diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/ddb5xxx/ddb5477/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/ddb5xxx/ddb5477/ddb5477-platform.c | 49 | ||||
| -rw-r--r-- | arch/mips/gt64120/momenco_ocelot/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/gt64120/momenco_ocelot/ocelot-platform.c | 46 | ||||
| -rw-r--r-- | arch/mips/jazz/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/jazz/jazz-platform.c | 60 | ||||
| -rw-r--r-- | arch/mips/kernel/8250-platform.c | 47 | ||||
| -rw-r--r-- | arch/mips/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/mips-boards/malta/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/mips-boards/malta/malta_platform.c | 65 | ||||
| -rw-r--r-- | arch/mips/momentum/ocelot_3/platform.c | 44 | ||||
| -rw-r--r-- | arch/mips/sgi-ip32/ip32-platform.c | 52 | ||||
| -rw-r--r-- | arch/mips/sgi-ip32/ip32-setup.c | 36 |
14 files changed, 371 insertions, 41 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cba171a5eb03..624c31cd8077 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -155,7 +155,6 @@ config MIPS_MALTA bool "MIPS Malta board" select ARCH_MAY_HAVE_PC_FDC select BOOT_ELF32 - select HAVE_STD_PC_SERIAL_PORT select DMA_NONCOHERENT select GENERIC_ISA_DMA select IRQ_CPU diff --git a/arch/mips/ddb5xxx/ddb5477/Makefile b/arch/mips/ddb5xxx/ddb5477/Makefile index 23fd3b81fe1a..4864b8a659c7 100644 --- a/arch/mips/ddb5xxx/ddb5477/Makefile +++ b/arch/mips/ddb5xxx/ddb5477/Makefile @@ -2,7 +2,8 @@ # Makefile for NEC DDB-Vrc5477 board # -obj-y += irq.o irq_5477.o setup.o lcd44780.o +obj-y += ddb5477-platform.o irq.o irq_5477.o setup.o \ + lcd44780.o obj-$(CONFIG_RUNTIME_DEBUG) += debug.o obj-$(CONFIG_KGDB) += kgdb_io.o diff --git a/arch/mips/ddb5xxx/ddb5477/ddb5477-platform.c b/arch/mips/ddb5xxx/ddb5477/ddb5477-platform.c new file mode 100644 index 000000000000..c16020ad54c2 --- /dev/null +++ b/arch/mips/ddb5xxx/ddb5477/ddb5477-platform.c @@ -0,0 +1,49 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/serial_8250.h> + +#include <asm/ddb5xxx/ddb5477.h> + +#define DDB_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) + +#define DDB5477_PORT(base, int) \ +{ \ + .mapbase = base, \ + .irq = int, \ + .uartclk = 1843200, \ + .iotype = UPIO_MEM, \ + .flags = DDB_UART_FLAGS, \ + .regshift = 3, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + DDB5477_PORT(0xbfa04200, VRC5477_IRQ_UART0), + DDB5477_PORT(0xbfa04240, VRC5477_IRQ_UART1), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the NEC DDB5477"); diff --git a/arch/mips/gt64120/momenco_ocelot/Makefile b/arch/mips/gt64120/momenco_ocelot/Makefile index 9f9a33fc76b9..1df5fe23c642 100644 --- a/arch/mips/gt64120/momenco_ocelot/Makefile +++ b/arch/mips/gt64120/momenco_ocelot/Makefile @@ -2,6 +2,6 @@ # Makefile for Momentum's Ocelot board. # -obj-y += irq.o prom.o reset.o setup.o +obj-y += irq.o ocelot-platform.o prom.o reset.o setup.o obj-$(CONFIG_KGDB) += dbg_io.o diff --git a/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c b/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c new file mode 100644 index 000000000000..81d9031a5a2a --- /dev/null +++ b/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c @@ -0,0 +1,46 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + * + * A NS16552 DUART with a 20MHz crystal. + * + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/serial_8250.h> + +#define OCELOT_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) + +static struct plat_serial8250_port uart8250_data[] = { + { + .mapbase = 0xe0001020, + .irq = 4, + .uartclk = 20000000, + .iotype = UPIO_MEM, + .flags = OCELOT_UART_FLAGS, + .regshift = 2, + }, + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the Momenco Ocelot"); diff --git a/arch/mips/jazz/Makefile b/arch/mips/jazz/Makefile index dd9d99bfcf7a..ae4c402b5004 100644 --- a/arch/mips/jazz/Makefile +++ b/arch/mips/jazz/Makefile @@ -2,4 +2,4 @@ # Makefile for the Jazz family specific parts of the kernel # -obj-y := irq.o jazzdma.o reset.o setup.o +obj-y := irq.o jazzdma.o jazz-platform.o reset.o setup.o diff --git a/arch/mips/jazz/jazz-platform.c b/arch/mips/jazz/jazz-platform.c new file mode 100644 index 000000000000..fd736703eef2 --- /dev/null +++ b/arch/mips/jazz/jazz-platform.c @@ -0,0 +1,60 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/serial_8250.h> + +#include <asm/jazz.h> + +/* + * Confusion ... It seems the original Microsoft Jazz machine used to have a + * 4.096MHz clock for its UART while the MIPS Magnum and Millenium systems + * had 8MHz. The Olivetti M700-10 and the Acer PICA have 1.8432MHz like PCs. + */ +#ifdef CONFIG_OLIVETTI_M700 +#define JAZZ_BASE_BAUD 1843200 +#else +#define JAZZ_BASE_BAUD 8000000 /* 3072000 */ +#endif + +#define JAZZ_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) + +#define JAZZ_PORT(base, int) \ +{ \ + .mapbase = base, \ + .irq = int, \ + .uartclk = JAZZ_BASE_BAUD, \ + .iotype = UPIO_MEM, \ + .flags = JAZZ_UART_FLAGS, \ + .regshift = 0, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + JAZZ_PORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), + JAZZ_PORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the Jazz family"); diff --git a/arch/mips/kernel/8250-platform.c b/arch/mips/kernel/8250-platform.c new file mode 100644 index 000000000000..cbf3fe20ad17 --- /dev/null +++ b/arch/mips/kernel/8250-platform.c @@ -0,0 +1,47 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/serial_8250.h> + +#define PORT(base, int) \ +{ \ + .iobase = base, \ + .irq = int, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ + .regshift = 0, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + PORT(0x3F8, 4), + PORT(0x2F8, 3), + PORT(0x3E8, 4), + PORT(0x2E8, 3), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic 8250 UART probe driver"); diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 49246264cc7c..bb25dd8ce437 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -68,3 +68,5 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) + +obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o diff --git a/arch/mips/mips-boards/malta/Makefile b/arch/mips/mips-boards/malta/Makefile index 377d9e8f250a..a242b0fc377d 100644 --- a/arch/mips/mips-boards/malta/Makefile +++ b/arch/mips/mips-boards/malta/Makefile @@ -19,6 +19,7 @@ # under Linux. # -obj-y := malta_int.o malta_setup.o +obj-y := malta_int.o malta_platform.o malta_setup.o + obj-$(CONFIG_MTD) += malta_mtd.o obj-$(CONFIG_MIPS_MT_SMTC) += malta_smtc.o diff --git a/arch/mips/mips-boards/malta/malta_platform.c b/arch/mips/mips-boards/malta/malta_platform.c new file mode 100644 index 000000000000..83b9bab3cd3f --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_platform.c @@ -0,0 +1,65 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle (ralf@linux-mips.org) + * + * Probe driver for the Malta's UART ports: + * + * o 2 ports in the SMC SuperIO + * o 1 port in the CBUS UART, a discrete 16550 which normally is only used + * for bringups. + * + * We don't use 8250_platform.c on Malta as it would result in the CBUS + * UART becoming ttyS0. + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/serial_8250.h> + +#define SMC_PORT(base, int) \ +{ \ + .iobase = base, \ + .irq = int, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ + .regshift = 0, \ +} + +#define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) + +static struct plat_serial8250_port uart8250_data[] = { + SMC_PORT(0x3F8, 4), + SMC_PORT(0x2F8, 3), + { + .mapbase = 0x1f000900, /* The CBUS UART */ + .irq = MIPS_CPU_IRQ_BASE + 2, + .uartclk = 3686400, /* Twice the usual clk! */ + .iotype = UPIO_MEM32, + .flags = CBUS_UART_FLAGS, + .regshift = 3, + }, + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM2, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the Malta CBUS UART"); diff --git a/arch/mips/momentum/ocelot_3/platform.c b/arch/mips/momentum/ocelot_3/platform.c index 44e4c3fc7403..cb63c82ef650 100644 --- a/arch/mips/momentum/ocelot_3/platform.c +++ b/arch/mips/momentum/ocelot_3/platform.c @@ -1,8 +1,19 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006, 07 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2007 Dale Farnsworth (dale@farnsworth.org) + */ #include <linux/delay.h> #include <linux/if_ether.h> +#include <linux/init.h> #include <linux/ioport.h> +#include <linux/module.h> #include <linux/mv643xx.h> #include <linux/platform_device.h> +#include <linux/serial_8250.h> #include "ocelot_3_fpga.h" @@ -206,3 +217,36 @@ static int __init mv643xx_eth_add_pds(void) device_initcall(mv643xx_eth_add_pds); #endif /* defined(CONFIG_MV643XX_ETH) || defined(CONFIG_MV643XX_ETH_MODULE) */ + +#define OCELOT3_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) + +static struct plat_serial8250_port uart8250_data[] = { + { + .membase = (signed long) 0xfd000020, + .irq = 6, + .uartclk = 20000000, + .iotype = UPIO_MEM, + .flags = OCELOT3_UART_FLAGS, + .regshift = 2, + }, + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the Ocelot 3"); diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c index 120b15932caf..ba3697ee7ff6 100644 --- a/arch/mips/sgi-ip32/ip32-platform.c +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -1,5 +1,53 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/serial_8250.h> + +#include <asm/ip32/mace.h> +#include <asm/ip32/ip32_ints.h> + +/* + * .iobase isn't a constant (in the sense of C) so we fill it in at runtime. + */ +#define MACE_PORT(int) \ +{ \ + .irq = int, \ + .uartclk = 1843200, \ + .iotype = UPIO_MEM, \ + .flags = UPF_SKIP_TEST, \ + .regshift = 8, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + MACE_PORT(MACEISA_SERIAL1_IRQ), + MACE_PORT(MACEISA_SERIAL2_IRQ), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + uart8250_data[0].iobase = (unsigned long) &mace->isa.serial1; + uart8250_data[1].iobase = (unsigned long) &mace->isa.serial1; + + return platform_device_register(&uart8250_device); +} + +device_initcall(uart8250_init); static __init int meth_devinit(void) { @@ -18,3 +66,7 @@ static __init int meth_devinit(void) } device_initcall(meth_devinit); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2"); diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index 57708fe28bd7..bbba066cb405 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -62,12 +62,6 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) } #endif -#ifdef CONFIG_SERIAL_8250 -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#endif /* CONFIG_SERIAL_8250 */ - /* An arbitrary time; this can be decreased if reliability looks good */ #define WAIT_MS 10 @@ -96,36 +90,6 @@ void __init plat_mem_setup(void) board_time_init = ip32_time_init; -#ifdef CONFIG_SERIAL_8250 - { - static struct uart_port o2_serial[2]; - - memset(o2_serial, 0, sizeof(o2_serial)); - o2_serial[0].type = PORT_16550A; - o2_serial[0].line = 0; - o2_serial[0].irq = MACEISA_SERIAL1_IRQ; - o2_serial[0].flags = UPF_SKIP_TEST; - o2_serial[0].uartclk = 1843200; - o2_serial[0].iotype = UPIO_MEM; - o2_serial[0].membase = (char *)&mace->isa.serial1; - o2_serial[0].fifosize = 14; - /* How much to shift register offset by. Each UART register - * is replicated over 256 byte space */ - o2_serial[0].regshift = 8; - o2_serial[1].type = PORT_16550A; - o2_serial[1].line = 1; - o2_serial[1].irq = MACEISA_SERIAL2_IRQ; - o2_serial[1].flags = UPF_SKIP_TEST; - o2_serial[1].uartclk = 1843200; - o2_serial[1].iotype = UPIO_MEM; - o2_serial[1].membase = (char *)&mace->isa.serial2; - o2_serial[1].fifosize = 14; - o2_serial[1].regshift = 8; - - early_serial_setup(&o2_serial[0]); - early_serial_setup(&o2_serial[1]); - } -#endif #ifdef CONFIG_SGI_O2MACE_ETH { char *mac = ArcGetEnvironmentVariable("eaddr"); |