sh: Add SH7203 CPU support.

This adds support for the SH7203 (SH-2A) CPU.

Signed-off-by: Kieran Bingham <kbingham@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

8 files changed, 393 insertions, 9 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index d99ba375cc87..d8f62b842656 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -158,6 +158,10 @@ config CPU_SUBTYPE_SH7619
 
 # SH-2A Processor Support
 
+config CPU_SUBTYPE_SH7203
+        bool "Support SH7203 processor"
+        select CPU_SH2A
+
 config CPU_SUBTYPE_SH7206
         bool "Support SH7206 processor"
         select CPU_SH2A
@@ -556,7 +560,7 @@ config SH_PCLK_FREQ
         default "32000000" if CPU_SUBTYPE_SH7722
         default "33333333" if CPU_SUBTYPE_SH7770 || \
                               CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
-                              CPU_SUBTYPE_SH7206
+                              CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206
         default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
         default "66000000" if CPU_SUBTYPE_SH4_202
         default "50000000"
@@ -567,7 +571,7 @@ config SH_PCLK_FREQ
 
 config SH_CLK_MD
         int "CPU Mode Pin Setting"
-        depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
+        depends on CPU_SH2
         default 6 if CPU_SUBTYPE_SH7206
         default 5 if CPU_SUBTYPE_SH7619
         default 0
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 89bc174f25c7..f7e362c9d76d 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -32,6 +32,7 @@ config EARLY_SCIF_CONSOLE_PORT
         depends on EARLY_SCIF_CONSOLE
         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 "0xf8420000" if CPU_SUBTYPE_SH7619
         default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705
diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
index 965fa2572b23..5286eeff1cc3 100644
--- a/arch/sh/kernel/cpu/sh2a/Makefile
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -7,3 +7,4 @@ obj-y	:= common.o probe.o opcode_helper.o
 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
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
new file mode 100644
index 000000000000..3feb95a4fcbc
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -0,0 +1,89 @@
+/*
+ * arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+ *
+ * SH7203 support for the clock framework
+ *
+ *  Copyright (C) 2007 Kieran Bingham (MPC-Data Ltd)
+ *
+ * Based on clock-sh7263.c
+ *  Copyright (C) 2006  Yoshinori Sato
+ *
+ * Based on clock-sh4.c
+ *  Copyright (C) 2005  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 <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+const static int pll1rate[]={8,12,16,0};
+const static int pfc_divisors[]={1,2,3,4,6,8,12};
+#define ifc_divisors pfc_divisors
+
+#if (CONFIG_SH_CLK_MD == 0)
+#define PLL2 (1)
+#elif (CONFIG_SH_CLK_MD == 1)
+#define PLL2 (2)
+#elif (CONFIG_SH_CLK_MD == 2)
+#define PLL2 (4)
+#elif (CONFIG_SH_CLK_MD == 3)
+#define PLL2 (4)
+#else
+#error "Illegal Clock Mode!"
+#endif
+
+static void master_clk_init(struct clk *clk)
+{
+        clk->rate *= pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0003] * PLL2 ;
+}
+
+static struct clk_ops sh7203_master_clk_ops = {
+        .init           = master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inw(FREQCR) & 0x0007);
+        clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops sh7203_module_clk_ops = {
+        .recalc         = module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+        int idx = (ctrl_inw(FREQCR) & 0x0007);
+        clk->rate = clk->parent->rate / pfc_divisors[idx-2];
+}
+
+static struct clk_ops sh7203_bus_clk_ops = {
+        .recalc         = bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+        clk->rate = clk->parent->rate;
+}
+
+static struct clk_ops sh7203_cpu_clk_ops = {
+        .recalc         = cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7203_clk_ops[] = {
+        &sh7203_master_clk_ops,
+        &sh7203_module_clk_ops,
+        &sh7203_bus_clk_ops,
+        &sh7203_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+        if (idx < ARRAY_SIZE(sh7203_clk_ops))
+                *ops = sh7203_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
index 6d02465704b9..64f10102b720 100644
--- a/arch/sh/kernel/cpu/sh2a/probe.c
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -3,25 +3,33 @@
  *
  * CPU Subtype Probing for SH-2A.
  *
- * Copyright (C) 2004, 2005 Paul Mundt
+ * Copyright (C) 2004 - 2007  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 <asm/processor.h>
 #include <asm/cache.h>
 
 int __init detect_cpu_and_cache_system(void)
 {
-        /* Just SH7206 for now .. */
-        boot_cpu_data.type                      = CPU_SH7206;
+        /* All SH-2A CPUs have support for 16 and 32-bit opcodes.. */
         boot_cpu_data.flags                     |= CPU_HAS_OP32;
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7203)
+        boot_cpu_data.type                      = CPU_SH7203;
+        /* SH7203 has an FPU.. */
+        boot_cpu_data.flags                     |= CPU_HAS_FPU;
+#elif defined(CONFIG_CPU_SUBTYPE_SH7206)
+        boot_cpu_data.type                      = CPU_SH7206;
+        /* While SH7206 has a DSP.. */
+        boot_cpu_data.flags                     |= CPU_HAS_DSP;
+#endif
+
         boot_cpu_data.dcache.ways               = 4;
-        boot_cpu_data.dcache.way_incr   = (1 << 11);
+        boot_cpu_data.dcache.way_incr           = (1 << 11);
         boot_cpu_data.dcache.sets               = 128;
         boot_cpu_data.dcache.entry_shift        = 4;
         boot_cpu_data.dcache.linesz             = L1_CACHE_BYTES;
@@ -37,4 +45,3 @@ int __init detect_cpu_and_cache_system(void)
 
         return 0;
 }
-
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
new file mode 100644
index 000000000000..06f27c8b8583
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -0,0 +1,281 @@
+/*
+ * SH7203 Setup
+ *
+ *  Copyright (C) 2007  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>
+
+enum {
+        UNUSED = 0,
+
+        /* interrupt sources */
+        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
+        DMAC0_DEI, DMAC0_HEI, DMAC1_DEI, DMAC1_HEI,
+        DMAC2_DEI, DMAC2_HEI, DMAC3_DEI, DMAC3_HEI,
+        DMAC4_DEI, DMAC4_HEI, DMAC5_DEI, DMAC5_HEI,
+        DMAC6_DEI, DMAC6_HEI, DMAC7_DEI, DMAC7_HEI,
+        USB, LCDC, CMT0, CMT1, BSC, WDT,
+        MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D,
+        MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F,
+        MTU2_TGI1A, MTU2_TGI1B, MTU2_TCI1V, MTU2_TCI1U,
+        MTU2_TGI2A, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U,
+        MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D, MTU2_TCI3V,
+        MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D, MTU2_TCI4V,
+        ADC_ADI,
+        IIC30_STPI, IIC30_NAKI, IIC30_RXI, IIC30_TXI, IIC30_TEI,
+        IIC31_STPI, IIC31_NAKI, IIC31_RXI, IIC31_TXI, IIC31_TEI,
+        IIC32_STPI, IIC32_NAKI, IIC32_RXI, IIC32_TXI, IIC32_TEI,
+        IIC33_STPI, IIC33_NAKI, IIC33_RXI, IIC33_TXI, IIC33_TEI,
+        SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
+        SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI,
+        SCIF2_BRI, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI,
+        SCIF3_BRI, SCIF3_ERI, SCIF3_RXI, SCIF3_TXI,
+        SSU0_SSERI, SSU0_SSRXI, SSU0_SSTXI,
+        SSU1_SSERI, SSU1_SSRXI, SSU1_SSTXI,
+        SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
+        FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+        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,
+
+        /* 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
+};
+
+static struct intc_vect vectors[] __initdata = {
+        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
+        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
+        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
+        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
+        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
+        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
+        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
+        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
+        INTC_IRQ(DMAC0_DEI, 108), INTC_IRQ(DMAC0_HEI, 109),
+        INTC_IRQ(DMAC1_DEI, 112), INTC_IRQ(DMAC1_HEI, 113),
+        INTC_IRQ(DMAC2_DEI, 116), INTC_IRQ(DMAC2_HEI, 117),
+        INTC_IRQ(DMAC3_DEI, 120), INTC_IRQ(DMAC3_HEI, 121),
+        INTC_IRQ(DMAC4_DEI, 124), INTC_IRQ(DMAC4_HEI, 125),
+        INTC_IRQ(DMAC5_DEI, 128), INTC_IRQ(DMAC5_HEI, 129),
+        INTC_IRQ(DMAC6_DEI, 132), INTC_IRQ(DMAC6_HEI, 133),
+        INTC_IRQ(DMAC7_DEI, 136), INTC_IRQ(DMAC7_HEI, 137),
+        INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
+        INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
+        INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
+        INTC_IRQ(MTU2_TGI0A, 146), INTC_IRQ(MTU2_TGI0B, 147),
+        INTC_IRQ(MTU2_TGI0C, 148), INTC_IRQ(MTU2_TGI0D, 149),
+        INTC_IRQ(MTU2_TCI0V, 150),
+        INTC_IRQ(MTU2_TGI0E, 151), INTC_IRQ(MTU2_TGI0F, 152),
+        INTC_IRQ(MTU2_TGI1A, 153), INTC_IRQ(MTU2_TGI1B, 154),
+        INTC_IRQ(MTU2_TCI1V, 155), INTC_IRQ(MTU2_TCI1U, 156),
+        INTC_IRQ(MTU2_TGI2A, 157), INTC_IRQ(MTU2_TGI2B, 158),
+        INTC_IRQ(MTU2_TCI2V, 159), INTC_IRQ(MTU2_TCI2U, 160),
+        INTC_IRQ(MTU2_TGI3A, 161), INTC_IRQ(MTU2_TGI3B, 162),
+        INTC_IRQ(MTU2_TGI3C, 163), INTC_IRQ(MTU2_TGI3D, 164),
+        INTC_IRQ(MTU2_TCI3V, 165),
+        INTC_IRQ(MTU2_TGI4A, 166), INTC_IRQ(MTU2_TGI4B, 167),
+        INTC_IRQ(MTU2_TGI4C, 168), INTC_IRQ(MTU2_TGI4D, 169),
+        INTC_IRQ(MTU2_TCI4V, 170),
+        INTC_IRQ(ADC_ADI, 171),
+        INTC_IRQ(IIC30_STPI, 172), INTC_IRQ(IIC30_NAKI, 173),
+        INTC_IRQ(IIC30_RXI, 174), INTC_IRQ(IIC30_TXI, 175),
+        INTC_IRQ(IIC30_TEI, 176),
+        INTC_IRQ(IIC31_STPI, 177), INTC_IRQ(IIC31_NAKI, 178),
+        INTC_IRQ(IIC31_RXI, 179), INTC_IRQ(IIC31_TXI, 180),
+        INTC_IRQ(IIC31_TEI, 181),
+        INTC_IRQ(IIC32_STPI, 182), INTC_IRQ(IIC32_NAKI, 183),
+        INTC_IRQ(IIC32_RXI, 184), INTC_IRQ(IIC32_TXI, 185),
+        INTC_IRQ(IIC32_TEI, 186),
+        INTC_IRQ(IIC33_STPI, 187), INTC_IRQ(IIC33_NAKI, 188),
+        INTC_IRQ(IIC33_RXI, 189), INTC_IRQ(IIC33_TXI, 190),
+        INTC_IRQ(IIC33_TEI, 191),
+        INTC_IRQ(SCIF0_BRI, 192), INTC_IRQ(SCIF0_ERI, 193),
+        INTC_IRQ(SCIF0_RXI, 194), INTC_IRQ(SCIF0_TXI, 195),
+        INTC_IRQ(SCIF1_BRI, 196), INTC_IRQ(SCIF1_ERI, 197),
+        INTC_IRQ(SCIF1_RXI, 198), INTC_IRQ(SCIF1_TXI, 199),
+        INTC_IRQ(SCIF2_BRI, 200), INTC_IRQ(SCIF2_ERI, 201),
+        INTC_IRQ(SCIF2_RXI, 202), INTC_IRQ(SCIF2_TXI, 203),
+        INTC_IRQ(SCIF3_BRI, 204), INTC_IRQ(SCIF3_ERI, 205),
+        INTC_IRQ(SCIF3_RXI, 206), INTC_IRQ(SCIF3_TXI, 207),
+        INTC_IRQ(SSU0_SSERI, 208), INTC_IRQ(SSU0_SSRXI, 209),
+        INTC_IRQ(SSU0_SSTXI, 210),
+        INTC_IRQ(SSU1_SSERI, 211), INTC_IRQ(SSU1_SSRXI, 212),
+        INTC_IRQ(SSU1_SSTXI, 213),
+        INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
+        INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
+        INTC_IRQ(FLCTL_FLSTEI, 224), INTC_IRQ(FLCTL_FLTENDI, 225),
+        INTC_IRQ(FLCTL_FLTREQ0I, 226), INTC_IRQ(FLCTL_FLTREQ1I, 227),
+        INTC_IRQ(RTC_ARM, 231), INTC_IRQ(RTC_PRD, 232),
+        INTC_IRQ(RTC_CUP, 233),
+        INTC_IRQ(RCAN0_ERS, 234), INTC_IRQ(RCAN0_OVR, 235),
+        INTC_IRQ(RCAN0_RM0, 236), INTC_IRQ(RCAN0_RM1, 237),
+        INTC_IRQ(RCAN0_SLE, 238),
+        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),
+};
+
+static struct intc_group groups[] __initdata = {
+        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
+                   PINT4, PINT5, PINT6, PINT7),
+        INTC_GROUP(DMAC0, DMAC0_DEI, DMAC0_HEI),
+        INTC_GROUP(DMAC1, DMAC1_DEI, DMAC1_HEI),
+        INTC_GROUP(DMAC2, DMAC2_DEI, DMAC2_HEI),
+        INTC_GROUP(DMAC3, DMAC3_DEI, DMAC3_HEI),
+        INTC_GROUP(DMAC4, DMAC4_DEI, DMAC4_HEI),
+        INTC_GROUP(DMAC5, DMAC5_DEI, DMAC5_HEI),
+        INTC_GROUP(DMAC6, DMAC6_DEI, DMAC6_HEI),
+        INTC_GROUP(DMAC7, DMAC7_DEI, DMAC7_HEI),
+        INTC_GROUP(MTU0_ABCD, MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D),
+        INTC_GROUP(MTU0_VEF, MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F),
+        INTC_GROUP(MTU1_AB, MTU2_TGI1A, MTU2_TGI1B),
+        INTC_GROUP(MTU1_VU, MTU2_TCI1V, MTU2_TCI1U),
+        INTC_GROUP(MTU2_AB, MTU2_TGI2A, MTU2_TGI2B),
+        INTC_GROUP(MTU2_VU, MTU2_TCI2V, MTU2_TCI2U),
+        INTC_GROUP(MTU3_ABCD, MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D),
+        INTC_GROUP(MTU4_ABCD, MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D),
+        INTC_GROUP(IIC30, IIC30_STPI, IIC30_NAKI, IIC30_RXI, IIC30_TXI,
+                   IIC30_TEI),
+        INTC_GROUP(IIC31, IIC31_STPI, IIC31_NAKI, IIC31_RXI, IIC31_TXI,
+                   IIC31_TEI),
+        INTC_GROUP(IIC32, IIC32_STPI, IIC32_NAKI, IIC32_RXI, IIC32_TXI,
+                   IIC32_TEI),
+        INTC_GROUP(IIC33, IIC33_STPI, IIC33_NAKI, IIC33_RXI, IIC33_TXI,
+                   IIC33_TEI),
+        INTC_GROUP(SCIF0, SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
+        INTC_GROUP(SCIF1, SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI),
+        INTC_GROUP(SCIF2, SCIF2_BRI, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
+        INTC_GROUP(SCIF3, SCIF3_BRI, SCIF3_ERI, SCIF3_RXI, SCIF3_TXI),
+        INTC_GROUP(SSU0, SSU0_SSERI, SSU0_SSRXI, SSU0_SSTXI),
+        INTC_GROUP(SSU1, SSU1_SSERI, SSU1_SSRXI, SSU1_SSTXI),
+        INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I,
+                   FLCTL_FLTREQ1I),
+        INTC_GROUP(RTC, RTC_ARM, RTC_PRD, RTC_CUP),
+        INTC_GROUP(RCAN0, RCAN0_ERS, RCAN0_OVR, RCAN0_RM0, RCAN0_RM1,
+                   RCAN0_SLE),
+        INTC_GROUP(RCAN1, RCAN1_ERS, RCAN1_OVR, RCAN1_RM0, RCAN1_RM1,
+                   RCAN1_SLE),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+        { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
+        { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
+        { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
+        { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
+        { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
+        { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
+        { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
+        { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
+                                              MTU2_VU } },
+        { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
+                                              MTU2_TCI4V } },
+        { 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 } },
+        { 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 } },
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+        { 0xfffe0808, 0, 16, /* PINTER */
+          { 0, 0, 0, 0, 0, 0, 0, 0,
+            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
+                         NULL, mask_registers, prio_registers, NULL);
+
+static struct plat_sci_port sci_platform_data[] = {
+        {
+                .mapbase        = 0xfffe8000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 193, 194, 195, 192 },
+        }, {
+                .mapbase        = 0xfffe8800,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 197, 198, 199, 196 },
+        }, {
+                .mapbase        = 0xfffe9000,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 201, 202, 203, 200 },
+        }, {
+                .mapbase        = 0xfffe9800,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .type           = PORT_SCIF,
+                .irqs           =  { 205, 206, 207, 204 },
+        }, {
+                .flags = 0,
+        }
+};
+
+static struct platform_device sci_device = {
+        .name           = "sh-sci",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = sci_platform_data,
+        },
+};
+
+static struct resource rtc_resources[] = {
+        [0] = {
+                .start  = 0xffff2000,
+                .end    = 0xffff2000 + 0x58 - 1,
+                .flags  = IORESOURCE_IO,
+        },
+        [1] = {
+                /* Period IRQ */
+                .start  = 232,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                /* Carry IRQ */
+                .start  = 233,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                /* Alarm IRQ */
+                .start  = 231,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device rtc_device = {
+        .name           = "sh-rtc",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(rtc_resources),
+        .resource       = rtc_resources,
+};
+
+static struct platform_device *sh7203_devices[] __initdata = {
+        &sci_device,
+        &rtc_device,
+};
+
+static int __init sh7203_devices_setup(void)
+{
+        return platform_add_devices(sh7203_devices,
+                                    ARRAY_SIZE(sh7203_devices));
+}
+__initcall(sh7203_devices_setup);
+
+void __init plat_irq_setup(void)
+{
+        register_intc_controller(&intc_desc);
+}
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 1ec40091a4e8..c5a453fb19ca 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -294,6 +294,7 @@ void __init setup_arch(char **cmdline_p)
 }
 
 static const char *cpu_name[] = {
+        [CPU_SH7203]    = "SH7203",
         [CPU_SH7206]    = "SH7206",     [CPU_SH7619]    = "SH7619",
         [CPU_SH7705]    = "SH7705",     [CPU_SH7706]    = "SH7706",
         [CPU_SH7707]    = "SH7707",     [CPU_SH7708]    = "SH7708",
diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c
index 82de6895ade5..4828a53d81ea 100644
--- a/arch/sh/kernel/timers/timer-cmt.c
+++ b/arch/sh/kernel/timers/timer-cmt.c
@@ -31,7 +31,7 @@
 #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_SH7206)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7203) || defined(CONFIG_CPU_SUBTYPE_SH7206)
 #define CMT_CMSTR       0xfffec000
 #define CMT_CMCSR_0     0xfffec002
 #define CMT_CMCNT_0     0xfffec004