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authorAnton Arapov <anton@redhat.com>2012-08-07 11:21:50 +0200
committerAnton Arapov <anton@redhat.com>2012-08-07 12:52:25 +0200
commit1d44b6f3fcf6058fb7c960b7558766967e8028f7 (patch)
tree53d88547c973ba048d233091a3f91f3173ad01df /arch/arm/mach-spear13xx
parentd91eda5d7b0383e6a0c83e0146ff141ff3b1355b (diff)
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fedora kernel: 222b075b3ff0d9e88aa9353e3c80667756ed7361v3.5.0-4
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-spear13xx')
-rw-r--r--arch/arm/mach-spear13xx/Kconfig20
-rw-r--r--arch/arm/mach-spear13xx/Makefile10
-rw-r--r--arch/arm/mach-spear13xx/Makefile.boot6
-rw-r--r--arch/arm/mach-spear13xx/headsmp.S47
-rw-r--r--arch/arm/mach-spear13xx/hotplug.c119
-rw-r--r--arch/arm/mach-spear13xx/include/mach/debug-macro.S14
-rw-r--r--arch/arm/mach-spear13xx/include/mach/dma.h128
-rw-r--r--arch/arm/mach-spear13xx/include/mach/generic.h49
-rw-r--r--arch/arm/mach-spear13xx/include/mach/gpio.h19
-rw-r--r--arch/arm/mach-spear13xx/include/mach/hardware.h1
-rw-r--r--arch/arm/mach-spear13xx/include/mach/irqs.h20
-rw-r--r--arch/arm/mach-spear13xx/include/mach/spear.h62
-rw-r--r--arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h0
-rw-r--r--arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h0
-rw-r--r--arch/arm/mach-spear13xx/include/mach/timex.h19
-rw-r--r--arch/arm/mach-spear13xx/include/mach/uncompress.h19
-rw-r--r--arch/arm/mach-spear13xx/platsmp.c127
-rw-r--r--arch/arm/mach-spear13xx/spear1310.c88
-rw-r--r--arch/arm/mach-spear13xx/spear1340.c192
-rw-r--r--arch/arm/mach-spear13xx/spear13xx.c197
20 files changed, 1137 insertions, 0 deletions
diff --git a/arch/arm/mach-spear13xx/Kconfig b/arch/arm/mach-spear13xx/Kconfig
new file mode 100644
index 00000000000..eaadc66d96b
--- /dev/null
+++ b/arch/arm/mach-spear13xx/Kconfig
@@ -0,0 +1,20 @@
+#
+# SPEAr13XX Machine configuration file
+#
+
+if ARCH_SPEAR13XX
+
+menu "SPEAr13xx Implementations"
+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
+endmenu
+endif #ARCH_SPEAR13XX
diff --git a/arch/arm/mach-spear13xx/Makefile b/arch/arm/mach-spear13xx/Makefile
new file mode 100644
index 00000000000..3435ea78c15
--- /dev/null
+++ b/arch/arm/mach-spear13xx/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for SPEAr13XX machine series
+#
+
+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-$(CONFIG_MACH_SPEAR1340) += spear1340.o
diff --git a/arch/arm/mach-spear13xx/Makefile.boot b/arch/arm/mach-spear13xx/Makefile.boot
new file mode 100644
index 00000000000..403efd7e6d2
--- /dev/null
+++ b/arch/arm/mach-spear13xx/Makefile.boot
@@ -0,0 +1,6 @@
+zreladdr-y += 0x00008000
+params_phys-y := 0x00000100
+initrd_phys-y := 0x00800000
+
+dtb-$(CONFIG_MACH_SPEAR1310) += spear1310-evb.dtb
+dtb-$(CONFIG_MACH_SPEAR1340) += spear1340-evb.dtb
diff --git a/arch/arm/mach-spear13xx/headsmp.S b/arch/arm/mach-spear13xx/headsmp.S
new file mode 100644
index 00000000000..ed85473a047
--- /dev/null
+++ b/arch/arm/mach-spear13xx/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-spear13xx/hotplug.c b/arch/arm/mach-spear13xx/hotplug.c
new file mode 100644
index 00000000000..5c6867b46d0
--- /dev/null
+++ b/arch/arm/mach-spear13xx/hotplug.c
@@ -0,0 +1,119 @@
+/*
+ * 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>
+
+extern volatile int pen_release;
+
+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 platform_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)++;
+ }
+}
+
+int platform_cpu_kill(unsigned int cpu)
+{
+ return 1;
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void __cpuinit platform_cpu_die(unsigned int cpu)
+{
+ int spurious = 0;
+
+ /*
+ * we're ready for shutdown now, so do it
+ */
+ cpu_enter_lowpower();
+ platform_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);
+}
+
+int platform_cpu_disable(unsigned int cpu)
+{
+ /*
+ * we don't allow CPU 0 to be shutdown (it is still too special
+ * e.g. clock tick interrupts)
+ */
+ return cpu == 0 ? -EPERM : 0;
+}
diff --git a/arch/arm/mach-spear13xx/include/mach/debug-macro.S b/arch/arm/mach-spear13xx/include/mach/debug-macro.S
new file mode 100644
index 00000000000..9e3ae6bfe50
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/debug-macro.S
@@ -0,0 +1,14 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/debug-macro.S
+ *
+ * Debugging macro include header 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.
+ */
+
+#include <plat/debug-macro.S>
diff --git a/arch/arm/mach-spear13xx/include/mach/dma.h b/arch/arm/mach-spear13xx/include/mach/dma.h
new file mode 100644
index 00000000000..d50bdb60592
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/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-spear13xx/include/mach/generic.h b/arch/arm/mach-spear13xx/include/mach/generic.h
new file mode 100644
index 00000000000..dac57fd0cdf
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/generic.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/generic.h
+ *
+ * spear13xx machine family generic header 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.
+ */
+
+#ifndef __MACH_GENERIC_H
+#define __MACH_GENERIC_H
+
+#include <linux/dmaengine.h>
+#include <asm/mach/time.h>
+
+/* Add spear13xx structure declarations here */
+extern struct sys_timer spear13xx_timer;
+extern struct pl022_ssp_controller pl022_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;
+
+/* Add spear13xx family function declarations here */
+void __init spear_setup_of_timer(void);
+void __init spear13xx_map_io(void);
+void __init spear13xx_dt_init_irq(void);
+void __init spear13xx_l2x0_init(void);
+bool dw_dma_filter(struct dma_chan *chan, void *slave);
+void spear_restart(char, const char *);
+void spear13xx_secondary_startup(void);
+
+#ifdef CONFIG_MACH_SPEAR1310
+void __init spear1310_clk_init(void);
+#else
+static inline void spear1310_clk_init(void) {}
+#endif
+
+#ifdef CONFIG_MACH_SPEAR1340
+void __init spear1340_clk_init(void);
+#else
+static inline void spear1340_clk_init(void) {}
+#endif
+
+#endif /* __MACH_GENERIC_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/gpio.h b/arch/arm/mach-spear13xx/include/mach/gpio.h
new file mode 100644
index 00000000000..85f176311f6
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/gpio.h
@@ -0,0 +1,19 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/gpio.h
+ *
+ * GPIO macros 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_GPIO_H
+#define __MACH_GPIO_H
+
+#include <plat/gpio.h>
+
+#endif /* __MACH_GPIO_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/hardware.h b/arch/arm/mach-spear13xx/include/mach/hardware.h
new file mode 100644
index 00000000000..40a8c178f10
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/hardware.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-spear13xx/include/mach/irqs.h b/arch/arm/mach-spear13xx/include/mach/irqs.h
new file mode 100644
index 00000000000..271a62b4cd3
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/irqs.h
@@ -0,0 +1,20 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/irqs.h
+ *
+ * IRQ helper macros 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_IRQS_H
+#define __MACH_IRQS_H
+
+#define IRQ_GIC_END 160
+#define NR_IRQS IRQ_GIC_END
+
+#endif /* __MACH_IRQS_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/spear.h b/arch/arm/mach-spear13xx/include/mach/spear.h
new file mode 100644
index 00000000000..65f27def239
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/spear.h
@@ -0,0 +1,62 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/spear.h
+ *
+ * spear13xx Machine family specific definition
+ *
+ * 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_SPEAR13XX_H
+#define __MACH_SPEAR13XX_H
+
+#include <asm/memory.h>
+
+#define PERIP_GRP2_BASE UL(0xB3000000)
+#define VA_PERIP_GRP2_BASE UL(0xFE000000)
+#define MCIF_SDHCI_BASE UL(0xB3000000)
+#define SYSRAM0_BASE UL(0xB3800000)
+#define VA_SYSRAM0_BASE UL(0xFE800000)
+#define SYS_LOCATION (VA_SYSRAM0_BASE + 0x600)
+
+#define PERIP_GRP1_BASE UL(0xE0000000)
+#define VA_PERIP_GRP1_BASE UL(0xFD000000)
+#define UART_BASE UL(0xE0000000)
+#define VA_UART_BASE UL(0xFD000000)
+#define SSP_BASE UL(0xE0100000)
+#define MISC_BASE UL(0xE0700000)
+#define VA_MISC_BASE IOMEM(UL(0xFD700000))
+
+#define A9SM_AND_MPMC_BASE UL(0xEC000000)
+#define VA_A9SM_AND_MPMC_BASE UL(0xFC000000)
+
+/* A9SM peripheral offsets */
+#define A9SM_PERIP_BASE UL(0xEC800000)
+#define VA_A9SM_PERIP_BASE UL(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)
+
+/* Devices present in SPEAr1310 */
+#ifdef CONFIG_MACH_SPEAR1310
+#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
+#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
+#define SPEAR1310_RAS_BASE UL(0xD8400000)
+#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000))
+#endif /* CONFIG_MACH_SPEAR1310 */
+
+/* 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 /* __MACH_SPEAR13XX_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h b/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/spear1310_misc_regs.h
diff --git a/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h b/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h
new file mode 100644
index 00000000000..e69de29bb2d
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/spear1340_misc_regs.h
diff --git a/arch/arm/mach-spear13xx/include/mach/timex.h b/arch/arm/mach-spear13xx/include/mach/timex.h
new file mode 100644
index 00000000000..3a58b8284a6
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/timex.h
@@ -0,0 +1,19 @@
+/*
+ * arch/arm/mach-spear3xx/include/mach/timex.h
+ *
+ * SPEAr3XX machine family specific timex definitions
+ *
+ * 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_TIMEX_H
+#define __MACH_TIMEX_H
+
+#include <plat/timex.h>
+
+#endif /* __MACH_TIMEX_H */
diff --git a/arch/arm/mach-spear13xx/include/mach/uncompress.h b/arch/arm/mach-spear13xx/include/mach/uncompress.h
new file mode 100644
index 00000000000..70fe72f05de
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/uncompress.h
@@ -0,0 +1,19 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/uncompress.h
+ *
+ * Serial port stubs for kernel decompress status messages
+ *
+ * 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_UNCOMPRESS_H
+#define __MACH_UNCOMPRESS_H
+
+#include <plat/uncompress.h>
+
+#endif /* __MACH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-spear13xx/platsmp.c b/arch/arm/mach-spear13xx/platsmp.c
new file mode 100644
index 00000000000..f5d07f2663d
--- /dev/null
+++ b/arch/arm/mach-spear13xx/platsmp.c
@@ -0,0 +1,127 @@
+/*
+ * 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 <asm/cacheflush.h>
+#include <asm/hardware/gic.h>
+#include <asm/smp_scu.h>
+#include <mach/spear.h>
+
+/*
+ * control for which core is the next to come out of the secondary
+ * boot "holding pen"
+ */
+volatile int __cpuinitdata pen_release = -1;
+static DEFINE_SPINLOCK(boot_lock);
+
+static void __iomem *scu_base = IOMEM(VA_SCU_BASE);
+extern void spear13xx_secondary_startup(void);
+
+void __cpuinit platform_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);
+}
+
+int __cpuinit 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.
+ */
+void __init 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);
+
+ set_smp_cross_call(gic_raise_softirq);
+}
+
+void __init platform_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);
+}
diff --git a/arch/arm/mach-spear13xx/spear1310.c b/arch/arm/mach-spear13xx/spear1310.c
new file mode 100644
index 00000000000..732d29bc733
--- /dev/null
+++ b/arch/arm/mach-spear13xx/spear1310.c
@@ -0,0 +1,88 @@
+/*
+ * 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/of_platform.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/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)
+
+/* ssp device registration */
+static struct pl022_ssp_controller ssp1_plat_data = {
+ .bus_id = 0,
+ .enable_dma = 0,
+ .num_chipselect = 3,
+};
+
+/* 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_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("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")
+ .map_io = spear1310_map_io,
+ .init_irq = spear13xx_dt_init_irq,
+ .handle_irq = gic_handle_irq,
+ .timer = &spear13xx_timer,
+ .init_machine = spear1310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1310_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear13xx/spear1340.c b/arch/arm/mach-spear13xx/spear1340.c
new file mode 100644
index 00000000000..81e4ed76ad0
--- /dev/null
+++ b/arch/arm/mach-spear13xx/spear1340.c
@@ -0,0 +1,192 @@
+/*
+ * 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 <asm/hardware/gic.h>
+#include <asm/mach/arch.h>
+#include <mach/dma.h>
+#include <mach/generic.h>
+#include <mach/spear.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")
+ .map_io = spear13xx_map_io,
+ .init_irq = spear13xx_dt_init_irq,
+ .handle_irq = gic_handle_irq,
+ .timer = &spear13xx_timer,
+ .init_machine = spear1340_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1340_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
new file mode 100644
index 00000000000..cf936b106e2
--- /dev/null
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -0,0 +1,197 @@
+/*
+ * 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_irq.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/map.h>
+#include <asm/smp_twd.h>
+#include <mach/dma.h>
+#include <mach/generic.h>
+#include <mach/spear.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 = {
+ .bus_id = 0,
+ .enable_dma = 1,
+ .dma_filter = dw_dma_filter,
+ .dma_rx_param = &ssp_dma_param[1],
+ .dma_tx_param = &ssp_dma_param[0],
+ .num_chipselect = 3,
+};
+
+/* 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,
+};
+
+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 = VA_PERIP_GRP2_BASE,
+ .pfn = __phys_to_pfn(PERIP_GRP2_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VA_PERIP_GRP1_BASE,
+ .pfn = __phys_to_pfn(PERIP_GRP1_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ }, {
+ .virtual = 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();
+ else if (of_machine_is_compatible("st,spear1340"))
+ spear1340_clk_init();
+ else
+ pr_err("%s: Unknown machine\n", __func__);
+}
+
+static 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();
+}
+
+struct sys_timer spear13xx_timer = {
+ .init = spear13xx_timer_init,
+};
+
+static const struct of_device_id gic_of_match[] __initconst = {
+ { .compatible = "arm,cortex-a9-gic", .data = gic_of_init },
+ { /* Sentinel */ }
+};
+
+void __init spear13xx_dt_init_irq(void)
+{
+ of_irq_init(gic_of_match);
+}