sh: Add support for SH7786 CPU subtype.

This adds preliminary support for the SH7786 CPU subtype.

While this is a dual-core CPU, only UP is supported for now. L2 cache
support is likewise not yet implemented.

More information on this particular CPU subtype is available at:

	http://www.renesas.com/fmwk.jsp?cnt=sh7786_root.jsp&fp=/products/mpumcu/superh_family/sh7780_series/sh7786_group/

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -356,6 +356,13 @@ config CPU_SUBTYPE_SH7785
 	select ARCH_SPARSEMEM_ENABLE
 	select SYS_SUPPORTS_NUMA
 
+config CPU_SUBTYPE_SH7786
+	bool "Support SH7786 processor"
+	select CPU_SH4A
+	select CPU_SHX2
+	select ARCH_SPARSEMEM_ENABLE
+	select SYS_SUPPORTS_NUMA
+
 config CPU_SUBTYPE_SHX3
 	bool "Support SH-X3 processor"
 	select CPU_SH4A

arch/sh/include/asm/processor.h

@@ -31,7 +31,7 @@ enum cpu_type {
 	CPU_SH7760, CPU_SH4_202, CPU_SH4_501,
 
 	/* SH-4A types */
-	CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785,
+	CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786,
 	CPU_SH7723, CPU_SHX3,
 
 	/* SH4AL-DSP types */

arch/sh/include/cpu-sh4/cpu/freq.h

@@ -29,6 +29,10 @@
 #define FRQCR0			0xffc80000
 #define FRQCR1			0xffc80004
 #define FRQMR1			0xffc80014
+#elif defined(CONFIG_CPU_SUBTYPE_SH7786)
+#define FRQCR0			0xffc40000
+#define FRQCR1			0xffc40004
+#define FRQMR1			0xffc40014
 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
 #define FRQCR			0xffc00014
 #else

arch/sh/include/cpu-sh4/cpu/sh7786.h

@@ -0,0 +1,192 @@
+/*
+ * SH7786 Pinmux
+ *
+ * Copyright (C) 2008, 2009  Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ *  Based on sh7785.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __CPU_SH7786_H__
+#define __CPU_SH7786_H__
+
+enum {
+	/* PA */
+	GPIO_PA7, GPIO_PA6, GPIO_PA5, GPIO_PA4,
+	GPIO_PA3, GPIO_PA2, GPIO_PA1, GPIO_PA0,
+
+	/* PB */
+	GPIO_PB7, GPIO_PB6, GPIO_PB5, GPIO_PB4,
+	GPIO_PB3, GPIO_PB2, GPIO_PB1, GPIO_PB0,
+
+	/* PC */
+	GPIO_PC7, GPIO_PC6, GPIO_PC5, GPIO_PC4,
+	GPIO_PC3, GPIO_PC2, GPIO_PC1, GPIO_PC0,
+
+	/* PD */
+	GPIO_PD7, GPIO_PD6, GPIO_PD5, GPIO_PD4,
+	GPIO_PD3, GPIO_PD2, GPIO_PD1, GPIO_PD0,
+
+	/* PE */
+	GPIO_PE5, GPIO_PE4, GPIO_PE3, GPIO_PE2,
+	GPIO_PE1, GPIO_PE0,
+
+	/* PF */
+	GPIO_PF7, GPIO_PF6, GPIO_PF5, GPIO_PF4,
+	GPIO_PF3, GPIO_PF2, GPIO_PF1, GPIO_PF0,
+
+	/* PG */
+	GPIO_PG7, GPIO_PG6, GPIO_PG5, GPIO_PG4,
+	GPIO_PG3, GPIO_PG2, GPIO_PG1, GPIO_PG0,
+
+	/* PH */
+	GPIO_PH7, GPIO_PH6, GPIO_PH5, GPIO_PH4,
+	GPIO_PH3, GPIO_PH2, GPIO_PH1, GPIO_PH0,
+
+	/* PJ */
+	GPIO_PJ7, GPIO_PJ6, GPIO_PJ5, GPIO_PJ4,
+	GPIO_PJ3, GPIO_PJ2, GPIO_PJ1, GPIO_PJ0,
+
+	GPIO_FN_CDE,
+	GPIO_FN_ETH_MAGIC,
+	GPIO_FN_DISP,
+	GPIO_FN_ETH_LINK,
+	GPIO_FN_DR5,
+	GPIO_FN_ETH_TX_ER,
+	GPIO_FN_DR4,
+	GPIO_FN_ETH_TX_EN,
+	GPIO_FN_DR3,
+	GPIO_FN_ETH_TXD3,
+	GPIO_FN_DR2,
+	GPIO_FN_ETH_TXD2,
+	GPIO_FN_DR1,
+	GPIO_FN_ETH_TXD1,
+	GPIO_FN_DR0,
+	GPIO_FN_ETH_TXD0,
+	GPIO_FN_VSYNC,
+	GPIO_FN_HSPI_CLK,
+	GPIO_FN_ODDF,
+	GPIO_FN_HSPI_CS,
+	GPIO_FN_DG5,
+	GPIO_FN_ETH_MDIO,
+	GPIO_FN_DG4,
+	GPIO_FN_ETH_RX_CLK,
+	GPIO_FN_DG3,
+	GPIO_FN_ETH_MDC,
+	GPIO_FN_DG2,
+	GPIO_FN_ETH_COL,
+	GPIO_FN_DG1,
+	GPIO_FN_ETH_TX_CLK,
+	GPIO_FN_DG0,
+	GPIO_FN_ETH_CRS,
+	GPIO_FN_DCLKIN,
+	GPIO_FN_HSPI_RX,
+	GPIO_FN_HSYNC,
+	GPIO_FN_HSPI_TX,
+	GPIO_FN_DB5,
+	GPIO_FN_ETH_RXD3,
+	GPIO_FN_DB4,
+	GPIO_FN_ETH_RXD2,
+	GPIO_FN_DB3,
+	GPIO_FN_ETH_RXD1,
+	GPIO_FN_DB2,
+	GPIO_FN_ETH_RXD0,
+	GPIO_FN_DB1,
+	GPIO_FN_ETH_RX_DV,
+	GPIO_FN_DB0,
+	GPIO_FN_ETH_RX_ER,
+	GPIO_FN_DCLKOUT,
+	GPIO_FN_SCIF1_SLK,
+	GPIO_FN_SCIF1_RXD,
+	GPIO_FN_SCIF1_TXD,
+	GPIO_FN_DACK1,
+	GPIO_FN_BACK,
+	GPIO_FN_FALE,
+	GPIO_FN_DACK0,
+	GPIO_FN_FCLE,
+	GPIO_FN_DREQ1,
+	GPIO_FN_BREQ,
+	GPIO_FN_USB_OVC1,
+	GPIO_FN_DREQ0,
+	GPIO_FN_USB_OVC0,
+	GPIO_FN_USB_PENC1,
+	GPIO_FN_USB_PENC0,
+	GPIO_FN_HAC1_SDOUT,
+	GPIO_FN_SSI1_SDATA,
+	GPIO_FN_SDIF1CMD,
+	GPIO_FN_HAC1_SDIN,
+	GPIO_FN_SSI1_SCK,
+	GPIO_FN_SDIF1CD,
+	GPIO_FN_HAC1_SYNC,
+	GPIO_FN_SSI1_WS,
+	GPIO_FN_SDIF1WP,
+	GPIO_FN_HAC1_BITCLK,
+	GPIO_FN_SSI1_CLK,
+	GPIO_FN_SDIF1CLK,
+	GPIO_FN_HAC0_SDOUT,
+	GPIO_FN_SSI0_SDATA,
+	GPIO_FN_SDIF1D3,
+	GPIO_FN_HAC0_SDIN,
+	GPIO_FN_SSI0_SCK,
+	GPIO_FN_SDIF1D2,
+	GPIO_FN_HAC0_SYNC,
+	GPIO_FN_SSI0_WS,
+	GPIO_FN_SDIF1D1,
+	GPIO_FN_HAC0_BITCLK,
+	GPIO_FN_SSI0_CLK,
+	GPIO_FN_SDIF1D0,
+	GPIO_FN_SCIF3_SCK,
+	GPIO_FN_SSI2_SDATA,
+	GPIO_FN_SCIF3_RXD,
+	GPIO_FN_TCLK,
+	GPIO_FN_SSI2_SCK,
+	GPIO_FN_SCIF3_TXD,
+	GPIO_FN_HAC_RES,
+	GPIO_FN_SSI2_WS,
+	GPIO_FN_DACK3,
+	GPIO_FN_SDIF0CMD,
+	GPIO_FN_DACK2,
+	GPIO_FN_SDIF0CD,
+	GPIO_FN_DREQ3,
+	GPIO_FN_SDIF0WP,
+	GPIO_FN_SCIF0_CTS,
+	GPIO_FN_DREQ2,
+	GPIO_FN_SDIF0CLK,
+	GPIO_FN_SCIF0_RTS,
+	GPIO_FN_IRL7,
+	GPIO_FN_SDIF0D3,
+	GPIO_FN_SCIF0_SCK,
+	GPIO_FN_IRL6,
+	GPIO_FN_SDIF0D2,
+	GPIO_FN_SCIF0_RXD,
+	GPIO_FN_IRL5,
+	GPIO_FN_SDIF0D1,
+	GPIO_FN_SCIF0_TXD,
+	GPIO_FN_IRL4,
+	GPIO_FN_SDIF0D0,
+	GPIO_FN_SCIF5_SCK,
+	GPIO_FN_FRB,
+	GPIO_FN_SCIF5_RXD,
+	GPIO_FN_IOIS16,
+	GPIO_FN_SCIF5_TXD,
+	GPIO_FN_CE2B,
+	GPIO_FN_DRAK3,
+	GPIO_FN_CE2A,
+	GPIO_FN_SCIF4_SCK,
+	GPIO_FN_DRAK2,
+	GPIO_FN_SSI3_WS,
+	GPIO_FN_SCIF4_RXD,
+	GPIO_FN_DRAK1,
+	GPIO_FN_SSI3_SDATA,
+	GPIO_FN_FSTATUS,
+	GPIO_FN_SCIF4_TXD,
+	GPIO_FN_DRAK0,
+	GPIO_FN_SSI3_SCK,
+	GPIO_FN_FSE,
+};
+
+#endif /* __CPU_SH7786_H__ */

arch/sh/kernel/cpu/sh4/probe.c

@@ -129,6 +129,13 @@ int __init detect_cpu_and_cache_system(void)
 		boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
 					  CPU_HAS_LLSC;
 		break;
+	case 0x4004:
+		boot_cpu_data.type = CPU_SH7786;
+		boot_cpu_data.icache.ways = 4;
+		boot_cpu_data.dcache.ways = 4;
+		boot_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+			CPU_HAS_LLSC;
+		break;
 	case 0x3008:
 		boot_cpu_data.icache.ways = 4;
 		boot_cpu_data.dcache.ways = 4;

arch/sh/kernel/cpu/sh4a/Makefile

@@ -7,6 +7,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7763)	+= setup-sh7763.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7770)	+= setup-sh7770.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7785)	+= setup-sh7785.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= setup-sh7786.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7722)	+= setup-sh7722.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7723)	+= setup-sh7723.o
@@ -21,6 +22,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7763)	:= clock-sh7763.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7770)	:= clock-sh7770.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7780)	:= clock-sh7780.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7785)	:= clock-sh7785.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7786)	:= clock-sh7786.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7722.o
@@ -31,6 +33,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7722)	:= pinmux-sh7722.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7723)	:= pinmux-sh7723.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7785)	:= pinmux-sh7785.o
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7786)	:= pinmux-sh7786.o
 
 obj-y			+= $(clock-y)
 obj-$(CONFIG_SMP)	+= $(smp-y)