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[222.152.189.137]) by smtp.gmail.com with ESMTPSA id e24sm5779310pgi.17.2021.06.05.22.54.46 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 05 Jun 2021 22:54:47 -0700 (PDT) Received: by xplor.waratah.dyndns.org (Postfix, from userid 1000) id A5B7B3603D9; Sun, 6 Jun 2021 17:54:43 +1200 (NZST) From: Michael Schmitz To: linux-m68k@vger.kernel.org, geert@linux-m68k.org Cc: linux-ide@vger.kernel.org, fthain@linux-m68k.org, alex@kazik.de, Michael Schmitz Subject: [PATCH RFC 1/2] m68k: io_mm.h - add APNE 100 MBit support Date: Sun, 6 Jun 2021 17:54:36 +1200 Message-Id: <1622958877-2026-2-git-send-email-schmitzmic@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1622958877-2026-1-git-send-email-schmitzmic@gmail.com> References: <20210605060447.GA18461@allandria.com> <1622958877-2026-1-git-send-email-schmitzmic@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Add code to support 10 Mbit and 100 Mbit mode for APNE driver. A new ISA type ISA_TYPE_AG100 switches the Amiga ISA inb accessor to word access as required by the 100 Mbit cards. Patch modified after patch "[PATCH RFC net-next] Amiga PCMCIA 100 MBit card support" submitted to netdev 2018/09/16 by Alex Kazik . Signed-off-by: Michael Schmitz --- arch/m68k/include/asm/io_mm.h | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index f6b487b..71f694a 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -101,6 +101,11 @@ #define ISA_TYPE_Q40 (1) #define ISA_TYPE_AG (2) #define ISA_TYPE_ENEC (3) +#define ISA_TYPE_AG100 (4) /* for 100 MBit APNE card */ + +#if defined(CONFIG_APNE100MBIT) +#define MULTI_ISA 1 +#endif #if defined(CONFIG_Q40) && !defined(MULTI_ISA) #define ISA_TYPE ISA_TYPE_Q40 @@ -135,6 +140,9 @@ static inline u8 __iomem *isa_itb(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_IO_B(addr); #endif +#if defined(CONFIG_APNE100MBIT) + case ISA_TYPE_AG100: fallthrough; +#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr); #endif @@ -153,6 +161,9 @@ static inline u16 __iomem *isa_itw(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_IO_W(addr); #endif +#if defined(CONFIG_APNE100MBIT) + case ISA_TYPE_AG100: fallthrough; +#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr); #endif @@ -168,6 +179,9 @@ static inline u32 __iomem *isa_itl(unsigned long addr) { switch(ISA_TYPE) { +#if defined(CONFIG_APNE100MBIT) + case ISA_TYPE_AG100: fallthrough; +#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u32 __iomem *)AG_ISA_IO_W(addr); #endif @@ -181,6 +195,9 @@ static inline u8 __iomem *isa_mtb(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_MEM_B(addr); #endif +#if defined(CONFIG_APNE100MBIT) + case ISA_TYPE_AG100: fallthrough; +#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u8 __iomem *)addr; #endif @@ -199,6 +216,9 @@ static inline u16 __iomem *isa_mtw(unsigned long addr) #ifdef CONFIG_Q40 case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_MEM_W(addr); #endif +#if defined(CONFIG_APNE100MBIT) + case ISA_TYPE_AG100: fallthrough; +#endif #ifdef CONFIG_AMIGA_PCMCIA case ISA_TYPE_AG: return (u16 __iomem *)addr; #endif @@ -212,13 +232,16 @@ static inline u16 __iomem *isa_mtw(unsigned long addr) } -#define isa_inb(port) in_8(isa_itb(port)) #define isa_inw(port) (ISA_SEX ? in_be16(isa_itw(port)) : in_le16(isa_itw(port))) #define isa_inl(port) (ISA_SEX ? in_be32(isa_itl(port)) : in_le32(isa_itl(port))) #define isa_outb(val,port) out_8(isa_itb(port),(val)) #define isa_outw(val,port) (ISA_SEX ? out_be16(isa_itw(port),(val)) : out_le16(isa_itw(port),(val))) #define isa_outl(val,port) (ISA_SEX ? out_be32(isa_itl(port),(val)) : out_le32(isa_itl(port),(val))) +/* for APNE 100 Mbit cards - hope the APNE 100 case will be eliminated as + * dead code if MULTI_ISA is not set */ +#define isa_inb(port) ((ISA_TYPE == ISA_TYPE_AG100) ? ((port) & 1 ? isa_inw((port) - 1) & 0xff : isa_inw(port) >> 8) : in_8(isa_itb(port)) + #define isa_readb(p) in_8(isa_mtb((unsigned long)(p))) #define isa_readw(p) \ (ISA_SEX ? in_be16(isa_mtw((unsigned long)(p))) \ -- 2.7.4