diff options
| author | Michael Schmitz <schmitzmic@gmail.com> | 2013-04-06 04:26:40 +0400 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-04-16 23:20:14 +0400 |
| commit | 1d87a8f2911fe6c22416f4a5dc5e0362f5bb9ef4 (patch) | |
| tree | 423d2f6c42df815c3832bedc2b04bc0df159c2e6 /arch/m68k | |
| parent | 736b24db32a806f79b43511e461321981bcfd5bf (diff) | |
| download | linux-1d87a8f2911fe6c22416f4a5dc5e0362f5bb9ef4.tar.xz | |
m68k/atari: EtherNEC - add platform device support
Add platform device for the Atari ROM port ethernet adapter, EtherNEC.
This platform device will be used by the ne.c driver.
[Geert] Conditionalize platform device data structures
Signed-off-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/Kconfig.devices | 14 | ||||
| -rw-r--r-- | arch/m68k/atari/config.c | 54 |
2 files changed, 67 insertions, 1 deletions
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices index d50ecbf6d64f..d163991c5717 100644 --- a/arch/m68k/Kconfig.devices +++ b/arch/m68k/Kconfig.devices @@ -65,6 +65,20 @@ config ATARI_ETHERNAT To compile the actual ethernet driver, choose Y or M for the SMC91X option in the network device section; the module will be called smc91x. +config ATARI_ETHERNEC + bool "Atari EtherNEC Ethernet support" + depends on ATARI_ROM_ISA + ---help--- + Say Y to include support for the EtherNEC network adapter for the + ROM port. The driver works by polling instead of interrupts, so it + is quite slow. + + This driver also suppports the ethernet part of the NetUSBee ROM + port combined Ethernet/USB adapter. + + To compile the actual ethernet driver, choose Y or M in for the NE2000 + option in the network device section; the module will be called ne. + endmenu menu "Character devices" diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c index 49d1c750acb0..83ff931ad97a 100644 --- a/arch/m68k/atari/config.c +++ b/arch/m68k/atari/config.c @@ -659,7 +659,7 @@ static void atari_get_hardware_list(struct seq_file *m) /* * MSch: initial platform device support for Atari, - * required for EtherNAT driver + * required for EtherNAT/EtherNEC drivers */ #ifdef CONFIG_ATARI_ETHERNAT @@ -696,6 +696,43 @@ static struct platform_device *atari_ethernat_devices[] __initdata = { }; #endif /* CONFIG_ATARI_ETHERNAT */ +#ifdef CONFIG_ATARI_ETHERNEC +/* + * EtherNEC: RTL8019 (NE2000 compatible) Ethernet chipset, + * handled by ne.c driver + */ + +#define ATARI_ETHERNEC_PHYS_ADDR 0xfffa0000 +#define ATARI_ETHERNEC_BASE 0x300 +#define ATARI_ETHERNEC_IRQ IRQ_MFP_TIMER1 + +static struct resource rtl8019_resources[] = { + [0] = { + .name = "rtl8019-regs", + .start = ATARI_ETHERNEC_BASE, + .end = ATARI_ETHERNEC_BASE + 0x20 - 1, + .flags = IORESOURCE_IO, + }, + [1] = { + .name = "rtl8019-irq", + .start = ATARI_ETHERNEC_IRQ, + .end = ATARI_ETHERNEC_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device rtl8019_device = { + .name = "ne", + .id = -1, + .num_resources = ARRAY_SIZE(rtl8019_resources), + .resource = rtl8019_resources, +}; + +static struct platform_device *atari_ethernec_devices[] __initdata = { + &rtl8019_device +}; +#endif /* CONFIG_ATARI_ETHERNEC */ + int __init atari_platform_init(void) { int rv = 0; @@ -715,6 +752,21 @@ int __init atari_platform_init(void) } #endif +#ifdef CONFIG_ATARI_ETHERNEC + { + int error; + unsigned char *enec_virt; + enec_virt = (unsigned char *)ioremap((ATARI_ETHERNEC_PHYS_ADDR), 0xf); + if (hwreg_present(enec_virt)) { + error = platform_add_devices(atari_ethernec_devices, + ARRAY_SIZE(atari_ethernec_devices)); + if (error && !rv) + rv = error; + } + iounmap(enec_virt); + } +#endif + return rv; } |