1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * Registration of Cobalt UART platform devic 3 * Registration of Cobalt UART platform device.
4 * 4 *
5 * Copyright (C) 2007 Yoichi Yuasa <yuasa@li 5 * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
6 */ 6 */
7 #include <linux/errno.h> 7 #include <linux/errno.h>
8 #include <linux/init.h> 8 #include <linux/init.h>
9 #include <linux/ioport.h> 9 #include <linux/ioport.h>
10 #include <linux/platform_device.h> 10 #include <linux/platform_device.h>
11 #include <linux/serial_8250.h> 11 #include <linux/serial_8250.h>
12 12
13 #include <cobalt.h> 13 #include <cobalt.h>
14 #include <irq.h> 14 #include <irq.h>
15 15
16 static struct resource cobalt_uart_resource[] 16 static struct resource cobalt_uart_resource[] __initdata = {
17 { 17 {
18 .start = 0x1c800000, 18 .start = 0x1c800000,
19 .end = 0x1c800007, 19 .end = 0x1c800007,
20 .flags = IORESOURCE_MEM, 20 .flags = IORESOURCE_MEM,
21 }, 21 },
22 { 22 {
23 .start = SERIAL_IRQ, 23 .start = SERIAL_IRQ,
24 .end = SERIAL_IRQ, 24 .end = SERIAL_IRQ,
25 .flags = IORESOURCE_IRQ, 25 .flags = IORESOURCE_IRQ,
26 }, 26 },
27 }; 27 };
28 28
29 static struct plat_serial8250_port cobalt_seri 29 static struct plat_serial8250_port cobalt_serial8250_port[] = {
30 { 30 {
31 .irq = SERIAL_IRQ, 31 .irq = SERIAL_IRQ,
32 .uartclk = 18432000, 32 .uartclk = 18432000,
33 .iotype = UPIO_MEM, 33 .iotype = UPIO_MEM,
34 .flags = UPF_IOREMAP 34 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
35 .mapbase = 0x1c800000, 35 .mapbase = 0x1c800000,
36 }, 36 },
37 {}, 37 {},
38 }; 38 };
39 39
40 static __init int cobalt_uart_add(void) 40 static __init int cobalt_uart_add(void)
41 { 41 {
42 struct platform_device *pdev; 42 struct platform_device *pdev;
43 int retval; 43 int retval;
44 44
45 /* 45 /*
46 * Cobalt Qube1 has no UART. 46 * Cobalt Qube1 has no UART.
47 */ 47 */
48 if (cobalt_board_id == COBALT_BRD_ID_Q 48 if (cobalt_board_id == COBALT_BRD_ID_QUBE1)
49 return 0; 49 return 0;
50 50
51 pdev = platform_device_alloc("serial82 51 pdev = platform_device_alloc("serial8250", -1);
52 if (!pdev) 52 if (!pdev)
53 return -ENOMEM; 53 return -ENOMEM;
54 54
55 pdev->id = PLAT8250_DEV_PLATFORM; 55 pdev->id = PLAT8250_DEV_PLATFORM;
56 pdev->dev.platform_data = cobalt_seria 56 pdev->dev.platform_data = cobalt_serial8250_port;
57 57
58 retval = platform_device_add_resources 58 retval = platform_device_add_resources(pdev, cobalt_uart_resource, ARRAY_SIZE(cobalt_uart_resource));
59 if (retval) 59 if (retval)
60 goto err_free_device; 60 goto err_free_device;
61 61
62 retval = platform_device_add(pdev); 62 retval = platform_device_add(pdev);
63 if (retval) 63 if (retval)
64 goto err_free_device; 64 goto err_free_device;
65 65
66 return 0; 66 return 0;
67 67
68 err_free_device: 68 err_free_device:
69 platform_device_put(pdev); 69 platform_device_put(pdev);
70 70
71 return retval; 71 return retval;
72 } 72 }
73 device_initcall(cobalt_uart_add); 73 device_initcall(cobalt_uart_add);
74 74
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