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-rw-r--r--arch/arm/cpu/arm1136/start.S2
-rw-r--r--arch/arm/cpu/arm1176/start.S6
-rw-r--r--arch/arm/cpu/arm720t/start.S8
-rw-r--r--arch/arm/cpu/arm920t/at91/lowlevel_init.S4
-rw-r--r--arch/arm/cpu/arm920t/at91rm9200/lowlevel_init.S4
-rw-r--r--arch/arm/cpu/arm920t/start.S2
-rw-r--r--arch/arm/cpu/arm925t/start.S2
-rw-r--r--arch/arm/cpu/arm926ejs/at91/lowlevel_init.S4
-rw-r--r--arch/arm/cpu/arm926ejs/start.S2
-rw-r--r--arch/arm/cpu/arm946es/start.S2
-rw-r--r--arch/arm/cpu/arm_intcm/start.S2
-rw-r--r--arch/arm/cpu/armv7/omap3/lowlevel_init.S2
-rw-r--r--arch/arm/cpu/armv7/start.S2
-rw-r--r--arch/arm/cpu/ixp/start.S2
-rw-r--r--arch/arm/cpu/lh7a40x/start.S2
-rw-r--r--arch/arm/cpu/pxa/start.S2
-rw-r--r--arch/arm/cpu/s3c44b0/start.S2
-rw-r--r--arch/arm/cpu/sa1100/start.S2
-rw-r--r--arch/arm/include/asm/config.h2
-rw-r--r--arch/arm/lib/bootm.c137
20 files changed, 149 insertions, 42 deletions
diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S
index 494768e..5008ac6 100644
--- a/arch/arm/cpu/arm1136/start.S
+++ b/arch/arm/cpu/arm1136/start.S
@@ -87,7 +87,7 @@ _end_vect:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index 6277ae0..24e5bf4 100644
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -97,7 +97,7 @@ _end_vect:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
/*
* Below variable is very important because we use MMU in U-Boot.
@@ -205,7 +205,7 @@ cpu_init_crit:
/* Prepare to disable the MMU */
adr r2, mmu_disable_phys
- sub r2, r2, #(CONFIG_SYS_PHY_UBOOT_BASE - TEXT_BASE)
+ sub r2, r2, #(CONFIG_SYS_PHY_UBOOT_BASE - CONFIG_SYS_TEXT_BASE)
b mmu_disable
.align 5
@@ -444,7 +444,7 @@ cpu_init_crit:
/* Prepare to disable the MMU */
adr r2, mmu_disable_phys
- sub r2, r2, #(CONFIG_SYS_PHY_UBOOT_BASE - TEXT_BASE)
+ sub r2, r2, #(CONFIG_SYS_PHY_UBOOT_BASE - CONFIG_SYS_TEXT_BASE)
b mmu_disable
.align 5
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index 6a8d57b..d93911f 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -77,7 +77,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
@@ -298,11 +298,11 @@ relocate: /* relocate U-Boot to RAM */
cmp r0, r1 /* don't reloc during debug */
beq stack_setup
-#if TEXT_BASE
+#if CONFIG_SYS_TEXT_BASE
#ifndef CONFIG_LPC2292 /* already done in lowlevel_init */
ldr r2, =0x0 /* Relocate the exception vectors */
cmp r1, r2 /* and associated data to address */
- ldmneia r0!, {r3-r10} /* 0x0. Do nothing if TEXT_BASE is */
+ ldmneia r0!, {r3-r10} /* 0x0. Do nothing if CONFIG_SYS_TEXT_BASE is */
stmneia r2!, {r3-r10} /* 0x0. Copy the first 15 words. */
ldmneia r0, {r3-r9}
stmneia r2, {r3-r9}
@@ -755,7 +755,7 @@ reset_cpu:
ldr r0, [r1, #+NETARM_MEM_CS0_BASE_ADDR]
ldr r1, =0xFFFFF000
and r0, r1, r0
- ldr r1, =(relocate-TEXT_BASE)
+ ldr r1, =(relocate-CONFIG_SYS_TEXT_BASE)
add r0, r1, r0
ldr r4, =NETARM_GEN_MODULE_BASE
ldr r1, =NETARM_GEN_SW_SVC_RESETA
diff --git a/arch/arm/cpu/arm920t/at91/lowlevel_init.S b/arch/arm/cpu/arm920t/at91/lowlevel_init.S
index 22fc86c..eaea9d2 100644
--- a/arch/arm/cpu/arm920t/at91/lowlevel_init.S
+++ b/arch/arm/cpu/arm920t/at91/lowlevel_init.S
@@ -39,9 +39,9 @@
_MTEXT_BASE:
#undef START_FROM_MEM
#ifdef START_FROM_MEM
- .word TEXT_BASE-PHYS_FLASH_1
+ .word CONFIG_SYS_TEXT_BASE-PHYS_FLASH_1
#else
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#endif
.globl lowlevel_init
diff --git a/arch/arm/cpu/arm920t/at91rm9200/lowlevel_init.S b/arch/arm/cpu/arm920t/at91rm9200/lowlevel_init.S
index d8bb960..2e7160f 100644
--- a/arch/arm/cpu/arm920t/at91rm9200/lowlevel_init.S
+++ b/arch/arm/cpu/arm920t/at91rm9200/lowlevel_init.S
@@ -43,9 +43,9 @@
_MTEXT_BASE:
#undef START_FROM_MEM
#ifdef START_FROM_MEM
- .word TEXT_BASE-PHYS_FLASH_1
+ .word CONFIG_SYS_TEXT_BASE-PHYS_FLASH_1
#else
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#endif
.globl lowlevel_init
diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S
index 09ee815..343a760 100644
--- a/arch/arm/cpu/arm920t/start.S
+++ b/arch/arm/cpu/arm920t/start.S
@@ -72,7 +72,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S
index f173400..cf18a01 100644
--- a/arch/arm/cpu/arm925t/start.S
+++ b/arch/arm/cpu/arm925t/start.S
@@ -83,7 +83,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
index 559c35c..7f7ca5e 100644
--- a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
+++ b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
@@ -43,7 +43,7 @@
#endif
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
.globl lowlevel_init
.type lowlevel_init,function
@@ -54,7 +54,7 @@ POS1:
ldr r0, =POS1 /* r0 = POS1 compile */
ldr r2, _TEXT_BASE
sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
+ sub r5, r5, r0 /* r0 = CONFIG_SYS_TEXT_BASE-1 */
sub r5, r5, #4 /* r1 = text base - current */
/* memory control configuration 1 */
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index a960689..8cbe3e7 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -116,7 +116,7 @@ _fiq:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S
index 4f062e5..077886f 100644
--- a/arch/arm/cpu/arm946es/start.S
+++ b/arch/arm/cpu/arm946es/start.S
@@ -87,7 +87,7 @@ _fiq:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S
index 79ef517..07356cb 100644
--- a/arch/arm/cpu/arm_intcm/start.S
+++ b/arch/arm/cpu/arm_intcm/start.S
@@ -85,7 +85,7 @@ _fiq:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE /* address of _start in the linked image */
+ .word CONFIG_SYS_TEXT_BASE /* address of _start in the linked image */
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
index 935bbb6..109481e 100644
--- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
@@ -33,7 +33,7 @@
#include <asm/arch/clocks_omap3.h>
_TEXT_BASE:
- .word TEXT_BASE /* sdram load addr from config.mk */
+ .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT)
/**************************************************************************
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index c392c5d..26f335a 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -67,7 +67,7 @@ _end_vect:
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S
index 940d45d..836c33b 100644
--- a/arch/arm/cpu/ixp/start.S
+++ b/arch/arm/cpu/ixp/start.S
@@ -95,7 +95,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S
index b8cf1b8..d944860 100644
--- a/arch/arm/cpu/lh7a40x/start.S
+++ b/arch/arm/cpu/lh7a40x/start.S
@@ -74,7 +74,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index cfb9411..9c5023b 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -84,7 +84,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S
index c5a67dc..20091b2 100644
--- a/arch/arm/cpu/s3c44b0/start.S
+++ b/arch/arm/cpu/s3c44b0/start.S
@@ -65,7 +65,7 @@ _start: b reset
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S
index d1262ad..8eabb66 100644
--- a/arch/arm/cpu/sa1100/start.S
+++ b/arch/arm/cpu/sa1100/start.S
@@ -75,7 +75,7 @@ _fiq: .word fiq
.globl _TEXT_BASE
_TEXT_BASE:
- .word TEXT_BASE
+ .word CONFIG_SYS_TEXT_BASE
#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
.globl _armboot_start
diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h
index 4e8dfd7..d8e33fc 100644
--- a/arch/arm/include/asm/config.h
+++ b/arch/arm/include/asm/config.h
@@ -25,4 +25,6 @@
/* Relocation to SDRAM works on all ARM boards */
#define CONFIG_RELOC_FIXUP_WORKS
#endif
+#define CONFIG_LMB
+#define CONFIG_SYS_BOOT_RAMDISK_HIGH
#endif
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 3101321..2e7b2e1 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -26,6 +26,9 @@
#include <image.h>
#include <u-boot/zlib.h>
#include <asm/byteorder.h>
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -50,12 +53,52 @@ static void setup_end_tag (bd_t *bd);
static struct tag *params;
#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
-int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+static ulong get_sp(void);
+#if defined(CONFIG_OF_LIBFDT)
+static int bootm_linux_fdt(int machid, bootm_headers_t *images);
+#endif
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+ ulong sp;
+
+ /*
+ * Booting a (Linux) kernel image
+ *
+ * Allocate space for command line and board info - the
+ * address should be as high as possible within the reach of
+ * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
+ * memory, which means far enough below the current stack
+ * pointer.
+ */
+ sp = get_sp();
+ debug("## Current stack ends at 0x%08lx ", sp);
+
+ /* adjust sp by 1K to be safe */
+ sp -= 1024;
+ lmb_reserve(lmb, sp,
+ gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp);
+}
+
+static void announce_and_cleanup(void)
+{
+ printf("\nStarting kernel ...\n\n");
+
+#ifdef CONFIG_USB_DEVICE
+ {
+ extern void udc_disconnect(void);
+ udc_disconnect();
+ }
+#endif
+ cleanup_before_linux();
+}
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
bd_t *bd = gd->bd;
char *s;
int machid = bd->bi_arch_number;
- void (*theKernel)(int zero, int arch, uint params);
+ void (*kernel_entry)(int zero, int arch, uint params);
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv ("bootargs");
@@ -64,8 +107,6 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
- theKernel = (void (*)(int, int, uint))images->ep;
-
s = getenv ("machid");
if (s) {
machid = simple_strtoul (s, NULL, 16);
@@ -74,8 +115,15 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
show_boot_progress (15);
+#ifdef CONFIG_OF_LIBFDT
+ if (images->ft_len)
+ return bootm_linux_fdt(machid, images);
+#endif
+
+ kernel_entry = (void (*)(int, int, uint))images->ep;
+
debug ("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong) theKernel);
+ (ulong) kernel_entry);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
@@ -99,27 +147,76 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
if (images->rd_start && images->rd_end)
setup_initrd_tag (bd, images->rd_start, images->rd_end);
#endif
- setup_end_tag (bd);
+ setup_end_tag(bd);
#endif
- /* we assume that the kernel is in place */
- printf ("\nStarting kernel ...\n\n");
+ announce_and_cleanup();
-#ifdef CONFIG_USB_DEVICE
- {
- extern void udc_disconnect (void);
- udc_disconnect ();
+ kernel_entry(0, machid, bd->bi_boot_params);
+ /* does not return */
+
+ return 1;
+}
+
+#if defined(CONFIG_OF_LIBFDT)
+static int fixup_memory_node(void *blob)
+{
+ bd_t *bd = gd->bd;
+ int bank;
+ u64 start[CONFIG_NR_DRAM_BANKS];
+ u64 size[CONFIG_NR_DRAM_BANKS];
+
+ for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+ start[bank] = bd->bi_dram[bank].start;
+ size[bank] = bd->bi_dram[bank].size;
}
-#endif
- cleanup_before_linux ();
+ return fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
+}
+
+static int bootm_linux_fdt(int machid, bootm_headers_t *images)
+{
+ ulong rd_len;
+ bd_t *bd = gd->bd;
+ char *s;
+ void (*kernel_entry)(int zero, int dt_machid, void *dtblob);
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ char **of_flat_tree = &images->ft_addr;
+ ulong *initrd_start = &images->initrd_start;
+ ulong *initrd_end = &images->initrd_end;
+ struct lmb *lmb = &images->lmb;
+ int ret;
+
+ kernel_entry = (void (*)(int, int, void *))images->ep;
+
+ rd_len = images->rd_end - images->rd_start;
+ ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
+ initrd_start, initrd_end);
+ if (ret)
+ return ret;
+
+ ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size);
+ if (ret)
+ return ret;
- theKernel (0, machid, bd->bi_boot_params);
+ debug("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong) kernel_entry);
+
+ fdt_chosen(*of_flat_tree, 1);
+
+ fixup_memory_node(*of_flat_tree);
+
+ fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1);
+
+ announce_and_cleanup();
+
+ kernel_entry(0, machid, *of_flat_tree);
/* does not return */
return 1;
}
-
+#endif
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
@@ -239,4 +336,12 @@ static void setup_end_tag (bd_t *bd)
params->hdr.size = 0;
}
+static ulong get_sp(void)
+{
+ ulong ret;
+
+ asm("mov %0, sp" : "=r"(ret) : );
+ return ret;
+}
+
#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
generated by cgit v1.1 at 2024-09-19 13:04:16 +0000