diff options
| author | Tom Rini <trini@konsulko.com> | 2019-01-01 09:56:41 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-01-01 10:01:00 -0500 |
| commit | 522e035441ca04d99de2fc13b614ad896691e9c9 (patch) | |
| tree | 875c0923d24447550db43f6f1b767dea82dccb06 /drivers/mtd/nand | |
| parent | 08337cd64832ed7f8147da75013510b92bbcd188 (diff) | |
| parent | 57d2beb91d705bccdfee5e9e5fd267f5e363a100 (diff) | |
Merge tag 'u-boot-imx-20190101' of git://www.denx.de/git/u-boot-imx
imx for 2019.01
- introduce support for i.MX8M
- fix size limit for Vhybrid / pico boards
- several board fixes
- w1 driver for MX2x / MX5x
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/raw/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/vf610_nfc.c | 49 |
2 files changed, 59 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 008f7b4b4b..fd1723feda 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -88,6 +88,15 @@ config NAND_VF610_NFC The driver supports a maximum 2k page size. The driver currently does not support hardware ECC. +if NAND_VF610_NFC + +config NAND_VF610_NFC_DT + bool "Support Vybrid's vf610 NAND controller as a DT device" + depends on OF_CONTROL && MTD + help + Enable the driver for Vybrid's vf610 NAND flash on platforms + using device tree. + choice prompt "Hardware ECC strength" depends on NAND_VF610_NFC @@ -103,6 +112,8 @@ config SYS_NAND_VF610_NFC_60_ECC_BYTES endchoice +endif + config NAND_PXA3XX bool "Support for NAND on PXA3xx and Armada 370/XP/38x" select SYS_NAND_SELF_INIT diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c index 619d0403e9..3326c2b096 100644 --- a/drivers/mtd/nand/raw/vf610_nfc.c +++ b/drivers/mtd/nand/raw/vf610_nfc.c @@ -31,6 +31,11 @@ #include <nand.h> #include <errno.h> #include <asm/io.h> +#if CONFIG_NAND_VF610_NFC_DT +#include <dm.h> +#include <linux/io.h> +#include <linux/ioport.h> +#endif /* Register Offsets */ #define NFC_FLASH_CMD1 0x3F00 @@ -641,7 +646,7 @@ static int vf610_nfc_nand_init(int devnum, void __iomem *addr) .flash_bbt = 1, }; - nfc = malloc(sizeof(*nfc)); + nfc = calloc(1, sizeof(*nfc)); if (!nfc) { printf(KERN_ERR "%s: Memory exhausted!\n", __func__); return -ENOMEM; @@ -760,9 +765,51 @@ error: return err; } +#if CONFIG_NAND_VF610_NFC_DT +static const struct udevice_id vf610_nfc_dt_ids[] = { + { + .compatible = "fsl,vf610-nfc", + }, + { /* sentinel */ } +}; + +static int vf610_nfc_dt_probe(struct udevice *dev) +{ + struct resource res; + int ret; + + ret = dev_read_resource(dev, 0, &res); + if (ret) + return ret; + + return vf610_nfc_nand_init(0, devm_ioremap(dev, res.start, + resource_size(&res))); +} + +U_BOOT_DRIVER(vf610_nfc_dt) = { + .name = "vf610-nfc-dt", + .id = UCLASS_MTD, + .of_match = vf610_nfc_dt_ids, + .probe = vf610_nfc_dt_probe, +}; + +void board_nand_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_driver(UCLASS_MTD, + DM_GET_DRIVER(vf610_nfc_dt), + &dev); + if (ret && ret != -ENODEV) + pr_err("Failed to initialize NAND controller. (error %d)\n", + ret); +} +#else void board_nand_init(void) { int err = vf610_nfc_nand_init(0, (void __iomem *)CONFIG_SYS_NAND_BASE); if (err) printf("VF610 NAND init failed (err %d)\n", err); } +#endif /* CONFIG_NAND_VF610_NFC_DT */ |