Commit bb72710d authored by Linus Torvalds's avatar Linus Torvalds

Merge bk://ppc.bkbits.net/for-linus-ppc

into home.transmeta.com:/home/torvalds/v2.5/linux
parents 9ff32a07 429c7cd2
#
# MPC4xx driver options
#
mainmenu_option next_comment
comment 'MPC4xx Driver Options'
if [ "$CONFIG_STB03xxx" = "y" ]; then
bool 'STB IR Keyboard' CONFIG_STB_KB
bool 'SICC Serial port' CONFIG_SERIAL_SICC
if [ "$CONFIG_SERIAL_SICC" = "y" -a "$CONFIG_UART0_TTYS1" = "y" ]; then
define_bool CONFIG_UART1_DFLT_CONSOLE y
define_bool CONFIG_SERIAL_SICC_CONSOLE y
fi
fi
endmenu
#
# Makefile for the linux MPC4xx ppc-specific parts
#
O_TARGET := 4xx_io.o
#obj-y :=
obj-$(CONFIG_STB_KB) += stb_kb.o
obj-$(CONFIG_SERIAL_SICC) += serial_sicc.o
include $(TOPDIR)/Rules.make
This diff is collapsed.
/*
* arch/ppc/4xx_io/stb_kb.c
*
* 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.
*/
#include <linux/config.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/mm.h>
#include <linux/signal.h>
#include <linux/init.h>
#include <linux/kbd_ll.h>
#include <linux/delay.h>
#include <linux/random.h>
#include <linux/poll.h>
#include <linux/miscdevice.h>
#include <linux/malloc.h>
#include <linux/kbd_kern.h>
/* the following are borrowed from pc_keyb.c, thanks to those involved! */
/*
* Translation of escaped scancodes to keycodes.
* This is now user-settable.
* The keycodes 1-88,96-111,119 are fairly standard, and
* should probably not be changed - changing might confuse X.
* X also interprets scancode 0x5d (KEY_Begin).
*
* For 1-88 keycode equals scancode.
*/
#define E0_KPENTER 96
#define E0_RCTRL 97
#define E0_KPSLASH 98
#define E0_PRSCR 99
#define E0_RALT 100
#define E0_BREAK 101 /* (control-pause) */
#define E0_HOME 102
#define E0_UP 103
#define E0_PGUP 104
#define E0_LEFT 105
#define E0_RIGHT 106
#define E0_END 107
#define E0_DOWN 108
#define E0_PGDN 109
#define E0_INS 110
#define E0_DEL 111
#define E1_PAUSE 119
/*
* The keycodes below are randomly located in 89-95,112-118,120-127.
* They could be thrown away (and all occurrences below replaced by 0),
* but that would force many users to use the `setkeycodes' utility, where
* they needed not before. It does not matter that there are duplicates, as
* long as no duplication occurs for any single keyboard.
*/
#define SC_LIM 89
#define FOCUS_PF1 85 /* actual code! */
#define FOCUS_PF2 89
#define FOCUS_PF3 90
#define FOCUS_PF4 91
#define FOCUS_PF5 92
#define FOCUS_PF6 93
#define FOCUS_PF7 94
#define FOCUS_PF8 95
#define FOCUS_PF9 120
#define FOCUS_PF10 121
#define FOCUS_PF11 122
#define FOCUS_PF12 123
#define JAP_86 124
/* tfj@olivia.ping.dk:
* The four keys are located over the numeric keypad, and are
* labelled A1-A4. It's an rc930 keyboard, from
* Regnecentralen/RC International, Now ICL.
* Scancodes: 59, 5a, 5b, 5c.
*/
#define RGN1 124
#define RGN2 125
#define RGN3 126
#define RGN4 127
static unsigned char high_keys[128 - SC_LIM] = {
RGN1, RGN2, RGN3, RGN4, 0, 0, 0, /* 0x59-0x5f */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */
0, 0, 0, 0, 0, FOCUS_PF11, 0, FOCUS_PF12, /* 0x68-0x6f */
0, 0, 0, FOCUS_PF2, FOCUS_PF9, 0, 0, FOCUS_PF3, /* 0x70-0x77 */
FOCUS_PF4, FOCUS_PF5, FOCUS_PF6, FOCUS_PF7, /* 0x78-0x7b */
FOCUS_PF8, JAP_86, FOCUS_PF10, 0 /* 0x7c-0x7f */
};
/* BTC */
#define E0_MACRO 112
/* LK450 */
#define E0_F13 113
#define E0_F14 114
#define E0_HELP 115
#define E0_DO 116
#define E0_F17 117
#define E0_KPMINPLUS 118
/*
* My OmniKey generates e0 4c for the "OMNI" key and the
* right alt key does nada. [kkoller@nyx10.cs.du.edu]
*/
#define E0_OK 124
/*
* New microsoft keyboard is rumoured to have
* e0 5b (left window button), e0 5c (right window button),
* e0 5d (menu button). [or: LBANNER, RBANNER, RMENU]
* [or: Windows_L, Windows_R, TaskMan]
*/
#define E0_MSLW 125
#define E0_MSRW 126
#define E0_MSTM 127
static unsigned char e0_keys[128] = {
0, 0, 0, 0, 0, 0, 0, 0, /* 0x00-0x07 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x08-0x0f */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x10-0x17 */
0, 0, 0, 0, E0_KPENTER, E0_RCTRL, 0, 0, /* 0x18-0x1f */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x20-0x27 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x28-0x2f */
0, 0, 0, 0, 0, E0_KPSLASH, 0, E0_PRSCR, /* 0x30-0x37 */
E0_RALT, 0, 0, 0, 0, E0_F13, E0_F14, E0_HELP, /* 0x38-0x3f */
E0_DO, E0_F17, 0, 0, 0, 0, E0_BREAK, E0_HOME, /* 0x40-0x47 */
E0_UP, E0_PGUP, 0, E0_LEFT, E0_OK, E0_RIGHT, E0_KPMINPLUS, E0_END,/* 0x48-0x4f */
E0_DOWN, E0_PGDN, E0_INS, E0_DEL, 0, 0, 0, 0, /* 0x50-0x57 */
0, 0, 0, E0_MSLW, E0_MSRW, E0_MSTM, 0, 0, /* 0x58-0x5f */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */
0, 0, 0, 0, 0, 0, 0, E0_MACRO, /* 0x68-0x6f */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77 */
0, 0, 0, 0, 0, 0, 0, 0 /* 0x78-0x7f */
};
void __init rawirkbd_init_hw(void) {
}
/*
int rawirkbd_setkeycode(unsigned int scancode, unsigned int keycode)
{
return -EINVAL;
}
int rawirkbd_getkeycode(unsigned int scancode)
{
return -EINVAL;
}
*/
int rawirkbd_setkeycode(unsigned int scancode, unsigned int keycode)
{
if (scancode < SC_LIM || scancode > 255 || keycode > 127)
return -EINVAL;
if (scancode < 128)
high_keys[scancode - SC_LIM] = keycode;
else
e0_keys[scancode - 128] = keycode;
return 0;
}
int rawirkbd_getkeycode(unsigned int scancode)
{
return
(scancode < SC_LIM || scancode > 255) ? -EINVAL :
(scancode < 128) ? high_keys[scancode - SC_LIM] :
e0_keys[scancode - 128];
}
int rawirkbd_translate(unsigned char scancode, unsigned char *keycode,
char raw_mode)
{
static int prev_scancode = 0;
/* special prefix scancodes.. */
if (scancode == 0xe0 || scancode == 0xe1) {
prev_scancode = scancode;
return 0;
}
/* 0xFF is sent by a few keyboards, ignore it. 0x00 is error */
if (scancode == 0x00 || scancode == 0xff) {
prev_scancode = 0;
return 0;
}
scancode &= 0x7f;
if (prev_scancode) {
/*
* usually it will be 0xe0, but a Pause key generates
* e1 1d 45 e1 9d c5 when pressed, and nothing when released
*/
if (prev_scancode != 0xe0) {
if (prev_scancode == 0xe1 && scancode == 0x1d) {
prev_scancode = 0x100;
return 0;
} else if (prev_scancode == 0x100 && scancode == 0x45) {
*keycode = E1_PAUSE;
prev_scancode = 0;
} else {
#ifdef KBD_REPORT_UNKN
if (!raw_mode)
printk(KERN_INFO "keyboard: unknown e1 escape sequence\n");
#endif
prev_scancode = 0;
return 0;
}
} else {
prev_scancode = 0;
/*
* The keyboard maintains its own internal caps lock and
* num lock statuses. In caps lock mode E0 AA precedes make
* code and E0 2A follows break code. In num lock mode,
* E0 2A precedes make code and E0 AA follows break code.
* We do our own book-keeping, so we will just ignore these.
*/
/*
* For my keyboard there is no caps lock mode, but there are
* both Shift-L and Shift-R modes. The former mode generates
* E0 2A / E0 AA pairs, the latter E0 B6 / E0 36 pairs.
* So, we should also ignore the latter. - aeb@cwi.nl
*/
if (scancode == 0x2a || scancode == 0x36)
return 0;
if (e0_keys[scancode])
*keycode = e0_keys[scancode];
else {
#ifdef KBD_REPORT_UNKN
if (!raw_mode)
printk(KERN_INFO "keyboard: unknown scancode e0 %02x\n",
scancode);
#endif
return 0;
}
}
} else if (scancode >= SC_LIM) {
/* This happens with the FOCUS 9000 keyboard
Its keys PF1..PF12 are reported to generate
55 73 77 78 79 7a 7b 7c 74 7e 6d 6f
Moreover, unless repeated, they do not generate
key-down events, so we have to zero up_flag below */
/* Also, Japanese 86/106 keyboards are reported to
generate 0x73 and 0x7d for \ - and \ | respectively. */
/* Also, some Brazilian keyboard is reported to produce
0x73 and 0x7e for \ ? and KP-dot, respectively. */
*keycode = high_keys[scancode - SC_LIM];
if (!*keycode) {
if (!raw_mode) {
#ifdef KBD_REPORT_UNKN
printk(KERN_INFO "keyboard: unrecognized scancode (%02x)"
" - ignored\n", scancode);
#endif
}
return 0;
}
} else
*keycode = scancode;
return 1;
}
char rawirkbd_unexpected_up(unsigned char keycode)
{
/* unexpected, but this can happen: maybe this was a key release for a
FOCUS 9000 PF key; if we want to see it, we have to clear up_flag */
if (keycode >= SC_LIM || keycode == 85)
return 0;
else
return 0200;
}
#include <asm/machdep.h>
void redwood_irkb_init(void)
{
extern struct machdep_calls ppc_md;
ppc_md.kbd_setkeycode = rawirkbd_setkeycode;
ppc_md.kbd_getkeycode = rawirkbd_getkeycode;
ppc_md.kbd_translate = rawirkbd_translate;
ppc_md.kbd_unexpected_up = rawirkbd_unexpected_up;
ppc_md.kbd_leds = NULL; /*rawirkbd_leds;*/
ppc_md.kbd_init_hw = rawirkbd_init_hw;
}
# #
# MPC8260 Communication options # MPC8260 Communication options
# #
mainmenu_option next_comment
comment 'MPC8260 Communication Options'
bool 'Enable SCC Console' CONFIG_SCC_CONSOLE
if [ "$CONFIG_NET_ETHERNET" = "y" ]; then if [ "$CONFIG_NET_ETHERNET" = "y" ]; then
mainmenu_option next_comment mainmenu_option next_comment
comment 'MPC8260 Communication Options' comment 'MPC8260 Communication Options'
...@@ -20,6 +23,13 @@ if [ "$CONFIG_NET_ETHERNET" = "y" ]; then ...@@ -20,6 +23,13 @@ if [ "$CONFIG_NET_ETHERNET" = "y" ]; then
bool 'Ethernet on FCC1' CONFIG_FCC1_ENET bool 'Ethernet on FCC1' CONFIG_FCC1_ENET
bool 'Ethernet on FCC2' CONFIG_FCC2_ENET bool 'Ethernet on FCC2' CONFIG_FCC2_ENET
bool 'Ethernet on FCC3' CONFIG_FCC3_ENET bool 'Ethernet on FCC3' CONFIG_FCC3_ENET
bool 'Use MDIO for PHY configuration' CONFIG_USE_MDIO
if [ "$CONFIG_USE_MDIO" = "y" ]; then
choice 'Type of PHY' \
"LXT970 CONFIG_FCC_LXT970 \
LXT971 CONFIG_FCC_LXT971 \
QS6612 CONFIG_FCC_QS6612" CONFIG_FCC_LXT971
fi
fi fi
endmenu
fi fi
endmenu
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...@@ -25,6 +25,10 @@ if [ "$CONFIG_SMC2_UART" = "y" ]; then ...@@ -25,6 +25,10 @@ if [ "$CONFIG_SMC2_UART" = "y" ]; then
fi fi
bool 'Enable SCC2 and SCC3 for UART' CONFIG_USE_SCC_IO bool 'Enable SCC2 and SCC3 for UART' CONFIG_USE_SCC_IO
if [ "$CONFIG_SOUND" = "y" ]; then
bool 'Embedded Planet HIOX Audio' CONFIG_HTDMSOUND
fi
# This doesn't really belong here, but it is convenient to ask # This doesn't really belong here, but it is convenient to ask
# 8xx specific questions. # 8xx specific questions.
......
# BK Id: SCCS/s.Makefile 1.6 08/30/01 09:33:48 trini # BK Id: %F% %I% %G% %U% %#%
# #
# #
# Makefile for the linux MPC8xx ppc-specific parts of comm processor # Makefile for the linux MPC8xx ppc-specific parts of comm processor
...@@ -16,5 +16,6 @@ obj-y := commproc.o uart.o ...@@ -16,5 +16,6 @@ obj-y := commproc.o uart.o
obj-$(CONFIG_FEC_ENET) += fec.o obj-$(CONFIG_FEC_ENET) += fec.o
obj-$(CONFIG_SCC_ENET) += enet.o obj-$(CONFIG_SCC_ENET) += enet.o
obj-$(CONFIG_UCODE_PATCH) += micropatch.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o
obj-$(CONFIG_HTDMSOUND) += cs4218_tdm.o
include $(TOPDIR)/Rules.make include $(TOPDIR)/Rules.make
/* /*
* BK Id: SCCS/s.commproc.c 1.15 10/16/01 16:21:52 trini * BK Id: %F% %I% %G% %U% %#%
*/ */
/* /*
...@@ -55,7 +55,63 @@ struct cpm_action { ...@@ -55,7 +55,63 @@ struct cpm_action {
static struct cpm_action cpm_vecs[CPMVEC_NR]; static struct cpm_action cpm_vecs[CPMVEC_NR];
static void cpm_interrupt(int irq, void * dev, struct pt_regs * regs); static void cpm_interrupt(int irq, void * dev, struct pt_regs * regs);
static void cpm_error_interrupt(void *, struct pt_regs * regs); static void cpm_error_interrupt(void *, struct pt_regs * regs);
static void alloc_host_memory(void);
#if 1
void
m8xx_cpm_reset()
{
volatile immap_t *imp;
volatile cpm8xx_t *commproc;
pte_t *pte;
imp = (immap_t *)IMAP_ADDR;
commproc = (cpm8xx_t *)&imp->im_cpm;
#ifdef CONFIG_UCODE_PATCH
/* Perform a reset.
*/
commproc->cp_cpcr = (CPM_CR_RST | CPM_CR_FLG);
/* Wait for it.
*/
while (commproc->cp_cpcr & CPM_CR_FLG);
cpm_load_patch(imp);
#endif
/* Set SDMA Bus Request priority 5.
* On 860T, this also enables FEC priority 6. I am not sure
* this is what we realy want for some applications, but the
* manual recommends it.
* Bit 25, FAM can also be set to use FEC aggressive mode (860T).
*/
imp->im_siu_conf.sc_sdcr = 1;
/* Reclaim the DP memory for our use.
*/
dp_alloc_base = CPM_DATAONLY_BASE;
dp_alloc_top = dp_alloc_base + CPM_DATAONLY_SIZE;
/* Tell everyone where the comm processor resides.
*/
cpmp = (cpm8xx_t *)commproc;
}
/* We used to do this earlier, but have to postpone as long as possible
* to ensure the kernel VM is now running.
*/
static void
alloc_host_memory()
{
uint physaddr;
/* Set the host page for allocation.
*/
host_buffer = (uint)consistent_alloc(GFP_KERNEL, PAGE_SIZE, &physaddr);
host_end = host_buffer + PAGE_SIZE;
}
#else
void void
m8xx_cpm_reset(uint host_page_addr) m8xx_cpm_reset(uint host_page_addr)
{ {
...@@ -111,6 +167,7 @@ m8xx_cpm_reset(uint host_page_addr) ...@@ -111,6 +167,7 @@ m8xx_cpm_reset(uint host_page_addr)
*/ */
cpmp = (cpm8xx_t *)commproc; cpmp = (cpm8xx_t *)commproc;
} }
#endif
/* This is called during init_IRQ. We used to do it above, but this /* This is called during init_IRQ. We used to do it above, but this
* was too early since init_IRQ was not yet called. * was too early since init_IRQ was not yet called.
...@@ -222,6 +279,12 @@ m8xx_cpm_dpalloc(uint size) ...@@ -222,6 +279,12 @@ m8xx_cpm_dpalloc(uint size)
return(retloc); return(retloc);
} }
uint
m8xx_cpm_dpalloc_index(void)
{
return dp_alloc_base;
}
/* We also own one page of host buffer space for the allocation of /* We also own one page of host buffer space for the allocation of
* UART "fifos" and the like. * UART "fifos" and the like.
*/ */
...@@ -230,6 +293,11 @@ m8xx_cpm_hostalloc(uint size) ...@@ -230,6 +293,11 @@ m8xx_cpm_hostalloc(uint size)
{ {
uint retloc; uint retloc;
#if 1
if (host_buffer == 0)
alloc_host_memory();
#endif
if ((host_buffer + size) >= host_end) if ((host_buffer + size) >= host_end)
return(0); return(0);
......
#ifndef _cs4218_h_
/*
* Hacked version of linux/drivers/sound/dmasound/dmasound.h
*
*
* Minor numbers for the sound driver.
*
* Unfortunately Creative called the codec chip of SB as a DSP. For this
* reason the /dev/dsp is reserved for digitized audio use. There is a
* device for true DSP processors but it will be called something else.
* In v3.0 it's /dev/sndproc but this could be a temporary solution.
*/
#define _cs4218_h_
#include <linux/types.h>
#include <linux/config.h>
#define SND_NDEVS 256 /* Number of supported devices */
#define SND_DEV_CTL 0 /* Control port /dev/mixer */
#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM
synthesizer and MIDI output) */
#define SND_DEV_MIDIN 2 /* Raw midi access */
#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
#define SND_DEV_STATUS 6 /* /dev/sndstat */
/* #7 not in use now. Was in 2.4. Free for use after v3.0. */
#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
#define SND_DEV_PSS SND_DEV_SNDPROC
/* switch on various prinks */
#define DEBUG_DMASOUND 1
#define MAX_AUDIO_DEV 5
#define MAX_MIXER_DEV 4
#define MAX_SYNTH_DEV 3
#define MAX_MIDI_DEV 6
#define MAX_TIMER_DEV 3
#define MAX_CATCH_RADIUS 10
#define le2be16(x) (((x)<<8 & 0xff00) | ((x)>>8 & 0x00ff))
#define le2be16dbl(x) (((x)<<8 & 0xff00ff00) | ((x)>>8 & 0x00ff00ff))
#define IOCTL_IN(arg, ret) \
do { int error = get_user(ret, (int *)(arg)); \
if (error) return error; \
} while (0)
#define IOCTL_OUT(arg, ret) ioctl_return((int *)(arg), ret)
static inline int ioctl_return(int *addr, int value)
{
return value < 0 ? value : put_user(value, addr);
}
#define HAS_RECORD
/*
* Initialization
*/
/* description of the set-up applies to either hard or soft settings */
typedef struct {
int format; /* AFMT_* */
int stereo; /* 0 = mono, 1 = stereo */
int size; /* 8/16 bit*/
int speed; /* speed */
} SETTINGS;
/*
* Machine definitions
*/
typedef struct {
const char *name;
const char *name2;
void (*open)(void);
void (*release)(void);
void *(*dma_alloc)(unsigned int, int);
void (*dma_free)(void *, unsigned int);
int (*irqinit)(void);
#ifdef MODULE
void (*irqcleanup)(void);
#endif
void (*init)(void);
void (*silence)(void);
int (*setFormat)(int);
int (*setVolume)(int);
int (*setBass)(int);
int (*setTreble)(int);
int (*setGain)(int);
void (*play)(void);
void (*record)(void); /* optional */
void (*mixer_init)(void); /* optional */
int (*mixer_ioctl)(u_int, u_long); /* optional */
int (*write_sq_setup)(void); /* optional */
int (*read_sq_setup)(void); /* optional */
int (*sq_open)(mode_t); /* optional */
int (*state_info)(char *, size_t); /* optional */
void (*abort_read)(void); /* optional */
int min_dsp_speed;
int max_dsp_speed;
int version ;
int hardware_afmts ; /* OSS says we only return h'ware info */
/* when queried via SNDCTL_DSP_GETFMTS */
int capabilities ; /* low-level reply to SNDCTL_DSP_GETCAPS */
SETTINGS default_hard ; /* open() or init() should set something valid */
SETTINGS default_soft ; /* you can make it look like old OSS, if you want to */
} MACHINE;
/*
* Low level stuff
*/
typedef struct {
ssize_t (*ct_ulaw)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_alaw)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_s8)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_u8)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_s16be)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_u16be)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_s16le)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
ssize_t (*ct_u16le)(const u_char *, size_t, u_char *, ssize_t *, ssize_t);
} TRANS;
/*
* Sound queue stuff, the heart of the driver
*/
struct sound_queue {
/* buffers allocated for this queue */
int numBufs; /* real limits on what the user can have */
int bufSize; /* in bytes */
char **buffers;
/* current parameters */
int locked ; /* params cannot be modified when != 0 */
int user_frags ; /* user requests this many */
int user_frag_size ; /* of this size */
int max_count; /* actual # fragments <= numBufs */
int block_size; /* internal block size in bytes */
int max_active; /* in-use fragments <= max_count */
/* it shouldn't be necessary to declare any of these volatile */
int front, rear, count;
int rear_size;
/*
* The use of the playing field depends on the hardware
*
* Atari, PMac: The number of frames that are loaded/playing
*
* Amiga: Bit 0 is set: a frame is loaded
* Bit 1 is set: a frame is playing
*/
int active;
wait_queue_head_t action_queue, open_queue, sync_queue;
int open_mode;
int busy, syncing, xruns, died;
};
#define SLEEP(queue) interruptible_sleep_on_timeout(&queue, HZ)
#define WAKE_UP(queue) (wake_up_interruptible(&queue))
#endif /* _cs4218_h_ */
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...@@ -1061,3 +1061,45 @@ CONFIG_XMON ...@@ -1061,3 +1061,45 @@ CONFIG_XMON
Include in-kernel hooks for the xmon kernel monitor/debugger Include in-kernel hooks for the xmon kernel monitor/debugger
supported by the PPC port. supported by the PPC port.
CONFIG_ADVANCED_OPTIONS
This option will enable prompting for a variety of advanced kernel
configuration options. These options can cause the kernel to not
work if they are set incorrectly, but can be used to optimize certain
aspects of kernel memory management.
Unless you know what you are doing you *should not* enable this option.
CONFIG_HIGHMEM_START_BOOL
Unless you know what you are doing you *should not* set this option.
It can be used to override the default PKMAP_BASE address which
is the location of the high memory pool. This can be useful in
optimizing virtual memory usage in a system.
CONFIG_LOWMEM_SIZE_BOOL
Unless you know what you are doing you *should not* set this option.
It can be used to override the standard calculated value of
MAX_LOW_MEM. This can be useful in optimizing virtual memory usage
in a system.
CONFIG_KERNEL_START_BOOL
Unless you know what you are doing you *should not* set this option.
It can be used to override the standard PAGE_OFFSET/KERNELBASE
value used by the kernel. This can be useful in controlling
amount of virtual address space available to the kernel.
CONFIG_TASK_SIZE_BOOL
Unless you know what you are doing you *should not* set this option.
It can be used to override the standard TASK_SIZE value used
by the kernel. This can be useful in controlling amount of
virtual address space available to user tasks.
CONFIG_BOOT_LOAD_BOOL
Unless you know what you are doing you *should not* set this option.
It can be used to change the initial load address of the zImage or
zImage.initrd file. This can be useful if you are on a board which has
a small ammount of memory.
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...@@ -8,18 +8,7 @@ ...@@ -8,18 +8,7 @@
# Tom Rini January 2001 # Tom Rini January 2001
# #
.c.s: USE_STANDARD_AS_RULE := true
$(CC) $(CFLAGS) -S -o $*.s $<
.s.o:
$(AS) -o $*.o $<
.c.o:
$(CC) $(CFLAGS) -c -o $*.o $<
.S.s:
$(CPP) $(AFLAGS) -traditional -o $*.o $<
.S.o:
$(CC) $(AFLAGS) -traditional -c -o $*.o $<
OBJCOPY_ARGS = -O elf32-powerpc
coffcrt0.o: coffcrt0.o:
$(CC) $(AFLAGS) -DXCOFF -traditional -c -o coffcrt0.o crt0.S $(CC) $(AFLAGS) -DXCOFF -traditional -c -o coffcrt0.o crt0.S
......
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