setup.c

  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};