sh: SH-MobileR SH7722 CPU support.

This adds CPU support for the SH7722.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

22 files changed, 284 insertions, 20 deletions

diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 0582e6712b79..d055a3ea6b4b 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_CPU_SH2)		= sh2/
 obj-$(CONFIG_CPU_SH2A)          = sh2a/
 obj-$(CONFIG_CPU_SH3)           = sh3/
 obj-$(CONFIG_CPU_SH4)           = sh4/
+obj-$(CONFIG_CPU_SH4A)          += sh4a/
 
 obj-$(CONFIG_UBC_WAKEUP)        += ubc.o
 obj-$(CONFIG_SH_ADC)            += adc.o
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 6e415baf04b4..19ca68c71884 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -12,17 +12,12 @@ obj-$(CONFIG_SH_STORE_QUEUES)		+= sq.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7750)        += setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7751)        += setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7760)        += setup-sh7760.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7770)        += setup-sh7770.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7780)        += setup-sh7780.o
-obj-$(CONFIG_CPU_SUBTYPE_SH73180)       += setup-sh73180.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7343)        += setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH4_202)       += setup-sh4-202.o
 
 # Primary on-chip clocks (common)
+ifndef CONFIG_CPU_SH4A
 clock-$(CONFIG_CPU_SH4)                 := clock-sh4.o
-clock-$(CONFIG_CPU_SUBTYPE_SH73180)     := clock-sh73180.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7770)      := clock-sh7770.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7780)      := clock-sh7780.o
+endif
 
 # Additional clocks by subtype
 clock-$(CONFIG_CPU_SUBTYPE_SH4_202)     += clock-sh4-202.o
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index afe0f1b1c030..9031a22a2ce7 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -119,11 +119,20 @@ int __init detect_cpu_and_cache_system(void)
                 break;
         case 0x3000:
         case 0x3003:
+        case 0x3009:
                 cpu_data->type = CPU_SH7343;
                 cpu_data->icache.ways = 4;
                 cpu_data->dcache.ways = 4;
                 cpu_data->flags |= CPU_HAS_LLSC;
                 break;
+        case 0x3008:
+                if (prr == 0xa0) {
+                        cpu_data->type = CPU_SH7722;
+                        cpu_data->icache.ways = 4;
+                        cpu_data->dcache.ways = 4;
+                        cpu_data->flags |= CPU_HAS_LLSC;
+                }
+                break;
         case 0x8000:
                 cpu_data->type = CPU_ST40RA;
                 cpu_data->flags |= CPU_HAS_FPU;
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
new file mode 100644
index 000000000000..a8f493f2f21f
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -0,0 +1,19 @@
+#
+# Makefile for the Linux/SuperH SH-4 backends.
+#
+
+# CPU subtype setup
+obj-$(CONFIG_CPU_SUBTYPE_SH7770)        += setup-sh7770.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7780)        += setup-sh7780.o
+obj-$(CONFIG_CPU_SUBTYPE_SH73180)       += setup-sh73180.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7343)        += setup-sh7343.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7722)        += setup-sh7722.o
+
+# Primary on-chip clocks (common)
+clock-$(CONFIG_CPU_SUBTYPE_SH73180)     := clock-sh73180.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7770)      := clock-sh7770.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7780)      := clock-sh7780.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7343)      := clock-sh7343.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7722)      := clock-sh7343.o
+
+obj-y   += $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh73180.c b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c
index 2fa5cb2ae68d..2fa5cb2ae68d 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh73180.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
new file mode 100644
index 000000000000..1707a213f0cf
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
@@ -0,0 +1,99 @@
+/*
+ * arch/sh/kernel/cpu/sh4/clock-sh7343.c
+ *
+ * SH7343/SH7722 support for the clock framework
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+
+/*
+ * SH7343/SH7722 uses a common set of multipliers and divisors, so this
+ * is quite simple..
+ */
+static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
+static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 };
+
+#define pll_calc() (((ctrl_inl(FRQCR) >> 24) & 0x1f) + 1)
+
+static void master_clk_init(struct clk *clk)
+{
+        clk->parent = clk_get(NULL, "cpu_clk");
+}
+
+static void master_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inl(FRQCR) & 0x000f);
+        clk->rate *= clk->parent->rate * multipliers[idx] / divisors[idx];
+}
+
+static struct clk_ops sh7343_master_clk_ops = {
+        .init           = master_clk_init,
+        .recalc         = master_clk_recalc,
+};
+
+static void module_clk_init(struct clk *clk)
+{
+        clk->parent = NULL;
+        clk->rate = CONFIG_SH_PCLK_FREQ;
+}
+
+static struct clk_ops sh7343_module_clk_ops = {
+        .init           = module_clk_init,
+};
+
+static void bus_clk_init(struct clk *clk)
+{
+        clk->parent = clk_get(NULL, "cpu_clk");
+}
+
+static void bus_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inl(FRQCR) >> 8) & 0x000f;
+        clk->rate = clk->parent->rate * multipliers[idx] / divisors[idx];
+}
+
+static struct clk_ops sh7343_bus_clk_ops = {
+        .init           = bus_clk_init,
+        .recalc         = bus_clk_recalc,
+};
+
+static void cpu_clk_init(struct clk *clk)
+{
+        clk->parent = clk_get(NULL, "module_clk");
+        clk->flags |= CLK_RATE_PROPAGATES;
+        clk_set_rate(clk, clk_get_rate(clk));
+}
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inl(FRQCR) >> 20) & 0x000f;
+        clk->rate = clk->parent->rate * pll_calc() *
+                multipliers[idx] / divisors[idx];
+}
+
+static struct clk_ops sh7343_cpu_clk_ops = {
+        .init           = cpu_clk_init,
+        .recalc         = cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7343_clk_ops[] = {
+        &sh7343_master_clk_ops,
+        &sh7343_module_clk_ops,
+        &sh7343_bus_clk_ops,
+        &sh7343_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+        if (idx < ARRAY_SIZE(sh7343_clk_ops))
+                *ops = sh7343_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh7770.c b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c
index c8694bac6477..c8694bac6477 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
index 9e6a216750c8..9e6a216750c8 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh73180.c b/arch/sh/kernel/cpu/sh4a/setup-sh73180.c
index cc9ea1e2e5df..cc9ea1e2e5df 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh73180.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh73180.c
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index 91d61cf91ba1..91d61cf91ba1 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
new file mode 100644
index 000000000000..7528fc6b0d67
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -0,0 +1,76 @@
+/*
+ * SH7722 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * 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, 81, 83, 82 },
+        }, {
+                .flags = 0,
+        }
+};
+
+static struct platform_device sci_device = {
+        .name           = "sh-sci",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = sci_platform_data,
+        },
+};
+
+static struct platform_device *sh7722_devices[] __initdata = {
+        &sci_device,
+};
+
+static int __init sh7722_devices_setup(void)
+{
+        return platform_add_devices(sh7722_devices,
+                                    ARRAY_SIZE(sh7722_devices));
+}
+__initcall(sh7722_devices_setup);
+
+static struct ipr_data sh7722_ipr_map[] = {
+        /* IRQ, IPR-idx, shift, prio */
+        { 16, 0, 12, 2 }, /* TMU0 */
+        { 17, 0,  8, 2 }, /* TMU1 */
+};
+
+static unsigned long ipr_offsets[] = {
+        0xa4080000, /*  0: IPRA */
+        0xa4080004, /*  1: IPRB */
+        0xa4080008, /*  2: IPRC */
+        0xa408000c, /*  3: IPRD */
+        0xa4080010, /*  4: IPRE */
+        0xa4080014, /*  5: IPRF */
+        0xa4080018, /*  6: IPRG */
+        0xa408001c, /*  7: IPRH */
+        0xa4080020, /*  8: IPRI */
+        0xa4080024, /*  9: IPRJ */
+        0xa4080028, /* 10: IPRK */
+        0xa408002c, /* 11: IPRL */
+};
+
+unsigned int map_ipridx_to_addr(int idx)
+{
+        if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
+                return 0;
+        return ipr_offsets[idx];
+}
+
+void __init init_IRQ_ipr(void)
+{
+        make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map));
+}
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
index 6a04cc5f5aca..6a04cc5f5aca 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 9aeaa2ddaa28..9aeaa2ddaa28 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index f8dd6b7bfab0..fe545bbb1e1f 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -325,14 +325,18 @@ void __init setup_arch(char **cmdline_p)
         ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
         if (&__rd_start != &__rd_end) {
                 LOADER_TYPE = 1;
-                INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START;
-                INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start;
+                INITRD_START = PHYSADDR((unsigned long)&__rd_start) -
+                                        __MEMORY_START;
+                INITRD_SIZE = (unsigned long)&__rd_end -
+                              (unsigned long)&__rd_start;
         }
 
         if (LOADER_TYPE && INITRD_START) {
                 if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
-                        reserve_bootmem_node(NODE_DATA(0), INITRD_START+__MEMORY_START, INITRD_SIZE);
-                        initrd_start = INITRD_START + PAGE_OFFSET + __MEMORY_START;
+                        reserve_bootmem_node(NODE_DATA(0), INITRD_START +
+                                                __MEMORY_START, INITRD_SIZE);
+                        initrd_start = INITRD_START + PAGE_OFFSET +
+                                        __MEMORY_START;
                         initrd_end = initrd_start + INITRD_SIZE;
                 } else {
                         printk("initrd extends beyond end of memory "
@@ -404,7 +408,7 @@ static const char *cpu_name[] = {
         [CPU_SH4_202]   = "SH4-202",    [CPU_SH4_501]   = "SH4-501",
         [CPU_SH7770]    = "SH7770",     [CPU_SH7780]    = "SH7780",
         [CPU_SH7781]    = "SH7781",     [CPU_SH7343]    = "SH7343",
-        [CPU_SH7785]    = "SH7785",
+        [CPU_SH7785]    = "SH7785",     [CPU_SH7722]    = "SH7722",
         [CPU_SH_NONE]   = "Unknown"
 };
 
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 4e0362f50384..29f4ee35c6dc 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -35,6 +35,9 @@ config CPU_SUBTYPE_ST40
         select CPU_SH4
         select CPU_HAS_INTC2_IRQ
 
+config CPU_SHX2
+        bool
+
 #
 # Processor subtypes
 #
@@ -180,6 +183,7 @@ config CPU_SUBTYPE_SH7780
 config CPU_SUBTYPE_SH7785
         bool "Support SH7785 processor"
         select CPU_SH4A
+        select CPU_SHX2
         select CPU_HAS_INTC2_IRQ
 
 comment "SH4AL-DSP Processor Support"
@@ -192,6 +196,12 @@ config CPU_SUBTYPE_SH7343
         bool "Support SH7343 processor"
         select CPU_SH4AL_DSP
 
+config CPU_SUBTYPE_SH7722
+        bool "Support SH7722 processor"
+        select CPU_SH4AL_DSP
+        select CPU_SHX2
+        select CPU_HAS_IPR_IRQ
+
 endmenu
 
 menu "Memory management options"
@@ -250,7 +260,7 @@ config 32BIT
 
 config X2TLB
         bool "Enable extended TLB mode"
-        depends on CPU_SUBTYPE_SH7785 && MMU && EXPERIMENTAL
+        depends on CPU_SHX2 && MMU && EXPERIMENTAL
         help
           Selecting this option will enable the extended mode of the SH-X2
           TLB. For legacy SH-X behaviour and interoperability, say N. For
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 9031b57f12dd..c53b69610a51 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -319,6 +319,28 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
 
         sci_out(port, SCFCR, fcr_val);
 }
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
+{
+        unsigned int fcr_val = 0;
+
+        if (cflag & CRTSCTS) {
+                fcr_val |= SCFCR_MCE;
+
+                ctrl_outw(0x0000, PORT_PSCR);
+        } else {
+                unsigned short data;
+
+                data = ctrl_inw(PORT_PSCR);
+                data &= 0x033f;
+                data |= 0x0400;
+                ctrl_outw(data, PORT_PSCR);
+
+                ctrl_outw(ctrl_inw(SCSPTR0) & 0x17, SCSPTR0);
+        }
+
+        sci_out(port, SCFCR, fcr_val);
+}
 #else
 /* For SH7750 */
 static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index d84c1f9f8a39..77f7d6351ab1 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -90,6 +90,13 @@
 # define SCSPTR3 0xffe30010     /* 16 bit SCIF */
 # define SCSCR_INIT(port) 0x32  /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */
 # define SCIF_ONLY
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
+# 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
+# define PORT_PSCR              0xA405011E
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
@@ -522,6 +529,13 @@ 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)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+        if (port->mapbase == 0xffe00000)
+                return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
+        return 1;
+}
 #elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
 static inline int sci_rxd_in(struct uart_port *port)
 {
diff --git a/include/asm-sh/bugs.h b/include/asm-sh/bugs.h
index 795047da5e17..a294997a8412 100644
--- a/include/asm-sh/bugs.h
+++ b/include/asm-sh/bugs.h
@@ -16,9 +16,8 @@
 
 static void __init check_bugs(void)
 {
-        extern char *get_cpu_subtype(void);
         extern unsigned long loops_per_jiffy;
-        char *p= &init_utsname()->machine[2]; /* "sh" */
+        char *p = &init_utsname()->machine[2]; /* "sh" */
 
         cpu_data->loops_per_jiffy = loops_per_jiffy;
 
@@ -40,6 +39,15 @@ static void __init check_bugs(void)
                 *p++ = '4';
                 *p++ = 'a';
                 break;
+        case CPU_SH73180 ... CPU_SH7722:
+                *p++ = '4';
+                *p++ = 'a';
+                *p++ = 'l';
+                *p++ = '-';
+                *p++ = 'd';
+                *p++ = 's';
+                *p++ = 'p';
+                break;
         default:
                 *p++ = '?';
                 *p++ = '!';
diff --git a/include/asm-sh/cpu-sh4/cache.h b/include/asm-sh/cpu-sh4/cache.h
index 6e9c7e6ee8e4..f92b20a0983d 100644
--- a/include/asm-sh/cpu-sh4/cache.h
+++ b/include/asm-sh/cpu-sh4/cache.h
@@ -22,7 +22,7 @@
 #define CCR_CACHE_ICE   0x0100  /* Instruction Cache Enable */
 #define CCR_CACHE_ICI   0x0800  /* IC Invalidate */
 #define CCR_CACHE_IIX   0x8000  /* IC Index Enable */
-#ifndef CONFIG_CPU_SUBTYPE_SH7780
+#ifndef CONFIG_CPU_SH4A
 #define CCR_CACHE_EMODE 0x80000000      /* EMODE Enable */
 #endif
 
diff --git a/include/asm-sh/cpu-sh4/freq.h b/include/asm-sh/cpu-sh4/freq.h
index ef2b9b1ae41f..602d061ca2dc 100644
--- a/include/asm-sh/cpu-sh4/freq.h
+++ b/include/asm-sh/cpu-sh4/freq.h
@@ -10,7 +10,7 @@
 #ifndef __ASM_CPU_SH4_FREQ_H
 #define __ASM_CPU_SH4_FREQ_H
 
-#if defined(CONFIG_CPU_SUBTYPE_SH73180)
+#if defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7722)
 #define FRQCR                   0xa4150000
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define FRQCR                   0xffc80000
diff --git a/include/asm-sh/irq.h b/include/asm-sh/irq.h
index fd576088e47e..bff965ef4b95 100644
--- a/include/asm-sh/irq.h
+++ b/include/asm-sh/irq.h
@@ -37,7 +37,8 @@
 # define ONCHIP_NR_IRQS 144
 #elif defined(CONFIG_CPU_SUBTYPE_SH7300) || \
       defined(CONFIG_CPU_SUBTYPE_SH73180) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7343)
+      defined(CONFIG_CPU_SUBTYPE_SH7343) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7722)
 # define ONCHIP_NR_IRQS 109
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 # define ONCHIP_NR_IRQS 111
@@ -79,6 +80,8 @@
 # define OFFCHIP_NR_IRQS 16
 #elif defined(CONFIG_SH_7343_SOLUTION_ENGINE)
 # define OFFCHIP_NR_IRQS 12
+#elif defined(CONFIG_SH_7722_SOLUTION_ENGINE)
+# define OFFCHIP_NR_IRQS 14
 #elif defined(CONFIG_SH_UNKNOWN)
 # define OFFCHIP_NR_IRQS 16     /* Must also be last */
 #else
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index 6f1dd7ca1b1d..e29f2abb92de 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -27,6 +27,8 @@
 #define CCN_CVR         0xff000040
 #define CCN_PRR         0xff000044
 
+const char *get_cpu_subtype(void);
+
 /*
  *  CPU type and hardware bug flags. Kept separately for each CPU.
  *
@@ -52,8 +54,10 @@ enum cpu_type {
         CPU_SH7760, CPU_ST40RA, CPU_ST40GX1, CPU_SH4_202, CPU_SH4_501,
 
         /* SH-4A types */
-        CPU_SH73180, CPU_SH7343, CPU_SH7770, CPU_SH7780, CPU_SH7781,
-        CPU_SH7785,
+        CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785,
+
+        /* SH4AL-DSP types */
+        CPU_SH73180, CPU_SH7343, CPU_SH7722,
 
         /* Unknown subtype */
         CPU_SH_NONE