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-rw-r--r--arch/m68k/cpu/mcf530x/Makefile9
-rw-r--r--arch/m68k/cpu/mcf530x/config.mk12
-rw-r--r--arch/m68k/cpu/mcf530x/cpu.c36
-rw-r--r--arch/m68k/cpu/mcf530x/cpu_init.c160
-rw-r--r--arch/m68k/cpu/mcf530x/interrupts.c29
-rw-r--r--arch/m68k/cpu/mcf530x/speed.c23
-rw-r--r--arch/m68k/cpu/mcf530x/start.S257
7 files changed, 526 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf530x/Makefile b/arch/m68k/cpu/mcf530x/Makefile
new file mode 100644
index 0000000000..9492bde816
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+extra-y = start.o
+obj-y = interrupts.o cpu.o speed.o cpu_init.o
+
diff --git a/arch/m68k/cpu/mcf530x/config.mk b/arch/m68k/cpu/mcf530x/config.mk
new file mode 100644
index 0000000000..aef72d70c5
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/config.mk
@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+cfg=$(srctree)/include/configs/$(CONFIG_SYS_CONFIG_NAME:"%"=%).h
+is5307:=$(shell grep CONFIG_M5307 $(cfg))
+
+ifneq (,$(findstring CONFIG_M5307,$(is5307)))
+PLATFORM_CPPFLAGS += -mcpu=5307
+endif
diff --git a/arch/m68k/cpu/mcf530x/cpu.c b/arch/m68k/cpu/mcf530x/cpu.c
new file mode 100644
index 0000000000..78f438548b
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/cpu.c
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_M5307
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ sim_t *sim = (sim_t *)(MMAP_SIM);
+
+ /* enable watchdog/reset, set timeout to 0 and wait */
+ out_8(&sim->sypcr, SYPCR_SWE | SYPCR_SWRI);
+
+ /* wait for watchdog reset */
+ for (;;)
+ ;
+
+ /* we don't return! */
+ return 0;
+}
+
+int checkcpu(void)
+{
+ char buf[32];
+
+ printf("CPU: Freescale Coldfire MCF5307 at %s MHz\n",
+ strmhz(buf, CONFIG_SYS_CPU_CLK));
+ return 0;
+}
+#endif
diff --git a/arch/m68k/cpu/mcf530x/cpu_init.c b/arch/m68k/cpu/mcf530x/cpu_init.c
new file mode 100644
index 0000000000..80dc23910e
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/cpu_init.c
@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_M5307)
+/*
+ * Simple mcf5307 chip select module init.
+ *
+ * Note: this chip has an issue reported in the device "errata":
+ * MCF5307ER Rev 4.2 reports @ section 35:
+ * Corrupted Return PC in Exception Stack Frame
+ * When processing an autovectored interrupt an error can occur that
+ * causes 0xFFFFFFFF to be written as the return PC value in the
+ * exception stack frame. The problem is caused by a conflict between
+ * an internal autovector access and a chip select mapped to the IACK
+ * address space (0xFFFFXXXX).
+ * Workaround:
+ * Set the C/I bit in the chip select mask register (CSMR) for the
+ * chip select that is mapped to 0xFFFFXXXX.
+ * This will prevent the chip select from asserting for IACK accesses.
+ */
+
+#define MCF5307_SP_ERR_FIX(cs_base, mask) \
+ do { \
+ if (((cs_base<<16)+(in_be32(&mask)&0xffff0000)) >= \
+ 0xffff0000) \
+ setbits_be32(&mask, CSMR_CI); \
+ } while (0)
+
+void init_csm(void)
+{
+ csm_t *csm = (csm_t *)(MMAP_CSM);
+
+#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && \
+ defined(CONFIG_SYS_CS0_CTRL))
+ out_be16(&csm->csar0, CONFIG_SYS_CS0_BASE);
+ out_be32(&csm->csmr0, CONFIG_SYS_CS0_MASK);
+ out_be16(&csm->cscr0, CONFIG_SYS_CS0_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS0_BASE, csm->csmr0);
+#else
+#warning "Chip Select 0 are not initialized/used"
+#endif
+#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && \
+ defined(CONFIG_SYS_CS1_CTRL))
+ out_be16(&csm->csar1, CONFIG_SYS_CS1_BASE);
+ out_be32(&csm->csmr1, CONFIG_SYS_CS1_MASK);
+ out_be16(&csm->cscr1, CONFIG_SYS_CS1_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS1_BASE, csm->csmr1);
+#endif
+#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && \
+ defined(CONFIG_SYS_CS2_CTRL))
+ out_be16(&csm->csar2, CONFIG_SYS_CS2_BASE);
+ out_be32(&csm->csmr2, CONFIG_SYS_CS2_MASK);
+ out_be16(&csm->cscr2, CONFIG_SYS_CS2_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS2_BASE, csm->csmr2);
+#endif
+#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && \
+ defined(CONFIG_SYS_CS3_CTRL))
+ out_be16(&csm->csar3, CONFIG_SYS_CS3_BASE);
+ out_be32(&csm->csmr3, CONFIG_SYS_CS3_MASK);
+ out_be16(&csm->cscr3, CONFIG_SYS_CS3_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS3_BASE, csm->csmr3);
+#endif
+#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && \
+ defined(CONFIG_SYS_CS4_CTRL))
+ out_be16(&csm->csar4, CONFIG_SYS_CS4_BASE);
+ out_be32(&csm->csmr4, CONFIG_SYS_CS4_MASK);
+ out_be16(&csm->cscr4, CONFIG_SYS_CS4_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS4_BASE, csm->csmr4);
+#endif
+#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && \
+ defined(CONFIG_SYS_CS5_CTRL))
+ out_be16(&csm->csar5, CONFIG_SYS_CS5_BASE);
+ out_be32(&csm->csmr5, CONFIG_SYS_CS5_MASK);
+ out_be16(&csm->cscr5, CONFIG_SYS_CS5_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS5_BASE, csm->csmr5);
+#endif
+#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) && \
+ defined(CONFIG_SYS_CS6_CTRL))
+ out_be16(&csm->csar6, CONFIG_SYS_CS6_BASE);
+ out_be32(&csm->csmr6, CONFIG_SYS_CS6_MASK);
+ out_be16(&csm->cscr6, CONFIG_SYS_CS6_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS6_BASE, csm->csmr6);
+#endif
+#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) && \
+ defined(CONFIG_SYS_CS7_CTRL))
+ out_be16(&csm->csar7, CONFIG_SYS_CS7_BASE);
+ out_be32(&csm->csmr7, CONFIG_SYS_CS7_MASK);
+ out_be16(&csm->cscr7, CONFIG_SYS_CS7_CTRL);
+ MCF5307_SP_ERR_FIX(CONFIG_SYS_CS7_BASE, csm->csmr7);
+#endif
+}
+
+/*
+ * Set up the memory map and initialize registers
+ */
+void cpu_init_f(void)
+{
+ sim_t *sim = (sim_t *)(MMAP_SIM);
+
+ out_8(&sim->sypcr, 0x00);
+ out_8(&sim->swivr, 0x0f);
+ out_8(&sim->swsr, 0x00);
+ out_8(&sim->mpark, 0x00);
+
+ intctrl_t *icr = (intctrl_t *)(MMAP_INTC);
+
+ /* timer 2 not masked */
+ out_be32(&icr->imr, 0xfffffbff);
+
+ out_8(&icr->icr0, 0x00); /* sw watchdog */
+ out_8(&icr->icr1, 0x00); /* timer 1 */
+ out_8(&icr->icr2, 0x88); /* timer 2 */
+ out_8(&icr->icr3, 0x00); /* i2c */
+ out_8(&icr->icr4, 0x00); /* uart 0 */
+ out_8(&icr->icr5, 0x00); /* uart 1 */
+ out_8(&icr->icr6, 0x00); /* dma 0 */
+ out_8(&icr->icr7, 0x00); /* dma 1 */
+ out_8(&icr->icr8, 0x00); /* dma 2 */
+ out_8(&icr->icr9, 0x00); /* dma 3 */
+
+ /* Chipselect Init */
+ init_csm();
+
+ /* enable data/instruction cache now */
+ icache_enable();
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r(void)
+{
+ return 0;
+}
+
+void uart_port_conf(void)
+{
+}
+
+void arch_preboot_os(void)
+{
+ /*
+ * OS can change interrupt offsets and are about to boot the OS so
+ * we need to make sure we disable all async interrupts.
+ */
+ intctrl_t *icr = (intctrl_t *)(MMAP_INTC);
+
+ out_8(&icr->icr1, 0x00); /* timer 1 */
+ out_8(&icr->icr2, 0x00); /* timer 2 */
+}
+#endif
diff --git a/arch/m68k/cpu/mcf530x/interrupts.c b/arch/m68k/cpu/mcf530x/interrupts.c
new file mode 100644
index 0000000000..bf4038dff8
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/interrupts.c
@@ -0,0 +1,29 @@
+/*
+ * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_M5307
+int interrupt_init(void)
+{
+ enable_interrupts();
+
+ return 0;
+}
+
+void dtimer_intr_setup(void)
+{
+ intctrl_t *icr = (intctrl_t *)(MMAP_INTC);
+
+ /* clearing TIMER2 mask, so enabling the related interrupt */
+ out_be32(&icr->imr, in_be32(&icr->imr) & ~0x00000400);
+ /* set TIMER2 interrupt priority */
+ out_8(&icr->icr2, CONFIG_SYS_TMRINTR_PRI);
+}
+#endif
diff --git a/arch/m68k/cpu/mcf530x/speed.c b/arch/m68k/cpu/mcf530x/speed.c
new file mode 100644
index 0000000000..3cf1986fc9
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/speed.c
@@ -0,0 +1,23 @@
+/*
+ * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */
+int get_clocks(void)
+{
+#if defined(CONFIG_M5307)
+ gd->bus_clk = CONFIG_SYS_CLK;
+ gd->cpu_clk = CONFIG_SYS_CPU_CLK;
+#endif
+
+ return 0;
+}
diff --git a/arch/m68k/cpu/mcf530x/start.S b/arch/m68k/cpu/mcf530x/start.S
new file mode 100644
index 0000000000..097958afda
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/start.S
@@ -0,0 +1,257 @@
+/*
+ * (C) Copyright 2015 Angelo Dureghello <angelo@sysam.it>
+ * Based on code from Bernhard Kuhn <bkuhn@metrowerks.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include "version.h"
+#include <asm/cache.h>
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING ""
+#endif
+
+#define _START _start
+#define _FAULT _fault
+
+
+.macro SAVE_ALL
+ move.w #0x2700,%sr; /* disable intrs */
+ subl #60,%sp; /* space for 15 regs */
+ moveml %d0-%d7/%a0-%a6,%sp@
+.endm
+
+.macro RESTORE_ALL
+ moveml %sp@,%d0-%d7/%a0-%a6;
+ addl #60,%sp; /* space for 15 regs */
+ rte
+.endm
+
+/* If we come from a pre-loader we don't need an initial exception
+ * table.
+ */
+#if !defined(CONFIG_MONITOR_IS_IN_RAM)
+
+.text
+/*
+ * Vector table. This is used for initial platform startup.
+ * These vectors are to catch any un-intended traps.
+ */
+_vectors:
+
+/* Flash offset is 0 until we setup CS0 */
+.long 0x00000000
+#if defined(CONFIG_M5307) && \
+ (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
+.long _start - CONFIG_SYS_TEXT_BASE
+#else
+.long _START
+#endif
+
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
+
+#endif
+
+ .text
+ .globl _start
+_start:
+ nop
+ nop
+ move.w #0x2700,%sr
+
+ /* set MBAR address + valid flag */
+ move.l #(CONFIG_SYS_MBAR + 1), %d0
+ move.c %d0, %MBAR
+
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + 1), %d0
+ move.c %d0, %RAMBAR
+
+ /* DS 4.8.2 (Cache Organization) invalidate and disable cache */
+ move.l #CF_CACR_CINVA, %d0
+ movec %d0, %CACR
+ move.l #0, %d0
+ movec %d0, %ACR0
+ movec %d0, %ACR1
+
+ /*
+ * if we come from a pre-loader we have no exception table and
+ * therefore no VBR to set
+ */
+#if !defined(CONFIG_MONITOR_IS_IN_RAM)
+ move.l #CONFIG_SYS_FLASH_BASE, %d0
+ movec %d0, %VBR
+#endif
+
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* dcache */
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+
+ /*
+ * set stackpointer to internal sram end - 80
+ * (global data struct size + some bytes)
+ * get some stackspace for the first c-code,
+ */
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
+ clr.l %sp@-
+
+ /* put relocation table address to a5 */
+ move.l #__got_start, %a5
+
+ /* run low-level CPU init code (from flash) */
+ bsr cpu_init_f
+
+ /* run low-level board init code (from flash) */
+ bsr board_init_f
+
+ /* board_init_f() does not return */
+
+/*--------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ */
+ .globl relocate_code
+relocate_code:
+ link.w %a6,#0
+ move.l 8(%a6), %sp /* set new stack pointer */
+ move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
+ move.l 16(%a6), %a0 /* Save copy of Destination Address */
+
+ move.l #CONFIG_SYS_MONITOR_BASE, %a1
+ move.l #__init_end, %a2
+ move.l %a0, %a3
+ /* copy the code to RAM */
+1:
+ move.l (%a1)+, (%a3)+
+ cmp.l %a1,%a2
+ bgt.s 1b
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+ move.l %a0, %a1
+ add.l #(in_ram - CONFIG_SYS_MONITOR_BASE), %a1
+ jmp (%a1)
+
+in_ram:
+
+clear_bss:
+ /*
+ * Now clear BSS segment
+ */
+ move.l %a0, %a1
+ add.l #(_sbss - CONFIG_SYS_MONITOR_BASE), %a1
+ move.l %a0, %d1
+ add.l #(_ebss - CONFIG_SYS_MONITOR_BASE), %d1
+6:
+ clr.l (%a1)+
+ cmp.l %a1,%d1
+ bgt.s 6b
+
+ /*
+ * fix got table in RAM
+ */
+ move.l %a0, %a1
+ add.l #(__got_start - CONFIG_SYS_MONITOR_BASE), %a1
+ /* * fix got pointer register a5 */
+ move.l %a1,%a5
+
+ move.l %a0, %a2
+ add.l #(__got_end - CONFIG_SYS_MONITOR_BASE), %a2
+
+7:
+ move.l (%a1),%d1
+ sub.l #_start, %d1
+ add.l %a0,%d1
+ move.l %d1,(%a1)+
+ cmp.l %a2, %a1
+ bne 7b
+
+ /* calculate relative jump to board_init_r in ram */
+ move.l %a0, %a1
+ add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
+
+ /* set parameters for board_init_r */
+ move.l %a0,-(%sp) /* dest_addr */
+ move.l %d0,-(%sp) /* gd */
+#if defined(DEBUG) && (CONFIG_SYS_TEXT_BASE!=CONFIG_SYS_INT_FLASH_BASE) && \
+ defined(CONFIG_SYS_HALT_BEFOR_RAM_JUMP)
+ halt
+#endif
+ jsr (%a1)
+
+/*--------------------------------------------------------------------------*/
+/* exception code */
+ .globl _fault
+_fault:
+ bra _fault
+
+ .globl _exc_handler
+_exc_handler:
+ SAVE_ALL
+ movel %sp,%sp@-
+ bsr exc_handler
+ addql #4,%sp
+ RESTORE_ALL
+
+ .globl _int_handler
+_int_handler:
+ SAVE_ALL
+ movel %sp,%sp@-
+ bsr int_handler
+ addql #4,%sp
+ RESTORE_ALL
+
+/*--------------------------------------------------------------------------*/
+
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"
+ .align 4
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