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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capc7117.c (3997B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * linux/arch/arm/mach-pxa/capc7117.c
      4 *
      5 * Support for the Embedian CAPC-7117 Evaluation Kit
      6 * based on the Embedian MXM-8x10 Computer on Module
      7 *
      8 * Copyright (C) 2009 Embedian Inc.
      9 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
     10 *
     11 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
     12 *             rewrite to align with latest kernel
     13 *
     14 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
     15 *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
     16 *             rework for upstream merge
     17 */
     18
     19#include <linux/irq.h>
     20#include <linux/platform_device.h>
     21#include <linux/ata_platform.h>
     22#include <linux/serial_8250.h>
     23#include <linux/gpio.h>
     24#include <linux/regulator/machine.h>
     25
     26#include <asm/mach-types.h>
     27#include <asm/mach/arch.h>
     28
     29#include "pxa320.h"
     30#include "mxm8x10.h"
     31
     32#include "generic.h"
     33
     34/* IDE (PATA) Support */
     35static struct pata_platform_info pata_platform_data = {
     36	.ioport_shift = 1
     37};
     38
     39static struct resource capc7117_ide_resources[] = {
     40	[0] = {
     41	       .start = 0x11000020,
     42	       .end = 0x1100003f,
     43	       .flags = IORESOURCE_MEM
     44	},
     45	[1] = {
     46	       .start = 0x1100001c,
     47	       .end = 0x1100001c,
     48	       .flags = IORESOURCE_MEM
     49	},
     50	[2] = {
     51	       .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
     52	       .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
     53	       .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
     54	}
     55};
     56
     57static struct platform_device capc7117_ide_device = {
     58	.name = "pata_platform",
     59	.num_resources = ARRAY_SIZE(capc7117_ide_resources),
     60	.resource = capc7117_ide_resources,
     61	.dev = {
     62		.platform_data = &pata_platform_data,
     63		.coherent_dma_mask = ~0		/* grumble */
     64	}
     65};
     66
     67static void __init capc7117_ide_init(void)
     68{
     69	platform_device_register(&capc7117_ide_device);
     70}
     71
     72/* TI16C752 UART support */
     73#define	TI16C752_FLAGS		(UPF_BOOT_AUTOCONF | \
     74					UPF_IOREMAP | \
     75					UPF_BUGGY_UART | \
     76					UPF_SKIP_TEST)
     77#define	TI16C752_UARTCLK	(22118400)
     78static struct plat_serial8250_port ti16c752_platform_data[] = {
     79	[0] = {
     80	       .mapbase = 0x14000000,
     81	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
     82	       .irqflags = IRQF_TRIGGER_RISING,
     83	       .flags = TI16C752_FLAGS,
     84	       .iotype = UPIO_MEM,
     85	       .regshift = 1,
     86	       .uartclk = TI16C752_UARTCLK
     87	},
     88	[1] = {
     89	       .mapbase = 0x14000040,
     90	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
     91	       .irqflags = IRQF_TRIGGER_RISING,
     92	       .flags = TI16C752_FLAGS,
     93	       .iotype = UPIO_MEM,
     94	       .regshift = 1,
     95	       .uartclk = TI16C752_UARTCLK
     96	},
     97	[2] = {
     98	       .mapbase = 0x14000080,
     99	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
    100	       .irqflags = IRQF_TRIGGER_RISING,
    101	       .flags = TI16C752_FLAGS,
    102	       .iotype = UPIO_MEM,
    103	       .regshift = 1,
    104	       .uartclk = TI16C752_UARTCLK
    105	},
    106	[3] = {
    107	       .mapbase = 0x140000c0,
    108	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
    109	       .irqflags = IRQF_TRIGGER_RISING,
    110	       .flags = TI16C752_FLAGS,
    111	       .iotype = UPIO_MEM,
    112	       .regshift = 1,
    113	       .uartclk = TI16C752_UARTCLK
    114	},
    115	[4] = {
    116	       /* end of array */
    117	}
    118};
    119
    120static struct platform_device ti16c752_device = {
    121	.name = "serial8250",
    122	.id = PLAT8250_DEV_PLATFORM,
    123	.dev = {
    124		.platform_data = ti16c752_platform_data
    125	}
    126};
    127
    128static void __init capc7117_uarts_init(void)
    129{
    130	platform_device_register(&ti16c752_device);
    131}
    132
    133static void __init capc7117_init(void)
    134{
    135	/* Init CoM */
    136	mxm_8x10_barebones_init();
    137
    138	/* Init evaluation board peripherals */
    139	mxm_8x10_ac97_init();
    140	mxm_8x10_usb_host_init();
    141	mxm_8x10_mmc_init();
    142
    143	capc7117_uarts_init();
    144	capc7117_ide_init();
    145
    146	regulator_has_full_constraints();
    147}
    148
    149MACHINE_START(CAPC7117,
    150	      "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
    151	.atag_offset = 0x100,
    152	.map_io = pxa3xx_map_io,
    153	.nr_irqs = PXA_NR_IRQS,
    154	.init_irq = pxa3xx_init_irq,
    155	.handle_irq = pxa3xx_handle_irq,
    156	.init_time	= pxa_timer_init,
    157	.init_machine = capc7117_init,
    158	.restart	= pxa_restart,
    159MACHINE_END