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authorArnd Bergmann <arnd@arndb.de>2013-04-19 22:30:31 +0200
committerArnd Bergmann <arnd@arndb.de>2013-04-19 22:50:01 +0200
commit1b361942b53c33f38d55065c13785aadb5103a18 (patch)
tree07b26d32b175f27f18f1fca3d5944a58f89cd17f /arch/arm/mach-spear
parent61b464aef0e306f141dbc0bb3f9c58049a987a7e (diff)
parentbcf3e72eff584136600a51a5b30ef7a794664d19 (diff)
Merge branch 'spear/multiplatform' into late/cleanup
This is a prerequisite for the spear/dwdma series. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-spear')
-rw-r--r--arch/arm/mach-spear/Kconfig103
-rw-r--r--arch/arm/mach-spear/Makefile24
-rw-r--r--arch/arm/mach-spear/Makefile.boot3
-rw-r--r--arch/arm/mach-spear/generic.h59
-rw-r--r--arch/arm/mach-spear/headsmp.S47
-rw-r--r--arch/arm/mach-spear/hotplug.c103
-rw-r--r--arch/arm/mach-spear/include/mach/debug-macro.S36
-rw-r--r--arch/arm/mach-spear/include/mach/irqs.h35
-rw-r--r--arch/arm/mach-spear/include/mach/misc_regs.h22
-rw-r--r--arch/arm/mach-spear/include/mach/spear.h95
-rw-r--r--arch/arm/mach-spear/include/mach/timex.h19
-rw-r--r--arch/arm/mach-spear/include/mach/uncompress.h42
-rw-r--r--arch/arm/mach-spear/pl080.c78
-rw-r--r--arch/arm/mach-spear/pl080.h21
-rw-r--r--arch/arm/mach-spear/platsmp.c130
-rw-r--r--arch/arm/mach-spear/restart.c34
-rw-r--r--arch/arm/mach-spear/spear1310.c96
-rw-r--r--arch/arm/mach-spear/spear1340.c193
-rw-r--r--arch/arm/mach-spear/spear13xx-dma.h128
-rw-r--r--arch/arm/mach-spear/spear13xx.c184
-rw-r--r--arch/arm/mach-spear/spear300.c220
-rw-r--r--arch/arm/mach-spear/spear310.c262
-rw-r--r--arch/arm/mach-spear/spear320.c277
-rw-r--r--arch/arm/mach-spear/spear3xx.c116
-rw-r--r--arch/arm/mach-spear/spear6xx.c431
-rw-r--r--arch/arm/mach-spear/time.c245
26 files changed, 3003 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/Kconfig b/arch/arm/mach-spear/Kconfig
new file mode 100644
index 00000000000..5412aeb377a
--- /dev/null
+++ b/arch/arm/mach-spear/Kconfig
@@ -0,0 +1,103 @@
+#
+# SPEAr Platform configuration file
+#
+
+menuconfig PLAT_SPEAR
+ bool "ST SPEAr Family" if ARCH_MULTI_V7 || ARCH_MULTI_V5
+ default PLAT_SPEAR_SINGLE
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_AMBA
+ select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
+ select COMMON_CLK
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CLK
+
+if PLAT_SPEAR
+
+config ARCH_SPEAR13XX
+ bool "ST SPEAr13xx"
+ depends on ARCH_MULTI_V7 || PLAT_SPEAR_SINGLE
+ select ARCH_HAS_CPUFREQ
+ select ARM_GIC
+ select CPU_V7
+ select GPIO_SPEAR_SPICS
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
+ select PINCTRL
+ select USE_OF
+ help
+ Supports for ARM's SPEAR13XX family
+
+if ARCH_SPEAR13XX
+
+config MACH_SPEAR1310
+ bool "SPEAr1310 Machine support with Device Tree"
+ select PINCTRL_SPEAR1310
+ help
+ Supports ST SPEAr1310 machine configured via the device-tree
+
+config MACH_SPEAR1340
+ bool "SPEAr1340 Machine support with Device Tree"
+ select PINCTRL_SPEAR1340
+ help
+ Supports ST SPEAr1340 machine configured via the device-tree
+
+endif #ARCH_SPEAR13XX
+
+config ARCH_SPEAR3XX
+ bool "ST SPEAr3xx"
+ depends on ARCH_MULTI_V5 || PLAT_SPEAR_SINGLE
+ depends on !ARCH_SPEAR13XX
+ select ARM_VIC
+ select CPU_ARM926T
+ select PINCTRL
+ select USE_OF
+ help
+ Supports for ARM's SPEAR3XX family
+
+if ARCH_SPEAR3XX
+
+config MACH_SPEAR300
+ bool "SPEAr300 Machine support with Device Tree"
+ select PINCTRL_SPEAR300
+ help
+ Supports ST SPEAr300 machine configured via the device-tree
+
+config MACH_SPEAR310
+ bool "SPEAr310 Machine support with Device Tree"
+ select PINCTRL_SPEAR310
+ help
+ Supports ST SPEAr310 machine configured via the device-tree
+
+config MACH_SPEAR320
+ bool "SPEAr320 Machine support with Device Tree"
+ select PINCTRL_SPEAR320
+ help
+ Supports ST SPEAr320 machine configured via the device-tree
+
+endif
+
+config ARCH_SPEAR6XX
+ bool "ST SPEAr6XX"
+ depends on ARCH_MULTI_V5 || PLAT_SPEAR_SINGLE
+ depends on !ARCH_SPEAR13XX
+ select ARM_VIC
+ select CPU_ARM926T
+ help
+ Supports for ARM's SPEAR6XX family
+
+config MACH_SPEAR600
+ def_bool y
+ depends on ARCH_SPEAR6XX
+ select USE_OF
+ help
+ Supports ST SPEAr600 boards configured via the device-treesource "arch/arm/mach-spear6xx/Kconfig"
+
+config ARCH_SPEAR_AUTO
+ def_bool PLAT_SPEAR_SINGLE
+ depends on !ARCH_SPEAR13XX && !ARCH_SPEAR6XX
+ select ARCH_SPEAR3XX
+
+endif
+
diff --git a/arch/arm/mach-spear/Makefile b/arch/arm/mach-spear/Makefile
new file mode 100644
index 00000000000..dc9ce80508a
--- /dev/null
+++ b/arch/arm/mach-spear/Makefile
@@ -0,0 +1,24 @@
+#
+# SPEAr Platform specific Makefile
+#
+
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
+
+# Common support
+obj-y := restart.o time.o
+
+obj-$(CONFIG_SMP) += headsmp.o platsmp.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+
+obj-$(CONFIG_ARCH_SPEAR13XX) += spear13xx.o
+obj-$(CONFIG_MACH_SPEAR1310) += spear1310.o
+obj-$(CONFIG_MACH_SPEAR1340) += spear1340.o
+
+obj-$(CONFIG_ARCH_SPEAR3XX) += spear3xx.o
+obj-$(CONFIG_ARCH_SPEAR3XX) += pl080.o
+obj-$(CONFIG_MACH_SPEAR300) += spear300.o
+obj-$(CONFIG_MACH_SPEAR310) += spear310.o
+obj-$(CONFIG_MACH_SPEAR320) += spear320.o
+
+obj-$(CONFIG_ARCH_SPEAR6XX) += spear6xx.o
+obj-$(CONFIG_ARCH_SPEAR6XX) += pl080.o
diff --git a/arch/arm/mach-spear/Makefile.boot b/arch/arm/mach-spear/Makefile.boot
new file mode 100644
index 00000000000..4674a4c221d
--- /dev/null
+++ b/arch/arm/mach-spear/Makefile.boot
@@ -0,0 +1,3 @@
+zreladdr-y += 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h
new file mode 100644
index 00000000000..8ba7e75b648
--- /dev/null
+++ b/arch/arm/mach-spear/generic.h
@@ -0,0 +1,59 @@
+/*
+ * spear machine family generic header file
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Rajeev Kumar <rajeev-dlh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_GENERIC_H
+#define __MACH_GENERIC_H
+
+#include <linux/dmaengine.h>
+#include <linux/amba/pl08x.h>
+#include <linux/init.h>
+#include <asm/mach/time.h>
+
+extern void spear13xx_timer_init(void);
+extern void spear3xx_timer_init(void);
+extern struct pl022_ssp_controller pl022_plat_data;
+extern struct pl08x_platform_data pl080_plat_data;
+extern struct dw_dma_platform_data dmac_plat_data;
+extern struct dw_dma_slave cf_dma_priv;
+extern struct dw_dma_slave nand_read_dma_priv;
+extern struct dw_dma_slave nand_write_dma_priv;
+bool dw_dma_filter(struct dma_chan *chan, void *slave);
+
+void __init spear_setup_of_timer(void);
+void __init spear3xx_clk_init(void __iomem *misc_base,
+ void __iomem *soc_config_base);
+void __init spear3xx_map_io(void);
+void __init spear3xx_dt_init_irq(void);
+void __init spear6xx_clk_init(void __iomem *misc_base);
+void __init spear13xx_map_io(void);
+void __init spear13xx_l2x0_init(void);
+
+void spear_restart(char, const char *);
+
+void spear13xx_secondary_startup(void);
+void __cpuinit spear13xx_cpu_die(unsigned int cpu);
+
+extern struct smp_operations spear13xx_smp_ops;
+
+#ifdef CONFIG_MACH_SPEAR1310
+void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base);
+#else
+static inline void spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base) {}
+#endif
+
+#ifdef CONFIG_MACH_SPEAR1340
+void __init spear1340_clk_init(void __iomem *misc_base);
+#else
+static inline void spear1340_clk_init(void __iomem *misc_base) {}
+#endif
+
+#endif /* __MACH_GENERIC_H */
diff --git a/arch/arm/mach-spear/headsmp.S b/arch/arm/mach-spear/headsmp.S
new file mode 100644
index 00000000000..ed85473a047
--- /dev/null
+++ b/arch/arm/mach-spear/headsmp.S
@@ -0,0 +1,47 @@
+/*
+ * arch/arm/mach-spear13XX/headsmp.S
+ *
+ * Picked from realview
+ * Copyright (c) 2012 ST Microelectronics Limited
+ * Shiraz Hashim <shiraz.hashim@st.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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+ __INIT
+
+/*
+ * spear13xx specific entry point for secondary CPUs. This provides
+ * a "holding pen" into which all secondary cores are held until we're
+ * ready for them to initialise.
+ */
+ENTRY(spear13xx_secondary_startup)
+ mrc p15, 0, r0, c0, c0, 5
+ and r0, r0, #15
+ adr r4, 1f
+ ldmia r4, {r5, r6}
+ sub r4, r4, r5
+ add r6, r6, r4
+pen: ldr r7, [r6]
+ cmp r7, r0
+ bne pen
+
+ /* re-enable coherency */
+ mrc p15, 0, r0, c1, c0, 1
+ orr r0, r0, #(1 << 6) | (1 << 0)
+ mcr p15, 0, r0, c1, c0, 1
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup
+
+ .align
+1: .long .
+ .long pen_release
+ENDPROC(spear13xx_secondary_startup)
diff --git a/arch/arm/mach-spear/hotplug.c b/arch/arm/mach-spear/hotplug.c
new file mode 100644
index 00000000000..a7d2dd11a4f
--- /dev/null
+++ b/arch/arm/mach-spear/hotplug.c
@@ -0,0 +1,103 @@
+/*
+ * linux/arch/arm/mach-spear13xx/hotplug.c
+ *
+ * Copyright (C) 2012 ST Microelectronics Ltd.
+ * Deepak Sikri <deepak.sikri@st.com>
+ *
+ * based upon linux/arch/arm/mach-realview/hotplug.c
+ *
+ * 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
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/smp.h>
+#include <asm/cacheflush.h>
+#include <asm/cp15.h>
+#include <asm/smp_plat.h>
+
+static inline void cpu_enter_lowpower(void)
+{
+ unsigned int v;
+
+ flush_cache_all();
+ asm volatile(
+ " mcr p15, 0, %1, c7, c5, 0\n"
+ " dsb\n"
+ /*
+ * Turn off coherency
+ */
+ " mrc p15, 0, %0, c1, c0, 1\n"
+ " bic %0, %0, #0x20\n"
+ " mcr p15, 0, %0, c1, c0, 1\n"
+ " mrc p15, 0, %0, c1, c0, 0\n"
+ " bic %0, %0, %2\n"
+ " mcr p15, 0, %0, c1, c0, 0\n"
+ : "=&r" (v)
+ : "r" (0), "Ir" (CR_C)
+ : "cc", "memory");
+}
+
+static inline void cpu_leave_lowpower(void)
+{
+ unsigned int v;
+
+ asm volatile("mrc p15, 0, %0, c1, c0, 0\n"
+ " orr %0, %0, %1\n"
+ " mcr p15, 0, %0, c1, c0, 0\n"
+ " mrc p15, 0, %0, c1, c0, 1\n"
+ " orr %0, %0, #0x20\n"
+ " mcr p15, 0, %0, c1, c0, 1\n"
+ : "=&r" (v)
+ : "Ir" (CR_C)
+ : "cc");
+}
+
+static inline void spear13xx_do_lowpower(unsigned int cpu, int *spurious)
+{
+ for (;;) {
+ wfi();
+
+ if (pen_release == cpu) {
+ /*
+ * OK, proper wakeup, we're done
+ */
+ break;
+ }
+
+ /*
+ * Getting here, means that we have come out of WFI without
+ * having been woken up - this shouldn't happen
+ *
+ * Just note it happening - when we're woken, we can report
+ * its occurrence.
+ */
+ (*spurious)++;
+ }
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void __ref spear13xx_cpu_die(unsigned int cpu)
+{
+ int spurious = 0;
+
+ /*
+ * we're ready for shutdown now, so do it
+ */
+ cpu_enter_lowpower();
+ spear13xx_do_lowpower(cpu, &spurious);
+
+ /*
+ * bring this CPU back into the world of cache
+ * coherency, and then restore interrupts
+ */
+ cpu_leave_lowpower();
+
+ if (spurious)
+ pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
+}
diff --git a/arch/arm/mach-spear/include/mach/debug-macro.S b/arch/arm/mach-spear/include/mach/debug-macro.S
new file mode 100644
index 00000000000..75b05ad0fba
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/debug-macro.S
@@ -0,0 +1,36 @@
+/*
+ * arch/arm/plat-spear/include/plat/debug-macro.S
+ *
+ * Debugging macro include header for spear platform
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/amba/serial.h>
+#include <mach/spear.h>
+
+ .macro addruart, rp, rv, tmp
+ mov \rp, #SPEAR_DBG_UART_BASE @ Physical base
+ mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base
+ .endm
+
+ .macro senduart, rd, rx
+ strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER
+ .endm
+
+ .macro waituart, rd, rx
+1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER
+ tst \rd, #UART01x_FR_TXFF @ TX_FULL
+ bne 1001b
+ .endm
+
+ .macro busyuart, rd, rx
+1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER
+ tst \rd, #UART011_FR_TXFE @ TX_EMPTY
+ beq 1002b
+ .endm
diff --git a/arch/arm/mach-spear/include/mach/irqs.h b/arch/arm/mach-spear/include/mach/irqs.h
new file mode 100644
index 00000000000..92da0a8c6bc
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/irqs.h
@@ -0,0 +1,35 @@
+/*
+ * IRQ helper macros for spear machine family
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Rajeev Kumar <rajeev-dlh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_IRQS_H
+#define __MACH_IRQS_H
+
+#ifdef CONFIG_ARCH_SPEAR3XX
+#define NR_IRQS 256
+#endif
+
+#ifdef CONFIG_ARCH_SPEAR6XX
+/* IRQ definitions */
+/* VIC 1 */
+#define IRQ_VIC_END 64
+
+/* GPIO pins virtual irqs */
+#define VIRTUAL_IRQS 24
+#define NR_IRQS (IRQ_VIC_END + VIRTUAL_IRQS)
+#endif
+
+#ifdef CONFIG_ARCH_SPEAR13XX
+#define IRQ_GIC_END 160
+#define NR_IRQS IRQ_GIC_END
+#endif
+
+#endif /* __MACH_IRQS_H */
diff --git a/arch/arm/mach-spear/include/mach/misc_regs.h b/arch/arm/mach-spear/include/mach/misc_regs.h
new file mode 100644
index 00000000000..935639ce59b
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/misc_regs.h
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-spear3xx/include/mach/misc_regs.h
+ *
+ * Miscellaneous registers definitions for SPEAr3xx machine family
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_MISC_REGS_H
+#define __MACH_MISC_REGS_H
+
+#include <mach/spear.h>
+
+#define MISC_BASE (VA_SPEAR_ICM3_MISC_REG_BASE)
+#define DMA_CHN_CFG (MISC_BASE + 0x0A0)
+
+#endif /* __MACH_MISC_REGS_H */
diff --git a/arch/arm/mach-spear/include/mach/spear.h b/arch/arm/mach-spear/include/mach/spear.h
new file mode 100644
index 00000000000..374ddc393df
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/spear.h
@@ -0,0 +1,95 @@
+/*
+ * SPEAr3xx/6xx Machine family specific definition
+ *
+ * Copyright (C) 2009,2012 ST Microelectronics
+ * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_SPEAR_H
+#define __MACH_SPEAR_H
+
+#include <asm/memory.h>
+
+#if defined(CONFIG_ARCH_SPEAR3XX) || defined (CONFIG_ARCH_SPEAR6XX)
+
+/* ICM1 - Low speed connection */
+#define SPEAR_ICM1_2_BASE UL(0xD0000000)
+#define VA_SPEAR_ICM1_2_BASE IOMEM(0xFD000000)
+#define SPEAR_ICM1_UART_BASE UL(0xD0000000)
+#define VA_SPEAR_ICM1_UART_BASE (VA_SPEAR_ICM1_2_BASE - SPEAR_ICM1_2_BASE + SPEAR_ICM1_UART_BASE)
+#define SPEAR3XX_ICM1_SSP_BASE UL(0xD0100000)
+
+/* ML-1, 2 - Multi Layer CPU Subsystem */
+#define SPEAR_ICM3_ML1_2_BASE UL(0xF0000000)
+#define VA_SPEAR6XX_ML_CPU_BASE IOMEM(0xF0000000)
+
+/* ICM3 - Basic Subsystem */
+#define SPEAR_ICM3_SMI_CTRL_BASE UL(0xFC000000)
+#define VA_SPEAR_ICM3_SMI_CTRL_BASE IOMEM(0xFC000000)
+#define SPEAR_ICM3_DMA_BASE UL(0xFC400000)
+#define SPEAR_ICM3_SYS_CTRL_BASE UL(0xFCA00000)
+#define VA_SPEAR_ICM3_SYS_CTRL_BASE (VA_SPEAR_ICM3_SMI_CTRL_BASE - SPEAR_ICM3_SMI_CTRL_BASE + SPEAR_ICM3_SYS_CTRL_BASE)
+#define SPEAR_ICM3_MISC_REG_BASE UL(0xFCA80000)
+#define VA_SPEAR_ICM3_MISC_REG_BASE (VA_SPEAR_ICM3_SMI_CTRL_BASE - SPEAR_ICM3_SMI_CTRL_BASE + SPEAR_ICM3_MISC_REG_BASE)
+
+/* Debug uart for linux, will be used for debug and uncompress messages */
+#define SPEAR_DBG_UART_BASE SPEAR_ICM1_UART_BASE
+#define VA_SPEAR_DBG_UART_BASE VA_SPEAR_ICM1_UART_BASE
+
+/* Sysctl base for spear platform */
+#define SPEAR_SYS_CTRL_BASE SPEAR_ICM3_SYS_CTRL_BASE
+#define VA_SPEAR_SYS_CTRL_BASE VA_SPEAR_ICM3_SYS_CTRL_BASE
+#endif /* SPEAR3xx || SPEAR6XX */
+
+/* SPEAr320 Macros */
+#define SPEAR320_SOC_CONFIG_BASE UL(0xB3000000)
+#define VA_SPEAR320_SOC_CONFIG_BASE IOMEM(0xFE000000)
+
+#ifdef CONFIG_ARCH_SPEAR13XX
+
+#define PERIP_GRP2_BASE UL(0xB3000000)
+#define VA_PERIP_GRP2_BASE IOMEM(0xFE000000)
+#define MCIF_SDHCI_BASE UL(0xB3000000)
+#define SYSRAM0_BASE UL(0xB3800000)
+#define VA_SYSRAM0_BASE IOMEM(0xFE800000)
+#define SYS_LOCATION (VA_SYSRAM0_BASE + 0x600)
+
+#define PERIP_GRP1_BASE UL(0xE0000000)
+#define VA_PERIP_GRP1_BASE IOMEM(0xFD000000)
+#define UART_BASE UL(0xE0000000)
+#define VA_UART_BASE IOMEM(0xFD000000)
+#define SSP_BASE UL(0xE0100000)
+#define MISC_BASE UL(0xE0700000)
+#define VA_MISC_BASE IOMEM(0xFD700000)
+
+#define A9SM_AND_MPMC_BASE UL(0xEC000000)
+#define VA_A9SM_AND_MPMC_BASE IOMEM(0xFC000000)
+
+#define SPEAR1310_RAS_BASE UL(0xD8400000)
+#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000))
+
+/* A9SM peripheral offsets */
+#define A9SM_PERIP_BASE UL(0xEC800000)
+#define VA_A9SM_PERIP_BASE IOMEM(0xFC800000)
+#define VA_SCU_BASE (VA_A9SM_PERIP_BASE + 0x00)
+
+#define L2CC_BASE UL(0xED000000)
+#define VA_L2CC_BASE IOMEM(UL(0xFB000000))
+
+/* others */
+#define DMAC0_BASE UL(0xEA800000)
+#define DMAC1_BASE UL(0xEB000000)
+#define MCIF_CF_BASE UL(0xB2800000)
+
+/* Debug uart for linux, will be used for debug and uncompress messages */
+#define SPEAR_DBG_UART_BASE UART_BASE
+#define VA_SPEAR_DBG_UART_BASE VA_UART_BASE
+
+#endif /* SPEAR13XX */
+
+#endif /* __MACH_SPEAR_H */
diff --git a/arch/arm/mach-spear/include/mach/timex.h b/arch/arm/mach-spear/include/mach/timex.h
new file mode 100644
index 00000000000..ef95e5b780b
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/timex.h
@@ -0,0 +1,19 @@
+/*
+ * arch/arm/plat-spear/include/plat/timex.h
+ *
+ * SPEAr platform specific timex definitions
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_TIMEX_H
+#define __PLAT_TIMEX_H
+
+#define CLOCK_TICK_RATE 48000000
+
+#endif /* __PLAT_TIMEX_H */
diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h
new file mode 100644
index 00000000000..51b2dc93e4d
--- /dev/null
+++ b/arch/arm/mach-spear/include/mach/uncompress.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/plat-spear/include/plat/uncompress.h
+ *
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/io.h>
+#include <linux/amba/serial.h>
+#include <mach/spear.h>
+
+#ifndef __PLAT_UNCOMPRESS_H
+#define __PLAT_UNCOMPRESS_H
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+ void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE;
+
+ while (readl_relaxed(base + UART01x_FR) & UART01x_FR_TXFF)
+ barrier();
+
+ writel_relaxed(c, base + UART01x_DR);
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+
+#endif /* __PLAT_UNCOMPRESS_H */
diff --git a/arch/arm/mach-spear/pl080.c b/arch/arm/mach-spear/pl080.c
new file mode 100644
index 00000000000..cfa1199d0f4
--- /dev/null
+++ b/arch/arm/mach-spear/pl080.c
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/plat-spear/pl080.c
+ *
+ * DMAC pl080 definitions for SPEAr platform
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/amba/pl08x.h>
+#include <linux/amba/bus.h>
+#include <linux/bug.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/spinlock_types.h>
+#include <mach/spear.h>
+#include <mach/misc_regs.h>
+
+static spinlock_t lock = __SPIN_LOCK_UNLOCKED(x);
+
+struct {
+ unsigned char busy;
+ unsigned char val;
+} signals[16] = {{0, 0}, };
+
+int pl080_get_signal(const struct pl08x_channel_data *cd)
+{
+ unsigned int signal = cd->min_signal, val;
+ unsigned long flags;
+
+ spin_lock_irqsave(&lock, flags);
+
+ /* Return if signal is already acquired by somebody else */
+ if (signals[signal].busy &&
+ (signals[signal].val != cd->muxval)) {
+ spin_unlock_irqrestore(&lock, flags);
+ return -EBUSY;
+ }
+
+ /* If acquiring for the first time, configure it */
+ if (!signals[signal].busy) {
+ val = readl(DMA_CHN_CFG);
+
+ /*
+ * Each request line has two bits in DMA_CHN_CFG register. To
+ * goto the bits of current request line, do left shift of
+ * value by 2 * signal number.
+ */
+ val &= ~(0x3 << (signal * 2));
+ val |= cd->muxval << (signal * 2);
+ writel(val, DMA_CHN_CFG);
+ }
+
+ signals[signal].busy++;
+ signals[signal].val = cd->muxval;
+ spin_unlock_irqrestore(&lock, flags);
+
+ return signal;
+}
+
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&lock, flags);
+
+ /* if signal is not used */
+ if (!signals[signal].busy)
+ BUG();
+
+ signals[signal].busy--;
+
+ spin_unlock_irqrestore(&lock, flags);
+}
diff --git a/arch/arm/mach-spear/pl080.h b/arch/arm/mach-spear/pl080.h
new file mode 100644
index 00000000000..eb6590ded40
--- /dev/null
+++ b/arch/arm/mach-spear/pl080.h
@@ -0,0 +1,21 @@
+/*
+ * arch/arm/plat-spear/include/plat/pl080.h
+ *
+ * DMAC pl080 definitions for SPEAr platform
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_PL080_H
+#define __PLAT_PL080_H
+
+struct pl08x_channel_data;
+int pl080_get_signal(const struct pl08x_channel_data *cd);
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal);
+
+#endif /* __PLAT_PL080_H */
diff --git a/arch/arm/mach-spear/platsmp.c b/arch/arm/mach-spear/platsmp.c
new file mode 100644
index 00000000000..927979e26b4
--- /dev/null
+++ b/arch/arm/mach-spear/platsmp.c
@@ -0,0 +1,130 @@
+/*
+ * arch/arm/mach-spear13xx/platsmp.c
+ *
+ * based upon linux/arch/arm/mach-realview/platsmp.c
+ *
+ * Copyright (C) 2012 ST Microelectronics Ltd.
+ * Shiraz Hashim <shiraz.hashim@st.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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/io.h>
+#include <linux/smp.h>
+#include <linux/irqchip/arm-gic.h>
+#include <asm/cacheflush.h>
+#include <asm/smp_scu.h>
+#include <mach/spear.h>
+#include "generic.h"
+
+static DEFINE_SPINLOCK(boot_lock);
+
+static void __iomem *scu_base = IOMEM(VA_SCU_BASE);
+
+static void __cpuinit spear13xx_secondary_init(unsigned int cpu)
+{
+ /*
+ * if any interrupts are already enabled for the primary
+ * core (e.g. timer irq), then they will not have been enabled
+ * for us: do so
+ */
+ gic_secondary_init(0);
+
+ /*
+ * let the primary processor know we're out of the
+ * pen, then head off into the C entry point
+ */
+ pen_release = -1;
+ smp_wmb();
+
+ /*
+ * Synchronise with the boot thread.
+ */
+ spin_lock(&boot_lock);
+ spin_unlock(&boot_lock);
+}
+
+static int __cpuinit spear13xx_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ unsigned long timeout;
+
+ /*
+ * set synchronisation state between this boot processor
+ * and the secondary one
+ */
+ spin_lock(&boot_lock);
+
+ /*
+ * The secondary processor is waiting to be released from
+ * the holding pen - release it, then wait for it to flag
+ * that it has been released by resetting pen_release.
+ *
+ * Note that "pen_release" is the hardware CPU ID, whereas
+ * "cpu" is Linux's internal ID.
+ */
+ pen_release = cpu;
+ flush_cache_all();
+ outer_flush_all();
+
+ timeout = jiffies + (1 * HZ);
+ while (time_before(jiffies, timeout)) {
+ smp_rmb();
+ if (pen_release == -1)
+ break;
+
+ udelay(10);
+ }
+
+ /*
+ * now the secondary core is starting up let it run its
+ * calibrations, then wait for it to finish
+ */
+ spin_unlock(&boot_lock);
+
+ return pen_release != -1 ? -ENOSYS : 0;
+}
+
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system.
+ */
+static void __init spear13xx_smp_init_cpus(void)
+{
+ unsigned int i, ncores = scu_get_core_count(scu_base);
+
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
+ }
+
+ for (i = 0; i < ncores; i++)
+ set_cpu_possible(i, true);
+}
+
+static void __init spear13xx_smp_prepare_cpus(unsigned int max_cpus)
+{
+
+ scu_enable(scu_base);
+
+ /*
+ * Write the address of secondary startup into the system-wide location
+ * (presently it is in SRAM). The BootMonitor waits until it receives a
+ * soft interrupt, and then the secondary CPU branches to this address.
+ */
+ __raw_writel(virt_to_phys(spear13xx_secondary_startup), SYS_LOCATION);
+}
+
+struct smp_operations spear13xx_smp_ops __initdata = {
+ .smp_init_cpus = spear13xx_smp_init_cpus,
+ .smp_prepare_cpus = spear13xx_smp_prepare_cpus,
+ .smp_secondary_init = spear13xx_secondary_init,
+ .smp_boot_secondary = spear13xx_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
+ .cpu_die = spear13xx_cpu_die,
+#endif
+};
diff --git a/arch/arm/mach-spear/restart.c b/arch/arm/mach-spear/restart.c
new file mode 100644
index 00000000000..2b44500bb71
--- /dev/null
+++ b/arch/arm/mach-spear/restart.c
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/plat-spear/restart.c
+ *
+ * SPEAr platform specific restart functions
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/io.h>
+#include <linux/amba/sp810.h>
+#include <asm/system_misc.h>
+#include <mach/spear.h>
+#include "generic.h"
+
+#define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
+void spear_restart(char mode, const char *cmd)
+{
+ if (mode == 's') {
+ /* software reset, Jump into ROM at address 0 */
+ soft_restart(0);
+ } else {
+ /* hardware reset, Use on-chip reset capability */
+#ifdef CONFIG_ARCH_SPEAR13XX
+ writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
+#endif
+#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
+ sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
+#endif
+ }
+}
diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c
new file mode 100644
index 00000000000..ed3b5c287a7
--- /dev/null
+++ b/arch/arm/mach-spear/spear1310.c
@@ -0,0 +1,96 @@
+/*
+ * arch/arm/mach-spear13xx/spear1310.c
+ *
+ * SPEAr1310 machine source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr1310: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <linux/pata_arasan_cf_data.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+/* Base addresses */
+#define SPEAR1310_SSP1_BASE UL(0x5D400000)
+#define SPEAR1310_SATA0_BASE UL(0xB1000000)
+#define SPEAR1310_SATA1_BASE UL(0xB1800000)
+#define SPEAR1310_SATA2_BASE UL(0xB4000000)
+
+#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
+#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
+
+static struct arasan_cf_pdata cf_pdata = {
+ .cf_if_clk = CF_IF_CLK_166M,
+ .quirk = CF_BROKEN_UDMA,
+ .dma_priv = &cf_dma_priv,
+};
+
+/* ssp device registration */
+static struct pl022_ssp_controller ssp1_plat_data = {
+ .enable_dma = 0,
+};
+
+/* Add SPEAr1310 auxdata to pass platform data */
+static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data),
+
+ OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data),
+ {}
+};
+
+static void __init spear1310_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear1310_auxdata_lookup, NULL);
+}
+
+static const char * const spear1310_dt_board_compat[] = {
+ "st,spear1310",
+ "st,spear1310-evb",
+ NULL,
+};
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xD8000000 0xFA000000
+ */
+struct map_desc spear1310_io_desc[] __initdata = {
+ {
+ .virtual = VA_SPEAR1310_RAS_GRP1_BASE,
+ .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+static void __init spear1310_map_io(void)
+{
+ iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
+ spear13xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
+ .smp = smp_ops(spear13xx_smp_ops),
+ .map_io = spear1310_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear13xx_timer_init,
+ .init_machine = spear1310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1310_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/spear1340.c b/arch/arm/mach-spear/spear1340.c
new file mode 100644
index 00000000000..75e38644bbf
--- /dev/null
+++ b/arch/arm/mach-spear/spear1340.c
@@ -0,0 +1,193 @@
+/*
+ * arch/arm/mach-spear13xx/spear1340.c
+ *
+ * SPEAr1340 machine source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr1340: " fmt
+
+#include <linux/ahci_platform.h>
+#include <linux/amba/serial.h>
+#include <linux/delay.h>
+#include <linux/dw_dmac.h>
+#include <linux/of_platform.h>
+#include <linux/irqchip.h>
+#include <asm/mach/arch.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+#include "spear13xx-dma.h"
+
+/* Base addresses */
+#define SPEAR1340_SATA_BASE UL(0xB1000000)
+#define SPEAR1340_UART1_BASE UL(0xB4100000)
+
+/* Power Management Registers */
+#define SPEAR1340_PCM_CFG (VA_MISC_BASE + 0x100)
+#define SPEAR1340_PCM_WKUP_CFG (VA_MISC_BASE + 0x104)
+#define SPEAR1340_SWITCH_CTR (VA_MISC_BASE + 0x108)
+
+#define SPEAR1340_PERIP1_SW_RST (VA_MISC_BASE + 0x318)
+#define SPEAR1340_PERIP2_SW_RST (VA_MISC_BASE + 0x31C)
+#define SPEAR1340_PERIP3_SW_RST (VA_MISC_BASE + 0x320)
+
+/* PCIE - SATA configuration registers */
+#define SPEAR1340_PCIE_SATA_CFG (VA_MISC_BASE + 0x424)
+ /* PCIE CFG MASks */
+ #define SPEAR1340_PCIE_CFG_DEVICE_PRESENT (1 << 11)
+ #define SPEAR1340_PCIE_CFG_POWERUP_RESET (1 << 10)
+ #define SPEAR1340_PCIE_CFG_CORE_CLK_EN (1 << 9)
+ #define SPEAR1340_PCIE_CFG_AUX_CLK_EN (1 << 8)
+ #define SPEAR1340_SATA_CFG_TX_CLK_EN (1 << 4)
+ #define SPEAR1340_SATA_CFG_RX_CLK_EN (1 << 3)
+ #define SPEAR1340_SATA_CFG_POWERUP_RESET (1 << 2)
+ #define SPEAR1340_SATA_CFG_PM_CLK_EN (1 << 1)
+ #define SPEAR1340_PCIE_SATA_SEL_PCIE (0)
+ #define SPEAR1340_PCIE_SATA_SEL_SATA (1)
+ #define SPEAR1340_SATA_PCIE_CFG_MASK 0xF1F
+ #define SPEAR1340_PCIE_CFG_VAL (SPEAR1340_PCIE_SATA_SEL_PCIE | \
+ SPEAR1340_PCIE_CFG_AUX_CLK_EN | \
+ SPEAR1340_PCIE_CFG_CORE_CLK_EN | \
+ SPEAR1340_PCIE_CFG_POWERUP_RESET | \
+ SPEAR1340_PCIE_CFG_DEVICE_PRESENT)
+ #define SPEAR1340_SATA_CFG_VAL (SPEAR1340_PCIE_SATA_SEL_SATA | \
+ SPEAR1340_SATA_CFG_PM_CLK_EN | \
+ SPEAR1340_SATA_CFG_POWERUP_RESET | \
+ SPEAR1340_SATA_CFG_RX_CLK_EN | \
+ SPEAR1340_SATA_CFG_TX_CLK_EN)
+
+#define SPEAR1340_PCIE_MIPHY_CFG (VA_MISC_BASE + 0x428)
+ #define SPEAR1340_MIPHY_OSC_BYPASS_EXT (1 << 31)
+ #define SPEAR1340_MIPHY_CLK_REF_DIV2 (1 << 27)
+ #define SPEAR1340_MIPHY_CLK_REF_DIV4 (2 << 27)
+ #define SPEAR1340_MIPHY_CLK_REF_DIV8 (3 << 27)
+ #define SPEAR1340_MIPHY_PLL_RATIO_TOP(x) (x << 0)
+ #define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA \
+ (SPEAR1340_MIPHY_OSC_BYPASS_EXT | \
+ SPEAR1340_MIPHY_CLK_REF_DIV2 | \
+ SPEAR1340_MIPHY_PLL_RATIO_TOP(60))
+ #define SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK \
+ (SPEAR1340_MIPHY_PLL_RATIO_TOP(120))
+ #define SPEAR1340_PCIE_SATA_MIPHY_CFG_PCIE \
+ (SPEAR1340_MIPHY_OSC_BYPASS_EXT | \
+ SPEAR1340_MIPHY_PLL_RATIO_TOP(25))
+
+static struct dw_dma_slave uart1_dma_param[] = {
+ {
+ /* Tx */
+ .cfg_hi = DWC_CFGH_DST_PER(SPEAR1340_DMA_REQ_UART1_TX),
+ .cfg_lo = 0,
+ .src_master = DMA_MASTER_MEMORY,
+ .dst_master = SPEAR1340_DMA_MASTER_UART1,
+ }, {
+ /* Rx */
+ .cfg_hi = DWC_CFGH_SRC_PER(SPEAR1340_DMA_REQ_UART1_RX),
+ .cfg_lo = 0,
+ .src_master = SPEAR1340_DMA_MASTER_UART1,
+ .dst_master = DMA_MASTER_MEMORY,
+ }
+};
+
+static struct amba_pl011_data uart1_data = {
+ .dma_filter = dw_dma_filter,
+ .dma_tx_param = &uart1_dma_param[0],
+ .dma_rx_param = &uart1_dma_param[1],
+};
+
+/* SATA device registration */
+static int sata_miphy_init(struct device *dev, void __iomem *addr)
+{
+ writel(SPEAR1340_SATA_CFG_VAL, SPEAR1340_PCIE_SATA_CFG);
+ writel(SPEAR1340_PCIE_SATA_MIPHY_CFG_SATA_25M_CRYSTAL_CLK,
+ SPEAR1340_PCIE_MIPHY_CFG);
+ /* Switch on sata power domain */
+ writel((readl(SPEAR1340_PCM_CFG) | (0x800)), SPEAR1340_PCM_CFG);
+ msleep(20);
+ /* Disable PCIE SATA Controller reset */
+ writel((readl(SPEAR1340_PERIP1_SW_RST) & (~0x1000)),
+ SPEAR1340_PERIP1_SW_RST);
+ msleep(20);
+
+ return 0;
+}
+
+void sata_miphy_exit(struct device *dev)
+{
+ writel(0, SPEAR1340_PCIE_SATA_CFG);
+ writel(0, SPEAR1340_PCIE_MIPHY_CFG);
+
+ /* Enable PCIE SATA Controller reset */
+ writel((readl(SPEAR1340_PERIP1_SW_RST) | (0x1000)),
+ SPEAR1340_PERIP1_SW_RST);
+ msleep(20);
+ /* Switch off sata power domain */
+ writel((readl(SPEAR1340_PCM_CFG) & (~0x800)), SPEAR1340_PCM_CFG);
+ msleep(20);
+}
+
+int sata_suspend(struct device *dev)
+{
+ if (dev->power.power_state.event == PM_EVENT_FREEZE)
+ return 0;
+
+ sata_miphy_exit(dev);
+
+ return 0;
+}
+
+int sata_resume(struct device *dev)
+{
+ if (dev->power.power_state.event == PM_EVENT_THAW)
+ return 0;
+
+ return sata_miphy_init(dev, NULL);
+}
+
+static struct ahci_platform_data sata_pdata = {
+ .init = sata_miphy_init,
+ .exit = sata_miphy_exit,
+ .suspend = sata_suspend,
+ .resume = sata_resume,
+};
+
+/* Add SPEAr1340 auxdata to pass platform data */
+static struct of_dev_auxdata spear1340_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data),
+ OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data),
+
+ OF_DEV_AUXDATA("snps,spear-ahci", SPEAR1340_SATA_BASE, NULL,
+ &sata_pdata),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR1340_UART1_BASE, NULL, &uart1_data),
+ {}
+};
+
+static void __init spear1340_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear1340_auxdata_lookup, NULL);
+}
+
+static const char * const spear1340_dt_board_compat[] = {
+ "st,spear1340",
+ "st,spear1340-evb",
+ NULL,
+};
+
+DT_MACHINE_START(SPEAR1340_DT, "ST SPEAr1340 SoC with Flattened Device Tree")
+ .smp = smp_ops(spear13xx_smp_ops),
+ .map_io = spear13xx_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear13xx_timer_init,
+ .init_machine = spear1340_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1340_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/spear13xx-dma.h b/arch/arm/mach-spear/spear13xx-dma.h
new file mode 100644
index 00000000000..d50bdb60592
--- /dev/null
+++ b/arch/arm/mach-spear/spear13xx-dma.h
@@ -0,0 +1,128 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/dma.h
+ *
+ * DMA information for SPEAr13xx machine family
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_DMA_H
+#define __MACH_DMA_H
+
+/* request id of all the peripherals */
+enum dma_master_info {
+ /* Accessible from only one master */
+ DMA_MASTER_MCIF = 0,
+ DMA_MASTER_FSMC = 1,
+ /* Accessible from both 0 & 1 */
+ DMA_MASTER_MEMORY = 0,
+ DMA_MASTER_ADC = 0,
+ DMA_MASTER_UART0 = 0,
+ DMA_MASTER_SSP0 = 0,
+ DMA_MASTER_I2C0 = 0,
+
+#ifdef CONFIG_MACH_SPEAR1310
+ /* Accessible from only one master */
+ SPEAR1310_DMA_MASTER_JPEG = 1,
+
+ /* Accessible from both 0 & 1 */
+ SPEAR1310_DMA_MASTER_I2S = 0,
+ SPEAR1310_DMA_MASTER_UART1 = 0,
+ SPEAR1310_DMA_MASTER_UART2 = 0,
+ SPEAR1310_DMA_MASTER_UART3 = 0,
+ SPEAR1310_DMA_MASTER_UART4 = 0,
+ SPEAR1310_DMA_MASTER_UART5 = 0,
+ SPEAR1310_DMA_MASTER_I2C1 = 0,
+ SPEAR1310_DMA_MASTER_I2C2 = 0,
+ SPEAR1310_DMA_MASTER_I2C3 = 0,
+ SPEAR1310_DMA_MASTER_I2C4 = 0,
+ SPEAR1310_DMA_MASTER_I2C5 = 0,
+ SPEAR1310_DMA_MASTER_I2C6 = 0,
+ SPEAR1310_DMA_MASTER_I2C7 = 0,
+ SPEAR1310_DMA_MASTER_SSP1 = 0,
+#endif
+
+#ifdef CONFIG_MACH_SPEAR1340
+ /* Accessible from only one master */
+ SPEAR1340_DMA_MASTER_I2S_PLAY = 1,
+ SPEAR1340_DMA_MASTER_I2S_REC = 1,
+ SPEAR1340_DMA_MASTER_I2C1 = 1,
+ SPEAR1340_DMA_MASTER_UART1 = 1,
+
+ /* following are accessible from both master 0 & 1 */
+ SPEAR1340_DMA_MASTER_SPDIF = 0,
+ SPEAR1340_DMA_MASTER_CAM = 1,
+ SPEAR1340_DMA_MASTER_VIDEO_IN = 0,
+ SPEAR1340_DMA_MASTER_MALI = 0,
+#endif
+};
+
+enum request_id {
+ DMA_REQ_ADC = 0,
+ DMA_REQ_SSP0_TX = 4,
+ DMA_REQ_SSP0_RX = 5,
+ DMA_REQ_UART0_TX = 6,
+ DMA_REQ_UART0_RX = 7,
+ DMA_REQ_I2C0_TX = 8,
+ DMA_REQ_I2C0_RX = 9,
+
+#ifdef CONFIG_MACH_SPEAR1310
+ SPEAR1310_DMA_REQ_FROM_JPEG = 2,
+ SPEAR1310_DMA_REQ_TO_JPEG = 3,
+ SPEAR1310_DMA_REQ_I2S_TX = 10,
+ SPEAR1310_DMA_REQ_I2S_RX = 11,
+
+ SPEAR1310_DMA_REQ_I2C1_RX = 0,
+ SPEAR1310_DMA_REQ_I2C1_TX = 1,
+ SPEAR1310_DMA_REQ_I2C2_RX = 2,
+ SPEAR1310_DMA_REQ_I2C2_TX = 3,
+ SPEAR1310_DMA_REQ_I2C3_RX = 4,
+ SPEAR1310_DMA_REQ_I2C3_TX = 5,
+ SPEAR1310_DMA_REQ_I2C4_RX = 6,
+ SPEAR1310_DMA_REQ_I2C4_TX = 7,
+ SPEAR1310_DMA_REQ_I2C5_RX = 8,
+ SPEAR1310_DMA_REQ_I2C5_TX = 9,
+ SPEAR1310_DMA_REQ_I2C6_RX = 10,
+ SPEAR1310_DMA_REQ_I2C6_TX = 11,
+ SPEAR1310_DMA_REQ_UART1_RX = 12,
+ SPEAR1310_DMA_REQ_UART1_TX = 13,
+ SPEAR1310_DMA_REQ_UART2_RX = 14,
+ SPEAR1310_DMA_REQ_UART2_TX = 15,
+ SPEAR1310_DMA_REQ_UART5_RX = 16,
+ SPEAR1310_DMA_REQ_UART5_TX = 17,
+ SPEAR1310_DMA_REQ_SSP1_RX = 18,
+ SPEAR1310_DMA_REQ_SSP1_TX = 19,
+ SPEAR1310_DMA_REQ_I2C7_RX = 20,
+ SPEAR1310_DMA_REQ_I2C7_TX = 21,
+ SPEAR1310_DMA_REQ_UART3_RX = 28,
+ SPEAR1310_DMA_REQ_UART3_TX = 29,
+ SPEAR1310_DMA_REQ_UART4_RX = 30,
+ SPEAR1310_DMA_REQ_UART4_TX = 31,
+#endif
+
+#ifdef CONFIG_MACH_SPEAR1340
+ SPEAR1340_DMA_REQ_SPDIF_TX = 2,
+ SPEAR1340_DMA_REQ_SPDIF_RX = 3,
+ SPEAR1340_DMA_REQ_I2S_TX = 10,
+ SPEAR1340_DMA_REQ_I2S_RX = 11,
+ SPEAR1340_DMA_REQ_UART1_TX = 12,
+ SPEAR1340_DMA_REQ_UART1_RX = 13,
+ SPEAR1340_DMA_REQ_I2C1_TX = 14,
+ SPEAR1340_DMA_REQ_I2C1_RX = 15,
+ SPEAR1340_DMA_REQ_CAM0_EVEN = 0,
+ SPEAR1340_DMA_REQ_CAM0_ODD = 1,
+ SPEAR1340_DMA_REQ_CAM1_EVEN = 2,
+ SPEAR1340_DMA_REQ_CAM1_ODD = 3,
+ SPEAR1340_DMA_REQ_CAM2_EVEN = 4,
+ SPEAR1340_DMA_REQ_CAM2_ODD = 5,
+ SPEAR1340_DMA_REQ_CAM3_EVEN = 6,
+ SPEAR1340_DMA_REQ_CAM3_ODD = 7,
+#endif
+};
+
+#endif /* __MACH_DMA_H */
diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c
new file mode 100644
index 00000000000..1b97e862347
--- /dev/null
+++ b/arch/arm/mach-spear/spear13xx.c
@@ -0,0 +1,184 @@
+/*
+ * arch/arm/mach-spear13xx/spear13xx.c
+ *
+ * SPEAr13XX machines common source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr13xx: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/clk.h>
+#include <linux/dw_dmac.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/map.h>
+#include <asm/smp_twd.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+#include "spear13xx-dma.h"
+
+/* common dw_dma filter routine to be used by peripherals */
+bool dw_dma_filter(struct dma_chan *chan, void *slave)
+{
+ struct dw_dma_slave *dws = (struct dw_dma_slave *)slave;
+
+ if (chan->device->dev == dws->dma_dev) {
+ chan->private = slave;
+ return true;
+ } else {
+ return false;
+ }
+}
+
+/* ssp device registration */
+static struct dw_dma_slave ssp_dma_param[] = {
+ {
+ /* Tx */
+ .cfg_hi = DWC_CFGH_DST_PER(DMA_REQ_SSP0_TX),
+ .cfg_lo = 0,
+ .src_master = DMA_MASTER_MEMORY,
+ .dst_master = DMA_MASTER_SSP0,
+ }, {
+ /* Rx */
+ .cfg_hi = DWC_CFGH_SRC_PER(DMA_REQ_SSP0_RX),
+ .cfg_lo = 0,
+ .src_master = DMA_MASTER_SSP0,
+ .dst_master = DMA_MASTER_MEMORY,
+ }
+};
+
+struct pl022_ssp_controller pl022_plat_data = {
+ .enable_dma = 1,
+ .dma_filter = dw_dma_filter,
+ .dma_rx_param = &ssp_dma_param[1],
+ .dma_tx_param = &ssp_dma_param[0],
+};
+
+/* CF device registration */
+struct dw_dma_slave cf_dma_priv = {
+ .cfg_hi = 0,
+ .cfg_lo = 0,
+ .src_master = 0,
+ .dst_master = 0,
+};
+
+/* dmac device registeration */
+struct dw_dma_platform_data dmac_plat_data = {
+ .nr_channels = 8,
+ .chan_allocation_order = CHAN_ALLOCATION_DESCENDING,
+ .chan_priority = CHAN_PRIORITY_DESCENDING,
+ .block_size = 4095U,
+ .nr_masters = 2,
+ .data_width = { 3, 3, 0, 0 },
+};
+
+void __init spear13xx_l2x0_init(void)
+{
+ /*
+ * 512KB (64KB/way), 8-way associativity, parity supported
+ *
+ * FIXME: 9th bit, of Auxillary Controller register must be set
+ * for some spear13xx devices for stable L2 operation.
+ *
+ * Enable Early BRESP, L2 prefetch for Instruction and Data,
+ * write alloc and 'Full line of zero' options
+ *
+ */
+
+ writel_relaxed(0x06, VA_L2CC_BASE + L2X0_PREFETCH_CTRL);
+
+ /*
+ * Program following latencies in order to make
+ * SPEAr1340 work at 600 MHz
+ */
+ writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL);
+ writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL);
+ l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff);
+}
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xB3000000 0xFE000000
+ * 0xE0000000 0xFD000000
+ * 0xEC000000 0xFC000000
+ * 0xED000000 0xFB000000
+ */
+struct map_desc spear13xx_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)VA_PERIP_GRP2_BASE,
+ .pfn = __phys_to_pfn(PERIP_GRP2_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_PERIP_GRP1_BASE,
+ .pfn = __phys_to_pfn(PERIP_GRP1_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_A9SM_AND_MPMC_BASE,
+ .pfn = __phys_to_pfn(A9SM_AND_MPMC_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_L2CC_BASE,
+ .pfn = __phys_to_pfn(L2CC_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE
+ },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear13xx_map_io(void)
+{
+ iotable_init(spear13xx_io_desc, ARRAY_SIZE(spear13xx_io_desc));
+}
+
+static void __init spear13xx_clk_init(void)
+{
+ if (of_machine_is_compatible("st,spear1310"))
+ spear1310_clk_init(VA_MISC_BASE, VA_SPEAR1310_RAS_BASE);
+ else if (of_machine_is_compatible("st,spear1340"))
+ spear1340_clk_init(VA_MISC_BASE);
+ else
+ pr_err("%s: Unknown machine\n", __func__);
+}
+
+void __init spear13xx_timer_init(void)
+{
+ char pclk_name[] = "osc_24m_clk";
+ struct clk *gpt_clk, *pclk;
+
+ spear13xx_clk_init();
+
+ /* get the system timer clock */
+ gpt_clk = clk_get_sys("gpt0", NULL);
+ if (IS_ERR(gpt_clk)) {
+ pr_err("%s:couldn't get clk for gpt\n", __func__);
+ BUG();
+ }
+
+ /* get the suitable parent clock for timer*/
+ pclk = clk_get(NULL, pclk_name);
+ if (IS_ERR(pclk)) {
+ pr_err("%s:couldn't get %s as parent for gpt\n", __func__,
+ pclk_name);
+ BUG();
+ }
+
+ clk_set_parent(gpt_clk, pclk);
+ clk_put(gpt_clk);
+ clk_put(pclk);
+
+ spear_setup_of_timer();
+ twd_local_timer_of_register();
+}
diff --git a/arch/arm/mach-spear/spear300.c b/arch/arm/mach-spear/spear300.c
new file mode 100644
index 00000000000..bac56e845f7
--- /dev/null
+++ b/arch/arm/mach-spear/spear300.c
@@ -0,0 +1,220 @@
+/*
+ * arch/arm/mach-spear3xx/spear300.c
+ *
+ * SPEAr300 machine source file
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr300: " fmt
+
+#include <linux/amba/pl08x.h>
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear300_dma_info[] = {
+ {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ },
+};
+
+/* Add SPEAr300 auxdata to pass platform data */
+static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
+ &pl022_plat_data),
+ OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
+ &pl080_plat_data),
+ {}
+};
+
+static void __init spear300_dt_init(void)
+{
+ pl080_plat_data.slave_channels = spear300_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear300_auxdata_lookup, NULL);
+}
+
+static const char * const spear300_dt_board_compat[] = {
+ "st,spear300",
+ "st,spear300-evb",
+ NULL,
+};
+
+static void __init spear300_map_io(void)
+{
+ spear3xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
+ .map_io = spear300_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear3xx_timer_init,
+ .init_machine = spear300_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear300_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/spear310.c b/arch/arm/mach-spear/spear310.c
new file mode 100644
index 00000000000..6ffbc63d516
--- /dev/null
+++ b/arch/arm/mach-spear/spear310.c
@@ -0,0 +1,262 @@
+/*
+ * arch/arm/mach-spear3xx/spear310.c
+ *
+ * SPEAr310 machine source file
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr310: " fmt
+
+#include <linux/amba/pl08x.h>
+#include <linux/amba/serial.h>
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+#define SPEAR310_UART1_BASE UL(0xB2000000)
+#define SPEAR310_UART2_BASE UL(0xB2080000)
+#define SPEAR310_UART3_BASE UL(0xB2100000)
+#define SPEAR310_UART4_BASE UL(0xB2180000)
+#define SPEAR310_UART5_BASE UL(0xB2200000)
+
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear310_dma_info[] = {
+ {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart3_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart3_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart4_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart4_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart5_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart5_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ },
+};
+
+/* uart devices plat data */
+static struct amba_pl011_data spear310_uart_data[] = {
+ {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart1_tx",
+ .dma_rx_param = "uart1_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart2_tx",
+ .dma_rx_param = "uart2_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart3_tx",
+ .dma_rx_param = "uart3_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart4_tx",
+ .dma_rx_param = "uart4_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart5_tx",
+ .dma_rx_param = "uart5_rx",
+ },
+};
+
+/* Add SPEAr310 auxdata to pass platform data */
+static struct of_dev_auxdata spear310_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
+ &pl022_plat_data),
+ OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
+ &pl080_plat_data),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART1_BASE, NULL,
+ &spear310_uart_data[0]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART2_BASE, NULL,
+ &spear310_uart_data[1]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART3_BASE, NULL,
+ &spear310_uart_data[2]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART4_BASE, NULL,
+ &spear310_uart_data[3]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR310_UART5_BASE, NULL,
+ &spear310_uart_data[4]),
+ {}
+};
+
+static void __init spear310_dt_init(void)
+{
+ pl080_plat_data.slave_channels = spear310_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear310_dma_info);
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear310_auxdata_lookup, NULL);
+}
+
+static const char * const spear310_dt_board_compat[] = {
+ "st,spear310",
+ "st,spear310-evb",
+ NULL,
+};
+
+static void __init spear310_map_io(void)
+{
+ spear3xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR310_DT, "ST SPEAr310 SoC with Flattened Device Tree")
+ .map_io = spear310_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear3xx_timer_init,
+ .init_machine = spear310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear310_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/spear320.c b/arch/arm/mach-spear/spear320.c
new file mode 100644
index 00000000000..6eb3eec65f9
--- /dev/null
+++ b/arch/arm/mach-spear/spear320.c
@@ -0,0 +1,277 @@
+/*
+ * arch/arm/mach-spear3xx/spear320.c
+ *
+ * SPEAr320 machine source file
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr320: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/amba/pl08x.h>
+#include <linux/amba/serial.h>
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include "generic.h"
+#include <mach/spear.h>
+
+#define SPEAR320_UART1_BASE UL(0xA3000000)
+#define SPEAR320_UART2_BASE UL(0xA4000000)
+#define SPEAR320_SSP0_BASE UL(0xA5000000)
+#define SPEAR320_SSP1_BASE UL(0xA6000000)
+
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear320_dma_info[] = {
+ {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c0_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c0_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "uart2_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c1_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2c2_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "i2s_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "rs485_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB2,
+ },
+};
+
+static struct pl022_ssp_controller spear320_ssp_data[] = {
+ {
+ .bus_id = 1,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp1_tx",
+ .dma_rx_param = "ssp1_rx",
+ .num_chipselect = 2,
+ }, {
+ .bus_id = 2,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp2_tx",
+ .dma_rx_param = "ssp2_rx",
+ .num_chipselect = 2,
+ }
+};
+
+static struct amba_pl011_data spear320_uart_data[] = {
+ {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart1_tx",
+ .dma_rx_param = "uart1_rx",
+ }, {
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "uart2_tx",
+ .dma_rx_param = "uart2_rx",
+ },
+};
+
+/* Add SPEAr310 auxdata to pass platform data */
+static struct of_dev_auxdata spear320_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
+ &pl022_plat_data),
+ OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
+ &pl080_plat_data),
+ OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP0_BASE, NULL,
+ &spear320_ssp_data[0]),
+ OF_DEV_AUXDATA("arm,pl022", SPEAR320_SSP1_BASE, NULL,
+ &spear320_ssp_data[1]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART1_BASE, NULL,
+ &spear320_uart_data[0]),
+ OF_DEV_AUXDATA("arm,pl011", SPEAR320_UART2_BASE, NULL,
+ &spear320_uart_data[1]),
+ {}
+};
+
+static void __init spear320_dt_init(void)
+{
+ pl080_plat_data.slave_channels = spear320_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear320_dma_info);
+
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear320_auxdata_lookup, NULL);
+}
+
+static const char * const spear320_dt_board_compat[] = {
+ "st,spear320",
+ "st,spear320-evb",
+ "st,spear320-hmi",
+ NULL,
+};
+
+struct map_desc spear320_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)VA_SPEAR320_SOC_CONFIG_BASE,
+ .pfn = __phys_to_pfn(SPEAR320_SOC_CONFIG_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+static void __init spear320_map_io(void)
+{
+ iotable_init(spear320_io_desc, ARRAY_SIZE(spear320_io_desc));
+ spear3xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR320_DT, "ST SPEAr320 SoC with Flattened Device Tree")
+ .map_io = spear320_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear3xx_timer_init,
+ .init_machine = spear320_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear320_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/spear3xx.c b/arch/arm/mach-spear/spear3xx.c
new file mode 100644
index 00000000000..0227c97797c
--- /dev/null
+++ b/arch/arm/mach-spear/spear3xx.c
@@ -0,0 +1,116 @@
+/*
+ * arch/arm/mach-spear3xx/spear3xx.c
+ *
+ * SPEAr3XX machines common source file
+ *
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) "SPEAr3xx: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/amba/pl080.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <asm/mach/map.h>
+#include "pl080.h"
+#include "generic.h"
+#include <mach/spear.h>
+#include <mach/misc_regs.h>
+
+/* ssp device registration */
+struct pl022_ssp_controller pl022_plat_data = {
+ .bus_id = 0,
+ .enable_dma = 1,
+ .dma_filter = pl08x_filter_id,
+ .dma_tx_param = "ssp0_tx",
+ .dma_rx_param = "ssp0_rx",
+ /*
+ * This is number of spi devices that can be connected to spi. There are
+ * two type of chipselects on which slave devices can work. One is chip
+ * select provided by spi masters other is controlled through external
+ * gpio's. We can't use chipselect provided from spi master (because as
+ * soon as FIFO becomes empty, CS is disabled and transfer ends). So
+ * this number now depends on number of gpios available for spi. each
+ * slave on each master requires a separate gpio pin.
+ */
+ .num_chipselect = 2,
+};
+
+/* dmac device registration */
+struct pl08x_platform_data pl080_plat_data = {
+ .memcpy_channel = {
+ .bus_id = "memcpy",
+ .cctl_memcpy =
+ (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
+ PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \
+ PL080_CONTROL_PROT_SYS),
+ },
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
+ .get_signal = pl080_get_signal,
+ .put_signal = pl080_put_signal,
+};
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xD0000000 0xFD000000
+ * 0xFC000000 0xFC000000
+ */
+struct map_desc spear3xx_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)VA_SPEAR_ICM1_2_BASE,
+ .pfn = __phys_to_pfn(SPEAR_ICM1_2_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_SPEAR_ICM3_SMI_CTRL_BASE,
+ .pfn = __phys_to_pfn(SPEAR_ICM3_SMI_CTRL_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear3xx_map_io(void)
+{
+ iotable_init(spear3xx_io_desc, ARRAY_SIZE(spear3xx_io_desc));
+}
+
+void __init spear3xx_timer_init(void)
+{
+ char pclk_name[] = "pll3_clk";
+ struct clk *gpt_clk, *pclk;
+
+ spear3xx_clk_init(MISC_BASE, VA_SPEAR320_SOC_CONFIG_BASE);
+
+ /* get the system timer clock */
+ gpt_clk = clk_get_sys("gpt0", NULL);
+ if (IS_ERR(gpt_clk)) {
+ pr_err("%s:couldn't get clk for gpt\n", __func__);
+ BUG();
+ }
+
+ /* get the suitable parent clock for timer*/
+ pclk = clk_get(NULL, pclk_name);
+ if (IS_ERR(pclk)) {
+ pr_err("%s:couldn't get %s as parent for gpt\n",
+ __func__, pclk_name);
+ BUG();
+ }
+
+ clk_set_parent(gpt_clk, pclk);
+ clk_put(gpt_clk);
+ clk_put(pclk);
+
+ spear_setup_of_timer();
+}
diff --git a/arch/arm/mach-spear/spear6xx.c b/arch/arm/mach-spear/spear6xx.c
new file mode 100644
index 00000000000..ec8eefbbdfa
--- /dev/null
+++ b/arch/arm/mach-spear/spear6xx.c
@@ -0,0 +1,431 @@
+/*
+ * arch/arm/mach-spear6xx/spear6xx.c
+ *
+ * SPEAr6XX machines common source file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ *
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/amba/pl08x.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/irqchip.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/amba/pl080.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include "pl080.h"
+#include "generic.h"
+#include <mach/spear.h>
+#include <mach/misc_regs.h>
+
+/* dmac device registration */
+static struct pl08x_channel_data spear600_dma_info[] = {
+ {
+ .bus_id = "ssp1_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp1_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart1_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp2_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp2_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ext0_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext0_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext1_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext1_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext2_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext2_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext3_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext3_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext4_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext4_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ }, {
+ .bus_id = "ext7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 2,
+ .periph_buses = PL08X_AHB2,
+ },
+};
+
+static struct pl08x_platform_data spear6xx_pl080_plat_data = {
+ .memcpy_channel = {
+ .bus_id = "memcpy",
+ .cctl_memcpy =
+ (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
+ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
+ PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \
+ PL080_CONTROL_PROT_SYS),
+ },
+ .lli_buses = PL08X_AHB1,
+ .mem_buses = PL08X_AHB1,
+ .get_signal = pl080_get_signal,
+ .put_signal = pl080_put_signal,
+ .slave_channels = spear600_dma_info,
+ .num_slave_channels = ARRAY_SIZE(spear600_dma_info),
+};
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xF0000000 0xF0000000
+ * 0xF1000000 0xF1000000
+ * 0xD0000000 0xFD000000
+ * 0xFC000000 0xFC000000
+ */
+struct map_desc spear6xx_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)VA_SPEAR6XX_ML_CPU_BASE,
+ .pfn = __phys_to_pfn(SPEAR_ICM3_ML1_2_BASE),
+ .length = 2 * SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_SPEAR_ICM1_2_BASE,
+ .pfn = __phys_to_pfn(SPEAR_ICM1_2_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = (unsigned long)VA_SPEAR_ICM3_SMI_CTRL_BASE,
+ .pfn = __phys_to_pfn(SPEAR_ICM3_SMI_CTRL_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+/* This will create static memory mapping for selected devices */
+void __init spear6xx_map_io(void)
+{
+ iotable_init(spear6xx_io_desc, ARRAY_SIZE(spear6xx_io_desc));
+}
+
+void __init spear6xx_timer_init(void)
+{
+ char pclk_name[] = "pll3_clk";
+ struct clk *gpt_clk, *pclk;
+
+ spear6xx_clk_init(MISC_BASE);
+
+ /* get the system timer clock */
+ gpt_clk = clk_get_sys("gpt0", NULL);
+ if (IS_ERR(gpt_clk)) {
+ pr_err("%s:couldn't get clk for gpt\n", __func__);
+ BUG();
+ }
+
+ /* get the suitable parent clock for timer*/
+ pclk = clk_get(NULL, pclk_name);
+ if (IS_ERR(pclk)) {
+ pr_err("%s:couldn't get %s as parent for gpt\n",
+ __func__, pclk_name);
+ BUG();
+ }
+
+ clk_set_parent(gpt_clk, pclk);
+ clk_put(gpt_clk);
+ clk_put(pclk);
+
+ spear_setup_of_timer();
+}
+
+/* Add auxdata to pass platform data */
+struct of_dev_auxdata spear6xx_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
+ &spear6xx_pl080_plat_data),
+ {}
+};
+
+static void __init spear600_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear6xx_auxdata_lookup, NULL);
+}
+
+static const char *spear600_dt_board_compat[] = {
+ "st,spear600",
+ NULL
+};
+
+DT_MACHINE_START(SPEAR600_DT, "ST SPEAr600 (Flattened Device Tree)")
+ .map_io = spear6xx_map_io,
+ .init_irq = irqchip_init,
+ .init_time = spear6xx_timer_init,
+ .init_machine = spear600_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear600_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
new file mode 100644
index 00000000000..d449673e40f
--- /dev/null
+++ b/arch/arm/mach-spear/time.c
@@ -0,0 +1,245 @@
+/*
+ * arch/arm/plat-spear/time.c
+ *
+ * Copyright (C) 2010 ST Microelectronics
+ * Shiraz Hashim<shiraz.hashim@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/clockchips.h>
+#include <linux/clocksource.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/time.h>
+#include <linux/irq.h>
+#include <asm/mach/time.h>
+#include "generic.h"
+
+/*
+ * We would use TIMER0 and TIMER1 as clockevent and clocksource.
+ * Timer0 and Timer1 both belong to same gpt block in cpu subbsystem. Further
+ * they share same functional clock. Any change in one's functional clock will
+ * also affect other timer.
+ */
+
+#define CLKEVT 0 /* gpt0, channel0 as clockevent */
+#define CLKSRC 1 /* gpt0, channel1 as clocksource */
+
+/* Register offsets, x is channel number */
+#define CR(x) ((x) * 0x80 + 0x80)
+#define IR(x) ((x) * 0x80 + 0x84)
+#define LOAD(x) ((x) * 0x80 + 0x88)
+#define COUNT(x) ((x) * 0x80 + 0x8C)
+
+/* Reg bit definitions */
+#define CTRL_INT_ENABLE 0x0100
+#define CTRL_ENABLE 0x0020
+#define CTRL_ONE_SHOT 0x0010
+
+#define CTRL_PRESCALER1 0x0
+#define CTRL_PRESCALER2 0x1
+#define CTRL_PRESCALER4 0x2
+#define CTRL_PRESCALER8 0x3
+#define CTRL_PRESCALER16 0x4
+#define CTRL_PRESCALER32 0x5
+#define CTRL_PRESCALER64 0x6
+#define CTRL_PRESCALER128 0x7
+#define CTRL_PRESCALER256 0x8
+
+#define INT_STATUS 0x1
+
+/*
+ * Minimum clocksource/clockevent timer range in seconds
+ */
+#define SPEAR_MIN_RANGE 4
+
+static __iomem void *gpt_base;
+static struct clk *gpt_clk;
+
+static void clockevent_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *clk_event_dev);
+static int clockevent_next_event(unsigned long evt,
+ struct clock_event_device *clk_event_dev);
+
+static void spear_clocksource_init(void)
+{
+ u32 tick_rate;
+ u16 val;
+
+ /* program the prescaler (/256)*/
+ writew(CTRL_PRESCALER256, gpt_base + CR(CLKSRC));
+
+ /* find out actual clock driving Timer */
+ tick_rate = clk_get_rate(gpt_clk);
+ tick_rate >>= CTRL_PRESCALER256;
+
+ writew(0xFFFF, gpt_base + LOAD(CLKSRC));
+
+ val = readw(gpt_base + CR(CLKSRC));
+ val &= ~CTRL_ONE_SHOT; /* autoreload mode */
+ val |= CTRL_ENABLE ;
+ writew(val, gpt_base + CR(CLKSRC));
+
+ /* register the clocksource */
+ clocksource_mmio_init(gpt_base + COUNT(CLKSRC), "tmr1", tick_rate,
+ 200, 16, clocksource_mmio_readw_up);
+}
+
+static struct clock_event_device clkevt = {
+ .name = "tmr0",
+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+ .set_mode = clockevent_set_mode,
+ .set_next_event = clockevent_next_event,
+ .shift = 0, /* to be computed */
+};
+
+static void clockevent_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *clk_event_dev)
+{
+ u32 period;
+ u16 val;
+
+ /* stop the timer */
+ val = readw(gpt_base + CR(CLKEVT));
+ val &= ~CTRL_ENABLE;
+ writew(val, gpt_base + CR(CLKEVT));
+
+ switch (mode) {
+ case CLOCK_EVT_MODE_PERIODIC:
+ period = clk_get_rate(gpt_clk) / HZ;
+ period >>= CTRL_PRESCALER16;
+ writew(period, gpt_base + LOAD(CLKEVT));
+
+ val = readw(gpt_base + CR(CLKEVT));
+ val &= ~CTRL_ONE_SHOT;
+ val |= CTRL_ENABLE | CTRL_INT_ENABLE;
+ writew(val, gpt_base + CR(CLKEVT));
+
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ val = readw(gpt_base + CR(CLKEVT));
+ val |= CTRL_ONE_SHOT;
+ writew(val, gpt_base + CR(CLKEVT));
+
+ break;
+ case CLOCK_EVT_MODE_UNUSED:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_RESUME:
+
+ break;
+ default:
+ pr_err("Invalid mode requested\n");
+ break;
+ }
+}
+
+static int clockevent_next_event(unsigned long cycles,
+ struct clock_event_device *clk_event_dev)
+{
+ u16 val = readw(gpt_base + CR(CLKEVT));
+
+ if (val & CTRL_ENABLE)
+ writew(val & ~CTRL_ENABLE, gpt_base + CR(CLKEVT));
+
+ writew(cycles, gpt_base + LOAD(CLKEVT));
+
+ val |= CTRL_ENABLE | CTRL_INT_ENABLE;
+ writew(val, gpt_base + CR(CLKEVT));
+
+ return 0;
+}
+
+static irqreturn_t spear_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = &clkevt;
+
+ writew(INT_STATUS, gpt_base + IR(CLKEVT));
+
+ evt->event_handler(evt);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction spear_timer_irq = {
+ .name = "timer",
+ .flags = IRQF_DISABLED | IRQF_TIMER,
+ .handler = spear_timer_interrupt
+};
+
+static void __init spear_clockevent_init(int irq)
+{
+ u32 tick_rate;
+
+ /* program the prescaler */
+ writew(CTRL_PRESCALER16, gpt_base + CR(CLKEVT));
+
+ tick_rate = clk_get_rate(gpt_clk);
+ tick_rate >>= CTRL_PRESCALER16;
+
+ clkevt.cpumask = cpumask_of(0);
+
+ clockevents_config_and_register(&clkevt, tick_rate, 3, 0xfff0);
+
+ setup_irq(irq, &spear_timer_irq);
+}
+
+const static struct of_device_id timer_of_match[] __initconst = {
+ { .compatible = "st,spear-timer", },
+ { },
+};
+
+void __init spear_setup_of_timer(void)
+{
+ struct device_node *np;
+ int irq, ret;
+
+ np = of_find_matching_node(NULL, timer_of_match);
+ if (!np) {
+ pr_err("%s: No timer passed via DT\n", __func__);
+ return;
+ }
+
+ irq = irq_of_parse_and_map(np, 0);
+ if (!irq) {
+ pr_err("%s: No irq passed for timer via DT\n", __func__);
+ return;
+ }
+
+ gpt_base = of_iomap(np, 0);
+ if (!gpt_base) {
+ pr_err("%s: of iomap failed\n", __func__);
+ return;
+ }
+
+ gpt_clk = clk_get_sys("gpt0", NULL);
+ if (!gpt_clk) {
+ pr_err("%s:couldn't get clk for gpt\n", __func__);
+ goto err_iomap;
+ }
+
+ ret = clk_prepare_enable(gpt_clk);
+ if (ret < 0) {
+ pr_err("%s:couldn't prepare-enable gpt clock\n", __func__);
+ goto err_prepare_enable_clk;
+ }
+
+ spear_clockevent_init(irq);
+ spear_clocksource_init();
+
+ return;
+
+err_prepare_enable_clk:
+ clk_put(gpt_clk);
+err_iomap:
+ iounmap(gpt_base);
+}