[U-Boot] [v2 2/2] ata: sata_sil: Add DM support for Silicon sata driver

Priyanka Jain priyanka.jain at nxp.com
Mon Nov 18 09:02:08 UTC 2019



>-----Original Message-----
>From: Peng Ma <peng.ma at nxp.com>
>Sent: Wednesday, October 23, 2019 4:27 PM
>To: Jagdish Gediya <jagdish.gediya at nxp.com>; wd at denx.de; Priyanka Jain
><priyanka.jain at nxp.com>
>Cc: jagan at openedev.com; sjg at chromium.org; Andy Tang
><andy.tang at nxp.com>; andre.przywara at arm.com; sr at denx.de;
>smoch at web.de; u-boot at lists.denx.de; Peng Ma <peng.ma at nxp.com>
>Subject: [v2 2/2] ata: sata_sil: Add DM support for Silicon sata driver
>
>Add DM support for Silicon(SIL3131 / SIL3132 / SIL3124) sata driver as few of
>the PowerPC platforms such as P series based boards need to use SATA_SIL
>with DM,
>
>Also fix below warning while PowerPC P series boards compilation,
>
>===================== WARNING ======================"
>This board does use CONFIG_LIBATA but has CONFIG_AHCI not"
>enabled. Please update the storage controller driver to use"
>CONFIG_AHCI before the v2019.07 release."
>Failure to update by the deadline may result in board removal."
>See doc/driver-model/MIGRATION.txt for more info."
>===================================================="
>
>Signed-off-by: Peng Ma <peng.ma at nxp.com>
>---
>Changed for v2:
>	- Rewrite the subject and description
>
> drivers/ata/Kconfig    |   1 +
> drivers/ata/sata_sil.c | 539 +++++++++++++++++++++++++++++++------------------
> drivers/ata/sata_sil.h |  14 +-
> 3 files changed, 357 insertions(+), 197 deletions(-)
>
>diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 57121f6..fe589d3
>100644
>--- a/drivers/ata/Kconfig
>+++ b/drivers/ata/Kconfig
>@@ -110,6 +110,7 @@ config SATA_MV
> config SATA_SIL
> 	bool "Enable Silicon Image SIL3131 / SIL3132 / SIL3124 SATA driver
>support"
> 	select LIBATA
>+	select AHCI if BLK
> 	help
> 	  Enable this driver to support the SIL3131, SIL3132 and SIL3124
> 	  SATA controllers.
>diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index
>a8598d9..20502b3 100644
>--- a/drivers/ata/sata_sil.c
>+++ b/drivers/ata/sata_sil.c
>@@ -1,6 +1,7 @@
> // SPDX-License-Identifier: GPL-2.0+
> /*
>  * Copyright (C) 2011 Freescale Semiconductor, Inc.
>+ * Copyright 2019 NXP
>  * Author: Tang Yuantian <b29983 at freescale.com>
>  */
>
>@@ -14,18 +15,29 @@
> #include <sata.h>
> #include <libata.h>
> #include <sata.h>
>+
>+#if CONFIG_IS_ENABLED(BLK)
>+#include <dm.h>
>+#include <blk.h>
>+#endif
>+
> #include "sata_sil.h"
>
>-/* Convert sectorsize to wordsize */
>-#define ATA_SECTOR_WORDS (ATA_SECT_SIZE/2)
> #define virt_to_bus(devno, v)	pci_virt_to_mem(devno, (void *) (v))
>
>+/* just compatible ahci_ops */
>+struct sil_ops {
>+	int *rev0;
>+	int *rev1;
>+	int (*scan)(struct udevice *dev);
>+};
>+
> static struct sata_info sata_info;
>
> static struct pci_device_id supported[] = {
>-	{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3131},
>-	{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3132},
>-	{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3124},
>+	{ PCI_DEVICE(PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3131)
>},
>+	{ PCI_DEVICE(PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3132)
>},
>+	{ PCI_DEVICE(PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3124)
>},
> 	{}
> };
>
>@@ -113,9 +125,9 @@ static int sil_init_port(void *port)
> 	return 0;
> }
>
>-static void sil_read_fis(int dev, int tag, struct sata_fis_d2h *fis)
>+static void sil_read_fis(struct sil_sata *sata, int tag,
>+			 struct sata_fis_d2h *fis)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	void *port = sata->port;
> 	struct sil_prb *prb;
> 	int i;
>@@ -128,9 +140,9 @@ static void sil_read_fis(int dev, int tag, struct
>sata_fis_d2h *fis)
> 		*dst++ = readl(src++);
> }
>
>-static int sil_exec_cmd(int dev, struct sil_cmd_block *pcmd, int tag)
>+static int sil_exec_cmd(struct sil_sata *sata, struct sil_cmd_block *pcmd,
>+			int tag)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	void *port = sata->port;
> 	u64 paddr = virt_to_bus(sata->devno, pcmd);
> 	u32 irq_mask, irq_stat;
>@@ -164,9 +176,8 @@ static int sil_exec_cmd(int dev, struct sil_cmd_block
>*pcmd, int tag)
> 	return rc;
> }
>
>-static int sil_cmd_set_feature(int dev)
>+static int sil_cmd_set_feature(struct sil_sata *sata)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
> 	struct sata_fis_d2h fis;
> 	u8 udma_cap;
>@@ -191,9 +202,9 @@ static int sil_cmd_set_feature(int dev)
> 	if (udma_cap == ATA_UDMA3)
> 		pcmd->prb.fis.sector_count = XFER_UDMA_3;
>
>-	ret = sil_exec_cmd(dev, pcmd, 0);
>+	ret = sil_exec_cmd(sata, pcmd, 0);
> 	if (ret) {
>-		sil_read_fis(dev, 0, &fis);
>+		sil_read_fis(sata, 0, &fis);
> 		printf("Err: exe cmd(0x%x).\n",
> 				readl(sata->port + PORT_SERROR));
> 		sil_sata_dump_fis(&fis);
>@@ -203,9 +214,34 @@ static int sil_cmd_set_feature(int dev)
> 	return 0;
> }
>
>-static int sil_cmd_identify_device(int dev, u16 *id)
>+static void sil_sata_init_wcache(struct sil_sata *sata, u16 *id) {
>+	if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
>+		sata->wcache = 1;
>+	if (ata_id_has_flush(id))
>+		sata->flush = 1;
>+	if (ata_id_has_flush_ext(id))
>+		sata->flush_ext = 1;
>+}
>+
>+static void sil_sata_set_feature_by_id(struct sil_sata *sata, u16 *id)
>+{ #ifdef CONFIG_LBA48
>+	/* Check if support LBA48 */
>+	if (ata_id_has_lba48(id)) {
>+		sata->lba48 = 1;
>+		debug("Device supports LBA48\n");
>+	} else {
>+		debug("Device supports LBA28\n");
>+	}
>+#endif
>+
>+	sil_sata_init_wcache(sata, id);
>+	sil_cmd_set_feature(sata);
>+}
>+
>+static int sil_cmd_identify_device(struct sil_sata *sata, u16 *id)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
> 	struct sata_fis_d2h fis;
> 	int ret;
>@@ -220,9 +256,9 @@ static int sil_cmd_identify_device(int dev, u16 *id)
> 	pcmd->sge.cnt = cpu_to_le32(sizeof(id[0]) * ATA_ID_WORDS);
> 	pcmd->sge.flags = cpu_to_le32(SGE_TRM);
>
>-	ret = sil_exec_cmd(dev, pcmd, 0);
>+	ret = sil_exec_cmd(sata, pcmd, 0);
> 	if (ret) {
>-		sil_read_fis(dev, 0, &fis);
>+		sil_read_fis(sata, 0, &fis);
> 		printf("Err: id cmd(0x%x).\n", readl(sata->port +
>PORT_SERROR));
> 		sil_sata_dump_fis(&fis);
> 		return 1;
>@@ -232,17 +268,16 @@ static int sil_cmd_identify_device(int dev, u16 *id)
> 	return 0;
> }
>
>-static int sil_cmd_soft_reset(int dev)
>+static int sil_cmd_soft_reset(struct sil_sata *sata)
> {
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	struct sata_fis_d2h fis;
> 	void *port = sata->port;
> 	int ret;
>
> 	/* put the port into known state */
> 	if (sil_init_port(port)) {
>-		printf("SRST: port %d not ready\n", dev);
>+		printf("SRST: port %d not ready\n", sata->id);
> 		return 1;
> 	}
>
>@@ -252,9 +287,9 @@ static int sil_cmd_soft_reset(int dev)
> 	pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
> 	pcmd->prb.fis.pm_port_c = 0xf;
>
>-	ret = sil_exec_cmd(dev, &cmdb, 0);
>+	ret = sil_exec_cmd(sata, &cmdb, 0);
> 	if (ret) {
>-		sil_read_fis(dev, 0, &fis);
>+		sil_read_fis(sata, 0, &fis);
> 		printf("SRST cmd error.\n");
> 		sil_sata_dump_fis(&fis);
> 		return 1;
>@@ -263,10 +298,9 @@ static int sil_cmd_soft_reset(int dev)
> 	return 0;
> }
>
>-static ulong sil_sata_rw_cmd(int dev, ulong start, ulong blkcnt,
>-		u8 *buffer, int is_write)
>+static ulong sil_sata_rw_cmd(struct sil_sata *sata, ulong start, ulong blkcnt,
>+			     u8 *buffer, int is_write)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
> 	struct sata_fis_d2h fis;
> 	u64 block;
>@@ -296,9 +330,9 @@ static ulong sil_sata_rw_cmd(int dev, ulong start,
>ulong blkcnt,
> 	pcmd->sge.cnt = cpu_to_le32(blkcnt * ATA_SECT_SIZE);
> 	pcmd->sge.flags = cpu_to_le32(SGE_TRM);
>
>-	ret = sil_exec_cmd(dev, pcmd, 0);
>+	ret = sil_exec_cmd(sata, pcmd, 0);
> 	if (ret) {
>-		sil_read_fis(dev, 0, &fis);
>+		sil_read_fis(sata, 0, &fis);
> 		printf("Err: rw cmd(0x%08x).\n",
> 				readl(sata->port + PORT_SERROR));
> 		sil_sata_dump_fis(&fis);
>@@ -308,10 +342,9 @@ static ulong sil_sata_rw_cmd(int dev, ulong start,
>ulong blkcnt,
> 	return blkcnt;
> }
>
>-static ulong sil_sata_rw_cmd_ext(int dev, ulong start, ulong blkcnt,
>-		u8 *buffer, int is_write)
>+static ulong sil_sata_rw_cmd_ext(struct sil_sata *sata, ulong start,
>+				 ulong blkcnt, u8 *buffer, int is_write)
> {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
> 	struct sata_fis_d2h fis;
> 	u64 block;
>@@ -344,9 +377,9 @@ static ulong sil_sata_rw_cmd_ext(int dev, ulong start,
>ulong blkcnt,
> 	pcmd->sge.cnt = cpu_to_le32(blkcnt * ATA_SECT_SIZE);
> 	pcmd->sge.flags = cpu_to_le32(SGE_TRM);
>
>-	ret = sil_exec_cmd(dev, pcmd, 0);
>+	ret = sil_exec_cmd(sata, pcmd, 0);
> 	if (ret) {
>-		sil_read_fis(dev, 0, &fis);
>+		sil_read_fis(sata, 0, &fis);
> 		printf("Err: rw ext cmd(0x%08x).\n",
> 				readl(sata->port + PORT_SERROR));
> 		sil_sata_dump_fis(&fis);
>@@ -356,8 +389,9 @@ static ulong sil_sata_rw_cmd_ext(int dev, ulong start,
>ulong blkcnt,
> 	return blkcnt;
> }
>
>-static ulong sil_sata_rw_lba28(int dev, ulong blknr, lbaint_t blkcnt,
>-			       const void *buffer, int is_write)
>+static ulong sil_sata_rw_lba28(struct sil_sata *sata, ulong blknr,
>+			       lbaint_t blkcnt, const void *buffer,
>+			       int is_write)
> {
> 	ulong start, blks, max_blks;
> 	u8 *addr;
>@@ -369,12 +403,12 @@ static ulong sil_sata_rw_lba28(int dev, ulong blknr,
>lbaint_t blkcnt,
> 	max_blks = ATA_MAX_SECTORS;
> 	do {
> 		if (blks > max_blks) {
>-			sil_sata_rw_cmd(dev, start, max_blks, addr, is_write);
>+			sil_sata_rw_cmd(sata, start, max_blks, addr, is_write);
> 			start += max_blks;
> 			blks -= max_blks;
> 			addr += ATA_SECT_SIZE * max_blks;
> 		} else {
>-			sil_sata_rw_cmd(dev, start, blks, addr, is_write);
>+			sil_sata_rw_cmd(sata, start, blks, addr, is_write);
> 			start += blks;
> 			blks = 0;
> 			addr += ATA_SECT_SIZE * blks;
>@@ -384,8 +418,9 @@ static ulong sil_sata_rw_lba28(int dev, ulong blknr,
>lbaint_t blkcnt,
> 	return blkcnt;
> }
>
>-static ulong sil_sata_rw_lba48(int dev, ulong blknr, lbaint_t blkcnt,
>-			       const void *buffer, int is_write)
>+static ulong sil_sata_rw_lba48(struct sil_sata *sata, ulong blknr,
>+			       lbaint_t blkcnt, const void *buffer,
>+			       int is_write)
> {
> 	ulong start, blks, max_blks;
> 	u8 *addr;
>@@ -397,14 +432,14 @@ static ulong sil_sata_rw_lba48(int dev, ulong blknr,
>lbaint_t blkcnt,
> 	max_blks = ATA_MAX_SECTORS_LBA48;
> 	do {
> 		if (blks > max_blks) {
>-			sil_sata_rw_cmd_ext(dev, start, max_blks,
>-					addr, is_write);
>+			sil_sata_rw_cmd_ext(sata, start, max_blks,
>+					    addr, is_write);
> 			start += max_blks;
> 			blks -= max_blks;
> 			addr += ATA_SECT_SIZE * max_blks;
> 		} else {
>-			sil_sata_rw_cmd_ext(dev, start, blks,
>-					addr, is_write);
>+			sil_sata_rw_cmd_ext(sata, start, blks,
>+					    addr, is_write);
> 			start += blks;
> 			blks = 0;
> 			addr += ATA_SECT_SIZE * blks;
>@@ -414,7 +449,7 @@ static ulong sil_sata_rw_lba48(int dev, ulong blknr,
>lbaint_t blkcnt,
> 	return blkcnt;
> }
>
>-static void sil_sata_cmd_flush_cache(int dev)
>+static void sil_sata_cmd_flush_cache(struct sil_sata *sata)
> {
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
>
>@@ -423,10 +458,10 @@ static void sil_sata_cmd_flush_cache(int dev)
> 	pcmd->prb.fis.pm_port_c = (1 << 7);
> 	pcmd->prb.fis.command = ATA_CMD_FLUSH;
>
>-	sil_exec_cmd(dev, pcmd, 0);
>+	sil_exec_cmd(sata, pcmd, 0);
> }
>
>-static void sil_sata_cmd_flush_cache_ext(int dev)
>+static void sil_sata_cmd_flush_cache_ext(struct sil_sata *sata)
> {
> 	struct sil_cmd_block cmdb, *pcmd = &cmdb;
>
>@@ -435,54 +470,30 @@ static void sil_sata_cmd_flush_cache_ext(int dev)
> 	pcmd->prb.fis.pm_port_c = (1 << 7);
> 	pcmd->prb.fis.command = ATA_CMD_FLUSH_EXT;
>
>-	sil_exec_cmd(dev, pcmd, 0);
>-}
>-
>-static void sil_sata_init_wcache(int dev, u16 *id) -{
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>-
>-	if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
>-		sata->wcache = 1;
>-	if (ata_id_has_flush(id))
>-		sata->flush = 1;
>-	if (ata_id_has_flush_ext(id))
>-		sata->flush_ext = 1;
>-}
>-
>-static int sil_sata_get_wcache(int dev) -{
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>-
>-	return sata->wcache;
>-}
>-
>-static int sil_sata_get_flush(int dev)
>-{
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>-
>-	return sata->flush;
>-}
>-
>-static int sil_sata_get_flush_ext(int dev) -{
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>-
>-	return sata->flush_ext;
>+	sil_exec_cmd(sata, pcmd, 0);
> }
>
> /*
>  * SATA interface between low level driver and command layer
>  */
>+#if !CONFIG_IS_ENABLED(BLK)
> ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)  {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>+	sil_sata_t *sata = (sil_sata_t *)sata_dev_desc[dev].priv; #else static
>+ulong sata_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
>+		       void *buffer)
>+{
>+	struct sil_sata_priv *priv = dev_get_platdata(dev);
>+	int port_number = priv->port_num;
>+	sil_sata_t *sata = priv->sil_sata_desc[port_number]; #endif
> 	ulong rc;
>
> 	if (sata->lba48)
>-		rc = sil_sata_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
>+		rc = sil_sata_rw_lba48(sata, blknr, blkcnt, buffer, READ_CMD);
> 	else
>-		rc = sil_sata_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
>+		rc = sil_sata_rw_lba28(sata, blknr, blkcnt, buffer, READ_CMD);
>
> 	return rc;
> }
>@@ -490,111 +501,48 @@ ulong sata_read(int dev, ulong blknr, lbaint_t
>blkcnt, void *buffer)
> /*
>  * SATA interface between low level driver and command layer
>  */
>+#if !CONFIG_IS_ENABLED(BLK)
> ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)  {
>-	struct sil_sata *sata = sata_dev_desc[dev].priv;
>+	sil_sata_t *sata = (sil_sata_t *)sata_dev_desc[dev].priv; #else ulong
>+sata_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
>+		 const void *buffer)
>+{
>+	struct sil_sata_priv *priv = dev_get_platdata(dev);
>+	int port_number = priv->port_num;
>+	sil_sata_t *sata = priv->sil_sata_desc[port_number]; #endif
> 	ulong rc;
>
> 	if (sata->lba48) {
>-		rc = sil_sata_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
>-		if (sil_sata_get_wcache(dev) && sil_sata_get_flush_ext(dev))
>-			sil_sata_cmd_flush_cache_ext(dev);
>+		rc = sil_sata_rw_lba48(sata, blknr, blkcnt, buffer,
>WRITE_CMD);
>+		if (sata->wcache && sata->flush_ext)
>+			sil_sata_cmd_flush_cache_ext(sata);
> 	} else {
>-		rc = sil_sata_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
>-		if (sil_sata_get_wcache(dev) && sil_sata_get_flush(dev))
>-			sil_sata_cmd_flush_cache(dev);
>+		rc = sil_sata_rw_lba28(sata, blknr, blkcnt, buffer,
>WRITE_CMD);
>+		if (sata->wcache && sata->flush)
>+			sil_sata_cmd_flush_cache(sata);
> 	}
>
> 	return rc;
> }
>
>-/*
>- * SATA interface between low level driver and command layer
>- */
>-int init_sata(int dev)
>-{
>-	static int init_done, idx;
>-	pci_dev_t devno;
>-	u16 word;
>-
>-	if (init_done == 1 && dev < sata_info.maxport)
>-		return 0;
>-
>-	init_done = 1;
>-
>-	/* Find PCI device(s) */
>-	devno = pci_find_devices(supported, idx++);
>-	if (devno == -1)
>-		return 1;
>-
>-	pci_read_config_word(devno, PCI_DEVICE_ID, &word);
>-
>-	/* get the port count */
>-	word &= 0xf;
>-
>-	sata_info.portbase = sata_info.maxport;
>-	sata_info.maxport = sata_info.portbase + word;
>-	sata_info.devno = devno;
>-
>-	/* Read out all BARs */
>-	sata_info.iobase[0] = (ulong)pci_map_bar(devno,
>-			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
>-	sata_info.iobase[1] = (ulong)pci_map_bar(devno,
>-			PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
>-	sata_info.iobase[2] = (ulong)pci_map_bar(devno,
>-			PCI_BASE_ADDRESS_4, PCI_REGION_MEM);
>-
>-	/* mask out the unused bits */
>-	sata_info.iobase[0] &= 0xffffff80;
>-	sata_info.iobase[1] &= 0xfffffc00;
>-	sata_info.iobase[2] &= 0xffffff80;
>-
>-	/* Enable Bus Mastering and memory region */
>-	pci_write_config_word(devno, PCI_COMMAND,
>-			PCI_COMMAND_MEMORY |
>PCI_COMMAND_MASTER);
>-
>-	/* Check if mem accesses and Bus Mastering are enabled. */
>-	pci_read_config_word(devno, PCI_COMMAND, &word);
>-	if (!(word & PCI_COMMAND_MEMORY) ||
>-			(!(word & PCI_COMMAND_MASTER))) {
>-		printf("Error: Can not enable MEM access or Bus
>Mastering.\n");
>-		debug("PCI command: %04x\n", word);
>-		return 1;
>-	}
>-
>-	/* GPIO off */
>-	writel(0, (void *)(sata_info.iobase[0] + HOST_FLASH_CMD));
>-	/* clear global reset & mask interrupts during initialization */
>-	writel(0, (void *)(sata_info.iobase[0] + HOST_CTRL));
>-
>-	return 0;
>-}
>-
>-int reset_sata(int dev)
>+#if !CONFIG_IS_ENABLED(BLK)
>+static int sil_init_sata(int dev)
> {
>-	return 0;
>-}
>-
>-/*
>- * SATA interface between low level driver and command layer
>- */
>-int scan_sata(int dev)
>+#else
>+static int sil_init_sata(struct udevice *uc_dev, int dev)
> {
>-	unsigned char serial[ATA_ID_SERNO_LEN + 1];
>-	unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
>-	unsigned char product[ATA_ID_PROD_LEN + 1];
>-	struct sil_sata *sata;
>+	struct sil_sata_priv *priv = dev_get_platdata(uc_dev); #endif
>+	sil_sata_t *sata;
> 	void *port;
>-	int cnt;
>-	u16 *id;
> 	u32 tmp;
>+	int cnt;
>
>-	if (dev >= sata_info.maxport) {
>-		printf("SATA#%d is not present\n", dev);
>-		return 1;
>-	}
>+	printf("SATA#%d:\n", dev);
>
>-	printf("SATA#%d\n", dev);
> 	port = (void *)sata_info.iobase[1] +
> 		PORT_REGS_SIZE * (dev - sata_info.portbase);
>
>@@ -646,69 +594,270 @@ int scan_sata(int dev)
> 		return 1;
> 	}
>
>-	sata = (struct sil_sata *)malloc(sizeof(struct sil_sata));
>+	sata = (sil_sata_t *)malloc(sizeof(struct sil_sata));
> 	if (!sata) {
> 		printf("%d no memory.\n", dev);
> 		return 1;
> 	}
> 	memset((void *)sata, 0, sizeof(struct sil_sata));
>
>-	/* turn on port interrupt */
>-	tmp = readl((void *)(sata_info.iobase[0] + HOST_CTRL));
>-	tmp |= (1 << (dev - sata_info.portbase));
>-	writel(tmp, (void *)(sata_info.iobase[0] + HOST_CTRL));
>-
> 	/* Save the private struct to block device struct */
>+#if !CONFIG_IS_ENABLED(BLK)
> 	sata_dev_desc[dev].priv = (void *)sata;
>+#else
>+	priv->sil_sata_desc[dev] = sata;
>+	priv->port_num = dev;
>+#endif
>+	sata->id = dev;
> 	sata->port = port;
> 	sata->devno = sata_info.devno;
> 	sprintf(sata->name, "SATA#%d", dev);
>-	sil_cmd_soft_reset(dev);
>+	sil_cmd_soft_reset(sata);
> 	tmp = readl(port + PORT_SSTATUS);
> 	tmp = (tmp >> 4) & 0xf;
> 	printf("	(%s)\n", sata_spd_string(tmp));
>
>+	return 0;
>+}
>+
>+#if !CONFIG_IS_ENABLED(BLK)
>+/*
>+ * SATA interface between low level driver and command layer  */ int
>+init_sata(int dev) {
>+	static int init_done, idx;
>+	pci_dev_t devno;
>+	u16 word;
>+
>+	if (init_done == 1 && dev < sata_info.maxport)
>+		goto init_start;
>+
>+	init_done = 1;
>+
>+	/* Find PCI device(s) */
>+	devno = pci_find_devices(supported, idx++);
>+	if (devno == -1)
>+		return 1;
>+
>+	pci_read_config_word(devno, PCI_DEVICE_ID, &word);
>+
>+	/* get the port count */
>+	word &= 0xf;
>+
>+	sata_info.portbase = 0;
>+	sata_info.maxport = sata_info.portbase + word;
>+	sata_info.devno = devno;
>+
>+	/* Read out all BARs */
>+	sata_info.iobase[0] = (ulong)pci_map_bar(devno,
>+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
>+	sata_info.iobase[1] = (ulong)pci_map_bar(devno,
>+			PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
>+
>+	/* mask out the unused bits */
>+	sata_info.iobase[0] &= 0xffffff80;
>+	sata_info.iobase[1] &= 0xfffffc00;
>+
>+	/* Enable Bus Mastering and memory region */
>+	pci_write_config_word(devno, PCI_COMMAND,
>+			      PCI_COMMAND_MEMORY |
>PCI_COMMAND_MASTER);
>+
>+	/* Check if mem accesses and Bus Mastering are enabled. */
>+	pci_read_config_word(devno, PCI_COMMAND, &word);
>+	if (!(word & PCI_COMMAND_MEMORY) ||
>+	    (!(word & PCI_COMMAND_MASTER))) {
>+		printf("Error: Can not enable MEM access or Bus
>Mastering.\n");
>+		debug("PCI command: %04x\n", word);
>+		return 1;
>+	}
>+
>+	/* GPIO off */
>+	writel(0, (void *)(sata_info.iobase[0] + HOST_FLASH_CMD));
>+	/* clear global reset & mask interrupts during initialization */
>+	writel(0, (void *)(sata_info.iobase[0] + HOST_CTRL));
>+
>+init_start:
>+	return sil_init_sata(dev);
>+}
>+
>+int reset_sata(int dev)
>+{
>+	return 0;
>+}
>+
>+/*
>+ * SATA interface between low level driver and command layer  */ int
>+scan_sata(int dev) {
>+	sil_sata_t *sata = (sil_sata_t *)sata_dev_desc[dev].priv; #else static
>+int scan_sata(struct udevice *blk_dev, int dev) {
>+	struct blk_desc *desc = dev_get_uclass_platdata(blk_dev);
>+	struct sil_sata_priv *priv = dev_get_platdata(blk_dev);
>+	sil_sata_t *sata = priv->sil_sata_desc[dev]; #endif
>+	unsigned char serial[ATA_ID_SERNO_LEN + 1];
>+	unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
>+	unsigned char product[ATA_ID_PROD_LEN + 1];
>+	u16 *id;
>+
> 	id = (u16 *)malloc(ATA_ID_WORDS * 2);
> 	if (!id) {
> 		printf("Id malloc failed\n");
>-		free((void *)sata);
> 		return 1;
> 	}
>-	sil_cmd_identify_device(dev, id);
>+	sil_cmd_identify_device(sata, id);
>
>-#ifdef CONFIG_LBA48
>-	/* Check if support LBA48 */
>-	if (ata_id_has_lba48(id)) {
>-		sata_dev_desc[dev].lba48 = 1;
>-		sata->lba48 = 1;
>-		debug("Device supports LBA48\n");
>-	} else
>-		debug("Device supports LBA28\n");
>-#endif
>+	sil_sata_set_feature_by_id(sata, id);
>
> 	/* Serial number */
> 	ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
>-	memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
>
> 	/* Firmware version */
> 	ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
>-	memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
>
> 	/* Product model */
> 	ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
>-	memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
>
>+#if !CONFIG_IS_ENABLED(BLK)
>+	memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
>+	memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
>+	memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
> 	/* Totoal sectors */
> 	sata_dev_desc[dev].lba = ata_id_n_sectors(id);
>-
>-	sil_sata_init_wcache(dev, id);
>-	sil_cmd_set_feature(dev);
>+#ifdef CONFIG_LBA48
>+	sata_dev_desc[dev].lba48 = sata->lba48; #endif #else
>+	memcpy(desc->product, serial, sizeof(serial));
>+	memcpy(desc->revision, firmware, sizeof(firmware));
>+	memcpy(desc->vendor, product, sizeof(product));
>+	desc->lba = ata_id_n_sectors(id);
>+#ifdef CONFIG_LBA48
>+	desc->lba48 = sata->lba48;
>+#endif
>+#endif
>
> #ifdef DEBUG
>-	sil_cmd_identify_device(dev, id);
> 	ata_dump_id(id);
> #endif
> 	free((void *)id);
>
> 	return 0;
> }
>+
>+#if CONFIG_IS_ENABLED(BLK)
>+static const struct blk_ops sata_sil_blk_ops = {
>+	.read	= sata_read,
>+	.write	= sata_write,
>+};
>+
>+U_BOOT_DRIVER(sata_sil_driver) = {
>+	.name = "sata_sil_blk",
>+	.id = UCLASS_BLK,
>+	.ops = &sata_sil_blk_ops,
>+	.platdata_auto_alloc_size = sizeof(struct sil_sata_priv), };
>+
>+static int sil_pci_probe(struct udevice *dev) {
>+	struct udevice *blk;
>+	char sata_name[10];
>+	pci_dev_t devno;
>+	u16 word;
>+	int ret;
>+	int i;
>+
>+	/* Get PCI device number */
>+	devno = dm_pci_get_bdf(dev);
>+	if (devno == -1)
>+		return 1;
>+
>+	dm_pci_read_config16(dev, PCI_DEVICE_ID, &word);
>+
>+	/* get the port count */
>+	word &= 0xf;
>+
>+	sata_info.portbase = 0;
>+	sata_info.maxport = sata_info.portbase + word;
>+	sata_info.devno = devno;
>+
>+	/* Read out all BARs */
>+	sata_info.iobase[0] = (ulong)dm_pci_map_bar(dev,
>+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
>+	sata_info.iobase[1] = (ulong)dm_pci_map_bar(dev,
>+			PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
>+
>+	/* mask out the unused bits */
>+	sata_info.iobase[0] &= 0xffffff80;
>+	sata_info.iobase[1] &= 0xfffffc00;
>+
>+	/* Enable Bus Mastering and memory region */
>+	dm_pci_write_config16(dev, PCI_COMMAND,
>+			      PCI_COMMAND_MEMORY |
>PCI_COMMAND_MASTER);
>+
>+	/* Check if mem accesses and Bus Mastering are enabled. */
>+	dm_pci_read_config16(dev, PCI_COMMAND, &word);
>+	if (!(word & PCI_COMMAND_MEMORY) ||
>+	    (!(word & PCI_COMMAND_MASTER))) {
>+		printf("Error: Can not enable MEM access or Bus
>Mastering.\n");
>+		debug("PCI command: %04x\n", word);
>+		return 1;
>+	}
>+
>+	/* GPIO off */
>+	writel(0, (void *)(sata_info.iobase[0] + HOST_FLASH_CMD));
>+	/* clear global reset & mask interrupts during initialization */
>+	writel(0, (void *)(sata_info.iobase[0] + HOST_CTRL));
>+
>+	for (i = sata_info.portbase; i < sata_info.maxport; i++) {
>+		snprintf(sata_name, sizeof(sata_name), "sil_sata%d", i);
>+		ret = blk_create_devicef(dev, "sata_sil_blk", sata_name,
>+					 IF_TYPE_SATA, -1, 512, 0, &blk);
>+		if (ret) {
>+			debug("Can't create device\n");
>+			return ret;
>+		}
>+
>+		ret = sil_init_sata(blk, i);
>+		if (ret)
>+			return -ENODEV;
>+
>+		ret = scan_sata(blk, i);
>+		if (ret)
>+			return -ENODEV;
>+	}
>+
>+	return 0;
>+}
>+
>+static int sata_sil_scan(struct udevice *dev) {
>+	/* Nothing to do here */
>+
>+	return 0;
>+}
>+
>+struct sil_ops sata_sil_ops = {
>+	.scan = sata_sil_scan,
>+};
>+
>+static const struct udevice_id sil_pci_ids[] = {
>+	{ .compatible = "sil-pci-sample" },
>+	{ }
>+};
>+
>+U_BOOT_DRIVER(sil_ahci_pci) = {
>+	.name	= "sil_ahci_pci",
>+	.id	= UCLASS_AHCI,
>+	.of_match = sil_pci_ids,
>+	.ops = &sata_sil_ops,
>+	.probe = sil_pci_probe,
>+	.priv_auto_alloc_size = sizeof(struct sil_sata_priv), };
>+
>+U_BOOT_PCI_DEVICE(sil_ahci_pci, supported); #endif
>diff --git a/drivers/ata/sata_sil.h b/drivers/ata/sata_sil.h index
>8b7cbdf..dad8530 100644
>--- a/drivers/ata/sata_sil.h
>+++ b/drivers/ata/sata_sil.h
>@@ -1,6 +1,7 @@
> /* SPDX-License-Identifier: GPL-2.0+ */
> /*
>  * Copyright (C) 2011 Freescale Semiconductor, Inc.
>+ * Copyright 2019 NXP
>  * Author: Tang Yuantian <b29983 at freescale.com>
>  */
>
>@@ -13,7 +14,7 @@
> /*
>  * SATA device driver struct for each dev
>  */
>-struct sil_sata {
>+typedef struct sil_sata {
> 	char	name[12];
> 	void	*port;	/* the port base address */
> 	int		lba48;
>@@ -24,7 +25,8 @@ struct sil_sata {
> 	int		wcache;
> 	int		flush;
> 	int		flush_ext;
>-};
>+	int		id;
>+} sil_sata_t;
>
> /* sata info for each controller */
> struct sata_info {
>@@ -210,4 +212,12 @@ enum {
> 	CMD_ERR		= 0x21,
> };
>
>+#if CONFIG_IS_ENABLED(BLK)
>+#define ATA_MAX_PORTS		32
>+struct sil_sata_priv {
>+	int		port_num;
>+	sil_sata_t	*sil_sata_desc[ATA_MAX_PORTS];
>+};
>+#endif
>+
> #endif
>--
>2.9.5
 Please fix below checkpatch warning 
 WARNING: do not add new typedefs
#862: FILE: drivers/ata/sata_sil.h:17:
+typedef struct sil_sata {

--priyankajain


More information about the U-Boot mailing list