diff options
Diffstat (limited to 'arch/mn10300/unit-asb2364/include')
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/clock.h | 29 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/fpga-regs.h | 53 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/irq.h | 35 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/leds.h | 54 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/serial.h | 151 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/smsc911x.h | 171 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2364/include/unit/timex.h | 155 |
7 files changed, 0 insertions, 648 deletions
diff --git a/arch/mn10300/unit-asb2364/include/unit/clock.h b/arch/mn10300/unit-asb2364/include/unit/clock.h deleted file mode 100644 index d34ac9a7508b..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/clock.h +++ /dev/null @@ -1,29 +0,0 @@ -/* clock.h: unit-specific clocks - * - * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * Modified by Matsushita Electric Industrial Co., Ltd. - * Modifications: - * 23-Feb-2007 MEI Add define for watchdog timer. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _ASM_UNIT_CLOCK_H -#define _ASM_UNIT_CLOCK_H - -#ifndef __ASSEMBLY__ - -#define MN10300_IOCLK 100000000UL /* for DDR800 */ -/*#define MN10300_IOCLK 83333333UL */ /* for DDR667 */ -#define MN10300_IOBCLK MN10300_IOCLK /* IOBCLK is equal to IOCLK */ - -#endif /* !__ASSEMBLY__ */ - -#define MN10300_WDCLK 27000000UL - -#endif /* _ASM_UNIT_CLOCK_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h deleted file mode 100644 index 2901ed344b3d..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h +++ /dev/null @@ -1,53 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* ASB2364 FPGA registers - */ - -#ifndef _ASM_UNIT_FPGA_REGS_H -#define _ASM_UNIT_FPGA_REGS_H - -#include <asm/cpu-regs.h> - -#ifdef __KERNEL__ - -#define ASB2364_FPGA_REG_RESET_LAN __SYSREG(0xa9001300, u16) -#define ASB2364_FPGA_REG_RESET_UART __SYSREG(0xa9001304, u16) -#define ASB2364_FPGA_REG_RESET_I2C __SYSREG(0xa9001308, u16) -#define ASB2364_FPGA_REG_RESET_USB __SYSREG(0xa900130c, u16) -#define ASB2364_FPGA_REG_RESET_AV __SYSREG(0xa9001310, u16) - -#define ASB2364_FPGA_REG_IRQ(X) __SYSREG(0xa9001510+((X)*4), u16) -#define ASB2364_FPGA_REG_IRQ_LAN ASB2364_FPGA_REG_IRQ(0) -#define ASB2364_FPGA_REG_IRQ_UART ASB2364_FPGA_REG_IRQ(1) -#define ASB2364_FPGA_REG_IRQ_I2C ASB2364_FPGA_REG_IRQ(2) -#define ASB2364_FPGA_REG_IRQ_USB ASB2364_FPGA_REG_IRQ(3) -#define ASB2364_FPGA_REG_IRQ_FPGA ASB2364_FPGA_REG_IRQ(5) - -#define ASB2364_FPGA_REG_MASK(X) __SYSREG(0xa9001590+((X)*4), u16) -#define ASB2364_FPGA_REG_MASK_LAN ASB2364_FPGA_REG_MASK(0) -#define ASB2364_FPGA_REG_MASK_UART ASB2364_FPGA_REG_MASK(1) -#define ASB2364_FPGA_REG_MASK_I2C ASB2364_FPGA_REG_MASK(2) -#define ASB2364_FPGA_REG_MASK_USB ASB2364_FPGA_REG_MASK(3) -#define ASB2364_FPGA_REG_MASK_FPGA ASB2364_FPGA_REG_MASK(5) - -#define ASB2364_FPGA_REG_CPLD5_SET1 __SYSREG(0xa9002500, u16) -#define ASB2364_FPGA_REG_CPLD5_SET2 __SYSREG(0xa9002504, u16) -#define ASB2364_FPGA_REG_CPLD6_SET1 __SYSREG(0xa9002600, u16) -#define ASB2364_FPGA_REG_CPLD6_SET2 __SYSREG(0xa9002604, u16) -#define ASB2364_FPGA_REG_CPLD7_SET1 __SYSREG(0xa9002700, u16) -#define ASB2364_FPGA_REG_CPLD7_SET2 __SYSREG(0xa9002704, u16) -#define ASB2364_FPGA_REG_CPLD8_SET1 __SYSREG(0xa9002800, u16) -#define ASB2364_FPGA_REG_CPLD8_SET2 __SYSREG(0xa9002804, u16) -#define ASB2364_FPGA_REG_CPLD9_SET1 __SYSREG(0xa9002900, u16) -#define ASB2364_FPGA_REG_CPLD9_SET2 __SYSREG(0xa9002904, u16) -#define ASB2364_FPGA_REG_CPLD10_SET1 __SYSREG(0xa9002a00, u16) -#define ASB2364_FPGA_REG_CPLD10_SET2 __SYSREG(0xa9002a04, u16) - -#define SyncExBus() \ - do { \ - unsigned short w; \ - w = *(volatile short *)0xa9000000; \ - } while (0) - -#endif /* __KERNEL__ */ - -#endif /* _ASM_UNIT_FPGA_REGS_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/irq.h b/arch/mn10300/unit-asb2364/include/unit/irq.h deleted file mode 100644 index 786148e46565..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/irq.h +++ /dev/null @@ -1,35 +0,0 @@ -/* ASB2364 FPGA irq numbers - * - * Copyright (C) 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 _UNIT_IRQ_H -#define _UNIT_IRQ_H - -#ifndef __ASSEMBLY__ - -#ifdef CONFIG_SMP -#define NR_CPU_IRQS GxICR_NUM_EXT_IRQS -#else -#define NR_CPU_IRQS GxICR_NUM_IRQS -#endif - -enum { - FPGA_LAN_IRQ = NR_CPU_IRQS, - FPGA_UART_IRQ, - FPGA_I2C_IRQ, - FPGA_USB_IRQ, - FPGA_RESERVED_IRQ, - FPGA_FPGA_IRQ, - NR_IRQS -}; - -extern void __init irq_fpga_init(void); - -#endif /* !__ASSEMBLY__ */ -#endif /* _UNIT_IRQ_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/leds.h b/arch/mn10300/unit-asb2364/include/unit/leds.h deleted file mode 100644 index 03a3933ad323..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/leds.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Unit-specific leds - * - * Copyright (C) 2005 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 License - * as published by the Free Software Foundation; either version - * 2 of the License, 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 MN10300_USE_7SEGLEDS 0 - -#define ASB2364_7SEGLEDS __SYSREG(0xA9001630, u32) - -/* - * use the 7-segment LEDs to indicate states - */ - -#if MN10300_USE_7SEGLEDS -/* flip the 7-segment LEDs between "Gdb-" and "----" */ -#define mn10300_set_gdbleds(ONOFF) \ - do { \ - ASB2364_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \ - } while (0) -#else -#define mn10300_set_gdbleds(ONOFF) do {} while (0) -#endif - -#if MN10300_USE_7SEGLEDS -/* indicate double-fault by displaying "db-f" on the LEDs */ -#define mn10300_set_dbfleds \ - mov 0x43077f1d,d0 ; \ - mov d0,(ASB2364_7SEGLEDS) -#else -#define mn10300_set_dbfleds -#endif - -#ifndef __ASSEMBLY__ -extern void peripheral_leds_display_exception(enum exception_code); -extern void peripheral_leds_led_chase(void); -extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); -extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); -extern void debug_to_serial(const char *, int); -#endif /* __ASSEMBLY__ */ - -#endif /* _ASM_UNIT_LEDS_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/serial.h b/arch/mn10300/unit-asb2364/include/unit/serial.h deleted file mode 100644 index 92f224a97efc..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/serial.h +++ /dev/null @@ -1,151 +0,0 @@ -/* Unit-specific 8250 serial ports - * - * Copyright (C) 2005 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 License - * as published by the Free Software Foundation; either version - * 2 of the License, 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 <unit/fpga-regs.h> -#include <linux/serial_reg.h> - -#define SERIAL_PORT0_BASE_ADDRESS 0xA8200000 - -#define SERIAL_IRQ XIRQ1 /* single serial (TL16C550C) (Lo) */ - -/* - * The ASB2364 has an 12.288 MHz clock - * for your UART. - * - * It'd be nice if someone built a serial card with a 24.576 MHz - * clock, since the 16550A is capable of handling a top speed of 1.5 - * megabits/second; but this requires the faster clock. - */ -#define BASE_BAUD (12288000 / 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 = 1, \ - .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 /* stolen by gdb-stub */ - -#if defined(CONFIG_GDBSTUB_ON_TTYS0) -#define GDBPORT_SERIAL_RX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX * 2, u8) -#define GDBPORT_SERIAL_TX __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX * 2, u8) -#define GDBPORT_SERIAL_DLL __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 2, u8) -#define GDBPORT_SERIAL_DLM __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 2, u8) -#define GDBPORT_SERIAL_IER __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8) -#define GDBPORT_SERIAL_IIR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 2, u8) -#define GDBPORT_SERIAL_FCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 2, u8) -#define GDBPORT_SERIAL_LCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 2, u8) -#define GDBPORT_SERIAL_MCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 2, u8) -#define GDBPORT_SERIAL_LSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 2, u8) -#define GDBPORT_SERIAL_MSR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 2, u8) -#define GDBPORT_SERIAL_SCR __SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 2, u8) -#define GDBPORT_SERIAL_IRQ SERIAL_IRQ - -#elif defined(CONFIG_GDBSTUB_ON_TTYS1) -#error The ASB2364 does not have a /dev/ttyS1 -#endif - -#ifndef __ASSEMBLY__ - -static inline void __debug_to_serial(const char *p, int n) -{ - char ch; - -#define LSR_WAIT_FOR(STATE) \ - do {} while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE)) -#define FLOWCTL_QUERY(LINE) \ - ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; }) -#define FLOWCTL_WAIT_FOR(LINE) \ - do {} while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) -#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) - - 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 */ - -#define SERIAL_INITIALIZE \ -do { \ - /* release reset */ \ - ASB2364_FPGA_REG_RESET_UART = 0x0001; \ - SyncExBus(); \ -} while (0) - -#define SERIAL_CHECK_INTERRUPT \ -do { \ - if ((ASB2364_FPGA_REG_IRQ_UART & 0x0001) == 0x0001) { \ - return IRQ_NONE; \ - } \ -} while (0) - -#define SERIAL_CLEAR_INTERRUPT \ -do { \ - ASB2364_FPGA_REG_IRQ_UART = 0x0001; \ - SyncExBus(); \ -} while (0) - -#define SERIAL_SET_INT_MASK \ -do { \ - ASB2364_FPGA_REG_MASK_UART = 0x0001; \ - SyncExBus(); \ -} while (0) - -#define SERIAL_CLEAR_INT_MASK \ -do { \ - ASB2364_FPGA_REG_MASK_UART = 0x0000; \ - SyncExBus(); \ -} while (0) - -#endif /* _ASM_UNIT_SERIAL_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h b/arch/mn10300/unit-asb2364/include/unit/smsc911x.h deleted file mode 100644 index 4c1ede535fa9..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h +++ /dev/null @@ -1,171 +0,0 @@ -/* Support for the SMSC911x NIC - * - * Copyright (C) 2006 Matsushita Electric Industrial Co., Ltd. - * 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 - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef _ASM_UNIT_SMSC911X_H -#define _ASM_UNIT_SMSC911X_H - -#include <linux/netdevice.h> -#include <proc/irq.h> -#include <unit/fpga-regs.h> - -#define MN10300_USE_EXT_EEPROM - - -#define SMSC911X_BASE 0xA8000000UL -#define SMSC911X_BASE_END 0xA8000100UL -#define SMSC911X_IRQ FPGA_LAN_IRQ - -/* - * Allow the FPGA to be initialised by the SMSC911x driver - */ -#undef SMSC_INITIALIZE -#define SMSC_INITIALIZE() \ -do { \ - /* release reset */ \ - ASB2364_FPGA_REG_RESET_LAN = 0x0001; \ - SyncExBus(); \ -} while (0) - -#ifdef MN10300_USE_EXT_EEPROM -#include <linux/delay.h> -#include <unit/clock.h> - -#define EEPROM_ADDRESS 0xA0 -#define MAC_OFFSET 0x0008 -#define USE_IIC_CH 0 /* 0 or 1 */ -#define IIC_OFFSET (0x80000 * USE_IIC_CH) -#define IIC_DTRM __SYSREG(0xd8400000 + IIC_OFFSET, u32) -#define IIC_DREC __SYSREG(0xd8400004 + IIC_OFFSET, u32) -#define IIC_MYADD __SYSREG(0xd8400008 + IIC_OFFSET, u32) -#define IIC_CLK __SYSREG(0xd840000c + IIC_OFFSET, u32) -#define IIC_BRST __SYSREG(0xd8400010 + IIC_OFFSET, u32) -#define IIC_HOLD __SYSREG(0xd8400014 + IIC_OFFSET, u32) -#define IIC_BSTS __SYSREG(0xd8400018 + IIC_OFFSET, u32) -#define IIC_ICR __SYSREG(0xd4000080 + 4 * USE_IIC_CH, u16) - -#define IIC_CLK_PLS ((unsigned short)(MN10300_IOCLK / 100000 - 1)) -#define IIC_CLK_LOW ((unsigned short)(IIC_CLK_PLS / 2)) - -#define SYS_IIC_DTRM_Bit_STA ((unsigned short)0x0400) -#define SYS_IIC_DTRM_Bit_STO ((unsigned short)0x0200) -#define SYS_IIC_DTRM_Bit_ACK ((unsigned short)0x0100) -#define SYS_IIC_DTRM_Bit_DATA ((unsigned short)0x00FF) - -static inline void POLL_INT_REQ(volatile u16 *icr) -{ - unsigned long flags; - u16 tmp; - - while (!(*icr & GxICR_REQUEST)) - ; - flags = arch_local_cli_save(); - tmp = *icr; - *icr = (tmp & GxICR_LEVEL) | GxICR_DETECT; - tmp = *icr; - arch_local_irq_restore(flags); -} - -/* - * Implement the SMSC911x hook for MAC address retrieval - */ -#undef smsc_get_mac -static inline int smsc_get_mac(struct net_device *dev) -{ - unsigned char *mac_buf = dev->dev_addr; - int i; - unsigned short value; - unsigned int data; - int mac_length = 6; - int check; - u16 orig_gicr, tmp; - unsigned long flags; - - /* save original GnICR and clear GnICR.IE */ - flags = arch_local_cli_save(); - orig_gicr = IIC_ICR; - IIC_ICR = orig_gicr & GxICR_LEVEL; - tmp = IIC_ICR; - arch_local_irq_restore(flags); - - IIC_MYADD = 0x00000008; - IIC_CLK = (IIC_CLK_LOW << 16) + (IIC_CLK_PLS); - /* bus hung recovery */ - - while (1) { - check = 0; - for (i = 0; i < 3; i++) { - if ((IIC_BSTS & 0x00000003) == 0x00000003) - check++; - udelay(3); - } - - if (check == 3) { - IIC_BRST = 0x00000003; - break; - } else { - for (i = 0; i < 3; i++) { - IIC_BRST = 0x00000002; - udelay(8); - IIC_BRST = 0x00000003; - udelay(8); - } - } - } - - IIC_BRST = 0x00000002; - IIC_BRST = 0x00000003; - - value = SYS_IIC_DTRM_Bit_STA | SYS_IIC_DTRM_Bit_ACK; - value |= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) | - (unsigned short)0x0000); - IIC_DTRM = value; - POLL_INT_REQ(&IIC_ICR); - - /** send offset of MAC address in EEPROM **/ - IIC_DTRM = (unsigned char)((MAC_OFFSET & 0xFF00) >> 8); - POLL_INT_REQ(&IIC_ICR); - - IIC_DTRM = (unsigned char)(MAC_OFFSET & 0x00FF); - POLL_INT_REQ(&IIC_ICR); - - udelay(1000); - - value = SYS_IIC_DTRM_Bit_STA; - value |= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) | - (unsigned short)0x0001); - IIC_DTRM = value; - POLL_INT_REQ(&IIC_ICR); - - IIC_DTRM = 0x00000000; - while (mac_length > 0) { - POLL_INT_REQ(&IIC_ICR); - - data = IIC_DREC; - mac_length--; - if (mac_length == 0) - value = 0x00000300; /* stop IIC bus */ - else if (mac_length == 1) - value = 0x00000100; /* no ack */ - else - value = 0x00000000; /* ack */ - IIC_DTRM = value; - *mac_buf++ = (unsigned char)(data & 0xff); - } - - /* restore GnICR.LV and GnICR.IE */ - flags = arch_local_cli_save(); - IIC_ICR = (orig_gicr & (GxICR_LEVEL | GxICR_ENABLE)); - tmp = IIC_ICR; - arch_local_irq_restore(flags); - - return 0; -} -#endif /* MN10300_USE_EXT_EEPROM */ -#endif /* _ASM_UNIT_SMSC911X_H */ diff --git a/arch/mn10300/unit-asb2364/include/unit/timex.h b/arch/mn10300/unit-asb2364/include/unit/timex.h deleted file mode 100644 index 42f32db75087..000000000000 --- a/arch/mn10300/unit-asb2364/include/unit/timex.h +++ /dev/null @@ -1,155 +0,0 @@ -/* timex.h: MN2WS0038 architecture timer specifications - * - * Copyright (C) 2002, 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 License - * as published by the Free Software Foundation; either version - * 2 of the License, 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 0xffffff /* 24bit */ -#define TMJCIRQ TMTIRQ - -#ifndef __ASSEMBLY__ - -#define MN10300_SRC_IOBCLK MN10300_IOBCLK - -#ifndef HZ -# error HZ undeclared. -#endif /* !HZ */ - -#define MN10300_JCCLK (MN10300_SRC_IOBCLK) -#define MN10300_TSCCLK (MN10300_SRC_IOBCLK) - -#define MN10300_JC_PER_HZ ((MN10300_JCCLK + HZ / 2) / HZ) -#define MN10300_TSC_PER_HZ ((MN10300_TSCCLK + HZ / 2) / HZ) - -/* Check bit width of MTM interval value that sets base register */ -#if (MN10300_JC_PER_HZ - 1) > TMJCBR_MAX -# error MTM tick timer interval value is overflow. -#endif - -static inline void stop_jiffies_counter(void) -{ - u16 tmp; - TMTMD = 0; - tmp = TMTMD; -} - -static inline void reload_jiffies_counter(u32 cnt) -{ - u32 tmp; - - TMTBR = cnt; - tmp = TMTBR; - - TMTMD = TMTMD_TMTLDE; - TMTMD = TMTMD_TMTCNE; - tmp = TMTMD; -} - -#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS) && \ - !defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) -/* - * If we aren't using broadcasting, each core needs its own event timer. - * Since CPU0 uses the tick timer which is 24-bits, we use timer 4 & 5 - * cascaded to 32-bits for CPU1 (but only really use 24-bits to match - * CPU0). - */ - -#define TMJC1IRQ TM5IRQ - -static inline void stop_jiffies_counter1(void) -{ - u8 tmp; - TM4MD = 0; - TM5MD = 0; - tmp = TM4MD; - tmp = TM5MD; -} - -static inline void reload_jiffies_counter1(u32 cnt) -{ - u32 tmp; - - TM45BR = cnt; - tmp = TM45BR; - - TM4MD = TM4MD_INIT_COUNTER; - tmp = TM4MD; - - TM5MD = TM5MD_SRC_TM4CASCADE | TM5MD_INIT_COUNTER; - TM5MD = TM5MD_SRC_TM4CASCADE | TM5MD_COUNT_ENABLE; - tmp = TM5MD; - - TM4MD = TM4MD_COUNT_ENABLE; - tmp = TM4MD; -} -#endif /* CONFIG_SMP&GENERIC_CLOCKEVENTS&!GENERIC_CLOCKEVENTS_BROADCAST */ - -#endif /* !__ASSEMBLY__ */ - - -/* - * timestamp counter specifications - */ -#define TMTSCBR_MAX 0xffffffff - -#ifndef __ASSEMBLY__ - -/* Use 32-bit timestamp counter */ -#define TMTSCMD TMSMD -#define TMTSCBR TMSBR -#define TMTSCBC TMSBC -#define TMTSCICR TMSICR - -static inline void startup_timestamp_counter(void) -{ - u32 sync; - - /* set up TMS(Timestamp) 32bit timer register to count real time - * - count down from 4Gig-1 to 0 and wrap at IOBCLK rate - */ - - TMTSCBR = TMTSCBR_MAX; - sync = TMTSCBR; - - TMTSCICR = 0; - sync = TMTSCICR; - - TMTSCMD = TMTMD_TMTLDE; - TMTSCMD = TMTMD_TMTCNE; - sync = TMTSCMD; -} - -static inline void shutdown_timestamp_counter(void) -{ - TMTSCMD = 0; -} - -/* - * 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 */ |
