Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Broadcom specific AMBA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Bus subsystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Licensed under the GNU/GPL. See COPYING for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "bcma_private.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/mmc/sdio_func.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/bcma/bcma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/of_address.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/of_irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) /* contains the number the next bus should get. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) static unsigned int bcma_bus_next_num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) /* bcma_buses_mutex locks the bcma_bus_next_num */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static DEFINE_MUTEX(bcma_buses_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static int bcma_bus_match(struct device *dev, struct device_driver *drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static int bcma_device_probe(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) static int bcma_device_remove(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	return sprintf(buf, "0x%03X\n", core->id.manuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static DEVICE_ATTR_RO(manuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	return sprintf(buf, "0x%03X\n", core->id.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static DEVICE_ATTR_RO(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	return sprintf(buf, "0x%02X\n", core->id.rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) static DEVICE_ATTR_RO(rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	return sprintf(buf, "0x%X\n", core->id.class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static DEVICE_ATTR_RO(class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static struct attribute *bcma_device_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	&dev_attr_manuf.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	&dev_attr_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	&dev_attr_rev.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	&dev_attr_class.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) ATTRIBUTE_GROUPS(bcma_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static struct bus_type bcma_bus_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	.name		= "bcma",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	.match		= bcma_bus_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	.probe		= bcma_device_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	.remove		= bcma_device_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	.uevent		= bcma_device_uevent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	.dev_groups	= bcma_device_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) static u16 bcma_cc_core_id(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		return BCMA_CORE_4706_CHIPCOMMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	return BCMA_CORE_CHIPCOMMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 					u8 unit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	list_for_each_entry(core, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		if (core->id.id == coreid && core->core_unit == unit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 			return core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) EXPORT_SYMBOL_GPL(bcma_find_core_unit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		     int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	unsigned long deadline = jiffies + timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		val = bcma_read32(core, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		if ((val & mask) == value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		cpu_relax();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		udelay(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	} while (!time_after_eq(jiffies, deadline));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static void bcma_release_core_dev(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (core->io_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		iounmap(core->io_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	if (core->io_wrap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		iounmap(core->io_wrap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	kfree(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static bool bcma_is_core_needed_early(u16 core_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	switch (core_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	case BCMA_CORE_NS_NAND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	case BCMA_CORE_NS_QSPI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static struct device_node *bcma_of_find_child_device(struct device *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 						     struct bcma_device *core)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	struct device_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	u64 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	const __be32 *reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	if (!parent->of_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	for_each_child_of_node(parent->of_node, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		reg = of_get_address(node, 0, &size, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		if (!reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		if (of_translate_address(node, reg) == core->addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			return node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) static int bcma_of_irq_parse(struct device *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 			     struct bcma_device *core,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 			     struct of_phandle_args *out_irq, int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	__be32 laddr[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	if (core->dev.of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		rc = of_irq_parse_one(core->dev.of_node, num, out_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 			return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	out_irq->np = parent->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	out_irq->args_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	out_irq->args[0] = num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	laddr[0] = cpu_to_be32(core->addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	return of_irq_parse_raw(laddr, out_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static unsigned int bcma_of_get_irq(struct device *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 				    struct bcma_device *core, int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	struct of_phandle_args out_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	ret = bcma_of_irq_parse(parent, core, &out_irq, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			   ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	return irq_create_of_mapping(&out_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static void bcma_of_fill_device(struct device *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 				struct bcma_device *core)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	struct device_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	node = bcma_of_find_child_device(parent, core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	if (node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		core->dev.of_node = node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	core->irq = bcma_of_get_irq(parent, core, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	of_dma_configure(&core->dev, node, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) unsigned int bcma_core_irq(struct bcma_device *core, int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct bcma_bus *bus = core->bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	unsigned int mips_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	switch (bus->hosttype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	case BCMA_HOSTTYPE_PCI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		return bus->host_pci->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	case BCMA_HOSTTYPE_SOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		if (bus->drv_mips.core && num == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			mips_irq = bcma_core_mips_irq(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			return mips_irq <= 4 ? mips_irq + 2 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		if (bus->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			return bcma_of_get_irq(bus->dev, core, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	case BCMA_HOSTTYPE_SDIO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) EXPORT_SYMBOL(bcma_core_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	device_initialize(&core->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	core->dev.release = bcma_release_core_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	core->dev.bus = &bcma_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	core->dev.parent = bus->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	if (bus->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		bcma_of_fill_device(bus->dev, core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	switch (bus->hosttype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	case BCMA_HOSTTYPE_PCI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		core->dma_dev = bus->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 		core->irq = bus->host_pci->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	case BCMA_HOSTTYPE_SOC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		if (IS_ENABLED(CONFIG_OF) && bus->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			core->dma_dev = bus->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			core->dev.dma_mask = &core->dev.coherent_dma_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			core->dma_dev = &core->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	case BCMA_HOSTTYPE_SDIO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) void bcma_init_bus(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	mutex_lock(&bcma_buses_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	bus->num = bcma_bus_next_num++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	mutex_unlock(&bcma_buses_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	INIT_LIST_HEAD(&bus->cores);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	bus->nr_cores = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	bcma_detect_chip(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	err = device_add(&core->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		bcma_err(bus, "Could not register dev for core 0x%03X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 			 core->id.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	core->dev_registered = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int bcma_register_devices(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	list_for_each_entry(core, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		/* We support that cores ourself */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		switch (core->id.id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		case BCMA_CORE_4706_CHIPCOMMON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 		case BCMA_CORE_CHIPCOMMON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		case BCMA_CORE_NS_CHIPCOMMON_B:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		case BCMA_CORE_PCI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		case BCMA_CORE_PCIE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		case BCMA_CORE_PCIE2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		case BCMA_CORE_MIPS_74K:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		case BCMA_CORE_4706_MAC_GBIT_COMMON:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		/* Early cores were already registered */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		if (bcma_is_core_needed_early(core->id.id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		/* Only first GMAC core on BCM4706 is connected and working */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 		if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		    core->core_unit > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		bcma_register_core(bus, core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) #ifdef CONFIG_BCMA_PFLASH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	if (bus->drv_cc.pflash.present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 		err = platform_device_register(&bcma_pflash_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 			bcma_err(bus, "Error registering parallel flash\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) #ifdef CONFIG_BCMA_SFLASH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	if (bus->drv_cc.sflash.present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		err = platform_device_register(&bcma_sflash_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 			bcma_err(bus, "Error registering serial flash\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) #ifdef CONFIG_BCMA_NFLASH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	if (bus->drv_cc.nflash.present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		err = platform_device_register(&bcma_nflash_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 			bcma_err(bus, "Error registering NAND flash\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	err = bcma_gpio_init(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	if (err == -ENOTSUPP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		bcma_debug(bus, "GPIO driver not activated\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	else if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		bcma_err(bus, "Error registering GPIO driver: %i\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		err = bcma_chipco_watchdog_register(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 			bcma_err(bus, "Error registering watchdog driver\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) void bcma_unregister_cores(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	struct bcma_device *core, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 		if (!core->dev_registered)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		list_del(&core->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		device_unregister(&core->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 		platform_device_unregister(bus->drv_cc.watchdog);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	/* Now noone uses internally-handled cores, we can free them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 		list_del(&core->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		put_device(&core->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) int bcma_bus_register(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	/* Scan for devices (cores) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	err = bcma_bus_scan(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		bcma_err(bus, "Failed to scan: %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	/* Early init CC core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	core = bcma_find_core(bus, bcma_cc_core_id(bus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		bus->drv_cc.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		bcma_core_chipcommon_early_init(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	/* Early init PCIE core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	core = bcma_find_core(bus, BCMA_CORE_PCIE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 		bus->drv_pci[0].core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 		bcma_core_pci_early_init(&bus->drv_pci[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	if (bus->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 		of_platform_default_populate(bus->dev->of_node, NULL, bus->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	/* Cores providing flash access go before SPROM init */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	list_for_each_entry(core, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 		if (bcma_is_core_needed_early(core->id.id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 			bcma_register_core(bus, core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	/* Try to get SPROM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	err = bcma_sprom_get(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	if (err == -ENOENT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 		bcma_err(bus, "No SPROM available\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	} else if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		bcma_err(bus, "Failed to get SPROM: %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	/* Init CC core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	core = bcma_find_core(bus, bcma_cc_core_id(bus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 		bus->drv_cc.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		bcma_core_chipcommon_init(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	/* Init CC core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		bus->drv_cc_b.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 		bcma_core_chipcommon_b_init(&bus->drv_cc_b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	/* Init MIPS core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 		bus->drv_mips.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		bcma_core_mips_init(&bus->drv_mips);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	/* Init PCIE core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		bus->drv_pci[0].core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 		bcma_core_pci_init(&bus->drv_pci[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	/* Init PCIE core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 		bus->drv_pci[1].core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 		bcma_core_pci_init(&bus->drv_pci[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	/* Init PCIe Gen 2 core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 		bus->drv_pcie2.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		bcma_core_pcie2_init(&bus->drv_pcie2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	/* Init GBIT MAC COMMON core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 		bus->drv_gmac_cmn.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 		bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	/* Register found cores */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	bcma_register_devices(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	bcma_info(bus, "Bus registered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) void bcma_bus_unregister(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	err = bcma_gpio_unregister(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	if (err == -EBUSY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 		bcma_err(bus, "Some GPIOs are still in use.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	else if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	bcma_core_chipcommon_b_free(&bus->drv_cc_b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	bcma_unregister_cores(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)  * This is a special version of bus registration function designed for SoCs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)  * It scans bus and performs basic initialization of main cores only.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)  * Please note it requires memory allocation, however it won't try to sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) int __init bcma_bus_early_register(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 	/* Scan for devices (cores) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	err = bcma_bus_scan(bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 		bcma_err(bus, "Failed to scan bus: %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	/* Early init CC core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	core = bcma_find_core(bus, bcma_cc_core_id(bus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 		bus->drv_cc.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 		bcma_core_chipcommon_early_init(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	/* Early init MIPS core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 	if (core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 		bus->drv_mips.core = core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 		bcma_core_mips_early_init(&bus->drv_mips);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	bcma_info(bus, "Early bus registered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) int bcma_bus_suspend(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	list_for_each_entry(core, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 		struct device_driver *drv = core->dev.driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 		if (drv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 			if (adrv->suspend)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 				adrv->suspend(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) int bcma_bus_resume(struct bcma_bus *bus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 	struct bcma_device *core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) 	/* Init CC core */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) 	if (bus->drv_cc.core) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 		bus->drv_cc.setup_done = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 		bcma_core_chipcommon_init(&bus->drv_cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	list_for_each_entry(core, &bus->cores, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 		struct device_driver *drv = core->dev.driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 		if (drv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 			if (adrv->resume)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 				adrv->resume(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 	drv->drv.name = drv->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 	drv->drv.bus = &bcma_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 	drv->drv.owner = owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	return driver_register(&drv->drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) EXPORT_SYMBOL_GPL(__bcma_driver_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) void bcma_driver_unregister(struct bcma_driver *drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 	driver_unregister(&drv->drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) EXPORT_SYMBOL_GPL(bcma_driver_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static int bcma_bus_match(struct device *dev, struct device_driver *drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 	const struct bcma_device_id *cid = &core->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 	const struct bcma_device_id *did;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 	for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 	    if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 		(did->id == cid->id || did->id == BCMA_ANY_ID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 		(did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 		(did->class == cid->class || did->class == BCMA_ANY_CLASS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) static int bcma_device_probe(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 					       drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 	get_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 	if (adrv->probe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 		err = adrv->probe(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 		put_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) static int bcma_device_remove(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 					       drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 	if (adrv->remove)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 		adrv->remove(core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 	put_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 	return add_uevent_var(env,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) 			      "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 			      core->id.manuf, core->id.id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 			      core->id.rev, core->id.class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) static unsigned int bcma_bus_registered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)  * If built-in, bus has to be registered early, before any driver calls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)  * bcma_driver_register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645)  * Otherwise registering driver would trigger BUG in driver_register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) static int __init bcma_init_bus_register(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	if (bcma_bus_registered)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 	err = bus_register(&bcma_bus_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) 	if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 		bcma_bus_registered = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) #ifndef MODULE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) fs_initcall(bcma_init_bus_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) /* Main initialization has to be done with SPI/mtd/NAND/SPROM available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) static int __init bcma_modinit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 	err = bcma_init_bus_register();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) 	err = bcma_host_soc_register_driver();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) 		pr_err("SoC host initialization failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) 		err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) #ifdef CONFIG_BCMA_HOST_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	err = bcma_host_pci_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 		pr_err("PCI host initialization failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 		err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) module_init(bcma_modinit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) static void __exit bcma_modexit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) #ifdef CONFIG_BCMA_HOST_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) 	bcma_host_pci_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) 	bcma_host_soc_unregister_driver();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) 	bus_unregister(&bcma_bus_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) module_exit(bcma_modexit)