[U-Boot] [PATCH 15/17] SPEAr : Basic spear1300 architecture support added
Vipin KUMAR
vipin.kumar at st.com
Wed Apr 21 09:54:41 CEST 2010
Signed-off-by: Vipin Kumar <vipin.kumar at st.com>
---
cpu/arm_cortexa8/spear13xx/Makefile | 52 +++++
cpu/arm_cortexa8/spear13xx/cache.S | 112 ++++++++++
cpu/arm_cortexa8/spear13xx/cpu_info.c | 105 +++++++++
cpu/arm_cortexa8/spear13xx/reset.c | 47 ++++
cpu/arm_cortexa8/spear13xx/timer.c | 136 ++++++++++++
include/asm-arm/arch-spear13xx/hardware.h | 40 ++++
include/asm-arm/arch-spear13xx/spr_gpt.h | 85 ++++++++
include/asm-arm/arch-spear13xx/spr_misc.h | 317 ++++++++++++++++++++++++++++
include/asm-arm/arch-spear13xx/sys_proto.h | 32 +++
9 files changed, 926 insertions(+), 0 deletions(-)
create mode 100644 cpu/arm_cortexa8/spear13xx/Makefile
create mode 100644 cpu/arm_cortexa8/spear13xx/cache.S
create mode 100644 cpu/arm_cortexa8/spear13xx/cpu_info.c
create mode 100755 cpu/arm_cortexa8/spear13xx/reset.c
create mode 100644 cpu/arm_cortexa8/spear13xx/timer.c
create mode 100644 include/asm-arm/arch-spear13xx/hardware.h
create mode 100755 include/asm-arm/arch-spear13xx/spr_gpt.h
create mode 100755 include/asm-arm/arch-spear13xx/spr_misc.h
create mode 100644 include/asm-arm/arch-spear13xx/sys_proto.h
diff --git a/cpu/arm_cortexa8/spear13xx/Makefile b/cpu/arm_cortexa8/spear13xx/Makefile
new file mode 100644
index 0000000..dba430a
--- /dev/null
+++ b/cpu/arm_cortexa8/spear13xx/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+COBJS = timer.o \
+ reset.o \
+ cpu_info.o
+
+SOBJS = cache.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/arm_cortexa8/spear13xx/cache.S b/cpu/arm_cortexa8/spear13xx/cache.S
new file mode 100644
index 0000000..b3d1fb0
--- /dev/null
+++ b/cpu/arm_cortexa8/spear13xx/cache.S
@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+.global invalidate_dcache
+
+/*
+ * invalidate_dcache()
+ *
+ * Invalidate the whole D-cache.
+ *
+ * Corrupted registers: r0-r5, r7, r9-r11
+ *
+ * - mm - mm_struct describing address space
+ */
+invalidate_dcache:
+ stmfd r13!, {r0 - r5, r7, r9 - r12, r14}
+
+ mrc p15, 1, r0, c0, c0, 1 @ read clidr
+ ands r3, r0, #0x7000000 @ extract loc from clidr
+ mov r3, r3, lsr #23 @ left align loc bit field
+ beq finished_inval @ if loc is 0, then no need to
+ @ clean
+ mov r10, #0 @ start clean at cache level 0
+inval_loop1:
+ add r2, r10, r10, lsr #1 @ work out 3x current cache
+ @ level
+ mov r1, r0, lsr r2 @ extract cache type bits from
+ @ clidr
+ and r1, r1, #7 @ mask of the bits for current
+ @ cache only
+ cmp r1, #2 @ see what cache we have at
+ @ this level
+ blt skip_inval @ skip if no cache, or just
+ @ i-cache
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mov r2, #0 @ operand for mcr SBZ
+ mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to
+ @ sych the new cssr&csidr,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+ mrc p15, 1, r1, c0, c0, 0 @ read the new csidr
+ and r2, r1, #7 @ extract the length of the
+ @ cache lines
+ add r2, r2, #4 @ add 4 (line length offset)
+ ldr r4, =0x3ff
+ ands r4, r4, r1, lsr #3 @ find maximum number on the
+ @ way size
+ clz r5, r4 @ find bit position of way
+ @ size increment
+ ldr r7, =0x7fff
+ ands r7, r7, r1, lsr #13 @ extract max number of the
+ @ index size
+inval_loop2:
+ mov r9, r4 @ create working copy of max
+ @ way size
+inval_loop3:
+ orr r11, r10, r9, lsl r5 @ factor way and cache number
+ @ into r11
+ orr r11, r11, r7, lsl r2 @ factor index number into r11
+ mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way
+ subs r9, r9, #1 @ decrement the way
+ bge inval_loop3
+ subs r7, r7, #1 @ decrement the index
+ bge inval_loop2
+skip_inval:
+ add r10, r10, #2 @ increment cache number
+ cmp r3, r10
+ bgt inval_loop1
+finished_inval:
+ mov r10, #0 @ swith back to cache level 0
+ mcr p15, 2, r10, c0, c0, 0 @ select current cache level
+ @ in cssr
+ mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer,
+ @ with armv7 this is 'isb',
+ @ but we compile with armv5
+
+ ldmfd r13!, {r0 - r5, r7, r9 - r12, pc}
+
+.global l2_cache_enable
+/*
+ * l2_cache_enable
+ */
+l2_cache_enable:
+ bx r14
+
+.global l2_cache_disable
+/*
+ * l2_cache_disable
+ */
+l2_cache_disable:
+ bx r14
diff --git a/cpu/arm_cortexa8/spear13xx/cpu_info.c b/cpu/arm_cortexa8/spear13xx/cpu_info.c
new file mode 100644
index 0000000..e59c221
--- /dev/null
+++ b/cpu/arm_cortexa8/spear13xx/cpu_info.c
@@ -0,0 +1,105 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+
+u32 get_device_type(void)
+{
+ return 0;
+}
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+ struct misc_regs *const misc_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 perip1_clk_enb, perip2_clk_enb;
+#if defined(CONFIG_NAND_FSMC)
+ u32 fsmc_cfg;
+#endif
+ perip1_clk_enb = readl(&misc_p->perip1_clk_enb);
+ perip2_clk_enb = readl(&misc_p->perip2_clk_enb);
+
+ perip1_clk_enb |= GPT1_CLKEN;
+
+#if defined(CONFIG_PL011_SERIAL)
+ perip1_clk_enb |= UART_CLKEN;
+#endif
+
+#if defined(CONFIG_DW_ETH)
+ /* writel(SYNT_CLK_ENB | SYNT_FIN_FULL | SYNT_X_1 | SYNT_Y_5,
+ &misc_p->gmac_clk_synt); */
+ writel(PHY_IF_GMII | CLK_SEL_OSCI3, &misc_p->gmac_clk_cfg);
+
+ perip1_clk_enb |= GETH_CLKEN;
+#endif
+
+#if defined(CONFIG_DW_UDC)
+ perip1_clk_enb |= UDC_UPD_CLKEN;
+#endif
+
+#if defined(CONFIG_DW_I2C)
+ perip1_clk_enb |= I2C_CLKEN;
+#endif
+
+#if defined(CONFIG_ST_SMI)
+ perip1_clk_enb |= SMI_CLKEN;
+#endif
+
+#if defined(CONFIG_NAND_FSMC)
+ fsmc_cfg = readl(&misc_p->fsmc_cfg);
+ fsmc_cfg &= ~DEV_SEL_MSK;
+ fsmc_cfg |= DEV_SEL_NAND;
+#if defined(CONFIG_BOARD_NAND_16BIT)
+ fsmc_cfg |= DEV_WIDTH_16;
+#elif defined(CONFIG_BOARD_NAND_8BIT)
+ fsmc_cfg |= DEV_WIDTH_8;
+#endif
+ writel(fsmc_cfg, &misc_p->fsmc_cfg);
+
+ perip1_clk_enb |= FSMC_CLKEN;
+#endif
+
+ writel(perip1_clk_enb, &misc_p->perip1_clk_enb);
+ writel(perip2_clk_enb, &misc_p->perip2_clk_enb);
+
+#if defined(CONFIG_DW_ETH)
+ writel(readl(&misc_p->perip1_sw_rst) | GETH_CLKEN,
+ &misc_p->perip1_sw_rst);
+ writel(readl(&misc_p->perip1_sw_rst) & ~GETH_CLKEN,
+ &misc_p->perip1_sw_rst);
+#endif
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+ printf("CPU: SPEAr1300\n");
+ return 0;
+}
+#endif
diff --git a/cpu/arm_cortexa8/spear13xx/reset.c b/cpu/arm_cortexa8/spear13xx/reset.c
new file mode 100755
index 0000000..9a43f85
--- /dev/null
+++ b/cpu/arm_cortexa8/spear13xx/reset.c
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+
+void reset_cpu(ulong ignored)
+{
+ struct misc_regs *misc_regs_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+ printf("System is going to reboot ...\n");
+
+ /*
+ * This 1 second delay will allow the above message
+ * to be printed before reset
+ */
+ udelay((1000 * 1000));
+
+ writel(0x01, &misc_regs_p->sys_sw_res);
+
+ /* system will restart */
+ while (1)
+ ;
+}
diff --git a/cpu/arm_cortexa8/spear13xx/timer.c b/cpu/arm_cortexa8/spear13xx/timer.c
new file mode 100644
index 0000000..d114a4a
--- /dev/null
+++ b/cpu/arm_cortexa8/spear13xx/timer.c
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_gpt.h>
+#include <asm/arch/spr_misc.h>
+
+#define GPT_TICKS (CONFIG_SPEAR_HZ_CLOCK / (1 << prescaler))
+#define GPT_RESOLUTION (GPT_TICKS / CONFIG_SPEAR_HZ)
+#define READ_TIMER() (readl(&gpt_regs_p->count) & GPT_FREE_RUNNING)
+
+static struct gpt_regs *const gpt_regs_p =
+ (struct gpt_regs *)CONFIG_SPEAR_TIMERBASE;
+
+static ulong timestamp;
+static ulong lastdec;
+static const u32 prescaler = GPT_PRESCALER_16;
+
+int timer_init(void)
+{
+ /* disable timers */
+ writel(prescaler | GPT_MODE_AUTO_RELOAD, &gpt_regs_p->control);
+
+ /* load value for free running */
+ writel(GPT_FREE_RUNNING, &gpt_regs_p->compare);
+
+ /* auto reload, start timer */
+ writel(readl(&gpt_regs_p->control) | GPT_ENABLE, &gpt_regs_p->control);
+
+ reset_timer_masked();
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+ return (get_timer_masked() / GPT_RESOLUTION) - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+void __udelay(unsigned long usec)
+{
+ ulong tmo;
+ ulong start = get_timer_masked();
+ ulong tenudelcnt = GPT_TICKS / (1000 * 100);
+ ulong rndoff;
+
+ rndoff = (usec % 10) ? 1 : 0;
+
+ /* tenudelcnt timer tick gives 10 microsecconds delay */
+ tmo = ((usec / 10) + rndoff) * tenudelcnt;
+
+ while ((ulong) (get_timer_masked() - start) < tmo)
+ ;
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time */
+ lastdec = READ_TIMER();
+ timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now = READ_TIMER();
+
+ if (now >= lastdec) {
+ /* normal mode */
+ timestamp += now - lastdec;
+ } else {
+ /* we have an overflow ... */
+ timestamp += now + GPT_FREE_RUNNING - lastdec;
+ }
+ lastdec = now;
+
+ return timestamp;
+}
+
+void udelay_masked(unsigned long usec)
+{
+ return udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CONFIG_SPEAR_HZ;
+}
diff --git a/include/asm-arm/arch-spear13xx/hardware.h b/include/asm-arm/arch-spear13xx/hardware.h
new file mode 100644
index 0000000..384260a
--- /dev/null
+++ b/include/asm-arm/arch-spear13xx/hardware.h
@@ -0,0 +1,40 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar at st.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+#define CONFIG_SYS_USBD_BASE (0xE1100000)
+#define CONFIG_SYS_PLUG_BASE (0xE1200000)
+#define CONFIG_SYS_FIFO_BASE (0xE1000800)
+#define CONFIG_SYS_SMI_BASE (0xFC000000)
+#define CONFIG_SPEAR_TIMERBASE (0xE0380000)
+#define CONFIG_SPEAR_MISCBASE (0xE0700000)
+#define CONFIG_SYS_I2C_BASE (0xE0280000)
+#define CONFIG_SPEAR_ETHBASE (0xE2000000)
+#define CONFIG_SYS_FSMC_BASE (0xB0000000)
+
+#define CONFIG_SYS_NAND_CLE (1 << 16)
+#define CONFIG_SYS_NAND_ALE (1 << 17)
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-spear13xx/spr_gpt.h b/include/asm-arm/arch-spear13xx/spr_gpt.h
new file mode 100755
index 0000000..ad464cb
--- /dev/null
+++ b/include/asm-arm/arch-spear13xx/spr_gpt.h
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SPR_GPT_H
+#define _SPR_GPT_H
+
+struct gpt_regs {
+ u8 reserved[0x80];
+ u32 control;
+ u32 status;
+ u32 compare;
+ u32 count;
+ u32 capture_re;
+ u32 capture_fe;
+};
+
+/*
+ * TIMER_CONTROL register settings
+ */
+
+#define GPT_PRESCALER_MASK 0x000F
+#define GPT_PRESCALER_1 0x0000
+#define GPT_PRESCALER_2 0x0001
+#define GPT_PRESCALER_4 0x0002
+#define GPT_PRESCALER_8 0x0003
+#define GPT_PRESCALER_16 0x0004
+#define GPT_PRESCALER_32 0x0005
+#define GPT_PRESCALER_64 0x0006
+#define GPT_PRESCALER_128 0x0007
+#define GPT_PRESCALER_256 0x0008
+
+#define GPT_MODE_SINGLE_SHOT 0x0010
+#define GPT_MODE_AUTO_RELOAD 0x0000
+
+#define GPT_ENABLE 0x0020
+
+#define GPT_CAPT_MODE_MASK 0x00C0
+#define GPT_CAPT_MODE_NONE 0x0000
+#define GPT_CAPT_MODE_RE 0x0040
+#define GPT_CAPT_MODE_FE 0x0080
+#define GPT_CAPT_MODE_BOTH 0x00C0
+
+#define GPT_INT_MATCH 0x0100
+#define GPT_INT_FE 0x0200
+#define GPT_INT_RE 0x0400
+
+/*
+ * TIMER_STATUS register settings
+ */
+
+#define GPT_STS_MATCH 0x0001
+#define GPT_STS_FE 0x0002
+#define GPT_STS_RE 0x0004
+
+/*
+ * TIMER_COMPARE register settings
+ */
+
+#define GPT_FREE_RUNNING 0xFFFF
+
+/* Timer, HZ specific defines */
+#define CONFIG_SPEAR_HZ (1000)
+#define CONFIG_SPEAR_HZ_CLOCK (24000000)
+
+#endif
diff --git a/include/asm-arm/arch-spear13xx/spr_misc.h b/include/asm-arm/arch-spear13xx/spr_misc.h
new file mode 100755
index 0000000..0b24843
--- /dev/null
+++ b/include/asm-arm/arch-spear13xx/spr_misc.h
@@ -0,0 +1,317 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar at st.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __SPR13XX_MISC_H
+#define __SPR13XX_MISC_H
+
+struct misc_regs {
+ u32 soc_cfg; /* 0x000 */
+ u32 bootstrap_cfg; /* 0x004 */
+ u8 reserved_1[0x100 - 0x8];
+ u32 pcm_cfg; /* 0x100 */
+ u32 pcm_wkup_cfg; /* 0x104 */
+ u32 switch_ctr; /* 0x108 */
+ u8 reserved_2[0x200 - 0x10c];
+ u32 sys_clk_ctrl; /* 0x200 */
+ u32 sys_sw_res; /* 0x204 */
+ u32 sys_clk_plltimer; /* 0x208 */
+ u32 sys_clk_oscitimer; /* 0x20c */
+ u32 pll_cfg; /* 0x210 */
+ u32 pll1_ctr; /* 0x214 */
+ u32 pll1_frq; /* 0x218 */
+ u32 pll1_mod; /* 0x21c */
+ u32 pll2_ctr; /* 0x220 */
+ u32 pll2_frq; /* 0x224 */
+ u32 pll2_mod; /* 0x228 */
+ u32 pll3_ctr; /* 0x22c */
+ u32 pll3_frq; /* 0x230 */
+ u32 pll3_mod; /* 0x234 */
+ u32 pll4_ctr; /* 0x238 */
+ u32 pll4_frq; /* 0x23C */
+ u32 pll4_mod; /* 0x240 */
+ u32 perip_clk_cfg; /* 0x244 */
+ u32 gmac_clk_cfg; /* 0x248 */
+ u32 c3_clk_synt; /* 0x24c */
+ u32 clcd_clk_synt; /* 0x250 */
+ u32 uart_clk_synt; /* 0x254 */
+ u32 gmac_clk_synt; /* 0x258 */
+ u32 mcif_sd_clk_synt; /* 0x25c */
+ u32 mcif_cfxd_clk_synt; /* 0x260 */
+ u32 ras_clk_synt0; /* 0x264 */
+ u32 ras_clk_synt1; /* 0x268 */
+ u32 ras_clk_synt2; /* 0x26c */
+ u32 ras_clk_synt3; /* 0x270 */
+ u32 perip1_clk_enb; /* 0x274 */
+ u32 perip2_clk_enb; /* 0x278 */
+ u32 perip1_sw_rst; /* 0x27c */
+ u32 perip2_sw_rst; /* 0x280 */
+ u32 ras_clk_enb; /* 0x284 */
+ u32 ras_sw_rst; /* 0x288 */
+ u32 pll1_synt; /* 0x28c */
+ u32 i2s_clk_cfg; /* 0x290 */
+ u8 reserved_3[0x300 - 0x294];
+ u32 dmac_hs_sel; /* 0x300 */
+ u32 dmac_sel; /* 0x304 */
+ u32 dmac_flow_sel; /* 0x308 */
+ u32 dmac_dir_sel; /* 0x30c */
+ u32 dmac_cfg; /* 0x310 */
+ u32 usbphy_gen_cfg; /* 0x314 */
+ u32 usbphy_p1_cfg; /* 0x318 */
+ u32 usbphy_p2_cfg; /* 0x31c */
+ u32 usbphy_p3_cfg; /* 0x320 */
+ u32 pcie_cfg; /* 0x324 */
+ u32 pcie_miphy_cfg; /* 0x328 */
+ u32 perip_cfg; /* 0x32c */
+ u32 fsmc_cfg; /* 0x330 */
+ u32 mpmc_ctr_sts; /* 0x334 */
+ u8 reserved_4[0x400 - 0x338];
+ u32 expi_clk_cfg; /* 0x400 */
+ u32 expi_cfg; /* 0x404 */
+ u32 expi_dmachs_flex; /* 0x408 */
+ u8 reserved_5[0x500 - 0x40C];
+ u32 prc1_lock_ctr; /* 0x500 */
+ u32 prc2_lock_ctr; /* 0x504 */
+ u32 prc1_irq_ctr; /* 0x508 */
+ u8 reserved_6[0x51c - 0x50c];
+ u32 prc2_irq_ctr; /* 0x51c */
+ u8 reserved_7[0x600 - 0x520];
+ u32 pad_pu_cfg_1; /* 0x600 */
+ u32 pad_pu_cfg_2; /* 0x604 */
+ u32 pad_pu_cfg_3; /* 0x608 */
+ u32 pad_pu_cfg_4; /* 0x60c */
+ u32 pad_pu_cfg_5; /* 0x610 */
+ u32 pad_pu_cfg_6; /* 0x614 */
+ u32 pad_pu_cfg_7; /* 0x618 */
+ u32 pad_pu_cfg_8; /* 0x61c */
+ u32 pad_pd_cfg_1; /* 0x620 */
+ u32 pad_pd_cfg_2; /* 0x624 */
+ u32 pad_pd_cfg_3; /* 0x628 */
+ u32 pad_pd_cfg_4; /* 0x62c */
+ u32 pad_pd_cfg_5; /* 0x630 */
+ u32 pad_pd_cfg_6; /* 0x634 */
+ u32 pad_pd_cfg_7; /* 0x638 */
+ u32 pad_pd_cfg_8; /* 0x63c */
+ u32 pad_sleep_cfg; /* 0x640 */
+ u32 pad_hyst_cfg; /* 0x644 */
+ u32 pad_drv_cfg; /* 0x648 */
+ u32 pad_slew_cfg; /* 0x64c */
+ u32 pad_function_en_1; /* 0x650 */
+ u32 pad_function_en_2; /* 0x654 */
+ u32 pad_function_en_3; /* 0x658 */
+ u32 ddr_pad_cfg; /* 0x65c */
+ u8 reserved_8[0x6C4 - 0x660];
+ u32 thsens_cfg; /* 0x6C4 */
+ u8 reserved_9[0x700 - 0x6C8];
+ u32 comp_1_cfg; /* 0x700 */
+ u32 comp_2_cfg; /* 0x704 */
+ u32 comp3v3_1_cfg; /* 0x708 */
+ u32 comp3v3_2_cfg; /* 0x70c */
+ u32 compddr_cfg; /* 0x710 */
+ u8 reserved_10[0x800 - 0x714];
+ u32 otp_prog_ctr; /* 0x800 */
+ u32 otp_wdata1_1; /* 0x804 */
+ u32 otp_wdata1_2; /* 0x808 */
+ u32 otp_wdata1_3; /* 0x80c */
+ u32 otp_wdata1_4; /* 0x810 */
+ u32 otp_wdata1_5; /* 0x814 */
+ u32 otp_wdata1_6; /* 0x818 */
+ u32 otp_wdata1_7; /* 0x81c */
+ u32 otp_wdata1_8; /* 0x820 */
+ u32 otp_wdata2_1; /* 0x824 */
+ u32 otp_wdata2_2; /* 0x828 */
+ u32 otp_wdata2_3; /* 0x82c */
+ u32 otp_wdata2_4; /* 0x830 */
+ u32 otp_wdata2_5; /* 0x834 */
+ u32 otp_wdata2_6; /* 0x838 */
+ u32 otp_wdata2_7; /* 0x83c */
+ u32 otp_wdata2_8; /* 0x840 */
+ u32 otp_mask_1; /* 0x844 */
+ u32 otp_mask_2; /* 0x848 */
+ u32 otp_mask_3; /* 0x84c */
+ u32 otp_mask_4; /* 0x850 */
+ u32 otp_mask_5; /* 0x854 */
+ u32 otp_mask_6; /* 0x858 */
+ u32 otp_mask_7; /* 0x85c */
+ u32 otp_mask_8; /* 0x860 */
+ u32 otp_rdata1_1; /* 0x864 */
+ u32 otp_rdata1_2; /* 0x868 */
+ u32 otp_rdata1_3; /* 0x86c */
+ u32 otp_rdata1_4; /* 0x870 */
+ u32 otp_rdata1_5; /* 0x874 */
+ u32 otp_rdata1_6; /* 0x878 */
+ u32 otp_rdata1_7; /* 0x87c */
+ u32 otp_rdata1_8; /* 0x880 */
+ u32 otp_rdata2_1; /* 0x884 */
+ u32 otp_rdata2_2; /* 0x888 */
+ u32 otp_rdata2_3; /* 0x88c */
+ u32 otp_rdata2_4; /* 0x890 */
+ u32 otp_rdata2_5; /* 0x894 */
+ u32 otp_rdata2_6; /* 0x898 */
+ u32 otp_rdata2_7; /* 0x89c */
+ u32 otp_rdata2_8; /* 0x8a0 */
+ u32 otp_rdatam_1; /* 0x8a4 */
+ u32 otp_rdatam_2; /* 0x8a8 */
+ u32 otp_rdatam_3; /* 0x8ac */
+ u32 otp_rdatam_4; /* 0x8b0 */
+ u32 otp_rdatam_5; /* 0x8b4 */
+ u32 otp_rdatam_6; /* 0x8b8 */
+ u32 otp_rdatam_7; /* 0x8bc */
+ u32 otp_rdatam_8; /* 0x8c0 */
+ u8 reserved_11[0x900 - 0x8c4];
+ u32 a9sm_clusterid; /* 0x900 */
+ u32 a9sm_status; /* 0x904 */
+ u32 a9sm_debug; /* 0x908 */
+ u32 a9sm_filter; /* 0x90c */
+ u32 a9sm_parity_cfg; /* 0x910 */
+ u32 a9sm_parity_err; /* 0x914 */
+ u8 reserved_12[0xa00 - 0x918];
+ u32 die_id_1; /* 0xa00 */
+ u32 die_id_2; /* 0xa04 */
+ u32 die_id_3; /* 0xa08 */
+ u32 die_id_4; /* 0xa0c */
+ u32 die_id_valid; /* 0xa10 */
+ u8 reserved_13[0xb00 - 0xa14];
+ u32 ras1_gpp_inp; /* 0xb00 */
+ u32 ras2_gpp_inp; /* 0xb04 */
+ u32 ras1_gpp_out; /* 0xb08 */
+ u32 ras2_gpp_out; /* 0xb0c */
+ u8 reserved_14[0x1000 - 0xb10];
+ u32 miphy_test; /* 0x1000 */
+ u32 pcie_mstr_p1; /* 0x1004 */
+ u32 pcie_awmisc_p1; /* 0x1008 */
+ u32 pcie_armisc_p1; /* 0x100c */
+ u32 pcie_mstr_p2; /* 0x1010 */
+ u32 pcie_awmisc_p2; /* 0x1014 */
+ u32 pcie_armisc_p2; /* 0x1018 */
+ u32 pcie_mstr_p3; /* 0x101c */
+ u32 pcie_awmisc_p3; /* 0x1020 */
+ u32 pcie_armisc_p3; /* 0x1024 */
+};
+
+/* sys_clk_ctrl definitions */
+#define SYS_MODE_MASK (7 << 0)
+#define SYS_MODE_REQ_DOZE (1 << 0)
+#define SYS_MODE_REQ_SLOW (2 << 0)
+#define SYS_MODE_REQ_NORMAL (4 << 0)
+#define PLL_TIMEOUT_ENB (1 << 3)
+#define XTAL_TIMEOUT_ENB (1 << 4)
+#define SYS_STATE_MASK (0xF << 16)
+#define SYS_STATE_NORMAL (0xF << 16)
+
+/* sys_clk_*timer definitions */
+#define PLL_TIM (0xff << 3)
+#define OSCI_TIM (0xff << 3)
+
+/* pll_freq definitions in MHz */
+#define FREQ_1000 (0xFA000106)
+#define FREQ_996 (0x53000004)
+#define FREQ_332 (0x53000203)
+
+/* pll_ctr definitions */
+#define PLLLOCK (1 << 0)
+#define PLLENABLE (1 << 1)
+
+/* perip_clk_cfg definitions */
+#define MPMC_CLK_PLL4 (1 << 10)
+
+/* perip*_[clk_enb/sw_rst] definitions */
+#define BUS_CLKEN (1 << 0) /* perip1 */
+#define SYSROM_CLKEN (1 << 1)
+#define AORAM_CLKEN (1 << 2)
+#define SYSRAM_CLKEN (1 << 3)
+#define FSMC_CLKEN (1 << 4)
+#define SMI_CLKEN (1 << 5)
+#define SD_CLKEN (1 << 6)
+#define CFXD_CLKEN (1 << 7)
+#define GETH_CLKEN (1 << 8)
+#define UHC1_CLKEN (1 << 9)
+#define UHC2_CLKEN (1 << 10)
+#define UDC_UPD_CLKEN (1 << 11)
+#define PCI1_CLKEN (1 << 12)
+#define PCI2_CLKEN (1 << 13)
+#define PCI3_CLKEN (1 << 14)
+#define UART_CLKEN (1 << 15)
+#define SSP_CLKEN (1 << 17)
+#define I2C_CLKEN (1 << 18)
+#define I2S_SLV_CLKEN (1 << 19)
+#define I2S_MST_CLKEN (1 << 20)
+#define GPT1_CLKEN (1 << 21)
+#define GPT2_CLKEN (1 << 22)
+#define GPIO1_CLKEN (1 << 23)
+#define GPIO2_CLKEN (1 << 24)
+#define DMA1_CLKEN (1 << 25)
+#define DMA2_CLKEN (1 << 26)
+#define CLCD_CLKEN (1 << 27)
+#define JPEG_CLKEN (1 << 28)
+#define C3_CLKEN (1 << 29)
+#define ADC_CLKEN (1 << 30)
+#define RTC_CLKEN (1 << 31)
+
+#define DDR_CTRL_CLKEN (1 << 0) /* perip2 */
+#define DDR_CORE_CLKEN (1 << 1)
+#define CPU_DBG_CLKEN (1 << 2)
+#define KBD_CLKEN (1 << 3)
+#define GPT3_CLKEN (1 << 4)
+#define GPT4_CLKEN (1 << 5)
+#define ACP_CLKEN (1 << 6)
+#define I2S_REFOUT_CLKEN (1 << 7)
+#define THSENS_CLKEN (1 << 8)
+
+/* fsmc_cfg definitions */
+#define DEV_SEL_NOR (0 << 0)
+#define DEV_SEL_NAND (1 << 0)
+#define DEV_SEL_SRAM (2 << 0)
+#define DEV_SEL_MSK (3 << 0)
+#define NAND_BANK_0 (0 << 2)
+#define NAND_BANK_1 (1 << 2)
+#define NAND_BANK_2 (2 << 2)
+#define NAND_BANK_3 (3 << 2)
+#define DEV_WIDTH_8 (0 << 4)
+#define DEV_WIDTH_16 (1 << 4)
+
+/* usbphy_gen_cfg definitions */
+#define COMMON_PWDN (1 << 0)
+#define USBPHY_POR (1 << 12)
+#define USBPHY_RST (1 << 13)
+#define UTMI_XFER_RST0 (1 << 14)
+#define UTMI_XFER_RST1 (1 << 15)
+#define UTMI_XFER_RST2 (1 << 16)
+#define USB_PLL_LOCK (1 << 27)
+
+/* synth registers definitions */
+#define SYNT_CLK_ENB (1 << 31)
+#define SYNT_FIN_FULL (1 << 30)
+#define SYNT_X_1 (1 << 16)
+#define SYNT_Y_2 (2 << 0)
+#define SYNT_Y_5 (5 << 0)
+
+/* gmac_clk_cfg definitions */
+#define PHY_IF_GMII (0 << 4)
+#define PHY_IF_RGMII (1 << 4)
+#define PHY_IF_RMII (4 << 4)
+#define GMII_SYNT_ENB (1 << 3)
+#define CLK_SEL_PAD (0 << 0)
+#define CLK_SEL_PLL2 (1 << 0)
+#define CLK_SEL_OSCI3 (2 << 0)
+
+#endif
diff --git a/include/asm-arm/arch-spear13xx/sys_proto.h b/include/asm-arm/arch-spear13xx/sys_proto.h
new file mode 100644
index 0000000..e6cc3a9
--- /dev/null
+++ b/include/asm-arm/arch-spear13xx/sys_proto.h
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar at st.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+u32 get_device_type(void);
+void invalidate_dcache(u32);
+void l2_cache_disable(void);
+void l2_cache_enable(void);
+
+#endif
--
1.6.0.2
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