Release 4.14 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/export.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/of_net.h>
#include <asm/tsi108.h>
#include <linux/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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roy Zang | 73 | 98.65% | 2 | 66.67% |
| Stephen Rothwell | 1 | 1.35% | 1 | 33.33% |
| Total | 74 | 100.00% | 3 | 100.00% |
u32 get_vir_csrbase(void)
{
return (u32) (ioremap(get_csrbase(), 0x10000));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roy Zang | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(get_csrbase);
EXPORT_SYMBOL(get_vir_csrbase);
static int __init tsi108_eth_of_init(void)
{
struct device_node *np;
unsigned int i = 0;
struct platform_device *tsi_eth_dev;
struct resource res;
int ret;
for_each_compatible_node(np, "network", "tsi108-ethernet") {
struct resource r[2];
struct device_node *phy, *mdio;
hw_info tsi_eth_data;
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:%pR\n",
__func__, r[0].name, &r[0]);
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:%pR\n",
__func__, r[1].name, &r[1]);
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, "mdio-handle", NULL);
mdio = of_find_node_by_phandle(*ph);
ret = of_address_to_resource(mdio, 0, &res);
of_node_put(mdio);
if (ret)
goto unreg;
ph = of_get_property(np, "phy-handle", NULL);
phy = of_find_node_by_phandle(*ph);
if (phy == NULL) {
ret = -ENODEV;
goto unreg;
}
phy_id = of_get_property(phy, "reg", NULL);
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);
/* Some boards with the TSI108 bridge (e.g. Holly)
* have a miswiring of the ethernet PHYs which
* requires a workaround. The special
* "txc-rxc-delay-disable" property enables this
* workaround. FIXME: Need to port the tsi108_eth
* driver itself to phylib and use a non-misleading
* name for the workaround flag - it's not actually to
* do with the model of PHY in use */
if (of_get_property(phy, "txc-rxc-delay-disable", NULL))
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:
of_node_put(np);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roy Zang | 368 | 80.17% | 3 | 33.33% |
| David Gibson | 53 | 11.55% | 1 | 11.11% |
| Josh Boyer | 18 | 3.92% | 1 | 11.11% |
| Cyrill V. Gorcunov | 10 | 2.18% | 1 | 11.11% |
| Stephen Rothwell | 4 | 0.87% | 1 | 11.11% |
| Joe Perches | 4 | 0.87% | 1 | 11.11% |
| Harvey Harrison | 2 | 0.44% | 1 | 11.11% |
| Total | 459 | 100.00% | 9 | 100.00% |
arch_initcall(tsi108_eth_of_init);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Roy Zang | 557 | 85.17% | 3 | 25.00% |
| David Gibson | 53 | 8.10% | 1 | 8.33% |
| Josh Boyer | 18 | 2.75% | 1 | 8.33% |
| Cyrill V. Gorcunov | 10 | 1.53% | 1 | 8.33% |
| Stephen Rothwell | 5 | 0.76% | 1 | 8.33% |
| Joe Perches | 4 | 0.61% | 1 | 8.33% |
| David Daney | 3 | 0.46% | 1 | 8.33% |
| Harvey Harrison | 2 | 0.31% | 1 | 8.33% |
| Arun Sharma | 1 | 0.15% | 1 | 8.33% |
| Paul Gortmaker | 1 | 0.15% | 1 | 8.33% |
| Total | 654 | 100.00% | 12 | 100.00% |
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