avr32: use dlmalloc for DMA buffers

[karo-tx-uboot.git] / arch / avr32 / lib / board.c

diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index bf0997f98dc3802626418d190bb3cec2e165992c..7d13ac534b835077eb46262ce32d5a776c65a3c5 100644 (file)
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -45,50 +45,6 @@ int cpu_mmc_init(bd_t *bd)
        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);
@@ -180,12 +136,6 @@ 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",
@@ -264,7 +214,6 @@ 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();