-From 7efb2cae3df49ba749860a0df04933dc522da224 Mon Sep 17 00:00:00 2001
+From e1828438bbdd0623cf7f9c6672f2fe65b1349aa6 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Sat, 24 Apr 2010 17:35:05 +0200
Subject: [PATCH] Add JZ4740 SoC core support
arch/mips/include/asm/mach-jz4740/timer.h | 22 +
arch/mips/include/asm/mach-jz4740/war.h | 25 +
arch/mips/jz4740/Kconfig | 29 +
- arch/mips/jz4740/Makefile | 17 +
+ arch/mips/jz4740/Makefile | 18 +
arch/mips/jz4740/clock-debugfs.c | 109 +++
arch/mips/jz4740/clock.c | 935 ++++++++++++++++++++++++++
arch/mips/jz4740/clock.h | 75 ++
- arch/mips/jz4740/dma.c | 339 ++++++++++
+ arch/mips/jz4740/dma.c | 336 +++++++++
arch/mips/jz4740/gpio.c | 598 ++++++++++++++++
- arch/mips/jz4740/irq.c | 174 +++++
+ arch/mips/jz4740/irq.c | 170 +++++
arch/mips/jz4740/irq.h | 21 +
arch/mips/jz4740/platform.c | 246 +++++++
arch/mips/jz4740/pm.c | 59 ++
arch/mips/jz4740/reset.c | 81 +++
arch/mips/jz4740/reset.h | 7 +
arch/mips/jz4740/setup.c | 64 ++
- arch/mips/jz4740/time.c | 145 ++++
- arch/mips/jz4740/timer.c | 45 ++
+ arch/mips/jz4740/time.c | 144 ++++
+ arch/mips/jz4740/timer.c | 48 ++
arch/mips/jz4740/timer.h | 130 ++++
arch/mips/kernel/cpu-probe.c | 20 +
arch/mips/mm/tlbex.c | 5 +
- 34 files changed, 4073 insertions(+), 1 deletions(-)
+ 34 files changed, 4069 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/include/asm/mach-jz4740/base.h
create mode 100644 arch/mips/include/asm/mach-jz4740/clock.h
create mode 100644 arch/mips/include/asm/mach-jz4740/dma.h
+#endif
diff --git a/arch/mips/include/asm/mach-jz4740/dma.h b/arch/mips/include/asm/mach-jz4740/dma.h
new file mode 100644
-index 0000000..d31d4e0
+index 0000000..bb7fc1e
--- /dev/null
+++ b/arch/mips/include/asm/mach-jz4740/dma.h
@@ -0,0 +1,90 @@
+};
+
+enum jz4740_dma_width {
-+ JZ4740_DMA_WIDTH_8BIT,
-+ JZ4740_DMA_WIDTH_16BIT,
-+ JZ4740_DMA_WIDTH_32BIT,
++ JZ4740_DMA_WIDTH_32BIT = 0,
++ JZ4740_DMA_WIDTH_8BIT = 1,
++ JZ4740_DMA_WIDTH_16BIT = 2,
+};
+
+enum jz4740_dma_transfer_size {
+#endif /* __ASM_MIPS_MACH_JZ4740_WAR_H */
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
new file mode 100644
-index 0000000..5f6da09
+index 0000000..b959769
--- /dev/null
+++ b/arch/mips/jz4740/Kconfig
@@ -0,0 +1,29 @@
+choice
-+ prompt "Machine type"
-+ depends on MACH_JZ
-+ default JZ4740_QI_LB60
++ prompt "Machine type"
++ depends on MACH_JZ
++ default JZ4740_QI_LB60
+
+endchoice
+
+ bool
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
new file mode 100644
-index 0000000..e389ddd
+index 0000000..398ee91
--- /dev/null
+++ b/arch/mips/jz4740/Makefile
-@@ -0,0 +1,17 @@
+@@ -0,0 +1,18 @@
+#
+# Makefile for the Ingenic JZ4740.
+#
+
+# PM support
+
-+obj-$(CONFIG_PM) += pm.o
++obj-$(CONFIG_PM) += pm.o
+
++EXTRA_CFLAGS += -Werror -Wall
diff --git a/arch/mips/jz4740/clock-debugfs.c b/arch/mips/jz4740/clock-debugfs.c
new file mode 100644
index 0000000..993b91b
+}
diff --git a/arch/mips/jz4740/clock.c b/arch/mips/jz4740/clock.c
new file mode 100644
-index 0000000..3954a20
+index 0000000..df0d6d3
--- /dev/null
+++ b/arch/mips/jz4740/clock.c
@@ -0,0 +1,935 @@
+ struct clk *clk;
+
+ list_for_each_entry(clk, &jz_clocks, list) {
-+ if (strcmp(clk->name, name) == 0)
++ if (strcmp(clk->name, name) == 0)
+ return clk;
+ }
+ return ERR_PTR(-ENOENT);
+#endif
diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c
new file mode 100644
-index 0000000..217ddc8
+index 0000000..b712afc
--- /dev/null
+++ b/arch/mips/jz4740/dma.c
-@@ -0,0 +1,339 @@
+@@ -0,0 +1,336 @@
+/*
+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 SoC DMA support
+ const struct jz4740_dma_config *config)
+{
+ uint32_t cmd;
-+ uint32_t ctrl;
+
+ switch (config->transfer_size) {
+ case JZ4740_DMA_TRANSFER_SIZE_2BYTE:
+ cmd |= config->mode << JZ_DMA_CMD_MODE_OFFSET;
+ cmd |= JZ_DMA_CMD_TRANSFER_IRQ_ENABLE;
+
-+ ctrl = JZ_DMA_STATUS_CTRL_NO_DESC;
-+ ctrl |= JZ_DMA_STATUS_CTRL_HALT;
-+
+ jz4740_dma_write(JZ_REG_DMA_CMD(dma->id), cmd);
-+ jz4740_dma_write(JZ_REG_DMA_STATUS_CTRL(dma->id), ctrl);
++ jz4740_dma_write(JZ_REG_DMA_STATUS_CTRL(dma->id), 0);
+ jz4740_dma_write(JZ_REG_DMA_REQ_TYPE(dma->id), config->request_type);
+}
+EXPORT_SYMBOL_GPL(jz4740_dma_configure);
+void jz4740_dma_enable(struct jz4740_dma_chan *dma)
+{
+ jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id),
-+ JZ_DMA_STATUS_CTRL_ENABLE,
-+ JZ_DMA_STATUS_CTRL_ENABLE | JZ_DMA_STATUS_CTRL_HALT);
++ JZ_DMA_STATUS_CTRL_NO_DESC | JZ_DMA_STATUS_CTRL_ENABLE,
++ JZ_DMA_STATUS_CTRL_HALT | JZ_DMA_STATUS_CTRL_NO_DESC |
++ JZ_DMA_STATUS_CTRL_ENABLE);
+
+ jz4740_dma_write_mask(JZ_REG_DMA_CTRL,
+ JZ_DMA_CTRL_ENABLE,
-+ JZ_DMA_CTRL_ENABLE | JZ_DMA_CTRL_HALT);
++ JZ_DMA_CTRL_HALT | JZ_DMA_CTRL_ENABLE);
+}
+EXPORT_SYMBOL_GPL(jz4740_dma_enable);
+
+arch_initcall(jz4740_dma_init);
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
new file mode 100644
-index 0000000..14d8288
+index 0000000..84f4ef9
--- /dev/null
+++ b/arch/mips/jz4740/gpio.c
@@ -0,0 +1,598 @@
+ ret = sysdev_register(&chip->sysdev);
+
+ if (ret)
-+ return ret;
++ return ret;
+
+ spin_lock_init(&chip->lock);
+
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i) {
-+ jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
++ jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
+ }
+
+ printk(KERN_INFO "JZ4740 GPIO initalized\n");
+#endif
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
new file mode 100644
-index 0000000..a8c76af
+index 0000000..46a03ee
--- /dev/null
+++ b/arch/mips/jz4740/irq.c
-@@ -0,0 +1,174 @@
+@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 platform IRQ support
+ writel(IRQ_BIT(irq), jz_intc_base + JZ_REG_INTC_SET_MASK);
+}
+
-+static void intc_irq_ack(unsigned int irq)
-+{
-+ writel(IRQ_BIT(irq), jz_intc_base + JZ_REG_INTC_PENDING);
-+}
-+
+static int intc_irq_set_wake(unsigned int irq, unsigned int on)
+{
+ if (on)
+static struct irq_chip intc_irq_type = {
+ .name = "INTC",
+ .mask = intc_irq_mask,
++ .mask_ack = intc_irq_mask,
+ .unmask = intc_irq_unmask,
-+ .ack = intc_irq_ack,
+ .set_wake = intc_irq_set_wake,
+};
+
+ int intc_irq;
+
+ irq_reg = readl(jz_intc_base + JZ_REG_INTC_PENDING);
++
+ intc_irq = ffs(irq_reg);
+ if (intc_irq)
+ generic_handle_irq(intc_irq - 1 + JZ4740_IRQ_BASE);
+}
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
new file mode 100644
-index 0000000..7721ba7
+index 0000000..da8183f
--- /dev/null
+++ b/arch/mips/jz4740/time.c
-@@ -0,0 +1,145 @@
+@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 platform time support
+
+ cd->event_handler(cd);
+
-+ return IRQ_HANDLED;
++ return IRQ_HANDLED;
+}
+
+static void jz4740_clockevent_set_mode(enum clock_event_mode mode,
+ .handler = jz4740_clockevent_irq,
+ .flags = IRQF_PERCPU | IRQF_TIMER | IRQF_DISABLED,
+ .name = "jz4740-timerirq",
-+ .dev_id = &jz4740_clockevent,
++ .dev_id = &jz4740_clockevent,
+};
+
+void __init plat_time_init(void)
+ jz4740_timer_init();
+
+ clk_rate = jz4740_clock_bdata.ext_rate >> 4;
-+ jz4740_jiffies_per_tick = DIV_ROUND_CLOSEST(clk_rate, HZ);
++ jz4740_jiffies_per_tick = DIV_ROUND_CLOSEST(clk_rate, HZ);
+
+ clockevent_set_clock(&jz4740_clockevent, clk_rate);
+ jz4740_clockevent.min_delta_ns = clockevent_delta2ns(100, &jz4740_clockevent);
+ ret = clocksource_register(&jz4740_clocksource);
+
+ if (ret)
-+ printk(KERN_ERR "Failed to register clocksource: %d\n", ret);
++ printk(KERN_ERR "Failed to register clocksource: %d\n", ret);
+
+ setup_irq(JZ4740_IRQ_TCU0, &timer_irqaction);
+
+ jz4740_timer_set_ctrl(TIMER_CLOCKSOURCE, ctrl);
+
+ jz4740_timer_set_period(TIMER_CLOCKEVENT, jz4740_jiffies_per_tick);
-+ jz4740_timer_irq_full_enable(TIMER_CLOCKEVENT);
++ jz4740_timer_irq_full_enable(TIMER_CLOCKEVENT);
+
-+ jz4740_timer_irq_full_disable(TIMER_CLOCKSOURCE);
+ jz4740_timer_set_period(TIMER_CLOCKSOURCE, 0xffff);
+
+ jz4740_timer_enable(TIMER_CLOCKEVENT);
+}
diff --git a/arch/mips/jz4740/timer.c b/arch/mips/jz4740/timer.c
new file mode 100644
-index 0000000..208f14c
+index 0000000..6e09cae
--- /dev/null
+++ b/arch/mips/jz4740/timer.c
-@@ -0,0 +1,45 @@
+@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 platform timer support
+ if (!jz4740_timer_base)
+ panic("Failed to ioremap timer registers");
+
-+ /* Disable all timers except those used as system timers */
-+ writel(0x100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
++ /* Disable all timer clocks except for those used as system timers */
++ writel(0x000100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
++
++ /* Timer irqs are unmasked by default, mask them */
++ writel(0x00ff00ff, jz4740_timer_base + JZ_REG_TIMER_MASK_SET);
+}
diff --git a/arch/mips/jz4740/timer.h b/arch/mips/jz4740/timer.h
new file mode 100644
projects / openwrt / staging / luka.git / commitdiff