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-rw-r--r--arch/sh/kernel/cpu/irq/intc2.c3
-rw-r--r--arch/sh/kernel/cpu/sh4/probe.c8
-rw-r--r--arch/sh/kernel/cpu/sh4a/Makefile2
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7785.c162
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7785.c98
-rw-r--r--arch/sh/kernel/timers/timer-tmu.c4
6 files changed, 275 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index 74defe76a058..d8e22f4ff0f0 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -18,7 +18,8 @@
#define INTC2_BASE 0xfe080000
#define INTC2_INTMSK (INTC2_BASE + 0x40)
#define INTC2_INTMSKCLR (INTC2_BASE + 0x60)
-#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7785)
#define INTC2_BASE 0xffd40000
#define INTC2_INTMSK (INTC2_BASE + 0x38)
#define INTC2_INTMSKCLR (INTC2_BASE + 0x3c)
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 58950de2696d..8cd04904c77a 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -124,6 +124,14 @@ int __init detect_cpu_and_cache_system(void)
current_cpu_data.dcache.ways = 4;
current_cpu_data.flags |= CPU_HAS_LLSC;
break;
+ case 0x3004:
+ case 0x3007:
+ current_cpu_data.type = CPU_SH7785;
+ current_cpu_data.icache.ways = 4;
+ current_cpu_data.dcache.ways = 4;
+ current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+ CPU_HAS_LLSC;
+ break;
case 0x3008:
if (prr == 0xa0) {
current_cpu_data.type = CPU_SH7722;
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index a8f493f2f21f..1efeda0e1829 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -5,6 +5,7 @@
# CPU subtype setup
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_SH73180) += setup-sh73180.o
obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o
obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o
@@ -13,6 +14,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH73180) := clock-sh73180.o
clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o
clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o
clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7343.o
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
new file mode 100644
index 000000000000..805535aa505e
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -0,0 +1,162 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+ *
+ * SH7785 support for the clock framework
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+static int ifc_divisors[] = { 1, 2, 4, 6 };
+static int ufc_divisors[] = { 1, 1, 4, 6 };
+static int sfc_divisors[] = { 1, 1, 4, 6 };
+static int bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18,
+ 24, 32, 36, 48, 1, 1, 1, 1 };
+static int mfc_divisors[] = { 1, 1, 4, 6 };
+static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18,
+ 24, 32, 36, 48, 1, 1, 1, 1 };
+
+static void master_clk_init(struct clk *clk)
+{
+ clk->rate *= 36;
+}
+
+static struct clk_ops sh7785_master_clk_ops = {
+ .init = master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+ int idx = (ctrl_inl(FRQMR1) & 0x000f);
+ clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_module_clk_ops = {
+ .recalc = module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+ int idx = ((ctrl_inl(FRQMR1) >> 16) & 0x000f);
+ clk->rate = clk->parent->rate / bfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_bus_clk_ops = {
+ .recalc = bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+ int idx = ((ctrl_inl(FRQMR1) >> 28) & 0x0003);
+ clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+
+static struct clk_ops sh7785_cpu_clk_ops = {
+ .recalc = cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7785_clk_ops[] = {
+ &sh7785_master_clk_ops,
+ &sh7785_module_clk_ops,
+ &sh7785_bus_clk_ops,
+ &sh7785_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+ if (idx < ARRAY_SIZE(sh7785_clk_ops))
+ *ops = sh7785_clk_ops[idx];
+}
+
+static void shyway_clk_recalc(struct clk *clk)
+{
+ int idx = ((ctrl_inl(FRQMR1) >> 20) & 0x0003);
+ clk->rate = clk->parent->rate / sfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_shyway_clk_ops = {
+ .recalc = shyway_clk_recalc,
+};
+
+static struct clk sh7785_shyway_clk = {
+ .name = "shyway_clk",
+ .flags = CLK_ALWAYS_ENABLED,
+ .ops = &sh7785_shyway_clk_ops,
+};
+
+static void ddr_clk_recalc(struct clk *clk)
+{
+ int idx = ((ctrl_inl(FRQMR1) >> 12) & 0x0003);
+ clk->rate = clk->parent->rate / mfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_ddr_clk_ops = {
+ .recalc = ddr_clk_recalc,
+};
+
+static struct clk sh7785_ddr_clk = {
+ .name = "ddr_clk",
+ .flags = CLK_ALWAYS_ENABLED,
+ .ops = &sh7785_ddr_clk_ops,
+};
+
+static void ram_clk_recalc(struct clk *clk)
+{
+ int idx = ((ctrl_inl(FRQMR1) >> 24) & 0x0003);
+ clk->rate = clk->parent->rate / ufc_divisors[idx];
+}
+
+static struct clk_ops sh7785_ram_clk_ops = {
+ .recalc = ram_clk_recalc,
+};
+
+static struct clk sh7785_ram_clk = {
+ .name = "ram_clk",
+ .flags = CLK_ALWAYS_ENABLED,
+ .ops = &sh7785_ram_clk_ops,
+};
+
+/*
+ * Additional SH7785-specific on-chip clocks that aren't already part of the
+ * clock framework
+ */
+static struct clk *sh7785_onchip_clocks[] = {
+ &sh7785_shyway_clk,
+ &sh7785_ddr_clk,
+ &sh7785_ram_clk,
+};
+
+static int __init sh7785_clk_init(void)
+{
+ struct clk *clk = clk_get(NULL, "master_clk");
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(sh7785_onchip_clocks); i++) {
+ struct clk *clkp = sh7785_onchip_clocks[i];
+
+ clkp->parent = clk;
+ clk_register(clkp);
+ clk_enable(clkp);
+ }
+
+ /*
+ * Now that we have the rest of the clocks registered, we need to
+ * force the parent clock to propagate so that these clocks will
+ * automatically figure out their rate. We cheat by handing the
+ * parent clock its current rate and forcing child propagation.
+ */
+ clk_set_rate(clk, clk_get_rate(clk));
+
+ clk_put(clk);
+
+ return 0;
+}
+arch_initcall(sh7785_clk_init);
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
new file mode 100644
index 000000000000..c9ae6592f098
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -0,0 +1,98 @@
+/*
+ * SH7785 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>
+
+static struct plat_sci_port sci_platform_data[] = {
+ {
+ .mapbase = 0xffea0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 40, 41, 43, 42 },
+ }, {
+ .mapbase = 0xffeb0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 44, 45, 47, 46 },
+ },
+
+ /*
+ * The rest of these all have multiplexed IRQs
+ */
+ {
+ .mapbase = 0xffec0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 60, 60, 60, 60 },
+ }, {
+ .mapbase = 0xffed0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 61, 61, 61, 61 },
+ }, {
+ .mapbase = 0xffee0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 62, 62, 62, 62 },
+ }, {
+ .mapbase = 0xffef0000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 63, 63, 63, 63 },
+ }, {
+ .flags = 0,
+ }
+};
+
+static struct platform_device sci_device = {
+ .name = "sh-sci",
+ .id = -1,
+ .dev = {
+ .platform_data = sci_platform_data,
+ },
+};
+
+static struct platform_device *sh7785_devices[] __initdata = {
+ &sci_device,
+};
+
+static int __init sh7785_devices_setup(void)
+{
+ return platform_add_devices(sh7785_devices,
+ ARRAY_SIZE(sh7785_devices));
+}
+__initcall(sh7785_devices_setup);
+
+static struct intc2_data intc2_irq_table[] = {
+ { 28, 0, 24, 0, 0, 2 }, /* TMU0 */
+
+ { 40, 8, 24, 0, 3, 3 }, /* SCIF0 ERI */
+ { 41, 8, 24, 0, 3, 3 }, /* SCIF0 RXI */
+ { 42, 8, 24, 0, 3, 3 }, /* SCIF0 BRI */
+ { 43, 8, 24, 0, 3, 3 }, /* SCIF0 TXI */
+
+ { 76, 8, 16, 0, 4, 3 }, /* SCIF1 ERI */
+ { 77, 8, 16, 0, 4, 3 }, /* SCIF1 RXI */
+ { 78, 8, 16, 0, 4, 3 }, /* SCIF1 BRI */
+ { 79, 8, 16, 0, 4, 3 }, /* SCIF1 TXI */
+
+ { 64, 0x14, 8, 0, 14, 2 }, /* PCIC0 */
+ { 65, 0x14, 0, 0, 15, 2 }, /* PCIC1 */
+ { 66, 0x18, 24, 0, 16, 2 }, /* PCIC2 */
+ { 67, 0x18, 16, 0, 17, 2 }, /* PCIC3 */
+ { 68, 0x18, 8, 0, 18, 2 }, /* PCIC4 */
+};
+
+void __init init_IRQ_intc2(void)
+{
+ make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+}
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index e060e71d0785..ad1ede52fc9c 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -148,7 +148,9 @@ static int tmu_timer_init(void)
/* Start TMU0 */
tmu_timer_stop();
-#if !defined(CONFIG_CPU_SUBTYPE_SH7300) && !defined(CONFIG_CPU_SUBTYPE_SH7760)
+#if !defined(CONFIG_CPU_SUBTYPE_SH7300) && \
+ !defined(CONFIG_CPU_SUBTYPE_SH7760) && \
+ !defined(CONFIG_CPU_SUBTYPE_SH7785)
ctrl_outb(TMU_TOCR_INIT, TMU_TOCR);
#endif
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-21 00:15:11 +0200