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[POWERPC] Add tsi108 pci and platform device data register function
Add Tundra Semiconductor tsi108 pci and platform device data register function support. Signed-off-by: Alexandre Bounine <alexandreb@tundra.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> --- Signed-off-by: Paul Mackerras <paulus@samba.org>
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Zang Roy-r61911
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Paul Mackerras
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Jun 29, 2006
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/* | ||
* 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. | ||
*/ | ||
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#include <linux/config.h> | ||
#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> | ||
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#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> | ||
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#undef DEBUG | ||
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#ifdef DEBUG | ||
#define DBG(fmt...) do { printk(fmt); } while(0) | ||
#else | ||
#define DBG(fmt...) do { } while(0) | ||
#endif | ||
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static phys_addr_t tsi108_csr_base = -1; | ||
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phys_addr_t get_csrbase(void) | ||
{ | ||
struct device_node *tsi; | ||
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if (tsi108_csr_base != -1) | ||
return tsi108_csr_base; | ||
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tsi = of_find_node_by_type(NULL, "tsi-bridge"); | ||
if (tsi) { | ||
unsigned int size; | ||
void *prop = get_property(tsi, "reg", &size); | ||
tsi108_csr_base = of_translate_address(tsi, prop); | ||
of_node_put(tsi); | ||
}; | ||
return tsi108_csr_base; | ||
} | ||
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u32 get_vir_csrbase(void) | ||
{ | ||
return (u32) (ioremap(get_csrbase(), 0x10000)); | ||
} | ||
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EXPORT_SYMBOL(get_csrbase); | ||
EXPORT_SYMBOL(get_vir_csrbase); | ||
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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; | ||
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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; | ||
unsigned int *id; | ||
unsigned int *phy_id; | ||
void *mac_addr; | ||
phandle *ph; | ||
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memset(r, 0, sizeof(r)); | ||
memset(&tsi_eth_data, 0, sizeof(tsi_eth_data)); | ||
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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; | ||
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r[1].name = "tx"; | ||
r[1].start = np->intrs[0].line; | ||
r[1].end = np->intrs[0].line; | ||
r[1].flags = IORESOURCE_IRQ; | ||
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tsi_eth_dev = | ||
platform_device_register_simple("tsi-ethernet", i, &r[0], | ||
np->n_intrs + 1); | ||
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if (IS_ERR(tsi_eth_dev)) { | ||
ret = PTR_ERR(tsi_eth_dev); | ||
goto err; | ||
} | ||
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mac_addr = get_property(np, "address", NULL); | ||
memcpy(tsi_eth_data.mac_addr, mac_addr, 6); | ||
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ph = (phandle *) get_property(np, "phy-handle", NULL); | ||
phy = of_find_node_by_phandle(*ph); | ||
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if (phy == NULL) { | ||
ret = -ENODEV; | ||
goto unreg; | ||
} | ||
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id = (u32 *) get_property(phy, "reg", NULL); | ||
phy_id = (u32 *) 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 = np->intrs[0].line; | ||
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; | ||
} | ||
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arch_initcall(tsi108_eth_of_init); |
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