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-rsk7203.c (3059B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Renesas Technology Europe RSK+ 7203 Support.
      4 *
      5 * Copyright (C) 2008 - 2010  Paul Mundt
      6 */
      7#include <linux/init.h>
      8#include <linux/types.h>
      9#include <linux/platform_device.h>
     10#include <linux/interrupt.h>
     11#include <linux/smsc911x.h>
     12#include <linux/input.h>
     13#include <linux/gpio.h>
     14#include <linux/gpio_keys.h>
     15#include <linux/leds.h>
     16#include <asm/machvec.h>
     17#include <asm/io.h>
     18#include <cpu/sh7203.h>
     19
     20static struct smsc911x_platform_config smsc911x_config = {
     21	.phy_interface	= PHY_INTERFACE_MODE_MII,
     22	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
     23	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
     24	.flags		= SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
     25};
     26
     27static struct resource smsc911x_resources[] = {
     28	[0] = {
     29		.start		= 0x24000000,
     30		.end		= 0x240000ff,
     31		.flags		= IORESOURCE_MEM,
     32	},
     33	[1] = {
     34		.start		= 64,
     35		.end		= 64,
     36		.flags		= IORESOURCE_IRQ,
     37	},
     38};
     39
     40static struct platform_device smsc911x_device = {
     41	.name		= "smsc911x",
     42	.id		= -1,
     43	.num_resources	= ARRAY_SIZE(smsc911x_resources),
     44	.resource	= smsc911x_resources,
     45	.dev		= {
     46		.platform_data = &smsc911x_config,
     47	},
     48};
     49
     50static struct gpio_led rsk7203_gpio_leds[] = {
     51	{
     52		.name			= "green",
     53		.gpio			= GPIO_PE10,
     54		.active_low		= 1,
     55	}, {
     56		.name			= "orange",
     57		.default_trigger	= "nand-disk",
     58		.gpio			= GPIO_PE12,
     59		.active_low		= 1,
     60	}, {
     61		.name			= "red:timer",
     62		.default_trigger	= "timer",
     63		.gpio			= GPIO_PC14,
     64		.active_low		= 1,
     65	}, {
     66		.name			= "red:heartbeat",
     67		.default_trigger	= "heartbeat",
     68		.gpio			= GPIO_PE11,
     69		.active_low		= 1,
     70	},
     71};
     72
     73static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
     74	.leds		= rsk7203_gpio_leds,
     75	.num_leds	= ARRAY_SIZE(rsk7203_gpio_leds),
     76};
     77
     78static struct platform_device led_device = {
     79	.name		= "leds-gpio",
     80	.id		= -1,
     81	.dev		= {
     82		.platform_data	= &rsk7203_gpio_leds_info,
     83	},
     84};
     85
     86static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
     87	{
     88		.code		= BTN_0,
     89		.gpio		= GPIO_PB0,
     90		.active_low	= 1,
     91		.desc		= "SW1",
     92	}, {
     93		.code		= BTN_1,
     94		.gpio		= GPIO_PB1,
     95		.active_low	= 1,
     96		.desc		= "SW2",
     97	}, {
     98		.code		= BTN_2,
     99		.gpio		= GPIO_PB2,
    100		.active_low	= 1,
    101		.desc		= "SW3",
    102	},
    103};
    104
    105static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
    106	.buttons	= rsk7203_gpio_keys_table,
    107	.nbuttons	= ARRAY_SIZE(rsk7203_gpio_keys_table),
    108	.poll_interval	= 50, /* default to 50ms */
    109};
    110
    111static struct platform_device keys_device = {
    112	.name		= "gpio-keys-polled",
    113	.dev		= {
    114		.platform_data	= &rsk7203_gpio_keys_info,
    115	},
    116};
    117
    118static struct platform_device *rsk7203_devices[] __initdata = {
    119	&smsc911x_device,
    120	&led_device,
    121	&keys_device,
    122};
    123
    124static int __init rsk7203_devices_setup(void)
    125{
    126	/* Select pins for SCIF0 */
    127	gpio_request(GPIO_FN_TXD0, NULL);
    128	gpio_request(GPIO_FN_RXD0, NULL);
    129
    130	/* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
    131	__raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
    132	gpio_request(GPIO_FN_IRQ0_PB, NULL);
    133
    134	return platform_add_devices(rsk7203_devices,
    135				    ARRAY_SIZE(rsk7203_devices));
    136}
    137device_initcall(rsk7203_devices_setup);