net: sh_eth: Add support SH7724

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 111 insertions, 6 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 8de123d551ca..43a5254df98d 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -516,15 +516,16 @@ config STNIC
 config SH_ETH
         tristate "Renesas SuperH Ethernet support"
         depends on SUPERH && \
-                (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7763 || \
-                 CPU_SUBTYPE_SH7619)
+                (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \
+                 CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \
+                 CPU_SUBTYPE_SH7724)
         select CRC32
         select MII
         select MDIO_BITBANG
         select PHYLIB
         help
           Renesas SuperH Ethernet device driver.
-          This driver support SH7710, SH7712, SH7763 and SH7619.
+          This driver support SH7710, SH7712, SH7763, SH7619, and SH7724.
 
 config SUNLANCE
         tristate "Sun LANCE support"
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 19571f759610..cdd73b9c553d 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -34,7 +34,57 @@
 #include "sh_eth.h"
 
 /* There is CPU dependent code */
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
+#if defined(CONFIG_CPU_SUBTYPE_SH7724)
+#define SH_ETH_RESET_DEFAULT    1
+static void sh_eth_set_duplex(struct net_device *ndev)
+{
+        struct sh_eth_private *mdp = netdev_priv(ndev);
+        u32 ioaddr = ndev->base_addr;
+
+        if (mdp->duplex) /* Full */
+                ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM, ioaddr + ECMR);
+        else            /* Half */
+                ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM, ioaddr + ECMR);
+}
+
+static void sh_eth_set_rate(struct net_device *ndev)
+{
+        struct sh_eth_private *mdp = netdev_priv(ndev);
+        u32 ioaddr = ndev->base_addr;
+
+        switch (mdp->speed) {
+        case 10: /* 10BASE */
+                ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_RTM, ioaddr + ECMR);
+                break;
+        case 100:/* 100BASE */
+                ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_RTM, ioaddr + ECMR);
+                break;
+        default:
+                break;
+        }
+}
+
+/* SH7724 */
+static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
+        .set_duplex     = sh_eth_set_duplex,
+        .set_rate       = sh_eth_set_rate,
+
+        .ecsr_value     = ECSR_PSRTO | ECSR_LCHNG | ECSR_ICD,
+        .ecsipr_value   = ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | ECSIPR_ICDIP,
+        .eesipr_value   = DMAC_M_RFRMER | DMAC_M_ECI | 0x01ff009f,
+
+        .tx_check       = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO,
+        .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE |
+                          EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI,
+        .tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE,
+
+        .apr            = 1,
+        .mpr            = 1,
+        .tpauser        = 1,
+        .hw_swap        = 1,
+};
+
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
 #define SH_ETH_HAS_TSU  1
 static void sh_eth_chip_reset(struct net_device *ndev)
 {
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index eec6c4a7fbe7..9afe5b4c855d 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -40,6 +40,8 @@
 #define PKT_BUF_SZ              1538
 
 #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
@@ -141,7 +143,59 @@
 # define FWNLCR1         0xB0
 # define FWALCR1         0x40
 
-#else /* #elif defined(CONFIG_CPU_SUBTYPE_SH7763) */
+#elif defined(CONFIG_CPU_SH4)   /* #if defined(CONFIG_CPU_SUBTYPE_SH7763) */
+/* EtherC */
+#define ECMR            0x100
+#define RFLR            0x108
+#define ECSR            0x110
+#define ECSIPR          0x118
+#define PIR             0x120
+#define PSR             0x128
+#define RDMLR           0x140
+#define IPGR            0x150
+#define APR             0x154
+#define MPR             0x158
+#define TPAUSER         0x164
+#define RFCF            0x160
+#define TPAUSECR        0x168
+#define BCFRR           0x16c
+#define MAHR            0x1c0
+#define MALR            0x1c8
+#define TROCR           0x1d0
+#define CDCR            0x1d4
+#define LCCR            0x1d8
+#define CNDCR           0x1dc
+#define CEFCR           0x1e4
+#define FRECR           0x1e8
+#define TSFRCR          0x1ec
+#define TLFRCR          0x1f0
+#define RFCR            0x1f4
+#define MAFCR           0x1f8
+#define RTRATE          0x1fc
+
+/* E-DMAC */
+#define EDMR            0x000
+#define EDTRR           0x008
+#define EDRRR           0x010
+#define TDLAR           0x018
+#define RDLAR           0x020
+#define EESR            0x028
+#define EESIPR          0x030
+#define TRSCER          0x038
+#define RMFCR           0x040
+#define TFTR            0x048
+#define FDR             0x050
+#define RMCR            0x058
+#define TFUCR           0x064
+#define RFOCR           0x068
+#define FCFTR           0x070
+#define RPADIR          0x078
+#define TRIMD           0x07c
+#define RBWAR           0x0c8
+#define RDFAR           0x0cc
+#define TBRAR           0x0d4
+#define TDFAR           0x0d8
+#else /* #elif defined(CONFIG_CPU_SH4) */
 /* This section is SH3 or SH2 */
 #ifndef CONFIG_CPU_SUBTYPE_SH7619
 /* Chip base address */
@@ -426,7 +480,7 @@ enum FELIC_MODE_BIT {
         ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
         ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
         ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
-        ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004,
+        ECMR_RTM = 0x00000010, ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004,
         ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001,
 };