ac14xx: rephrase network boot config for development

[karo-tx-uboot.git] / include / part.h

diff --git a/include/part.h b/include/part.h
index c58a734ada0196fce6c75af2a195f660c98f10b6..f7c7cc59fca2dccb41635e1f28666aed60234449 100644 (file)
--- a/include/part.h
+++ b/include/part.h
@@ -38,6 +38,7 @@ typedef struct block_dev_desc {
 #endif
        lbaint_t        lba;            /* number of blocks */
        unsigned long   blksz;          /* block size */
+       int             log2blksz;      /* for convenience: log2(blksz) */
        char            vendor [40+1];  /* IDE model, SCSI Vendor */
        char            product[20+1];  /* IDE Serial no, SCSI product */
        char            revision[8+1];  /* firmware revision */
@@ -55,6 +56,14 @@ typedef struct block_dev_desc {
        void            *priv;          /* driver private struct pointer */
 }block_dev_desc_t;
 
+#define BLOCK_CNT(size, block_dev_desc) (PAD_COUNT(size, block_dev_desc->blksz))
+#define PAD_TO_BLOCKSIZE(size, block_dev_desc) \
+       (PAD_SIZE(size, block_dev_desc->blksz))
+#define LOG2(x) (((x & 0xaaaaaaaa) ? 1 : 0) + ((x & 0xcccccccc) ? 2 : 0) + \
+                ((x & 0xf0f0f0f0) ? 4 : 0) + ((x & 0xff00ff00) ? 8 : 0) + \
+                ((x & 0xffff0000) ? 16 : 0))
+#define LOG2_INVALID(type) ((type)((sizeof(type)<<3)-1))
+
 /* Interface types: */
 #define IF_TYPE_UNKNOWN                0
 #define IF_TYPE_IDE            1