/*
* sh_eth.h - Driver for Renesas SuperH ethernet controler.
*
- * Copyright (C) 2008, 2011 Renesas Solutions Corp.
- * Copyright (c) 2008, 2011 Nobuhiro Iwamatsu
+ * Copyright (C) 2008 - 2012 Renesas Solutions Corp.
+ * Copyright (c) 2008 - 2012 Nobuhiro Iwamatsu
* Copyright (c) 2007 Carlos Munoz <carlos@kenati.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <netdev.h>
#define SHETHER_NAME "sh_eth"
+#if defined(CONFIG_SH)
/* Malloc returns addresses in the P1 area (cacheable). However we need to
use area P2 (non-cacheable) */
#define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000))
#else
#define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000)
#endif
+#elif defined(CONFIG_ARM)
+#define inl readl
+#define outl writel
+#define ADDR_TO_PHY(addr) ((int)(addr))
+#define ADDR_TO_P2(addr) (addr)
+#endif /* defined(CONFIG_SH) */
/* Number of supported ports */
#define MAX_PORT_NUM 2
struct sh_eth_info port_info[MAX_PORT_NUM];
};
+/* from linux/drivers/net/ethernet/renesas/sh_eth.h */
+enum {
+ /* E-DMAC registers */
+ EDSR = 0,
+ EDMR,
+ EDTRR,
+ EDRRR,
+ EESR,
+ EESIPR,
+ TDLAR,
+ TDFAR,
+ TDFXR,
+ TDFFR,
+ RDLAR,
+ RDFAR,
+ RDFXR,
+ RDFFR,
+ TRSCER,
+ RMFCR,
+ TFTR,
+ FDR,
+ RMCR,
+ EDOCR,
+ TFUCR,
+ RFOCR,
+ FCFTR,
+ RPADIR,
+ TRIMD,
+ RBWAR,
+ TBRAR,
+
+ /* Ether registers */
+ ECMR,
+ ECSR,
+ ECSIPR,
+ PIR,
+ PSR,
+ RDMLR,
+ PIPR,
+ RFLR,
+ IPGR,
+ APR,
+ MPR,
+ PFTCR,
+ PFRCR,
+ RFCR,
+ RFCF,
+ TPAUSER,
+ TPAUSECR,
+ BCFR,
+ BCFRR,
+ GECMR,
+ BCULR,
+ MAHR,
+ MALR,
+ TROCR,
+ CDCR,
+ LCCR,
+ CNDCR,
+ CEFCR,
+ FRECR,
+ TSFRCR,
+ TLFRCR,
+ CERCR,
+ CEECR,
+ MAFCR,
+ RTRATE,
+ CSMR,
+ RMII_MII,
+
+ /* This value must be written at last. */
+ SH_ETH_MAX_REGISTER_OFFSET,
+};
+
+static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
+ [EDSR] = 0x0000,
+ [EDMR] = 0x0400,
+ [EDTRR] = 0x0408,
+ [EDRRR] = 0x0410,
+ [EESR] = 0x0428,
+ [EESIPR] = 0x0430,
+ [TDLAR] = 0x0010,
+ [TDFAR] = 0x0014,
+ [TDFXR] = 0x0018,
+ [TDFFR] = 0x001c,
+ [RDLAR] = 0x0030,
+ [RDFAR] = 0x0034,
+ [RDFXR] = 0x0038,
+ [RDFFR] = 0x003c,
+ [TRSCER] = 0x0438,
+ [RMFCR] = 0x0440,
+ [TFTR] = 0x0448,
+ [FDR] = 0x0450,
+ [RMCR] = 0x0458,
+ [RPADIR] = 0x0460,
+ [FCFTR] = 0x0468,
+ [CSMR] = 0x04E4,
+
+ [ECMR] = 0x0500,
+ [ECSR] = 0x0510,
+ [ECSIPR] = 0x0518,
+ [PIR] = 0x0520,
+ [PSR] = 0x0528,
+ [PIPR] = 0x052c,
+ [RFLR] = 0x0508,
+ [APR] = 0x0554,
+ [MPR] = 0x0558,
+ [PFTCR] = 0x055c,
+ [PFRCR] = 0x0560,
+ [TPAUSER] = 0x0564,
+ [GECMR] = 0x05b0,
+ [BCULR] = 0x05b4,
+ [MAHR] = 0x05c0,
+ [MALR] = 0x05c8,
+ [TROCR] = 0x0700,
+ [CDCR] = 0x0708,
+ [LCCR] = 0x0710,
+ [CEFCR] = 0x0740,
+ [FRECR] = 0x0748,
+ [TSFRCR] = 0x0750,
+ [TLFRCR] = 0x0758,
+ [RFCR] = 0x0760,
+ [CERCR] = 0x0768,
+ [CEECR] = 0x0770,
+ [MAFCR] = 0x0778,
+ [RMII_MII] = 0x0790,
+};
+
+static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
+ [ECMR] = 0x0100,
+ [RFLR] = 0x0108,
+ [ECSR] = 0x0110,
+ [ECSIPR] = 0x0118,
+ [PIR] = 0x0120,
+ [PSR] = 0x0128,
+ [RDMLR] = 0x0140,
+ [IPGR] = 0x0150,
+ [APR] = 0x0154,
+ [MPR] = 0x0158,
+ [TPAUSER] = 0x0164,
+ [RFCF] = 0x0160,
+ [TPAUSECR] = 0x0168,
+ [BCFRR] = 0x016c,
+ [MAHR] = 0x01c0,
+ [MALR] = 0x01c8,
+ [TROCR] = 0x01d0,
+ [CDCR] = 0x01d4,
+ [LCCR] = 0x01d8,
+ [CNDCR] = 0x01dc,
+ [CEFCR] = 0x01e4,
+ [FRECR] = 0x01e8,
+ [TSFRCR] = 0x01ec,
+ [TLFRCR] = 0x01f0,
+ [RFCR] = 0x01f4,
+ [MAFCR] = 0x01f8,
+ [RTRATE] = 0x01fc,
+
+ [EDMR] = 0x0000,
+ [EDTRR] = 0x0008,
+ [EDRRR] = 0x0010,
+ [TDLAR] = 0x0018,
+ [RDLAR] = 0x0020,
+ [EESR] = 0x0028,
+ [EESIPR] = 0x0030,
+ [TRSCER] = 0x0038,
+ [RMFCR] = 0x0040,
+ [TFTR] = 0x0048,
+ [FDR] = 0x0050,
+ [RMCR] = 0x0058,
+ [TFUCR] = 0x0064,
+ [RFOCR] = 0x0068,
+ [FCFTR] = 0x0070,
+ [RPADIR] = 0x0078,
+ [TRIMD] = 0x007c,
+ [RBWAR] = 0x00c8,
+ [RDFAR] = 0x00cc,
+ [TBRAR] = 0x00d4,
+ [TDFAR] = 0x00d8,
+};
+
/* Register Address */
-#ifdef CONFIG_CPU_SH7763
+#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
#define SH_ETH_TYPE_GETHER
#define BASE_IO_ADDR 0xfee00000
-
-#define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
-
-#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
-#define TDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0014)
-#define TDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
-#define TDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x001c)
-
-#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
-#define RDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0034)
-#define RDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
-#define RDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x003c)
-
-#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0400)
-#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0408)
-#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0410)
-#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0428)
-#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0430)
-#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0438)
-#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0448)
-#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0450)
-#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0458)
-#define RPADIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0460)
-#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0468)
-#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0500)
-#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0508)
-#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0518)
-#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0520)
-#define PIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x052c)
-#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0554)
-#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0558)
-#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0564)
-#define GECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05b0)
-#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8)
-#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0)
-
-#elif defined(CONFIG_CPU_SH7757)
+#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
+#if defined(CONFIG_SH_ETHER_USE_GETHER)
+#define SH_ETH_TYPE_GETHER
+#define BASE_IO_ADDR 0xfee00000
+#else
#define SH_ETH_TYPE_ETHER
#define BASE_IO_ADDR 0xfef00000
-
-#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
-#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0020)
-
-#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
-#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0008)
-#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
-#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0028)
-#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
-#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
-#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0048)
-#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0050)
-#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0058)
-#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0070)
-#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0100)
-#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0108)
-#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0118)
-#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0120)
-#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0154)
-#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0158)
-#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0164)
-#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c0)
-#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c8)
-#define RTRATE(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01fc)
-
+#endif
#elif defined(CONFIG_CPU_SH7724)
#define SH_ETH_TYPE_ETHER
#define BASE_IO_ADDR 0xA4600000
-
-#define TDLAR(port) (BASE_IO_ADDR + 0x0018)
-#define RDLAR(port) (BASE_IO_ADDR + 0x0020)
-
-#define EDMR(port) (BASE_IO_ADDR + 0x0000)
-#define EDTRR(port) (BASE_IO_ADDR + 0x0008)
-#define EDRRR(port) (BASE_IO_ADDR + 0x0010)
-#define EESR(port) (BASE_IO_ADDR + 0x0028)
-#define EESIPR(port) (BASE_IO_ADDR + 0x0030)
-#define TRSCER(port) (BASE_IO_ADDR + 0x0038)
-#define TFTR(port) (BASE_IO_ADDR + 0x0048)
-#define FDR(port) (BASE_IO_ADDR + 0x0050)
-#define RMCR(port) (BASE_IO_ADDR + 0x0058)
-#define FCFTR(port) (BASE_IO_ADDR + 0x0070)
-#define ECMR(port) (BASE_IO_ADDR + 0x0100)
-#define RFLR(port) (BASE_IO_ADDR + 0x0108)
-#define ECSIPR(port) (BASE_IO_ADDR + 0x0118)
-#define PIR(port) (BASE_IO_ADDR + 0x0120)
-#define APR(port) (BASE_IO_ADDR + 0x0154)
-#define MPR(port) (BASE_IO_ADDR + 0x0158)
-#define TPAUSER(port) (BASE_IO_ADDR + 0x0164)
-#define MAHR(port) (BASE_IO_ADDR + 0x01c0)
-#define MALR(port) (BASE_IO_ADDR + 0x01c8)
-
-#elif defined(CONFIG_CPU_SH7734)
+#elif defined(CONFIG_R8A7740)
#define SH_ETH_TYPE_GETHER
-#define BASE_IO_ADDR 0xFEE00000
-
-#define EDSR(port) (BASE_IO_ADDR)
-
-#define TDLAR(port) (BASE_IO_ADDR + 0x0010)
-#define TDFAR(port) (BASE_IO_ADDR + 0x0014)
-#define TDFXR(port) (BASE_IO_ADDR + 0x0018)
-#define TDFFR(port) (BASE_IO_ADDR + 0x001c)
-#define RDLAR(port) (BASE_IO_ADDR + 0x0030)
-#define RDFAR(port) (BASE_IO_ADDR + 0x0034)
-#define RDFXR(port) (BASE_IO_ADDR + 0x0038)
-#define RDFFR(port) (BASE_IO_ADDR + 0x003c)
-
-#define EDMR(port) (BASE_IO_ADDR + 0x0400)
-#define EDTRR(port) (BASE_IO_ADDR + 0x0408)
-#define EDRRR(port) (BASE_IO_ADDR + 0x0410)
-#define EESR(port) (BASE_IO_ADDR + 0x0428)
-#define EESIPR(port) (BASE_IO_ADDR + 0x0430)
-#define TRSCER(port) (BASE_IO_ADDR + 0x0438)
-#define TFTR(port) (BASE_IO_ADDR + 0x0448)
-#define FDR(port) (BASE_IO_ADDR + 0x0450)
-#define RMCR(port) (BASE_IO_ADDR + 0x0458)
-#define RPADIR(port) (BASE_IO_ADDR + 0x0460)
-#define FCFTR(port) (BASE_IO_ADDR + 0x0468)
-#define ECMR(port) (BASE_IO_ADDR + 0x0500)
-#define RFLR(port) (BASE_IO_ADDR + 0x0508)
-#define ECSIPR(port) (BASE_IO_ADDR + 0x0518)
-#define PIR(port) (BASE_IO_ADDR + 0x0520)
-#define PIPR(port) (BASE_IO_ADDR + 0x052c)
-#define APR(port) (BASE_IO_ADDR + 0x0554)
-#define MPR(port) (BASE_IO_ADDR + 0x0558)
-#define TPAUSER(port) (BASE_IO_ADDR + 0x0564)
-#define GECMR(port) (BASE_IO_ADDR + 0x05b0)
-#define MAHR(port) (BASE_IO_ADDR + 0x05C0)
-#define MALR(port) (BASE_IO_ADDR + 0x05C8)
-#define RMII_MII(port) (BASE_IO_ADDR + 0x0790)
-
+#define BASE_IO_ADDR 0xE9A00000
#endif
/*
/* GECMR */
enum GECMR_BIT {
+#if defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
+ GECMR_1000B = 0x20, GECMR_100B = 0x01, GECMR_10B = 0x00,
+#else
GECMR_1000B = 0x01, GECMR_100B = 0x04, GECMR_10B = 0x00,
+#endif
};
/* EDRRR*/
enum FIFO_SIZE_BIT {
FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
};
+
+static inline unsigned long sh_eth_reg_addr(struct sh_eth_dev *eth,
+ int enum_index)
+{
+#if defined(SH_ETH_TYPE_GETHER)
+ const u16 *reg_offset = sh_eth_offset_gigabit;
+#elif defined(SH_ETH_TYPE_ETHER)
+ const u16 *reg_offset = sh_eth_offset_fast_sh4;
+#else
+#error
+#endif
+ return BASE_IO_ADDR + reg_offset[enum_index] + 0x800 * eth->port;
+}
+
+static inline void sh_eth_write(struct sh_eth_dev *eth, unsigned long data,
+ int enum_index)
+{
+ outl(data, sh_eth_reg_addr(eth, enum_index));
+}
+
+static inline unsigned long sh_eth_read(struct sh_eth_dev *eth,
+ int enum_index)
+{
+ return inl(sh_eth_reg_addr(eth, enum_index));
+}
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