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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setup.c (3987B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/init.h>
      3#include <linux/platform_device.h>
      4#include <linux/mtd/physmap.h>
      5#include <linux/serial_8250.h>
      6#include <linux/serial_reg.h>
      7#include <linux/usb/isp116x.h>
      8#include <linux/delay.h>
      9#include <linux/irqdomain.h>
     10#include <asm/machvec.h>
     11#include <mach-se/mach/se7343.h>
     12#include <asm/heartbeat.h>
     13#include <asm/irq.h>
     14#include <asm/io.h>
     15
     16static struct resource heartbeat_resource = {
     17	.start	= PA_LED,
     18	.end	= PA_LED,
     19	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
     20};
     21
     22static struct platform_device heartbeat_device = {
     23	.name		= "heartbeat",
     24	.id		= -1,
     25	.num_resources	= 1,
     26	.resource	= &heartbeat_resource,
     27};
     28
     29static struct mtd_partition nor_flash_partitions[] = {
     30	{
     31		.name		= "loader",
     32		.offset		= 0x00000000,
     33		.size		= 128 * 1024,
     34	},
     35	{
     36		.name		= "rootfs",
     37		.offset		= MTDPART_OFS_APPEND,
     38		.size		= 31 * 1024 * 1024,
     39	},
     40	{
     41		.name		= "data",
     42		.offset		= MTDPART_OFS_APPEND,
     43		.size		= MTDPART_SIZ_FULL,
     44	},
     45};
     46
     47static struct physmap_flash_data nor_flash_data = {
     48	.width		= 2,
     49	.parts		= nor_flash_partitions,
     50	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
     51};
     52
     53static struct resource nor_flash_resources[] = {
     54	[0]	= {
     55		.start	= 0x00000000,
     56		.end	= 0x01ffffff,
     57		.flags	= IORESOURCE_MEM,
     58	}
     59};
     60
     61static struct platform_device nor_flash_device = {
     62	.name		= "physmap-flash",
     63	.dev		= {
     64		.platform_data	= &nor_flash_data,
     65	},
     66	.num_resources	= ARRAY_SIZE(nor_flash_resources),
     67	.resource	= nor_flash_resources,
     68};
     69
     70#define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
     71
     72static struct plat_serial8250_port serial_platform_data[] = {
     73	[0] = {
     74		.iotype		= UPIO_MEM,
     75		.mapbase	= 0x16000000,
     76		.regshift	= 1,
     77		.flags		= ST16C2550C_FLAGS,
     78		.uartclk	= 7372800,
     79	},
     80	[1] = {
     81		.iotype		= UPIO_MEM,
     82		.mapbase	= 0x17000000,
     83		.regshift	= 1,
     84		.flags		= ST16C2550C_FLAGS,
     85		.uartclk	= 7372800,
     86	},
     87	{ },
     88};
     89
     90static struct platform_device uart_device = {
     91	.name			= "serial8250",
     92	.id			= PLAT8250_DEV_PLATFORM,
     93	.dev			= {
     94		.platform_data	= serial_platform_data,
     95	},
     96};
     97
     98static void isp116x_delay(struct device *dev, int delay)
     99{
    100	ndelay(delay);
    101}
    102
    103static struct resource usb_resources[] = {
    104	[0] = {
    105		.start  = 0x11800000,
    106		.end    = 0x11800001,
    107		.flags  = IORESOURCE_MEM,
    108	},
    109	[1] = {
    110		.start  = 0x11800002,
    111		.end    = 0x11800003,
    112		.flags  = IORESOURCE_MEM,
    113	},
    114	[2] = {
    115		/* Filled in later */
    116		.flags  = IORESOURCE_IRQ,
    117	},
    118};
    119
    120static struct isp116x_platform_data usb_platform_data = {
    121	.sel15Kres		= 1,
    122	.oc_enable		= 1,
    123	.int_act_high		= 0,
    124	.int_edge_triggered	= 0,
    125	.remote_wakeup_enable	= 0,
    126	.delay			= isp116x_delay,
    127};
    128
    129static struct platform_device usb_device = {
    130	.name			= "isp116x-hcd",
    131	.id			= -1,
    132	.num_resources		= ARRAY_SIZE(usb_resources),
    133	.resource		= usb_resources,
    134	.dev			= {
    135		.platform_data	= &usb_platform_data,
    136	},
    137
    138};
    139
    140static struct platform_device *sh7343se_platform_devices[] __initdata = {
    141	&heartbeat_device,
    142	&nor_flash_device,
    143	&uart_device,
    144	&usb_device,
    145};
    146
    147static int __init sh7343se_devices_setup(void)
    148{
    149	/* Wire-up dynamic vectors */
    150	serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain,
    151						       SE7343_FPGA_IRQ_UARTA);
    152	serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain,
    153						       SE7343_FPGA_IRQ_UARTB);
    154	usb_resources[2].start = usb_resources[2].end =
    155		irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB);
    156
    157	return platform_add_devices(sh7343se_platform_devices,
    158				    ARRAY_SIZE(sh7343se_platform_devices));
    159}
    160device_initcall(sh7343se_devices_setup);
    161
    162/*
    163 * Initialize the board
    164 */
    165static void __init sh7343se_setup(char **cmdline_p)
    166{
    167	__raw_writew(0xf900, FPGA_OUT);	/* FPGA */
    168
    169	__raw_writew(0x0002, PORT_PECR);	/* PORT E 1 = IRQ5 */
    170	__raw_writew(0x0020, PORT_PSELD);
    171
    172	printk(KERN_INFO "MS7343CP01 Setup...done\n");
    173}
    174
    175/*
    176 * The Machine Vector
    177 */
    178static struct sh_machine_vector mv_7343se __initmv = {
    179	.mv_name = "SolutionEngine 7343",
    180	.mv_setup = sh7343se_setup,
    181	.mv_init_irq = init_7343se_IRQ,
    182};