Release 4.14 arch/mips/pistachio/init.c
/*
* Pistachio platform setup
*
* Copyright (C) 2014 Google, Inc.
* Copyright (C) 2016 Imagination Technologies
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/of_address.h>
#include <linux/of_fdt.h>
#include <asm/cacheflush.h>
#include <asm/dma-coherence.h>
#include <asm/fw/fw.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-cps.h>
#include <asm/prom.h>
#include <asm/smp-ops.h>
#include <asm/traps.h>
/*
* Core revision register decoding
* Bits 23 to 20: Major rev
* Bits 15 to 8: Minor rev
* Bits 7 to 0: Maintenance rev
*/
#define PISTACHIO_CORE_REV_REG 0xB81483D0
#define PISTACHIO_CORE_REV_A1 0x00100006
#define PISTACHIO_CORE_REV_B0 0x00100106
const char *get_system_type(void)
{
u32 core_rev;
const char *sys_type;
core_rev = __raw_readl((const void *)PISTACHIO_CORE_REV_REG);
switch (core_rev) {
case PISTACHIO_CORE_REV_B0:
sys_type = "IMG Pistachio SoC (B0)";
break;
case PISTACHIO_CORE_REV_A1:
sys_type = "IMG Pistachio SoC (A1)";
break;
default:
sys_type = "IMG Pistachio SoC";
break;
}
return sys_type;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| James Hartley | 49 | 81.67% | 1 | 50.00% |
| Andrew Bresticker | 11 | 18.33% | 1 | 50.00% |
| Total | 60 | 100.00% | 2 | 100.00% |
void __init *plat_get_fdt(void)
{
if (fw_arg0 != -2)
panic("Device-tree not present");
return (void *)fw_arg1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 23 | 82.14% | 1 | 50.00% |
| Matt Redfearn | 5 | 17.86% | 1 | 50.00% |
| Total | 28 | 100.00% | 2 | 100.00% |
void __init plat_mem_setup(void)
{
__dt_setup_arch(plat_get_fdt());
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Matt Redfearn | 11 | 78.57% | 1 | 50.00% |
| Andrew Bresticker | 3 | 21.43% | 1 | 50.00% |
| Total | 14 | 100.00% | 2 | 100.00% |
#define DEFAULT_CPC_BASE_ADDR 0x1bde0000
#define DEFAULT_CDMM_BASE_ADDR 0x1bdd0000
phys_addr_t mips_cpc_default_phys_base(void)
{
return DEFAULT_CPC_BASE_ADDR;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
phys_addr_t mips_cdmm_phys_base(void)
{
return DEFAULT_CDMM_BASE_ADDR;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| James Hogan | 10 | 100.00% | 1 | 100.00% |
| Total | 10 | 100.00% | 1 | 100.00% |
static void __init mips_nmi_setup(void)
{
void *base;
extern char except_vec_nmi;
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa80) :
(void *)(CAC_BASE + 0x380);
memcpy(base, &except_vec_nmi, 0x80);
flush_icache_range((unsigned long)base,
(unsigned long)base + 0x80);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 68 | 100.00% | 1 | 100.00% |
| Total | 68 | 100.00% | 1 | 100.00% |
static void __init mips_ejtag_setup(void)
{
void *base;
extern char except_vec_ejtag_debug;
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa00) :
(void *)(CAC_BASE + 0x300);
memcpy(base, &except_vec_ejtag_debug, 0x80);
flush_icache_range((unsigned long)base,
(unsigned long)base + 0x80);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 68 | 100.00% | 1 | 100.00% |
| Total | 68 | 100.00% | 1 | 100.00% |
void __init prom_init(void)
{
board_nmi_handler_setup = mips_nmi_setup;
board_ejtag_handler_setup = mips_ejtag_setup;
mips_cm_probe();
mips_cpc_probe();
register_cps_smp_ops();
pr_info("SoC Type: %s\n", get_system_type());
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 25 | 75.76% | 1 | 50.00% |
| James Hartley | 8 | 24.24% | 1 | 50.00% |
| Total | 33 | 100.00% | 2 | 100.00% |
void __init prom_free_prom_memory(void)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 7 | 100.00% | 1 | 100.00% |
| Total | 7 | 100.00% | 1 | 100.00% |
void __init device_tree_init(void)
{
if (!initial_boot_params)
return;
unflatten_and_copy_device_tree();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 17 | 100.00% | 1 | 100.00% |
| Total | 17 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Bresticker | 271 | 72.07% | 1 | 20.00% |
| James Hartley | 74 | 19.68% | 1 | 20.00% |
| Matt Redfearn | 16 | 4.26% | 1 | 20.00% |
| James Hogan | 14 | 3.72% | 1 | 20.00% |
| Paul Burton | 1 | 0.27% | 1 | 20.00% |
| Total | 376 | 100.00% | 5 | 100.00% |
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