1 // SPDX-License-Identifier: GPL-2.0
3  * arch/arm/mach-ixp4xx/fsg-setup.c
5  * FSG board-setup
9  * based on ixdp425-setup.c:
10  *	Copyright (C) 2003-2004 MontaVista Software, Inc.
11  * based on nslu2-power.c
15  * Maintainers: http://www.nslu2-linux.org/
18 #include <linux/gpio.h>
26 #include <linux/gpio/machine.h>
28 #include <asm/mach-types.h>
51 	.name			= "IXP4XX-Flash",
61 	.dev_id		= "i2c-gpio.0",
71 	.name			= "i2c-gpio",
130 	.name		= "fsg-led",
131 	.id		= -1,
134 /* Built-in 10/100 Ethernet MAC interfaces */
203 	/* This is the paper-clip reset which does an emergency reboot. */  in fsg_reset_handler()
213 	uint8_t __iomem *f;  in fsg_init()  local
219 		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;  in fsg_init()
258 	f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000);  in fsg_init()
259 	if (f) {  in fsg_init()
263 			fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i);  in fsg_init()
264 			fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i);  in fsg_init()
269 		  Endian-swapped reads from unaligned addresses are  in fsg_init()
270 		  required to extract the two MACs from the big-endian  in fsg_init()
274 		fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421);  in fsg_init()
275 		fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420);  in fsg_init()
276 		fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427);  in fsg_init()
277 		fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426);  in fsg_init()
278 		fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425);  in fsg_init()
279 		fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424);  in fsg_init()
281 		fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439);  in fsg_init()
282 		fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F);  in fsg_init()
283 		fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E);  in fsg_init()
284 		fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D);  in fsg_init()
285 		fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C);  in fsg_init()
286 		fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443);  in fsg_init()
288 		iounmap(f);  in fsg_init()
297 MACHINE_START(FSG, "Freecom FSG-3")
298 	/* Maintainer: www.nslu2-linux.org */