lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

sh: Add SH7720 CPU support.

Browse Source 
This adds support for the SH7720 (SH3-DSP) CPU.

Signed-off by: Markus Brunner <super.firetwister@gmail.com>
Signed-off by: Mark Jonas <toertel@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Markus Brunner
2007-08-20 08:59:33 +09:00
committed by Paul Mundt
parent dfc5ed2a93
commit 3ea6bc3de4
18 changed files with 359 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/serial/sh-sci.h
View File

@@ -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) || \
@@ -692,7 +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)