forked from Minki/linux
7120438e5d
Convert fsl_rstcr_restart into a function to be registered with register_reset_handler(). Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> [scottwood: Converted mvme7100 as well] Signed-off-by: Scott Wood <oss@buserror.net>
138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
/*
|
|
* Based on MPC8560 ADS and arch/ppc tqm85xx ports
|
|
*
|
|
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
|
|
*
|
|
* Copyright 2008 Freescale Semiconductor Inc.
|
|
*
|
|
* Copyright (c) 2005-2006 DENX Software Engineering
|
|
* Stefan Roese <sr@denx.de>
|
|
*
|
|
* Based on original work by
|
|
* Kumar Gala <kumar.gala@freescale.com>
|
|
* Copyright 2004 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/pci.h>
|
|
#include <linux/kdev_t.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <asm/time.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/pci-bridge.h>
|
|
#include <asm/mpic.h>
|
|
#include <asm/prom.h>
|
|
#include <mm/mmu_decl.h>
|
|
#include <asm/udbg.h>
|
|
|
|
#include <sysdev/fsl_soc.h>
|
|
#include <sysdev/fsl_pci.h>
|
|
|
|
#include "mpc85xx.h"
|
|
|
|
#ifdef CONFIG_CPM2
|
|
#include <asm/cpm2.h>
|
|
#endif /* CONFIG_CPM2 */
|
|
|
|
static void __init tqm85xx_pic_init(void)
|
|
{
|
|
struct mpic *mpic = mpic_alloc(NULL, 0,
|
|
MPIC_BIG_ENDIAN,
|
|
0, 256, " OpenPIC ");
|
|
BUG_ON(mpic == NULL);
|
|
mpic_init(mpic);
|
|
|
|
mpc85xx_cpm2_pic_init();
|
|
}
|
|
|
|
/*
|
|
* Setup the architecture
|
|
*/
|
|
static void __init tqm85xx_setup_arch(void)
|
|
{
|
|
if (ppc_md.progress)
|
|
ppc_md.progress("tqm85xx_setup_arch()", 0);
|
|
|
|
#ifdef CONFIG_CPM2
|
|
cpm2_reset();
|
|
#endif
|
|
|
|
fsl_pci_assign_primary();
|
|
}
|
|
|
|
static void tqm85xx_show_cpuinfo(struct seq_file *m)
|
|
{
|
|
uint pvid, svid, phid1;
|
|
|
|
pvid = mfspr(SPRN_PVR);
|
|
svid = mfspr(SPRN_SVR);
|
|
|
|
seq_printf(m, "Vendor\t\t: TQ Components\n");
|
|
seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
|
|
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
|
|
|
|
/* Display cpu Pll setting */
|
|
phid1 = mfspr(SPRN_HID1);
|
|
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
|
|
}
|
|
|
|
static void tqm85xx_ti1520_fixup(struct pci_dev *pdev)
|
|
{
|
|
unsigned int val;
|
|
|
|
/* Do not do the fixup on other platforms! */
|
|
if (!machine_is(tqm85xx))
|
|
return;
|
|
|
|
dev_info(&pdev->dev, "Using TI 1520 fixup on TQM85xx\n");
|
|
|
|
/*
|
|
* Enable P2CCLK bit in system control register
|
|
* to enable CLOCK output to power chip
|
|
*/
|
|
pci_read_config_dword(pdev, 0x80, &val);
|
|
pci_write_config_dword(pdev, 0x80, val | (1 << 27));
|
|
|
|
}
|
|
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520,
|
|
tqm85xx_ti1520_fixup);
|
|
|
|
machine_arch_initcall(tqm85xx, mpc85xx_common_publish_devices);
|
|
|
|
static const char * const board[] __initconst = {
|
|
"tqc,tqm8540",
|
|
"tqc,tqm8541",
|
|
"tqc,tqm8548",
|
|
"tqc,tqm8555",
|
|
"tqc,tqm8560",
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
* Called very early, device-tree isn't unflattened
|
|
*/
|
|
static int __init tqm85xx_probe(void)
|
|
{
|
|
return of_device_compatible_match(of_root, board);
|
|
}
|
|
|
|
define_machine(tqm85xx) {
|
|
.name = "TQM85xx",
|
|
.probe = tqm85xx_probe,
|
|
.setup_arch = tqm85xx_setup_arch,
|
|
.init_IRQ = tqm85xx_pic_init,
|
|
.show_cpuinfo = tqm85xx_show_cpuinfo,
|
|
.get_irq = mpic_get_irq,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
.progress = udbg_progress,
|
|
};
|