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Manual merge of:
	drivers/net/fec_mpc52xx.c
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Benjamin Herrenschmidt committed Jun 18, 2009
2 parents 4b337c5 + e7c5a4f commit b71a107
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Showing 18 changed files with 91 additions and 149 deletions.
26 changes: 4 additions & 22 deletions arch/powerpc/boot/dts/pcm030.dts
Original file line number Diff line number Diff line change
Expand Up @@ -258,34 +258,16 @@
compatible = "nxp,pcf8563";
reg = <0x51>;
};
/* FIXME: EEPROM */
eeprom@52 {
compatible = "catalyst,24c32";
reg = <0x52>;
};
};

sram@8000 {
compatible = "fsl,mpc5200b-sram","fsl,mpc5200-sram";
reg = <0x8000 0x4000>;
};

/* This is only an example device to show the usage of gpios. It maps all available
* gpios to the "gpio-provider" device.
*/
gpio {
compatible = "gpio-provider";

/* mpc52xx exp.con patchfield */
gpios = <&gpio_wkup 0 0 /* GPIO_WKUP_7 11d jp13-3 */
&gpio_wkup 1 0 /* GPIO_WKUP_6 14c */
&gpio_wkup 6 0 /* PSC2_4 43c x5-11 */
&gpio_simple 2 0 /* IRDA_1 24c x7-6 set GPS_PORT_CONFIG[IRDA] = 0 */
&gpio_simple 3 0 /* IRDA_0 x8-5 set GPS_PORT_CONFIG[IRDA] = 0 */
&gpt2 0 0 /* timer2 12d x4-4 */
&gpt3 0 0 /* timer3 13d x6-4 */
&gpt4 0 0 /* timer4 61c x2-16 */
&gpt5 0 0 /* timer5 44c x7-11 */
&gpt6 0 0 /* timer6 60c x8-15 */
&gpt7 0 0 /* timer7 36a x17-9 */
>;
};
};

pci@f0000d00 {
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2 changes: 1 addition & 1 deletion arch/powerpc/include/asm/mpc52xx.h
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#ifndef __ASSEMBLY__
#include <asm/types.h>
#include <asm/prom.h>
#include <asm/mpc5xxx.h>
#endif /* __ASSEMBLY__ */

#include <linux/suspend.h>
Expand Down Expand Up @@ -268,7 +269,6 @@ struct mpc52xx_intr {
#ifndef __ASSEMBLY__

/* mpc52xx_common.c */
extern unsigned int mpc52xx_find_ipb_freq(struct device_node *node);
extern void mpc5200_setup_xlb_arbiter(void);
extern void mpc52xx_declare_of_platform_devices(void);
extern void mpc52xx_map_common_devices(void);
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
* Author: John Rigby, <jrigby@freescale.com>, Friday Apr 13 2007
*
* Description:
* MPC5121 Prototypes and definitions
* MPC5xxx Prototypes and definitions
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
Expand All @@ -13,10 +13,10 @@
*
*/

#ifndef __ASM_POWERPC_MPC512x_H__
#define __ASM_POWERPC_MPC512x_H__
#ifndef __ASM_POWERPC_MPC5xxx_H__
#define __ASM_POWERPC_MPC5xxx_H__

extern unsigned long mpc512x_find_ips_freq(struct device_node *node);
extern unsigned long mpc5xxx_get_bus_frequency(struct device_node *node);

#endif /* __ASM_POWERPC_MPC512x_H__ */
#endif /* __ASM_POWERPC_MPC5xxx_H__ */

10 changes: 5 additions & 5 deletions arch/powerpc/platforms/512x/clock.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
#include <linux/io.h>

#include <linux/of_platform.h>
#include <asm/mpc512x.h>
#include <asm/mpc5xxx.h>
#include <asm/clk_interface.h>

#undef CLK_DEBUG
Expand Down Expand Up @@ -83,13 +83,13 @@ static void dump_clocks(void)
mutex_lock(&clocks_mutex);
printk(KERN_INFO "CLOCKS:\n");
list_for_each_entry(p, &clocks, node) {
printk(KERN_INFO " %s %ld", p->name, p->rate);
pr_info(" %s=%ld", p->name, p->rate);
if (p->parent)
printk(KERN_INFO " %s %ld", p->parent->name,
pr_cont(" %s=%ld", p->parent->name,
p->parent->rate);
if (p->flags & CLK_HAS_CTRL)
printk(KERN_INFO " reg/bit %d/%d", p->reg, p->bit);
printk("\n");
pr_cont(" reg/bit=%d/%d", p->reg, p->bit);
pr_cont("\n");
}
mutex_unlock(&clocks_mutex);
}
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1 change: 0 additions & 1 deletion arch/powerpc/platforms/512x/mpc512x.h
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@

#ifndef __MPC512X_H__
#define __MPC512X_H__
extern unsigned long mpc512x_find_ips_freq(struct device_node *node);
extern void __init mpc512x_init_IRQ(void);
void __init mpc512x_declare_of_platform_devices(void);
#endif /* __MPC512X_H__ */
23 changes: 0 additions & 23 deletions arch/powerpc/platforms/512x/mpc512x_shared.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,29 +24,6 @@

#include "mpc512x.h"

unsigned long
mpc512x_find_ips_freq(struct device_node *node)
{
struct device_node *np;
const unsigned int *p_ips_freq = NULL;

of_node_get(node);
while (node) {
p_ips_freq = of_get_property(node, "bus-frequency", NULL);
if (p_ips_freq)
break;

np = of_get_parent(node);
of_node_put(node);
node = np;
}
if (node)
of_node_put(node);

return p_ips_freq ? *p_ips_freq : 0;
}
EXPORT_SYMBOL(mpc512x_find_ips_freq);

void __init mpc512x_init_IRQ(void)
{
struct device_node *np;
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32 changes: 1 addition & 31 deletions arch/powerpc/platforms/52xx/mpc52xx_common.c
Original file line number Diff line number Diff line change
Expand Up @@ -47,36 +47,6 @@ static DEFINE_SPINLOCK(mpc52xx_lock);
static struct mpc52xx_gpt __iomem *mpc52xx_wdt;
static struct mpc52xx_cdm __iomem *mpc52xx_cdm;

/**
* mpc52xx_find_ipb_freq - Find the IPB bus frequency for a device
* @node: device node
*
* Returns IPB bus frequency, or 0 if the bus frequency cannot be found.
*/
unsigned int
mpc52xx_find_ipb_freq(struct device_node *node)
{
struct device_node *np;
const unsigned int *p_ipb_freq = NULL;

of_node_get(node);
while (node) {
p_ipb_freq = of_get_property(node, "bus-frequency", NULL);
if (p_ipb_freq)
break;

np = of_get_parent(node);
of_node_put(node);
node = np;
}
if (node)
of_node_put(node);

return p_ipb_freq ? *p_ipb_freq : 0;
}
EXPORT_SYMBOL(mpc52xx_find_ipb_freq);


/*
* Configure the XLB arbiter settings to match what Linux expects.
*/
Expand Down Expand Up @@ -221,7 +191,7 @@ unsigned int mpc52xx_get_xtal_freq(struct device_node *node)
if (!mpc52xx_cdm)
return 0;

freq = mpc52xx_find_ipb_freq(node);
freq = mpc5xxx_get_bus_frequency(node);
if (!freq)
return 0;

Expand Down
3 changes: 3 additions & 0 deletions arch/powerpc/sysdev/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,9 @@ obj-$(CONFIG_PPC_DCR) += dcr.o
obj-$(CONFIG_8xx) += mpc8xx_pic.o cpm1.o
obj-$(CONFIG_UCODE_PATCH) += micropatch.o

obj-$(CONFIG_PPC_MPC512x) += mpc5xxx_clocks.o
obj-$(CONFIG_PPC_MPC52xx) += mpc5xxx_clocks.o

ifeq ($(CONFIG_SUSPEND),y)
obj-$(CONFIG_6xx) += 6xx-suspend.o
endif
33 changes: 33 additions & 0 deletions arch/powerpc/sysdev/mpc5xxx_clocks.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
/**
* mpc5xxx_get_bus_frequency - Find the bus frequency for a device
* @node: device node
*
* Returns bus frequency (IPS on MPC512x, IPB on MPC52xx),
* or 0 if the bus frequency cannot be found.
*/

#include <linux/kernel.h>
#include <linux/of_platform.h>

unsigned int
mpc5xxx_get_bus_frequency(struct device_node *node)
{
struct device_node *np;
const unsigned int *p_bus_freq = NULL;

of_node_get(node);
while (node) {
p_bus_freq = of_get_property(node, "bus-frequency", NULL);
if (p_bus_freq)
break;

np = of_get_parent(node);
of_node_put(node);
node = np;
}
if (node)
of_node_put(node);

return p_bus_freq ? *p_bus_freq : 0;
}
EXPORT_SYMBOL(mpc5xxx_get_bus_frequency);
2 changes: 1 addition & 1 deletion drivers/ata/pata_mpc52xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -694,7 +694,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
struct bcom_task *dmatsk = NULL;

/* Get ipb frequency */
ipb_freq = mpc52xx_find_ipb_freq(op->node);
ipb_freq = mpc5xxx_get_bus_frequency(op->node);
if (!ipb_freq) {
dev_err(&op->dev, "could not determine IPB bus frequency\n");
return -ENODEV;
Expand Down
2 changes: 1 addition & 1 deletion drivers/i2c/busses/i2c-mpc.c
Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
return -EINVAL;

/* Determine divider value */
divider = mpc52xx_find_ipb_freq(node) / clock;
divider = mpc5xxx_get_bus_frequency(node) / clock;

/*
* We want to choose an FDR/DFSR that generates an I2C bus speed that
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/fec_mpc52xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -948,7 +948,7 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
/* Start with safe defaults for link connection */
priv->speed = 100;
priv->duplex = DUPLEX_HALF;
priv->mdio_speed = ((mpc52xx_find_ipb_freq(op->node) >> 20) / 5) << 1;
priv->mdio_speed = ((mpc5xxx_get_bus_frequency(op->node) >> 20) / 5) << 1;

/* The current speed preconfigures the speed of the MII link */
prop = of_get_property(op->node, "current-speed", &prop_size);
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2 changes: 1 addition & 1 deletion drivers/net/fec_mpc52xx_phy.c
Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,

/* set MII speed */
out_be32(&priv->regs->mii_speed,
((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1);
((mpc5xxx_get_bus_frequency(of->node) >> 20) / 5) << 1);

err = of_mdiobus_register(bus, np);
if (err)
Expand Down
5 changes: 2 additions & 3 deletions drivers/serial/mpc52xx_uart.c
Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,6 @@
#include <linux/of_platform.h>

#include <asm/mpc52xx.h>
#include <asm/mpc512x.h>
#include <asm/mpc52xx_psc.h>

#if defined(CONFIG_SERIAL_MPC52xx_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
Expand Down Expand Up @@ -254,7 +253,7 @@ static unsigned long mpc52xx_getuartclk(void *p)
* but the generic serial code assumes 16
* so return ipb freq / 2
*/
return mpc52xx_find_ipb_freq(p) / 2;
return mpc5xxx_get_bus_frequency(p) / 2;
}

static struct psc_ops mpc52xx_psc_ops = {
Expand Down Expand Up @@ -391,7 +390,7 @@ static void mpc512x_psc_cw_restore_ints(struct uart_port *port)

static unsigned long mpc512x_getuartclk(void *p)
{
return mpc512x_find_ips_freq(p);
return mpc5xxx_get_bus_frequency(p);
}

static struct psc_ops mpc512x_psc_ops = {
Expand Down
22 changes: 9 additions & 13 deletions drivers/spi/mpc52xx_psc_spi.c
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
Expand All @@ -30,8 +31,7 @@

struct mpc52xx_psc_spi {
/* fsl_spi_platform data */
void (*activate_cs)(u8, u8);
void (*deactivate_cs)(u8, u8);
void (*cs_control)(struct spi_device *spi, bool on);
u32 sysclk;

/* driver internal data */
Expand Down Expand Up @@ -111,18 +111,16 @@ static void mpc52xx_psc_spi_activate_cs(struct spi_device *spi)
out_be16((u16 __iomem *)&psc->ccr, ccr);
mps->bits_per_word = cs->bits_per_word;

if (mps->activate_cs)
mps->activate_cs(spi->chip_select,
(spi->mode & SPI_CS_HIGH) ? 1 : 0);
if (mps->cs_control)
mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 1 : 0);
}

static void mpc52xx_psc_spi_deactivate_cs(struct spi_device *spi)
{
struct mpc52xx_psc_spi *mps = spi_master_get_devdata(spi->master);

if (mps->deactivate_cs)
mps->deactivate_cs(spi->chip_select,
(spi->mode & SPI_CS_HIGH) ? 1 : 0);
if (mps->cs_control)
mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 0 : 1);
}

#define MPC52xx_PSC_BUFSIZE (MPC52xx_PSC_RFNUM_MASK + 1)
Expand Down Expand Up @@ -388,15 +386,13 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr,
mps->irq = irq;
if (pdata == NULL) {
dev_warn(dev, "probe called without platform data, no "
"(de)activate_cs function will be called\n");
mps->activate_cs = NULL;
mps->deactivate_cs = NULL;
"cs_control function will be called\n");
mps->cs_control = NULL;
mps->sysclk = 0;
master->bus_num = bus_num;
master->num_chipselect = 255;
} else {
mps->activate_cs = pdata->activate_cs;
mps->deactivate_cs = pdata->deactivate_cs;
mps->cs_control = pdata->cs_control;
mps->sysclk = pdata->sysclk;
master->bus_num = pdata->bus_num;
master->num_chipselect = pdata->max_chipselect;
Expand Down
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