sh: Add SH7263 CPU support.

This adds support for the SH7263 (SH-2A) CPU.

This particular CPU is a superset of SH7203, adding some additional
peripheral blocks and hooking up additional (reserved on SH7203)
vectors in the INTC block.

No visibly nasty surprises, yet..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -166,6 +166,10 @@ config CPU_SUBTYPE_SH7206
 	bool "Support SH7206 processor"
 	select CPU_SH2A
 
+config CPU_SUBTYPE_SH7263
+	bool "Support SH7263 processor"
+	select CPU_SH2A
+
 # SH-3 Processor Support
 
 config CPU_SUBTYPE_SH7705
@@ -560,7 +564,8 @@ config SH_PCLK_FREQ
 	default "32000000" if CPU_SUBTYPE_SH7722
 	default "33333333" if CPU_SUBTYPE_SH7770 || \
 			      CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
-			      CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206
+			      CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
+			      CPU_SUBTYPE_SH7263
 	default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
 	default "66000000" if CPU_SUBTYPE_SH4_202
 	default "50000000"

arch/sh/Kconfig.debug

@@ -33,7 +33,7 @@ config EARLY_SCIF_CONSOLE_PORT
 	default "0xffe00000" if CPU_SUBTYPE_SH7780
 	default "0xffea0000" if CPU_SUBTYPE_SH7785
 	default "0xfffe8000" if CPU_SUBTYPE_SH7203
-	default "0xfffe9800" if CPU_SUBTYPE_SH7206
+	default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
 	default "0xf8420000" if CPU_SUBTYPE_SH7619
 	default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
 	default "0xa4430000" if CPU_SUBTYPE_SH7720

arch/sh/kernel/cpu/sh2a/Makefile

@@ -8,3 +8,4 @@ common-y	+= $(addprefix ../sh2/, ex.o entry.o)
 
 obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7203) += setup-sh7203.o clock-sh7203.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7263) += setup-sh7203.o clock-sh7203.o

arch/sh/kernel/cpu/sh2a/probe.c

@@ -22,6 +22,9 @@ int __init detect_cpu_and_cache_system(void)
 	boot_cpu_data.type			= CPU_SH7203;
 	/* SH7203 has an FPU.. */
 	boot_cpu_data.flags			|= CPU_HAS_FPU;
+#elif defined(CONFIG_CPU_SUBTYPE_SH7263)
+	boot_cpu_data.type			= CPU_SH7263;
+	boot_cpu_data.flags			|= CPU_HAS_FPU;
 #elif defined(CONFIG_CPU_SUBTYPE_SH7206)
 	boot_cpu_data.type			= CPU_SH7206;
 	/* While SH7206 has a DSP.. */

arch/sh/kernel/cpu/sh2a/setup-sh7203.c

 /*
- * SH7203 Setup
+ * SH7203 and SH7263 Setup
  *
  *  Copyright (C) 2007  Paul Mundt
  *
@@ -41,17 +41,27 @@ enum {
 	SSU0_SSERI, SSU0_SSRXI, SSU0_SSTXI,
 	SSU1_SSERI, SSU1_SSRXI, SSU1_SSTXI,
 	SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
+
+	/* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
+	ROMDEC_ISY, ROMDEC_IERR, ROMDEC_IARG, ROMDEC_ISEC, ROMDEC_IBUF,
+	ROMDEC_IREADY,
+
 	FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+
+	SDHI3, SDHI0, SDHI1,
+
 	RTC_ARM, RTC_PRD, RTC_CUP,
 	RCAN0_ERS, RCAN0_OVR, RCAN0_RM0, RCAN0_RM1, RCAN0_SLE,
 	RCAN1_ERS, RCAN1_OVR, RCAN1_RM0, RCAN1_RM1, RCAN1_SLE,
 
+	SRC_OVF, SRC_ODFI, SRC_IDEI, IEBI,
+
 	/* interrupt groups */
 	PINT, DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
 	MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
 	MTU3_ABCD, MTU4_ABCD,
 	IIC30, IIC31, IIC32, IIC33, SCIF0, SCIF1, SCIF2, SCIF3,
-	SSU0, SSU1, FLCTL, RTC, RCAN0, RCAN1
+	SSU0, SSU1, ROMDEC, SDHI, FLCTL, RTC, RCAN0, RCAN1, SRC
 };
 
 static struct intc_vect vectors[] __initdata = {
@@ -125,6 +135,20 @@ static struct intc_vect vectors[] __initdata = {
 	INTC_IRQ(RCAN1_ERS, 239), INTC_IRQ(RCAN1_OVR, 240),
 	INTC_IRQ(RCAN1_RM0, 241), INTC_IRQ(RCAN1_RM1, 242),
 	INTC_IRQ(RCAN1_SLE, 243),
+
+	/* SH7263-specific trash */
+#ifdef CONFIG_CPU_SUBTYPE_SH7263
+	INTC_IRQ(ROMDEC_ISY, 218), INTC_IRQ(ROMDEC_IERR, 219),
+	INTC_IRQ(ROMDEC_IARG, 220), INTC_IRQ(ROMDEC_ISEC, 221),
+	INTC_IRQ(ROMDEC_IBUF, 222), INTC_IRQ(ROMDEC_IREADY, 223),
+
+	INTC_IRQ(SDHI3, 228), INTC_IRQ(SDHI0, 229), INTC_IRQ(SDHI1, 230),
+
+	INTC_IRQ(SRC_OVF, 244), INTC_IRQ(SRC_ODFI, 245),
+	INTC_IRQ(SRC_IDEI, 246),
+
+	INTC_IRQ(IEBI, 247),
+#endif
 };
 
 static struct intc_group groups[] __initdata = {
@@ -167,6 +191,13 @@ static struct intc_group groups[] __initdata = {
 		   RCAN0_SLE),
 	INTC_GROUP(RCAN1, RCAN1_ERS, RCAN1_OVR, RCAN1_RM0, RCAN1_RM1,
 		   RCAN1_SLE),
+
+#ifdef CONFIG_CPU_SUBTYPE_SH7263
+	INTC_GROUP(ROMDEC, ROMDEC_ISY, ROMDEC_IERR, ROMDEC_IARG,
+		   ROMDEC_ISEC, ROMDEC_IBUF, ROMDEC_IREADY),
+	INTC_GROUP(SDHI, SDHI3, SDHI0, SDHI1),
+	INTC_GROUP(SRC, SRC_OVF, SRC_ODFI, SRC_IDEI),
+#endif
 };
 
 static struct intc_prio_reg prio_registers[] __initdata = {
@@ -184,10 +215,17 @@ static struct intc_prio_reg prio_registers[] __initdata = {
 	{ 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
 	{ 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
 	{ 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
+#ifdef CONFIG_CPU_SUBTYPE_SH7203
 	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 					      SSI3_SSII, 0 } },
 	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
 	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
+#else
+	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
+					      SSI3_SSII, ROMDEC } },
+	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
+	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
+#endif
 };
 
 static struct intc_mask_reg mask_registers[] __initdata = {

arch/sh/kernel/setup.c

@@ -294,7 +294,7 @@ void __init setup_arch(char **cmdline_p)
 }
 
 static const char *cpu_name[] = {
-	[CPU_SH7203]	= "SH7203",
+	[CPU_SH7203]	= "SH7203",	[CPU_SH7263]	= "SH7263",
 	[CPU_SH7206]	= "SH7206",	[CPU_SH7619]	= "SH7619",
 	[CPU_SH7705]	= "SH7705",	[CPU_SH7706]	= "SH7706",
 	[CPU_SH7707]	= "SH7707",	[CPU_SH7708]	= "SH7708",

arch/sh/kernel/timers/timer-cmt.c

@@ -31,7 +31,9 @@
 #define cmt_clock_enable() do {	ctrl_outb(ctrl_inb(STBCR3) & ~0x10, STBCR3); } while(0)
 #define CMT_CMCSR_INIT	0x0040
 #define CMT_CMCSR_CALIB	0x0000
-#elif defined(CONFIG_CPU_SUBTYPE_SH7203) || defined(CONFIG_CPU_SUBTYPE_SH7206)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7203) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7206) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7263)
 #define CMT_CMSTR	0xfffec000
 #define CMT_CMCSR_0	0xfffec002
 #define CMT_CMCNT_0	0xfffec004

drivers/serial/sh-sci.h

@@ -143,7 +143,8 @@
 # define SCSCR_INIT(port)	0x3a	/* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 # define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7203) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7206)
+      defined(CONFIG_CPU_SUBTYPE_SH7206) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7263)
 # define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
 # define SCSPTR1 0xfffe8820 /* 16 bit SCIF */
 # define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
@@ -619,7 +620,8 @@ static inline int sci_rxd_in(struct uart_port *port)
 	return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7203) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7206)
+      defined(CONFIG_CPU_SUBTYPE_SH7206) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7263)
 static inline int sci_rxd_in(struct uart_port *port)
 {
 	if (port->mapbase == 0xfffe8000)

include/asm-sh/bugs.h

@@ -25,7 +25,7 @@ static void __init check_bugs(void)
 	case CPU_SH7619:
 		*p++ = '2';
 		break;
-	case CPU_SH7203 ... CPU_SH7206:
+	case CPU_SH7203 ... CPU_SH7263:
 		*p++ = '2';
 		*p++ = 'a';
 		break;

include/asm-sh/processor.h

@@ -17,7 +17,7 @@ enum cpu_type {
 	CPU_SH7619,
 
 	/* SH-2A types */
-	CPU_SH7203, CPU_SH7206,
+	CPU_SH7203, CPU_SH7206, CPU_SH7263,
 
 	/* SH-3 types */
 	CPU_SH7705, CPU_SH7706, CPU_SH7707,