[deliverable/linux.git] / arch / powerpc / sysdev / tsi108_dev.c

/*
 * tsi108/109 device setup code
 *
 * Maintained by Roy Zang < tie-fei.zang@freescale.com >
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/major.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <asm/tsi108.h>

#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>

#undef DEBUG

#ifdef DEBUG
#define DBG(fmt...) do { printk(fmt); } while(0)
#else
#define DBG(fmt...) do { } while(0)
#endif

static phys_addr_t tsi108_csr_base = -1;

phys_addr_t get_csrbase(void)
{
	struct device_node *tsi;

	if (tsi108_csr_base != -1)
		return tsi108_csr_base;

	tsi = of_find_node_by_type(NULL, "tsi-bridge");
	if (tsi) {
		unsigned int size;
		const void *prop = of_get_property(tsi, "reg", &size);
		tsi108_csr_base = of_translate_address(tsi, prop);
		of_node_put(tsi);
	};
	return tsi108_csr_base;
}

u32 get_vir_csrbase(void)
{
	return (u32) (ioremap(get_csrbase(), 0x10000));
}

EXPORT_SYMBOL(get_csrbase);
EXPORT_SYMBOL(get_vir_csrbase);

static int __init tsi108_eth_of_init(void)
{
	struct device_node *np;
	unsigned int i;
	struct platform_device *tsi_eth_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	     (np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL;
	     i++) {
		struct resource r[2];
		struct device_node *phy;
		hw_info tsi_eth_data;
		const unsigned int *id;
		const unsigned int *phy_id;
		const void *mac_addr;
		const phandle *ph;

		memset(r, 0, sizeof(r));
		memset(&tsi_eth_data, 0, sizeof(tsi_eth_data));

		ret = of_address_to_resource(np, 0, &r[0]);
		DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
			__FUNCTION__,r[0].name, r[0].start, r[0].end);
		if (ret)
			goto err;

		r[1].name = "tx";
		r[1].start = irq_of_parse_and_map(np, 0);
		r[1].end = irq_of_parse_and_map(np, 0);
		r[1].flags = IORESOURCE_IRQ;
		DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
			__FUNCTION__,r[1].name, r[1].start, r[1].end);

		tsi_eth_dev =
		    platform_device_register_simple("tsi-ethernet", i, &r[0],
						    1);

		if (IS_ERR(tsi_eth_dev)) {
			ret = PTR_ERR(tsi_eth_dev);
			goto err;
		}

		mac_addr = of_get_mac_address(np);
		if (mac_addr)
			memcpy(tsi_eth_data.mac_addr, mac_addr, 6);

		ph = of_get_property(np, "phy-handle", NULL);
		phy = of_find_node_by_phandle(*ph);

		if (phy == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		id = of_get_property(phy, "reg", NULL);
		phy_id = of_get_property(phy, "phy-id", NULL);
		ret = of_address_to_resource(phy, 0, &res);
		if (ret) {
			of_node_put(phy);
			goto unreg;
		}
		tsi_eth_data.regs = r[0].start;
		tsi_eth_data.phyregs = res.start;
		tsi_eth_data.phy = *phy_id;
		tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0);
		if (of_device_is_compatible(phy, "bcm54xx"))
			tsi_eth_data.phy_type = TSI108_PHY_BCM54XX;
		of_node_put(phy);
		ret =
		    platform_device_add_data(tsi_eth_dev, &tsi_eth_data,
					     sizeof(hw_info));
		if (ret)
			goto unreg;
	}
	return 0;
unreg:
	platform_device_unregister(tsi_eth_dev);
err:
	return ret;
}

arch_initcall(tsi108_eth_of_init);
Commit	Line	Data
2b9d7467 ZR	1	/*
	2	* tsi108/109 device setup code
	3	*
	4	* Maintained by Roy Zang < tie-fei.zang@freescale.com >
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2 of the License, or (at your
	9	* option) any later version.
	10	*/
	11
2b9d7467 ZR	12	#include <linux/stddef.h>
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/errno.h>
	16	#include <linux/major.h>
	17	#include <linux/delay.h>
	18	#include <linux/irq.h>
	19	#include <linux/module.h>
	20	#include <linux/device.h>
	21	#include <linux/platform_device.h>
	22	#include <asm/tsi108.h>
	23
	24	#include <asm/system.h>
	25	#include <asm/atomic.h>
	26	#include <asm/io.h>
	27	#include <asm/irq.h>
	28	#include <asm/prom.h>
	29	#include <mm/mmu_decl.h>
	30
	31	#undef DEBUG
	32
	33	#ifdef DEBUG
	34	#define DBG(fmt...) do { printk(fmt); } while(0)
	35	#else
	36	#define DBG(fmt...) do { } while(0)
	37	#endif
	38
	39	static phys_addr_t tsi108_csr_base = -1;
	40
	41	phys_addr_t get_csrbase(void)
	42	{
	43	struct device_node *tsi;
	44
	45	if (tsi108_csr_base != -1)
	46	return tsi108_csr_base;
	47
	48	tsi = of_find_node_by_type(NULL, "tsi-bridge");
	49	if (tsi) {
	50	unsigned int size;
e2eb6392	51	const void *prop = of_get_property(tsi, "reg", &size);
2b9d7467 ZR	52	tsi108_csr_base = of_translate_address(tsi, prop);
	53	of_node_put(tsi);
	54	};
	55	return tsi108_csr_base;
	56	}
	57
	58	u32 get_vir_csrbase(void)
	59	{
	60	return (u32) (ioremap(get_csrbase(), 0x10000));
	61	}
	62
	63	EXPORT_SYMBOL(get_csrbase);
	64	EXPORT_SYMBOL(get_vir_csrbase);
	65
	66	static int __init tsi108_eth_of_init(void)
	67	{
	68	struct device_node *np;
	69	unsigned int i;
	70	struct platform_device *tsi_eth_dev;
	71	struct resource res;
	72	int ret;
	73
	74	for (np = NULL, i = 0;
	75	(np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL;
	76	i++) {
	77	struct resource r[2];
	78	struct device_node *phy;
	79	hw_info tsi_eth_data;
e2eb6392 SR	80	const unsigned int *id;
e2eb6392 SR	81	const unsigned int *phy_id;
c3386e40	82	const void *mac_addr;
e2eb6392	83	const phandle *ph;
2b9d7467 ZR	84
	85	memset(r, 0, sizeof(r));
	86	memset(&tsi_eth_data, 0, sizeof(tsi_eth_data));
	87
	88	ret = of_address_to_resource(np, 0, &r[0]);
	89	DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
	90	__FUNCTION__,r[0].name, r[0].start, r[0].end);
	91	if (ret)
	92	goto err;
	93
	94	r[1].name = "tx";
c4342ff9 ZR	95	r[1].start = irq_of_parse_and_map(np, 0);
c4342ff9 ZR	96	r[1].end = irq_of_parse_and_map(np, 0);
2b9d7467	97	r[1].flags = IORESOURCE_IRQ;
c4342ff9 ZR	98	DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
c4342ff9 ZR	99	__FUNCTION__,r[1].name, r[1].start, r[1].end);
2b9d7467 ZR	100
	101	tsi_eth_dev =
	102	platform_device_register_simple("tsi-ethernet", i, &r[0],
c4342ff9	103	1);
2b9d7467 ZR	104
	105	if (IS_ERR(tsi_eth_dev)) {
	106	ret = PTR_ERR(tsi_eth_dev);
	107	goto err;
	108	}
	109
c1b78d05 JB	110	mac_addr = of_get_mac_address(np);
	111	if (mac_addr)
	112	memcpy(tsi_eth_data.mac_addr, mac_addr, 6);
2b9d7467	113
e2eb6392	114	ph = of_get_property(np, "phy-handle", NULL);
2b9d7467 ZR	115	phy = of_find_node_by_phandle(*ph);
	116
	117	if (phy == NULL) {
	118	ret = -ENODEV;
	119	goto unreg;
	120	}
	121
e2eb6392 SR	122	id = of_get_property(phy, "reg", NULL);
e2eb6392 SR	123	phy_id = of_get_property(phy, "phy-id", NULL);
2b9d7467 ZR	124	ret = of_address_to_resource(phy, 0, &res);
	125	if (ret) {
	126	of_node_put(phy);
	127	goto unreg;
	128	}
	129	tsi_eth_data.regs = r[0].start;
	130	tsi_eth_data.phyregs = res.start;
	131	tsi_eth_data.phy = *phy_id;
c4342ff9	132	tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0);
c1b78d05 JB	133	if (of_device_is_compatible(phy, "bcm54xx"))
c1b78d05 JB	134	tsi_eth_data.phy_type = TSI108_PHY_BCM54XX;
2b9d7467 ZR	135	of_node_put(phy);
	136	ret =
	137	platform_device_add_data(tsi_eth_dev, &tsi_eth_data,
	138	sizeof(hw_info));
	139	if (ret)
	140	goto unreg;
	141	}
	142	return 0;
	143	unreg:
	144	platform_device_unregister(tsi_eth_dev);
	145	err:
	146	return ret;
	147	}
	148
	149	arch_initcall(tsi108_eth_of_init);