sh: add support for sh7366 processor

This patch adds sh7366 cpu supports. Just the most basic things like interrupt
controller, clocks and serial port are included at this point.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

11 files changed, 215 insertions, 7 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 3297b87a40d6..b3400b5ad5c6 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -315,6 +315,13 @@ config CPU_SUBTYPE_SH7722
         select ARCH_SPARSEMEM_ENABLE
         select SYS_SUPPORTS_NUMA
 
+config CPU_SUBTYPE_SH7366
+        bool "Support SH7366 processor"
+        select CPU_SH4AL_DSP
+        select CPU_SHX2
+        select ARCH_SPARSEMEM_ENABLE
+        select SYS_SUPPORTS_NUMA
+
 # SH-5 Processor Support
 
 config CPU_SUBTYPE_SH5_101
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index ccfa0b23d366..93722d099e7a 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -30,7 +30,7 @@ config EARLY_SCIF_CONSOLE_PORT
         hex
         depends on EARLY_SCIF_CONSOLE
         default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763
-        default "0xffe00000" if CPU_SUBTYPE_SH7722
+        default "0xffe00000" if CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366
         default "0xffea0000" if CPU_SUBTYPE_SH7785
         default "0xfffe8000" if CPU_SUBTYPE_SH7203
         default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 89b454b1f0f1..9e89984c4f1d 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -132,6 +132,12 @@ int __init detect_cpu_and_cache_system(void)
                         boot_cpu_data.dcache.ways = 4;
                         boot_cpu_data.flags |= CPU_HAS_LLSC;
                 }
+                else if (prr == 0x70) {
+                        boot_cpu_data.type = CPU_SH7366;
+                        boot_cpu_data.icache.ways = 4;
+                        boot_cpu_data.dcache.ways = 4;
+                        boot_cpu_data.flags |= CPU_HAS_LLSC;
+                }
                 break;
         case 0x4000:    /* 1st cut */
         case 0x4001:    /* 2nd cut */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 08ac6387bf17..5d890ac8e793 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7785)        += setup-sh7785.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7343)        += setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7722)        += setup-sh7722.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7366)        += setup-sh7366.o
 obj-$(CONFIG_CPU_SUBTYPE_SHX3)          += setup-shx3.o
 
 # SMP setup
@@ -21,6 +22,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7780)	:= clock-sh7780.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7785)      := clock-sh7785.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7343)      := clock-sh7343.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7722)      := clock-sh7722.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7366)      := clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SHX3)        := clock-shx3.o
 
 obj-y                   += $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index a0fd8bb21f7c..299138ebe160 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -1,7 +1,7 @@
 /*
  * arch/sh/kernel/cpu/sh4a/clock-sh7722.c
  *
- * SH7722 support for the clock framework
+ * SH7722 & SH7366 support for the clock framework
  *
  * Copyright (c) 2006-2007 Nomad Global Solutions Inc
  * Based on code for sh7343 by Paul Mundt
@@ -417,15 +417,19 @@ static int sh7722_siu_which(struct clk *clk)
                 return 0;
         if (!strcmp(clk->name, "siu_b_clk"))
                 return 1;
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
         if (!strcmp(clk->name, "irda_clk"))
                 return 2;
+#endif
         return -EINVAL;
 }
 
 static unsigned long sh7722_siu_regs[] = {
         [0] = SCLKACR,
         [1] = SCLKBCR,
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
         [2] = IrDACLKCR,
+#endif
 };
 
 static int sh7722_siu_start_stop(struct clk *clk, int enable)
@@ -571,10 +575,12 @@ static struct clk sh7722_siu_b_clock = {
         .ops = &sh7722_siu_clk_ops,
 };
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
 static struct clk sh7722_irda_clock = {
         .name = "irda_clk",
         .ops = &sh7722_siu_clk_ops,
 };
+#endif
 
 static struct clk sh7722_video_clock = {
         .name = "video_clk",
@@ -588,7 +594,9 @@ static struct clk *sh7722_clocks[] = {
         &sh7722_sdram_clock,
         &sh7722_siu_a_clock,
         &sh7722_siu_b_clock,
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
         &sh7722_irda_clock,
+#endif
         &sh7722_video_clock,
 };
 
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
new file mode 100644
index 000000000000..967e8b69a2f8
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -0,0 +1,177 @@
+/*
+ * SH7366 Setup
+ *
+ *  Copyright (C) 2008 Renesas Solutions
+ *
+ * Based on linux/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+ *
+ * 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.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+        {
+                .mapbase        = 0xffe00000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           = { 80, 80, 80, 80 },
+        }, {
+                .flags = 0,
+        }
+};
+
+static struct platform_device sci_device = {
+        .name           = "sh-sci",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = sci_platform_data,
+        },
+};
+
+static struct platform_device *sh7366_devices[] __initdata = {
+        &sci_device,
+};
+
+static int __init sh7366_devices_setup(void)
+{
+        return platform_add_devices(sh7366_devices,
+                                    ARRAY_SIZE(sh7366_devices));
+}
+__initcall(sh7366_devices_setup);
+
+enum {
+        UNUSED=0,
+
+        /* interrupt sources */
+        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+        ICB,
+        DMAC0, DMAC1, DMAC2, DMAC3,
+        VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU,
+        MFI, VPU, USB,
+        MMC_MMC1I, MMC_MMC2I, MMC_MMC3I,
+        DMAC4, DMAC5, DMAC_DADERR,
+        SCIF, SCIFA1, SCIFA2,
+        DENC, MSIOF,
+        FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+        I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI,
+        SDHI0, SDHI1, SDHI2, SDHI3,
+        CMT, TSIF, SIU,
+        TMU0, TMU1, TMU2,
+        VEU2, LCDC,
+
+        /* interrupt groups */
+
+        DMAC0123, VIOVOU, MMC, DMAC45, FLCTL, I2C, SDHI,
+};
+
+static struct intc_vect vectors[] __initdata = {
+        INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
+        INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
+        INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+        INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0),
+        INTC_VECT(ICB, 0x700),
+        INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820),
+        INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860),
+        INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0),
+        INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0),
+        INTC_VECT(MFI, 0x900), INTC_VECT(VPU, 0x980), INTC_VECT(USB, 0xa20),
+        INTC_VECT(MMC_MMC1I, 0xb00), INTC_VECT(MMC_MMC2I, 0xb20),
+        INTC_VECT(MMC_MMC3I, 0xb40),
+        INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0),
+        INTC_VECT(DMAC_DADERR, 0xbc0),
+        INTC_VECT(SCIF, 0xc00), INTC_VECT(SCIFA1, 0xc20),
+        INTC_VECT(SCIFA2, 0xc40),
+        INTC_VECT(DENC, 0xc60), INTC_VECT(MSIOF, 0xc80),
+        INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0),
+        INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0),
+        INTC_VECT(I2C_ALI, 0xe00), INTC_VECT(I2C_TACKI, 0xe20),
+        INTC_VECT(I2C_WAITI, 0xe40), INTC_VECT(I2C_DTEI, 0xe60),
+        INTC_VECT(SDHI0, 0xe80), INTC_VECT(SDHI1, 0xea0),
+        INTC_VECT(SDHI2, 0xec0), INTC_VECT(SDHI3, 0xee0),
+        INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20),
+        INTC_VECT(SIU, 0xf80),
+        INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+        INTC_VECT(TMU2, 0x440),
+        INTC_VECT(VEU2, 0x580), INTC_VECT(LCDC, 0x580),
+};
+
+static struct intc_group groups[] __initdata = {
+        INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3),
+        INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU),
+        INTC_GROUP(MMC, MMC_MMC1I, MMC_MMC2I, MMC_MMC3I),
+        INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR),
+        INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI,
+                   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
+        INTC_GROUP(I2C, I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI),
+        INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2, SDHI3),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+        { 0xa4080080, 0xa40800c0, 8, /* IMR0 / IMCR0 */
+          { } },
+        { 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */
+          { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } },
+        { 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */
+          { 0, 0, 0, VPU, 0, 0, 0, MFI } },
+        { 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */
+          { 0, 0, 0, ICB } },
+        { 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */
+          { 0, TMU2, TMU1, TMU0, VEU2, 0, 0, LCDC } },
+        { 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */
+          { 0, DMAC_DADERR, DMAC5, DMAC4, DENC, SCIFA2, SCIFA1, SCIF } },
+        { 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */
+          { 0, 0, 0, 0, 0, 0, 0, MSIOF } },
+        { 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */
+          { I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI,
+            FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } },
+        { 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */
+          { SDHI3, SDHI2, SDHI1, SDHI0, 0, 0, 0, SIU } },
+        { 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */
+          { 0, 0, 0, CMT, 0, USB, } },
+        { 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */
+          { 0, MMC_MMC3I, MMC_MMC2I, MMC_MMC1I } },
+        { 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */
+          { 0, 0, 0, 0, 0, 0, 0, TSIF } },
+        { 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */
+          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+        { 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
+        { 0xa4080004, 0, 16, 4, /* IPRB */ { VEU2, LCDC, ICB } },
+        { 0xa4080008, 0, 16, 4, /* IPRC */ { } },
+        { 0xa408000c, 0, 16, 4, /* IPRD */ { } },
+        { 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, MFI, VPU } },
+        { 0xa4080014, 0, 16, 4, /* IPRF */ { 0, DMAC45, USB, CMT } },
+        { 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF, SCIFA1, SCIFA2, DENC } },
+        { 0xa408001c, 0, 16, 4, /* IPRH */ { MSIOF, 0, FLCTL, I2C } },
+        { 0xa4080020, 0, 16, 4, /* IPRI */ { 0, 0, TSIF, } },
+        { 0xa4080024, 0, 16, 4, /* IPRJ */ { 0, 0, SIU } },
+        { 0xa4080028, 0, 16, 4, /* IPRK */ { 0, MMC, 0, SDHI } },
+        { 0xa408002c, 0, 16, 4, /* IPRL */ { } },
+        { 0xa4140010, 0, 32, 4, /* INTPRI00 */
+          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static struct intc_sense_reg sense_registers[] __initdata = {
+        { 0xa414001c, 16, 2, /* ICR1 */
+          { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7366", vectors, groups,
+                         mask_registers, prio_registers, sense_registers);
+
+void __init plat_irq_setup(void)
+{
+        register_intc_controller(&intc_desc);
+}
+
+void __init plat_mem_setup(void)
+{
+        /* TODO: Register Node 1 */
+}
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 18a5baf2cbad..ff4f54a47c07 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -333,7 +333,7 @@ static const char *cpu_name[] = {
         [CPU_SH7343]    = "SH7343",     [CPU_SH7785]    = "SH7785",
         [CPU_SH7722]    = "SH7722",     [CPU_SHX3]      = "SH-X3",
         [CPU_SH5_101]   = "SH5-101",    [CPU_SH5_103]   = "SH5-103",
-        [CPU_SH_NONE]   = "Unknown"
+        [CPU_SH7366]    = "SH7366",     [CPU_SH_NONE]   = "Unknown"
 };
 
 const char *get_cpu_subtype(struct sh_cpuinfo *c)
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index ddf639144538..9ce12cb2cebc 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -393,7 +393,7 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
         if (cflag & CRTSCTS) {
                 fcr_val |= SCFCR_MCE;
         } else {
-#ifdef CONFIG_CPU_SUBTYPE_SH7343
+#if defined(CONFIG_CPU_SUBTYPE_SH7343) || defined(CONFIG_CPU_SUBTYPE_SH7366)
                 /* Nothing */
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
       defined(CONFIG_CPU_SUBTYPE_SH7780) || \
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index f5764ebcfe07..57aaa09811ea 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -97,6 +97,12 @@
 # define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 # define SCIF_ONLY
 # define PORT_PSCR              0xA405011E
+#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
+# define SCPDR0                 0xA405013E      /* 16 bit SCIF0 PSDR */
+# define SCSPTR0                SCPDR0
+# define SCIF_ORER              0x0001  /* overrun error bit */
+# define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
+# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
@@ -577,7 +583,7 @@ static inline int sci_rxd_in(struct uart_port *port)
                 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
         return 1;
 }
-#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722) || defined(CONFIG_CPU_SUBTYPE_SH7366)
 static inline int sci_rxd_in(struct uart_port *port)
 {
         if (port->mapbase == 0xffe00000)
diff --git a/include/asm-sh/cpu-sh4/freq.h b/include/asm-sh/cpu-sh4/freq.h
index 1ac10b9a078f..ec028c649215 100644
--- a/include/asm-sh/cpu-sh4/freq.h
+++ b/include/asm-sh/cpu-sh4/freq.h
@@ -10,12 +10,14 @@
 #ifndef __ASM_CPU_SH4_FREQ_H
 #define __ASM_CPU_SH4_FREQ_H
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7722)
+#if defined(CONFIG_CPU_SUBTYPE_SH7722) || defined(CONFIG_CPU_SUBTYPE_SH7366)
 #define FRQCR                   0xa4150000
 #define VCLKCR                  0xa4150004
 #define SCLKACR                 0xa4150008
 #define SCLKBCR                 0xa415000c
+#if defined(CONFIG_CPU_SUBTYPE_SH7722)
 #define IrDACLKCR               0xa4150010
+#endif
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
       defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define FRQCR                   0xffc80000
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index c9b14161f73d..19fe47c1ca17 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -33,7 +33,7 @@ enum cpu_type {
         CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SHX3,
 
         /* SH4AL-DSP types */
-        CPU_SH7343, CPU_SH7722,
+        CPU_SH7343, CPU_SH7722, CPU_SH7366,
 
         /* SH-5 types */
         CPU_SH5_101, CPU_SH5_103,