sun8i_emac: configure PHY reset GPIO via DM
[oweals/u-boot.git] / drivers / block / ahci.c
index 734fdcc3dbd38fddc27a4068adab6fab6c0e0397..3fa14a76b8871e5785353be38ea64a39e2d7f9f6 100644 (file)
 #include <common.h>
 
 #include <command.h>
+#include <dm.h>
 #include <pci.h>
 #include <asm/processor.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/io.h>
 #include <malloc.h>
 #include <memalign.h>
@@ -44,7 +45,7 @@ u16 *ataid[AHCI_MAX_PORTS];
 #define WAIT_MS_FLUSH  5000
 #define WAIT_MS_LINKUP 200
 
-static inline void __iomem *ahci_port_base(void __iomem *base, u32 port)
+__weak void __iomem *ahci_port_base(void __iomem *base, u32 port)
 {
        return base + 0x100 + (port * 0x80);
 }
@@ -167,10 +168,15 @@ int ahci_reset(void __iomem *base)
 
 static int ahci_host_init(struct ahci_probe_ent *probe_ent)
 {
-#ifndef CONFIG_SCSI_AHCI_PLAT
+#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI)
+# ifdef CONFIG_DM_PCI
+       struct udevice *dev = probe_ent->dev;
+       struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
+# else
        pci_dev_t pdev = probe_ent->dev;
-       u16 tmp16;
        unsigned short vendor;
+# endif
+       u16 tmp16;
 #endif
        void __iomem *mmio = probe_ent->mmio_base;
        u32 tmp, cap_save, cmd;
@@ -192,7 +198,15 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
        writel(cap_save, mmio + HOST_CAP);
        writel_with_flush(0xf, mmio + HOST_PORTS_IMPL);
 
-#ifndef CONFIG_SCSI_AHCI_PLAT
+#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI)
+# ifdef CONFIG_DM_PCI
+       if (pplat->vendor == PCI_VENDOR_ID_INTEL) {
+               u16 tmp16;
+
+               dm_pci_read_config16(dev, 0x92, &tmp16);
+               dm_pci_write_config16(dev, 0x92, tmp16 | 0xf);
+       }
+# else
        pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor);
 
        if (vendor == PCI_VENDOR_ID_INTEL) {
@@ -201,6 +215,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
                tmp16 |= 0xf;
                pci_write_config_word(pdev, 0x92, tmp16);
        }
+# endif
 #endif
        probe_ent->cap = readl(mmio + HOST_CAP);
        probe_ent->port_map = readl(mmio + HOST_PORTS_IMPL);
@@ -312,10 +327,18 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
        writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL);
        tmp = readl(mmio + HOST_CTL);
        debug("HOST_CTL 0x%x\n", tmp);
+#if !defined(CONFIG_DM_SCSI)
 #ifndef CONFIG_SCSI_AHCI_PLAT
+# ifdef CONFIG_DM_PCI
+       dm_pci_read_config16(dev, PCI_COMMAND, &tmp16);
+       tmp |= PCI_COMMAND_MASTER;
+       dm_pci_write_config16(dev, PCI_COMMAND, tmp16);
+# else
        pci_read_config_word(pdev, PCI_COMMAND, &tmp16);
        tmp |= PCI_COMMAND_MASTER;
        pci_write_config_word(pdev, PCI_COMMAND, tmp16);
+# endif
+#endif
 #endif
        return 0;
 }
@@ -323,8 +346,12 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
 
 static void ahci_print_info(struct ahci_probe_ent *probe_ent)
 {
-#ifndef CONFIG_SCSI_AHCI_PLAT
+#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI)
+# if defined(CONFIG_DM_PCI)
+       struct udevice *dev = probe_ent->dev;
+# else
        pci_dev_t pdev = probe_ent->dev;
+# endif
        u16 cc;
 #endif
        void __iomem *mmio = probe_ent->mmio_base;
@@ -347,10 +374,14 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent)
        else
                speed_s = "?";
 
-#ifdef CONFIG_SCSI_AHCI_PLAT
+#if defined(CONFIG_SCSI_AHCI_PLAT) || defined(CONFIG_DM_SCSI)
        scc_s = "SATA";
 #else
+# ifdef CONFIG_DM_PCI
+       dm_pci_read_config16(dev, 0x0a, &cc);
+# else
        pci_read_config_word(pdev, 0x0a, &cc);
+# endif
        if (cc == 0x0101)
                scc_s = "IDE";
        else if (cc == 0x0106)
@@ -395,9 +426,15 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent)
 }
 
 #ifndef CONFIG_SCSI_AHCI_PLAT
-static int ahci_init_one(pci_dev_t pdev)
+# if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI)
+static int ahci_init_one(struct udevice *dev)
+# else
+static int ahci_init_one(pci_dev_t dev)
+# endif
 {
+#if !defined(CONFIG_DM_SCSI)
        u16 vendor;
+#endif
        int rc;
 
        probe_ent = malloc(sizeof(struct ahci_probe_ent));
@@ -407,7 +444,7 @@ static int ahci_init_one(pci_dev_t pdev)
        }
 
        memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
-       probe_ent->dev = pdev;
+       probe_ent->dev = dev;
 
        probe_ent->host_flags = ATA_FLAG_SATA
                                | ATA_FLAG_NO_LEGACY
@@ -417,18 +454,36 @@ static int ahci_init_one(pci_dev_t pdev)
        probe_ent->pio_mask = 0x1f;
        probe_ent->udma_mask = 0x7f;    /*Fixme,assume to support UDMA6 */
 
-       probe_ent->mmio_base = pci_map_bar(pdev, PCI_BASE_ADDRESS_5,
+#if !defined(CONFIG_DM_SCSI)
+#ifdef CONFIG_DM_PCI
+       probe_ent->mmio_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_5,
+                                             PCI_REGION_MEM);
+
+       /* Take from kernel:
+        * JMicron-specific fixup:
+        * make sure we're in AHCI mode
+        */
+       dm_pci_read_config16(dev, PCI_VENDOR_ID, &vendor);
+       if (vendor == 0x197b)
+               dm_pci_write_config8(dev, 0x41, 0xa1);
+#else
+       probe_ent->mmio_base = pci_map_bar(dev, PCI_BASE_ADDRESS_5,
                                           PCI_REGION_MEM);
-       debug("ahci mmio_base=0x%p\n", probe_ent->mmio_base);
 
        /* Take from kernel:
         * JMicron-specific fixup:
         * make sure we're in AHCI mode
         */
-       pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor);
+       pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
        if (vendor == 0x197b)
-               pci_write_config_byte(pdev, 0x41, 0xa1);
+               pci_write_config_byte(dev, 0x41, 0xa1);
+#endif
+#else
+       struct scsi_platdata *plat = dev_get_platdata(dev);
+       probe_ent->mmio_base = (void *)plat->base;
+#endif
 
+       debug("ahci mmio_base=0x%p\n", probe_ent->mmio_base);
        /* initialize adapter */
        rc = ahci_host_init(probe_ent);
        if (rc)
@@ -818,7 +873,7 @@ static int ata_scsiop_read_capacity10(ccb *pccb)
        if (!ataid[pccb->target]) {
                printf("scsi_ahci: SCSI READ CAPACITY10 command failure. "
                       "\tNo ATA info!\n"
-                      "\tPlease run SCSI command INQUIRY firstly!\n");
+                      "\tPlease run SCSI command INQUIRY first!\n");
                return -EPERM;
        }
 
@@ -847,7 +902,7 @@ static int ata_scsiop_read_capacity16(ccb *pccb)
        if (!ataid[pccb->target]) {
                printf("scsi_ahci: SCSI READ CAPACITY16 command failure. "
                       "\tNo ATA info!\n"
-                      "\tPlease run SCSI command INQUIRY firstly!\n");
+                      "\tPlease run SCSI command INQUIRY first!\n");
                return -EPERM;
        }
 
@@ -908,14 +963,29 @@ int scsi_exec(ccb *pccb)
 
 }
 
-
+#if defined(CONFIG_DM_SCSI)
+void scsi_low_level_init(int busdevfunc, struct udevice *dev)
+#else
 void scsi_low_level_init(int busdevfunc)
+#endif
 {
        int i;
        u32 linkmap;
 
 #ifndef CONFIG_SCSI_AHCI_PLAT
+# if defined(CONFIG_DM_PCI)
+       struct udevice *dev;
+       int ret;
+
+       ret = dm_pci_bus_find_bdf(busdevfunc, &dev);
+       if (ret)
+               return;
+       ahci_init_one(dev);
+# elif defined(CONFIG_DM_SCSI)
+       ahci_init_one(dev);
+# else
        ahci_init_one(busdevfunc);
+# endif
 #endif
 
        linkmap = probe_ent->link_port_map;
@@ -1005,6 +1075,7 @@ static int ata_io_flush(u8 port)
 
        memcpy((unsigned char *)pp->cmd_tbl, fis, 20);
        ahci_fill_cmd_slot(pp, cmd_fis_len);
+       ahci_dcache_flush_sata_cmd(pp);
        writel_with_flush(1, port_mmio + PORT_CMD_ISSUE);
 
        if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE,