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1c0c13eb AJ |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> | |
7 | */ | |
8 | ||
9 | #include <linux/module.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/serial.h> | |
12 | #include <linux/serial_8250.h> | |
13 | #include <linux/ssb/ssb.h> | |
14 | #include <bcm47xx.h> | |
15 | ||
16 | static struct plat_serial8250_port uart8250_data[5]; | |
17 | ||
18 | static struct platform_device uart8250_device = { | |
19 | .name = "serial8250", | |
20 | .id = PLAT8250_DEV_PLATFORM, | |
21 | .dev = { | |
22 | .platform_data = uart8250_data, | |
23 | }, | |
24 | }; | |
25 | ||
a656ffcb | 26 | #ifdef CONFIG_BCM47XX_SSB |
08ccf572 | 27 | static int __init uart8250_init_ssb(void) |
1c0c13eb AJ |
28 | { |
29 | int i; | |
08ccf572 | 30 | struct ssb_mipscore *mcore = &(bcm47xx_bus.ssb.mipscore); |
1c0c13eb AJ |
31 | |
32 | memset(&uart8250_data, 0, sizeof(uart8250_data)); | |
33 | ||
9cbeac05 HM |
34 | for (i = 0; i < mcore->nr_serial_ports && |
35 | i < ARRAY_SIZE(uart8250_data) - 1; i++) { | |
1c0c13eb AJ |
36 | struct plat_serial8250_port *p = &(uart8250_data[i]); |
37 | struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]); | |
38 | ||
d548ca6b RM |
39 | p->mapbase = (unsigned int)ssb_port->regs; |
40 | p->membase = (void *)ssb_port->regs; | |
1c0c13eb AJ |
41 | p->irq = ssb_port->irq + 2; |
42 | p->uartclk = ssb_port->baud_base; | |
43 | p->regshift = ssb_port->reg_shift; | |
44 | p->iotype = UPIO_MEM; | |
45 | p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; | |
46 | } | |
47 | return platform_device_register(&uart8250_device); | |
48 | } | |
a656ffcb | 49 | #endif |
1c0c13eb | 50 | |
c1d1c5d4 HM |
51 | #ifdef CONFIG_BCM47XX_BCMA |
52 | static int __init uart8250_init_bcma(void) | |
53 | { | |
54 | int i; | |
55 | struct bcma_drv_cc *cc = &(bcm47xx_bus.bcma.bus.drv_cc); | |
56 | ||
57 | memset(&uart8250_data, 0, sizeof(uart8250_data)); | |
58 | ||
9cbeac05 HM |
59 | for (i = 0; i < cc->nr_serial_ports && |
60 | i < ARRAY_SIZE(uart8250_data) - 1; i++) { | |
c1d1c5d4 HM |
61 | struct plat_serial8250_port *p = &(uart8250_data[i]); |
62 | struct bcma_serial_port *bcma_port; | |
63 | bcma_port = &(cc->serial_ports[i]); | |
64 | ||
d548ca6b RM |
65 | p->mapbase = (unsigned int)bcma_port->regs; |
66 | p->membase = (void *)bcma_port->regs; | |
e2aa19fa | 67 | p->irq = bcma_port->irq; |
c1d1c5d4 HM |
68 | p->uartclk = bcma_port->baud_base; |
69 | p->regshift = bcma_port->reg_shift; | |
70 | p->iotype = UPIO_MEM; | |
71 | p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; | |
72 | } | |
73 | return platform_device_register(&uart8250_device); | |
74 | } | |
75 | #endif | |
76 | ||
08ccf572 HM |
77 | static int __init uart8250_init(void) |
78 | { | |
79 | switch (bcm47xx_bus_type) { | |
a656ffcb | 80 | #ifdef CONFIG_BCM47XX_SSB |
08ccf572 HM |
81 | case BCM47XX_BUS_TYPE_SSB: |
82 | return uart8250_init_ssb(); | |
c1d1c5d4 HM |
83 | #endif |
84 | #ifdef CONFIG_BCM47XX_BCMA | |
85 | case BCM47XX_BUS_TYPE_BCMA: | |
86 | return uart8250_init_bcma(); | |
a656ffcb | 87 | #endif |
08ccf572 HM |
88 | } |
89 | return -EINVAL; | |
90 | } | |
91 | ||
1c0c13eb AJ |
92 | module_init(uart8250_init); |
93 | ||
94 | MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>"); | |
95 | MODULE_LICENSE("GPL"); | |
96 | MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms"); |