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path: root/drivers/mtd/nand
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Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/mxs_nand.c54
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index 6bd3cb12f9..bb40237362 100644
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -1237,31 +1237,21 @@ int mxs_nand_init_spl(struct nand_chip *nand)
return 0;
}
-void board_nand_init(void)
+int mxs_nand_init(struct mxs_nand_info *nand_info)
{
struct mtd_info *mtd;
- struct mxs_nand_info *nand_info;
struct nand_chip *nand;
int err;
- nand_info = malloc(sizeof(struct mxs_nand_info));
- if (!nand_info) {
- printf("MXS NAND: Failed to allocate private data\n");
- return;
- }
- memset(nand_info, 0, sizeof(struct mxs_nand_info));
-
- nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
- nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
nand = &nand_info->chip;
mtd = nand_to_mtd(nand);
err = mxs_nand_alloc_buffers(nand_info);
if (err)
- goto err1;
+ return err;
err = mxs_nand_init_dma(nand_info);
if (err)
- goto err2;
+ goto err_free_buffers;
memset(&fake_ecc_layout, 0, sizeof(fake_ecc_layout));
@@ -1285,10 +1275,10 @@ void board_nand_init(void)
/* first scan to find the device and get the page size */
if (nand_scan_ident(mtd, CONFIG_SYS_MAX_NAND_DEVICE, NULL))
- goto err2;
+ goto err_free_buffers;
if (mxs_nand_setup_ecc(mtd))
- goto err2;
+ goto err_free_buffers;
nand->ecc.read_page = mxs_nand_ecc_read_page;
nand->ecc.write_page = mxs_nand_ecc_write_page;
@@ -1303,18 +1293,40 @@ void board_nand_init(void)
/* second phase scan */
err = nand_scan_tail(mtd);
if (err)
- goto err2;
+ goto err_free_buffers;
err = nand_register(0, mtd);
if (err)
- goto err2;
+ goto err_free_buffers;
- return;
+ return 0;
-err2:
+err_free_buffers:
free(nand_info->data_buf);
free(nand_info->cmd_buf);
-err1:
- free(nand_info);
+
+ return err;
+}
+
+void board_nand_init(void)
+{
+ struct mxs_nand_info *nand_info;
+
+ nand_info = malloc(sizeof(struct mxs_nand_info));
+ if (!nand_info) {
+ printf("MXS NAND: Failed to allocate private data\n");
+ return;
+ }
+ memset(nand_info, 0, sizeof(struct mxs_nand_info));
+
+ nand_info->gpmi_regs = (struct mxs_gpmi_regs *)MXS_GPMI_BASE;
+ nand_info->bch_regs = (struct mxs_bch_regs *)MXS_BCH_BASE;
+
+ if (mxs_nand_init(nand_info) < 0)
+ goto err;
+
return;
+
+err:
+ free(nand_info);
}