This adds reset handling to the devicetree-enabled Denali NAND driver.
For backwards compatibility, only a warning is printed when failing to
get reset handles.
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
#include <linux/bitops.h>
#include <linux/mtd/rawnand.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/mtd/rawnand.h>
#include <linux/types.h>
#define DEVICE_RESET 0x0
#define DEVICE_RESET__BANK(bank) BIT(bank)
#define DEVICE_RESET 0x0
#define DEVICE_RESET__BANK(bank) BIT(bank)
void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data);
void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr,
int page, int write);
void (*host_write)(struct denali_nand_info *denali, u32 addr, u32 data);
void (*setup_dma)(struct denali_nand_info *denali, dma_addr_t dma_addr,
int page, int write);
+ struct reset_ctl_bulk resets;
};
#define DENALI_CAP_HW_ECC_FIXUP BIT(0)
};
#define DENALI_CAP_HW_ECC_FIXUP BIT(0)
denali->clk_x_rate = 200000000;
}
denali->clk_x_rate = 200000000;
}
+ ret = reset_get_bulk(dev, &denali->resets);
+ if (ret)
+ dev_warn(dev, "Can't get reset: %d\n", ret);
+ else
+ reset_deassert_bulk(&denali->resets);
+
return denali_init(denali);
}
return denali_init(denali);
}
+static int denali_dt_remove(struct udevice *dev)
+{
+ struct denali_nand_info *denali = dev_get_priv(dev);
+
+ return reset_release_bulk(&denali->resets);
+}
+
U_BOOT_DRIVER(denali_nand_dt) = {
.name = "denali-nand-dt",
.id = UCLASS_MISC,
.of_match = denali_nand_dt_ids,
.probe = denali_dt_probe,
.priv_auto_alloc_size = sizeof(struct denali_nand_info),
U_BOOT_DRIVER(denali_nand_dt) = {
.name = "denali-nand-dt",
.id = UCLASS_MISC,
.of_match = denali_nand_dt_ids,
.probe = denali_dt_probe,
.priv_auto_alloc_size = sizeof(struct denali_nand_info),
+ .remove = denali_dt_remove,
+ .flags = DM_FLAG_OS_PREPARE,
};
void board_nand_init(void)
};
void board_nand_init(void)