spi: omap3_spi: Use BIT macro

[u-boot] / drivers / dfu / dfu_mmc.c

diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 62d72fe4c69a3843974a353f28885fd8661c640e..5a9fb4a6e24780ed3fda556ca522cd697d5f90dc 100644 (file)
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -16,9 +16,9 @@
 #include <fat.h>
 #include <mmc.h>
 
-static unsigned char __aligned(CONFIG_SYS_CACHELINE_SIZE)
-                               dfu_file_buf[CONFIG_SYS_DFU_MAX_FILE_SIZE];
+static unsigned char *dfu_file_buf;
 static long dfu_file_buf_len;
+static long dfu_file_buf_filled;
 
 static int mmc_access_part(struct dfu_entity *dfu, struct mmc *mmc, int part)
 {
@@ -157,7 +157,7 @@ static int mmc_file_op(enum dfu_op op, struct dfu_entity *dfu,
                dfu->data.mmc.dev, dfu->data.mmc.part);
 
        if (op != DFU_OP_SIZE)
-               sprintf(cmd_buf + strlen(cmd_buf), " 0x%x", (unsigned int)buf);
+               sprintf(cmd_buf + strlen(cmd_buf), " %p", buf);
 
        sprintf(cmd_buf + strlen(cmd_buf), " %s", dfu->name);
 
@@ -211,7 +211,7 @@ int dfu_flush_medium_mmc(struct dfu_entity *dfu)
 
        if (dfu->layout != DFU_RAW_ADDR) {
                /* Do stuff here. */
-               ret = mmc_file_op(DFU_OP_WRITE, dfu, &dfu_file_buf,
+               ret = mmc_file_op(DFU_OP_WRITE, dfu, dfu_file_buf,
                                &dfu_file_buf_len);
 
                /* Now that we're done */
@@ -231,9 +231,12 @@ long dfu_get_medium_size_mmc(struct dfu_entity *dfu)
                return dfu->data.mmc.lba_size * dfu->data.mmc.lba_blk_size;
        case DFU_FS_FAT:
        case DFU_FS_EXT4:
+               dfu_file_buf_filled = -1;
                ret = mmc_file_op(DFU_OP_SIZE, dfu, NULL, &len);
                if (ret < 0)
                        return ret;
+               if (len > CONFIG_SYS_DFU_MAX_FILE_SIZE)
+                       return -1;
                return len;
        default:
                printf("%s: Layout (%s) not (yet) supported!\n", __func__,
@@ -242,6 +245,27 @@ long dfu_get_medium_size_mmc(struct dfu_entity *dfu)
        }
 }
 
+static int mmc_file_unbuffer(struct dfu_entity *dfu, u64 offset, void *buf,
+                            long *len)
+{
+       int ret;
+       long file_len;
+
+       if (dfu_file_buf_filled == -1) {
+               ret = mmc_file_op(DFU_OP_READ, dfu, dfu_file_buf, &file_len);
+               if (ret < 0)
+                       return ret;
+               dfu_file_buf_filled = file_len;
+       }
+       if (offset + *len > dfu_file_buf_filled)
+               return -EINVAL;
+
+       /* Add to the current buffer. */
+       memcpy(buf, dfu_file_buf + offset, *len);
+
+       return 0;
+}
+
 int dfu_read_medium_mmc(struct dfu_entity *dfu, u64 offset, void *buf,
                long *len)
 {
@@ -253,7 +277,7 @@ int dfu_read_medium_mmc(struct dfu_entity *dfu, u64 offset, void *buf,
                break;
        case DFU_FS_FAT:
        case DFU_FS_EXT4:
-               ret = mmc_file_op(DFU_OP_READ, dfu, buf, len);
+               ret = mmc_file_unbuffer(dfu, offset, buf, len);
                break;
        default:
                printf("%s: Layout (%s) not (yet) supported!\n", __func__,
@@ -263,6 +287,14 @@ int dfu_read_medium_mmc(struct dfu_entity *dfu, u64 offset, void *buf,
        return ret;
 }
 
+void dfu_free_entity_mmc(struct dfu_entity *dfu)
+{
+       if (dfu_file_buf) {
+               free(dfu_file_buf);
+               dfu_file_buf = NULL;
+       }
+}
+
 /*
  * @param s Parameter string containing space-separated arguments:
  *     1st:
@@ -370,6 +402,18 @@ int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s)
        dfu->write_medium = dfu_write_medium_mmc;
        dfu->flush_medium = dfu_flush_medium_mmc;
        dfu->inited = 0;
+       dfu->free_entity = dfu_free_entity_mmc;
+
+       /* Check if file buffer is ready */
+       if (!dfu_file_buf) {
+               dfu_file_buf = memalign(CONFIG_SYS_CACHELINE_SIZE,
+                                       CONFIG_SYS_DFU_MAX_FILE_SIZE);
+               if (!dfu_file_buf) {
+                       error("Could not memalign 0x%x bytes",
+                             CONFIG_SYS_DFU_MAX_FILE_SIZE);
+                       return -ENOMEM;
+               }
+       }
 
        return 0;
 }