aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cpu
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2008-03-13 12:52:44 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-04-18 09:50:01 -0700
commit2ad699080bbe3a88d17a1ff11e5575b76850174f (patch)
tree924b90ab51db68d1bbdc1d12780dd0eaed3dff0a /arch/sh/kernel/cpu
parentb9e393c2babb8b6956de52fc580b7c23f3629232 (diff)
sh: Initial support for the MX-G CPU.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu')
-rw-r--r--arch/sh/kernel/cpu/sh2a/Makefile7
-rw-r--r--arch/sh/kernel/cpu/sh2a/probe.c3
-rw-r--r--arch/sh/kernel/cpu/sh2a/setup-mxg.c168
3 files changed, 175 insertions, 3 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
index b279cdc3a23..7e2b90cfa7b 100644
--- a/arch/sh/kernel/cpu/sh2a/Makefile
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -8,6 +8,7 @@ common-y += $(addprefix ../sh2/, ex.o entry.o)
obj-$(CONFIG_SH_FPU) += fpu.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7203) += setup-sh7203.o clock-sh7203.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7263) += setup-sh7203.o clock-sh7203.o
+obj-$(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
+obj-$(CONFIG_CPU_SUBTYPE_MXG) += setup-mxg.o clock-sh7206.o
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
index 6910e266446..6e79132f6f3 100644
--- a/arch/sh/kernel/cpu/sh2a/probe.c
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -29,6 +29,9 @@ int __init detect_cpu_and_cache_system(void)
boot_cpu_data.type = CPU_SH7206;
/* While SH7206 has a DSP.. */
boot_cpu_data.flags |= CPU_HAS_DSP;
+#elif defined(CONFIG_CPU_SUBTYPE_MXG)
+ boot_cpu_data.type = CPU_MXG;
+ boot_cpu_data.flags |= CPU_HAS_DSP;
#endif
boot_cpu_data.dcache.ways = 4;
diff --git a/arch/sh/kernel/cpu/sh2a/setup-mxg.c b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
new file mode 100644
index 00000000000..e611d79fac4
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
@@ -0,0 +1,168 @@
+/*
+ * Renesas MX-G (R8A03022BG) Setup
+ *
+ * Copyright (C) 2008 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 <linux/serial_sci.h>
+
+enum {
+ UNUSED = 0,
+
+ /* interrupt sources */
+ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+ IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15,
+
+ PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
+
+ SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1,
+
+ SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
+ SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI,
+
+ 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,
+ MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W,
+
+ /* interrupt groups */
+ PINT, SCIF0, SCIF1,
+ MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5
+};
+
+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(IRQ8, 72), INTC_IRQ(IRQ9, 73),
+ INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75),
+ INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77),
+ INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79),
+
+ 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(SINT8, 94), INTC_IRQ(SINT7, 95),
+ INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97),
+ INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99),
+ INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101),
+
+ INTC_IRQ(SCIF0_RXI, 220), INTC_IRQ(SCIF0_TXI, 221),
+ INTC_IRQ(SCIF0_BRI, 222), INTC_IRQ(SCIF0_ERI, 223),
+ INTC_IRQ(SCIF1_RXI, 224), INTC_IRQ(SCIF1_TXI, 225),
+ INTC_IRQ(SCIF1_BRI, 226), INTC_IRQ(SCIF1_ERI, 227),
+
+ INTC_IRQ(MTU2_TGI0A, 228), INTC_IRQ(MTU2_TGI0B, 229),
+ INTC_IRQ(MTU2_TGI0C, 230), INTC_IRQ(MTU2_TGI0D, 231),
+ INTC_IRQ(MTU2_TCI0V, 232), INTC_IRQ(MTU2_TGI0E, 233),
+
+ INTC_IRQ(MTU2_TGI0F, 234), INTC_IRQ(MTU2_TGI1A, 235),
+ INTC_IRQ(MTU2_TGI1B, 236), INTC_IRQ(MTU2_TCI1V, 237),
+ INTC_IRQ(MTU2_TCI1U, 238), INTC_IRQ(MTU2_TGI2A, 239),
+
+ INTC_IRQ(MTU2_TGI2B, 240), INTC_IRQ(MTU2_TCI2V, 241),
+ INTC_IRQ(MTU2_TCI2U, 242), INTC_IRQ(MTU2_TGI3A, 243),
+
+ INTC_IRQ(MTU2_TGI3B, 244),
+ INTC_IRQ(MTU2_TGI3C, 245),
+
+ INTC_IRQ(MTU2_TGI3D, 246), INTC_IRQ(MTU2_TCI3V, 247),
+ INTC_IRQ(MTU2_TGI4A, 248), INTC_IRQ(MTU2_TGI4B, 249),
+ INTC_IRQ(MTU2_TGI4C, 250), INTC_IRQ(MTU2_TGI4D, 251),
+
+ INTC_IRQ(MTU2_TCI4V, 252), INTC_IRQ(MTU2_TGI5U, 253),
+ INTC_IRQ(MTU2_TGI5V, 254), INTC_IRQ(MTU2_TGI5W, 255),
+};
+
+static struct intc_group groups[] __initdata = {
+ INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
+ PINT4, PINT5, PINT6, PINT7),
+ INTC_GROUP(MTU2_GROUP1, MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D,
+ MTU2_TCI0V, MTU2_TGI0E),
+ INTC_GROUP(MTU2_GROUP2, MTU2_TGI0F, MTU2_TGI1A, MTU2_TGI1B,
+ MTU2_TCI1V, MTU2_TCI1U, MTU2_TGI2A),
+ INTC_GROUP(MTU2_GROUP3, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U,
+ MTU2_TGI3A),
+ INTC_GROUP(MTU2_GROUP4, MTU2_TGI3D, MTU2_TCI3V, MTU2_TGI4A,
+ MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D),
+ INTC_GROUP(MTU2_GROUP5, MTU2_TCI4V, MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W),
+ INTC_GROUP(SCIF0, SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
+ INTC_GROUP(SCIF1, SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
+ { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
+ { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } },
+ { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } },
+ { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
+ { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } },
+ { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } },
+ { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } },
+ { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } },
+ { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } },
+ { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } },
+ { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } },
+ { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } },
+ { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } },
+ { 0xfffd9812, 0, 16, 4, /* IPR15 */
+ { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } },
+ { 0xfffd9814, 0, 16, 4, /* IPR16 */
+ { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } },
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xfffd9408, 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, "mxg", vectors, groups,
+ mask_registers, prio_registers, NULL);
+
+static struct plat_sci_port sci_platform_data[] = {
+ {
+ .mapbase = 0xff804000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 223, 220, 221, 222 },
+ }, {
+ .flags = 0,
+ }
+};
+
+static struct platform_device sci_device = {
+ .name = "sh-sci",
+ .id = -1,
+ .dev = {
+ .platform_data = sci_platform_data,
+ },
+};
+
+static struct platform_device *mxg_devices[] __initdata = {
+ &sci_device,
+};
+
+static int __init mxg_devices_setup(void)
+{
+ return platform_add_devices(mxg_devices,
+ ARRAY_SIZE(mxg_devices));
+}
+__initcall(mxg_devices_setup);
+
+void __init plat_irq_setup(void)
+{
+ register_intc_controller(&intc_desc);
+}