mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 10:06:47 +07:00
a329b48c43
Add basic clock support, cpu identification, I/O mapping, interrupt controller, serial port and ethernet. Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
|
|
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* The code contained herein is licensed under the GNU General Public
|
|
* License. You may obtain a copy of the GNU General Public License
|
|
* Version 2 or later at the following locations:
|
|
*
|
|
* http://www.opensource.org/licenses/gpl-license.html
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* Create static mapping between physical to virtual memory.
|
|
*/
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/common.h>
|
|
#include <mach/iomux-v3.h>
|
|
|
|
/*
|
|
* Define the MX51 memory map.
|
|
*/
|
|
static struct map_desc mxc_io_desc[] __initdata = {
|
|
{
|
|
.virtual = MX51_IRAM_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_IRAM_BASE_ADDR),
|
|
.length = MX51_IRAM_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_DEBUG_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_DEBUG_BASE_ADDR),
|
|
.length = MX51_DEBUG_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_TZIC_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
|
|
.length = MX51_TZIC_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_AIPS1_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
|
|
.length = MX51_AIPS1_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_SPBA0_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_SPBA0_BASE_ADDR),
|
|
.length = MX51_SPBA0_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_AIPS2_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR),
|
|
.length = MX51_AIPS2_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = MX51_NFC_AXI_BASE_ADDR_VIRT,
|
|
.pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR),
|
|
.length = MX51_NFC_AXI_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
/*
|
|
* This function initializes the memory map. It is called during the
|
|
* system startup to create static physical to virtual memory mappings
|
|
* for the IO modules.
|
|
*/
|
|
void __init mx51_map_io(void)
|
|
{
|
|
u32 tzic_addr;
|
|
|
|
if (mx51_revision() < MX51_CHIP_REV_2_0)
|
|
tzic_addr = 0x8FFFC000;
|
|
else
|
|
tzic_addr = 0xE0003000;
|
|
mxc_io_desc[2].pfn = __phys_to_pfn(tzic_addr);
|
|
|
|
mxc_set_cpu_type(MXC_CPU_MX51);
|
|
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
|
|
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
|
|
iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
|
|
}
|
|
|
|
void __init mx51_init_irq(void)
|
|
{
|
|
tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
|
|
}
|