diff options
Diffstat (limited to 'kernel/arch/mn10300/unit-asb2303')
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/Makefile | 6 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/flash.c | 100 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/include/unit/clock.h | 24 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/include/unit/leds.h | 43 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/include/unit/serial.h | 141 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/include/unit/smc91111.h | 50 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/include/unit/timex.h | 146 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/leds.c | 52 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/smc91111.c | 53 | ||||
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2303/unit-init.c | 68 |
10 files changed, 683 insertions, 0 deletions
diff --git a/kernel/arch/mn10300/unit-asb2303/Makefile b/kernel/arch/mn10300/unit-asb2303/Makefile new file mode 100644 index 000000000..38a5bb43b --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/Makefile @@ -0,0 +1,6 @@ +############################################################################### +# +# Makefile for the ASB2303 board +# +############################################################################### +obj-y := unit-init.o smc91111.o flash.o leds.o diff --git a/kernel/arch/mn10300/unit-asb2303/flash.c b/kernel/arch/mn10300/unit-asb2303/flash.c new file mode 100644 index 000000000..17fe083fc --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/flash.c @@ -0,0 +1,100 @@ +/* Handle mapping of the flash on the ASB2303 board + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#define ASB2303_PROM_ADDR 0xA0000000 /* Boot PROM */ +#define ASB2303_PROM_SIZE (2 * 1024 * 1024) +#define ASB2303_FLASH_ADDR 0xA4000000 /* System Flash */ +#define ASB2303_FLASH_SIZE (32 * 1024 * 1024) +#define ASB2303_CONFIG_ADDR 0xA6000000 /* System Config EEPROM */ +#define ASB2303_CONFIG_SIZE (8 * 1024) + +/* + * default MTD partition table for both main flash devices, expected to be + * overridden by RedBoot + */ +static struct mtd_partition asb2303_partitions[] = { + { + .name = "Bootloader", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_CAP_ROM /* force read-only */ + }, { + .name = "Kernel", + .size = 0x00400000, + .offset = 0x00040000, + }, { + .name = "Filesystem", + .size = MTDPART_SIZ_FULL, + .offset = 0x00440000 + } +}; + +/* + * the ASB2303 Boot PROM definition + */ +static struct physmap_flash_data asb2303_bootprom_data = { + .width = 2, + .nr_parts = 1, + .parts = asb2303_partitions, +}; + +static struct resource asb2303_bootprom_resource = { + .start = ASB2303_PROM_ADDR, + .end = ASB2303_PROM_ADDR + ASB2303_PROM_SIZE, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device asb2303_bootprom = { + .name = "physmap-flash", + .id = 0, + .dev.platform_data = &asb2303_bootprom_data, + .num_resources = 1, + .resource = &asb2303_bootprom_resource, +}; + +/* + * the ASB2303 System Flash definition + */ +static struct physmap_flash_data asb2303_sysflash_data = { + .width = 4, + .nr_parts = 1, + .parts = asb2303_partitions, +}; + +static struct resource asb2303_sysflash_resource = { + .start = ASB2303_FLASH_ADDR, + .end = ASB2303_FLASH_ADDR + ASB2303_FLASH_SIZE, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device asb2303_sysflash = { + .name = "physmap-flash", + .id = 1, + .dev.platform_data = &asb2303_sysflash_data, + .num_resources = 1, + .resource = &asb2303_sysflash_resource, +}; + +/* + * register the ASB2303 flashes + */ +static int __init asb2303_mtd_init(void) +{ + platform_device_register(&asb2303_bootprom); + platform_device_register(&asb2303_sysflash); + return 0; +} + +module_init(asb2303_mtd_init); diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/clock.h b/kernel/arch/mn10300/unit-asb2303/include/unit/clock.h new file mode 100644 index 000000000..0316907a0 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/include/unit/clock.h @@ -0,0 +1,24 @@ +/* ASB2303-specific clocks + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_UNIT_CLOCK_H +#define _ASM_UNIT_CLOCK_H + +#ifndef __ASSEMBLY__ + +#define MN10300_IOCLK 33333333UL +/* #define MN10300_IOBCLK 66666666UL */ + +#endif /* !__ASSEMBLY__ */ + +#define MN10300_WDCLK MN10300_IOCLK + +#endif /* _ASM_UNIT_CLOCK_H */ diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h b/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h new file mode 100644 index 000000000..3a7543ea7 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h @@ -0,0 +1,43 @@ +/* ASB2303-specific LEDs + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_UNIT_LEDS_H +#define _ASM_UNIT_LEDS_H + +#include <asm/pio-regs.h> +#include <asm/cpu-regs.h> +#include <asm/exceptions.h> + +#define ASB2303_GPIO0DEF __SYSREG(0xDB000000, u32) +#define ASB2303_7SEGLEDS __SYSREG(0xDB000008, u32) + +/* + * use the 7-segment LEDs to indicate states + */ + +/* flip the 7-segment LEDs between "G" and "-" */ +#define mn10300_set_gdbleds(ONOFF) \ +do { \ + ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f; \ +} while (0) + +/* indicate double-fault by displaying "d" on the LEDs */ +#define mn10300_set_dbfleds \ + mov 0x43,d0 ; \ + movbu d0,(ASB2303_7SEGLEDS) + +#ifndef __ASSEMBLY__ +extern void peripheral_leds_display_exception(enum exception_code code); +extern void peripheral_leds_led_chase(void); +extern void debug_to_serial(const char *p, int n); +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_UNIT_LEDS_H */ diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/serial.h b/kernel/arch/mn10300/unit-asb2303/include/unit/serial.h new file mode 100644 index 000000000..991e356ba --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/include/unit/serial.h @@ -0,0 +1,141 @@ +/* ASB2303-specific 8250 serial ports + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_UNIT_SERIAL_H +#define _ASM_UNIT_SERIAL_H + +#include <asm/cpu-regs.h> +#include <proc/irq.h> +#include <linux/serial_reg.h> + +#define SERIAL_PORT0_BASE_ADDRESS 0xA6FB0000 +#define SERIAL_PORT1_BASE_ADDRESS 0xA6FC0000 + +#define SERIAL_IRQ XIRQ0 /* Dual serial (PC16552) (Hi) */ + +/* + * The ASB2303 has an 18.432 MHz clock the UART + */ +#define BASE_BAUD (18432000 / 16) + +/* + * dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports + */ +#ifndef CONFIG_GDBSTUB_ON_TTYSx + +#define SERIAL_PORT_DFNS \ + { \ + .baud_base = BASE_BAUD, \ + .irq = SERIAL_IRQ, \ + .flags = STD_COM_FLAGS, \ + .iomem_base = (u8 *) SERIAL_PORT0_BASE_ADDRESS, \ + .iomem_reg_shift = 2, \ + .io_type = SERIAL_IO_MEM, \ + }, \ + { \ + .baud_base = BASE_BAUD, \ + .irq = SERIAL_IRQ, \ + .flags = STD_COM_FLAGS, \ + .iomem_base = (u8 *) SERIAL_PORT1_BASE_ADDRESS, \ + .iomem_reg_shift = 2, \ + .io_type = SERIAL_IO_MEM, \ + }, + +#ifndef __ASSEMBLY__ + +static inline void __debug_to_serial(const char *p, int n) +{ +} + +#endif /* !__ASSEMBLY__ */ + +#else /* CONFIG_GDBSTUB_ON_TTYSx */ + +#define SERIAL_PORT_DFNS /* both stolen by gdb-stub because they share an IRQ */ + +#if defined(CONFIG_GDBSTUB_ON_TTYS0) +#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 4, u8) +#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 4, u8) +#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 4, u8) +#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 4, u8) +#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 4, u8) +#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 4, u8) +#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 4, u8) +#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 4, u8) +#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8) +#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8) +#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8) +#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 4, u8) +#define GDBPORT_SERIAL_IRQ SERIAL_IRQ + +#elif defined(CONFIG_GDBSTUB_ON_TTYS1) +#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_RX * 4, u8) +#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_TX * 4, u8) +#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLL * 4, u8) +#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLM * 4, u8) +#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IER * 4, u8) +#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IIR * 4, u8) +#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_FCR * 4, u8) +#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LCR * 4, u8) +#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MCR * 4, u8) +#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LSR * 4, u8) +#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MSR * 4, u8) +#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_SCR * 4, u8) +#define GDBPORT_SERIAL_IRQ SERIAL_IRQ +#endif + +#ifndef __ASSEMBLY__ + +#define LSR_WAIT_FOR(STATE) \ +do { \ + while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE)) {} \ +} while (0) +#define FLOWCTL_WAIT_FOR(LINE) \ +do { \ + while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) {} \ +} while (0) +#define FLOWCTL_CLEAR(LINE) \ +do { \ + GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; \ +} while (0) +#define FLOWCTL_SET(LINE) \ +do { \ + GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; \ +} while (0) +#define FLOWCTL_QUERY(LINE) ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; }) + +static inline void __debug_to_serial(const char *p, int n) +{ + char ch; + + FLOWCTL_SET(DTR); + + for (; n > 0; n--) { + LSR_WAIT_FOR(THRE); + FLOWCTL_WAIT_FOR(CTS); + + ch = *p++; + if (ch == 0x0a) { + GDBPORT_SERIAL_TX = 0x0d; + LSR_WAIT_FOR(THRE); + FLOWCTL_WAIT_FOR(CTS); + } + GDBPORT_SERIAL_TX = ch; + } + + FLOWCTL_CLEAR(DTR); +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* CONFIG_GDBSTUB_ON_TTYSx */ + +#endif /* _ASM_UNIT_SERIAL_H */ diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/smc91111.h b/kernel/arch/mn10300/unit-asb2303/include/unit/smc91111.h new file mode 100644 index 000000000..dd456e9c5 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/include/unit/smc91111.h @@ -0,0 +1,50 @@ +/* Support for the SMC91C111 NIC on an ASB2303 + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _ASM_UNIT_SMC91111_H +#define _ASM_UNIT_SMC91111_H + +#include <asm/intctl-regs.h> + +#define SMC91111_BASE 0xAA000300UL +#define SMC91111_BASE_END 0xAA000400UL +#define SMC91111_IRQ XIRQ3 + +#define SMC_CAN_USE_8BIT 0 +#define SMC_CAN_USE_16BIT 1 +#define SMC_CAN_USE_32BIT 0 +#define SMC_NOWAIT 1 +#define SMC_IRQ_FLAGS (0) + +#if SMC_CAN_USE_8BIT +#define SMC_inb(a, r) inb((unsigned long) ((a) + (r))) +#define SMC_outb(v, a, r) outb(v, (unsigned long) ((a) + (r))) +#endif + +#if SMC_CAN_USE_16BIT +#define SMC_inw(a, r) inw((unsigned long) ((a) + (r))) +#define SMC_outw(v, a, r) outw(v, (unsigned long) ((a) + (r))) +#define SMC_insw(a, r, p, l) insw((unsigned long) ((a) + (r)), (p), (l)) +#define SMC_outsw(a, r, p, l) outsw((unsigned long) ((a) + (r)), (p), (l)) +#endif + +#if SMC_CAN_USE_32BIT +#define SMC_inl(a, r) inl((unsigned long) ((a) + (r))) +#define SMC_outl(v, a, r) outl(v, (unsigned long) ((a) + (r))) +#define SMC_insl(a, r, p, l) insl((unsigned long) ((a) + (r)), (p), (l)) +#define SMC_outsl(a, r, p, l) outsl((unsigned long) ((a) + (r)), (p), (l)) +#endif + +#define RPC_LSA_DEFAULT RPC_LED_100_10 +#define RPC_LSB_DEFAULT RPC_LED_TX_RX + +#define set_irq_type(irq, type) + +#endif /* _ASM_UNIT_SMC91111_H */ diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/timex.h b/kernel/arch/mn10300/unit-asb2303/include/unit/timex.h new file mode 100644 index 000000000..c37f9832c --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/include/unit/timex.h @@ -0,0 +1,146 @@ +/* ASB2303-specific timer specifications + * + * Copyright (C) 2007, 2010 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _ASM_UNIT_TIMEX_H +#define _ASM_UNIT_TIMEX_H + +#include <asm/timer-regs.h> +#include <unit/clock.h> +#include <asm/param.h> + +/* + * jiffies counter specifications + */ + +#define TMJCBR_MAX 0xffff +#define TMJCIRQ TM1IRQ +#define TMJCICR TM1ICR + +#ifndef __ASSEMBLY__ + +#define MN10300_SRC_IOCLK MN10300_IOCLK + +#ifndef HZ +# error HZ undeclared. +#endif /* !HZ */ +/* use as little prescaling as possible to avoid losing accuracy */ +#if (MN10300_SRC_IOCLK + HZ / 2) / HZ - 1 <= TMJCBR_MAX +# define IOCLK_PRESCALE 1 +# define JC_TIMER_CLKSRC TM0MD_SRC_IOCLK +# define TSC_TIMER_CLKSRC TM4MD_SRC_IOCLK +#elif (MN10300_SRC_IOCLK / 8 + HZ / 2) / HZ - 1 <= TMJCBR_MAX +# define IOCLK_PRESCALE 8 +# define JC_TIMER_CLKSRC TM0MD_SRC_IOCLK_8 +# define TSC_TIMER_CLKSRC TM4MD_SRC_IOCLK_8 +#elif (MN10300_SRC_IOCLK / 32 + HZ / 2) / HZ - 1 <= TMJCBR_MAX +# define IOCLK_PRESCALE 32 +# define JC_TIMER_CLKSRC TM0MD_SRC_IOCLK_32 +# define TSC_TIMER_CLKSRC TM4MD_SRC_IOCLK_32 +#else +# error You lose. +#endif + +#define MN10300_JCCLK (MN10300_SRC_IOCLK / IOCLK_PRESCALE) +#define MN10300_TSCCLK (MN10300_SRC_IOCLK / IOCLK_PRESCALE) + +#define MN10300_JC_PER_HZ ((MN10300_JCCLK + HZ / 2) / HZ) +#define MN10300_TSC_PER_HZ ((MN10300_TSCCLK + HZ / 2) / HZ) + +static inline void stop_jiffies_counter(void) +{ + u16 tmp; + TM01MD = JC_TIMER_CLKSRC | TM1MD_SRC_TM0CASCADE << 8; + tmp = TM01MD; +} + +static inline void reload_jiffies_counter(u32 cnt) +{ + u32 tmp; + + TM01BR = cnt; + tmp = TM01BR; + + TM01MD = JC_TIMER_CLKSRC | \ + TM1MD_SRC_TM0CASCADE << 8 | \ + TM0MD_INIT_COUNTER | \ + TM1MD_INIT_COUNTER << 8; + + + TM01MD = JC_TIMER_CLKSRC | \ + TM1MD_SRC_TM0CASCADE << 8 | \ + TM0MD_COUNT_ENABLE | \ + TM1MD_COUNT_ENABLE << 8; + + tmp = TM01MD; +} + +#endif /* !__ASSEMBLY__ */ + + +/* + * timestamp counter specifications + */ + +#define TMTSCBR_MAX 0xffffffff +#define TMTSCBC TM45BC + +#ifndef __ASSEMBLY__ + +static inline void startup_timestamp_counter(void) +{ + u32 t32; + + /* set up timer 4 & 5 cascaded as a 32-bit counter to count real time + * - count down from 4Gig-1 to 0 and wrap at IOCLK rate + */ + TM45BR = TMTSCBR_MAX; + t32 = TM45BR; + + TM4MD = TSC_TIMER_CLKSRC; + TM4MD |= TM4MD_INIT_COUNTER; + TM4MD &= ~TM4MD_INIT_COUNTER; + TM4ICR = 0; + t32 = TM4ICR; + + TM5MD = TM5MD_SRC_TM4CASCADE; + TM5MD |= TM5MD_INIT_COUNTER; + TM5MD &= ~TM5MD_INIT_COUNTER; + TM5ICR = 0; + t32 = TM5ICR; + + TM5MD |= TM5MD_COUNT_ENABLE; + TM4MD |= TM4MD_COUNT_ENABLE; + t32 = TM5MD; + t32 = TM4MD; +} + +static inline void shutdown_timestamp_counter(void) +{ + u8 t8; + TM4MD = 0; + TM5MD = 0; + t8 = TM4MD; + t8 = TM5MD; +} + +/* + * we use a cascaded pair of 16-bit down-counting timers to count I/O + * clock cycles for the purposes of time keeping + */ +typedef unsigned long cycles_t; + +static inline cycles_t read_timestamp_counter(void) +{ + return (cycles_t)~TMTSCBC; +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_UNIT_TIMEX_H */ diff --git a/kernel/arch/mn10300/unit-asb2303/leds.c b/kernel/arch/mn10300/unit-asb2303/leds.c new file mode 100644 index 000000000..c03839357 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/leds.c @@ -0,0 +1,52 @@ +/* ASB2303 peripheral 7-segment LEDs x1 support + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> + +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/intctl-regs.h> +#include <asm/rtc-regs.h> +#include <unit/leds.h> + +#if 0 +static const u8 asb2303_led_hex_tbl[16] = { + 0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0, + 0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c +}; +#endif + +static const u8 asb2303_led_chase_tbl[6] = { + ~0x02, /* top - segA */ + ~0x04, /* right top - segB */ + ~0x08, /* right bottom - segC */ + ~0x10, /* bottom - segD */ + ~0x20, /* left bottom - segE */ + ~0x40, /* left top - segF */ +}; + +static unsigned asb2303_led_chase; + +void peripheral_leds_display_exception(enum exception_code code) +{ + ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ + ASB2303_7SEGLEDS = 0x6d; /* triple horizontal bar */ +} + +void peripheral_leds_led_chase(void) +{ + ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ + ASB2303_7SEGLEDS = asb2303_led_chase_tbl[asb2303_led_chase]; + asb2303_led_chase++; + if (asb2303_led_chase >= 6) + asb2303_led_chase = 0; +} diff --git a/kernel/arch/mn10300/unit-asb2303/smc91111.c b/kernel/arch/mn10300/unit-asb2303/smc91111.c new file mode 100644 index 000000000..53677694b --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/smc91111.c @@ -0,0 +1,53 @@ +/* ASB2303 initialisation + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/timex.h> +#include <asm/processor.h> +#include <asm/intctl-regs.h> +#include <unit/smc91111.h> + +static struct resource smc91c111_resources[] = { + [0] = { + .start = SMC91111_BASE, + .end = SMC91111_BASE_END, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = SMC91111_IRQ, + .end = SMC91111_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91c111_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91c111_resources), + .resource = smc91c111_resources, +}; + +/* + * add platform devices + */ +static int __init unit_device_init(void) +{ + platform_device_register(&smc91c111_device); + return 0; +} + +device_initcall(unit_device_init); diff --git a/kernel/arch/mn10300/unit-asb2303/unit-init.c b/kernel/arch/mn10300/unit-asb2303/unit-init.c new file mode 100644 index 000000000..834a76aa5 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2303/unit-init.c @@ -0,0 +1,68 @@ +/* ASB2303 initialisation + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/device.h> + +#include <asm/io.h> +#include <asm/setup.h> +#include <asm/processor.h> +#include <asm/irq.h> +#include <asm/intctl-regs.h> + +/* + * initialise some of the unit hardware before gdbstub is set up + */ +asmlinkage void __init unit_init(void) +{ + /* set up the external interrupts */ + SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL); + SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); + SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL); + SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL); + SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL); + +#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL + set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); +#endif + +#ifdef CONFIG_ETHERNET_IRQ_LEVEL + set_intr_level(XIRQ3, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL)); +#endif +} + +/* + * initialise the rest of the unit hardware after gdbstub is ready + */ +void __init unit_setup(void) +{ +} + +/* + * initialise the external interrupts used by a unit of this type + */ +void __init unit_init_IRQ(void) +{ + unsigned int extnum; + + for (extnum = 0; extnum < NR_XIRQS; extnum++) { + switch (GET_XIRQ_TRIGGER(extnum)) { + case XIRQ_TRIGGER_HILEVEL: + case XIRQ_TRIGGER_LOWLEVEL: + mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); + break; + default: + break; + } + } +} |