CM1022xx */
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-
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-#define CMMASK_LE 0x00000008 /* little endian */
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-#define CMMASK_CMxx6_COMMON 0x00000100 /* Common value for CMxx6
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- * - divisor/ratio b00000001
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- * bx
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- * - HCLKDIV b000
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- * bxx
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- * - PLL BYPASS b00
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- */
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-
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-/* Determine CM characteristics */
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-
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-#undef CONFIG_CM_MULTIPLE_SSRAM
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-#undef CONFIG_CM_SPD_DETECT
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-#undef CONFIG_CM_REMAP
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-#undef CONFIG_CM_INIT
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-#undef CONFIG_CM_TCRAM
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-
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-#if defined (CONFIG_CM946E_S) || defined (CONFIG_CM966E_S)
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-#define CONFIG_CM_MULTIPLE_SSRAM /* CM has multiple SSRAM mapping */
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-#endif
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-
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-#ifndef CONFIG_CM922t_XA10
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-#define CONFIG_CM_SPD_DETECT /* CM supports SPD query */
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-#define OS_SPD 0x00000100 /* Address of SPD data */
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-#define CONFIG_CM_REMAP /* CM supports remapping */
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-#define CONFIG_CM_INIT /* CM has initialization reg */
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-#endif
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+#include "armcoremodule.h"
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-#if defined(CONFIG_CM926EJ_S) || defined (CONFIG_CM946E_S) || \
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- defined(CONFIG_CM966E_S) || defined (CONFIG_CM1026EJ_S) || \
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- defined(CONFIG_CM1136JF_S)
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-#define CONFIG_CM_TCRAM /* CM has TCRAM */
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-#endif
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+/*
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+ * If CONFIG_SKIP_LOWLEVEL_INIT is not defined &
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+ * the core module has a CM_INIT register
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+ * then the U-Boot initialisation code will
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+ * e.g. ARM Boot Monitor or pre-loader is repeated once
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+ * (to re-initialise any existing CM_INIT settings to safe values).
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+ *
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+ * This is usually not the desired behaviour since the platform
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+ * will either reboot into the ARM monitor (or pre-loader)
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+ * or continuously cycle thru it without U-Boot running,
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+ * depending upon the setting of Integrator/CP switch S2-4.
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+ *
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+ * However it may be needed if Integrator/CP switch S2-1
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+ * is set OFF to boot direct into U-Boot.
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+ * In that case comment out the line below.
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+#undef CONFIG_CM_INIT
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+ */
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#endif /* __CONFIG_H */
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#endif /* __CONFIG_H */
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