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yaml
---
r: 56288
b: refs/heads/master
c: 52d3aff
h: refs/heads/master
v: v3
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Dale Farnsworth authored and Paul Mackerras committed May 12, 2007
1 parent 3299f03 commit 3c0bfbf
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2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: e44b8941908ec9ccf03b52713c9e7d3471bada8c
refs/heads/master: 52d3aff903171af13b56c5a4d6fb828461406c65
3 changes: 3 additions & 0 deletions trunk/arch/powerpc/platforms/embedded6xx/Kconfig
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Expand Up @@ -46,6 +46,9 @@ config MPC10X_BRIDGE
select PPC_INDIRECT_PCI
default y

config MV64X60
bool

config MPC10X_OPENPIC
bool
depends on LINKSTATION
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2 changes: 1 addition & 1 deletion trunk/arch/powerpc/sysdev/Makefile
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Expand Up @@ -16,7 +16,7 @@ obj-$(CONFIG_FSL_SOC) += fsl_soc.o
obj-$(CONFIG_FSL_PCIE) += fsl_pcie.o
obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o
obj-$(CONFIG_QUICC_ENGINE) += qe_lib/
obj-$(CONFIG_MV64X60) += mv64x60_pic.o
obj-$(CONFIG_MV64X60) += mv64x60_pic.o mv64x60_dev.o

# contains only the suspend handler for time
obj-$(CONFIG_PM) += timer.o
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221 changes: 221 additions & 0 deletions trunk/arch/powerpc/sysdev/mv64x60_dev.c
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/*
* Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery)
*
* Author: Dale Farnsworth <dale@farnsworth.org>
*
* 2007 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mv643xx.h>
#include <linux/platform_device.h>

#include <asm/prom.h>

/*
* These functions provide the necessary setup for the mv64x60 drivers.
* These drivers are unusual in that they work on both the MIPS and PowerPC
* architectures. Because of that, the drivers do not support the normal
* PowerPC of_platform_bus_type. They support platform_bus_type instead.
*/

/*
* Create MPSC platform devices
*/
static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np)
{
struct platform_device *pdev;
struct resource r[2];
struct mpsc_shared_pdata pdata;
const phandle *ph;
struct device_node *mpscrouting, *mpscintr;
int err;

ph = of_get_property(np, "mpscrouting", NULL);
mpscrouting = of_find_node_by_phandle(*ph);
if (!mpscrouting)
return -ENODEV;

err = of_address_to_resource(mpscrouting, 0, &r[0]);
of_node_put(mpscrouting);
if (err)
return err;

ph = of_get_property(np, "mpscintr", NULL);
mpscintr = of_find_node_by_phandle(*ph);
if (!mpscintr)
return -ENODEV;

err = of_address_to_resource(mpscintr, 0, &r[1]);
of_node_put(mpscintr);
if (err)
return err;

memset(&pdata, 0, sizeof(pdata));

pdev = platform_device_alloc(MPSC_SHARED_NAME, 0);
if (!pdev)
return -ENOMEM;

err = platform_device_add_resources(pdev, r, 2);
if (err)
goto error;

err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
if (err)
goto error;

err = platform_device_add(pdev);
if (err)
goto error;

return 0;

error:
platform_device_put(pdev);
return err;
}


static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
{
struct resource r[5];
struct mpsc_pdata pdata;
struct platform_device *pdev;
const unsigned int *prop;
const phandle *ph;
struct device_node *sdma, *brg;
int err;
int port_number;

/* only register the shared platform device the first time through */
if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np)))
return err;

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

err = of_address_to_resource(np, 0, &r[0]);
if (err)
return err;

of_irq_to_resource(np, 0, &r[4]);

ph = of_get_property(np, "sdma", NULL);
sdma = of_find_node_by_phandle(*ph);
if (!sdma)
return -ENODEV;

of_irq_to_resource(sdma, 0, &r[3]);
err = of_address_to_resource(sdma, 0, &r[1]);
of_node_put(sdma);
if (err)
return err;

ph = of_get_property(np, "brg", NULL);
brg = of_find_node_by_phandle(*ph);
if (!brg)
return -ENODEV;

err = of_address_to_resource(brg, 0, &r[2]);
of_node_put(brg);
if (err)
return err;

prop = of_get_property(np, "block-index", NULL);
if (!prop)
return -ENODEV;
port_number = *(int *)prop;

memset(&pdata, 0, sizeof(pdata));

pdata.cache_mgmt = 1; /* All current revs need this set */

prop = of_get_property(np, "max_idle", NULL);
if (prop)
pdata.max_idle = *prop;

prop = of_get_property(brg, "current-speed", NULL);
if (prop)
pdata.default_baud = *prop;

/* Default is 8 bits, no parity, no flow control */
pdata.default_bits = 8;
pdata.default_parity = 'n';
pdata.default_flow = 'n';

prop = of_get_property(np, "chr_1", NULL);
if (prop)
pdata.chr_1_val = *prop;

prop = of_get_property(np, "chr_2", NULL);
if (prop)
pdata.chr_2_val = *prop;

prop = of_get_property(np, "chr_10", NULL);
if (prop)
pdata.chr_10_val = *prop;

prop = of_get_property(np, "mpcr", NULL);
if (prop)
pdata.mpcr_val = *prop;

prop = of_get_property(brg, "bcr", NULL);
if (prop)
pdata.bcr_val = *prop;

pdata.brg_can_tune = 1; /* All current revs need this set */

prop = of_get_property(brg, "clock-src", NULL);
if (prop)
pdata.brg_clk_src = *prop;

prop = of_get_property(brg, "clock-frequency", NULL);
if (prop)
pdata.brg_clk_freq = *prop;

pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number);
if (!pdev)
return -ENOMEM;

err = platform_device_add_resources(pdev, r, 5);
if (err)
goto error;

err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
if (err)
goto error;

err = platform_device_add(pdev);
if (err)
goto error;

return 0;

error:
platform_device_put(pdev);
return err;
}

static int __init mv64x60_device_setup(void)
{
struct device_node *np = NULL;
int id;
int err;

for (id = 0;
(np = of_find_compatible_node(np, "serial", "marvell,mpsc")); id++)
if ((err = mv64x60_mpsc_device_setup(np, id)))
goto error;

return 0;

error:
of_node_put(np);
return err;
}
arch_initcall(mv64x60_device_setup);

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