mirror of https://gitee.com/openkylin/linux.git
105 lines
2.2 KiB
C
105 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Based on MPC8560 ADS and arch/ppc stx_gp3 ports
|
|
*
|
|
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
|
|
*
|
|
* Copyright 2008 Freescale Semiconductor Inc.
|
|
*
|
|
* Dan Malek <dan@embeddededge.com>
|
|
* Copyright 2004 Embedded Edge, LLC
|
|
*
|
|
* Copied from mpc8560_ads.c
|
|
* Copyright 2002, 2003 Motorola Inc.
|
|
*
|
|
* Ported to 2.6, Matt Porter <mporter@kernel.crashing.org>
|
|
* Copyright 2004-2005 MontaVista Software, Inc.
|
|
*/
|
|
|
|
#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 stx_gp3_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 stx_gp3_setup_arch(void)
|
|
{
|
|
if (ppc_md.progress)
|
|
ppc_md.progress("stx_gp3_setup_arch()", 0);
|
|
|
|
fsl_pci_assign_primary();
|
|
|
|
#ifdef CONFIG_CPM2
|
|
cpm2_reset();
|
|
#endif
|
|
}
|
|
|
|
static void stx_gp3_show_cpuinfo(struct seq_file *m)
|
|
{
|
|
uint pvid, svid, phid1;
|
|
|
|
pvid = mfspr(SPRN_PVR);
|
|
svid = mfspr(SPRN_SVR);
|
|
|
|
seq_printf(m, "Vendor\t\t: RPC Electronics STx\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));
|
|
}
|
|
|
|
machine_arch_initcall(stx_gp3, mpc85xx_common_publish_devices);
|
|
|
|
/*
|
|
* Called very early, device-tree isn't unflattened
|
|
*/
|
|
static int __init stx_gp3_probe(void)
|
|
{
|
|
return of_machine_is_compatible("stx,gp3-8560");
|
|
}
|
|
|
|
define_machine(stx_gp3) {
|
|
.name = "STX GP3",
|
|
.probe = stx_gp3_probe,
|
|
.setup_arch = stx_gp3_setup_arch,
|
|
.init_IRQ = stx_gp3_pic_init,
|
|
.show_cpuinfo = stx_gp3_show_cpuinfo,
|
|
.get_irq = mpic_get_irq,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
.progress = udbg_progress,
|
|
};
|