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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teton_bga.c (2414B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 *  linux/arch/arm/mach-mmp/teton_bga.c
      4 *
      5 *  Support for the Marvell PXA168 Teton BGA Development Platform.
      6 *
      7 *  Author: Mark F. Brown <mark.brown314@gmail.com>
      8 *
      9 *  This code is based on aspenite.c
     10 */
     11
     12#include <linux/init.h>
     13#include <linux/kernel.h>
     14#include <linux/platform_device.h>
     15#include <linux/gpio.h>
     16#include <linux/gpio-pxa.h>
     17#include <linux/input.h>
     18#include <linux/platform_data/keypad-pxa27x.h>
     19#include <linux/i2c.h>
     20
     21#include <asm/mach-types.h>
     22#include <asm/mach/arch.h>
     23#include "addr-map.h"
     24#include "mfp-pxa168.h"
     25#include "pxa168.h"
     26#include "teton_bga.h"
     27#include "irqs.h"
     28
     29#include "common.h"
     30
     31static unsigned long teton_bga_pin_config[] __initdata = {
     32	/* UART1 */
     33	GPIO107_UART1_TXD,
     34	GPIO108_UART1_RXD,
     35
     36	/* Keypad */
     37	GPIO109_KP_MKIN1,
     38	GPIO110_KP_MKIN0,
     39	GPIO111_KP_MKOUT7,
     40	GPIO112_KP_MKOUT6,
     41
     42	/* I2C Bus */
     43	GPIO105_CI2C_SDA,
     44	GPIO106_CI2C_SCL,
     45
     46	/* RTC */
     47	GPIO78_GPIO,
     48};
     49
     50static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
     51	.irq_base	= MMP_GPIO_TO_IRQ(0),
     52};
     53
     54static unsigned int teton_bga_matrix_key_map[] = {
     55	KEY(0, 6, KEY_ESC),
     56	KEY(0, 7, KEY_ENTER),
     57	KEY(1, 6, KEY_LEFT),
     58	KEY(1, 7, KEY_RIGHT),
     59};
     60
     61static struct matrix_keymap_data teton_bga_matrix_keymap_data = {
     62	.keymap			= teton_bga_matrix_key_map,
     63	.keymap_size		= ARRAY_SIZE(teton_bga_matrix_key_map),
     64};
     65
     66static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
     67	.matrix_key_rows        = 2,
     68	.matrix_key_cols        = 8,
     69	.matrix_keymap_data	= &teton_bga_matrix_keymap_data,
     70	.debounce_interval      = 30,
     71};
     72
     73static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
     74	{
     75		I2C_BOARD_INFO("ds1337", 0x68),
     76		.irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
     77	},
     78};
     79
     80static void __init teton_bga_init(void)
     81{
     82	mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
     83
     84	/* on-chip devices */
     85	pxa168_add_uart(1);
     86	pxa168_add_keypad(&teton_bga_keypad_info);
     87	pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
     88	platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
     89				 sizeof(struct pxa_gpio_platform_data));
     90	platform_device_register(&pxa168_device_gpio);
     91}
     92
     93MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
     94	.map_io		= mmp_map_io,
     95	.nr_irqs	= MMP_NR_IRQS,
     96	.init_irq       = pxa168_init_irq,
     97	.init_time	= pxa168_timer_init,
     98	.init_machine   = teton_bga_init,
     99	.restart	= pxa168_restart,
    100MACHINE_END