提交 d93daf84 编写于 作者: J Jon Loeliger 提交者: Kumar Gala

[POWERPC] 85xx: Add initial MPC8544 DS platform files.

This patch provides the basic MPC8544 DS platform code and config.
Follow-up patches will add peripherals such as PCI and SATA.
Signed-off-by: NXianghua Xiao <x.xiao@freescale.com>
Signed-off-by: NRoy Zang <tie-fei.zang@freescale.com>
Signed-off-by: NYork Sun <yorksun@freescale.com>
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Signed-off-by: NJon Loeliger <jdl@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
上级 23308c54
/*
* MPC8544 DS Device Tree Source
*
* Copyright 2007 Freescale Semiconductor Inc.
*
* 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.
*/
/ {
model = "MPC8544DS";
compatible = "MPC8544DS", "MPC85xxDS";
#address-cells = <1>;
#size-cells = <1>;
cpus {
#cpus = <1>;
#address-cells = <1>;
#size-cells = <0>;
PowerPC,8544@0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <20>; // 32 bytes
i-cache-line-size = <20>; // 32 bytes
d-cache-size = <8000>; // L1, 32K
i-cache-size = <8000>; // L1, 32K
timebase-frequency = <0>;
bus-frequency = <0>;
clock-frequency = <0>;
32-bit;
};
};
memory {
device_type = "memory";
reg = <00000000 00000000>; // Filled by U-Boot
};
soc8544@e0000000 {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <2>;
device_type = "soc";
ranges = <0 e0000000 00100000>;
reg = <e0000000 00100000>; // CCSRBAR 1M
bus-frequency = <0>; // Filled out by uboot.
i2c@3000 {
device_type = "i2c";
compatible = "fsl-i2c";
reg = <3000 100>;
interrupts = <1b 2>;
interrupt-parent = <&mpic>;
dfsrr;
};
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "mdio";
compatible = "gianfar";
reg = <24520 20>;
phy0: ethernet-phy@0 {
interrupt-parent = <&mpic>;
interrupts = <3a 1>;
reg = <0>;
device_type = "ethernet-phy";
};
phy1: ethernet-phy@1 {
interrupt-parent = <&mpic>;
interrupts = <3a 1>;
reg = <1>;
device_type = "ethernet-phy";
};
};
ethernet@24000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <24000 1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <d 2 e 2 12 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy0>;
};
ethernet@26000 {
#address-cells = <1>;
#size-cells = <0>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <26000 1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <f 2 10 2 11 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy1>;
};
serial@4500 {
device_type = "serial";
compatible = "ns16550";
reg = <4500 100>;
clock-frequency = <0>;
interrupts = <1a 2>;
interrupt-parent = <&mpic>;
};
serial@4600 {
device_type = "serial";
compatible = "ns16550";
reg = <4600 100>;
clock-frequency = <0>;
interrupts = <1a 2>;
interrupt-parent = <&mpic>;
};
mpic: pic@40000 {
clock-frequency = <0>;
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <40000 40000>;
built-in;
compatible = "chrp,open-pic";
device_type = "open-pic";
big-endian;
};
};
};
......@@ -30,6 +30,12 @@ config MPC85xx_MDS
help
This option enables support for the MPC85xx MDS board
config MPC8544_DS
bool "Freescale MPC8544 DS"
select DEFAULT_UIMAGE
help
This option enables support for the MPC8544 DS board
endchoice
config MPC8540
......@@ -47,7 +53,8 @@ config MPC85xx
bool
select PPC_UDBG_16550
select PPC_INDIRECT_PCI
default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS || MPC85xx_MDS
default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
|| MPC85xx_MDS || MPC8544_DS
config PPC_INDIRECT_PCI_BE
bool
......
......@@ -5,4 +5,5 @@ obj-$(CONFIG_PPC_85xx) += misc.o pci.o
obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
obj-$(CONFIG_MPC8544_DS) += mpc8544_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
/*
* MPC8544 DS Board Setup
*
* Author Xianghua Xiao (x.xiao@freescale.com)
* Copyright 2007 Freescale Semiconductor Inc.
*
* 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/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/mpc85xx.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <asm/i8259.h>
#include <sysdev/fsl_soc.h>
#include "mpc85xx.h"
#undef DEBUG
#ifdef DEBUG
#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
#else
#define DBG(fmt, args...)
#endif
void __init mpc8544_ds_pic_init(void)
{
struct mpic *mpic;
struct resource r;
struct device_node *np = NULL;
#ifdef CONFIG_PPC_I8259
struct device_node *cascade_node = NULL;
int cascade_irq;
#endif
np = of_find_node_by_type(np, "open-pic");
if (np == NULL) {
printk(KERN_ERR "Could not find open-pic node\n");
return;
}
if (of_address_to_resource(np, 0, &r)) {
printk(KERN_ERR "Failed to map mpic register space\n");
of_node_put(np);
return;
}
/* Alloc mpic structure and per isu has 16 INT entries. */
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
16, 64, " OPENPIC ");
BUG_ON(mpic == NULL);
/*
* 48 Internal Interrupts
*/
mpic_assign_isu(mpic, 0, r.start + 0x10200);
mpic_assign_isu(mpic, 1, r.start + 0x10400);
mpic_assign_isu(mpic, 2, r.start + 0x10600);
/*
* 16 External interrupts
*/
mpic_assign_isu(mpic, 3, r.start + 0x10000);
mpic_init(mpic);
#ifdef CONFIG_PPC_I8259
/* Initialize the i8259 controller */
for_each_node_by_type(np, "interrupt-controller")
if (device_is_compatible(np, "chrp,iic")) {
cascade_node = np;
break;
}
if (cascade_node == NULL) {
printk(KERN_DEBUG "Could not find i8259 PIC\n");
return;
}
cascade_irq = irq_of_parse_and_map(cascade_node, 0);
if (cascade_irq == NO_IRQ) {
printk(KERN_ERR "Failed to map cascade interrupt\n");
return;
}
DBG("mpc8544ds: cascade mapped to irq %d\n", cascade_irq);
i8259_init(cascade_node, 0);
of_node_put(cascade_node);
set_irq_chained_handler(cascade_irq, mpc8544_8259_cascade);
#endif /* CONFIG_PPC_I8259 */
}
/*
* Setup the architecture
*/
static void __init mpc8544_ds_setup_arch(void)
{
if (ppc_md.progress)
ppc_md.progress("mpc8544_ds_setup_arch()", 0);
printk("MPC8544 DS board from Freescale Semiconductor\n");
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init mpc8544_ds_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "MPC8544DS");
}
define_machine(mpc8544_ds) {
.name = "MPC8544 DS",
.probe = mpc8544_ds_probe,
.setup_arch = mpc8544_ds_setup_arch,
.init_IRQ = mpc8544_ds_pic_init,
.get_irq = mpic_get_irq,
.restart = mpc85xx_restart,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
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