Merge branch 'microblaze' of git://git.denx.de/u-boot-microblaze
diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h
index f97f3dd..414042d 100644
--- a/arch/arm/include/asm/u-boot-arm.h
+++ b/arch/arm/include/asm/u-boot-arm.h
@@ -36,7 +36,6 @@
/* board/.../... */
int board_init(void);
-int dram_init (void);
void dram_init_banksize (void);
/* cpu/.../interrupt.c */
diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk
index 98bbf79..2b817be 100644
--- a/arch/microblaze/config.mk
+++ b/arch/microblaze/config.mk
@@ -15,3 +15,8 @@
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/exception.c b/arch/microblaze/cpu/exception.c
index 227842f..aa34f45 100644
--- a/arch/microblaze/cpu/exception.c
+++ b/arch/microblaze/cpu/exception.c
@@ -13,49 +13,52 @@
{
int address = 0;
int state = 0;
+
/* loading address of exception EAR */
- MFS (address, rear);
+ MFS(address, rear);
/* loading excetpion state register ESR */
- MFS (state, resr);
- printf ("Hardware exception at 0x%x address\n", address);
+ MFS(state, resr);
+ printf("Hardware exception at 0x%x address\n", address);
+ R17(address);
+ printf("Return address from exception 0x%x\n", address);
switch (state & 0x1f) { /* mask on exception cause */
case 0x1:
- puts ("Unaligned data access exception\n");
+ puts("Unaligned data access exception\n");
break;
case 0x2:
- puts ("Illegal op-code exception\n");
+ puts("Illegal op-code exception\n");
break;
case 0x3:
- puts ("Instruction bus error exception\n");
+ puts("Instruction bus error exception\n");
break;
case 0x4:
- puts ("Data bus error exception\n");
+ puts("Data bus error exception\n");
break;
case 0x5:
- puts ("Divide by zero exception\n");
+ puts("Divide by zero exception\n");
break;
#ifdef MICROBLAZE_V5
case 0x7:
puts("Priviledged or stack protection violation exception\n");
break;
case 0x1000:
- puts ("Exception in delay slot\n");
+ puts("Exception in delay slot\n");
break;
#endif
default:
- puts ("Undefined cause\n");
+ puts("Undefined cause\n");
break;
}
- printf ("Unaligned %sword access\n", ((state & 0x800) ? "" : "half"));
- printf ("Unaligned %s access\n", ((state & 0x400) ? "store" : "load"));
- printf ("Register R%x\n", (state & 0x3E) >> 5);
- hang ();
+ printf("Unaligned %sword access\n", ((state & 0x800) ? "" : "half"));
+ printf("Unaligned %s access\n", ((state & 0x400) ? "store" : "load"));
+ printf("Register R%x\n", (state & 0x3E) >> 5);
+ hang();
}
#ifdef CONFIG_SYS_USR_EXCEP
void _exception_handler (void)
{
- puts ("User vector_exception\n");
- hang ();
+ puts("User vector_exception\n");
+ hang();
}
#endif
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index 9364e2f..b6d6610 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -14,10 +14,9 @@
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
-#undef DEBUG_INT
-
void enable_interrupts(void)
{
+ debug("Enable interrupts for the whole CPU\n");
MSRSET(0x2);
}
@@ -50,12 +49,11 @@
offset <<= irq;
mask = intc->ier;
intc->ier = (mask | offset);
-#ifdef DEBUG_INT
- printf("Enable one interrupt irq %x - mask %x,ier %x\n", offset, mask,
- intc->ier);
- printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
- intc->iar, intc->mer);
-#endif
+
+ debug("Enable one interrupt irq %x - mask %x,ier %x\n", offset, mask,
+ intc->ier);
+ debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
+ intc->iar, intc->mer);
}
static void disable_one_interrupt(int irq)
@@ -66,12 +64,11 @@
offset <<= irq;
mask = intc->ier;
intc->ier = (mask & ~offset);
-#ifdef DEBUG_INT
- printf("Disable one interrupt irq %x - mask %x,ier %x\n", irq, mask,
- intc->ier);
- printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
- intc->iar, intc->mer);
-#endif
+
+ debug("Disable one interrupt irq %x - mask %x,ier %x\n", irq, mask,
+ intc->ier);
+ debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
+ intc->iar, intc->mer);
}
int install_interrupt_handler(int irq, interrupt_handler_t *hdlr, void *arg)
@@ -88,12 +85,12 @@
act->handler = hdlr;
act->arg = arg;
act->count = 0;
- enable_one_interrupt (irq);
+ enable_one_interrupt(irq);
return 0;
}
/* Disable */
- act->handler = (interrupt_handler_t *) def_hdlr;
+ act->handler = (interrupt_handler_t *)def_hdlr;
act->arg = (void *)irq;
disable_one_interrupt(irq);
return 1;
@@ -107,18 +104,17 @@
intc->iar = 0xFFFFFFFF;
/* XIntc_Start - hw_interrupt enable and all interrupt enable */
intc->mer = 0x3;
-#ifdef DEBUG_INT
- printf("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
- intc->iar, intc->mer);
-#endif
+
+ debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
+ intc->iar, intc->mer);
}
-int interrupts_init(void)
+int interrupt_init(void)
{
int i;
#if defined(CONFIG_SYS_INTC_0_ADDR) && defined(CONFIG_SYS_INTC_0_NUM)
- intc = (microblaze_intc_t *) (CONFIG_SYS_INTC_0_ADDR);
+ intc = (microblaze_intc_t *)CONFIG_SYS_INTC_0_ADDR;
irq_no = CONFIG_SYS_INTC_0_NUM;
#endif
if (irq_no) {
@@ -130,7 +126,7 @@
/* initialize irq list */
for (i = 0; i < irq_no; i++) {
- vecs[i].handler = (interrupt_handler_t *) def_hdlr;
+ vecs[i].handler = (interrupt_handler_t *)def_hdlr;
vecs[i].arg = (void *)i;
vecs[i].count = 0;
}
@@ -147,31 +143,29 @@
{
int irqs = intc->ivr; /* find active interrupt */
int mask = 1;
-#ifdef DEBUG_INT
int value;
- printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
- intc->iar, intc->mer);
- R14(value);
- printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
-#endif
struct irq_action *act = vecs + irqs;
-#ifdef DEBUG_INT
- printf
- ("Jumping to interrupt handler rutine addr %x,count %x,arg %x\n",
- act->handler, act->count, act->arg);
+ debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
+ intc->iar, intc->mer);
+#ifdef DEBUG
+ R14(value);
#endif
- act->handler (act->arg);
+ debug("Interrupt handler on %x line, r14 %x\n", irqs, value);
+
+ debug("Jumping to interrupt handler rutine addr %x,count %x,arg %x\n",
+ (u32)act->handler, act->count, (u32)act->arg);
+ act->handler(act->arg);
act->count++;
intc->iar = mask << irqs;
-#ifdef DEBUG_INT
- printf ("Dump INTC reg, isr %x, ier %x, iar %x, mer %x\n", intc->isr,
- intc->ier, intc->iar, intc->mer);
+ debug("Dump INTC reg, isr %x, ier %x, iar %x, mer %x\n", intc->isr,
+ intc->ier, intc->iar, intc->mer);
+#ifdef DEBUG
R14(value);
- printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
#endif
+ debug("Interrupt handler on %x line, r14 %x\n", irqs, value);
}
#if defined(CONFIG_CMD_IRQ)
@@ -186,10 +180,10 @@
"-----------------------------\n");
for (i = 0; i < irq_no; i++) {
- if (act->handler != (interrupt_handler_t *) def_hdlr) {
+ if (act->handler != (interrupt_handler_t *)def_hdlr) {
printf("%02d %08x %08x %d\n", i,
- (int)act->handler, (int)act->arg,
- act->count);
+ (int)act->handler, (int)act->arg,
+ act->count);
}
act++;
}
diff --git a/arch/microblaze/cpu/irq.S b/arch/microblaze/cpu/irq.S
index 2401589..5cfe151 100644
--- a/arch/microblaze/cpu/irq.S
+++ b/arch/microblaze/cpu/irq.S
@@ -11,71 +11,70 @@
.text
.global _interrupt_handler
_interrupt_handler:
- swi r2, r1, -4
- swi r3, r1, -8
- swi r4, r1, -12
- swi r5, r1, -16
- swi r6, r1, -20
- swi r7, r1, -24
- swi r8, r1, -28
- swi r9, r1, -32
- swi r10, r1, -36
- swi r11, r1, -40
- swi r12, r1, -44
- swi r13, r1, -48
- swi r14, r1, -52
- swi r15, r1, -56
- swi r16, r1, -60
- swi r17, r1, -64
- swi r18, r1, -68
- swi r19, r1, -72
- swi r20, r1, -76
- swi r21, r1, -80
- swi r22, r1, -84
- swi r23, r1, -88
- swi r24, r1, -92
- swi r25, r1, -96
- swi r26, r1, -100
- swi r27, r1, -104
- swi r28, r1, -108
- swi r29, r1, -112
- swi r30, r1, -116
- swi r31, r1, -120
addik r1, r1, -124
+ swi r2, r1, 4
+ swi r3, r1, 8
+ swi r4, r1, 12
+ swi r5, r1, 16
+ swi r6, r1, 20
+ swi r7, r1, 24
+ swi r8, r1, 28
+ swi r9, r1, 32
+ swi r10, r1, 36
+ swi r11, r1, 40
+ swi r12, r1, 44
+ swi r13, r1, 48
+ swi r14, r1, 52
+ swi r15, r1, 56
+ swi r16, r1, 60
+ swi r17, r1, 64
+ swi r18, r1, 68
+ swi r19, r1, 72
+ swi r20, r1, 76
+ swi r21, r1, 80
+ swi r22, r1, 84
+ swi r23, r1, 88
+ swi r24, r1, 92
+ swi r25, r1, 96
+ swi r26, r1, 100
+ swi r27, r1, 104
+ swi r28, r1, 108
+ swi r29, r1, 112
+ swi r30, r1, 116
+ swi r31, r1, 120
brlid r15, interrupt_handler
nop
+ lwi r31, r1, 120
+ lwi r30, r1, 116
+ lwi r29, r1, 112
+ lwi r28, r1, 108
+ lwi r27, r1, 104
+ lwi r26, r1, 100
+ lwi r25, r1, 96
+ lwi r24, r1, 92
+ lwi r23, r1, 88
+ lwi r22, r1, 84
+ lwi r21, r1, 80
+ lwi r20, r1, 76
+ lwi r19, r1, 72
+ lwi r18, r1, 68
+ lwi r17, r1, 64
+ lwi r16, r1, 60
+ lwi r15, r1, 56
+ lwi r14, r1, 52
+ lwi r13, r1, 48
+ lwi r12, r1, 44
+ lwi r11, r1, 40
+ lwi r10, r1, 36
+ lwi r9, r1, 32
+ lwi r8, r1, 28
+ lwi r7, r1, 24
+ lwi r6, r1, 20
+ lwi r5, r1, 16
+ lwi r4, r1, 12
+ lwi r3, r1, 8
+ lwi r2, r1, 4
addik r1, r1, 124
- lwi r31, r1, -120
- lwi r30, r1, -116
- lwi r29, r1, -112
- lwi r28, r1, -108
- lwi r27, r1, -104
- lwi r26, r1, -100
- lwi r25, r1, -96
- lwi r24, r1, -92
- lwi r23, r1, -88
- lwi r22, r1, -84
- lwi r21, r1, -80
- lwi r20, r1, -76
- lwi r19, r1, -72
- lwi r18, r1, -68
- lwi r17, r1, -64
- lwi r16, r1, -60
- lwi r15, r1, -56
- lwi r14, r1, -52
- lwi r13, r1, -48
- lwi r12, r1, -44
- lwi r11, r1, -40
- lwi r10, r1, -36
- lwi r9, r1, -32
- lwi r8, r1, -28
- lwi r7, r1, -24
- lwi r6, r1, -20
- lwi r5, r1, -16
- lwi r4, r1, -12
- lwi r3, r1, -8
- lwi r2, r1, -4
-
rtid r14, 0
nop
.size _interrupt_handler,.-_interrupt_handler
diff --git a/arch/microblaze/cpu/spl.c b/arch/microblaze/cpu/spl.c
index 0912261..2cc0a2d 100644
--- a/arch/microblaze/cpu/spl.c
+++ b/arch/microblaze/cpu/spl.c
@@ -25,8 +25,6 @@
/* Board initialization after bss clearance */
void spl_board_init(void)
{
- gd = (gd_t *)CONFIG_SPL_STACK_ADDR;
-
/* enable console uart printing */
preloader_console_init();
}
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 84c29e5..953d3a1 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -30,7 +30,11 @@
mts rshr, r1
addi r1, r1, -4 /* Decrement SP to top of memory */
#else
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+ addi r1, r0, CONFIG_SYS_INIT_SP_OFFSET - CONFIG_SYS_MALLOC_F_LEN
+#else
addi r1, r0, CONFIG_SYS_INIT_SP_OFFSET
+#endif
mts rshr, r1
addi r1, r1, -4 /* Decrement SP to top of memory */
@@ -129,7 +133,7 @@
/* Flush cache before enable cache */
addik r5, r0, 0
addik r6, r0, XILINX_DCACHE_BYTE_SIZE
-flush: bralid r15, flush_cache
+ bralid r15, flush_cache
nop
/* enable instruction and data cache */
@@ -150,12 +154,28 @@
bnei r6, 2b
3: /* jumping to board_init */
#ifndef CONFIG_SPL_BUILD
+ or r5, r0, r0 /* flags - empty */
+ addi r31, r0, _gd
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+ addi r6, r0, CONFIG_SYS_INIT_SP_OFFSET
+ swi r6, r31, GD_MALLOC_BASE
+#endif
brai board_init_f
#else
+ addi r31, r0, _gd
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+ addi r6, r0, CONFIG_SPL_STACK_ADDR
+ swi r6, r31, GD_MALLOC_BASE
+#endif
brai board_init_r
#endif
1: bri 1b
+ .section .bss
+.align 4
+_gd:
+ .space GENERATED_GBL_DATA_SIZE
+
#ifndef CONFIG_SPL_BUILD
/*
* Read 16bit little endian
@@ -189,4 +209,108 @@
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 */
+
+ rsub r6, r21, r22
+ or r5, r0, r0
+1: lw r12, r21, r5 /* Load u-boot data */
+ sw r12, r23, r5 /* Write zero to loc */
+ cmp r12, r5, r6 /* Check if we have reach the end */
+ bneid r12, 1b
+ addi r5, r5, 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-spl.lds b/arch/microblaze/cpu/u-boot-spl.lds
index 96353cd..c60336c 100644
--- a/arch/microblaze/cpu/u-boot-spl.lds
+++ b/arch/microblaze/cpu/u-boot-spl.lds
@@ -37,6 +37,12 @@
__data_end = .;
}
+ . = ALIGN(4);
+ .u_boot_list : {
+ KEEP(*(SORT(.u_boot_list*)));
+ }
+ __init_end = . ;
+
.bss ALIGN(0x4):
{
__bss_start = .;
diff --git a/arch/microblaze/cpu/u-boot.lds b/arch/microblaze/cpu/u-boot.lds
index fdad207..2502a0d 100644
--- a/arch/microblaze/cpu/u-boot.lds
+++ b/arch/microblaze/cpu/u-boot.lds
@@ -29,17 +29,23 @@
.data ALIGN(0x4):
{
__data_start = .;
-#ifdef CONFIG_OF_EMBED
- dts/built-in.o (.data)
-#endif
*(.data)
__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/asm.h b/arch/microblaze/include/asm/asm.h
index c1c3b03..11f3dd0 100644
--- a/arch/microblaze/include/asm/asm.h
+++ b/arch/microblaze/include/asm/asm.h
@@ -43,6 +43,10 @@
#define R14(val) \
__asm__ __volatile__ ("addi %0, r14, 0":"=r" (val));
+/* get return address from interrupt */
+#define R17(val) \
+ __asm__ __volatile__ ("addi %0, r17, 0" : "=r" (val));
+
#define NOP __asm__ __volatile__ ("nop");
/* use machine status registe USE_MSR_REG */
diff --git a/arch/microblaze/include/asm/config.h b/arch/microblaze/include/asm/config.h
index cd29734..32fd636 100644
--- a/arch/microblaze/include/asm/config.h
+++ b/arch/microblaze/include/asm/config.h
@@ -7,4 +7,11 @@
#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
+
#endif
diff --git a/arch/microblaze/include/asm/microblaze_intc.h b/arch/microblaze/include/asm/microblaze_intc.h
index 0fb9207..6586838 100644
--- a/arch/microblaze/include/asm/microblaze_intc.h
+++ b/arch/microblaze/include/asm/microblaze_intc.h
@@ -34,5 +34,3 @@
*/
int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
void *arg);
-
-int interrupts_init(void);
diff --git a/arch/microblaze/include/asm/u-boot.h b/arch/microblaze/include/asm/u-boot.h
index 54d415e..66f8f95 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 339dd15..0289d0c 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 600c80a..0000000
--- 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@monstr.eu>
- * Yasushi SHOJI <yashi@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
- interrupts_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/arch/nds32/include/asm/u-boot-nds32.h b/arch/nds32/include/asm/u-boot-nds32.h
index b079086..dee5f43 100644
--- a/arch/nds32/include/asm/u-boot-nds32.h
+++ b/arch/nds32/include/asm/u-boot-nds32.h
@@ -22,7 +22,6 @@
/* board/.../... */
int board_init(void);
-int dram_init(void);
/* cpu/.../interrupt.c */
void reset_timer_masked(void);
diff --git a/arch/sandbox/include/asm/u-boot-sandbox.h b/arch/sandbox/include/asm/u-boot-sandbox.h
index d2f1b65..770ab5c 100644
--- a/arch/sandbox/include/asm/u-boot-sandbox.h
+++ b/arch/sandbox/include/asm/u-boot-sandbox.h
@@ -17,7 +17,6 @@
/* board/.../... */
int board_init(void);
-int dram_init(void);
/* start.c */
int sandbox_early_getopt_check(void);
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index b98afa8..c24846b 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -26,15 +26,9 @@
void timer_set_base(uint64_t base);
int pcat_timer_init(void);
-/* Architecture specific DRAM init */
-int dram_init(void);
-
/* cpu/.../interrupts.c */
int cpu_init_interrupts(void);
-/* board/.../... */
-int dram_init(void);
-
int cleanup_before_linux(void);
int x86_cleanup_before_linux(void);
void x86_enable_caches(void);
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 42a8d0c..3110405 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;
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = ram_base;
+ gd->bd->bi_dram[0].size = get_effective_memsize();
+}
+
+int dram_init(void)
+{
+ 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 1;
+ }
+ 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 1;
+ }
+ ram_base = addr;
+
+ gd->ram_top = addr; /* In setup_dest_addr() is done +ram_size */
+ gd->ram_size = size;
+
+ return 0;
+};
+#else
+int dram_init(void)
+{
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+ return 0;
+}
+#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 7953137..d25329a 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -262,7 +262,7 @@
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;
@@ -909,7 +909,7 @@
#endif
announce_dram_init,
/* TODO: unify all these dram functions? */
-#if defined(CONFIG_ARM) || defined(CONFIG_X86)
+#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE)
dram_init, /* configure available RAM banks */
#endif
#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
diff --git a/common/board_r.c b/common/board_r.c
index 68a9448..907b33c 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -294,6 +294,15 @@
return 0;
}
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+static int initr_manual_reloc_cmdtable(void)
+{
+ fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
+ ll_entry_count(cmd_tbl_t, cmd));
+ return 0;
+}
+#endif
+
#if !defined(CONFIG_SYS_NO_FLASH)
static int initr_flash(void)
{
@@ -702,6 +711,9 @@
initr_serial,
initr_announce,
INIT_FUNC_WATCHDOG_RESET
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+ initr_manual_reloc_cmdtable,
+#endif
#ifdef CONFIG_PPC
initr_trap,
#endif
@@ -801,7 +813,7 @@
#if defined(CONFIG_ARM)
initr_enable_interrupts,
#endif
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE)
timer_init, /* initialize timer */
#endif
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
index e6d8a7a..e9eab23 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[])
{
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 +202,12 @@
print_eths();
#endif
printf("baudrate = %u bps\n", gd->baudrate);
+ print_num("relocaddr", gd->relocaddr);
+ print_num("reloc off", gd->reloc_off);
+ print_num("fdt_blob", (ulong)gd->fdt_blob);
+ print_num("new_fdt", (ulong)gd->new_fdt);
+ print_num("fdt_size", (ulong)gd->fdt_size);
+
return 0;
}
diff --git a/include/common.h b/include/common.h
index 97c8f79..9129454 100644
--- a/include/common.h
+++ b/include/common.h
@@ -183,6 +183,7 @@
/*
* Function Prototypes
*/
+int dram_init(void);
void hang (void) __attribute__ ((noreturn));
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index bb07060..166ab4f 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -106,62 +106,22 @@
# 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)
+# define CONFIG_SYS_SDRAM_BASE XILINX_RAM_START
+# define CONFIG_SYS_SDRAM_SIZE XILINX_RAM_SIZE
+#endif
-/* 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)
+#define CONFIG_SYS_MALLOC_LEN 0xC0000
+#ifndef CONFIG_SPL_BUILD
+# define CONFIG_SYS_MALLOC_F_LEN 1024
+#else
+# define CONFIG_SYS_MALLOC_SIMPLE
+# define CONFIG_SYS_MALLOC_F_LEN 0x150
+#endif
-/* stack */
-#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_MALLOC_BASE
+/* Stack location before relocation */
+#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_TEXT_BASE
/*
* CFI flash memory layout - Example
@@ -452,7 +412,10 @@
#define CONFIG_SPL_LDSCRIPT "arch/microblaze/cpu/u-boot-spl.lds"
#define CONFIG_SPL_RAM_DEVICE
-#define CONFIG_SPL_NOR_SUPPORT
+#ifdef CONFIG_SYS_FLASH_BASE
+# define CONFIG_SPL_NOR_SUPPORT
+# define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
+#endif
/* for booting directly linux */
#define CONFIG_SPL_OS_BOOT
@@ -468,36 +431,20 @@
/* BRAM start */
#define CONFIG_SYS_INIT_RAM_ADDR 0x0
/* BRAM size - will be generated */
-#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
-/* Stack pointer prior relocation, must situated at on-chip RAM */
-#define CONFIG_SYS_SPL_MALLOC_END (CONFIG_SYS_INIT_RAM_ADDR + \
- CONFIG_SYS_INIT_RAM_SIZE - \
- GENERATED_GBL_DATA_SIZE)
-
-#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100
+#define CONFIG_SYS_INIT_RAM_SIZE 0x100000
-/*
- * The main reason to do it in this way is that MALLOC_START
- * can't be defined - common/spl/spl.c
- */
-#if (CONFIG_SYS_SPL_MALLOC_SIZE != 0)
-# define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_SPL_MALLOC_END - \
- CONFIG_SYS_SPL_MALLOC_SIZE)
-# define CONFIG_SPL_STACK_ADDR CONFIG_SYS_SPL_MALLOC_START
-#else
-# define CONFIG_SPL_STACK_ADDR CONFIG_SYS_SPL_MALLOC_END
-#endif
+# define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - \
+ CONFIG_SYS_MALLOC_F_LEN)
/* Just for sure that there is a space for stack */
#define CONFIG_SPL_STACK_SIZE 0x100
-#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
CONFIG_SYS_INIT_RAM_ADDR - \
- GENERATED_GBL_DATA_SIZE - \
- CONFIG_SYS_SPL_MALLOC_SIZE - \
+ CONFIG_SYS_MALLOC_F_LEN - \
CONFIG_SPL_STACK_SIZE)
#endif /* __CONFIG_H */