[U-Boot] [PATCH 12/14] microblaze: Move architecture to use generic board init
Simon Glass
sjg at chromium.org
Thu Jan 29 03:15:21 CET 2015
Hi Michal,
On 27 January 2015 at 08:20, Michal Simek <michal.simek at xilinx.com> wrote:
> Compile code with -fPIC to get GOT. Do not build SPL
> with fPIC because it increasing SPL size for nothing.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
> This code requires
> "common/board_r: manual relocation for cmd table"
> http://lists.denx.de/pipermail/u-boot/2015-January/201965.html
>
> Not fully happy about it because compare to previous solution adds
> almost +60k on size for doing the same thing as before.
>
> 15: microblaze: Move architecture to use generic board init
> microblaze: (for 1/1 boards) all +52268.0 bss -4.0 data +11724.0
> rodata -2676.0 spl/u-boot-spl:all +36.0 spl/u-boot-spl:data +36.0
> text +43224.0
> microblaze-generic: all +52268 bss -4 data +11724 rodata
> -2676 spl/u-boot-spl:all +36 spl/u-boot-spl:data +36 text +43224
> ---
> arch/microblaze/config.mk | 5 +
> arch/microblaze/cpu/start.S | 103 +++++++++++
> arch/microblaze/cpu/u-boot.lds | 9 +
> arch/microblaze/include/asm/config.h | 8 +
> arch/microblaze/include/asm/u-boot.h | 11 +-
> arch/microblaze/lib/Makefile | 1 -
> arch/microblaze/lib/board.c | 201 ---------------------
> .../xilinx/microblaze-generic/microblaze-generic.c | 46 +++++
> common/board_f.c | 6 +-
> common/board_r.c | 2 +-
> common/cmd_bdinfo.c | 13 +-
> include/configs/microblaze-generic.h | 64 +------
> 12 files changed, 196 insertions(+), 273 deletions(-)
> delete mode 100644 arch/microblaze/lib/board.c
>
> diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk
> index 98bbf794fa7d..2b817be61a5d 100644
> --- a/arch/microblaze/config.mk
> +++ b/arch/microblaze/config.mk
> @@ -15,3 +15,8 @@ endif
> CONFIG_STANDALONE_LOAD_ADDR ?= 0x80F00000
>
> PLATFORM_CPPFLAGS += -ffixed-r31 -D__microblaze__
> +
> +ifeq ($(CONFIG_SPL_BUILD),)
> +PLATFORM_CPPFLAGS += -fPIC
> +endif
> +__HAVE_ARCH_GENERIC_BOARD := y
> diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
> index 14c2f12da06b..3de0e12090ea 100644
> --- a/arch/microblaze/cpu/start.S
> +++ b/arch/microblaze/cpu/start.S
> @@ -150,6 +150,7 @@ clear_bss:
> bnei r6, 2b
> 3: /* jumping to board_init */
> #ifndef CONFIG_SPL_BUILD
> + or r5, r0, r0 /* flags - empty */
> brai board_init_f
> #else
> addi r31, r0, CONFIG_SYS_SPL_MALLOC_END
> @@ -190,4 +191,106 @@ out16: bslli r3, r6, 8
> rtsd r15, 8
> or r0, r0, r0
> .end out16
> +
> +/*
> + * Relocate u-boot
> + */
> + .text
> + .global relocate_code
> + .ent relocate_code
> + .align 2
> +relocate_code:
> + /*
> + * r5 - start_addr_sp
> + * r6 - new_gd
> + * r7 - reloc_addr
> + */
> + addi r1, r5, 0 /* Start to use new SP */
> + addi r31, r6, 0 /* Start to use new GD */
> +
> + add r23, r0, r7 /* Move reloc addr to r23 */
> + /* Relocate text and data - r12 temp value */
> + addi r21, r0, _start
> + addi r22, r0, __end - 4 /* Include BSS too */
> +1: lwi r12, r21, 0 /* Load u-boot data */
> + swi r12, r23, 0 /* Write zero to loc */
> + addi r21, r21, 4 /* Increment to next loc - origin code */
> + cmp r12, r21, r22 /* Check if we have reach the end */
> + bneid r12, 1b
> + addi r23, r23, 4 /* Increment to next loc - relocate code */
> +
> + /* R23 points to the base address. */
> + add r23, r0, r7 /* Move reloc addr to r23 */
> + addi r24, r0, CONFIG_SYS_TEXT_BASE /* Get reloc offset */
> + rsub r23, r24, r23 /* keep - this is already here gd->reloc_off */
> +
> + addik r6, r0, 0x2 /* BIG/LITTLE endian offset */
> + lwi r7, r0, 0x28
> + swi r6, r0, 0x28 /* used first unused MB vector */
> + lbui r10, r0, 0x28 /* used first unused MB vector */
> + swi r7, r0, 0x28
> +
> +#ifdef CONFIG_SYS_USR_EXCEP
> + addik r6, r0, _exception_handler
> + addk r6, r6, r23 /* add offset */
> + sw r6, r1, r0
> + lhu r7, r1, r10
> + rsubi r8, r10, 0xa
> + sh r7, r0, r8
> + rsubi r8, r10, 0xe
> + sh r6, r0, r8
> +#endif
> + addik r6, r0, _hw_exception_handler
> + addk r6, r6, r23 /* add offset */
> + sw r6, r1, r0
> + lhu r7, r1, r10
> + rsubi r8, r10, 0x22
> + sh r7, r0, r8
> + rsubi r8, r10, 0x26
> + sh r6, r0, r8
> +
> + addik r6, r0, _interrupt_handler
> + addk r6, r6, r23 /* add offset */
> + sw r6, r1, r0
> + lhu r7, r1, r10
> + rsubi r8, r10, 0x12
> + sh r7, r0, r8
> + rsubi r8, r10, 0x16
> + sh r6, r0, r8
> +
> + /* Check if GOT exist */
> + addik r21, r23, _got_start
> + addik r22, r23, _got_end
> + cmpu r12, r21, r22
> + beqi r12, 2f /* No GOT table - jump over */
> +
> + /* Skip last 3 entries plus 1 because of loop boundary below */
> + addik r22, r22, -0x10
> +
> + /* Relocate the GOT. */
> +3: lw r12, r21, r0 /* Load entry */
> + addk r12, r12, r23 /* Add reloc offset */
> + sw r12, r21, r0 /* Save entry back */
> +
> + cmpu r12, r21, r22 /* Check if this cross boundary */
> + bneid r12, 3b
> + addik r21. r21, 4
> +
> + /* Update pointer to GOT */
> + mfs r20, rpc
> + addik r20, r20, _GLOBAL_OFFSET_TABLE_ + 8
> + addk r20, r20, r23
> +
> + /* Flush caches to ensure consistency */
> + addik r5, r0, 0
> + addik r6, r0, XILINX_DCACHE_BYTE_SIZE
> + bralid r15, flush_cache
> + nop
> +
> +2: addi r5, r31, 0 /* gd is initialized in board_r.c */
> + addi r6, r0, CONFIG_SYS_TEXT_BASE
> + addi r12, r23, board_init_r
> + bra r12 /* Jump to relocated code */
> +
> + .end relocate_code
> #endif
> diff --git a/arch/microblaze/cpu/u-boot.lds b/arch/microblaze/cpu/u-boot.lds
> index 44bc036172f0..2502a0db2b14 100644
> --- a/arch/microblaze/cpu/u-boot.lds
> +++ b/arch/microblaze/cpu/u-boot.lds
> @@ -33,10 +33,19 @@ SECTIONS
> __data_end = .;
> }
>
> + .got ALIGN(4):
> + {
> + _got_start = .;
> + *(.got*)
> + . = ALIGN(4);
> + _got_end = .;
> + }
> +
> . = ALIGN(4);
> .u_boot_list : {
> KEEP(*(SORT(.u_boot_list*)));
> }
> + __init_end = . ;
>
> .bss ALIGN(0x4):
> {
> diff --git a/arch/microblaze/include/asm/config.h b/arch/microblaze/include/asm/config.h
> index cd2973478944..468673460bfb 100644
> --- a/arch/microblaze/include/asm/config.h
> +++ b/arch/microblaze/include/asm/config.h
> @@ -7,4 +7,12 @@
> #ifndef _ASM_CONFIG_H_
> #define _ASM_CONFIG_H_
>
> +#ifndef CONFIG_SPL_BUILD
> +#define CONFIG_NEEDS_MANUAL_RELOC
> +#endif
> +
> +#define CONFIG_NR_DRAM_BANKS 1
> +#define CONFIG_SYS_GENERIC_BOARD
> +#define CONFIG_SYS_GENERIC_GLOBAL_DATA
> +
> #endif
> diff --git a/arch/microblaze/include/asm/u-boot.h b/arch/microblaze/include/asm/u-boot.h
> index 54d415ebb5bd..66f8f952c9d0 100644
> --- a/arch/microblaze/include/asm/u-boot.h
> +++ b/arch/microblaze/include/asm/u-boot.h
> @@ -16,16 +16,7 @@
> #ifndef _U_BOOT_H_
> #define _U_BOOT_H_
>
> -typedef struct bd_info {
> - unsigned long bi_memstart; /* start of DRAM memory */
> - phys_size_t bi_memsize; /* size of DRAM memory in bytes */
> - unsigned long bi_flashstart; /* start of FLASH memory */
> - unsigned long bi_flashsize; /* size of FLASH memory */
> - unsigned long bi_flashoffset; /* reserved area for startup monitor */
> - unsigned long bi_sramstart; /* start of SRAM memory */
> - unsigned long bi_sramsize; /* size of SRAM memory */
> - ulong bi_boot_params; /* where this board expects params */
> -} bd_t;
> +#include <asm-generic/u-boot.h>
>
> /* For image.h:image_check_target_arch() */
> #define IH_ARCH_DEFAULT IH_ARCH_MICROBLAZE
> diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
> index 339dd153a0fd..0289d0cd609a 100644
> --- a/arch/microblaze/lib/Makefile
> +++ b/arch/microblaze/lib/Makefile
> @@ -5,6 +5,5 @@
> # SPDX-License-Identifier: GPL-2.0+
> #
>
> -obj-y += board.o
> obj-$(CONFIG_CMD_BOOTM) += bootm.o
> obj-y += muldi3.o
> diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
> deleted file mode 100644
> index bd028a63c078..000000000000
> --- a/arch/microblaze/lib/board.c
> +++ /dev/null
> @@ -1,201 +0,0 @@
> -/*
> - * (C) Copyright 2007 Michal Simek
> - * (C) Copyright 2004 Atmark Techno, Inc.
> - *
> - * Michal SIMEK <monstr at monstr.eu>
> - * Yasushi SHOJI <yashi at atmark-techno.com>
> - *
> - * SPDX-License-Identifier: GPL-2.0+
> - */
> -
> -#include <common.h>
> -#include <command.h>
> -#include <malloc.h>
> -#include <version.h>
> -#include <watchdog.h>
> -#include <stdio_dev.h>
> -#include <serial.h>
> -#include <net.h>
> -#include <spi.h>
> -#include <linux/compiler.h>
> -#include <asm/processor.h>
> -#include <asm/microblaze_intc.h>
> -#include <fdtdec.h>
> -
> -DECLARE_GLOBAL_DATA_PTR;
> -
> -static int display_banner(void)
> -{
> - printf("\n\n%s\n\n", version_string);
> - return 0;
> -}
> -
> -/*
> - * All attempts to come up with a "common" initialization sequence
> - * that works for all boards and architectures failed: some of the
> - * requirements are just _too_ different. To get rid of the resulting
> - * mess of board dependend #ifdef'ed code we now make the whole
> - * initialization sequence configurable to the user.
> - *
> - * The requirements for any new initalization function is simple: it
> - * receives a pointer to the "global data" structure as it's only
> - * argument, and returns an integer return code, where 0 means
> - * "continue" and != 0 means "fatal error, hang the system".
> - */
> -typedef int (init_fnc_t) (void);
> -
> -init_fnc_t *init_sequence[] = {
> - env_init,
> -#ifdef CONFIG_OF_CONTROL
> - fdtdec_check_fdt,
> -#endif
> - serial_init,
> -#ifndef CONFIG_SPL_BUILD
> - console_init_f,
> -#endif
> - display_banner,
> -#ifndef CONFIG_SPL_BUILD
> - interrupt_init,
> - timer_init,
> -#endif
> - NULL,
> -};
> -
> -unsigned long monitor_flash_len;
> -
> -void board_init_f(ulong not_used)
> -{
> - bd_t *bd;
> - init_fnc_t **init_fnc_ptr;
> - gd = (gd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
> - bd = (bd_t *)(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET
> - - GENERATED_BD_INFO_SIZE);
> -#if defined(CONFIG_CMD_FLASH) && !defined(CONFIG_SPL_BUILD)
> - ulong flash_size = 0;
> -#endif
> - asm ("nop"); /* FIXME gd is not initialize - wait */
> - memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
> - memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
> - gd->bd = bd;
> - gd->baudrate = CONFIG_BAUDRATE;
> - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
> - bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
> - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
> -
> - monitor_flash_len = __end - __text_start;
> -
> -#ifdef CONFIG_OF_EMBED
> - /* Get a pointer to the FDT */
> - gd->fdt_blob = __dtb_dt_begin;
> -#elif defined CONFIG_OF_SEPARATE
> - /* FDT is at end of image */
> - gd->fdt_blob = (void *)__end;
> -#endif
> -
> -#ifndef CONFIG_SPL_BUILD
> - /* Allow the early environment to override the fdt address */
> - gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
> - (uintptr_t)gd->fdt_blob);
> -#endif
> -
> - /*
> - * The Malloc area is immediately below the monitor copy in DRAM
> - * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
> - * as our monitory code is run from SDRAM
> - */
> - mem_malloc_init(CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
> -
> - serial_initialize();
> -
> -#ifdef CONFIG_XILINX_TB_WATCHDOG
> - hw_watchdog_init();
> -#endif
> - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
> - WATCHDOG_RESET();
> - if ((*init_fnc_ptr) () != 0)
> - hang();
> - }
> -
> -#ifndef CONFIG_SPL_BUILD
> -#ifdef CONFIG_OF_CONTROL
> - /* For now, put this check after the console is ready */
> - if (fdtdec_prepare_fdt())
> - panic("** No FDT - please see doc/README.fdt-control");
> - else
> - printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
> -#endif
> -
> - puts("SDRAM :\n");
> - printf("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
> - printf("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
> - printf("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);
> -
> -#if defined(CONFIG_CMD_FLASH)
> - puts("Flash: ");
> - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
> - flash_size = flash_init();
> - if (bd->bi_flashstart && flash_size > 0) {
> -# ifdef CONFIG_SYS_FLASH_CHECKSUM
> - print_size(flash_size, "");
> - /*
> - * Compute and print flash CRC if flashchecksum is set to 'y'
> - *
> - * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
> - */
> - if (getenv_yesno("flashchecksum") == 1) {
> - printf(" CRC: %08X",
> - crc32(0, (const u8 *)bd->bi_flashstart,
> - flash_size)
> - );
> - }
> - putc('\n');
> -# else /* !CONFIG_SYS_FLASH_CHECKSUM */
> - print_size(flash_size, "\n");
> -# endif /* CONFIG_SYS_FLASH_CHECKSUM */
> - bd->bi_flashsize = flash_size;
> - bd->bi_flashoffset = bd->bi_flashstart + flash_size;
> - } else {
> - puts("Flash init FAILED");
> - bd->bi_flashstart = 0;
> - bd->bi_flashsize = 0;
> - bd->bi_flashoffset = 0;
> - }
> -#endif
> -
> -#ifdef CONFIG_SPI
> - spi_init();
> -#endif
> -
> - /* relocate environment function pointers etc. */
> - env_relocate();
> -
> - /* Initialize stdio devices */
> - stdio_init();
> -
> - /* Initialize the jump table for applications */
> - jumptable_init();
> -
> - /* Initialize the console (after the relocation and devices init) */
> - console_init_r();
> -
> - board_init();
> -
> - /* Initialize from environment */
> - load_addr = getenv_ulong("loadaddr", 16, load_addr);
> -
> -#if defined(CONFIG_CMD_NET)
> - printf("Net: ");
> - eth_initialize(gd->bd);
> -
> - uchar enetaddr[6];
> - eth_getenv_enetaddr("ethaddr", enetaddr);
> - printf("MAC: %pM\n", enetaddr);
> -#endif
> -
> - /* main_loop */
> - for (;;) {
> - WATCHDOG_RESET();
> - main_loop();
> - }
> -#endif /* CONFIG_SPL_BUILD */
> -}
> diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
> index 42a8d0c400e5..062e678eccb7 100644
> --- a/board/xilinx/microblaze-generic/microblaze-generic.c
> +++ b/board/xilinx/microblaze-generic/microblaze-generic.c
> @@ -11,16 +11,62 @@
>
> #include <common.h>
> #include <config.h>
> +#include <fdtdec.h>
> #include <netdev.h>
> #include <asm/processor.h>
> #include <asm/microblaze_intc.h>
> #include <asm/asm.h>
> #include <asm/gpio.h>
>
> +DECLARE_GLOBAL_DATA_PTR;
> +
> #ifdef CONFIG_XILINX_GPIO
> static int reset_pin = -1;
> #endif
>
> +#ifdef CONFIG_OF_CONTROL
> +ulong ram_base;
> +
> +ulong board_get_usable_ram_top(ulong total_size)
> +{
> + return ram_base + gd->ram_size;
> +}
> +
> +void dram_init_banksize(void)
> +{
> + gd->bd->bi_dram[0].start = ram_base;
> + gd->bd->bi_dram[0].size = get_effective_memsize();
> +}
> +
> +phys_size_t initdram(int board_type)
> +{
> + int node;
> + fdt_addr_t addr;
> + fdt_size_t size;
> + const void *blob = gd->fdt_blob;
> +
> + node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
> + "memory", 7);
> + if (node == -FDT_ERR_NOTFOUND) {
> + debug("DRAM: Can't get memory node\n");
> + return 0;
> + }
> + addr = fdtdec_get_addr_size(blob, node, "reg", &size);
> + if (addr == FDT_ADDR_T_NONE || size == 0) {
> + debug("DRAM: Can't get base address or size\n");
> + return 0;
> + }
> + ram_base = addr;
> +
> + return size;
> +};
> +#else
> +phys_size_t initdram(int board_type)
> +{
> + return CONFIG_SYS_SDRAM_SIZE;
> +}
> +#endif
> +
> int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> {
> #ifdef CONFIG_XILINX_GPIO
> diff --git a/common/board_f.c b/common/board_f.c
> index 3a4b32c29dc1..64b40aebb508 100644
> --- a/common/board_f.c
> +++ b/common/board_f.c
> @@ -174,7 +174,7 @@ static int announce_dram_init(void)
> return 0;
> }
>
> -#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
> +#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
> static int init_func_ram(void)
> {
Can you use dram_init() instead?
> #ifdef CONFIG_BOARD_TYPES
> @@ -262,7 +262,7 @@ static int zero_global_data(void)
>
> static int setup_mon_len(void)
> {
> -#ifdef __ARM__
> +#if defined(__ARM__) || defined(__MICROBLAZE__)
> gd->mon_len = (ulong)&__bss_end - (ulong)_start;
> #elif defined(CONFIG_SANDBOX)
> gd->mon_len = (ulong)&_end - (ulong)_init;
> @@ -906,7 +906,7 @@ static init_fnc_t init_sequence_f[] = {
> #if defined(CONFIG_ARM) || defined(CONFIG_X86)
> dram_init, /* configure available RAM banks */
> #endif
> -#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
> +#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE)
> init_func_ram,
> #endif
> #ifdef CONFIG_POST
> diff --git a/common/board_r.c b/common/board_r.c
> index e712902cff45..3e77720f2acb 100644
> --- a/common/board_r.c
> +++ b/common/board_r.c
> @@ -829,7 +829,7 @@ init_fnc_t init_sequence_r[] = {
> #if defined(CONFIG_ARM)
> initr_enable_interrupts,
> #endif
> -#ifdef CONFIG_X86
> +#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE)
> timer_init, /* initialize timer */
> #endif
Could you use interrupt_init() immediately before?
> #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
> diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
> index e6d8a7ae2c50..4c51059c1ba4 100644
> --- a/common/cmd_bdinfo.c
> +++ b/common/cmd_bdinfo.c
> @@ -183,8 +183,14 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> {
> bd_t *bd = gd->bd;
> - print_num("mem start ", (ulong)bd->bi_memstart);
> - print_lnum("mem size ", (u64)bd->bi_memsize);
> + int i;
> +
> + for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
> + print_num("DRAM bank", i);
> + print_num("-> start", bd->bi_dram[i].start);
> + print_num("-> size", bd->bi_dram[i].size);
> + }
> +
> print_num("flash start ", (ulong)bd->bi_flashstart);
> print_num("flash size ", (ulong)bd->bi_flashsize);
> print_num("flash offset ", (ulong)bd->bi_flashoffset);
> @@ -196,6 +202,9 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> print_eths();
> #endif
> printf("baudrate = %u bps\n", gd->baudrate);
> + print_num("relocaddr", gd->relocaddr);
> + print_num("reloc off", gd->reloc_off);
> +
> return 0;
> }
>
> diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
> index 2e1e64247fe0..622bc951045b 100644
> --- a/include/configs/microblaze-generic.h
> +++ b/include/configs/microblaze-generic.h
> @@ -106,62 +106,16 @@
> # define CONFIG_XILINX_TB_WATCHDOG
> #endif
>
> -/*
> - * memory layout - Example
> - * CONFIG_SYS_TEXT_BASE = 0x1200_0000; defined in config.mk
> - * CONFIG_SYS_SRAM_BASE = 0x1000_0000;
> - * CONFIG_SYS_SRAM_SIZE = 0x0400_0000; 64MB
> - *
> - * CONFIG_SYS_MONITOR_LEN = 0x40000
> - * CONFIG_SYS_MALLOC_LEN = 3 * CONFIG_SYS_MONITOR_LEN = 0xC0000
> - *
> - * CONFIG_SYS_GBL_DATA_OFFSET = 0x1000_0000 + 0x0400_0000 - 0x1000 = 0x13FF_F000
> - * CONFIG_SYS_MONITOR_BASE = 0x13FF_F000 - CONFIG_SYS_MONITOR_LEN = 0x13FB_F000
> - * CONFIG_SYS_MALLOC_BASE = 0x13FB_F000 - CONFIG_SYS_MALLOC_LEN = 0x13EF_F000
> - *
> - * 0x1000_0000 CONFIG_SYS_SDRAM_BASE
> - * MEMTEST_AREA 64kB
> - * FREE
> - * 0x1200_0000 CONFIG_SYS_TEXT_BASE
> - * U-BOOT code
> - * 0x1202_0000
> - * FREE
> - *
> - * STACK
> - * 0x13EF_F000 CONFIG_SYS_MALLOC_BASE
> - * MALLOC_AREA 768kB Alloc
> - * 0x13FB_F000 CONFIG_SYS_MONITOR_BASE
> - * MONITOR_CODE 256kB Env
> - * 0x13FF_F000 CONFIG_SYS_GBL_DATA_OFFSET
> - * GLOBAL_DATA 4kB bd, gd
> - * 0x1400_0000 CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE
> - */
> -
> +#ifndef CONFIG_OF_CONTROL
> /* ddr sdram - main memory */
> -#define CONFIG_SYS_SDRAM_BASE XILINX_RAM_START
> -#define CONFIG_SYS_SDRAM_SIZE XILINX_RAM_SIZE
> -#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
> -#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x1000)
> -
> -/* global pointer */
> -/* start of global data */
> -#define CONFIG_SYS_GBL_DATA_OFFSET \
> - (CONFIG_SYS_SDRAM_SIZE - GENERATED_GBL_DATA_SIZE)
> -
> -/* monitor code */
> -#define SIZE 0x40000
> -#define CONFIG_SYS_MONITOR_LEN SIZE
> -#define CONFIG_SYS_MONITOR_BASE \
> - (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \
> - - CONFIG_SYS_MONITOR_LEN - GENERATED_BD_INFO_SIZE)
> -#define CONFIG_SYS_MONITOR_END \
> - (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
> -#define CONFIG_SYS_MALLOC_LEN (SIZE * 3)
> -#define CONFIG_SYS_MALLOC_BASE \
> - (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
> -
> -/* stack */
> -#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_MALLOC_BASE
> +# define CONFIG_SYS_SDRAM_BASE XILINX_RAM_START
> +# define CONFIG_SYS_SDRAM_SIZE XILINX_RAM_SIZE
> +#endif
> +
> +#define CONFIG_SYS_MALLOC_LEN 0xC0000
> +
> +/* Stack location before relocation */
> +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_TEXT_BASE
>
> /*
> * CFI flash memory layout - Example
> --
> 1.8.2.3
>
Regards,
Simon
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