diff options
Diffstat (limited to 'arch/arm/mach-ns9xxx')
| -rw-r--r-- | arch/arm/mach-ns9xxx/Kconfig | 4 | ||||
| -rw-r--r-- | arch/arm/mach-ns9xxx/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-ns9xxx/board-a9m9750dev.c | 58 | ||||
| -rw-r--r-- | arch/arm/mach-ns9xxx/plat-serial8250.c | 69 |
4 files changed, 76 insertions, 58 deletions
diff --git a/arch/arm/mach-ns9xxx/Kconfig b/arch/arm/mach-ns9xxx/Kconfig index 8584ed10799..83c0efa7399 100644 --- a/arch/arm/mach-ns9xxx/Kconfig +++ b/arch/arm/mach-ns9xxx/Kconfig @@ -2,6 +2,9 @@ if ARCH_NS9XXX menu "NS9xxx Implementations" +config NS9XXX_HAVE_SERIAL8250 + bool + config MACH_CC9P9360DEV bool "ConnectCore 9P 9360 on an A9M9750 Devboard" select PROCESSOR_NS9360 @@ -23,6 +26,7 @@ config PROCESSOR_NS9360 config BOARD_A9M9750DEV bool + select NS9XXX_HAVE_SERIAL8250 config BOARD_JSCC9P9360 bool diff --git a/arch/arm/mach-ns9xxx/Makefile b/arch/arm/mach-ns9xxx/Makefile index 6fb82b855a5..ca2c68dede1 100644 --- a/arch/arm/mach-ns9xxx/Makefile +++ b/arch/arm/mach-ns9xxx/Makefile @@ -5,3 +5,6 @@ obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o obj-$(CONFIG_BOARD_A9M9750DEV) += board-a9m9750dev.o obj-$(CONFIG_BOARD_JSCC9P9360) += board-jscc9p9360.o + +# platform devices +obj-$(CONFIG_NS9XXX_HAVE_SERIAL8250) += plat-serial8250.o diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c index 0f65177f9e5..14a06da25ac 100644 --- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c +++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c @@ -8,8 +8,6 @@ * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ -#include <linux/platform_device.h> -#include <linux/serial_8250.h> #include <linux/irq.h> #include <asm/mach/map.h> @@ -126,59 +124,6 @@ void __init board_a9m9750dev_init_irq(void) a9m9750dev_fpga_demux_handler); } -static struct plat_serial8250_port board_a9m9750dev_serial8250_port[] = { - { - .iobase = FPGA_UARTA_BASE, - .membase = (unsigned char*)FPGA_UARTA_BASE, - .mapbase = FPGA_UARTA_BASE, - .irq = IRQ_FPGA_UARTA, - .iotype = UPIO_MEM, - .uartclk = 18432000, - .regshift = 0, - .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, - }, { - .iobase = FPGA_UARTB_BASE, - .membase = (unsigned char*)FPGA_UARTB_BASE, - .mapbase = FPGA_UARTB_BASE, - .irq = IRQ_FPGA_UARTB, - .iotype = UPIO_MEM, - .uartclk = 18432000, - .regshift = 0, - .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, - }, { - .iobase = FPGA_UARTC_BASE, - .membase = (unsigned char*)FPGA_UARTC_BASE, - .mapbase = FPGA_UARTC_BASE, - .irq = IRQ_FPGA_UARTC, - .iotype = UPIO_MEM, - .uartclk = 18432000, - .regshift = 0, - .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, - }, { - .iobase = FPGA_UARTD_BASE, - .membase = (unsigned char*)FPGA_UARTD_BASE, - .mapbase = FPGA_UARTD_BASE, - .irq = IRQ_FPGA_UARTD, - .iotype = UPIO_MEM, - .uartclk = 18432000, - .regshift = 0, - .flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ, - }, { - /* end marker */ - }, -}; - -static struct platform_device board_a9m9750dev_serial_device = { - .name = "serial8250", - .dev = { - .platform_data = board_a9m9750dev_serial8250_port, - }, -}; - -static struct platform_device *board_a9m9750dev_devices[] __initdata = { - &board_a9m9750dev_serial_device, -}; - void __init board_a9m9750dev_init_machine(void) { u32 reg; @@ -210,7 +155,4 @@ void __init board_a9m9750dev_init_machine(void) __raw_writel(0x2, MEM_SMOED(0)); __raw_writel(0x6, MEM_SMRD(0)); __raw_writel(0x6, MEM_SMWD(0)); - - platform_add_devices(board_a9m9750dev_devices, - ARRAY_SIZE(board_a9m9750dev_devices)); } diff --git a/arch/arm/mach-ns9xxx/plat-serial8250.c b/arch/arm/mach-ns9xxx/plat-serial8250.c new file mode 100644 index 00000000000..5aa5d9baf8c --- /dev/null +++ b/arch/arm/mach-ns9xxx/plat-serial8250.c @@ -0,0 +1,69 @@ +/* + * arch/arm/mach-ns9xxx/plat-serial8250.c + * + * Copyright (C) 2008 by Digi International Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#include <linux/platform_device.h> +#include <linux/serial_8250.h> + +#include <asm/arch-ns9xxx/regs-board-a9m9750dev.h> +#include <asm/arch-ns9xxx/board.h> + +#define DRIVER_NAME "serial8250" + +static int __init ns9xxx_plat_serial8250_init(void) +{ + struct plat_serial8250_port *pdata; + struct platform_device *pdev; + int ret = -ENOMEM; + int i; + + if (!board_is_a9m9750dev()) + return -ENODEV; + + pdev = platform_device_alloc(DRIVER_NAME, 0); + if (!pdev) + goto err; + + pdata = kzalloc(5 * sizeof(*pdata), GFP_KERNEL); + if (!pdata) + goto err; + + pdev->dev.platform_data = pdata; + + pdata[0].iobase = FPGA_UARTA_BASE; + pdata[1].iobase = FPGA_UARTB_BASE; + pdata[2].iobase = FPGA_UARTC_BASE; + pdata[3].iobase = FPGA_UARTD_BASE; + + for (i = 0; i < 4; ++i) { + pdata[i].membase = (void __iomem *)pdata[i].iobase; + pdata[i].mapbase = pdata[i].iobase; + pdata[i].iotype = UPIO_MEM; + pdata[i].uartclk = 18432000; + pdata[i].flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; + } + + pdata[0].irq = IRQ_FPGA_UARTA; + pdata[1].irq = IRQ_FPGA_UARTB; + pdata[2].irq = IRQ_FPGA_UARTC; + pdata[3].irq = IRQ_FPGA_UARTD; + + ret = platform_device_add(pdev); + if (ret) { +err: + platform_device_put(pdev); + + printk(KERN_WARNING "Could not add %s (errno=%d)\n", + DRIVER_NAME, ret); + } + + return 0; +} + +arch_initcall(ns9xxx_plat_serial8250_init); |