1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
5  * Copyright (c) 1994-1998 Mark Brinicombe.
109 #define MPP_SEL(pin,func)	(((func) & 0xf) <<		\  argument
110     (((pin) % MPP_PINS_PER_REG) * 4))
122 	 * for all A38x-based platforms only.  in mv_busdma_tag_init()
124 	if ((node = OF_finddevice("/")) == -1){  in mv_busdma_tag_init()
167 	if ((node = OF_finddevice("mpp")) != -1)  in platform_mpp_init()
173 	if ((node = OF_finddevice("/")) == -1)  in platform_mpp_init()
176 	if ((node = fdt_find_compatible(node, "simple-bus", 0)) == 0)  in platform_mpp_init()
182 		 * first-stage loader and try to continue booting.  in platform_mpp_init()
205 	 * Process 'pin-count' and 'pin-map' props.  in platform_mpp_init()
207 	if (OF_getencprop(node, "pin-count", &pin_count, sizeof(pin_count)) <= 0)  in platform_mpp_init()
212 	if (OF_getencprop(node, "#pin-cells", &pin_cells, sizeof(pin_cells)) <= 0)  in platform_mpp_init()
219 	len = OF_getencprop(node, "pin-map", pinmap, sizeof(pinmap));  in platform_mpp_init()
228 	 * Fill out a "mpp[pin] => function" table. All pins unspecified in  in platform_mpp_init()
229 	 * the 'pin-map' property are defaulted to 0 function i.e. GPIO.  in platform_mpp_init()
248 			if (i + j == pin_count - 1)  in platform_mpp_init()
283 	 * Re-initialise MPP. It is important to call this prior to using  in mv_platform_gpio_init()
295 	 * Re-initialise decode windows  in mv_a38x_platform_late_init()
301 		printf("WARNING: could not re-initialise decode windows! "  in mv_a38x_platform_late_init()
309 	 * between Cortex-A9 CPUs and on-chip devices that may  in mv_a38x_platform_late_init()
324 	/* Open window to bootROM memory - needed for SMP */  in mv_a38x_platform_late_init()
335 	 * Re-initialise decode windows  in mv_axp_platform_late_init()
338 		printf("WARNING: could not re-initialise decode windows! "  in mv_axp_platform_late_init()
340 	if ((node = OF_finddevice("/")) == -1)  in mv_axp_platform_late_init()
363  * Construct devmap table with DT-derived config data.
374 	if ((root = OF_finddevice("/")) == -1)  in mv_a38x_platform_devmap_init()
422 	 * Acquire SoC registers' base passed by u-boot and fill devmap  in mv_axp_platform_devmap_init()