479 lines
10 KiB
C
479 lines
10 KiB
C
/*
|
|
* FSL SoC setup code
|
|
*
|
|
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
|
|
*
|
|
* 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 <linux/fsl_devices.h>
|
|
|
|
#include <asm/system.h>
|
|
#include <asm/atomic.h>
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/prom.h>
|
|
#include <sysdev/fsl_soc.h>
|
|
#include <mm/mmu_decl.h>
|
|
|
|
static phys_addr_t immrbase = -1;
|
|
|
|
phys_addr_t get_immrbase(void)
|
|
{
|
|
struct device_node *soc;
|
|
|
|
if (immrbase != -1)
|
|
return immrbase;
|
|
|
|
soc = of_find_node_by_type(NULL, "soc");
|
|
if (soc) {
|
|
unsigned int size;
|
|
void *prop = get_property(soc, "reg", &size);
|
|
immrbase = of_translate_address(soc, prop);
|
|
of_node_put(soc);
|
|
};
|
|
|
|
return immrbase;
|
|
}
|
|
|
|
EXPORT_SYMBOL(get_immrbase);
|
|
|
|
static int __init gfar_mdio_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *mdio_dev;
|
|
struct resource res;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
|
|
i++) {
|
|
int k;
|
|
struct device_node *child = NULL;
|
|
struct gianfar_mdio_data mdio_data;
|
|
|
|
memset(&res, 0, sizeof(res));
|
|
memset(&mdio_data, 0, sizeof(mdio_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &res);
|
|
if (ret)
|
|
goto err;
|
|
|
|
mdio_dev =
|
|
platform_device_register_simple("fsl-gianfar_mdio",
|
|
res.start, &res, 1);
|
|
if (IS_ERR(mdio_dev)) {
|
|
ret = PTR_ERR(mdio_dev);
|
|
goto err;
|
|
}
|
|
|
|
for (k = 0; k < 32; k++)
|
|
mdio_data.irq[k] = -1;
|
|
|
|
while ((child = of_get_next_child(np, child)) != NULL) {
|
|
if (child->n_intrs) {
|
|
u32 *id =
|
|
(u32 *) get_property(child, "reg", NULL);
|
|
mdio_data.irq[*id] = child->intrs[0].line;
|
|
}
|
|
}
|
|
|
|
ret =
|
|
platform_device_add_data(mdio_dev, &mdio_data,
|
|
sizeof(struct gianfar_mdio_data));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(mdio_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(gfar_mdio_of_init);
|
|
|
|
static const char *gfar_tx_intr = "tx";
|
|
static const char *gfar_rx_intr = "rx";
|
|
static const char *gfar_err_intr = "error";
|
|
|
|
static int __init gfar_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *gfar_dev;
|
|
struct resource res;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
|
|
i++) {
|
|
struct resource r[4];
|
|
struct device_node *phy, *mdio;
|
|
struct gianfar_platform_data gfar_data;
|
|
unsigned int *id;
|
|
char *model;
|
|
void *mac_addr;
|
|
phandle *ph;
|
|
|
|
memset(r, 0, sizeof(r));
|
|
memset(&gfar_data, 0, sizeof(gfar_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
r[1].start = np->intrs[0].line;
|
|
r[1].end = np->intrs[0].line;
|
|
r[1].flags = IORESOURCE_IRQ;
|
|
|
|
model = get_property(np, "model", NULL);
|
|
|
|
/* If we aren't the FEC we have multiple interrupts */
|
|
if (model && strcasecmp(model, "FEC")) {
|
|
r[1].name = gfar_tx_intr;
|
|
|
|
r[2].name = gfar_rx_intr;
|
|
r[2].start = np->intrs[1].line;
|
|
r[2].end = np->intrs[1].line;
|
|
r[2].flags = IORESOURCE_IRQ;
|
|
|
|
r[3].name = gfar_err_intr;
|
|
r[3].start = np->intrs[2].line;
|
|
r[3].end = np->intrs[2].line;
|
|
r[3].flags = IORESOURCE_IRQ;
|
|
}
|
|
|
|
gfar_dev =
|
|
platform_device_register_simple("fsl-gianfar", i, &r[0],
|
|
np->n_intrs + 1);
|
|
|
|
if (IS_ERR(gfar_dev)) {
|
|
ret = PTR_ERR(gfar_dev);
|
|
goto err;
|
|
}
|
|
|
|
mac_addr = get_property(np, "address", NULL);
|
|
memcpy(gfar_data.mac_addr, mac_addr, 6);
|
|
|
|
if (model && !strcasecmp(model, "TSEC"))
|
|
gfar_data.device_flags =
|
|
FSL_GIANFAR_DEV_HAS_GIGABIT |
|
|
FSL_GIANFAR_DEV_HAS_COALESCE |
|
|
FSL_GIANFAR_DEV_HAS_RMON |
|
|
FSL_GIANFAR_DEV_HAS_MULTI_INTR;
|
|
if (model && !strcasecmp(model, "eTSEC"))
|
|
gfar_data.device_flags =
|
|
FSL_GIANFAR_DEV_HAS_GIGABIT |
|
|
FSL_GIANFAR_DEV_HAS_COALESCE |
|
|
FSL_GIANFAR_DEV_HAS_RMON |
|
|
FSL_GIANFAR_DEV_HAS_MULTI_INTR |
|
|
FSL_GIANFAR_DEV_HAS_CSUM |
|
|
FSL_GIANFAR_DEV_HAS_VLAN |
|
|
FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;
|
|
|
|
ph = (phandle *) get_property(np, "phy-handle", NULL);
|
|
phy = of_find_node_by_phandle(*ph);
|
|
|
|
if (phy == NULL) {
|
|
ret = -ENODEV;
|
|
goto unreg;
|
|
}
|
|
|
|
mdio = of_get_parent(phy);
|
|
|
|
id = (u32 *) get_property(phy, "reg", NULL);
|
|
ret = of_address_to_resource(mdio, 0, &res);
|
|
if (ret) {
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
goto unreg;
|
|
}
|
|
|
|
gfar_data.phy_id = *id;
|
|
gfar_data.bus_id = res.start;
|
|
|
|
of_node_put(phy);
|
|
of_node_put(mdio);
|
|
|
|
ret =
|
|
platform_device_add_data(gfar_dev, &gfar_data,
|
|
sizeof(struct
|
|
gianfar_platform_data));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(gfar_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(gfar_of_init);
|
|
|
|
static int __init fsl_i2c_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *i2c_dev;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_i2c_platform_data i2c_data;
|
|
unsigned char *flags = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&i2c_data, 0, sizeof(i2c_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
r[1].start = np->intrs[0].line;
|
|
r[1].end = np->intrs[0].line;
|
|
r[1].flags = IORESOURCE_IRQ;
|
|
|
|
i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
|
|
if (IS_ERR(i2c_dev)) {
|
|
ret = PTR_ERR(i2c_dev);
|
|
goto err;
|
|
}
|
|
|
|
i2c_data.device_flags = 0;
|
|
flags = get_property(np, "dfsrr", NULL);
|
|
if (flags)
|
|
i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
|
|
|
|
flags = get_property(np, "fsl5200-clocking", NULL);
|
|
if (flags)
|
|
i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
|
|
|
|
ret =
|
|
platform_device_add_data(i2c_dev, &i2c_data,
|
|
sizeof(struct
|
|
fsl_i2c_platform_data));
|
|
if (ret)
|
|
goto unreg;
|
|
}
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(i2c_dev);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fsl_i2c_of_init);
|
|
|
|
#ifdef CONFIG_PPC_83xx
|
|
static int __init mpc83xx_wdt_init(void)
|
|
{
|
|
struct resource r;
|
|
struct device_node *soc, *np;
|
|
struct platform_device *dev;
|
|
unsigned int *freq;
|
|
int ret;
|
|
|
|
np = of_find_compatible_node(NULL, "watchdog", "mpc83xx_wdt");
|
|
|
|
if (!np) {
|
|
ret = -ENODEV;
|
|
goto nodev;
|
|
}
|
|
|
|
soc = of_find_node_by_type(NULL, "soc");
|
|
|
|
if (!soc) {
|
|
ret = -ENODEV;
|
|
goto nosoc;
|
|
}
|
|
|
|
freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
|
|
if (!freq) {
|
|
ret = -ENODEV;
|
|
goto err;
|
|
}
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
|
|
ret = of_address_to_resource(np, 0, &r);
|
|
if (ret)
|
|
goto err;
|
|
|
|
dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
|
|
if (IS_ERR(dev)) {
|
|
ret = PTR_ERR(dev);
|
|
goto err;
|
|
}
|
|
|
|
ret = platform_device_add_data(dev, freq, sizeof(int));
|
|
if (ret)
|
|
goto unreg;
|
|
|
|
of_node_put(soc);
|
|
of_node_put(np);
|
|
|
|
return 0;
|
|
|
|
unreg:
|
|
platform_device_unregister(dev);
|
|
err:
|
|
of_node_put(soc);
|
|
nosoc:
|
|
of_node_put(np);
|
|
nodev:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(mpc83xx_wdt_init);
|
|
#endif
|
|
|
|
static enum fsl_usb2_phy_modes determine_usb_phy(char * phy_type)
|
|
{
|
|
if (!phy_type)
|
|
return FSL_USB2_PHY_NONE;
|
|
if (!strcasecmp(phy_type, "ulpi"))
|
|
return FSL_USB2_PHY_ULPI;
|
|
if (!strcasecmp(phy_type, "utmi"))
|
|
return FSL_USB2_PHY_UTMI;
|
|
if (!strcasecmp(phy_type, "utmi_wide"))
|
|
return FSL_USB2_PHY_UTMI_WIDE;
|
|
if (!strcasecmp(phy_type, "serial"))
|
|
return FSL_USB2_PHY_SERIAL;
|
|
|
|
return FSL_USB2_PHY_NONE;
|
|
}
|
|
|
|
static int __init fsl_usb_of_init(void)
|
|
{
|
|
struct device_node *np;
|
|
unsigned int i;
|
|
struct platform_device *usb_dev_mph = NULL, *usb_dev_dr = NULL;
|
|
int ret;
|
|
|
|
for (np = NULL, i = 0;
|
|
(np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_usb2_platform_data usb_data;
|
|
unsigned char *prop = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&usb_data, 0, sizeof(usb_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto err;
|
|
|
|
r[1].start = np->intrs[0].line;
|
|
r[1].end = np->intrs[0].line;
|
|
r[1].flags = IORESOURCE_IRQ;
|
|
|
|
usb_dev_mph =
|
|
platform_device_register_simple("fsl-ehci", i, r, 2);
|
|
if (IS_ERR(usb_dev_mph)) {
|
|
ret = PTR_ERR(usb_dev_mph);
|
|
goto err;
|
|
}
|
|
|
|
usb_dev_mph->dev.coherent_dma_mask = 0xffffffffUL;
|
|
usb_dev_mph->dev.dma_mask = &usb_dev_mph->dev.coherent_dma_mask;
|
|
|
|
usb_data.operating_mode = FSL_USB2_MPH_HOST;
|
|
|
|
prop = get_property(np, "port0", NULL);
|
|
if (prop)
|
|
usb_data.port_enables |= FSL_USB2_PORT0_ENABLED;
|
|
|
|
prop = get_property(np, "port1", NULL);
|
|
if (prop)
|
|
usb_data.port_enables |= FSL_USB2_PORT1_ENABLED;
|
|
|
|
prop = get_property(np, "phy_type", NULL);
|
|
usb_data.phy_mode = determine_usb_phy(prop);
|
|
|
|
ret =
|
|
platform_device_add_data(usb_dev_mph, &usb_data,
|
|
sizeof(struct
|
|
fsl_usb2_platform_data));
|
|
if (ret)
|
|
goto unreg_mph;
|
|
}
|
|
|
|
for (np = NULL;
|
|
(np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
|
|
i++) {
|
|
struct resource r[2];
|
|
struct fsl_usb2_platform_data usb_data;
|
|
unsigned char *prop = NULL;
|
|
|
|
memset(&r, 0, sizeof(r));
|
|
memset(&usb_data, 0, sizeof(usb_data));
|
|
|
|
ret = of_address_to_resource(np, 0, &r[0]);
|
|
if (ret)
|
|
goto unreg_mph;
|
|
|
|
r[1].start = np->intrs[0].line;
|
|
r[1].end = np->intrs[0].line;
|
|
r[1].flags = IORESOURCE_IRQ;
|
|
|
|
usb_dev_dr =
|
|
platform_device_register_simple("fsl-ehci", i, r, 2);
|
|
if (IS_ERR(usb_dev_dr)) {
|
|
ret = PTR_ERR(usb_dev_dr);
|
|
goto err;
|
|
}
|
|
|
|
usb_dev_dr->dev.coherent_dma_mask = 0xffffffffUL;
|
|
usb_dev_dr->dev.dma_mask = &usb_dev_dr->dev.coherent_dma_mask;
|
|
|
|
usb_data.operating_mode = FSL_USB2_DR_HOST;
|
|
|
|
prop = get_property(np, "phy_type", NULL);
|
|
usb_data.phy_mode = determine_usb_phy(prop);
|
|
|
|
ret =
|
|
platform_device_add_data(usb_dev_dr, &usb_data,
|
|
sizeof(struct
|
|
fsl_usb2_platform_data));
|
|
if (ret)
|
|
goto unreg_dr;
|
|
}
|
|
return 0;
|
|
|
|
unreg_dr:
|
|
if (usb_dev_dr)
|
|
platform_device_unregister(usb_dev_dr);
|
|
unreg_mph:
|
|
if (usb_dev_mph)
|
|
platform_device_unregister(usb_dev_mph);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
arch_initcall(fsl_usb_of_init);
|