Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-15 18:04:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PATCH] ppc64: Take udbg out of ppc_md

Browse Source 
Take udbg out of ppc_md. Allows us to not overwrite early udbg inits
when assigning ppc_md.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Milton Miller 2005-09-06 11:56:42 +10:00 committed by Paul Mackerras
parent 7f853352e7
commit c8f1c8be62
9 changed files with 52 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
arch/ppc64/kernel/pSeries_lpar.c
View File

@ -192,9 +192,9 @@ static unsigned char udbg_getcLP(void)
void udbg_init_debug_lpar(void)
{
vtermno = 0;
ppc_md.udbg_putc = udbg_putcLP;
ppc_md.udbg_getc = udbg_getcLP;
ppc_md.udbg_getc_poll = udbg_getc_pollLP;
udbg_putc = udbg_putcLP;
udbg_getc = udbg_getcLP;
udbg_getc_poll = udbg_getc_pollLP;
}
/* returns 0 if couldn't find or use /chosen/stdout as console */
@ -227,18 +227,18 @@ int find_udbg_vterm(void)
termno = (u32 *)get_property(stdout_node, "reg", NULL);
if (termno) {
vtermno = termno[0];
ppc_md.udbg_putc = udbg_putcLP;
ppc_md.udbg_getc = udbg_getcLP;
ppc_md.udbg_getc_poll = udbg_getc_pollLP;
udbg_putc = udbg_putcLP;
udbg_getc = udbg_getcLP;
udbg_getc_poll = udbg_getc_pollLP;
found = 1;
}
} else if (device_is_compatible(stdout_node, "hvterm-protocol")) {
termno = (u32 *)get_property(stdout_node, "reg", NULL);
if (termno) {
vtermno = termno[0];
ppc_md.udbg_putc = udbg_hvsi_putc;
ppc_md.udbg_getc = udbg_hvsi_getc;
ppc_md.udbg_getc_poll = udbg_hvsi_getc_poll;
udbg_putc = udbg_hvsi_putc;
udbg_getc = udbg_hvsi_getc;
udbg_getc_poll = udbg_hvsi_getc_poll;
found = 1;
}
}

9
arch/ppc64/kernel/pmac_setup.c
View File

@ -332,16 +332,13 @@ static void __init pmac_init_early(void)
sccdbg = 1;
udbg_init_scc(NULL);
}
else {
#ifdef CONFIG_BOOTX_TEXT
else {
init_boot_display();
ppc_md.udbg_putc = btext_putc;
ppc_md.udbg_getc = NULL;
ppc_md.udbg_getc_poll = NULL;
#endif /* CONFIG_BOOTX_TEXT */
udbg_putc = btext_putc;
}
#endif /* CONFIG_BOOTX_TEXT */
/* Setup interrupt mapping options */
ppc64_interrupt_controller = IC_OPEN_PIC;

8
arch/ppc64/kernel/setup.c
View File

@ -89,7 +89,7 @@ extern void udbg_init_maple_realmode(void);
#define EARLY_DEBUG_INIT() udbg_init_maple_realmode()
#define EARLY_DEBUG_INIT() udbg_init_pmac_realmode()
#define EARLY_DEBUG_INIT() \
do { ppc_md.udbg_putc = call_rtas_display_status_delay; } while(0)
do { udbg_putc = call_rtas_display_status_delay; } while(0)
#endif
/* extern void *stab; */
@ -425,12 +425,6 @@ void __init early_setup(unsigned long dt_ptr)
}
ppc_md = **mach;
/* our udbg callbacks got overriden by the above, let's put them
* back in. Ultimately, I want those things to be split from the
* main ppc_md
*/
EARLY_DEBUG_INIT();
DBG("Found, Initializing memory management...\n");
/*

16
arch/ppc64/kernel/udbg.c
View File

@ -20,14 +20,18 @@
#include <asm/io.h>
#include <asm/prom.h>
void (*udbg_putc)(unsigned char c);
unsigned char (*udbg_getc)(void);
int (*udbg_getc_poll)(void);
void udbg_puts(const char *s)
{
if (ppc_md.udbg_putc) {
if (udbg_putc) {
char c;
if (s && *s != '\0') {
while ((c = *s++) != '\0')
ppc_md.udbg_putc(c);
udbg_putc(c);
}
}
#if 0
@ -42,12 +46,12 @@ int udbg_write(const char *s, int n)
int remain = n;
char c;
if (!ppc_md.udbg_putc)
if (!udbg_putc)
return 0;
if (s && *s != '\0') {
while (((c = *s++) != '\0') && (remain-- > 0)) {
ppc_md.udbg_putc(c);
udbg_putc(c);
}
}
@ -59,12 +63,12 @@ int udbg_read(char *buf, int buflen)
char c, *p = buf;
int i;
if (!ppc_md.udbg_getc)
if (!udbg_getc)
return 0;
for (i = 0; i < buflen; ++i) {
do {
c = ppc_md.udbg_getc();
c = udbg_getc();
} while (c == 0x11 || c == 0x13);
if (c == 0)
break;

12
arch/ppc64/kernel/udbg_16550.c
View File

@ -99,9 +99,9 @@ void udbg_init_uart(void __iomem *comport, unsigned int speed)
out_8(&udbg_comport->lcr, 0x03); /* 8 data, 1 stop, no parity */
out_8(&udbg_comport->mcr, 0x03); /* RTS/DTR */
out_8(&udbg_comport->fcr ,0x07); /* Clear & enable FIFOs */
ppc_md.udbg_putc = udbg_550_putc;
ppc_md.udbg_getc = udbg_550_getc;
ppc_md.udbg_getc_poll = udbg_550_getc_poll;
udbg_putc = udbg_550_putc;
udbg_getc = udbg_550_getc;
udbg_getc_poll = udbg_550_getc_poll;
}
}
@ -121,8 +121,8 @@ void udbg_init_maple_realmode(void)
{
udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8;
ppc_md.udbg_putc = udbg_maple_real_putc;
ppc_md.udbg_getc = NULL;
ppc_md.udbg_getc_poll = NULL;
udbg_putc = udbg_maple_real_putc;
udbg_getc = NULL;
udbg_getc_poll = NULL;
}
#endif /* CONFIG_PPC_MAPLE */

12
arch/ppc64/kernel/udbg_scc.c
View File

@ -111,9 +111,9 @@ void udbg_init_scc(struct device_node *np)
for (i = 0; i < sizeof(scc_inittab); ++i)
out_8(sccc, scc_inittab[i]);
ppc_md.udbg_putc = udbg_scc_putc;
ppc_md.udbg_getc = udbg_scc_getc;
ppc_md.udbg_getc_poll = udbg_scc_getc_poll;
udbg_putc = udbg_scc_putc;
udbg_getc = udbg_scc_getc;
udbg_getc_poll = udbg_scc_getc_poll;
udbg_puts("Hello World !\n");
}
@ -132,7 +132,7 @@ void udbg_init_pmac_realmode(void)
sccc = (volatile u8 __iomem *)0x80013020ul;
sccd = (volatile u8 __iomem *)0x80013030ul;
ppc_md.udbg_putc = udbg_real_scc_putc;
ppc_md.udbg_getc = NULL;
ppc_md.udbg_getc_poll = NULL;
udbg_putc = udbg_real_scc_putc;
udbg_getc = NULL;
udbg_getc_poll = NULL;
}

4
arch/ppc64/xmon/start.c
View File

@ -61,8 +61,8 @@ xmon_read(void *handle, void *ptr, int nb)
int
xmon_read_poll(void)
{
if (ppc_md.udbg_getc_poll)
return ppc_md.udbg_getc_poll();
if (udbg_getc_poll)
return udbg_getc_poll();
return -1;
}

5
include/asm-ppc64/machdep.h
View File

@ -103,11 +103,6 @@ struct machdep_calls {
void (*progress)(char *, unsigned short);
/* Debug interface. Low level I/O to some terminal device */
void (*udbg_putc)(unsigned char c);
unsigned char (*udbg_getc)(void);
int (*udbg_getc_poll)(void);
/* Interface for platform error logging */
void (*log_error)(char *buf, unsigned int err_type, int fatal);

27
include/asm-ppc64/udbg.h
View File

@ -12,17 +12,20 @@
* 2 of the License, or (at your option) any later version.
*/
void udbg_init_uart(void __iomem *comport, unsigned int speed);
void udbg_putc(unsigned char c);
unsigned char udbg_getc(void);
int udbg_getc_poll(void);
void udbg_puts(const char *s);
int udbg_write(const char *s, int n);
int udbg_read(char *buf, int buflen);
struct console;
void udbg_console_write(struct console *con, const char *s, unsigned int n);
void udbg_printf(const char *fmt, ...);
void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
unsigned long udbg_ifdebug(unsigned long flags);
extern void (*udbg_putc)(unsigned char c);
extern unsigned char (*udbg_getc)(void);
extern int (*udbg_getc_poll)(void);
extern void udbg_puts(const char *s);
extern int udbg_write(const char *s, int n);
extern int udbg_read(char *buf, int buflen);
struct console;
extern void udbg_console_write(struct console *con, const char *s, unsigned int n);
extern void udbg_printf(const char *fmt, ...);
extern void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
extern unsigned long udbg_ifdebug(unsigned long flags);
extern void udbg_init_uart(void __iomem *comport, unsigned int speed);
#endif