reset: uniphier: sync reset data with Linux 4.18-rc1

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

diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c
index 2a01cc11b80546a39162e5b7c8485cdef72791d0..0bfdbf942898d391e993213573153dd4ec96c436 100644 (file)
--- a/drivers/dfu/dfu_nand.c
+++ b/drivers/dfu/dfu_nand.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * dfu_nand.c -- DFU for NAND routines.
  *
@@ -6,8 +7,6 @@
  * Based on dfu_mmc.c which is:
  * Copyright (C) 2012 Samsung Electronics
  * author: Lukasz Majewski <l.majewski@samsung.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -19,18 +18,13 @@
 #include <jffs2/load_kernel.h>
 #include <nand.h>
 
-enum dfu_nand_op {
-       DFU_OP_READ = 1,
-       DFU_OP_WRITE,
-};
-
-static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu,
+static int nand_block_op(enum dfu_op op, struct dfu_entity *dfu,
                        u64 offset, void *buf, long *len)
 {
        loff_t start, lim;
        size_t count, actual;
        int ret;
-       nand_info_t *nand;
+       struct mtd_info *mtd;
 
        /* if buf == NULL return total size of the area */
        if (buf == NULL) {
@@ -42,18 +36,18 @@ static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu,
        lim = dfu->data.nand.start + dfu->data.nand.size - start;
        count = *len;
 
+       mtd = get_nand_dev_by_index(nand_curr_device);
+
        if (nand_curr_device < 0 ||
            nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
-           !nand_info[nand_curr_device].name) {
+           !mtd) {
                printf("%s: invalid nand device\n", __func__);
                return -1;
        }
 
-       nand = &nand_info[nand_curr_device];
-
        if (op == DFU_OP_READ) {
-               ret = nand_read_skip_bad(nand, start, &count, &actual,
-                               lim, buf);
+               ret = nand_read_skip_bad(mtd, start, &count, &actual,
+                                        lim, buf);
        } else {
                nand_erase_options_t opts;
 
@@ -64,12 +58,12 @@ static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu,
                opts.quiet = 1;
                opts.lim = lim;
                /* first erase */
-               ret = nand_erase_opts(nand, &opts);
+               ret = nand_erase_opts(mtd, &opts);
                if (ret)
                        return ret;
                /* then write */
-               ret = nand_write_skip_bad(nand, start, &count, &actual,
-                               lim, buf, 0);
+               ret = nand_write_skip_bad(mtd, start, &count, &actual,
+                                         lim, buf, WITH_WR_VERIFY);
        }
 
        if (ret != 0) {
@@ -119,6 +113,13 @@ static int dfu_write_medium_nand(struct dfu_entity *dfu,
        return ret;
 }
 
+int dfu_get_medium_size_nand(struct dfu_entity *dfu, u64 *size)
+{
+       *size = dfu->data.nand.size;
+
+       return 0;
+}
+
 static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf,
                long *len)
 {
@@ -136,11 +137,63 @@ static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf,
        return ret;
 }
 
-int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
+static int dfu_flush_medium_nand(struct dfu_entity *dfu)
+{
+       int ret = 0;
+       u64 off;
+
+       /* in case of ubi partition, erase rest of the partition */
+       if (dfu->data.nand.ubi) {
+               struct mtd_info *mtd = get_nand_dev_by_index(nand_curr_device);
+               nand_erase_options_t opts;
+
+               if (nand_curr_device < 0 ||
+                   nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
+                   !mtd) {
+                       printf("%s: invalid nand device\n", __func__);
+                       return -1;
+               }
+
+               memset(&opts, 0, sizeof(opts));
+               off = dfu->offset;
+               if ((off & (mtd->erasesize - 1)) != 0) {
+                       /*
+                        * last write ended with unaligned length
+                        * sector is erased, jump to next
+                        */
+                       off = off & ~((mtd->erasesize - 1));
+                       off += mtd->erasesize;
+               }
+               opts.offset = dfu->data.nand.start + off +
+                               dfu->bad_skip;
+               opts.length = dfu->data.nand.start +
+                               dfu->data.nand.size - opts.offset;
+               ret = nand_erase_opts(mtd, &opts);
+               if (ret != 0)
+                       printf("Failure erase: %d\n", ret);
+       }
+
+       return ret;
+}
+
+unsigned int dfu_polltimeout_nand(struct dfu_entity *dfu)
+{
+       /*
+        * Currently, Poll Timeout != 0 is only needed on nand
+        * ubi partition, as the not used sectors need an erase
+        */
+       if (dfu->data.nand.ubi)
+               return DFU_MANIFEST_POLL_TIMEOUT;
+
+       return DFU_DEFAULT_POLL_TIMEOUT;
+}
+
+int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s)
 {
        char *st;
        int ret, dev, part;
 
+       dfu->data.nand.ubi = 0;
        dfu->dev_type = DFU_DEV_NAND;
        st = strsep(&s, " ");
        if (!strcmp(st, "raw")) {
@@ -148,7 +201,7 @@ int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
                dfu->data.nand.start = simple_strtoul(s, &s, 16);
                s++;
                dfu->data.nand.size = simple_strtoul(s, &s, 16);
-       } else if (!strcmp(st, "part")) {
+       } else if ((!strcmp(st, "part")) || (!strcmp(st, "partubi"))) {
                char mtd_id[32];
                struct mtd_device *mtd_dev;
                u8 part_num;
@@ -173,14 +226,18 @@ int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
 
                dfu->data.nand.start = pi->offset;
                dfu->data.nand.size = pi->size;
-
+               if (!strcmp(st, "partubi"))
+                       dfu->data.nand.ubi = 1;
        } else {
                printf("%s: Memory layout (%s) not supported!\n", __func__, st);
                return -1;
        }
 
+       dfu->get_medium_size = dfu_get_medium_size_nand;
        dfu->read_medium = dfu_read_medium_nand;
        dfu->write_medium = dfu_write_medium_nand;
+       dfu->flush_medium = dfu_flush_medium_nand;
+       dfu->poll_timeout = dfu_polltimeout_nand;
 
        /* initial state */
        dfu->inited = 0;