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[222.152.189.137]) by smtp.gmail.com with ESMTPSA id q24sm4121470pgk.32.2021.06.16.22.28.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Jun 2021 22:28:54 -0700 (PDT) Received: by xplor.waratah.dyndns.org (Postfix, from userid 1000) id 1ED1336040F; Thu, 17 Jun 2021 17:28:51 +1200 (NZST) From: Michael Schmitz To: linux-m68k@vger.kernel.org, geert@linux-m68k.org Cc: alex@kazik.de, Michael Schmitz , netdev@vger.kernel.org Subject: [PATCH net-next v3 2/2] net/8390: apne.c - add 100 Mbit support to apne.c driver Date: Thu, 17 Jun 2021 17:28:32 +1200 Message-Id: <1623907712-29366-3-git-send-email-schmitzmic@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1623907712-29366-1-git-send-email-schmitzmic@gmail.com> References: <1623907712-29366-1-git-send-email-schmitzmic@gmail.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add Kconfig option, module parameter and PCMCIA reset code required to support 100 Mbit PCMCIA ethernet cards on Amiga. 10 Mbit and 100 Mbit mode are supported by the same module. A module parameter switches Amiga ISA IO accessors to word access by changing isa_type at runtime. Additional code to reset the PCMCIA hardware is also added to the driver probe. Patch modified after patch "[PATCH RFC net-next] Amiga PCMCIA 100 MBit card support" submitted to netdev 2018/09/16 by Alex Kazik . CC: netdev@vger.kernel.org Tested-by: Alex Kazik Signed-off-by: Michael Schmitz -- Changes from v1: - fix module parameter name in Kconfig help text Alex Kazik: - change module parameter type to bool, fix module parameter permission Changes from RFC: Geert Uytterhoeven: - change APNE_100MBIT to depend on APNE - change '---help---' to 'help' (former no longer supported) - fix whitespace errors - fix module_param_named() arg count - protect all added code by #ifdef CONFIG_APNE_100MBIT --- drivers/net/ethernet/8390/Kconfig | 12 ++++++++++++ drivers/net/ethernet/8390/apne.c | 21 +++++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index 9f4b302..6e4db63 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -143,6 +143,18 @@ config APNE To compile this driver as a module, choose M here: the module will be called apne. +config APNE100MBIT + bool "PCMCIA NE2000 100MBit support" + depends on APNE + default n + help + This changes the driver to support 10/100Mbit cards (e.g. Netgear + FA411, CNet Singlepoint). 10 MBit cards and 100 MBit cards are + supported by the same driver. + + To activate 100 Mbit support at runtime or from the kernel + command line, use the apne.100mbit module parameter. + config PCMCIA_PCNET tristate "NE2000 compatible PCMCIA support" depends on PCMCIA diff --git a/drivers/net/ethernet/8390/apne.c b/drivers/net/ethernet/8390/apne.c index fe6c834..59e41ad 100644 --- a/drivers/net/ethernet/8390/apne.c +++ b/drivers/net/ethernet/8390/apne.c @@ -120,6 +120,12 @@ static u32 apne_msg_enable; module_param_named(msg_enable, apne_msg_enable, uint, 0444); MODULE_PARM_DESC(msg_enable, "Debug message level (see linux/netdevice.h for bitmap)"); +#ifdef CONFIG_APNE100MBIT +static bool apne_100_mbit; +module_param_named(apne_100_mbit_msg, apne_100_mbit, bool, 0444); +MODULE_PARM_DESC(apne_100_mbit_msg, "Enable 100 Mbit support"); +#endif + struct net_device * __init apne_probe(int unit) { struct net_device *dev; @@ -139,6 +145,11 @@ struct net_device * __init apne_probe(int unit) if ( !(AMIGAHW_PRESENT(PCMCIA)) ) return ERR_PTR(-ENODEV); +#ifdef CONFIG_APNE100MBIT + if (apne_100_mbit) + isa_type = ISA_TYPE_AG16; +#endif + pr_info("Looking for PCMCIA ethernet card : "); /* check if a card is inserted */ @@ -590,6 +601,16 @@ static int init_pcmcia(void) #endif u_long offset; +#ifdef CONFIG_APNE100MBIT + /* reset card (idea taken from CardReset by Artur Pogoda) */ + { + u_char tmp = gayle.intreq; + + gayle.intreq = 0xff; mdelay(1); + gayle.intreq = tmp; mdelay(300); + } +#endif + pcmcia_reset(); pcmcia_program_voltage(PCMCIA_0V); pcmcia_access_speed(PCMCIA_SPEED_250NS); -- 2.7.4