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author | Paul Mundt <lethal@linux-sh.org> | 2011-06-01 07:47:42 +0200 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-06 05:40:16 +0200 |
commit | ab7cfb5548d22604fafeaaa95950be2f97869f1e (patch) | |
tree | c527fc74ca98350b90510e73f6fc68e18e81da32 /drivers/tty/serial/sh-sci.h | |
parent | Merge branch 'for-linus' of git://android.git.kernel.org/kernel/tegra (diff) | |
download | linux-ab7cfb5548d22604fafeaaa95950be2f97869f1e.tar.xz linux-ab7cfb5548d22604fafeaaa95950be2f97869f1e.zip |
serial: sh-sci: Kill off bitrotted H8/300 support.
h8300 has never been updated upstream to support the conversion to the
driver model (which happened mid-2.5), and it doesn't seem likely that it
ever will. Kill off the remaining bitrotted support to reduce the
maintenance burden going forward.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/tty/serial/sh-sci.h')
-rw-r--r-- | drivers/tty/serial/sh-sci.h | 103 |
1 files changed, 11 insertions, 92 deletions
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h index b04d937c9110..4dc249ecc59f 100644 --- a/drivers/tty/serial/sh-sci.h +++ b/drivers/tty/serial/sh-sci.h @@ -2,13 +2,6 @@ #include <linux/io.h> #include <linux/gpio.h> -#if defined(CONFIG_H83007) || defined(CONFIG_H83068) -#include <asm/regs306x.h> -#endif -#if defined(CONFIG_H8S2678) -#include <asm/regs267x.h> -#endif - #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \ defined(CONFIG_CPU_SUBTYPE_SH7707) || \ defined(CONFIG_CPU_SUBTYPE_SH7708) || \ @@ -72,10 +65,6 @@ #elif defined(CONFIG_CPU_SUBTYPE_SH4_202) # define SCSPTR2 0xffe80020 /* 16 bit SCIF */ # define SCIF_ORER 0x0001 /* overrun error bit */ -#elif defined(CONFIG_H83007) || defined(CONFIG_H83068) -# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port) -#elif defined(CONFIG_H8S2678) -# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port) #elif defined(CONFIG_CPU_SUBTYPE_SH7757) # define SCSPTR0 0xfe4b0020 # define SCIF_ORER 0x0001 @@ -223,17 +212,6 @@ } \ } -#ifdef CONFIG_H8300 -/* h8300 don't have SCIF */ -#define CPU_SCIF_FNS(name) \ - static inline unsigned int sci_##name##_in(struct uart_port *port) \ - { \ - return 0; \ - } \ - static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \ - { \ - } -#else #define CPU_SCIF_FNS(name, scif_offset, scif_size) \ static inline unsigned int sci_##name##_in(struct uart_port *port) \ { \ @@ -243,7 +221,6 @@ { \ SCI_OUT(scif_size, scif_offset, value); \ } -#endif #define CPU_SCI_FNS(name, sci_offset, sci_size) \ static inline unsigned int sci_##name##_in(struct uart_port* port) \ @@ -262,8 +239,7 @@ defined(CONFIG_ARCH_SH7372) #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \ - sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \ - h8_sci_offset, h8_sci_size) \ + sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ 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) @@ -282,19 +258,11 @@ CPU_SCIF_FNS(name, scif_offset, scif_size) #else #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \ - sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \ - h8_sci_offset, h8_sci_size) \ + sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size) #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size) #endif -#elif defined(__H8300H__) || defined(__H8300S__) -#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \ - sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \ - h8_sci_offset, h8_sci_size) \ - CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size) -#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ - CPU_SCIF_FNS(name) #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\ defined(CONFIG_CPU_SUBTYPE_SH7724) #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \ @@ -303,8 +271,7 @@ CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) #else #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \ - sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \ - h8_sci_offset, h8_sci_size) \ + sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \ 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) @@ -353,14 +320,14 @@ SCIF_FNS(SCFCR, 0x18, 16) SCIF_FNS(SCFDR, 0x1c, 16) SCIF_FNS(SCLSR, 0x24, 16) #else -/* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/ -/* name off sz off sz off sz off sz off sz*/ -SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16, 0x00, 8) -SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8, 0x01, 8) -SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16, 0x02, 8) -SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8) -SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8) -SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8) +/* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 */ +/* name off sz off sz off sz off sz */ +SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16) +SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8) +SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16) +SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8) +SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16) +SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8) SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16) #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \ defined(CONFIG_CPU_SUBTYPE_SH7780) || \ @@ -390,48 +357,6 @@ SCIF_FNS(SCLSR, 0, 0, 0x24, 16) #define sci_in(port, reg) sci_##reg##_in(port) #define sci_out(port, reg, value) sci_##reg##_out(port, value) -/* H8/300 series SCI pins assignment */ -#if defined(__H8300H__) || defined(__H8300S__) -static const struct __attribute__((packed)) { - int port; /* GPIO port no */ - unsigned short rx,tx; /* GPIO bit no */ -} h8300_sci_pins[] = { -#if defined(CONFIG_H83007) || defined(CONFIG_H83068) - { /* SCI0 */ - .port = H8300_GPIO_P9, - .rx = H8300_GPIO_B2, - .tx = H8300_GPIO_B0, - }, - { /* SCI1 */ - .port = H8300_GPIO_P9, - .rx = H8300_GPIO_B3, - .tx = H8300_GPIO_B1, - }, - { /* SCI2 */ - .port = H8300_GPIO_PB, - .rx = H8300_GPIO_B7, - .tx = H8300_GPIO_B6, - } -#elif defined(CONFIG_H8S2678) - { /* SCI0 */ - .port = H8300_GPIO_P3, - .rx = H8300_GPIO_B2, - .tx = H8300_GPIO_B0, - }, - { /* SCI1 */ - .port = H8300_GPIO_P3, - .rx = H8300_GPIO_B3, - .tx = H8300_GPIO_B1, - }, - { /* SCI2 */ - .port = H8300_GPIO_P5, - .rx = H8300_GPIO_B1, - .tx = H8300_GPIO_B0, - } -#endif -}; -#endif - #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \ defined(CONFIG_CPU_SUBTYPE_SH7707) || \ defined(CONFIG_CPU_SUBTYPE_SH7708) || \ @@ -454,12 +379,6 @@ static inline int sci_rxd_in(struct uart_port *port) return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */ return 1; } -#elif defined(__H8300H__) || defined(__H8300S__) -static inline int sci_rxd_in(struct uart_port *port) -{ - int ch = (port->mapbase - SMR0) >> 3; - return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0; -} #else /* default case for non-SCI processors */ static inline int sci_rxd_in(struct uart_port *port) { |