From 65cc3370ef3fb56b9b423f282a8204f8cce66e32 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Mon, 18 Jul 2005 10:24:32 +0100 Subject: [PATCH] [PATCH] ARM: 2818/1: BAST - Use platform device for SuperIO 16550s Patch from Ben Dooks Use platform device for the 16500 UARTs in the onboard SuperIO controller. Signed-off-by: Ben Dooks Signed-off-by: Russell King --- arch/arm/configs/bast_defconfig | 1 - arch/arm/configs/s3c2410_defconfig | 1 - arch/arm/mach-s3c2410/mach-bast.c | 37 ++++++++++++++ drivers/serial/Kconfig | 7 --- drivers/serial/Makefile | 1 - drivers/serial/bast_sio.c | 80 ------------------------------ 6 files changed, 37 insertions(+), 90 deletions(-) delete mode 100644 drivers/serial/bast_sio.c diff --git a/arch/arm/configs/bast_defconfig b/arch/arm/configs/bast_defconfig index 2d985e9611c..35e3a99bcbb 100644 --- a/arch/arm/configs/bast_defconfig +++ b/arch/arm/configs/bast_defconfig @@ -561,7 +561,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_S3C2410=y CONFIG_SERIAL_S3C2410_CONSOLE=y -CONFIG_SERIAL_BAST_SIO=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index 98b72ff3883..96a794d8de8 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -570,7 +570,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_S3C2410=y CONFIG_SERIAL_S3C2410_CONSOLE=y -CONFIG_SERIAL_BAST_SIO=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index ccb6bcefa46..206778ebfce 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -28,6 +28,7 @@ * 14-Mar-2006 BJD Updated for __iomem changes * 22-Jun-2006 BJD Added DM9000 platform information * 28-Jun-2006 BJD Moved pm functionality out to common code + * 17-Jul-2006 BJD Changed to platform device for SuperIO 16550s */ #include @@ -64,6 +65,8 @@ #include #include +#include + #include "clock.h" #include "devs.h" #include "cpu.h" @@ -351,6 +354,39 @@ static struct platform_device bast_device_dm9k = { } }; +/* serial devices */ + +#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO) +#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SHARE_IRQ) +#define SERIAL_CLK (1843200) + +static struct plat_serial8250_port bast_sio_data[] = { + [0] = { + .mapbase = SERIAL_BASE + 0x2f8, + .irq = IRQ_PCSERIAL1, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + [1] = { + .mapbase = SERIAL_BASE + 0x3f8, + .irq = IRQ_PCSERIAL2, + .flags = SERIAL_FLAGS, + .iotype = UPIO_MEM, + .regshift = 0, + .uartclk = SERIAL_CLK, + }, + { } +}; + +static struct platform_device bast_sio = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = &bast_sio_data, + }, +}; /* Standard BAST devices */ @@ -364,6 +400,7 @@ static struct platform_device *bast_devices[] __initdata = { &s3c_device_nand, &bast_device_nor, &bast_device_dm9k, + &bast_sio, }; static struct clk *bast_clocks[] = { diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index e0d0a470ddf..97034d3937f 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -306,13 +306,6 @@ config SERIAL_S3C2410_CONSOLE your boot loader about how to pass options to the kernel at boot time.) -config SERIAL_BAST_SIO - bool "Support for BAST SuperIO serial ports" - depends on ARCH_BAST && SERIAL_8250=y - help - Support for registerin the SuperIO chip on BAST board with - the 8250/16550 uart code. - config SERIAL_DZ bool "DECstation DZ serial driver" depends on MACH_DECSTATION && MIPS32 diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 65bd4381685..11c7dc483f9 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -44,7 +44,6 @@ obj-$(CONFIG_SERIAL_LH7A40X) += serial_lh7a40x.o obj-$(CONFIG_SERIAL_AU1X00) += au1x00_uart.o obj-$(CONFIG_SERIAL_DZ) += dz.o obj-$(CONFIG_SERIAL_SH_SCI) += sh-sci.o -obj-$(CONFIG_SERIAL_BAST_SIO) += bast_sio.o obj-$(CONFIG_SERIAL_SGI_L1_CONSOLE) += sn_console.o obj-$(CONFIG_SERIAL_CPM) += cpm_uart/ obj-$(CONFIG_SERIAL_IMX) += imx.o diff --git a/drivers/serial/bast_sio.c b/drivers/serial/bast_sio.c deleted file mode 100644 index 2b48fab6f0c..00000000000 --- a/drivers/serial/bast_sio.c +++ /dev/null @@ -1,80 +0,0 @@ -/* linux/drivers/serial/bast_sio.c - * - * Copyright (c) 2004 Simtec Electronics - * Ben Dooks - * - * http://www.simtec.co.uk/products/EB2410ITX/ - * - * 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. - * - * Modifications: - * 23-Sep-2004 BJD Added copyright header - * 23-Sep-2004 BJD Added serial port remove code -*/ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include - -static int __init serial_bast_register(unsigned long port, unsigned int irq) -{ - struct serial_struct serial_req; - - serial_req.flags = UPF_AUTOPROBE | UPF_SHARE_IRQ; - serial_req.baud_base = BASE_BAUD; - serial_req.irq = irq; - serial_req.io_type = UPIO_MEM; - serial_req.iomap_base = port; - serial_req.iomem_base = ioremap(port, 0x10); - serial_req.iomem_reg_shift = 0; - - return register_serial(&serial_req); -} - -#define SERIAL_BASE (S3C2410_CS2 + BAST_PA_SUPERIO) - -static int port[2] = { -1, -1 }; - -static int __init serial_bast_init(void) -{ - if (machine_is_bast()) { - port[0] = serial_bast_register(SERIAL_BASE + 0x2f8, IRQ_PCSERIAL1); - port[1] = serial_bast_register(SERIAL_BASE + 0x3f8, IRQ_PCSERIAL2); - } - - return 0; -} - -static void __exit serial_bast_exit(void) -{ - if (port[0] != -1) - unregister_serial(port[0]); - if (port[1] != -1) - unregister_serial(port[1]); -} - - -module_init(serial_bast_init); -module_exit(serial_bast_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Ben Dooks, ben@simtec.co.uk"); -MODULE_DESCRIPTION("BAST Onboard Serial setup"); - - -- 2.41.1