driver/ifc:Change accessor function to take care of endianness
[oweals/u-boot.git] / drivers / mtd / nand / fsl_ifc_spl.c
index d4622653fa0f28c939c44d894e8fd5b4829e54c0..2f82f7c5c61cc0fef72969408c79e4eec8a863a7 100644 (file)
@@ -9,7 +9,7 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/fsl_ifc.h>
+#include <fsl_ifc.h>
 #include <linux/mtd/nand.h>
 
 static inline int is_blank(uchar *addr, int page_size)
@@ -60,7 +60,7 @@ static inline void nand_wait(uchar *buf, int bufnum, int page_size)
        bufnum_end = bufnum + bufperpage - 1;
 
        do {
-               status = in_be32(&ifc->ifc_nand.nand_evter_stat);
+               status = ifc_in32(&ifc->ifc_nand.nand_evter_stat);
        } while (!(status & IFC_NAND_EVTER_STAT_OPC));
 
        if (status & IFC_NAND_EVTER_STAT_FTOER) {
@@ -70,14 +70,14 @@ static inline void nand_wait(uchar *buf, int bufnum, int page_size)
        }
 
        for (i = bufnum / 4; i <= bufnum_end / 4; i++)
-               eccstat[i] = in_be32(&ifc->ifc_nand.nand_eccstat[i]);
+               eccstat[i] = ifc_in32(&ifc->ifc_nand.nand_eccstat[i]);
 
        for (i = bufnum; i <= bufnum_end; i++) {
                if (check_read_ecc(buf, eccstat, i, page_size))
                        break;
        }
 
-       out_be32(&ifc->ifc_nand.nand_evter_stat, status);
+       ifc_out32(&ifc->ifc_nand.nand_evter_stat, status);
 }
 
 static inline int bad_block(uchar *marker, int port_size)
@@ -88,7 +88,11 @@ static inline int bad_block(uchar *marker, int port_size)
                return __raw_readw((u16 *)marker) != 0xffff;
 }
 
-static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
+#ifdef CONFIG_TPL_BUILD
+int nand_spl_load_image(uint32_t offs, unsigned int uboot_size, void *vdst)
+#else
+static int nand_load(uint32_t offs, unsigned int uboot_size, void *vdst)
+#endif
 {
        struct fsl_ifc *ifc = IFC_BASE_ADDR;
        uchar *buf = (uchar *)CONFIG_SYS_NAND_BASE;
@@ -105,6 +109,7 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
 
        int sram_addr;
        int pg_no;
+       uchar *dst = vdst;
 
        /* Get NAND Flash configuration */
        csor = CONFIG_SYS_NAND_CSOR;
@@ -112,10 +117,13 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
 
        port_size = (cspr & CSPR_PORT_SIZE_16) ? 16 : 8;
 
-       if (csor & CSOR_NAND_PGS_4K) {
+       if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_8K) {
+               page_size = 8192;
+               bufnum_mask = 0x0;
+       } else if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_4K) {
                page_size = 4096;
                bufnum_mask = 0x1;
-       } else if (csor & CSOR_NAND_PGS_2K) {
+       } else if ((csor & CSOR_NAND_PGS_MASK) == CSOR_NAND_PGS_2K) {
                page_size = 2048;
                bufnum_mask = 0x3;
        } else {
@@ -132,38 +140,38 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
        blk_size = pages_per_blk * page_size;
 
        /* Open Full SRAM mapping for spare are access */
-       out_be32(&ifc->ifc_nand.ncfgr, 0x0);
+       ifc_out32(&ifc->ifc_nand.ncfgr, 0x0);
 
        /* Clear Boot events */
-       out_be32(&ifc->ifc_nand.nand_evter_stat, 0xffffffff);
+       ifc_out32(&ifc->ifc_nand.nand_evter_stat, 0xffffffff);
 
        /* Program FIR/FCR for Large/Small page */
        if (page_size > 512) {
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                        (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                        (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                        (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
-                        (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP3_SHIFT) |
-                        (IFC_FIR_OP_BTRD << IFC_NAND_FIR0_OP4_SHIFT));
-               out_be32(&ifc->ifc_nand.nand_fir1, 0x0);
-
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                        (NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT) |
-                        (NAND_CMD_READSTART << IFC_NAND_FCR0_CMD1_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (IFC_FIR_OP_RA0 << IFC_NAND_FIR0_OP2_SHIFT) |
+                         (IFC_FIR_OP_CMD1 << IFC_NAND_FIR0_OP3_SHIFT) |
+                         (IFC_FIR_OP_BTRD << IFC_NAND_FIR0_OP4_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir1, 0x0);
+
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         (NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT) |
+                         (NAND_CMD_READSTART << IFC_NAND_FCR0_CMD1_SHIFT));
        } else {
-               out_be32(&ifc->ifc_nand.nand_fir0,
-                        (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
-                        (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
-                        (IFC_FIR_OP_RA0  << IFC_NAND_FIR0_OP2_SHIFT) |
-                        (IFC_FIR_OP_BTRD << IFC_NAND_FIR0_OP3_SHIFT));
-               out_be32(&ifc->ifc_nand.nand_fir1, 0x0);
-
-               out_be32(&ifc->ifc_nand.nand_fcr0,
-                        NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT);
+               ifc_out32(&ifc->ifc_nand.nand_fir0,
+                         (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) |
+                         (IFC_FIR_OP_CA0 << IFC_NAND_FIR0_OP1_SHIFT) |
+                         (IFC_FIR_OP_RA0  << IFC_NAND_FIR0_OP2_SHIFT) |
+                         (IFC_FIR_OP_BTRD << IFC_NAND_FIR0_OP3_SHIFT));
+               ifc_out32(&ifc->ifc_nand.nand_fir1, 0x0);
+
+               ifc_out32(&ifc->ifc_nand.nand_fcr0,
+                         NAND_CMD_READ0 << IFC_NAND_FCR0_CMD0_SHIFT);
        }
 
        /* Program FBCR = 0 for full page read */
-       out_be32(&ifc->ifc_nand.nand_fbcr, 0);
+       ifc_out32(&ifc->ifc_nand.nand_fbcr, 0);
 
        /* Read and copy u-boot on SDRAM from NAND device, In parallel
         * check for Bad block if found skip it and read continue to
@@ -176,11 +184,11 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
                        bufnum = pg_no & bufnum_mask;
                        sram_addr = bufnum * page_size * 2;
 
-                       out_be32(&ifc->ifc_nand.row0, pg_no);
-                       out_be32(&ifc->ifc_nand.col0, 0);
+                       ifc_out32(&ifc->ifc_nand.row0, pg_no);
+                       ifc_out32(&ifc->ifc_nand.col0, 0);
                        /* start read */
-                       out_be32(&ifc->ifc_nand.nandseq_strt,
-                                IFC_NAND_SEQ_STRT_FIR_STRT);
+                       ifc_out32(&ifc->ifc_nand.nandseq_strt,
+                                 IFC_NAND_SEQ_STRT_FIR_STRT);
 
                        /* wait for read to complete */
                        nand_wait(&buf[sram_addr], bufnum, page_size);
@@ -205,8 +213,19 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
                        offs += page_size;
                } while ((offs & (blk_size - 1)) && (pos < uboot_size));
        }
+
+       return 0;
 }
 
+/*
+ * Defines a static function nand_load_image() here, because non-static makes
+ * the code too large for certain SPLs(minimal SPL, maximum size <= 4Kbytes)
+ */
+#ifndef CONFIG_TPL_BUILD
+#define nand_spl_load_image(offs, uboot_size, vdst) \
+       nand_load(offs, uboot_size, vdst)
+#endif
+
 /*
  * Main entrypoint for NAND Boot. It's necessary that SDRAM is already
  * configured and available since this code loads the main U-boot image
@@ -218,16 +237,17 @@ void nand_boot(void)
        /*
         * Load U-Boot image from NAND into RAM
         */
-       nand_load(CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
-                 (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
+       nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+                           CONFIG_SYS_NAND_U_BOOT_SIZE,
+                           (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
 
 #ifdef CONFIG_NAND_ENV_DST
-       nand_load(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
-                 (uchar *)CONFIG_NAND_ENV_DST);
+       nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+                           (uchar *)CONFIG_NAND_ENV_DST);
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
-       nand_load(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
-                 (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
+       nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
+                           (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
 #endif
 #endif
        /*