Signed-off-by: Andreas Bießmann <andreas.de...@googlemail.com>
---
arch/avr32/config.mk | 3 +++
arch/avr32/cpu/u-boot.lds | 2 ++
arch/avr32/include/asm/config.h | 1 +
arch/avr32/include/asm/u-boot.h | 7 +++++++
arch/avr32/lib/Makefile | 2 ++
arch/avr32/lib/interrupts.c | 5 +++++
common/board_f.c | 13 ++++++++++---
common/board_r.c | 22 ++++++++++++++++++++--
include/asm-generic/u-boot.h | 4 ++++
9 files changed, 54 insertions(+), 5 deletions(-)
diff --git a/arch/avr32/config.mk b/arch/avr32/config.mk
index 469185e..8252f59 100644
--- a/arch/avr32/config.mk
+++ b/arch/avr32/config.mk
@@ -9,6 +9,9 @@ ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := avr32-linux-
endif
+# avr32 has generic board support
+__HAVE_ARCH_GENERIC_BOARD := y
+
CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000
PLATFORM_RELFLAGS += -ffixed-r5 -fPIC -mno-init-got -mrelax
diff --git a/arch/avr32/cpu/u-boot.lds b/arch/avr32/cpu/u-boot.lds
index cb29a22..b0180e3 100644
--- a/arch/avr32/cpu/u-boot.lds
+++ b/arch/avr32/cpu/u-boot.lds
@@ -48,9 +48,11 @@ SECTIONS
_edata = .;
.bss (NOLOAD) : {
+ __bss_start = .;
*(.bss)
*(.bss.*)
}
. = ALIGN(8);
__bss_end = .;
+ __init_end = .;
}
diff --git a/arch/avr32/include/asm/config.h b/arch/avr32/include/asm/config.h
index 63056a4..529fe22 100644
--- a/arch/avr32/include/asm/config.h
+++ b/arch/avr32/include/asm/config.h
@@ -8,5 +8,6 @@
#define _ASM_CONFIG_H_
#define CONFIG_NEEDS_MANUAL_RELOC
+#define CONFIG_SYS_GENERIC_GLOBAL_DATA
#endif
diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h
index 2387f8a..0f7dddd 100644
--- a/arch/avr32/include/asm/u-boot.h
+++ b/arch/avr32/include/asm/u-boot.h
@@ -6,6 +6,11 @@
#ifndef __ASM_U_BOOT_H__
#define __ASM_U_BOOT_H__ 1
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+#else
+
typedef struct bd_info {
unsigned char bi_phy_id[4];
unsigned long bi_board_number;
@@ -22,6 +27,8 @@ typedef struct bd_info {
#define bi_memstart bi_dram[0].start
#define bi_memsize bi_dram[0].size
+#endif
+
/* For image.h:image_check_target_arch() */
#define IH_ARCH_DEFAULT IH_ARCH_AVR32
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index bb45cbe..d5cb8b2 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -8,6 +8,8 @@
#
obj-y += memset.o
+ifndef CONFIG_SYS_GENERIC_BOARD
obj-y += board.o
+endif
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += interrupts.o
diff --git a/arch/avr32/lib/interrupts.c b/arch/avr32/lib/interrupts.c
index bacb2d1..5f3a49e 100644
--- a/arch/avr32/lib/interrupts.c
+++ b/arch/avr32/lib/interrupts.c
@@ -7,6 +7,11 @@
#include <asm/sysreg.h>
+int interrupt_init(void)
+{
+ return 0;
+}
+
void enable_interrupts(void)
{
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
diff --git a/common/board_f.c b/common/board_f.c
index 3a4b32c..b5eb81e 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_AVR32)
static int init_func_ram(void)
{
#ifdef CONFIG_BOARD_TYPES
@@ -268,6 +268,8 @@ static int setup_mon_len(void)
gd->mon_len = (ulong)&_end - (ulong)_init;
#elif defined(CONFIG_BLACKFIN) || defined(CONFIG_NIOS2)
gd->mon_len = CONFIG_SYS_MONITOR_LEN;
+#elif defined(CONFIG_AVR32)
+ gd->mon_len = (ulong)&__bss_end - (ulong)&_text;
#else
/* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
@@ -581,7 +583,7 @@ static int reserve_stacks(void)
gd->irq_sp = gd->start_addr_sp;
# endif
#else
-# ifdef CONFIG_PPC
+# if defined(CONFIG_PPC) || defined(CONFIG_AVR32)
ulong *s;
# endif
@@ -611,6 +613,11 @@ static int reserve_stacks(void)
s = (ulong *) gd->start_addr_sp;
*s = 0; /* Terminate back chain */
*++s = 0; /* NULL return address */
+# elif defined(CONFIG_AVR32)
+ gd->arch.stack_end = gd->start_addr_sp;
+ s = (ulong *)gd->start_addr_sp;
+ *s = 0;
+ *--s = 0;
# endif /* Architecture specific code */
return 0;
@@ -906,7 +913,7 @@ 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_AVR32)
init_func_ram,
#endif
#ifdef CONFIG_POST
diff --git a/common/board_r.c b/common/board_r.c
index e712902..4d2000d 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -459,6 +459,16 @@ static int initr_env(void)
return 0;
}
+#ifdef CONFIG_SYS_BOOTPARAMS_LEN
+static int initr_malloc_bootparams(void)
+{
+ gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN);
+ if (!gd->bd->bi_boot_params)
+ puts("WARNING: Cannot allocate space for boot parameters\n");
+ return 0;
+}
+#endif
+
#ifdef CONFIG_SC3
/* TODO: with new initcalls, move this into the driver */
extern void sc3_read_eeprom(void);
@@ -502,7 +512,7 @@ static int show_model_r(void)
#endif
/* enable exceptions */
-#ifdef CONFIG_ARM
+#if defined(CONFIG_ARM) || defined(CONFIG_AVR32)
static int initr_enable_interrupts(void)
{
enable_interrupts();
@@ -791,6 +801,9 @@ init_fnc_t init_sequence_r[] = {
initr_dataflash,
#endif
initr_env,
+#ifdef CONFIG_SYS_BOOTPARAMS_LEN
+ initr_malloc_bootparams,
+#endif
INIT_FUNC_WATCHDOG_RESET
initr_secondary_cpu,
#ifdef CONFIG_SC3
@@ -826,7 +839,7 @@ init_fnc_t init_sequence_r[] = {
initr_kgdb,
#endif
interrupt_init,
-#if defined(CONFIG_ARM)
+#if defined(CONFIG_ARM) || defined(CONFIG_AVR32)
initr_enable_interrupts,
#endif
#ifdef CONFIG_X86
@@ -894,6 +907,11 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
int i;
#endif
+#ifdef CONFIG_AVR32
+ extern void mmu_init_r(unsigned long);
+ mmu_init_r(dest_addr);
+#endif
+
#if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
gd = new_gd;
#endif
diff --git a/include/asm-generic/u-boot.h b/include/asm-generic/u-boot.h
index aef39d7..a63a87a 100644
--- a/include/asm-generic/u-boot.h
+++ b/include/asm-generic/u-boot.h
@@ -32,6 +32,10 @@ typedef struct bd_info {
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 */
+#ifdef CONFIG_AVR32
+ unsigned char bi_phy_id[4]; /* PHY address for ATAG_ETHERNET */
+ unsigned long bi_board_number;/* ATAG_BOARDINFO */
+#endif
#ifdef CONFIG_ARM
unsigned long bi_arm_freq; /* arm frequency */
unsigned long bi_dsp_freq; /* dsp core frequency */
--
1.7.10.4
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