summaryrefslogtreecommitdiff
path: root/arch/arm/mach-mmp
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mmp')
-rw-r--r--arch/arm/mach-mmp/Kconfig10
-rw-r--r--arch/arm/mach-mmp/Makefile1
-rw-r--r--arch/arm/mach-mmp/aspenite.c1
-rw-r--r--arch/arm/mach-mmp/common.c1
-rw-r--r--arch/arm/mach-mmp/include/mach/entry-macro.S6
-rw-r--r--arch/arm/mach-mmp/include/mach/pxa910.h1
-rw-r--r--arch/arm/mach-mmp/include/mach/regs-apbc.h1
-rw-r--r--arch/arm/mach-mmp/include/mach/regs-rtc.h23
-rw-r--r--arch/arm/mach-mmp/mmp-dt.c75
-rw-r--r--arch/arm/mach-mmp/mmp2.c1
-rw-r--r--arch/arm/mach-mmp/pxa168.c5
-rw-r--r--arch/arm/mach-mmp/pxa910.c28
-rw-r--r--arch/arm/mach-mmp/tavorevb.c1
-rw-r--r--arch/arm/mach-mmp/ttc_dkb.c1
14 files changed, 146 insertions, 9 deletions
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index 323d4c9e9f44..5a90b9a3ab6e 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -2,6 +2,16 @@ if ARCH_MMP
menu "Marvell PXA168/910/MMP2 Implmentations"
+config MACH_MMP_DT
+ bool "Support MMP2 platforms from device tree"
+ select CPU_PXA168
+ select CPU_PXA910
+ select USE_OF
+ help
+ Include support for Marvell MMP2 based platforms using
+ the device tree. Needn't select any other machine while
+ MACH_MMP_DT is enabled.
+
config MACH_ASPENITE
bool "Marvell's PXA168 Aspenite Development Board"
select CPU_PXA168
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index ba254a71691a..4fc0ff5dc96d 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -18,5 +18,6 @@ obj-$(CONFIG_MACH_TTC_DKB) += ttc_dkb.o
obj-$(CONFIG_MACH_BROWNSTONE) += brownstone.o
obj-$(CONFIG_MACH_FLINT) += flint.o
obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
+obj-$(CONFIG_MACH_MMP_DT) += mmp-dt.o
obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
obj-$(CONFIG_MACH_GPLUGD) += gplugd.o
diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 5483d6f5c6d7..bf5d8e195c3e 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -17,7 +17,6 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/interrupt.h>
-#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
diff --git a/arch/arm/mach-mmp/common.c b/arch/arm/mach-mmp/common.c
index 062b5b93c50e..9292b7966e3b 100644
--- a/arch/arm/mach-mmp/common.c
+++ b/arch/arm/mach-mmp/common.c
@@ -14,6 +14,7 @@
#include <asm/page.h>
#include <asm/mach/map.h>
+#include <asm/system_misc.h>
#include <mach/addr-map.h>
#include <mach/cputype.h>
diff --git a/arch/arm/mach-mmp/include/mach/entry-macro.S b/arch/arm/mach-mmp/include/mach/entry-macro.S
index c42d9d4e892d..9cff9e7a2b26 100644
--- a/arch/arm/mach-mmp/include/mach/entry-macro.S
+++ b/arch/arm/mach-mmp/include/mach/entry-macro.S
@@ -8,12 +8,6 @@
#include <mach/regs-icu.h>
- .macro disable_fiq
- .endm
-
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
-
.macro get_irqnr_preamble, base, tmp
mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
and \tmp, \tmp, #0xff00
diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h
index 4de13abef7bb..e2e1f1e5e124 100644
--- a/arch/arm/mach-mmp/include/mach/pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h
@@ -22,6 +22,7 @@ extern struct pxa_device_desc pxa910_device_pwm4;
extern struct pxa_device_desc pxa910_device_nand;
extern struct platform_device pxa910_device_gpio;
+extern struct platform_device pxa910_device_rtc;
static inline int pxa910_add_uart(int id)
{
diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h
index 1a96585336ba..8a37fb003655 100644
--- a/arch/arm/mach-mmp/include/mach/regs-apbc.h
+++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h
@@ -57,6 +57,7 @@
#define APBC_PXA910_SSP1 APBC_REG(0x01c)
#define APBC_PXA910_SSP2 APBC_REG(0x020)
#define APBC_PXA910_IPC APBC_REG(0x024)
+#define APBC_PXA910_RTC APBC_REG(0x028)
#define APBC_PXA910_TWSI0 APBC_REG(0x02c)
#define APBC_PXA910_KPC APBC_REG(0x030)
#define APBC_PXA910_TIMERS APBC_REG(0x034)
diff --git a/arch/arm/mach-mmp/include/mach/regs-rtc.h b/arch/arm/mach-mmp/include/mach/regs-rtc.h
new file mode 100644
index 000000000000..5bff886a3941
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/regs-rtc.h
@@ -0,0 +1,23 @@
+#ifndef __ASM_MACH_REGS_RTC_H
+#define __ASM_MACH_REGS_RTC_H
+
+#include <mach/addr-map.h>
+
+#define RTC_VIRT_BASE (APB_VIRT_BASE + 0x10000)
+#define RTC_REG(x) (*((volatile u32 __iomem *)(RTC_VIRT_BASE + (x))))
+
+/*
+ * Real Time Clock
+ */
+
+#define RCNR RTC_REG(0x00) /* RTC Count Register */
+#define RTAR RTC_REG(0x04) /* RTC Alarm Register */
+#define RTSR RTC_REG(0x08) /* RTC Status Register */
+#define RTTR RTC_REG(0x0C) /* RTC Timer Trim Register */
+
+#define RTSR_HZE (1 << 3) /* HZ interrupt enable */
+#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */
+#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */
+#define RTSR_AL (1 << 0) /* RTC alarm detected */
+
+#endif /* __ASM_MACH_REGS_RTC_H */
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
new file mode 100644
index 000000000000..67075395e400
--- /dev/null
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -0,0 +1,75 @@
+/*
+ * linux/arch/arm/mach-mmp/mmp-dt.c
+ *
+ * Copyright (C) 2012 Marvell Technology Group Ltd.
+ * Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <mach/irqs.h>
+
+#include "common.h"
+
+extern struct sys_timer pxa168_timer;
+extern void __init icu_init_irq(void);
+
+static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
+ OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
+ {}
+};
+
+static int __init mmp_intc_add_irq_domain(struct device_node *np,
+ struct device_node *parent)
+{
+ irq_domain_add_simple(np, 0);
+ return 0;
+}
+
+static int __init mmp_gpio_add_irq_domain(struct device_node *np,
+ struct device_node *parent)
+{
+ irq_domain_add_simple(np, IRQ_GPIO_START);
+ return 0;
+}
+
+static const struct of_device_id mmp_irq_match[] __initconst = {
+ { .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
+ { .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
+ {}
+};
+
+static void __init mmp_dt_init(void)
+{
+
+ of_irq_init(mmp_irq_match);
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ mmp_auxdata_lookup, NULL);
+}
+
+static const char *pxa168_dt_board_compat[] __initdata = {
+ "mrvl,pxa168-aspenite",
+ NULL,
+};
+
+DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
+ .map_io = mmp_map_io,
+ .init_irq = icu_init_irq,
+ .timer = &pxa168_timer,
+ .init_machine = mmp_dt_init,
+ .dt_compat = pxa168_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
index 617c60a170a4..c709a24a9d25 100644
--- a/arch/arm/mach-mmp/mmp2.c
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -223,6 +223,7 @@ struct resource mmp2_resource_gpio[] = {
}, {
.start = IRQ_MMP2_GPIO,
.end = IRQ_MMP2_GPIO,
+ .name = "gpio_mux",
.flags = IORESOURCE_IRQ,
},
};
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 7bc17eaa12eb..b24d2c32cba9 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <asm/mach/time.h>
+#include <asm/system_misc.h>
#include <mach/addr-map.h>
#include <mach/cputype.h>
#include <mach/regs-apbc.h>
@@ -24,7 +25,6 @@
#include <mach/dma.h>
#include <mach/devices.h>
#include <mach/mfp.h>
-#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <mach/pxa168.h>
@@ -65,6 +65,7 @@ static APBC_CLK(ssp4, PXA168_SSP4, 4, 0);
static APBC_CLK(ssp5, PXA168_SSP5, 4, 0);
static APBC_CLK(gpio, PXA168_GPIO, 0, 13000000);
static APBC_CLK(keypad, PXA168_KPC, 0, 32000);
+static APBC_CLK(rtc, PXA168_RTC, 8, 32768);
static APMU_CLK(nand, NAND, 0x19b, 156000000);
static APMU_CLK(lcd, LCD, 0x7f, 312000000);
@@ -93,6 +94,7 @@ static struct clk_lookup pxa168_clkregs[] = {
INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL),
INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"),
INIT_CLKREG(&clk_usb, "pxa168-ehci", "PXA168-USBCLK"),
+ INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
};
static int __init pxa168_init(void)
@@ -167,6 +169,7 @@ struct resource pxa168_resource_gpio[] = {
}, {
.start = IRQ_PXA168_GPIOX,
.end = IRQ_PXA168_GPIOX,
+ .name = "gpio_mux",
.flags = IORESOURCE_IRQ,
},
};
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 3241a25784d0..43f8bcc29b67 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -92,6 +92,7 @@ static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000);
+static APBC_CLK(rtc, PXA910_RTC, 8, 32768);
static APMU_CLK(nand, NAND, 0x19b, 156000000);
static APMU_CLK(u2o, USB, 0x1b, 480000000);
@@ -109,6 +110,7 @@ static struct clk_lookup pxa910_clkregs[] = {
INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
INIT_CLKREG(&clk_u2o, "pxa-u2o", "U2OCLK"),
+ INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
};
static int __init pxa910_init(void)
@@ -173,6 +175,7 @@ struct resource pxa910_resource_gpio[] = {
}, {
.start = IRQ_PXA910_AP_GPIO,
.end = IRQ_PXA910_AP_GPIO,
+ .name = "gpio_mux",
.flags = IORESOURCE_IRQ,
},
};
@@ -183,3 +186,28 @@ struct platform_device pxa910_device_gpio = {
.num_resources = ARRAY_SIZE(pxa910_resource_gpio),
.resource = pxa910_resource_gpio,
};
+
+static struct resource pxa910_resource_rtc[] = {
+ {
+ .start = 0xd4010000,
+ .end = 0xd401003f,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_PXA910_RTC_INT,
+ .end = IRQ_PXA910_RTC_INT,
+ .name = "rtc 1Hz",
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .start = IRQ_PXA910_RTC_ALARM,
+ .end = IRQ_PXA910_RTC_ALARM,
+ .name = "rtc alarm",
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device pxa910_device_rtc = {
+ .name = "sa1100-rtc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pxa910_resource_rtc),
+ .resource = pxa910_resource_rtc,
+};
diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c
index 507e6c0e34f5..b28f9084dfff 100644
--- a/arch/arm/mach-mmp/tavorevb.c
+++ b/arch/arm/mach-mmp/tavorevb.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>
-#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c
index 4c5fd5bb0c9c..3fc9ed21f97d 100644
--- a/arch/arm/mach-mmp/ttc_dkb.c
+++ b/arch/arm/mach-mmp/ttc_dkb.c
@@ -124,6 +124,7 @@ static struct platform_device ttc_dkb_device_onenand = {
static struct platform_device *ttc_dkb_devices[] = {
&pxa910_device_gpio,
+ &pxa910_device_rtc,
&ttc_dkb_device_onenand,
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-05 02:15:10 +0300