diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-09 11:07:58 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-09 11:07:58 -0400 |
commit | a9545ee3c8153e133556aaaa8110337ca3f864dc (patch) | |
tree | 0a172f74b37b239d850b8b363683e191511bc87a /drivers/serial | |
parent | c20b4b69f774896623a8ad87d974982bc89af7ed (diff) | |
parent | 9731e287e08b804592191d8bffaad023154af2aa (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (37 commits)
SH: catch negative denormal_subf1() retval in denormal_add()
sh: Fix DMAC base address for SH7709S
sh: update smc91x platform data for se7206.
sh: Stub in cpu_to_node() and friends for NUMA build.
sh: intc register modify fix
sh: no high level trigger on some sh3 cpus
sh: clean up sh7710 and sh7720 intc tables
sh: add interrupt ack code to sh3
sh: unify external irq pin code for sh3
sh-sci: avoid writing to nonexistent registers
sh-sci: sh7722 lacks scsptr registers
sh-sci: improve sh7722 support
sh: reset hardware from early printk
sh: drain and wait for early printk
sh: use sci_out() for early printk
sh: add memory resources to /proc/iomem
sh: add kernel bss resource
sh: fix sh7705 interrupt vector typo
sh: update smc91x platform data for se7722
sh: update smc91x platform data for MigoR
...
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/sh-sci.c | 32 | ||||
-rw-r--r-- | drivers/serial/sh-sci.h | 27 |
2 files changed, 36 insertions, 23 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 969106187718..8fdafc27fce8 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c | |||
@@ -42,14 +42,12 @@ | |||
42 | #include <linux/console.h> | 42 | #include <linux/console.h> |
43 | #include <linux/platform_device.h> | 43 | #include <linux/platform_device.h> |
44 | #include <linux/serial_sci.h> | 44 | #include <linux/serial_sci.h> |
45 | |||
46 | #ifdef CONFIG_CPU_FREQ | ||
47 | #include <linux/notifier.h> | 45 | #include <linux/notifier.h> |
48 | #include <linux/cpufreq.h> | 46 | #include <linux/cpufreq.h> |
49 | #endif | 47 | #include <linux/clk.h> |
50 | |||
51 | #if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) | ||
52 | #include <linux/ctype.h> | 48 | #include <linux/ctype.h> |
49 | |||
50 | #ifdef CONFIG_SUPERH | ||
53 | #include <asm/clock.h> | 51 | #include <asm/clock.h> |
54 | #include <asm/sh_bios.h> | 52 | #include <asm/sh_bios.h> |
55 | #include <asm/kgdb.h> | 53 | #include <asm/kgdb.h> |
@@ -80,7 +78,7 @@ struct sci_port { | |||
80 | struct timer_list break_timer; | 78 | struct timer_list break_timer; |
81 | int break_flag; | 79 | int break_flag; |
82 | 80 | ||
83 | #if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64) | 81 | #ifdef CONFIG_SUPERH |
84 | /* Port clock */ | 82 | /* Port clock */ |
85 | struct clk *clk; | 83 | struct clk *clk; |
86 | #endif | 84 | #endif |
@@ -365,21 +363,19 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) | |||
365 | static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) | 363 | static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag) |
366 | { | 364 | { |
367 | unsigned int fcr_val = 0; | 365 | unsigned int fcr_val = 0; |
366 | unsigned short data; | ||
368 | 367 | ||
369 | if (cflag & CRTSCTS) { | 368 | if (port->mapbase == 0xffe00000) { |
370 | fcr_val |= SCFCR_MCE; | 369 | data = ctrl_inw(PSCR); |
371 | 370 | data &= ~0x03cf; | |
372 | ctrl_outw(0x0000, PORT_PSCR); | 371 | if (cflag & CRTSCTS) |
373 | } else { | 372 | fcr_val |= SCFCR_MCE; |
374 | unsigned short data; | 373 | else |
375 | 374 | data |= 0x0340; | |
376 | data = ctrl_inw(PORT_PSCR); | ||
377 | data &= 0x033f; | ||
378 | data |= 0x0400; | ||
379 | ctrl_outw(data, PORT_PSCR); | ||
380 | 375 | ||
381 | ctrl_outw(ctrl_inw(SCSPTR0) & 0x17, SCSPTR0); | 376 | ctrl_outw(data, PSCR); |
382 | } | 377 | } |
378 | /* SCIF1 and SCIF2 should be setup by board code */ | ||
383 | 379 | ||
384 | sci_out(port, SCFCR, fcr_val); | 380 | sci_out(port, SCFCR, fcr_val); |
385 | } | 381 | } |
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index fa8700a968fc..eb84833233fd 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h | |||
@@ -76,12 +76,13 @@ | |||
76 | # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */ | 76 | # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */ |
77 | # define SCIF_ONLY | 77 | # define SCIF_ONLY |
78 | #elif defined(CONFIG_CPU_SUBTYPE_SH7722) | 78 | #elif defined(CONFIG_CPU_SUBTYPE_SH7722) |
79 | # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ | 79 | # define PADR 0xA4050120 |
80 | # define SCSPTR0 SCPDR0 | 80 | # define PSDR 0xA405013e |
81 | # define PWDR 0xA4050166 | ||
82 | # define PSCR 0xA405011E | ||
81 | # define SCIF_ORER 0x0001 /* overrun error bit */ | 83 | # define SCIF_ORER 0x0001 /* overrun error bit */ |
82 | # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ | 84 | # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ |
83 | # define SCIF_ONLY | 85 | # define SCIF_ONLY |
84 | # define PORT_PSCR 0xA405011E | ||
85 | #elif defined(CONFIG_CPU_SUBTYPE_SH7366) | 86 | #elif defined(CONFIG_CPU_SUBTYPE_SH7366) |
86 | # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ | 87 | # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */ |
87 | # define SCSPTR0 SCPDR0 | 88 | # define SCSPTR0 SCPDR0 |
@@ -320,7 +321,7 @@ | |||
320 | unsigned int addr = port->mapbase + (offset); \ | 321 | unsigned int addr = port->mapbase + (offset); \ |
321 | if ((size) == 8) { \ | 322 | if ((size) == 8) { \ |
322 | ctrl_outb(value, addr); \ | 323 | ctrl_outb(value, addr); \ |
323 | } else { \ | 324 | } else if ((size) == 16) { \ |
324 | ctrl_outw(value, addr); \ | 325 | ctrl_outw(value, addr); \ |
325 | } | 326 | } |
326 | 327 | ||
@@ -451,7 +452,11 @@ SCIF_FNS(SCSPTR, 0, 0, 0x24, 16) | |||
451 | SCIF_FNS(SCLSR, 0, 0, 0x28, 16) | 452 | SCIF_FNS(SCLSR, 0, 0, 0x28, 16) |
452 | #else | 453 | #else |
453 | SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) | 454 | SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16) |
455 | #if defined(CONFIG_CPU_SUBTYPE_SH7722) | ||
456 | SCIF_FNS(SCSPTR, 0, 0, 0, 0) | ||
457 | #else | ||
454 | SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) | 458 | SCIF_FNS(SCSPTR, 0, 0, 0x20, 16) |
459 | #endif | ||
455 | SCIF_FNS(SCLSR, 0, 0, 0x24, 16) | 460 | SCIF_FNS(SCLSR, 0, 0, 0x24, 16) |
456 | #endif | 461 | #endif |
457 | #endif | 462 | #endif |
@@ -593,13 +598,25 @@ static inline int sci_rxd_in(struct uart_port *port) | |||
593 | return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ | 598 | return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ |
594 | return 1; | 599 | return 1; |
595 | } | 600 | } |
596 | #elif defined(CONFIG_CPU_SUBTYPE_SH7722) || defined(CONFIG_CPU_SUBTYPE_SH7366) | 601 | #elif defined(CONFIG_CPU_SUBTYPE_SH7366) |
597 | static inline int sci_rxd_in(struct uart_port *port) | 602 | static inline int sci_rxd_in(struct uart_port *port) |
598 | { | 603 | { |
599 | if (port->mapbase == 0xffe00000) | 604 | if (port->mapbase == 0xffe00000) |
600 | return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */ | 605 | return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */ |
601 | return 1; | 606 | return 1; |
602 | } | 607 | } |
608 | #elif defined(CONFIG_CPU_SUBTYPE_SH7722) | ||
609 | static inline int sci_rxd_in(struct uart_port *port) | ||
610 | { | ||
611 | if (port->mapbase == 0xffe00000) | ||
612 | return ctrl_inb(PSDR) & 0x02 ? 1 : 0; /* SCIF0 */ | ||
613 | if (port->mapbase == 0xffe10000) | ||
614 | return ctrl_inb(PADR) & 0x40 ? 1 : 0; /* SCIF1 */ | ||
615 | if (port->mapbase == 0xffe20000) | ||
616 | return ctrl_inb(PWDR) & 0x04 ? 1 : 0; /* SCIF2 */ | ||
617 | |||
618 | return 1; | ||
619 | } | ||
603 | #elif defined(CONFIG_CPU_SUBTYPE_SH7723) | 620 | #elif defined(CONFIG_CPU_SUBTYPE_SH7723) |
604 | static inline int sci_rxd_in(struct uart_port *port) | 621 | static inline int sci_rxd_in(struct uart_port *port) |
605 | { | 622 | { |