1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/io.h>
9 #include "mcb-internal.h"
52 		return -ENOMEM;  in chameleon_parse_gdd()
54 	reg1 = readl(&gdd->reg1);  in chameleon_parse_gdd()
55 	reg2 = readl(&gdd->reg2);  in chameleon_parse_gdd()
56 	offset = readl(&gdd->offset);  in chameleon_parse_gdd()
57 	size = readl(&gdd->size);  in chameleon_parse_gdd()
59 	mdev->id = GDD_DEV(reg1);  in chameleon_parse_gdd()
60 	mdev->rev = GDD_REV(reg1);  in chameleon_parse_gdd()
61 	mdev->var = GDD_VAR(reg1);  in chameleon_parse_gdd()
62 	mdev->bar = GDD_BAR(reg2);  in chameleon_parse_gdd()
63 	mdev->group = GDD_GRP(reg2);  in chameleon_parse_gdd()
64 	mdev->inst = GDD_INS(reg2);  in chameleon_parse_gdd()
68 	 * device is IO mapped we just print a warning and go on with the  in chameleon_parse_gdd()
71 	if (mdev->bar > bar_count - 1) {  in chameleon_parse_gdd()
72 		pr_info("No BAR for 16z%03d\n", mdev->id);  in chameleon_parse_gdd()
77 	dev_mapbase = cb[mdev->bar].addr;  in chameleon_parse_gdd()
79 		pr_info("BAR not assigned for 16z%03d\n", mdev->id);  in chameleon_parse_gdd()
85 		pr_info("IO mapped Device (16z%03d) not yet supported\n",  in chameleon_parse_gdd()
86 			mdev->id);  in chameleon_parse_gdd()
91 	pr_debug("Found a 16z%03d\n", mdev->id);  in chameleon_parse_gdd()
93 	mdev->irq.start = GDD_IRQ(reg1);  in chameleon_parse_gdd()
94 	mdev->irq.end = GDD_IRQ(reg1);  in chameleon_parse_gdd()
95 	mdev->irq.flags = IORESOURCE_IRQ;  in chameleon_parse_gdd()
97 	mdev->mem.start = dev_mapbase + offset;  in chameleon_parse_gdd()
99 	mdev->mem.end = mdev->mem.start + size - 1;  in chameleon_parse_gdd()
100 	mdev->mem.flags = IORESOURCE_MEM;  in chameleon_parse_gdd()
102 	mdev->is_added = false;  in chameleon_parse_gdd()
138 	__le32 reg;  in chameleon_get_bar()  local
143 	 * to the PCI Bus (e.g. LPC) there is a bar  in chameleon_get_bar()
150 		reg = readl(*base);  in chameleon_get_bar()
152 		bar_count = BAR_CNT(reg);  in chameleon_get_bar()
154 			return -ENODEV;  in chameleon_get_bar()
159 			return -ENOMEM;  in chameleon_get_bar()
166 			return -ENOMEM;  in chameleon_get_bar()
169 		c->addr = mapbase;  in chameleon_get_bar()
193 		return -ENOMEM;  in chameleon_parse_cells()
198 	header->magic = le16_to_cpu(header->magic);  in chameleon_parse_cells()
199 	if (header->magic != CHAMELEONV2_MAGIC) {  in chameleon_parse_cells()
201 				header->magic);  in chameleon_parse_cells()
202 		ret = -ENODEV;  in chameleon_parse_cells()
207 	bus->revision = header->revision;  in chameleon_parse_cells()
208 	bus->model = header->model;  in chameleon_parse_cells()
209 	bus->minor = header->minor;  in chameleon_parse_cells()
210 	snprintf(bus->name, CHAMELEON_FILENAME_LEN + 1, "%s",  in chameleon_parse_cells()
211 		 header->filename);  in chameleon_parse_cells()
236 			ret = -EINVAL;  in chameleon_parse_cells()
243 		num_cells = -EINVAL;  in chameleon_parse_cells()