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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colibri-evalboard.c (3773B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 *  linux/arch/arm/mach-pxa/colibri-evalboard.c
      4 *
      5 *  Support for Toradex Colibri Evaluation Carrier Board
      6 *  Daniel Mack <daniel@caiaq.de>
      7 *  Marek Vasut <marek.vasut@gmail.com>
      8 */
      9
     10#include <linux/init.h>
     11#include <linux/kernel.h>
     12#include <linux/platform_device.h>
     13#include <linux/interrupt.h>
     14#include <linux/gpio/machine.h>
     15#include <asm/mach-types.h>
     16#include <asm/mach/arch.h>
     17#include <linux/i2c.h>
     18#include <linux/platform_data/i2c-pxa.h>
     19#include <asm/io.h>
     20
     21#include "pxa27x.h"
     22#include "colibri.h"
     23#include <linux/platform_data/mmc-pxamci.h>
     24#include <linux/platform_data/usb-ohci-pxa27x.h>
     25#include "pxa27x-udc.h"
     26
     27#include "generic.h"
     28#include "devices.h"
     29
     30/******************************************************************************
     31 * SD/MMC card controller
     32 ******************************************************************************/
     33#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
     34static struct pxamci_platform_data colibri_mci_platform_data = {
     35	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
     36	.detect_delay_ms	= 200,
     37};
     38
     39static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = {
     40	.dev_id = "pxa2xx-mci.0",
     41	.table = {
     42		GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT,
     43			    "cd", GPIO_ACTIVE_LOW),
     44		{ },
     45	},
     46};
     47
     48static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = {
     49	.dev_id = "pxa2xx-mci.0",
     50	.table = {
     51		GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT,
     52			    "cd", GPIO_ACTIVE_LOW),
     53		{ },
     54	},
     55};
     56
     57static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = {
     58	.dev_id = "pxa2xx-mci.0",
     59	.table = {
     60		GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT,
     61			    "cd", GPIO_ACTIVE_LOW),
     62		{ },
     63	},
     64};
     65
     66static void __init colibri_mmc_init(void)
     67{
     68	if (machine_is_colibri())	/* PXA270 Colibri */
     69		gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table);
     70	if (machine_is_colibri300())	/* PXA300 Colibri */
     71		gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table);
     72	else				/* PXA320 Colibri */
     73		gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table);
     74
     75	pxa_set_mci_info(&colibri_mci_platform_data);
     76}
     77#else
     78static inline void colibri_mmc_init(void) {}
     79#endif
     80
     81/******************************************************************************
     82 * USB Host
     83 ******************************************************************************/
     84#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
     85static int colibri_ohci_init(struct device *dev)
     86{
     87	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
     88	return 0;
     89}
     90
     91static struct pxaohci_platform_data colibri_ohci_info = {
     92	.port_mode	= PMM_PERPORT_MODE,
     93	.flags		= ENABLE_PORT1 |
     94			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
     95	.init		= colibri_ohci_init,
     96};
     97
     98static void __init colibri_uhc_init(void)
     99{
    100	/* Colibri PXA270 has two usb ports, TBA for 320 */
    101	if (machine_is_colibri())
    102		colibri_ohci_info.flags	|= ENABLE_PORT2;
    103
    104	pxa_set_ohci_info(&colibri_ohci_info);
    105}
    106#else
    107static inline void colibri_uhc_init(void) {}
    108#endif
    109
    110/******************************************************************************
    111 * I2C RTC
    112 ******************************************************************************/
    113#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE)
    114static struct i2c_board_info __initdata colibri_i2c_devs[] = {
    115	{
    116		I2C_BOARD_INFO("m41t00", 0x68),
    117	},
    118};
    119
    120static void __init colibri_rtc_init(void)
    121{
    122	pxa_set_i2c_info(NULL);
    123	i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs));
    124}
    125#else
    126static inline void colibri_rtc_init(void) {}
    127#endif
    128
    129void __init colibri_evalboard_init(void)
    130{
    131	pxa_set_ffuart_info(NULL);
    132	pxa_set_btuart_info(NULL);
    133	pxa_set_stuart_info(NULL);
    134
    135	colibri_mmc_init();
    136	colibri_uhc_init();
    137	colibri_rtc_init();
    138}