diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-13 09:49:04 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-13 09:49:04 -0700 |
commit | dcf397f037f52add9945eced57ca300ab6a4413c (patch) | |
tree | e78767d164589e9097a54bf564b072fb01f80820 /drivers/serial/sh-sci.h | |
parent | 6faf035cf9fdd8283c2b2b2c34b76b5445ec6fc4 (diff) | |
parent | 68ee0f9c98a42e36f9eab29155b2bb0e7e409ac6 (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: (124 commits)
sh: allow building for both r2d boards in same binary.
sh: fix r2d board detection
sh: Discard .exit.text/.exit.data at runtime.
sh: Fix up some section alignments in linker script.
sh: Fix SH-4 DMAC CHCR masking.
sh: Rip out left-over nommu cond syscall cruft.
sh: Make kgdb i-cache flushing less inept.
sh: kgdb section mismatches and tidying.
sh: cleanup struct irqaction initializers.
sh: early_printk tidying.
video: pvr2fb: Add TV (RGB) support to Dreamcast PVR driver.
sh: Conditionalize gUSA support.
sh: Follow gUSA preempt changes in __switch_to().
sh: Tidy up gUSA preempt handling.
sh: __copy_user() optimizations for small copies.
sh: clkfwk: Support multi-level clock propagation.
sh: Fix URAM start address on SH7785.
sh: Use boot_cpu_data for CPU probe.
sh: Support extended mode TLB on SH-X3.
sh: Bump MAX_ACTIVE_REGIONS for SH7785.
...
Diffstat (limited to 'drivers/serial/sh-sci.h')
-rw-r--r-- | drivers/serial/sh-sci.h | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index cf75466ebf5..e89ae29645d 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -10,19 +10,19 @@ * Modified to support SH7300(SH-Mobile) SCIF. Takashi Kusuda (Jun 2003). * Modified to support H8/300 Series Yoshinori Sato (Feb 2004). * Removed SH7300 support (Jul 2007). + * Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Aug 2007). */ #include <linux/serial_core.h> #include <asm/io.h> -#if defined(__H8300H__) || defined(__H8300S__) #include <asm/gpio.h> + #if defined(CONFIG_H83007) || defined(CONFIG_H83068) #include <asm/regs306x.h> #endif #if defined(CONFIG_H8S2678) #include <asm/regs267x.h> #endif -#endif #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \ defined(CONFIG_CPU_SUBTYPE_SH7707) || \ @@ -46,6 +46,10 @@ */ # define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0 # define SCIF_ONLY +#elif defined(CONFIG_CPU_SUBTYPE_SH7720) +# define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ +# define SCIF_ONLY +#define SCIF_ORER 0x0200 /* overrun error bit */ #elif defined(CONFIG_SH_RTS7751R2D) # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ @@ -217,7 +221,8 @@ #define SCIF_RDF 0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ #define SCIF_DR 0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */ -#if defined(CONFIG_CPU_SUBTYPE_SH7705) +#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) #define SCIF_ORER 0x0200 #define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER) #define SCIF_RFDC_MASK 0x007f @@ -254,7 +259,8 @@ # define SCxSR_FER(port) SCIF_FER # define SCxSR_PER(port) SCIF_PER # define SCxSR_BRK(port) SCIF_BRK -#if defined(CONFIG_CPU_SUBTYPE_SH7705) +#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) # define SCxSR_RDxF_CLEAR(port) (sci_in(port,SCxSR)&0xfffc) # define SCxSR_ERROR_CLEAR(port) (sci_in(port,SCxSR)&0xfd73) # define SCxSR_TDxE_CLEAR(port) (sci_in(port,SCxSR)&0xffdf) @@ -362,7 +368,8 @@ CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size) #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) -#elif defined(CONFIG_CPU_SUBTYPE_SH7705) +#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) #define SCIF_FNS(name, scif_offset, scif_size) \ CPU_SCIF_FNS(name, scif_offset, scif_size) #else @@ -388,7 +395,8 @@ CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) #endif -#if defined(CONFIG_CPU_SUBTYPE_SH7705) +#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) SCIF_FNS(SCSMR, 0x00, 16) SCIF_FNS(SCBRR, 0x04, 8) @@ -510,7 +518,15 @@ static inline void set_sh771x_scif_pfc(struct uart_port *port) return; } } - +#elif defined(CONFIG_CPU_SUBTYPE_SH7720) +static inline int sci_rxd_in(struct uart_port *port) +{ + if (port->mapbase == 0xa4430000) + return sci_in(port, SCxSR) & 0x0003 ? 1 : 0; + else if (port->mapbase == 0xa4438000) + return sci_in(port, SCxSR) & 0x0003 ? 1 : 0; + return 1; +} #elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \ defined(CONFIG_CPU_SUBTYPE_SH7751) || \ defined(CONFIG_CPU_SUBTYPE_SH7751R) || \ @@ -653,6 +669,7 @@ static inline int sci_rxd_in(struct uart_port *port) return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */ if (port->mapbase == 0xffc60000) return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */ + return 1; } #endif @@ -691,7 +708,8 @@ static inline int sci_rxd_in(struct uart_port *port) #if defined(CONFIG_CPU_SUBTYPE_SH7780) || \ defined(CONFIG_CPU_SUBTYPE_SH7785) #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1) -#elif defined(CONFIG_CPU_SUBTYPE_SH7705) +#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \ + defined(CONFIG_CPU_SUBTYPE_SH7720) #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) #elif defined(__H8300H__) || defined(__H8300S__) #define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1) |