Merge branch 'master' of git://git.denx.de/u-boot-usb

[karo-tx-uboot.git] / drivers / block / fsl_sata.c

diff --git a/drivers/block/fsl_sata.c b/drivers/block/fsl_sata.c
index ed4647f8370ea43baf99a13b0e37662a89df537c..71d7cec7bdd2256877105555b9e4904b1438cc93 100644 (file)
--- a/drivers/block/fsl_sata.c
+++ b/drivers/block/fsl_sata.c
@@ -2,20 +2,7 @@
  * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
  *             Dave Liu <daveliu@freescale.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -26,10 +13,9 @@
 #include <malloc.h>
 #include <libata.h>
 #include <fis.h>
+#include <sata.h>
 #include "fsl_sata.h"
 
-extern block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
-
 #ifndef CONFIG_SYS_SATA1_FLAGS
        #define CONFIG_SYS_SATA1_FLAGS  FLAGS_DMA
 #endif
@@ -57,25 +43,6 @@ static inline void sdelay(unsigned long sec)
                mdelay(1000);
 }
 
-void dprint_buffer(unsigned char *buf, int len)
-{
-       int i, j;
-
-       i = 0;
-       j = 0;
-       printf("\n\r");
-
-       for (i = 0; i < len; i++) {
-               printf("%02x ", *buf++);
-               j++;
-               if (j == 16) {
-                       printf("\n\r");
-                       j = 0;
-               }
-       }
-       printf("\n\r");
-}
-
 static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
 {
        printf("Status FIS dump:\n\r");
@@ -95,7 +62,7 @@ static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
        printf("sector_count_exp:       %02x\n\r", s->sector_count_exp);
 }
 
-static int ata_wait_register(volatile unsigned *addr, u32 mask,
+static int ata_wait_register(unsigned __iomem *addr, u32 mask,
                         u32 val, u32 timeout_msec)
 {
        int i;
@@ -113,7 +80,7 @@ int init_sata(int dev)
        cmd_hdr_tbl_t *cmd_hdr;
        u32 cda;
        u32 val32;
-       fsl_sata_reg_t *reg;
+       fsl_sata_reg_t __iomem *reg;
        u32 sig;
        int i;
        fsl_sata_t *sata;
@@ -288,42 +255,12 @@ int init_sata(int dev)
        return 0;
 }
 
-/* Hardware reset, like Power-on and COMRESET */
-void fsl_sata_hardware_reset(u32 reg_base)
+int reset_sata(int dev)
 {
-       fsl_sata_reg_t *reg = (fsl_sata_reg_t *)reg_base;
-       u32 scontrol;
-
-       /* Disable the SATA interface and put PHY offline */
-       scontrol = in_le32(&reg->scontrol);
-       scontrol = (scontrol & 0x0f0) | 0x304;
-       out_le32(&reg->scontrol, scontrol);
-
-       /* No speed strict */
-       scontrol = in_le32(&reg->scontrol);
-       scontrol = scontrol & ~0x0f0;
-       out_le32(&reg->scontrol, scontrol);
-
-       /* Issue PHY wake/reset, Hardware_reset_asserted */
-       scontrol = in_le32(&reg->scontrol);
-       scontrol = (scontrol & 0x0f0) | 0x301;
-       out_le32(&reg->scontrol, scontrol);
-
-       mdelay(100);
-
-       /* Resume PHY, COMRESET negated, the device initialize hardware
-        * and execute diagnostics, send good status-signature to host,
-        * which is D2H register FIS, and then the device enter idle state.
-        */
-       scontrol = in_le32(&reg->scontrol);
-       scontrol = (scontrol & 0x0f0) | 0x300;
-       out_le32(&reg->scontrol, scontrol);
-
-       mdelay(100);
-       return;
+       return 0;
 }
 
-static void fsl_sata_dump_regs(fsl_sata_reg_t *reg)
+static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
 {
        printf("\n\rSATA:           %08x\n\r", (u32)reg);
        printf("CQR:            %08x\n\r", in_le32(&reg->cqr));
@@ -364,7 +301,7 @@ static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis
        u32 prde_count;
        u32 val32;
        u32 ttl;
-       fsl_sata_reg_t *reg = sata->reg_base;
+       fsl_sata_reg_t __iomem *reg = sata->reg_base;
        int i;
 
        /* Check xfer length */
@@ -621,7 +558,7 @@ static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_wr
        return blkcnt;
 }
 
-void fsl_sata_flush_cache(int dev)
+static void fsl_sata_flush_cache(int dev)
 {
        fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
        struct sata_fis_h2d h2d, *cfis = &h2d;
@@ -665,7 +602,8 @@ static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int i
        return blkcnt;
 }
 
-u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
+static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
+                              int is_write)
 {
        fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
        struct sata_fis_h2d h2d, *cfis = &h2d;
@@ -708,7 +646,7 @@ u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write
        return blkcnt;
 }
 
-void fsl_sata_flush_cache_ext(int dev)
+static void fsl_sata_flush_cache_ext(int dev)
 {
        fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
        struct sata_fis_h2d h2d, *cfis = &h2d;
@@ -722,12 +660,6 @@ void fsl_sata_flush_cache_ext(int dev)
        fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
 }
 
-/* Software reset, set SRST of the Device Control register */
-void fsl_sata_software_reset(int dev)
-{
-       return;
-}
-
 static void fsl_sata_init_wcache(int dev, u16 *id)
 {
        fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
@@ -758,7 +690,7 @@ static int fsl_sata_get_flush_ext(int dev)
        return sata->flush_ext;
 }
 
-u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
+static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
                const void *buffer, int is_write)
 {
        u32 start, blks;
@@ -793,8 +725,8 @@ u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
        return blkcnt;
 }
 
-u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, const void *buffer,
-               int is_write)
+static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
+                                 const void *buffer, int is_write)
 {
        u32 start, blks;
        u8 *addr;