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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2015-02-24 07:59:38 +0100
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2015-02-24 07:59:38 +0100
commite1cc4d31f889428a4ca73120951389c756404184 (patch)
tree4a2028c750e19f5d36d0aa7545bda7cbacea9dd4 /arch/avr32/lib
parent23d184d2fbc805bdd9fb41f2370cdce04a7894af (diff)
parent38dac81b3d0e777f301ca98100bfbcab01d616c2 (diff)
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Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/avr32/lib')
-rw-r--r--arch/avr32/lib/Makefile3
-rw-r--r--arch/avr32/lib/board.c83
-rw-r--r--arch/avr32/lib/dram_init.c17
-rw-r--r--arch/avr32/lib/interrupts.c5
4 files changed, 37 insertions, 71 deletions
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index bb45cbe..6750913 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -8,6 +8,9 @@
#
obj-y += memset.o
+ifndef CONFIG_SYS_GENERIC_BOARD
obj-y += board.o
+endif
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += interrupts.o
+obj-y += dram_init.o
diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index bf0997f..99aa96e 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -9,7 +9,6 @@
#include <stdio_dev.h>
#include <version.h>
#include <net.h>
-#include <atmel_mci.h>
#ifdef CONFIG_BITBANGMII
#include <miiphy.h>
@@ -30,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR;
unsigned long monitor_flash_len;
+__weak void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
/* Weak aliases for optional board functions */
static int __do_nothing(void)
{
@@ -38,57 +43,6 @@ static int __do_nothing(void)
int board_postclk_init(void) __attribute__((weak, alias("__do_nothing")));
int board_early_init_r(void) __attribute__((weak, alias("__do_nothing")));
-/* provide cpu_mmc_init, to overwrite provide board_mmc_init */
-int cpu_mmc_init(bd_t *bd)
-{
- /* This calls the atmel_mci_init in gen_atmel_mci.c */
- return atmel_mci_init((void *)ATMEL_BASE_MMCI);
-}
-
-#ifdef CONFIG_SYS_DMA_ALLOC_LEN
-#include <asm/arch/cacheflush.h>
-#include <asm/io.h>
-
-static unsigned long dma_alloc_start;
-static unsigned long dma_alloc_end;
-static unsigned long dma_alloc_brk;
-
-static void dma_alloc_init(void)
-{
- unsigned long monitor_addr;
-
- monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
- dma_alloc_end = monitor_addr - CONFIG_SYS_MALLOC_LEN;
- dma_alloc_start = dma_alloc_end - CONFIG_SYS_DMA_ALLOC_LEN;
- dma_alloc_brk = dma_alloc_start;
-
- printf("DMA: Using memory from 0x%08lx to 0x%08lx\n",
- dma_alloc_start, dma_alloc_end);
-
- invalidate_dcache_range((unsigned long)cached(dma_alloc_start),
- dma_alloc_end);
-}
-
-void *dma_alloc_coherent(size_t len, unsigned long *handle)
-{
- unsigned long paddr = dma_alloc_brk;
-
- if (dma_alloc_brk + len > dma_alloc_end)
- return NULL;
-
- dma_alloc_brk = ((paddr + len + CONFIG_SYS_DCACHE_LINESZ - 1)
- & ~(CONFIG_SYS_DCACHE_LINESZ - 1));
-
- *handle = paddr;
- return uncached(paddr);
-}
-#else
-static inline void dma_alloc_init(void)
-{
-
-}
-#endif
-
static int init_baudrate(void)
{
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
@@ -134,7 +88,6 @@ void board_init_f(ulong board_type)
unsigned long monitor_len;
unsigned long monitor_addr;
unsigned long addr;
- long sdram_size;
/* Initialize the global data pointer */
memset(&gd_data, 0, sizeof(gd_data));
@@ -142,17 +95,17 @@ void board_init_f(ulong board_type)
/* Perform initialization sequence */
board_early_init_f();
- cpu_init();
+ arch_cpu_init();
board_postclk_init();
env_init();
init_baudrate();
serial_init();
console_init_f();
display_banner();
- sdram_size = initdram(board_type);
+ dram_init();
/* If we have no SDRAM, we can't go on */
- if (sdram_size <= 0)
+ if (gd->ram_size <= 0)
panic("No working SDRAM available\n");
/*
@@ -166,7 +119,7 @@ void board_init_f(ulong board_type)
* - global data struct
* - stack
*/
- addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
+ addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
monitor_len = (char *)(&__bss_end) - _text;
/*
@@ -180,12 +133,6 @@ void board_init_f(ulong board_type)
/* Reserve memory for malloc() */
addr -= CONFIG_SYS_MALLOC_LEN;
-#ifdef CONFIG_SYS_DMA_ALLOC_LEN
- /* Reserve DMA memory (must be cache aligned) */
- addr &= ~(CONFIG_SYS_DCACHE_LINESZ - 1);
- addr -= CONFIG_SYS_DMA_ALLOC_LEN;
-#endif
-
#ifdef CONFIG_LCD
#ifdef CONFIG_FB_ADDR
printf("LCD: Frame buffer allocated at preset 0x%08x\n",
@@ -210,16 +157,11 @@ void board_init_f(ulong board_type)
/* And finally, a new, bigger stack. */
new_sp = (unsigned long *)addr;
- gd->arch.stack_end = addr;
+ gd->start_addr_sp = addr;
*(--new_sp) = 0;
*(--new_sp) = 0;
- /*
- * Initialize the board information struct with the
- * information we have.
- */
- bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- bd->bi_dram[0].size = sdram_size;
+ dram_init_banksize();
memcpy(new_gd, gd, sizeof(gd_t));
@@ -264,7 +206,6 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
/* The malloc area is right below the monitor image in RAM */
mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN);
- dma_alloc_init();
enable_interrupts();
diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c
new file mode 100644
index 0000000..5078e77
--- /dev/null
+++ b/arch/avr32/lib/dram_init.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2015 Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ /* check for the maximum amount of memory possible on AP7000 devices */
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ (256<<20));
+ return 0;
+}
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));