diff options
Diffstat (limited to 'drivers/mtd/nand/raw/omap_elm.c')
| -rw-r--r-- | drivers/mtd/nand/raw/omap_elm.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/omap_elm.c b/drivers/mtd/nand/raw/omap_elm.c index 35c6dd1f1b..35a066df41 100644 --- a/drivers/mtd/nand/raw/omap_elm.c +++ b/drivers/mtd/nand/raw/omap_elm.c @@ -15,9 +15,14 @@ #include <common.h> #include <asm/io.h> #include <linux/errno.h> -#include <linux/mtd/omap_elm.h> #include <asm/arch/hardware.h> +#include <dm.h> +#include <linux/ioport.h> +#include <linux/io.h> + +#include "omap_elm.h" + #define DRIVER_NAME "omap-elm" #define ELM_DEFAULT_POLY (0) @@ -180,6 +185,7 @@ void elm_reset(void) ; } +#ifdef ELM_BASE /** * elm_init - Initialize ELM module * @@ -191,3 +197,32 @@ void elm_init(void) elm_cfg = (struct elm *)ELM_BASE; elm_reset(); } +#endif + +#ifdef CONFIG_SYS_NAND_SELF_INIT +static int elm_probe(struct udevice *dev) +{ +#ifndef ELM_BASE + struct resource res; + + dev_read_resource(dev, 0, &res); + elm_cfg = devm_ioremap(dev, res.start, resource_size(&res)); + elm_reset(); +#endif + + return 0; +} + +static const struct udevice_id elm_ids[] = { + { .compatible = "ti,am3352-elm" }, + { .compatible = "ti,am64-elm" }, + { } +}; + +U_BOOT_DRIVER(gpmc_elm) = { + .name = DRIVER_NAME, + .id = UCLASS_MTD, + .of_match = elm_ids, + .probe = elm_probe, +}; +#endif /* CONFIG_SYS_NAND_SELF_INIT */ |