mtd: nand: mxs_nand: introduce SPL specific init

[u-boot] / drivers / mtd / nand / mxs_nand.c

diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index b9ffa7cbae0f2c72b8732315a2e10fd387c2eed1..5b7ad18c4277944df59aaeca376f16897ea1cd90 100644 (file)
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -25,6 +25,7 @@
 #include <asm/mach-imx/regs-gpmi.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/dma.h>
+#include "mxs_nand.h"
 
 #define        MXS_NAND_DMA_DESCRIPTOR_COUNT           4
 
@@ -1149,6 +1150,48 @@ err1:
        return ret;
 }
 
+int mxs_nand_init_spl(struct nand_chip *nand)
+{
+       struct mxs_nand_info *nand_info;
+       int err;
+
+       nand_info = malloc(sizeof(struct mxs_nand_info));
+       if (!nand_info) {
+               printf("MXS NAND: Failed to allocate private data\n");
+               return -ENOMEM;
+       }
+       memset(nand_info, 0, sizeof(struct mxs_nand_info));
+
+       err = mxs_nand_alloc_buffers(nand_info);
+       if (err)
+               return err;
+
+       err = mxs_nand_init(nand_info);
+       if (err)
+               return err;
+
+       nand_set_controller_data(nand, nand_info);
+
+       nand->options |= NAND_NO_SUBPAGE_WRITE;
+
+       nand->cmd_ctrl          = mxs_nand_cmd_ctrl;
+       nand->dev_ready         = mxs_nand_device_ready;
+       nand->select_chip       = mxs_nand_select_chip;
+       nand->scan_bbt          = mxs_nand_scan_bbt;
+
+       nand->read_byte         = mxs_nand_read_byte;
+       nand->read_buf          = mxs_nand_read_buf;
+
+       nand->ecc.read_page     = mxs_nand_ecc_read_page;
+
+       nand->ecc.mode          = NAND_ECC_HW;
+       nand->ecc.bytes         = 9;
+       nand->ecc.size          = 512;
+       nand->ecc.strength      = 8;
+
+       return 0;
+}
+
 /*!
  * This function is called during the driver binding process.
  *