u-boot/board/cavium/thunderx/thunderx.c
York Sun cd4b0c5fea armv8: mmu: Add support of non-identical mapping
Introduce virtual and physical addresses in the mapping table. This change
have no impact on existing boards because they all use idential mapping.

Signed-off-by: York Sun <york.sun@nxp.com>
2016-07-15 09:01:43 -07:00

129 lines
2.2 KiB
C

/**
* (C) Copyright 2014, Cavium Inc.
*
* SPDX-License-Identifier: GPL-2.0+
**/
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <linux/compiler.h>
#include <cavium/atf.h>
#include <asm/armv8/mmu.h>
#if !CONFIG_IS_ENABLED(OF_CONTROL)
#include <dm/platdata.h>
#include <dm/platform_data/serial_pl01x.h>
static const struct pl01x_serial_platdata serial0 = {
.base = CONFIG_SYS_SERIAL0,
.type = TYPE_PL011,
.clock = 0,
.skip_init = true,
};
U_BOOT_DEVICE(thunderx_serial0) = {
.name = "serial_pl01x",
.platdata = &serial0,
};
static const struct pl01x_serial_platdata serial1 = {
.base = CONFIG_SYS_SERIAL1,
.type = TYPE_PL011,
.clock = 0,
.skip_init = true,
};
U_BOOT_DEVICE(thunderx_serial1) = {
.name = "serial_pl01x",
.platdata = &serial1,
};
#endif
DECLARE_GLOBAL_DATA_PTR;
static struct mm_region thunderx_mem_map[] = {
{
.virt = 0x000000000000UL,
.phys = 0x000000000000UL,
.size = 0x40000000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE,
}, {
.virt = 0x800000000000UL,
.phys = 0x800000000000UL,
.size = 0x40000000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE,
}, {
.virt = 0x840000000000UL,
.phys = 0x840000000000UL,
.size = 0x40000000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE,
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = thunderx_mem_map;
int board_init(void)
{
return 0;
}
int timer_init(void)
{
return 0;
}
int dram_init(void)
{
ssize_t node_count = atf_node_count();
ssize_t dram_size;
int node;
printf("Initializing\nNodes in system: %zd\n", node_count);
gd->ram_size = 0;
for (node = 0; node < node_count; node++) {
dram_size = atf_dram_size(node);
printf("Node %d: %zd MBytes of DRAM\n", node, dram_size >> 20);
gd->ram_size += dram_size;
}
gd->ram_size -= MEM_BASE;
*(unsigned long *)CPU_RELEASE_ADDR = 0;
puts("DRAM size:");
return 0;
}
/*
* Board specific reset that is system reset.
*/
void reset_cpu(ulong addr)
{
}
/*
* Board specific ethernet initialization routine.
*/
int board_eth_init(bd_t *bis)
{
int rc = 0;
return rc;
}
#ifdef CONFIG_PCI
void pci_init_board(void)
{
printf("DEBUG: PCI Init TODO *****\n");
}
#endif