diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/btext.h | 27 | ||||
| -rw-r--r-- | include/asm-powerpc/delay.h | 55 | ||||
| -rw-r--r-- | include/asm-powerpc/eeh.h | 364 | ||||
| -rw-r--r-- | include/asm-powerpc/floppy.h | 105 | ||||
| -rw-r--r-- | include/asm-powerpc/hvconsole.h | 49 | ||||
| -rw-r--r-- | include/asm-powerpc/hvcserver.h | 57 | ||||
| -rw-r--r-- | include/asm-powerpc/nvram.h | 120 | ||||
| -rw-r--r-- | include/asm-powerpc/serial.h | 18 |
8 files changed, 795 insertions, 0 deletions
diff --git a/include/asm-powerpc/btext.h b/include/asm-powerpc/btext.h new file mode 100644 index 000000000000..71cce36bc630 --- /dev/null +++ b/include/asm-powerpc/btext.h @@ -0,0 +1,27 @@ +/* + * Definitions for using the procedures in btext.c. + * + * Benjamin Herrenschmidt <benh@kernel.crashing.org> + */ +#ifndef __PPC_BTEXT_H +#define __PPC_BTEXT_H +#ifdef __KERNEL__ + +extern void btext_clearscreen(void); +extern void btext_flushscreen(void); + +extern int boot_text_mapped; + +extern int btext_initialize(struct device_node *np); + +extern void map_boot_text(void); +extern void init_boot_display(void); +extern void btext_update_display(unsigned long phys, int width, int height, + int depth, int pitch); + +extern void btext_drawchar(char c); +extern void btext_drawstring(const char *str); +extern void btext_drawhex(unsigned long v); + +#endif /* __KERNEL__ */ +#endif /* __PPC_BTEXT_H */ diff --git a/include/asm-powerpc/delay.h b/include/asm-powerpc/delay.h new file mode 100644 index 000000000000..1492aa9ab716 --- /dev/null +++ b/include/asm-powerpc/delay.h @@ -0,0 +1,55 @@ +#ifndef _ASM_POWERPC_DELAY_H +#define _ASM_POWERPC_DELAY_H + +/* + * Copyright 1996, Paul Mackerras. + * + * 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. + * + * PPC64 Support added by Dave Engebretsen, Todd Inglett, Mike Corrigan, + * Anton Blanchard. + */ + +extern unsigned long tb_ticks_per_usec; + +#ifdef CONFIG_PPC64 +/* define these here to prevent circular dependencies */ +/* these instructions control the thread priority on multi-threaded cpus */ +#define __HMT_low() asm volatile("or 1,1,1") +#define __HMT_medium() asm volatile("or 2,2,2") +#else +#define __HMT_low() +#define __HMT_medium() +#endif + +#define __barrier() asm volatile("" ::: "memory") + +static inline unsigned long __get_tb(void) +{ + unsigned long rval; + + asm volatile("mftb %0" : "=r" (rval)); + return rval; +} + +static inline void __delay(unsigned long loops) +{ + unsigned long start = __get_tb(); + + while((__get_tb() - start) < loops) + __HMT_low(); + __HMT_medium(); + __barrier(); +} + +static inline void udelay(unsigned long usecs) +{ + unsigned long loops = tb_ticks_per_usec * usecs; + + __delay(loops); +} + +#endif /* _ASM_POWERPC_DELAY_H */ diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h new file mode 100644 index 000000000000..89f26ab31908 --- /dev/null +++ b/include/asm-powerpc/eeh.h @@ -0,0 +1,364 @@ +/* + * eeh.h + * Copyright (C) 2001 Dave Engebretsen & Todd Inglett IBM Corporation. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _PPC64_EEH_H +#define _PPC64_EEH_H + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/string.h> + +struct pci_dev; +struct device_node; + +#ifdef CONFIG_EEH + +/* Values for eeh_mode bits in device_node */ +#define EEH_MODE_SUPPORTED (1<<0) +#define EEH_MODE_NOCHECK (1<<1) +#define EEH_MODE_ISOLATED (1<<2) + +/* Max number of EEH freezes allowed before we consider the device + * to be permanently disabled. */ +#define EEH_MAX_ALLOWED_FREEZES 5 + +void __init eeh_init(void); +unsigned long eeh_check_failure(const volatile void __iomem *token, + unsigned long val); +int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev); +void __init pci_addr_cache_build(void); + +/** + * eeh_add_device_early + * eeh_add_device_late + * + * Perform eeh initialization for devices added after boot. + * Call eeh_add_device_early before doing any i/o to the + * device (including config space i/o). Call eeh_add_device_late + * to finish the eeh setup for this device. + */ +void eeh_add_device_early(struct device_node *); +void eeh_add_device_late(struct pci_dev *); + +/** + * eeh_remove_device - undo EEH setup for the indicated pci device + * @dev: pci device to be removed + * + * This routine should be called when a device is removed from + * a running system (e.g. by hotplug or dlpar). It unregisters + * the PCI device from the EEH subsystem. I/O errors affecting + * this device will no longer be detected after this call; thus, + * i/o errors affecting this slot may leave this device unusable. + */ +void eeh_remove_device(struct pci_dev *); + +/** + * EEH_POSSIBLE_ERROR() -- test for possible MMIO failure. + * + * If this macro yields TRUE, the caller relays to eeh_check_failure() + * which does further tests out of line. + */ +#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0) + +/* + * Reads from a device which has been isolated by EEH will return + * all 1s. This macro gives an all-1s value of the given size (in + * bytes: 1, 2, or 4) for comparing with the result of a read. + */ +#define EEH_IO_ERROR_VALUE(size) (~0U >> ((4 - (size)) * 8)) + +#else /* !CONFIG_EEH */ +static inline void eeh_init(void) { } + +static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val) +{ + return val; +} + +static inline int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) +{ + return 0; +} + +static inline void pci_addr_cache_build(void) { } + +static inline void eeh_add_device_early(struct device_node *dn) { } + +static inline void eeh_add_device_late(struct pci_dev *dev) { } + +static inline void eeh_remove_device(struct pci_dev *dev) { } + +#define EEH_POSSIBLE_ERROR(val, type) (0) +#define EEH_IO_ERROR_VALUE(size) (-1UL) +#endif /* CONFIG_EEH */ + +/* + * MMIO read/write operations with EEH support. + */ +static inline u8 eeh_readb(const volatile void __iomem *addr) +{ + u8 val = in_8(addr); + if (EEH_POSSIBLE_ERROR(val, u8)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_writeb(u8 val, volatile void __iomem *addr) +{ + out_8(addr, val); +} + +static inline u16 eeh_readw(const volatile void __iomem *addr) +{ + u16 val = in_le16(addr); + if (EEH_POSSIBLE_ERROR(val, u16)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_writew(u16 val, volatile void __iomem *addr) +{ + out_le16(addr, val); +} +static inline u16 eeh_raw_readw(const volatile void __iomem *addr) +{ + u16 val = in_be16(addr); + if (EEH_POSSIBLE_ERROR(val, u16)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_raw_writew(u16 val, volatile void __iomem *addr) { + volatile u16 __iomem *vaddr = (volatile u16 __iomem *) addr; + out_be16(vaddr, val); +} + +static inline u32 eeh_readl(const volatile void __iomem *addr) +{ + u32 val = in_le32(addr); + if (EEH_POSSIBLE_ERROR(val, u32)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_writel(u32 val, volatile void __iomem *addr) +{ + out_le32(addr, val); +} +static inline u32 eeh_raw_readl(const volatile void __iomem *addr) +{ + u32 val = in_be32(addr); + if (EEH_POSSIBLE_ERROR(val, u32)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_raw_writel(u32 val, volatile void __iomem *addr) +{ + out_be32(addr, val); +} + +static inline u64 eeh_readq(const volatile void __iomem *addr) +{ + u64 val = in_le64(addr); + if (EEH_POSSIBLE_ERROR(val, u64)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_writeq(u64 val, volatile void __iomem *addr) +{ + out_le64(addr, val); +} +static inline u64 eeh_raw_readq(const volatile void __iomem *addr) +{ + u64 val = in_be64(addr); + if (EEH_POSSIBLE_ERROR(val, u64)) + return eeh_check_failure(addr, val); + return val; +} +static inline void eeh_raw_writeq(u64 val, volatile void __iomem *addr) +{ + out_be64(addr, val); +} + +#define EEH_CHECK_ALIGN(v,a) \ + ((((unsigned long)(v)) & ((a) - 1)) == 0) + +static inline void eeh_memset_io(volatile void __iomem *addr, int c, + unsigned long n) +{ + void *p = (void __force *)addr; + u32 lc = c; + lc |= lc << 8; + lc |= lc << 16; + + while(n && !EEH_CHECK_ALIGN(p, 4)) { + *((volatile u8 *)p) = c; + p++; + n--; + } + while(n >= 4) { + *((volatile u32 *)p) = lc; + p += 4; + n -= 4; + } + while(n) { + *((volatile u8 *)p) = c; + p++; + n--; + } + __asm__ __volatile__ ("sync" : : : "memory"); +} +static inline void eeh_memcpy_fromio(void *dest, const volatile void __iomem *src, + unsigned long n) +{ + void *vsrc = (void __force *) src; + void *destsave = dest; + unsigned long nsave = n; + + while(n && (!EEH_CHECK_ALIGN(vsrc, 4) || !EEH_CHECK_ALIGN(dest, 4))) { + *((u8 *)dest) = *((volatile u8 *)vsrc); + __asm__ __volatile__ ("eieio" : : : "memory"); + vsrc++; + dest++; + n--; + } + while(n > 4) { + *((u32 *)dest) = *((volatile u32 *)vsrc); + __asm__ __volatile__ ("eieio" : : : "memory"); + vsrc += 4; + dest += 4; + n -= 4; + } + while(n) { + *((u8 *)dest) = *((volatile u8 *)vsrc); + __asm__ __volatile__ ("eieio" : : : "memory"); + vsrc++; + dest++; + n--; + } + __asm__ __volatile__ ("sync" : : : "memory"); + + /* Look for ffff's here at dest[n]. Assume that at least 4 bytes + * were copied. Check all four bytes. + */ + if ((nsave >= 4) && + (EEH_POSSIBLE_ERROR((*((u32 *) destsave+nsave-4)), u32))) { + eeh_check_failure(src, (*((u32 *) destsave+nsave-4))); + } +} + +static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src, + unsigned long n) +{ + void *vdest = (void __force *) dest; + + while(n && (!EEH_CHECK_ALIGN(vdest, 4) || !EEH_CHECK_ALIGN(src, 4))) { + *((volatile u8 *)vdest) = *((u8 *)src); + src++; + vdest++; + n--; + } + while(n > 4) { + *((volatile u32 *)vdest) = *((volatile u32 *)src); + src += 4; + vdest += 4; + n-=4; + } + while(n) { + *((volatile u8 *)vdest) = *((u8 *)src); + src++; + vdest++; + n--; + } + __asm__ __volatile__ ("sync" : : : "memory"); +} + +#undef EEH_CHECK_ALIGN + +static inline u8 eeh_inb(unsigned long port) +{ + u8 val; + if (!_IO_IS_VALID(port)) + return ~0; + val = in_8((u8 __iomem *)(port+pci_io_base)); + if (EEH_POSSIBLE_ERROR(val, u8)) + return eeh_check_failure((void __iomem *)(port), val); + return val; +} + +static inline void eeh_outb(u8 val, unsigned long port) +{ + if (_IO_IS_VALID(port)) + out_8((u8 __iomem *)(port+pci_io_base), val); +} + +static inline u16 eeh_inw(unsigned long port) +{ + u16 val; + if (!_IO_IS_VALID(port)) + return ~0; + val = in_le16((u16 __iomem *)(port+pci_io_base)); + if (EEH_POSSIBLE_ERROR(val, u16)) + return eeh_check_failure((void __iomem *)(port), val); + return val; +} + +static inline void eeh_outw(u16 val, unsigned long port) +{ + if (_IO_IS_VALID(port)) + out_le16((u16 __iomem *)(port+pci_io_base), val); +} + +static inline u32 eeh_inl(unsigned long port) +{ + u32 val; + if (!_IO_IS_VALID(port)) + return ~0; + val = in_le32((u32 __iomem *)(port+pci_io_base)); + if (EEH_POSSIBLE_ERROR(val, u32)) + return eeh_check_failure((void __iomem *)(port), val); + return val; +} + +static inline void eeh_outl(u32 val, unsigned long port) +{ + if (_IO_IS_VALID(port)) + out_le32((u32 __iomem *)(port+pci_io_base), val); +} + +/* in-string eeh macros */ +static inline void eeh_insb(unsigned long port, void * buf, int ns) +{ + _insb((u8 __iomem *)(port+pci_io_base), buf, ns); + if (EEH_POSSIBLE_ERROR((*(((u8*)buf)+ns-1)), u8)) + eeh_check_failure((void __iomem *)(port), *(u8*)buf); +} + +static inline void eeh_insw_ns(unsigned long port, void * buf, int ns) +{ + _insw_ns((u16 __iomem *)(port+pci_io_base), buf, ns); + if (EEH_POSSIBLE_ERROR((*(((u16*)buf)+ns-1)), u16)) + eeh_check_failure((void __iomem *)(port), *(u16*)buf); +} + +static inline void eeh_insl_ns(unsigned long port, void * buf, int nl) +{ + _insl_ns((u32 __iomem *)(port+pci_io_base), buf, nl); + if (EEH_POSSIBLE_ERROR((*(((u32*)buf)+nl-1)), u32)) + eeh_check_failure((void __iomem *)(port), *(u32*)buf); +} + +#endif /* _PPC64_EEH_H */ diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h new file mode 100644 index 000000000000..64276a3f6153 --- /dev/null +++ b/include/asm-powerpc/floppy.h @@ -0,0 +1,105 @@ +/* + * Architecture specific parts of the Floppy driver + * + * 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) 1995 + */ +#ifndef __ASM_POWERPC_FLOPPY_H +#define __ASM_POWERPC_FLOPPY_H + +#include <linux/config.h> +#include <asm/machdep.h> + +#define fd_inb(port) inb_p(port) +#define fd_outb(value,port) outb_p(value,port) + +#define fd_enable_dma() enable_dma(FLOPPY_DMA) +#define fd_disable_dma() disable_dma(FLOPPY_DMA) +#define fd_request_dma() request_dma(FLOPPY_DMA, "floppy") +#define fd_free_dma() free_dma(FLOPPY_DMA) +#define fd_clear_dma_ff() clear_dma_ff(FLOPPY_DMA) +#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA, mode) +#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA, count) +#define fd_enable_irq() enable_irq(FLOPPY_IRQ) +#define fd_disable_irq() disable_irq(FLOPPY_IRQ) +#define fd_cacheflush(addr,size) /* nothing */ +#define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt, \ + SA_INTERRUPT|SA_SAMPLE_RANDOM, \ + "floppy", NULL) +#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL); + +#ifdef CONFIG_PCI + +#include <linux/pci.h> + +#define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) + +static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size, + int mode, int io) +{ + static unsigned long prev_size; + static dma_addr_t bus_addr = 0; + static char *prev_addr; + static int prev_dir; + int dir; + + dir = (mode == DMA_MODE_READ) ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE; + + if (bus_addr + && (addr != prev_addr || size != prev_size || dir != prev_dir)) { + /* different from last time -- unmap prev */ + pci_unmap_single(NULL, bus_addr, prev_size, prev_dir); + bus_addr = 0; + } + + if (!bus_addr) /* need to map it */ + bus_addr = pci_map_single(NULL, addr, size, dir); + + /* remember this one as prev */ + prev_addr = addr; + prev_size = size; + prev_dir = dir; + + fd_clear_dma_ff(); + fd_cacheflush(addr, size); + fd_set_dma_mode(mode); + set_dma_addr(FLOPPY_DMA, bus_addr); + fd_set_dma_count(size); + virtual_dma_port = io; + fd_enable_dma(); + + return 0; +} + +#endif /* CONFIG_PCI */ + +__inline__ void virtual_dma_init(void) +{ + /* Nothing to do on PowerPC */ +} + +static int FDC1 = 0x3f0; +static int FDC2 = -1; + +/* + * Again, the CMOS information not available + */ +#define FLOPPY0_TYPE 6 +#define FLOPPY1_TYPE 0 + +#define N_FDC 2 /* Don't change this! */ +#define N_DRIVE 8 + +#define FLOPPY_MOTOR_MASK 0xf0 + +/* + * The PowerPC has no problems with floppy DMA crossing 64k borders. + */ +#define CROSS_64KB(a,s) (0) + +#define EXTRA_FLOPPY_PARAMS + +#endif /* __ASM_POWERPC_FLOPPY_H */ diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h new file mode 100644 index 000000000000..6da93ce74dc0 --- /dev/null +++ b/include/asm-powerpc/hvconsole.h @@ -0,0 +1,49 @@ +/* + * hvconsole.h + * Copyright (C) 2004 Ryan S Arnold, IBM Corporation + * + * LPAR console support. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _PPC64_HVCONSOLE_H +#define _PPC64_HVCONSOLE_H + +/* + * This is the max number of console adapters that can/will be found as + * console devices on first stage console init. Any number beyond this range + * can't be used as a console device but is still a valid tty device. + */ +#define MAX_NR_HVC_CONSOLES 16 + +/* implemented by a low level driver */ +struct hv_ops { + int (*get_chars)(uint32_t vtermno, char *buf, int count); + int (*put_chars)(uint32_t vtermno, const char *buf, int count); +}; +extern int hvc_get_chars(uint32_t vtermno, char *buf, int count); +extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count); + +struct hvc_struct; + +/* Register a vterm and a slot index for use as a console (console_init) */ +extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); +/* register a vterm for hvc tty operation (module_init or hotplug add) */ +extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, + struct hv_ops *ops); +/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ +extern int __devexit hvc_remove(struct hvc_struct *hp); +#endif /* _PPC64_HVCONSOLE_H */ diff --git a/include/asm-powerpc/hvcserver.h b/include/asm-powerpc/hvcserver.h new file mode 100644 index 000000000000..aecba9665796 --- /dev/null +++ b/include/asm-powerpc/hvcserver.h @@ -0,0 +1,57 @@ +/* + * hvcserver.h + * Copyright (C) 2004 Ryan S Arnold, IBM Corporation + * + * PPC64 virtual I/O console server support. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _PPC64_HVCSERVER_H +#define _PPC64_HVCSERVER_H + +#include <linux/list.h> + +/* Converged Location Code length */ +#define HVCS_CLC_LENGTH 79 + +/** + * hvcs_partner_info - an element in a list of partner info + * @node: list_head denoting this partner_info struct's position in the list of + * partner info. + * @unit_address: The partner unit address of this entry. + * @partition_ID: The partner partition ID of this entry. + * @location_code: The converged location code of this entry + 1 char for the + * null-term. + * + * This structure outlines the format that partner info is presented to a caller + * of the hvcs partner info fetching functions. These are strung together into + * a list using linux kernel lists. + */ +struct hvcs_partner_info { + struct list_head node; + uint32_t unit_address; + uint32_t partition_ID; + char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */ +}; + +extern int hvcs_free_partner_info(struct list_head *head); +extern int hvcs_get_partner_info(uint32_t unit_address, + struct list_head *head, unsigned long *pi_buff); +extern int hvcs_register_connection(uint32_t unit_address, + uint32_t p_partition_ID, uint32_t p_unit_address); +extern int hvcs_free_connection(uint32_t unit_address); + +#endif /* _PPC64_HVCSERVER_H */ diff --git a/include/asm-powerpc/nvram.h b/include/asm-powerpc/nvram.h new file mode 100644 index 000000000000..1858244ced32 --- /dev/null +++ b/include/asm-powerpc/nvram.h @@ -0,0 +1,120 @@ +/* + * NVRAM definitions and access functions. + * + * 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_POWERPC_NVRAM_H +#define _ASM_POWERPC_NVRAM_H + +#define NVRW_CNT 0x20 +#define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */ +#define NVRAM_BLOCK_LEN 16 +#define NVRAM_MAX_REQ (2080/NVRAM_BLOCK_LEN) +#define NVRAM_MIN_REQ (1056/NVRAM_BLOCK_LEN) + +#define NVRAM_AS0 0x74 +#define NVRAM_AS1 0x75 +#define NVRAM_DATA 0x77 + + +/* RTC Offsets */ + +#define MOTO_RTC_SECONDS 0x1FF9 +#define MOTO_RTC_MINUTES 0x1FFA +#define MOTO_RTC_HOURS 0x1FFB +#define MOTO_RTC_DAY_OF_WEEK 0x1FFC +#define MOTO_RTC_DAY_OF_MONTH 0x1FFD +#define MOTO_RTC_MONTH 0x1FFE +#define MOTO_RTC_YEAR 0x1FFF +#define MOTO_RTC_CONTROLA 0x1FF8 +#define MOTO_RTC_CONTROLB 0x1FF9 + +#define NVRAM_SIG_SP 0x02 /* support processor */ +#define NVRAM_SIG_OF 0x50 /* open firmware config */ +#define NVRAM_SIG_FW 0x51 /* general firmware */ +#define NVRAM_SIG_HW 0x52 /* hardware (VPD) */ +#define NVRAM_SIG_FLIP 0x5a /* Apple flip/flop header */ +#define NVRAM_SIG_APPL 0x5f /* Apple "system" (???) */ +#define NVRAM_SIG_SYS 0x70 /* system env vars */ +#define NVRAM_SIG_CFG 0x71 /* config data */ +#define NVRAM_SIG_ELOG 0x72 /* error log */ +#define NVRAM_SIG_VEND 0x7e /* vendor defined */ +#define NVRAM_SIG_FREE 0x7f /* Free space */ +#define NVRAM_SIG_OS 0xa0 /* OS defined */ +#define NVRAM_SIG_PANIC 0xa1 /* Apple OSX "panic" */ + +/* If change this size, then change the size of NVNAME_LEN */ +struct nvram_header { + unsigned char signature; + unsigned char checksum; + unsigned short length; + char name[12]; +}; + +struct nvram_partition { + struct list_head partition; + struct nvram_header header; + unsigned int index; +}; + + +extern int nvram_write_error_log(char * buff, int length, unsigned int err_type); +extern int nvram_read_error_log(char * buff, int length, unsigned int * err_type); +extern int nvram_clear_error_log(void); +extern struct nvram_partition *nvram_find_partition(int sig, const char *name); + +extern int pSeries_nvram_init(void); +extern int pmac_nvram_init(void); +extern int mmio_nvram_init(void); + +/* PowerMac specific nvram stuffs */ + +enum { + pmac_nvram_OF, /* Open Firmware partition */ + pmac_nvram_XPRAM, /* MacOS XPRAM partition */ + pmac_nvram_NR /* MacOS Name Registry partition */ +}; + +/* Return partition offset in nvram */ +extern int pmac_get_partition(int partition); + +/* Direct access to XPRAM on PowerMacs */ +extern u8 pmac_xpram_read(int xpaddr); +extern void pmac_xpram_write(int xpaddr, u8 data); + +/* Synchronize NVRAM */ +extern void nvram_sync(void); + +/* Normal access to NVRAM */ +extern unsigned char nvram_read_byte(int i); +extern void nvram_write_byte(unsigned char c, int i); + +/* Some offsets in XPRAM */ +#define PMAC_XPRAM_MACHINE_LOC 0xe4 +#define PMAC_XPRAM_SOUND_VOLUME 0x08 + +/* Machine location structure in PowerMac XPRAM */ +struct pmac_machine_location { + unsigned int latitude; /* 2+30 bit Fractional number */ + unsigned int longitude; /* 2+30 bit Fractional number */ + unsigned int delta; /* mix of GMT delta and DLS */ +}; + +/* + * /dev/nvram ioctls + * + * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is + * definitely obsolete. Do not use it if you can avoid it + */ + +#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \ + _IOWR('p', 0x40, int) + +#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */ +#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */ + +#endif /* _ASM_POWERPC_NVRAM_H */ diff --git a/include/asm-powerpc/serial.h b/include/asm-powerpc/serial.h new file mode 100644 index 000000000000..b273d630b32f --- /dev/null +++ b/include/asm-powerpc/serial.h @@ -0,0 +1,18 @@ +/* + * 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_POWERPC_SERIAL_H +#define _ASM_POWERPC_SERIAL_H + +/* + * Serial ports are not listed here, because they are discovered + * through the device tree. + */ + +/* Default baud base if not found in device-tree */ +#define BASE_BAUD ( 1843200 / 16 ) + +#endif /* _PPC64_SERIAL_H */ |
