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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h5000.c (4282B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Hardware definitions for HP iPAQ h5xxx Handheld Computers
      4 *
      5 * Copyright 2000-2003  Hewlett-Packard Company.
      6 * Copyright 2002       Jamey Hicks <jamey.hicks@hp.com>
      7 * Copyright 2004-2005  Phil Blundell <pb@handhelds.org>
      8 * Copyright 2007-2008  Anton Vorontsov <cbouatmailru@gmail.com>
      9 *
     10 * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
     11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
     12 * FITNESS FOR ANY PARTICULAR PURPOSE.
     13 *
     14 * Author: Jamey Hicks.
     15 */
     16
     17#include <linux/kernel.h>
     18#include <linux/init.h>
     19#include <linux/platform_device.h>
     20#include <linux/mtd/mtd.h>
     21#include <linux/mtd/partitions.h>
     22#include <linux/mtd/physmap.h>
     23
     24#include <asm/mach-types.h>
     25#include <asm/mach/arch.h>
     26#include <asm/mach/map.h>
     27#include <asm/irq.h>
     28
     29#include "pxa25x.h"
     30#include "h5000.h"
     31#include "udc.h"
     32#include "smemc.h"
     33
     34#include "generic.h"
     35
     36/*
     37 * Flash
     38 */
     39
     40static struct mtd_partition h5000_flash0_partitions[] = {
     41	{
     42		.name = "bootldr",
     43		.size = 0x00040000,
     44		.offset = 0,
     45		.mask_flags = MTD_WRITEABLE,
     46	},
     47	{
     48		.name = "root",
     49		.size = MTDPART_SIZ_FULL,
     50		.offset = MTDPART_OFS_APPEND,
     51	},
     52};
     53
     54static struct mtd_partition h5000_flash1_partitions[] = {
     55	{
     56		.name = "second root",
     57		.size = SZ_16M - 0x00040000,
     58		.offset = 0,
     59	},
     60	{
     61		.name = "asset",
     62		.size = MTDPART_SIZ_FULL,
     63		.offset = MTDPART_OFS_APPEND,
     64		.mask_flags = MTD_WRITEABLE,
     65	},
     66};
     67
     68static struct physmap_flash_data h5000_flash0_data = {
     69	.width = 4,
     70	.parts = h5000_flash0_partitions,
     71	.nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
     72};
     73
     74static struct physmap_flash_data h5000_flash1_data = {
     75	.width = 4,
     76	.parts = h5000_flash1_partitions,
     77	.nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
     78};
     79
     80static struct resource h5000_flash0_resources = {
     81	.start = PXA_CS0_PHYS,
     82	.end = PXA_CS0_PHYS + SZ_32M - 1,
     83	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
     84};
     85
     86static struct resource h5000_flash1_resources = {
     87	.start = PXA_CS0_PHYS + SZ_32M,
     88	.end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
     89	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
     90};
     91
     92static struct platform_device h5000_flash[] = {
     93	{
     94		.name = "physmap-flash",
     95		.id = 0,
     96		.resource = &h5000_flash0_resources,
     97		.num_resources = 1,
     98		.dev = {
     99			.platform_data = &h5000_flash0_data,
    100		},
    101	},
    102	{
    103		.name = "physmap-flash",
    104		.id = 1,
    105		.resource = &h5000_flash1_resources,
    106		.num_resources = 1,
    107		.dev = {
    108			.platform_data = &h5000_flash1_data,
    109		},
    110	},
    111};
    112
    113/*
    114 * USB Device Controller
    115 */
    116
    117static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
    118	.gpio_pullup = H5000_GPIO_USB_PULLUP,
    119};
    120
    121/*
    122 * GPIO setup
    123 */
    124
    125static unsigned long h5000_pin_config[] __initdata = {
    126	/* Crystal and Clock Signals */
    127	GPIO12_32KHz,
    128
    129	/* SDRAM and Static Memory I/O Signals */
    130	GPIO15_nCS_1,
    131	GPIO78_nCS_2,
    132	GPIO79_nCS_3,
    133	GPIO80_nCS_4,
    134
    135	/* FFUART */
    136	GPIO34_FFUART_RXD,
    137	GPIO35_FFUART_CTS,
    138	GPIO36_FFUART_DCD,
    139	GPIO37_FFUART_DSR,
    140	GPIO38_FFUART_RI,
    141	GPIO39_FFUART_TXD,
    142	GPIO40_FFUART_DTR,
    143	GPIO41_FFUART_RTS,
    144
    145	/* BTUART */
    146	GPIO42_BTUART_RXD,
    147	GPIO43_BTUART_TXD,
    148	GPIO44_BTUART_CTS,
    149	GPIO45_BTUART_RTS,
    150
    151	/* SSP1 */
    152	GPIO23_SSP1_SCLK,
    153	GPIO25_SSP1_TXD,
    154	GPIO26_SSP1_RXD,
    155
    156	/* I2S */
    157	GPIO28_I2S_BITCLK_OUT,
    158	GPIO29_I2S_SDATA_IN,
    159	GPIO30_I2S_SDATA_OUT,
    160	GPIO31_I2S_SYNC,
    161	GPIO32_I2S_SYSCLK,
    162};
    163
    164/*
    165 * Localbus setup:
    166 * CS0: Flash;
    167 * CS1: MediaQ chip, select 16-bit bus and vlio;
    168 * CS5: SAMCOP.
    169 */
    170
    171static void fix_msc(void)
    172{
    173	__raw_writel(0x129c24f2, MSC0);
    174	__raw_writel(0x7ff424fa, MSC1);
    175	__raw_writel(0x7ff47ff4, MSC2);
    176
    177	__raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
    178}
    179
    180/*
    181 * Platform devices
    182 */
    183
    184static struct platform_device *devices[] __initdata = {
    185	&h5000_flash[0],
    186	&h5000_flash[1],
    187};
    188
    189static void __init h5000_init(void)
    190{
    191	fix_msc();
    192
    193	pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
    194	pxa_set_ffuart_info(NULL);
    195	pxa_set_btuart_info(NULL);
    196	pxa_set_stuart_info(NULL);
    197	pxa_set_udc_info(&h5000_udc_mach_info);
    198	platform_add_devices(ARRAY_AND_SIZE(devices));
    199}
    200
    201MACHINE_START(H5400, "HP iPAQ H5000")
    202	.atag_offset = 0x100,
    203	.map_io = pxa25x_map_io,
    204	.nr_irqs = PXA_NR_IRQS,
    205	.init_irq = pxa25x_init_irq,
    206	.handle_irq = pxa25x_handle_irq,
    207	.init_time	= pxa_timer_init,
    208	.init_machine = h5000_init,
    209	.restart	= pxa_restart,
    210MACHINE_END