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-rw-r--r--kernel/arch/mips/jz4740/Kconfig17
-rw-r--r--kernel/arch/mips/jz4740/Makefile8
-rw-r--r--kernel/arch/mips/jz4740/Platform8
-rw-r--r--kernel/arch/mips/jz4740/board-qi_lb60.c21
-rw-r--r--kernel/arch/mips/jz4740/clock-debugfs.c108
-rw-r--r--kernel/arch/mips/jz4740/clock.c924
-rw-r--r--kernel/arch/mips/jz4740/clock.h76
-rw-r--r--kernel/arch/mips/jz4740/gpio.c34
-rw-r--r--kernel/arch/mips/jz4740/irq.c162
-rw-r--r--kernel/arch/mips/jz4740/irq.h23
-rw-r--r--kernel/arch/mips/jz4740/platform.c38
-rw-r--r--kernel/arch/mips/jz4740/pm.c2
-rw-r--r--kernel/arch/mips/jz4740/prom.c13
-rw-r--r--kernel/arch/mips/jz4740/reset.c13
-rw-r--r--kernel/arch/mips/jz4740/serial.c33
-rw-r--r--kernel/arch/mips/jz4740/serial.h23
-rw-r--r--kernel/arch/mips/jz4740/setup.c36
-rw-r--r--kernel/arch/mips/jz4740/time.c65
18 files changed, 140 insertions, 1464 deletions
diff --git a/kernel/arch/mips/jz4740/Kconfig b/kernel/arch/mips/jz4740/Kconfig
index 468903053..36f820176 100644
--- a/kernel/arch/mips/jz4740/Kconfig
+++ b/kernel/arch/mips/jz4740/Kconfig
@@ -1,9 +1,24 @@
choice
prompt "Machine type"
- depends on MACH_JZ4740
+ depends on MACH_INGENIC
default JZ4740_QI_LB60
config JZ4740_QI_LB60
bool "Qi Hardware Ben NanoNote"
+ select MACH_JZ4740
+
+config JZ4780_CI20
+ bool "MIPS Creator CI20"
+ select MACH_JZ4780
endchoice
+
+config MACH_JZ4740
+ bool
+ select SYS_HAS_CPU_MIPS32_R1
+
+config MACH_JZ4780
+ bool
+ select MIPS_CPU_SCACHE
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_SUPPORTS_HIGHMEM
diff --git a/kernel/arch/mips/jz4740/Makefile b/kernel/arch/mips/jz4740/Makefile
index 28e5535df..39d70bde8 100644
--- a/kernel/arch/mips/jz4740/Makefile
+++ b/kernel/arch/mips/jz4740/Makefile
@@ -4,10 +4,12 @@
# Object file lists.
-obj-y += prom.o irq.o time.o reset.o setup.o \
- gpio.o clock.o platform.o timer.o serial.o
+obj-y += prom.o time.o reset.o setup.o \
+ platform.o timer.o
-obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o
+obj-$(CONFIG_MACH_JZ4740) += gpio.o
+
+CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt
# board specific support
diff --git a/kernel/arch/mips/jz4740/Platform b/kernel/arch/mips/jz4740/Platform
index c41d30080..28448d358 100644
--- a/kernel/arch/mips/jz4740/Platform
+++ b/kernel/arch/mips/jz4740/Platform
@@ -1,4 +1,4 @@
-platform-$(CONFIG_MACH_JZ4740) += jz4740/
-cflags-$(CONFIG_MACH_JZ4740) += -I$(srctree)/arch/mips/include/asm/mach-jz4740
-load-$(CONFIG_MACH_JZ4740) += 0xffffffff80010000
-zload-$(CONFIG_MACH_JZ4740) += 0xffffffff80600000
+platform-$(CONFIG_MACH_INGENIC) += jz4740/
+cflags-$(CONFIG_MACH_INGENIC) += -I$(srctree)/arch/mips/include/asm/mach-jz4740
+load-$(CONFIG_MACH_INGENIC) += 0xffffffff80010000
+zload-$(CONFIG_MACH_INGENIC) += 0xffffffff80600000
diff --git a/kernel/arch/mips/jz4740/board-qi_lb60.c b/kernel/arch/mips/jz4740/board-qi_lb60.c
index 9dd051edb..934b15b5b 100644
--- a/kernel/arch/mips/jz4740/board-qi_lb60.c
+++ b/kernel/arch/mips/jz4740/board-qi_lb60.c
@@ -25,7 +25,9 @@
#include <linux/power_supply.h>
#include <linux/power/jz4740-battery.h>
#include <linux/power/gpio-charger.h>
+#include <linux/pwm.h>
+#include <asm/mach-jz4740/gpio.h>
#include <asm/mach-jz4740/jz4740_fb.h>
#include <asm/mach-jz4740/jz4740_mmc.h>
#include <asm/mach-jz4740/jz4740_nand.h>
@@ -33,8 +35,6 @@
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
-#include <linux/leds_pwm.h>
-
#include <asm/mach-jz4740/platform.h>
#include "clock.h"
@@ -398,13 +398,15 @@ static struct platform_device avt2_usb_regulator_device = {
}
};
+static struct pwm_lookup qi_lb60_pwm_lookup[] = {
+ PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
+ PWM_POLARITY_NORMAL),
+};
+
/* beeper */
static struct platform_device qi_lb60_pwm_beeper = {
.name = "pwm-beeper",
.id = -1,
- .dev = {
- .platform_data = (void *)4,
- },
};
/* charger */
@@ -482,8 +484,6 @@ static int __init qi_lb60_init_platform_devices(void)
gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
- jz4740_serial_device_register();
-
spi_register_board_info(qi_lb60_spi_board_info,
ARRAY_SIZE(qi_lb60_spi_board_info));
@@ -492,16 +492,13 @@ static int __init qi_lb60_init_platform_devices(void)
platform_device_register(&jz4740_usb_ohci_device);
}
+ pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
+
return platform_add_devices(jz_platform_devices,
ARRAY_SIZE(jz_platform_devices));
}
-struct jz4740_clock_board_data jz4740_clock_bdata = {
- .ext_rate = 12000000,
- .rtc_rate = 32768,
-};
-
static __init int board_avt2(char *str)
{
qi_lb60_mmc_pdata.card_detect_active_low = 1;
diff --git a/kernel/arch/mips/jz4740/clock-debugfs.c b/kernel/arch/mips/jz4740/clock-debugfs.c
deleted file mode 100644
index 325422d0d..000000000
--- a/kernel/arch/mips/jz4740/clock-debugfs.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 SoC clock support debugfs entries
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-
-#include <linux/debugfs.h>
-#include <linux/uaccess.h>
-
-#include <asm/mach-jz4740/clock.h>
-#include "clock.h"
-
-static struct dentry *jz4740_clock_debugfs;
-
-static int jz4740_clock_debugfs_show_enabled(void *data, uint64_t *value)
-{
- struct clk *clk = data;
- *value = clk_is_enabled(clk);
-
- return 0;
-}
-
-static int jz4740_clock_debugfs_set_enabled(void *data, uint64_t value)
-{
- struct clk *clk = data;
-
- if (value)
- return clk_enable(clk);
- else
- clk_disable(clk);
-
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(jz4740_clock_debugfs_ops_enabled,
- jz4740_clock_debugfs_show_enabled,
- jz4740_clock_debugfs_set_enabled,
- "%llu\n");
-
-static int jz4740_clock_debugfs_show_rate(void *data, uint64_t *value)
-{
- struct clk *clk = data;
- *value = clk_get_rate(clk);
-
- return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(jz4740_clock_debugfs_ops_rate,
- jz4740_clock_debugfs_show_rate,
- NULL,
- "%llu\n");
-
-void jz4740_clock_debugfs_add_clk(struct clk *clk)
-{
- if (!jz4740_clock_debugfs)
- return;
-
- clk->debugfs_entry = debugfs_create_dir(clk->name, jz4740_clock_debugfs);
- debugfs_create_file("rate", S_IWUGO | S_IRUGO, clk->debugfs_entry, clk,
- &jz4740_clock_debugfs_ops_rate);
- debugfs_create_file("enabled", S_IRUGO, clk->debugfs_entry, clk,
- &jz4740_clock_debugfs_ops_enabled);
-
- if (clk->parent) {
- char parent_path[100];
- snprintf(parent_path, 100, "../%s", clk->parent->name);
- clk->debugfs_parent_entry = debugfs_create_symlink("parent",
- clk->debugfs_entry,
- parent_path);
- }
-}
-
-/* TODO: Locking */
-void jz4740_clock_debugfs_update_parent(struct clk *clk)
-{
- debugfs_remove(clk->debugfs_parent_entry);
-
- if (clk->parent) {
- char parent_path[100];
- snprintf(parent_path, 100, "../%s", clk->parent->name);
- clk->debugfs_parent_entry = debugfs_create_symlink("parent",
- clk->debugfs_entry,
- parent_path);
- } else {
- clk->debugfs_parent_entry = NULL;
- }
-}
-
-void jz4740_clock_debugfs_init(void)
-{
- jz4740_clock_debugfs = debugfs_create_dir("jz4740-clock", NULL);
- if (IS_ERR(jz4740_clock_debugfs))
- jz4740_clock_debugfs = NULL;
-}
diff --git a/kernel/arch/mips/jz4740/clock.c b/kernel/arch/mips/jz4740/clock.c
deleted file mode 100644
index 1b5f55426..000000000
--- a/kernel/arch/mips/jz4740/clock.c
+++ /dev/null
@@ -1,924 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 SoC clock support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/clk.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/err.h>
-
-#include <asm/mach-jz4740/clock.h>
-#include <asm/mach-jz4740/base.h>
-
-#include "clock.h"
-
-#define JZ_REG_CLOCK_CTRL 0x00
-#define JZ_REG_CLOCK_LOW_POWER 0x04
-#define JZ_REG_CLOCK_PLL 0x10
-#define JZ_REG_CLOCK_GATE 0x20
-#define JZ_REG_CLOCK_SLEEP_CTRL 0x24
-#define JZ_REG_CLOCK_I2S 0x60
-#define JZ_REG_CLOCK_LCD 0x64
-#define JZ_REG_CLOCK_MMC 0x68
-#define JZ_REG_CLOCK_UHC 0x6C
-#define JZ_REG_CLOCK_SPI 0x74
-
-#define JZ_CLOCK_CTRL_I2S_SRC_PLL BIT(31)
-#define JZ_CLOCK_CTRL_KO_ENABLE BIT(30)
-#define JZ_CLOCK_CTRL_UDC_SRC_PLL BIT(29)
-#define JZ_CLOCK_CTRL_UDIV_MASK 0x1f800000
-#define JZ_CLOCK_CTRL_CHANGE_ENABLE BIT(22)
-#define JZ_CLOCK_CTRL_PLL_HALF BIT(21)
-#define JZ_CLOCK_CTRL_LDIV_MASK 0x001f0000
-#define JZ_CLOCK_CTRL_UDIV_OFFSET 23
-#define JZ_CLOCK_CTRL_LDIV_OFFSET 16
-#define JZ_CLOCK_CTRL_MDIV_OFFSET 12
-#define JZ_CLOCK_CTRL_PDIV_OFFSET 8
-#define JZ_CLOCK_CTRL_HDIV_OFFSET 4
-#define JZ_CLOCK_CTRL_CDIV_OFFSET 0
-
-#define JZ_CLOCK_GATE_UART0 BIT(0)
-#define JZ_CLOCK_GATE_TCU BIT(1)
-#define JZ_CLOCK_GATE_RTC BIT(2)
-#define JZ_CLOCK_GATE_I2C BIT(3)
-#define JZ_CLOCK_GATE_SPI BIT(4)
-#define JZ_CLOCK_GATE_AIC BIT(5)
-#define JZ_CLOCK_GATE_I2S BIT(6)
-#define JZ_CLOCK_GATE_MMC BIT(7)
-#define JZ_CLOCK_GATE_ADC BIT(8)
-#define JZ_CLOCK_GATE_CIM BIT(9)
-#define JZ_CLOCK_GATE_LCD BIT(10)
-#define JZ_CLOCK_GATE_UDC BIT(11)
-#define JZ_CLOCK_GATE_DMAC BIT(12)
-#define JZ_CLOCK_GATE_IPU BIT(13)
-#define JZ_CLOCK_GATE_UHC BIT(14)
-#define JZ_CLOCK_GATE_UART1 BIT(15)
-
-#define JZ_CLOCK_I2S_DIV_MASK 0x01ff
-
-#define JZ_CLOCK_LCD_DIV_MASK 0x01ff
-
-#define JZ_CLOCK_MMC_DIV_MASK 0x001f
-
-#define JZ_CLOCK_UHC_DIV_MASK 0x000f
-
-#define JZ_CLOCK_SPI_SRC_PLL BIT(31)
-#define JZ_CLOCK_SPI_DIV_MASK 0x000f
-
-#define JZ_CLOCK_PLL_M_MASK 0x01ff
-#define JZ_CLOCK_PLL_N_MASK 0x001f
-#define JZ_CLOCK_PLL_OD_MASK 0x0003
-#define JZ_CLOCK_PLL_STABLE BIT(10)
-#define JZ_CLOCK_PLL_BYPASS BIT(9)
-#define JZ_CLOCK_PLL_ENABLED BIT(8)
-#define JZ_CLOCK_PLL_STABLIZE_MASK 0x000f
-#define JZ_CLOCK_PLL_M_OFFSET 23
-#define JZ_CLOCK_PLL_N_OFFSET 18
-#define JZ_CLOCK_PLL_OD_OFFSET 16
-
-#define JZ_CLOCK_LOW_POWER_MODE_DOZE BIT(2)
-#define JZ_CLOCK_LOW_POWER_MODE_SLEEP BIT(0)
-
-#define JZ_CLOCK_SLEEP_CTRL_SUSPEND_UHC BIT(7)
-#define JZ_CLOCK_SLEEP_CTRL_ENABLE_UDC BIT(6)
-
-static void __iomem *jz_clock_base;
-static spinlock_t jz_clock_lock;
-static LIST_HEAD(jz_clocks);
-
-struct main_clk {
- struct clk clk;
- uint32_t div_offset;
-};
-
-struct divided_clk {
- struct clk clk;
- uint32_t reg;
- uint32_t mask;
-};
-
-struct static_clk {
- struct clk clk;
- unsigned long rate;
-};
-
-static uint32_t jz_clk_reg_read(int reg)
-{
- return readl(jz_clock_base + reg);
-}
-
-static void jz_clk_reg_write_mask(int reg, uint32_t val, uint32_t mask)
-{
- uint32_t val2;
-
- spin_lock(&jz_clock_lock);
- val2 = readl(jz_clock_base + reg);
- val2 &= ~mask;
- val2 |= val;
- writel(val2, jz_clock_base + reg);
- spin_unlock(&jz_clock_lock);
-}
-
-static void jz_clk_reg_set_bits(int reg, uint32_t mask)
-{
- uint32_t val;
-
- spin_lock(&jz_clock_lock);
- val = readl(jz_clock_base + reg);
- val |= mask;
- writel(val, jz_clock_base + reg);
- spin_unlock(&jz_clock_lock);
-}
-
-static void jz_clk_reg_clear_bits(int reg, uint32_t mask)
-{
- uint32_t val;
-
- spin_lock(&jz_clock_lock);
- val = readl(jz_clock_base + reg);
- val &= ~mask;
- writel(val, jz_clock_base + reg);
- spin_unlock(&jz_clock_lock);
-}
-
-static int jz_clk_enable_gating(struct clk *clk)
-{
- if (clk->gate_bit == JZ4740_CLK_NOT_GATED)
- return -EINVAL;
-
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_GATE, clk->gate_bit);
- return 0;
-}
-
-static int jz_clk_disable_gating(struct clk *clk)
-{
- if (clk->gate_bit == JZ4740_CLK_NOT_GATED)
- return -EINVAL;
-
- jz_clk_reg_set_bits(JZ_REG_CLOCK_GATE, clk->gate_bit);
- return 0;
-}
-
-static int jz_clk_is_enabled_gating(struct clk *clk)
-{
- if (clk->gate_bit == JZ4740_CLK_NOT_GATED)
- return 1;
-
- return !(jz_clk_reg_read(JZ_REG_CLOCK_GATE) & clk->gate_bit);
-}
-
-static unsigned long jz_clk_static_get_rate(struct clk *clk)
-{
- return ((struct static_clk *)clk)->rate;
-}
-
-static int jz_clk_ko_enable(struct clk *clk)
-{
- jz_clk_reg_set_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_KO_ENABLE);
- return 0;
-}
-
-static int jz_clk_ko_disable(struct clk *clk)
-{
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_KO_ENABLE);
- return 0;
-}
-
-static int jz_clk_ko_is_enabled(struct clk *clk)
-{
- return !!(jz_clk_reg_read(JZ_REG_CLOCK_CTRL) & JZ_CLOCK_CTRL_KO_ENABLE);
-}
-
-static const int pllno[] = {1, 2, 2, 4};
-
-static unsigned long jz_clk_pll_get_rate(struct clk *clk)
-{
- uint32_t val;
- int m;
- int n;
- int od;
-
- val = jz_clk_reg_read(JZ_REG_CLOCK_PLL);
-
- if (val & JZ_CLOCK_PLL_BYPASS)
- return clk_get_rate(clk->parent);
-
- m = ((val >> 23) & 0x1ff) + 2;
- n = ((val >> 18) & 0x1f) + 2;
- od = (val >> 16) & 0x3;
-
- return ((clk_get_rate(clk->parent) / n) * m) / pllno[od];
-}
-
-static unsigned long jz_clk_pll_half_get_rate(struct clk *clk)
-{
- uint32_t reg;
-
- reg = jz_clk_reg_read(JZ_REG_CLOCK_CTRL);
- if (reg & JZ_CLOCK_CTRL_PLL_HALF)
- return jz_clk_pll_get_rate(clk->parent);
- return jz_clk_pll_get_rate(clk->parent) >> 1;
-}
-
-static const int jz_clk_main_divs[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32};
-
-static unsigned long jz_clk_main_round_rate(struct clk *clk, unsigned long rate)
-{
- unsigned long parent_rate = jz_clk_pll_get_rate(clk->parent);
- int div;
-
- div = parent_rate / rate;
- if (div > 32)
- return parent_rate / 32;
- else if (div < 1)
- return parent_rate;
-
- div &= (0x3 << (ffs(div) - 1));
-
- return parent_rate / div;
-}
-
-static unsigned long jz_clk_main_get_rate(struct clk *clk)
-{
- struct main_clk *mclk = (struct main_clk *)clk;
- uint32_t div;
-
- div = jz_clk_reg_read(JZ_REG_CLOCK_CTRL);
-
- div >>= mclk->div_offset;
- div &= 0xf;
-
- if (div >= ARRAY_SIZE(jz_clk_main_divs))
- div = ARRAY_SIZE(jz_clk_main_divs) - 1;
-
- return jz_clk_pll_get_rate(clk->parent) / jz_clk_main_divs[div];
-}
-
-static int jz_clk_main_set_rate(struct clk *clk, unsigned long rate)
-{
- struct main_clk *mclk = (struct main_clk *)clk;
- int i;
- int div;
- unsigned long parent_rate = jz_clk_pll_get_rate(clk->parent);
-
- rate = jz_clk_main_round_rate(clk, rate);
-
- div = parent_rate / rate;
-
- i = (ffs(div) - 1) << 1;
- if (i > 0 && !(div & BIT(i-1)))
- i -= 1;
-
- jz_clk_reg_write_mask(JZ_REG_CLOCK_CTRL, i << mclk->div_offset,
- 0xf << mclk->div_offset);
-
- return 0;
-}
-
-static struct clk_ops jz_clk_static_ops = {
- .get_rate = jz_clk_static_get_rate,
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
-};
-
-static struct static_clk jz_clk_ext = {
- .clk = {
- .name = "ext",
- .gate_bit = JZ4740_CLK_NOT_GATED,
- .ops = &jz_clk_static_ops,
- },
-};
-
-static struct clk_ops jz_clk_pll_ops = {
- .get_rate = jz_clk_pll_get_rate,
-};
-
-static struct clk jz_clk_pll = {
- .name = "pll",
- .parent = &jz_clk_ext.clk,
- .ops = &jz_clk_pll_ops,
-};
-
-static struct clk_ops jz_clk_pll_half_ops = {
- .get_rate = jz_clk_pll_half_get_rate,
-};
-
-static struct clk jz_clk_pll_half = {
- .name = "pll half",
- .parent = &jz_clk_pll,
- .ops = &jz_clk_pll_half_ops,
-};
-
-static const struct clk_ops jz_clk_main_ops = {
- .get_rate = jz_clk_main_get_rate,
- .set_rate = jz_clk_main_set_rate,
- .round_rate = jz_clk_main_round_rate,
-};
-
-static struct main_clk jz_clk_cpu = {
- .clk = {
- .name = "cclk",
- .parent = &jz_clk_pll,
- .ops = &jz_clk_main_ops,
- },
- .div_offset = JZ_CLOCK_CTRL_CDIV_OFFSET,
-};
-
-static struct main_clk jz_clk_memory = {
- .clk = {
- .name = "mclk",
- .parent = &jz_clk_pll,
- .ops = &jz_clk_main_ops,
- },
- .div_offset = JZ_CLOCK_CTRL_MDIV_OFFSET,
-};
-
-static struct main_clk jz_clk_high_speed_peripheral = {
- .clk = {
- .name = "hclk",
- .parent = &jz_clk_pll,
- .ops = &jz_clk_main_ops,
- },
- .div_offset = JZ_CLOCK_CTRL_HDIV_OFFSET,
-};
-
-
-static struct main_clk jz_clk_low_speed_peripheral = {
- .clk = {
- .name = "pclk",
- .parent = &jz_clk_pll,
- .ops = &jz_clk_main_ops,
- },
- .div_offset = JZ_CLOCK_CTRL_PDIV_OFFSET,
-};
-
-static const struct clk_ops jz_clk_ko_ops = {
- .enable = jz_clk_ko_enable,
- .disable = jz_clk_ko_disable,
- .is_enabled = jz_clk_ko_is_enabled,
-};
-
-static struct clk jz_clk_ko = {
- .name = "cko",
- .parent = &jz_clk_memory.clk,
- .ops = &jz_clk_ko_ops,
-};
-
-static int jz_clk_spi_set_parent(struct clk *clk, struct clk *parent)
-{
- if (parent == &jz_clk_pll)
- jz_clk_reg_set_bits(JZ_CLOCK_SPI_SRC_PLL, JZ_REG_CLOCK_SPI);
- else if (parent == &jz_clk_ext.clk)
- jz_clk_reg_clear_bits(JZ_CLOCK_SPI_SRC_PLL, JZ_REG_CLOCK_SPI);
- else
- return -EINVAL;
-
- clk->parent = parent;
-
- return 0;
-}
-
-static int jz_clk_i2s_set_parent(struct clk *clk, struct clk *parent)
-{
- if (parent == &jz_clk_pll_half)
- jz_clk_reg_set_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_I2S_SRC_PLL);
- else if (parent == &jz_clk_ext.clk)
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_I2S_SRC_PLL);
- else
- return -EINVAL;
-
- clk->parent = parent;
-
- return 0;
-}
-
-static int jz_clk_udc_enable(struct clk *clk)
-{
- jz_clk_reg_set_bits(JZ_REG_CLOCK_SLEEP_CTRL,
- JZ_CLOCK_SLEEP_CTRL_ENABLE_UDC);
-
- return 0;
-}
-
-static int jz_clk_udc_disable(struct clk *clk)
-{
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_SLEEP_CTRL,
- JZ_CLOCK_SLEEP_CTRL_ENABLE_UDC);
-
- return 0;
-}
-
-static int jz_clk_udc_is_enabled(struct clk *clk)
-{
- return !!(jz_clk_reg_read(JZ_REG_CLOCK_SLEEP_CTRL) &
- JZ_CLOCK_SLEEP_CTRL_ENABLE_UDC);
-}
-
-static int jz_clk_udc_set_parent(struct clk *clk, struct clk *parent)
-{
- if (parent == &jz_clk_pll_half)
- jz_clk_reg_set_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_UDC_SRC_PLL);
- else if (parent == &jz_clk_ext.clk)
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_CTRL, JZ_CLOCK_CTRL_UDC_SRC_PLL);
- else
- return -EINVAL;
-
- clk->parent = parent;
-
- return 0;
-}
-
-static int jz_clk_udc_set_rate(struct clk *clk, unsigned long rate)
-{
- int div;
-
- if (clk->parent == &jz_clk_ext.clk)
- return -EINVAL;
-
- div = clk_get_rate(clk->parent) / rate - 1;
-
- if (div < 0)
- div = 0;
- else if (div > 63)
- div = 63;
-
- jz_clk_reg_write_mask(JZ_REG_CLOCK_CTRL, div << JZ_CLOCK_CTRL_UDIV_OFFSET,
- JZ_CLOCK_CTRL_UDIV_MASK);
- return 0;
-}
-
-static unsigned long jz_clk_udc_get_rate(struct clk *clk)
-{
- int div;
-
- if (clk->parent == &jz_clk_ext.clk)
- return clk_get_rate(clk->parent);
-
- div = (jz_clk_reg_read(JZ_REG_CLOCK_CTRL) & JZ_CLOCK_CTRL_UDIV_MASK);
- div >>= JZ_CLOCK_CTRL_UDIV_OFFSET;
- div += 1;
-
- return clk_get_rate(clk->parent) / div;
-}
-
-static unsigned long jz_clk_divided_get_rate(struct clk *clk)
-{
- struct divided_clk *dclk = (struct divided_clk *)clk;
- int div;
-
- if (clk->parent == &jz_clk_ext.clk)
- return clk_get_rate(clk->parent);
-
- div = (jz_clk_reg_read(dclk->reg) & dclk->mask) + 1;
-
- return clk_get_rate(clk->parent) / div;
-}
-
-static int jz_clk_divided_set_rate(struct clk *clk, unsigned long rate)
-{
- struct divided_clk *dclk = (struct divided_clk *)clk;
- int div;
-
- if (clk->parent == &jz_clk_ext.clk)
- return -EINVAL;
-
- div = clk_get_rate(clk->parent) / rate - 1;
-
- if (div < 0)
- div = 0;
- else if (div > dclk->mask)
- div = dclk->mask;
-
- jz_clk_reg_write_mask(dclk->reg, div, dclk->mask);
-
- return 0;
-}
-
-static unsigned long jz_clk_ldclk_round_rate(struct clk *clk, unsigned long rate)
-{
- int div;
- unsigned long parent_rate = jz_clk_pll_half_get_rate(clk->parent);
-
- if (rate > 150000000)
- return 150000000;
-
- div = parent_rate / rate;
- if (div < 1)
- div = 1;
- else if (div > 32)
- div = 32;
-
- return parent_rate / div;
-}
-
-static int jz_clk_ldclk_set_rate(struct clk *clk, unsigned long rate)
-{
- int div;
-
- if (rate > 150000000)
- return -EINVAL;
-
- div = jz_clk_pll_half_get_rate(clk->parent) / rate - 1;
- if (div < 0)
- div = 0;
- else if (div > 31)
- div = 31;
-
- jz_clk_reg_write_mask(JZ_REG_CLOCK_CTRL, div << JZ_CLOCK_CTRL_LDIV_OFFSET,
- JZ_CLOCK_CTRL_LDIV_MASK);
-
- return 0;
-}
-
-static unsigned long jz_clk_ldclk_get_rate(struct clk *clk)
-{
- int div;
-
- div = jz_clk_reg_read(JZ_REG_CLOCK_CTRL) & JZ_CLOCK_CTRL_LDIV_MASK;
- div >>= JZ_CLOCK_CTRL_LDIV_OFFSET;
-
- return jz_clk_pll_half_get_rate(clk->parent) / (div + 1);
-}
-
-static const struct clk_ops jz_clk_ops_ld = {
- .set_rate = jz_clk_ldclk_set_rate,
- .get_rate = jz_clk_ldclk_get_rate,
- .round_rate = jz_clk_ldclk_round_rate,
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
-};
-
-static struct clk jz_clk_ld = {
- .name = "lcd",
- .gate_bit = JZ_CLOCK_GATE_LCD,
- .parent = &jz_clk_pll_half,
- .ops = &jz_clk_ops_ld,
-};
-
-static const struct clk_ops jz_clk_i2s_ops = {
- .set_rate = jz_clk_divided_set_rate,
- .get_rate = jz_clk_divided_get_rate,
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
- .set_parent = jz_clk_i2s_set_parent,
-};
-
-static const struct clk_ops jz_clk_spi_ops = {
- .set_rate = jz_clk_divided_set_rate,
- .get_rate = jz_clk_divided_get_rate,
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
- .set_parent = jz_clk_spi_set_parent,
-};
-
-static const struct clk_ops jz_clk_divided_ops = {
- .set_rate = jz_clk_divided_set_rate,
- .get_rate = jz_clk_divided_get_rate,
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
-};
-
-static struct divided_clk jz4740_clock_divided_clks[] = {
- [0] = {
- .clk = {
- .name = "i2s",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_I2S,
- .ops = &jz_clk_i2s_ops,
- },
- .reg = JZ_REG_CLOCK_I2S,
- .mask = JZ_CLOCK_I2S_DIV_MASK,
- },
- [1] = {
- .clk = {
- .name = "spi",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_SPI,
- .ops = &jz_clk_spi_ops,
- },
- .reg = JZ_REG_CLOCK_SPI,
- .mask = JZ_CLOCK_SPI_DIV_MASK,
- },
- [2] = {
- .clk = {
- .name = "lcd_pclk",
- .parent = &jz_clk_pll_half,
- .gate_bit = JZ4740_CLK_NOT_GATED,
- .ops = &jz_clk_divided_ops,
- },
- .reg = JZ_REG_CLOCK_LCD,
- .mask = JZ_CLOCK_LCD_DIV_MASK,
- },
- [3] = {
- .clk = {
- .name = "mmc",
- .parent = &jz_clk_pll_half,
- .gate_bit = JZ_CLOCK_GATE_MMC,
- .ops = &jz_clk_divided_ops,
- },
- .reg = JZ_REG_CLOCK_MMC,
- .mask = JZ_CLOCK_MMC_DIV_MASK,
- },
- [4] = {
- .clk = {
- .name = "uhc",
- .parent = &jz_clk_pll_half,
- .gate_bit = JZ_CLOCK_GATE_UHC,
- .ops = &jz_clk_divided_ops,
- },
- .reg = JZ_REG_CLOCK_UHC,
- .mask = JZ_CLOCK_UHC_DIV_MASK,
- },
-};
-
-static const struct clk_ops jz_clk_udc_ops = {
- .set_parent = jz_clk_udc_set_parent,
- .set_rate = jz_clk_udc_set_rate,
- .get_rate = jz_clk_udc_get_rate,
- .enable = jz_clk_udc_enable,
- .disable = jz_clk_udc_disable,
- .is_enabled = jz_clk_udc_is_enabled,
-};
-
-static const struct clk_ops jz_clk_simple_ops = {
- .enable = jz_clk_enable_gating,
- .disable = jz_clk_disable_gating,
- .is_enabled = jz_clk_is_enabled_gating,
-};
-
-static struct clk jz4740_clock_simple_clks[] = {
- [0] = {
- .name = "udc",
- .parent = &jz_clk_ext.clk,
- .ops = &jz_clk_udc_ops,
- },
- [1] = {
- .name = "uart0",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_UART0,
- .ops = &jz_clk_simple_ops,
- },
- [2] = {
- .name = "uart1",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_UART1,
- .ops = &jz_clk_simple_ops,
- },
- [3] = {
- .name = "dma",
- .parent = &jz_clk_high_speed_peripheral.clk,
- .gate_bit = JZ_CLOCK_GATE_DMAC,
- .ops = &jz_clk_simple_ops,
- },
- [4] = {
- .name = "ipu",
- .parent = &jz_clk_high_speed_peripheral.clk,
- .gate_bit = JZ_CLOCK_GATE_IPU,
- .ops = &jz_clk_simple_ops,
- },
- [5] = {
- .name = "adc",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_ADC,
- .ops = &jz_clk_simple_ops,
- },
- [6] = {
- .name = "i2c",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_I2C,
- .ops = &jz_clk_simple_ops,
- },
- [7] = {
- .name = "aic",
- .parent = &jz_clk_ext.clk,
- .gate_bit = JZ_CLOCK_GATE_AIC,
- .ops = &jz_clk_simple_ops,
- },
-};
-
-static struct static_clk jz_clk_rtc = {
- .clk = {
- .name = "rtc",
- .gate_bit = JZ_CLOCK_GATE_RTC,
- .ops = &jz_clk_static_ops,
- },
- .rate = 32768,
-};
-
-int clk_enable(struct clk *clk)
-{
- if (!clk->ops->enable)
- return -EINVAL;
-
- return clk->ops->enable(clk);
-}
-EXPORT_SYMBOL_GPL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
- if (clk->ops->disable)
- clk->ops->disable(clk);
-}
-EXPORT_SYMBOL_GPL(clk_disable);
-
-int clk_is_enabled(struct clk *clk)
-{
- if (clk->ops->is_enabled)
- return clk->ops->is_enabled(clk);
-
- return 1;
-}
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- if (clk->ops->get_rate)
- return clk->ops->get_rate(clk);
- if (clk->parent)
- return clk_get_rate(clk->parent);
-
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(clk_get_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- if (!clk->ops->set_rate)
- return -EINVAL;
- return clk->ops->set_rate(clk, rate);
-}
-EXPORT_SYMBOL_GPL(clk_set_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- if (clk->ops->round_rate)
- return clk->ops->round_rate(clk, rate);
-
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(clk_round_rate);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- int ret;
- int enabled;
-
- if (!clk->ops->set_parent)
- return -EINVAL;
-
- enabled = clk_is_enabled(clk);
- if (enabled)
- clk_disable(clk);
- ret = clk->ops->set_parent(clk, parent);
- if (enabled)
- clk_enable(clk);
-
- jz4740_clock_debugfs_update_parent(clk);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_parent);
-
-struct clk *clk_get(struct device *dev, const char *name)
-{
- struct clk *clk;
-
- list_for_each_entry(clk, &jz_clocks, list) {
- if (strcmp(clk->name, name) == 0)
- return clk;
- }
- return ERR_PTR(-ENXIO);
-}
-EXPORT_SYMBOL_GPL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL_GPL(clk_put);
-
-static inline void clk_add(struct clk *clk)
-{
- list_add_tail(&clk->list, &jz_clocks);
-
- jz4740_clock_debugfs_add_clk(clk);
-}
-
-static void clk_register_clks(void)
-{
- size_t i;
-
- clk_add(&jz_clk_ext.clk);
- clk_add(&jz_clk_pll);
- clk_add(&jz_clk_pll_half);
- clk_add(&jz_clk_cpu.clk);
- clk_add(&jz_clk_high_speed_peripheral.clk);
- clk_add(&jz_clk_low_speed_peripheral.clk);
- clk_add(&jz_clk_ko);
- clk_add(&jz_clk_ld);
- clk_add(&jz_clk_rtc.clk);
-
- for (i = 0; i < ARRAY_SIZE(jz4740_clock_divided_clks); ++i)
- clk_add(&jz4740_clock_divided_clks[i].clk);
-
- for (i = 0; i < ARRAY_SIZE(jz4740_clock_simple_clks); ++i)
- clk_add(&jz4740_clock_simple_clks[i]);
-}
-
-void jz4740_clock_set_wait_mode(enum jz4740_wait_mode mode)
-{
- switch (mode) {
- case JZ4740_WAIT_MODE_IDLE:
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_LOW_POWER, JZ_CLOCK_LOW_POWER_MODE_SLEEP);
- break;
- case JZ4740_WAIT_MODE_SLEEP:
- jz_clk_reg_set_bits(JZ_REG_CLOCK_LOW_POWER, JZ_CLOCK_LOW_POWER_MODE_SLEEP);
- break;
- }
-}
-
-void jz4740_clock_udc_disable_auto_suspend(void)
-{
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_GATE, JZ_CLOCK_GATE_UDC);
-}
-EXPORT_SYMBOL_GPL(jz4740_clock_udc_disable_auto_suspend);
-
-void jz4740_clock_udc_enable_auto_suspend(void)
-{
- jz_clk_reg_set_bits(JZ_REG_CLOCK_GATE, JZ_CLOCK_GATE_UDC);
-}
-EXPORT_SYMBOL_GPL(jz4740_clock_udc_enable_auto_suspend);
-
-void jz4740_clock_suspend(void)
-{
- jz_clk_reg_set_bits(JZ_REG_CLOCK_GATE,
- JZ_CLOCK_GATE_TCU | JZ_CLOCK_GATE_DMAC | JZ_CLOCK_GATE_UART0);
-
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_PLL, JZ_CLOCK_PLL_ENABLED);
-}
-
-void jz4740_clock_resume(void)
-{
- uint32_t pll;
-
- jz_clk_reg_set_bits(JZ_REG_CLOCK_PLL, JZ_CLOCK_PLL_ENABLED);
-
- do {
- pll = jz_clk_reg_read(JZ_REG_CLOCK_PLL);
- } while (!(pll & JZ_CLOCK_PLL_STABLE));
-
- jz_clk_reg_clear_bits(JZ_REG_CLOCK_GATE,
- JZ_CLOCK_GATE_TCU | JZ_CLOCK_GATE_DMAC | JZ_CLOCK_GATE_UART0);
-}
-
-static int jz4740_clock_init(void)
-{
- uint32_t val;
-
- jz_clock_base = ioremap(JZ4740_CPM_BASE_ADDR, 0x100);
- if (!jz_clock_base)
- return -EBUSY;
-
- spin_lock_init(&jz_clock_lock);
-
- jz_clk_ext.rate = jz4740_clock_bdata.ext_rate;
- jz_clk_rtc.rate = jz4740_clock_bdata.rtc_rate;
-
- val = jz_clk_reg_read(JZ_REG_CLOCK_SPI);
-
- if (val & JZ_CLOCK_SPI_SRC_PLL)
- jz4740_clock_divided_clks[1].clk.parent = &jz_clk_pll_half;
-
- val = jz_clk_reg_read(JZ_REG_CLOCK_CTRL);
-
- if (val & JZ_CLOCK_CTRL_I2S_SRC_PLL)
- jz4740_clock_divided_clks[0].clk.parent = &jz_clk_pll_half;
-
- if (val & JZ_CLOCK_CTRL_UDC_SRC_PLL)
- jz4740_clock_simple_clks[0].parent = &jz_clk_pll_half;
-
- jz4740_clock_debugfs_init();
-
- clk_register_clks();
-
- return 0;
-}
-arch_initcall(jz4740_clock_init);
diff --git a/kernel/arch/mips/jz4740/clock.h b/kernel/arch/mips/jz4740/clock.h
deleted file mode 100644
index 5d07499d7..000000000
--- a/kernel/arch/mips/jz4740/clock.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 SoC clock support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef __MIPS_JZ4740_CLOCK_H__
-#define __MIPS_JZ4740_CLOCK_H__
-
-#include <linux/list.h>
-
-struct jz4740_clock_board_data {
- unsigned long ext_rate;
- unsigned long rtc_rate;
-};
-
-extern struct jz4740_clock_board_data jz4740_clock_bdata;
-
-void jz4740_clock_suspend(void);
-void jz4740_clock_resume(void);
-
-struct clk;
-
-struct clk_ops {
- unsigned long (*get_rate)(struct clk *clk);
- unsigned long (*round_rate)(struct clk *clk, unsigned long rate);
- int (*set_rate)(struct clk *clk, unsigned long rate);
- int (*enable)(struct clk *clk);
- int (*disable)(struct clk *clk);
- int (*is_enabled)(struct clk *clk);
-
- int (*set_parent)(struct clk *clk, struct clk *parent);
-
-};
-
-struct clk {
- const char *name;
- struct clk *parent;
-
- uint32_t gate_bit;
-
- const struct clk_ops *ops;
-
- struct list_head list;
-
-#ifdef CONFIG_DEBUG_FS
- struct dentry *debugfs_entry;
- struct dentry *debugfs_parent_entry;
-#endif
-
-};
-
-#define JZ4740_CLK_NOT_GATED ((uint32_t)-1)
-
-int clk_is_enabled(struct clk *clk);
-
-#ifdef CONFIG_DEBUG_FS
-void jz4740_clock_debugfs_init(void);
-void jz4740_clock_debugfs_add_clk(struct clk *clk);
-void jz4740_clock_debugfs_update_parent(struct clk *clk);
-#else
-static inline void jz4740_clock_debugfs_init(void) {};
-static inline void jz4740_clock_debugfs_add_clk(struct clk *clk) {};
-static inline void jz4740_clock_debugfs_update_parent(struct clk *clk) {};
-#endif
-
-#endif
diff --git a/kernel/arch/mips/jz4740/gpio.c b/kernel/arch/mips/jz4740/gpio.c
index 00b798d2f..8c6d76c9b 100644
--- a/kernel/arch/mips/jz4740/gpio.c
+++ b/kernel/arch/mips/jz4740/gpio.c
@@ -21,14 +21,14 @@
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/irqchip/ingenic.h>
#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <asm/mach-jz4740/base.h>
-
-#include "irq.h"
+#include <asm/mach-jz4740/gpio.h>
#define JZ4740_GPIO_BASE_A (32*0)
#define JZ4740_GPIO_BASE_B (32*1)
@@ -232,6 +232,13 @@ static int jz_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
return 0;
}
+static int jz_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ struct jz_gpio_chip *jz_gpio = gpio_chip_to_jz_gpio_chip(chip);
+
+ return jz_gpio->irq_base + gpio;
+}
+
int jz_gpio_port_direction_input(int port, uint32_t mask)
{
writel(mask, GPIO_TO_REG(port, JZ_REG_GPIO_DIRECTION_CLEAR));
@@ -263,18 +270,6 @@ uint32_t jz_gpio_port_get_value(int port, uint32_t mask)
}
EXPORT_SYMBOL(jz_gpio_port_get_value);
-int gpio_to_irq(unsigned gpio)
-{
- return JZ4740_IRQ_GPIO(0) + gpio;
-}
-EXPORT_SYMBOL_GPL(gpio_to_irq);
-
-int irq_to_gpio(unsigned irq)
-{
- return irq - JZ4740_IRQ_GPIO(0);
-}
-EXPORT_SYMBOL_GPL(irq_to_gpio);
-
#define IRQ_TO_BIT(irq) BIT(irq_to_gpio(irq) & 0x1f)
static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int irq)
@@ -297,7 +292,7 @@ static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int i
writel(mask, reg);
}
-static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
+static void jz_gpio_irq_demux_handler(struct irq_desc *desc)
{
uint32_t flag;
unsigned int gpio_irq;
@@ -404,6 +399,7 @@ static int jz_gpio_irq_set_wake(struct irq_data *data, unsigned int on)
.get = jz_gpio_get_value, \
.direction_output = jz_gpio_direction_output, \
.direction_input = jz_gpio_direction_input, \
+ .to_irq = jz_gpio_to_irq, \
.base = JZ4740_GPIO_BASE_ ## _bank, \
.ngpio = JZ4740_GPIO_NUM_ ## _bank, \
}, \
@@ -424,8 +420,8 @@ static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
chip->base = ioremap(JZ4740_GPIO_BASE_ADDR + (id * 0x100), 0x100);
chip->irq = JZ4740_IRQ_INTC_GPIO(id);
- irq_set_handler_data(chip->irq, chip);
- irq_set_chained_handler(chip->irq, jz_gpio_irq_demux_handler);
+ irq_set_chained_handler_and_data(chip->irq,
+ jz_gpio_irq_demux_handler, chip);
gc = irq_alloc_generic_chip(chip->gpio_chip.label, 1, chip->irq_base,
chip->base, handle_level_irq);
@@ -442,8 +438,8 @@ static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
ct->chip.irq_mask = irq_gc_mask_disable_reg;
ct->chip.irq_unmask = jz_gpio_irq_unmask;
ct->chip.irq_ack = irq_gc_ack_set_bit;
- ct->chip.irq_suspend = jz4740_irq_suspend;
- ct->chip.irq_resume = jz4740_irq_resume;
+ ct->chip.irq_suspend = ingenic_intc_irq_suspend;
+ ct->chip.irq_resume = ingenic_intc_irq_resume;
ct->chip.irq_startup = jz_gpio_irq_startup;
ct->chip.irq_shutdown = jz_gpio_irq_shutdown;
ct->chip.irq_set_type = jz_gpio_irq_set_type;
diff --git a/kernel/arch/mips/jz4740/irq.c b/kernel/arch/mips/jz4740/irq.c
deleted file mode 100644
index 97206b3de..000000000
--- a/kernel/arch/mips/jz4740/irq.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 platform IRQ support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-
-#include <asm/io.h>
-#include <asm/mipsregs.h>
-#include <asm/irq_cpu.h>
-
-#include <asm/mach-jz4740/base.h>
-#include <asm/mach-jz4740/irq.h>
-
-#include "irq.h"
-
-static void __iomem *jz_intc_base;
-
-#define JZ_REG_INTC_STATUS 0x00
-#define JZ_REG_INTC_MASK 0x04
-#define JZ_REG_INTC_SET_MASK 0x08
-#define JZ_REG_INTC_CLEAR_MASK 0x0c
-#define JZ_REG_INTC_PENDING 0x10
-
-static irqreturn_t jz4740_cascade(int irq, void *data)
-{
- uint32_t irq_reg;
-
- irq_reg = readl(jz_intc_base + JZ_REG_INTC_PENDING);
-
- if (irq_reg)
- generic_handle_irq(__fls(irq_reg) + JZ4740_IRQ_BASE);
-
- return IRQ_HANDLED;
-}
-
-static void jz4740_irq_set_mask(struct irq_chip_generic *gc, uint32_t mask)
-{
- struct irq_chip_regs *regs = &gc->chip_types->regs;
-
- writel(mask, gc->reg_base + regs->enable);
- writel(~mask, gc->reg_base + regs->disable);
-}
-
-void jz4740_irq_suspend(struct irq_data *data)
-{
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
- jz4740_irq_set_mask(gc, gc->wake_active);
-}
-
-void jz4740_irq_resume(struct irq_data *data)
-{
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
- jz4740_irq_set_mask(gc, gc->mask_cache);
-}
-
-static struct irqaction jz4740_cascade_action = {
- .handler = jz4740_cascade,
- .name = "JZ4740 cascade interrupt",
-};
-
-void __init arch_init_irq(void)
-{
- struct irq_chip_generic *gc;
- struct irq_chip_type *ct;
-
- mips_cpu_irq_init();
-
- jz_intc_base = ioremap(JZ4740_INTC_BASE_ADDR, 0x14);
-
- /* Mask all irqs */
- writel(0xffffffff, jz_intc_base + JZ_REG_INTC_SET_MASK);
-
- gc = irq_alloc_generic_chip("INTC", 1, JZ4740_IRQ_BASE, jz_intc_base,
- handle_level_irq);
-
- gc->wake_enabled = IRQ_MSK(32);
-
- ct = gc->chip_types;
- ct->regs.enable = JZ_REG_INTC_CLEAR_MASK;
- ct->regs.disable = JZ_REG_INTC_SET_MASK;
- ct->chip.irq_unmask = irq_gc_unmask_enable_reg;
- ct->chip.irq_mask = irq_gc_mask_disable_reg;
- ct->chip.irq_mask_ack = irq_gc_mask_disable_reg;
- ct->chip.irq_set_wake = irq_gc_set_wake;
- ct->chip.irq_suspend = jz4740_irq_suspend;
- ct->chip.irq_resume = jz4740_irq_resume;
-
- irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
-
- setup_irq(2, &jz4740_cascade_action);
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
- if (pending & STATUSF_IP2)
- do_IRQ(2);
- else if (pending & STATUSF_IP3)
- do_IRQ(3);
- else
- spurious_interrupt();
-}
-
-#ifdef CONFIG_DEBUG_FS
-
-static inline void intc_seq_reg(struct seq_file *s, const char *name,
- unsigned int reg)
-{
- seq_printf(s, "%s:\t\t%08x\n", name, readl(jz_intc_base + reg));
-}
-
-static int intc_regs_show(struct seq_file *s, void *unused)
-{
- intc_seq_reg(s, "Status", JZ_REG_INTC_STATUS);
- intc_seq_reg(s, "Mask", JZ_REG_INTC_MASK);
- intc_seq_reg(s, "Pending", JZ_REG_INTC_PENDING);
-
- return 0;
-}
-
-static int intc_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, intc_regs_show, NULL);
-}
-
-static const struct file_operations intc_regs_operations = {
- .open = intc_regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int __init intc_debugfs_init(void)
-{
- (void) debugfs_create_file("jz_regs_intc", S_IFREG | S_IRUGO,
- NULL, NULL, &intc_regs_operations);
- return 0;
-}
-subsys_initcall(intc_debugfs_init);
-
-#endif
diff --git a/kernel/arch/mips/jz4740/irq.h b/kernel/arch/mips/jz4740/irq.h
deleted file mode 100644
index 0f48720b5..000000000
--- a/kernel/arch/mips/jz4740/irq.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef __MIPS_JZ4740_IRQ_H__
-#define __MIPS_JZ4740_IRQ_H__
-
-#include <linux/irq.h>
-
-extern void jz4740_irq_suspend(struct irq_data *data);
-extern void jz4740_irq_resume(struct irq_data *data);
-
-#endif
diff --git a/kernel/arch/mips/jz4740/platform.c b/kernel/arch/mips/jz4740/platform.c
index 0b12f273c..e8a463b9b 100644
--- a/kernel/arch/mips/jz4740/platform.c
+++ b/kernel/arch/mips/jz4740/platform.c
@@ -13,6 +13,7 @@
*
*/
+#include <linux/clk.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
@@ -29,7 +30,6 @@
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
-#include "serial.h"
#include "clock.h"
/* OHCI controller */
@@ -279,42 +279,6 @@ struct platform_device jz4740_adc_device = {
.resource = jz4740_adc_resources,
};
-/* Serial */
-#define JZ4740_UART_DATA(_id) \
- { \
- .flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
- .iotype = UPIO_MEM, \
- .regshift = 2, \
- .serial_out = jz4740_serial_out, \
- .type = PORT_16550, \
- .mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
- .irq = JZ4740_IRQ_UART ## _id, \
- }
-
-static struct plat_serial8250_port jz4740_uart_data[] = {
- JZ4740_UART_DATA(0),
- JZ4740_UART_DATA(1),
- {},
-};
-
-static struct platform_device jz4740_uart_device = {
- .name = "serial8250",
- .id = 0,
- .dev = {
- .platform_data = jz4740_uart_data,
- },
-};
-
-void jz4740_serial_device_register(void)
-{
- struct plat_serial8250_port *p;
-
- for (p = jz4740_uart_data; p->flags != 0; ++p)
- p->uartclk = jz4740_clock_bdata.ext_rate;
-
- platform_device_register(&jz4740_uart_device);
-}
-
/* Watchdog */
static struct resource jz4740_wdt_resources[] = {
{
diff --git a/kernel/arch/mips/jz4740/pm.c b/kernel/arch/mips/jz4740/pm.c
index d8e213010..2d8653f2f 100644
--- a/kernel/arch/mips/jz4740/pm.c
+++ b/kernel/arch/mips/jz4740/pm.c
@@ -20,8 +20,6 @@
#include <asm/mach-jz4740/clock.h>
-#include "clock.h"
-
static int jz4740_pm_enter(suspend_state_t state)
{
jz4740_clock_suspend();
diff --git a/kernel/arch/mips/jz4740/prom.c b/kernel/arch/mips/jz4740/prom.c
index 5a93f3815..6984683c9 100644
--- a/kernel/arch/mips/jz4740/prom.c
+++ b/kernel/arch/mips/jz4740/prom.c
@@ -53,16 +53,3 @@ void __init prom_init(void)
void __init prom_free_prom_memory(void)
{
}
-
-#define UART_REG(_reg) ((void __iomem *)CKSEG1ADDR(JZ4740_UART0_BASE_ADDR + (_reg << 2)))
-
-void prom_putchar(char c)
-{
- uint8_t lsr;
-
- do {
- lsr = readb(UART_REG(UART_LSR));
- } while ((lsr & UART_LSR_TEMT) == 0);
-
- writeb(c, UART_REG(UART_TX));
-}
diff --git a/kernel/arch/mips/jz4740/reset.c b/kernel/arch/mips/jz4740/reset.c
index b6c6343d2..954e669c9 100644
--- a/kernel/arch/mips/jz4740/reset.c
+++ b/kernel/arch/mips/jz4740/reset.c
@@ -12,6 +12,7 @@
*
*/
+#include <linux/clk.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/pm.h>
@@ -79,12 +80,20 @@ static void jz4740_power_off(void)
void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x38);
unsigned long wakeup_filter_ticks;
unsigned long reset_counter_ticks;
+ struct clk *rtc_clk;
+ unsigned long rtc_rate;
+
+ rtc_clk = clk_get(NULL, "rtc");
+ if (IS_ERR(rtc_clk))
+ panic("unable to get RTC clock");
+ rtc_rate = clk_get_rate(rtc_clk);
+ clk_put(rtc_clk);
/*
* Set minimum wakeup pin assertion time: 100 ms.
* Range is 0 to 2 sec if RTC is clocked at 32 kHz.
*/
- wakeup_filter_ticks = (100 * jz4740_clock_bdata.rtc_rate) / 1000;
+ wakeup_filter_ticks = (100 * rtc_rate) / 1000;
if (wakeup_filter_ticks < JZ_RTC_WAKEUP_FILTER_MASK)
wakeup_filter_ticks &= JZ_RTC_WAKEUP_FILTER_MASK;
else
@@ -96,7 +105,7 @@ static void jz4740_power_off(void)
* Set reset pin low-level assertion time after wakeup: 60 ms.
* Range is 0 to 125 ms if RTC is clocked at 32 kHz.
*/
- reset_counter_ticks = (60 * jz4740_clock_bdata.rtc_rate) / 1000;
+ reset_counter_ticks = (60 * rtc_rate) / 1000;
if (reset_counter_ticks < JZ_RTC_RESET_COUNTER_MASK)
reset_counter_ticks &= JZ_RTC_RESET_COUNTER_MASK;
else
diff --git a/kernel/arch/mips/jz4740/serial.c b/kernel/arch/mips/jz4740/serial.c
deleted file mode 100644
index d23de4582..000000000
--- a/kernel/arch/mips/jz4740/serial.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 serial support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/io.h>
-#include <linux/serial_core.h>
-#include <linux/serial_reg.h>
-
-void jz4740_serial_out(struct uart_port *p, int offset, int value)
-{
- switch (offset) {
- case UART_FCR:
- value |= 0x10; /* Enable uart module */
- break;
- case UART_IER:
- value |= (value & 0x4) << 2;
- break;
- default:
- break;
- }
- writeb(value, p->membase + (offset << p->regshift));
-}
diff --git a/kernel/arch/mips/jz4740/serial.h b/kernel/arch/mips/jz4740/serial.h
deleted file mode 100644
index 8eb715bb1..000000000
--- a/kernel/arch/mips/jz4740/serial.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 serial support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef __MIPS_JZ4740_SERIAL_H__
-#define __MIPS_JZ4740_SERIAL_H__
-
-struct uart_port;
-
-void jz4740_serial_out(struct uart_port *p, int offset, int value);
-
-#endif
diff --git a/kernel/arch/mips/jz4740/setup.c b/kernel/arch/mips/jz4740/setup.c
index ef796f97b..510fc0d96 100644
--- a/kernel/arch/mips/jz4740/setup.c
+++ b/kernel/arch/mips/jz4740/setup.c
@@ -16,9 +16,14 @@
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/irqchip.h>
#include <linux/kernel.h>
+#include <linux/libfdt.h>
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
#include <asm/bootinfo.h>
+#include <asm/prom.h>
#include <asm/mach-jz4740/base.h>
@@ -51,11 +56,40 @@ static void __init jz4740_detect_mem(void)
void __init plat_mem_setup(void)
{
+ int offset;
+
jz4740_reset_init();
- jz4740_detect_mem();
+ __dt_setup_arch(__dtb_start);
+
+ offset = fdt_path_offset(__dtb_start, "/memory");
+ if (offset < 0)
+ jz4740_detect_mem();
}
+void __init device_tree_init(void)
+{
+ if (!initial_boot_params)
+ return;
+
+ unflatten_and_copy_device_tree();
+}
+
+static int __init populate_machine(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ return 0;
+}
+arch_initcall(populate_machine);
+
const char *get_system_type(void)
{
+ if (config_enabled(CONFIG_MACH_JZ4780))
+ return "JZ4780";
+
return "JZ4740";
}
+
+void __init arch_init_irq(void)
+{
+ irqchip_init();
+}
diff --git a/kernel/arch/mips/jz4740/time.c b/kernel/arch/mips/jz4740/time.c
index 72b0cecbc..1f7ca2c9f 100644
--- a/kernel/arch/mips/jz4740/time.c
+++ b/kernel/arch/mips/jz4740/time.c
@@ -13,6 +13,8 @@
*
*/
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/time.h>
@@ -20,6 +22,7 @@
#include <linux/clockchips.h>
#include <linux/sched_clock.h>
+#include <asm/mach-jz4740/clock.h>
#include <asm/mach-jz4740/irq.h>
#include <asm/mach-jz4740/timer.h>
#include <asm/time.h>
@@ -55,7 +58,7 @@ static irqreturn_t jz4740_clockevent_irq(int irq, void *devid)
jz4740_timer_ack_full(TIMER_CLOCKEVENT);
- if (cd->mode != CLOCK_EVT_MODE_PERIODIC)
+ if (!clockevent_state_periodic(cd))
jz4740_timer_disable(TIMER_CLOCKEVENT);
cd->event_handler(cd);
@@ -63,24 +66,29 @@ static irqreturn_t jz4740_clockevent_irq(int irq, void *devid)
return IRQ_HANDLED;
}
-static void jz4740_clockevent_set_mode(enum clock_event_mode mode,
- struct clock_event_device *cd)
+static int jz4740_clockevent_set_periodic(struct clock_event_device *evt)
{
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- jz4740_timer_set_count(TIMER_CLOCKEVENT, 0);
- jz4740_timer_set_period(TIMER_CLOCKEVENT, jz4740_jiffies_per_tick);
- case CLOCK_EVT_MODE_RESUME:
- jz4740_timer_irq_full_enable(TIMER_CLOCKEVENT);
- jz4740_timer_enable(TIMER_CLOCKEVENT);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- case CLOCK_EVT_MODE_SHUTDOWN:
- jz4740_timer_disable(TIMER_CLOCKEVENT);
- break;
- default:
- break;
- }
+ jz4740_timer_set_count(TIMER_CLOCKEVENT, 0);
+ jz4740_timer_set_period(TIMER_CLOCKEVENT, jz4740_jiffies_per_tick);
+ jz4740_timer_irq_full_enable(TIMER_CLOCKEVENT);
+ jz4740_timer_enable(TIMER_CLOCKEVENT);
+
+ return 0;
+}
+
+static int jz4740_clockevent_resume(struct clock_event_device *evt)
+{
+ jz4740_timer_irq_full_enable(TIMER_CLOCKEVENT);
+ jz4740_timer_enable(TIMER_CLOCKEVENT);
+
+ return 0;
+}
+
+static int jz4740_clockevent_shutdown(struct clock_event_device *evt)
+{
+ jz4740_timer_disable(TIMER_CLOCKEVENT);
+
+ return 0;
}
static int jz4740_clockevent_set_next(unsigned long evt,
@@ -97,9 +105,17 @@ static struct clock_event_device jz4740_clockevent = {
.name = "jz4740-timer",
.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
.set_next_event = jz4740_clockevent_set_next,
- .set_mode = jz4740_clockevent_set_mode,
+ .set_state_shutdown = jz4740_clockevent_shutdown,
+ .set_state_periodic = jz4740_clockevent_set_periodic,
+ .set_state_oneshot = jz4740_clockevent_shutdown,
+ .tick_resume = jz4740_clockevent_resume,
.rating = 200,
+#ifdef CONFIG_MACH_JZ4740
.irq = JZ4740_IRQ_TCU0,
+#endif
+#ifdef CONFIG_MACH_JZ4780
+ .irq = JZ4780_IRQ_TCU2,
+#endif
};
static struct irqaction timer_irqaction = {
@@ -114,10 +130,17 @@ void __init plat_time_init(void)
int ret;
uint32_t clk_rate;
uint16_t ctrl;
+ struct clk *ext_clk;
+ of_clk_init(NULL);
jz4740_timer_init();
- clk_rate = jz4740_clock_bdata.ext_rate >> 4;
+ ext_clk = clk_get(NULL, "ext");
+ if (IS_ERR(ext_clk))
+ panic("unable to get ext clock");
+ clk_rate = clk_get_rate(ext_clk) >> 4;
+ clk_put(ext_clk);
+
jz4740_jiffies_per_tick = DIV_ROUND_CLOSEST(clk_rate, HZ);
clockevent_set_clock(&jz4740_clockevent, clk_rate);
@@ -134,7 +157,7 @@ void __init plat_time_init(void)
sched_clock_register(jz4740_read_sched_clock, 16, clk_rate);
- setup_irq(JZ4740_IRQ_TCU0, &timer_irqaction);
+ setup_irq(jz4740_clockevent.irq, &timer_irqaction);
ctrl = JZ_TIMER_CTRL_PRESCALE_16 | JZ_TIMER_CTRL_SRC_EXT;