cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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devices.c (2689B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/kernel.h>
      3#include <linux/init.h>
      4#include <linux/serial_8250.h>
      5#include <linux/platform_device.h>
      6#include <asm/bootinfo.h>
      7
      8#include <ath25_platform.h>
      9#include "devices.h"
     10#include "ar5312.h"
     11#include "ar2315.h"
     12
     13struct ar231x_board_config ath25_board;
     14enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
     15
     16static struct resource ath25_wmac0_res[] = {
     17	{
     18		.name = "wmac0_membase",
     19		.flags = IORESOURCE_MEM,
     20	},
     21	{
     22		.name = "wmac0_irq",
     23		.flags = IORESOURCE_IRQ,
     24	}
     25};
     26
     27static struct resource ath25_wmac1_res[] = {
     28	{
     29		.name = "wmac1_membase",
     30		.flags = IORESOURCE_MEM,
     31	},
     32	{
     33		.name = "wmac1_irq",
     34		.flags = IORESOURCE_IRQ,
     35	}
     36};
     37
     38static struct platform_device ath25_wmac[] = {
     39	{
     40		.id = 0,
     41		.name = "ar231x-wmac",
     42		.resource = ath25_wmac0_res,
     43		.num_resources = ARRAY_SIZE(ath25_wmac0_res),
     44		.dev.platform_data = &ath25_board,
     45	},
     46	{
     47		.id = 1,
     48		.name = "ar231x-wmac",
     49		.resource = ath25_wmac1_res,
     50		.num_resources = ARRAY_SIZE(ath25_wmac1_res),
     51		.dev.platform_data = &ath25_board,
     52	},
     53};
     54
     55static const char * const soc_type_strings[] = {
     56	[ATH25_SOC_AR5312] = "Atheros AR5312",
     57	[ATH25_SOC_AR2312] = "Atheros AR2312",
     58	[ATH25_SOC_AR2313] = "Atheros AR2313",
     59	[ATH25_SOC_AR2315] = "Atheros AR2315",
     60	[ATH25_SOC_AR2316] = "Atheros AR2316",
     61	[ATH25_SOC_AR2317] = "Atheros AR2317",
     62	[ATH25_SOC_AR2318] = "Atheros AR2318",
     63	[ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
     64};
     65
     66const char *get_system_type(void)
     67{
     68	if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
     69	    !soc_type_strings[ath25_soc])
     70		return soc_type_strings[ATH25_SOC_UNKNOWN];
     71	return soc_type_strings[ath25_soc];
     72}
     73
     74void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
     75{
     76#ifdef CONFIG_SERIAL_8250_CONSOLE
     77	struct uart_port s;
     78
     79	memset(&s, 0, sizeof(s));
     80
     81	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
     82	s.iotype = UPIO_MEM32;
     83	s.irq = irq;
     84	s.regshift = 2;
     85	s.mapbase = mapbase;
     86	s.uartclk = uartclk;
     87
     88	early_serial_setup(&s);
     89#endif /* CONFIG_SERIAL_8250_CONSOLE */
     90}
     91
     92int __init ath25_add_wmac(int nr, u32 base, int irq)
     93{
     94	struct resource *res;
     95
     96	ath25_wmac[nr].dev.platform_data = &ath25_board;
     97	res = &ath25_wmac[nr].resource[0];
     98	res->start = base;
     99	res->end = base + 0x10000 - 1;
    100	res++;
    101	res->start = irq;
    102	res->end = irq;
    103	return platform_device_register(&ath25_wmac[nr]);
    104}
    105
    106static int __init ath25_register_devices(void)
    107{
    108	if (is_ar5312())
    109		ar5312_init_devices();
    110	else
    111		ar2315_init_devices();
    112
    113	return 0;
    114}
    115
    116device_initcall(ath25_register_devices);
    117
    118static int __init ath25_arch_init(void)
    119{
    120	if (is_ar5312())
    121		ar5312_arch_init();
    122	else
    123		ar2315_arch_init();
    124
    125	return 0;
    126}
    127
    128arch_initcall(ath25_arch_init);