From 3b1328a0ad7624f7e7bd803d0709c7c2fd13fc46 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Fri, 22 Jun 2018 18:06:14 +0200 Subject: [PATCH] mtd: nand: mxs_nand: separate board/controller init In preparation for device tree support separate board init from controller init similar to other raw NAND drivers. Signed-off-by: Stefan Agner --- drivers/mtd/nand/mxs_nand.c | 54 ++++++++++++++++++++++--------------- 1 file 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); } -- 2.39.5