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@@ -1,7 +1,8 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
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- * Dave Liu <daveliu@freescale.com>
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+ * Copyright 2019 NXP
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+ * Author: Dave Liu <daveliu@freescale.com>
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*/
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#include <common.h>
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@@ -16,6 +17,11 @@
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#include <sata.h>
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#include "fsl_sata.h"
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+#if CONFIG_IS_ENABLED(BLK)
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+#include <dm.h>
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+#include <ahci.h>
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+#include <blk.h>
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+#else
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#ifndef CONFIG_SYS_SATA1_FLAGS
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#define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA
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#endif
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@@ -35,6 +41,7 @@ static struct fsl_sata_info fsl_sata_info[] = {
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{0, 0},
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#endif
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};
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+#endif
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static inline void sdelay(unsigned long sec)
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{
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@@ -74,7 +81,11 @@ static int ata_wait_register(unsigned __iomem *addr, u32 mask,
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return (i < timeout_msec) ? 0 : -1;
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}
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+#if !CONFIG_IS_ENABLED(BLK)
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int init_sata(int dev)
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+#else
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+static int init_sata(struct fsl_ata_priv *priv, int dev)
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+#endif
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{
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u32 length, align;
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cmd_hdr_tbl_t *cmd_hdr;
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@@ -110,13 +121,18 @@ int init_sata(int dev)
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/* Zero all of the device driver struct */
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memset((void *)sata, 0, sizeof(fsl_sata_t));
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- /* Save the private struct to block device struct */
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- sata_dev_desc[dev].priv = (void *)sata;
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-
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- snprintf(sata->name, 12, "SATA%d", dev);
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+ snprintf(sata->name, 12, "SATA%d:\n", dev);
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/* Set the controller register base address to device struct */
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+#if !CONFIG_IS_ENABLED(BLK)
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+ sata_dev_desc[dev].priv = (void *)sata;
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reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
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+ sata->dma_flag = fsl_sata_info[dev].flags;
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+#else
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+ reg = (fsl_sata_reg_t *)(priv->base + priv->offset * dev);
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+ sata->dma_flag = priv->flag;
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+ priv->fsl_sata = sata;
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+#endif
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sata->reg_base = reg;
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/* Allocate the command header table, 4 bytes aligned */
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@@ -479,34 +495,16 @@ static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
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return -1;
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}
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-static void fsl_sata_identify(int dev, u16 *id)
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-{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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- struct sata_fis_h2d h2d, *cfis = &h2d;
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-
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- memset(cfis, 0, sizeof(struct sata_fis_h2d));
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-
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- cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
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- cfis->pm_port_c = 0x80; /* is command */
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- cfis->command = ATA_CMD_ID_ATA;
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-
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- fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
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- ata_swap_buf_le16(id, ATA_ID_WORDS);
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-}
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-
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-static void fsl_sata_xfer_mode(int dev, u16 *id)
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+static void fsl_sata_xfer_mode(fsl_sata_t *sata, u16 *id)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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-
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sata->pio = id[ATA_ID_PIO_MODES];
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sata->mwdma = id[ATA_ID_MWDMA_MODES];
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sata->udma = id[ATA_ID_UDMA_MODES];
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debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
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}
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-static void fsl_sata_set_features(int dev)
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+static void fsl_sata_set_features(fsl_sata_t *sata)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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u8 udma_cap;
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@@ -533,9 +531,9 @@ static void fsl_sata_set_features(int dev)
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fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
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}
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-static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
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+static u32 fsl_sata_rw_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt, u8 *buffer,
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+ int is_write)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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u32 block;
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@@ -558,9 +556,8 @@ static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_wr
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return blkcnt;
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}
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-static void fsl_sata_flush_cache(int dev)
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+static void fsl_sata_flush_cache(fsl_sata_t *sata)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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memset(cfis, 0, sizeof(struct sata_fis_h2d));
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@@ -572,9 +569,9 @@ static void fsl_sata_flush_cache(int dev)
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fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
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}
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-static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
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+static u32 fsl_sata_rw_cmd_ext(fsl_sata_t *sata, u32 start, u32 blkcnt,
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+ u8 *buffer, int is_write)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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u64 block;
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@@ -602,10 +599,9 @@ static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int i
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return blkcnt;
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}
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-static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
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- int is_write)
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+static u32 fsl_sata_rw_ncq_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt,
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+ u8 *buffer, int is_write)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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int ncq_channel;
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u64 block;
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@@ -646,9 +642,8 @@ static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
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return blkcnt;
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}
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-static void fsl_sata_flush_cache_ext(int dev)
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+static void fsl_sata_flush_cache_ext(fsl_sata_t *sata)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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struct sata_fis_h2d h2d, *cfis = &h2d;
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memset(cfis, 0, sizeof(struct sata_fis_h2d));
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@@ -660,10 +655,8 @@ static void fsl_sata_flush_cache_ext(int dev)
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fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
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}
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-static void fsl_sata_init_wcache(int dev, u16 *id)
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+static void fsl_sata_init_wcache(fsl_sata_t *sata, u16 *id)
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{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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-
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if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
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sata->wcache = 1;
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if (ata_id_has_flush(id))
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@@ -672,26 +665,8 @@ static void fsl_sata_init_wcache(int dev, u16 *id)
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sata->flush_ext = 1;
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}
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-static int fsl_sata_get_wcache(int dev)
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-{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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- return sata->wcache;
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-}
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-
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-static int fsl_sata_get_flush(int dev)
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-{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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- return sata->flush;
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-}
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-
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-static int fsl_sata_get_flush_ext(int dev)
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-{
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- fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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- return sata->flush_ext;
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-}
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-
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-static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
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- const void *buffer, int is_write)
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+static u32 ata_low_level_rw_lba48(fsl_sata_t *sata, u32 blknr, lbaint_t blkcnt,
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+ const void *buffer, int is_write)
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{
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u32 start, blks;
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u8 *addr;
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@@ -704,18 +679,22 @@ static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
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max_blks = ATA_MAX_SECTORS_LBA48;
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do {
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if (blks > max_blks) {
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- if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
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- fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
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+ if (sata->dma_flag != FLAGS_FPDMA)
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+ fsl_sata_rw_cmd_ext(sata, start, max_blks, addr,
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+ is_write);
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else
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- fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
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+ fsl_sata_rw_ncq_cmd(sata, start, max_blks, addr,
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+ is_write);
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start += max_blks;
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blks -= max_blks;
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addr += ATA_SECT_SIZE * max_blks;
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} else {
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- if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
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- fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
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+ if (sata->dma_flag != FLAGS_FPDMA)
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+ fsl_sata_rw_cmd_ext(sata, start, blks, addr,
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+ is_write);
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else
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- fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
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+ fsl_sata_rw_ncq_cmd(sata, start, blks, addr,
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+ is_write);
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start += blks;
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blks = 0;
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addr += ATA_SECT_SIZE * blks;
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@@ -725,7 +704,7 @@ static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
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return blkcnt;
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}
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-static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
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+static u32 ata_low_level_rw_lba28(fsl_sata_t *sata, u32 blknr, u32 blkcnt,
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const void *buffer, int is_write)
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{
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u32 start, blks;
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@@ -739,12 +718,12 @@ static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
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max_blks = ATA_MAX_SECTORS;
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do {
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if (blks > max_blks) {
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- fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write);
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+ fsl_sata_rw_cmd(sata, start, max_blks, addr, is_write);
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start += max_blks;
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blks -= max_blks;
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addr += ATA_SECT_SIZE * max_blks;
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} else {
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- fsl_sata_rw_cmd(dev, start, blks, addr, is_write);
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+ fsl_sata_rw_cmd(sata, start, blks, addr, is_write);
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start += blks;
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blks = 0;
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addr += ATA_SECT_SIZE * blks;
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@@ -757,38 +736,81 @@ static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
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/*
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* SATA interface between low level driver and command layer
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*/
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+#if !CONFIG_IS_ENABLED(BLK)
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ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
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{
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- u32 rc;
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fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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+#else
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+static ulong sata_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
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+ void *buffer)
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+{
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+ struct fsl_ata_priv *priv = dev_get_platdata(dev);
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+ fsl_sata_t *sata = priv->fsl_sata;
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+#endif
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+ u32 rc;
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if (sata->lba48)
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- rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
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+ rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
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+ READ_CMD);
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else
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- rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
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+ rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
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+ READ_CMD);
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return rc;
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}
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+#if !CONFIG_IS_ENABLED(BLK)
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ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
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{
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- u32 rc;
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fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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+#else
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+static ulong sata_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
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+ const void *buffer)
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+{
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+ struct fsl_ata_priv *priv = dev_get_platdata(dev);
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+ fsl_sata_t *sata = priv->fsl_sata;
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+#endif
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+ u32 rc;
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if (sata->lba48) {
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- rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
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- if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
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- fsl_sata_flush_cache_ext(dev);
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+ rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
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+ WRITE_CMD);
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+ if (sata->wcache && sata->flush_ext)
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+ fsl_sata_flush_cache_ext(sata);
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} else {
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- rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
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- if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
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- fsl_sata_flush_cache(dev);
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+ rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
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+ WRITE_CMD);
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+ if (sata->wcache && sata->flush)
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+ fsl_sata_flush_cache(sata);
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}
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return rc;
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}
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+static void fsl_sata_identify(fsl_sata_t *sata, u16 *id)
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+{
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+ struct sata_fis_h2d h2d, *cfis = &h2d;
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+
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+ memset(cfis, 0, sizeof(struct sata_fis_h2d));
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+
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+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
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+ cfis->pm_port_c = 0x80; /* is command */
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+ cfis->command = ATA_CMD_ID_ATA;
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+
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+ fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
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+ ata_swap_buf_le16(id, ATA_ID_WORDS);
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+}
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+
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+#if !CONFIG_IS_ENABLED(BLK)
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int scan_sata(int dev)
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{
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fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
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+#else
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+static int scan_sata(struct udevice *dev)
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+{
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+ struct blk_desc *desc = dev_get_uclass_platdata(dev);
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+ struct fsl_ata_priv *priv = dev_get_platdata(dev);
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+ fsl_sata_t *sata = priv->fsl_sata;
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+#endif
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+
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unsigned char serial[ATA_ID_SERNO_LEN + 1];
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unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
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unsigned char product[ATA_ID_PROD_LEN + 1];
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@@ -806,23 +828,19 @@ int scan_sata(int dev)
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}
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/* Identify device to get information */
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- fsl_sata_identify(dev, id);
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+ fsl_sata_identify(sata, id);
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/* Serial number */
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ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
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- memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
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/* Firmware version */
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ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
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- memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
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/* Product model */
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ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
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- memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
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/* Totoal sectors */
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n_sectors = ata_id_n_sectors(id);
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- sata_dev_desc[dev].lba = (u32)n_sectors;
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#ifdef CONFIG_LBA48
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/* Check if support LBA48 */
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@@ -833,21 +851,136 @@ int scan_sata(int dev)
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debug("Device supports LBA28\n\r");
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#endif
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+#if !CONFIG_IS_ENABLED(BLK)
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+ memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
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+ memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
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+ memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
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+ sata_dev_desc[dev].lba = (u32)n_sectors;
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+#ifdef CONFIG_LBA48
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+ sata_dev_desc[dev].lba48 = sata->lba48;
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+#endif
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+#else
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+ memcpy(desc->product, serial, sizeof(serial));
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+ memcpy(desc->revision, firmware, sizeof(firmware));
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+ memcpy(desc->vendor, product, sizeof(product));
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+ desc->lba = n_sectors;
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+#ifdef CONFIG_LBA48
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+ desc->lba48 = sata->lba48;
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+#endif
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+#endif
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+
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/* Get the NCQ queue depth from device */
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sata->queue_depth = ata_id_queue_depth(id);
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/* Get the xfer mode from device */
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- fsl_sata_xfer_mode(dev, id);
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+ fsl_sata_xfer_mode(sata, id);
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/* Get the write cache status from device */
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- fsl_sata_init_wcache(dev, id);
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+ fsl_sata_init_wcache(sata, id);
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/* Set the xfer mode to highest speed */
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- fsl_sata_set_features(dev);
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+ fsl_sata_set_features(sata);
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+
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#ifdef DEBUG
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- fsl_sata_identify(dev, id);
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ata_dump_id(id);
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#endif
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free((void *)id);
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return 0;
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}
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+
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+#if CONFIG_IS_ENABLED(BLK)
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+static const struct blk_ops sata_fsl_blk_ops = {
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+ .read = sata_read,
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+ .write = sata_write,
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+};
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+
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+U_BOOT_DRIVER(sata_fsl_driver) = {
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+ .name = "sata_fsl_blk",
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+ .id = UCLASS_BLK,
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+ .ops = &sata_fsl_blk_ops,
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+ .platdata_auto_alloc_size = sizeof(struct fsl_ata_priv),
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+};
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+
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+static int fsl_ata_ofdata_to_platdata(struct udevice *dev)
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+{
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+ struct fsl_ata_priv *priv = dev_get_priv(dev);
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+
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+ priv->number = dev_read_u32_default(dev, "sata-number", -1);
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+ priv->flag = dev_read_u32_default(dev, "sata-fpdma", -1);
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+ priv->offset = dev_read_u32_default(dev, "sata-offset", -1);
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+
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+ priv->base = dev_read_addr(dev);
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+ if (priv->base == FDT_ADDR_T_NONE)
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+ return -EINVAL;
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+
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+ return 0;
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+}
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+
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+static int fsl_ata_probe(struct udevice *dev)
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+{
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+ struct fsl_ata_priv *blk_priv, *priv;
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+ struct udevice *blk;
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+ char sata_name[10];
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+ int nr_ports;
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+ int ret;
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+ int i;
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+
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+ priv = dev_get_priv(dev);
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+ nr_ports = priv->number;
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+ nr_ports = min(nr_ports, CONFIG_SYS_SATA_MAX_DEVICE);
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+
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+ for (i = 0; i < nr_ports; i++) {
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+ snprintf(sata_name, sizeof(sata_name), "fsl_sata%d", i);
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+ ret = blk_create_devicef(dev, "sata_fsl_blk", sata_name,
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+ IF_TYPE_SATA, -1, 512, 0, &blk);
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+ if (ret) {
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+ debug("Can't create device\n");
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+ return ret;
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+ }
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+
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+ /* Init SATA port */
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+ ret = init_sata(priv, i);
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+ if (ret) {
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+ debug("%s: Failed to init sata\n", __func__);
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+ return ret;
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+ }
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+
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+ blk_priv = dev_get_platdata(blk);
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+ blk_priv->fsl_sata = priv->fsl_sata;
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+ /* Scan SATA port */
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+ ret = scan_sata(blk);
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+ if (ret) {
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+ debug("%s: Failed to scan bus\n", __func__);
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+ return ret;
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+ }
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+ }
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+
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+ return 0;
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+}
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+
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+static int sata_fsl_scan(struct udevice *dev)
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+{
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+ /* Nothing to do here */
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+
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+ return 0;
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+}
|
|
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+
|
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+struct ahci_ops sata_fsl_ahci_ops = {
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|
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+ .scan = sata_fsl_scan,
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+};
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+
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+static const struct udevice_id fsl_ata_ids[] = {
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+ { .compatible = "fsl,pq-sata-v2" },
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|
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+ { }
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+};
|
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+
|
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+U_BOOT_DRIVER(fsl_ahci) = {
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|
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+ .name = "fsl_ahci",
|
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|
+ .id = UCLASS_AHCI,
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+ .of_match = fsl_ata_ids,
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+ .ops = &sata_fsl_ahci_ops,
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+ .ofdata_to_platdata = fsl_ata_ofdata_to_platdata,
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+ .probe = fsl_ata_probe,
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+ .priv_auto_alloc_size = sizeof(struct fsl_ata_priv),
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+};
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+#endif
|