projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c0c13eb | 1 | /* |
| 6da7b415 PG |
2 | * 8250 UART probe driver for the BCM47XX platforms |
| 3 | * Author: Aurelien Jarno | |
| 4 | * | |
| 1c0c13eb AJ |
5 | * This file is subject to the terms and conditions of the GNU General Public |
| 6 | * License. See the file "COPYING" in the main directory of this archive | |
| 7 | * for more details. | |
| 8 | * | |
| 9 | * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> | |
| 10 | */ | |
| 11 | ||
| 1c0c13eb AJ |
12 | #include <linux/init.h> |
| 13 | #include <linux/serial.h> | |
| 14 | #include <linux/serial_8250.h> | |
| 15 | #include <linux/ssb/ssb.h> | |
| 16 | #include <bcm47xx.h> | |
| 17 | ||
| 18 | static struct plat_serial8250_port uart8250_data[5]; | |
| 19 | ||
| 20 | static struct platform_device uart8250_device = { | |
| 21 | .name = "serial8250", | |
| 22 | .id = PLAT8250_DEV_PLATFORM, | |
| 23 | .dev = { | |
| 24 | .platform_data = uart8250_data, | |
| 25 | }, | |
| 26 | }; | |
| 27 | ||
| a656ffcb | 28 | #ifdef CONFIG_BCM47XX_SSB |
| 08ccf572 | 29 | static int __init uart8250_init_ssb(void) |
| 1c0c13eb AJ |
30 | { |
| 31 | int i; | |
| 08ccf572 | 32 | struct ssb_mipscore *mcore = &(bcm47xx_bus.ssb.mipscore); |
| 1c0c13eb AJ |
33 | |
| 34 | memset(&uart8250_data, 0, sizeof(uart8250_data)); | |
| 35 | ||
| 9cbeac05 HM |
36 | for (i = 0; i < mcore->nr_serial_ports && |
| 37 | i < ARRAY_SIZE(uart8250_data) - 1; i++) { | |
| 1c0c13eb AJ |
38 | struct plat_serial8250_port *p = &(uart8250_data[i]); |
| 39 | struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]); | |
| 40 | ||
| d548ca6b RM |
41 | p->mapbase = (unsigned int)ssb_port->regs; |
| 42 | p->membase = (void *)ssb_port->regs; | |
| 1c0c13eb AJ |
43 | p->irq = ssb_port->irq + 2; |
| 44 | p->uartclk = ssb_port->baud_base; | |
| 45 | p->regshift = ssb_port->reg_shift; | |
| 46 | p->iotype = UPIO_MEM; | |
| 47 | p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; | |
| 48 | } | |
| 49 | return platform_device_register(&uart8250_device); | |
| 50 | } | |
| a656ffcb | 51 | #endif |
| 1c0c13eb | 52 | |
| c1d1c5d4 HM |
53 | #ifdef CONFIG_BCM47XX_BCMA |
| 54 | static int __init uart8250_init_bcma(void) | |
| 55 | { | |
| 56 | int i; | |
| 57 | struct bcma_drv_cc *cc = &(bcm47xx_bus.bcma.bus.drv_cc); | |
| 58 | ||
| 59 | memset(&uart8250_data, 0, sizeof(uart8250_data)); | |
| 60 | ||
| 9cbeac05 HM |
61 | for (i = 0; i < cc->nr_serial_ports && |
| 62 | i < ARRAY_SIZE(uart8250_data) - 1; i++) { | |
| c1d1c5d4 HM |
63 | struct plat_serial8250_port *p = &(uart8250_data[i]); |
| 64 | struct bcma_serial_port *bcma_port; | |
| 65 | bcma_port = &(cc->serial_ports[i]); | |
| 66 | ||
| d548ca6b RM |
67 | p->mapbase = (unsigned int)bcma_port->regs; |
| 68 | p->membase = (void *)bcma_port->regs; | |
| e2aa19fa | 69 | p->irq = bcma_port->irq; |
| c1d1c5d4 HM |
70 | p->uartclk = bcma_port->baud_base; |
| 71 | p->regshift = bcma_port->reg_shift; | |
| 72 | p->iotype = UPIO_MEM; | |
| 73 | p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; | |
| 74 | } | |
| 75 | return platform_device_register(&uart8250_device); | |
| 76 | } | |
| 77 | #endif | |
| 78 | ||
| 08ccf572 HM |
79 | static int __init uart8250_init(void) |
| 80 | { | |
| 81 | switch (bcm47xx_bus_type) { | |
| a656ffcb | 82 | #ifdef CONFIG_BCM47XX_SSB |
| 08ccf572 HM |
83 | case BCM47XX_BUS_TYPE_SSB: |
| 84 | return uart8250_init_ssb(); | |
| c1d1c5d4 HM |
85 | #endif |
| 86 | #ifdef CONFIG_BCM47XX_BCMA | |
| 87 | case BCM47XX_BUS_TYPE_BCMA: | |
| 88 | return uart8250_init_bcma(); | |
| a656ffcb | 89 | #endif |
| 08ccf572 HM |
90 | } |
| 91 | return -EINVAL; | |
| 92 | } | |
| 6da7b415 | 93 | device_initcall(uart8250_init); |