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 16 static struct resource heartbeat_resource = { 17 .start = PA_LED, 18 .end = PA_LED, 19 .flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT, 20 }; 21 22 static struct platform_device heartbeat_device = { 23 .name = "heartbeat", 24 .id = -1, 25 .num_resources = 1, 26 .resource = &heartbeat_resource, 27 }; 28 29 static 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 47 static 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 53 static struct resource nor_flash_resources[] = { 54 [0] = { 55 .start = 0x00000000, 56 .end = 0x01ffffff, 57 .flags = IORESOURCE_MEM, 58 } 59 }; 60 61 static 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 72 static 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 90 static struct platform_device uart_device = { 91 .name = "serial8250", 92 .id = PLAT8250_DEV_PLATFORM, 93 .dev = { 94 .platform_data = serial_platform_data, 95 }, 96 }; 97 98 static void isp116x_delay(struct device *dev, int delay) 99 { 100 ndelay(delay); 101 } 102 103 static 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 }; 119 120 static 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 }; 128 129 static 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 }; 139 140 static struct platform_device *sh7343se_platform_devices[] __initdata = { 141 &heartbeat_device, 142 &nor_flash_device, 143 &uart_device, 144 &usb_device, 145 }; 146 147 static 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 } 160 device_initcall(sh7343se_devices_setup); 161 162 /* 163 * Initialize the board 164 */ 165 static 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 */ 178 static 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 }; 183