net: sh_eth: remove the SH_TSU_ADDR

The defination is hardcoded in this driver for some CPUs. This patch
modifies to get resource of TSU address from platform_device.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 27 insertions, 22 deletions

diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 51268f591405..c7abcc586dbd 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -145,8 +145,10 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
 #define SH_ETH_HAS_TSU  1
 static void sh_eth_chip_reset(struct net_device *ndev)
 {
+        struct sh_eth_private *mdp = netdev_priv(ndev);
+
         /* reset device */
-        writel(ARSTR_ARSTR, ARSTR);
+        sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
         mdelay(1);
 }
 
@@ -229,6 +231,7 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
         .hw_swap        = 1,
         .no_trimd       = 1,
         .no_ade         = 1,
+        .tsu            = 1,
 };
 
 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
@@ -246,6 +249,7 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
 #define SH_ETH_HAS_TSU  1
 static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
         .eesipr_value   = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
+        .tsu            = 1,
 };
 #endif
 
@@ -1446,6 +1450,7 @@ static void sh_eth_set_multicast_list(struct net_device *ndev)
                                 ECMR_MCT, ECMR);
         }
 }
+#endif /* SH_ETH_HAS_TSU */
 
 /* SuperH's TSU register init function */
 static void sh_eth_tsu_init(struct sh_eth_private *mdp)
@@ -1475,7 +1480,6 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)
         sh_eth_tsu_write(mdp, 0, TSU_POST3);    /* Disable CAM entry [16-23] */
         sh_eth_tsu_write(mdp, 0, TSU_POST4);    /* Disable CAM entry [24-31] */
 }
-#endif /* SH_ETH_HAS_TSU */
 
 /* MDIO bus release function */
 static int sh_mdio_release(struct net_device *ndev)
@@ -1676,14 +1680,23 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 
         /* First device only init */
         if (!devno) {
+                if (mdp->cd->tsu) {
+                        struct resource *rtsu;
+                        rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+                        if (!rtsu) {
+                                dev_err(&pdev->dev, "Not found TSU resource\n");
+                                goto out_release;
+                        }
+                        mdp->tsu_addr = ioremap(rtsu->start,
+                                                resource_size(rtsu));
+                }
                 if (mdp->cd->chip_reset)
                         mdp->cd->chip_reset(ndev);
 
-#if defined(SH_ETH_HAS_TSU)
-                /* TSU init (Init only)*/
-                mdp->tsu_addr = SH_TSU_ADDR;
-                sh_eth_tsu_init(mdp);
-#endif
+                if (mdp->cd->tsu) {
+                        /* TSU init (Init only)*/
+                        sh_eth_tsu_init(mdp);
+                }
         }
 
         /* network device register */
@@ -1709,6 +1722,8 @@ out_unregister:
 
 out_release:
         /* net_dev free */
+        if (mdp->tsu_addr)
+                iounmap(mdp->tsu_addr);
         if (ndev)
                 free_netdev(ndev);
 
@@ -1719,7 +1734,9 @@ out:
 static int sh_eth_drv_remove(struct platform_device *pdev)
 {
         struct net_device *ndev = platform_get_drvdata(pdev);
+        struct sh_eth_private *mdp = netdev_priv(ndev);
 
+        iounmap(mdp->tsu_addr);
         sh_mdio_release(ndev);
         unregister_netdev(ndev);
         pm_runtime_disable(&pdev->dev);
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index 1510a7ca956a..35a3adbb2e7a 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -207,6 +207,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
         [CEECR] = 0x0770,
         [MAFCR] = 0x0778,
 
+        [ARSTR] = 0x0000,
         [TSU_CTRST]     = 0x0004,
         [TSU_FWEN0]     = 0x0010,
         [TSU_FWEN1]     = 0x0014,
@@ -328,6 +329,7 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = {
         [TPAUSER]       = 0x01c4,
         [BCFR]  = 0x01cc,
 
+        [ARSTR] = 0x0000,
         [TSU_CTRST]     = 0x0004,
         [TSU_FWEN0]     = 0x0010,
         [TSU_FWEN1]     = 0x0014,
@@ -371,21 +373,6 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = {
 
 };
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
-/* This CPU register maps is very difference by other SH4 CPU */
-/* Chip Base Address */
-# define SH_TSU_ADDR    0xFEE01800
-# define ARSTR          SH_TSU_ADDR
-#elif defined(CONFIG_CPU_SH4)   /* #if defined(CONFIG_CPU_SUBTYPE_SH7763) */
-#else /* #elif defined(CONFIG_CPU_SH4) */
-/* This section is SH3 or SH2 */
-#ifndef CONFIG_CPU_SUBTYPE_SH7619
-/* Chip base address */
-# define SH_TSU_ADDR  0xA7000804
-# define ARSTR            0xA7000800
-#endif
-#endif /* CONFIG_CPU_SUBTYPE_SH7763 */
-
 /* Driver's parameters */
 #if defined(CONFIG_CPU_SH4)
 #define SH4_SKB_RX_ALIGN        32
@@ -770,6 +757,7 @@ struct sh_eth_cpu_data {
         unsigned mpr:1;                 /* EtherC have MPR */
         unsigned tpauser:1;             /* EtherC have TPAUSER */
         unsigned bculr:1;               /* EtherC have BCULR */
+        unsigned tsu:1;                 /* EtherC have TSU */
         unsigned hw_swap:1;             /* E-DMAC have DE bit in EDMR */
         unsigned rpadir:1;              /* E-DMAC have RPADIR */
         unsigned no_trimd:1;            /* E-DMAC DO NOT have TRIMD */