mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-02-07 23:03:06 +00:00
a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Paravirt target for a generic QEMU e500 machine
|
|
*
|
|
* This is intended to be a flexible device-tree-driven platform, not fixed
|
|
* to a particular piece of hardware or a particular spec of virtual hardware,
|
|
* beyond the assumption of an e500-family CPU. Some things are still hardcoded
|
|
* here, such as MPIC, but this is a limitation of the current code rather than
|
|
* an interface contract with QEMU.
|
|
*
|
|
* Copyright 2012 Freescale Semiconductor Inc.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/of_fdt.h>
|
|
#include <linux/pgtable.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/time.h>
|
|
#include <asm/udbg.h>
|
|
#include <asm/mpic.h>
|
|
#include <asm/swiotlb.h>
|
|
#include <sysdev/fsl_soc.h>
|
|
#include <sysdev/fsl_pci.h>
|
|
#include "smp.h"
|
|
#include "mpc85xx.h"
|
|
|
|
void __init qemu_e500_pic_init(void)
|
|
{
|
|
struct mpic *mpic;
|
|
unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
|
|
MPIC_ENABLE_COREINT;
|
|
|
|
mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC ");
|
|
|
|
BUG_ON(mpic == NULL);
|
|
mpic_init(mpic);
|
|
}
|
|
|
|
static void __init qemu_e500_setup_arch(void)
|
|
{
|
|
ppc_md.progress("qemu_e500_setup_arch()", 0);
|
|
|
|
fsl_pci_assign_primary();
|
|
swiotlb_detect_4g();
|
|
mpc85xx_smp_init();
|
|
}
|
|
|
|
/*
|
|
* Called very early, device-tree isn't unflattened
|
|
*/
|
|
static int __init qemu_e500_probe(void)
|
|
{
|
|
return !!of_machine_is_compatible("fsl,qemu-e500");
|
|
}
|
|
|
|
machine_arch_initcall(qemu_e500, mpc85xx_common_publish_devices);
|
|
|
|
define_machine(qemu_e500) {
|
|
.name = "QEMU e500",
|
|
.probe = qemu_e500_probe,
|
|
.setup_arch = qemu_e500_setup_arch,
|
|
.init_IRQ = qemu_e500_pic_init,
|
|
#ifdef CONFIG_PCI
|
|
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
|
|
.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
|
|
#endif
|
|
.get_irq = mpic_get_coreint_irq,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
.progress = udbg_progress,
|
|
#ifdef CONFIG_PPC64
|
|
.power_save = book3e_idle,
|
|
#else
|
|
.power_save = e500_idle,
|
|
#endif
|
|
};
|