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-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c1
-rw-r--r--arch/arm/mach-shmobile/include/mach/entry-macro.S30
-rw-r--r--arch/arm/mach-shmobile/include/mach/head-ap4evb.txt87
-rw-r--r--arch/arm/mach-shmobile/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-shmobile/include/mach/zboot.h20
-rw-r--r--arch/arm/mach-shmobile/include/mach/zboot_macros.h65
6 files changed, 200 insertions, 5 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index d440e5f456ad..ac429ff2c20d 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -61,6 +61,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
+#include <asm/setup.h>
/*
* Address Interface BusWidth note
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
index a285d13c7416..f428c4db2b60 100644
--- a/arch/arm/mach-shmobile/include/mach/entry-macro.S
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2010 Magnus Damm
* Copyright (C) 2008 Renesas Solutions Corp.
*
* This program is free software; you can redistribute it and/or modify
@@ -14,24 +15,45 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <mach/hardware.h>
#include <mach/irqs.h>
+#define INTCA_BASE 0xe6980000
+#define INTFLGA_OFFS 0x00000018 /* accept pending interrupt */
+#define INTEVTA_OFFS 0x00000020 /* vector number of accepted interrupt */
+#define INTLVLA_OFFS 0x00000030 /* priority level of accepted interrupt */
+#define INTLVLB_OFFS 0x00000034 /* previous priority level */
+
.macro disable_fiq
.endm
.macro get_irqnr_preamble, base, tmp
- ldr \base, =INTFLGA
+ ldr \base, =INTCA_BASE
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \irqnr, [\base]
+ /* The single INTFLGA read access below results in the following:
+ *
+ * 1. INTLVLB is updated with old priority value from INTLVLA
+ * 2. Highest priority interrupt is accepted
+ * 3. INTLVLA is updated to contain priority of accepted interrupt
+ * 4. Accepted interrupt vector is stored in INTFLGA and INTEVTA
+ */
+ ldr \irqnr, [\base, #INTFLGA_OFFS]
+
+ /* Restore INTLVLA with the value saved in INTLVLB.
+ * This is required to support interrupt priorities properly.
+ */
+ ldrb \tmp, [\base, #INTLVLB_OFFS]
+ strb \tmp, [\base, #INTLVLA_OFFS]
+
+ /* Handle invalid vector number case */
cmp \irqnr, #0
beq 1000f
- /* intevt to irq number */
+
+ /* Convert vector to irq number, same as the evt2irq() macro */
lsr \irqnr, \irqnr, #0x5
subs \irqnr, \irqnr, #16
diff --git a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt
new file mode 100644
index 000000000000..e3ebfa73956e
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt
@@ -0,0 +1,87 @@
+LIST "partner-jet-setup.txt"
+LIST "(C) Copyright 2010 Renesas Solutions Corp"
+LIST "Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"
+
+LIST "RWT Setting"
+EW 0xE6020004, 0xA500
+EW 0xE6030004, 0xA500
+
+DD 0x01001000, 0x01001000
+
+LIST "GPIO Setting"
+EB 0xE6051013, 0xA2
+
+LIST "CPG"
+ED 0xE6150080, 0x00000180
+ED 0xE61500C0, 0x00000002
+
+WAIT 1, 0xFE40009C
+
+LIST "FRQCR"
+ED 0xE6150000, 0x2D1305C3
+ED 0xE61500E0, 0x9E40358E
+ED 0xE6150004, 0x80331050
+
+WAIT 1, 0xFE40009C
+
+ED 0xE61500E4, 0x00002000
+
+WAIT 1, 0xFE40009C
+
+LIST "PLL"
+ED 0xE6150028, 0x00004000
+
+WAIT 1, 0xFE40009C
+
+ED 0xE615002C, 0x93000040
+
+WAIT 1, 0xFE40009C
+
+LIST "BSC"
+ED 0xFEC10000, 0x00E0001B
+
+LIST "SBSC1"
+ED 0xFE400354, 0x01AD8000
+ED 0xFE400354, 0x01AD8001
+
+WAIT 5, 0xFE40009C
+
+ED 0xFE400008, 0xBCC90151
+ED 0xFE400040, 0x41774113
+ED 0xFE400044, 0x2712E229
+ED 0xFE400048, 0x20C18505
+ED 0xFE40004C, 0x00110209
+ED 0xFE400010, 0x00000087
+
+WAIT 10, 0xFE40009C
+
+ED 0xFE400084, 0x0000003F
+EB 0xFE500000, 0x00
+
+WAIT 5, 0xFE40009C
+
+ED 0xFE400084, 0x0000FF0A
+EB 0xFE500000, 0x00
+
+WAIT 1, 0xFE40009C
+
+ED 0xFE400084, 0x00002201
+EB 0xFE500000, 0x00
+ED 0xFE400084, 0x00000302
+EB 0xFE500000, 0x00
+EB 0xFE5C0000, 0x00
+ED 0xFE400008, 0xBCC90159
+ED 0xFE40008C, 0x88800004
+ED 0xFE400094, 0x00000004
+ED 0xFE400028, 0xA55A0032
+ED 0xFE40002C, 0xA55A000C
+ED 0xFE400020, 0xA55A2048
+ED 0xFE400008, 0xBCC90959
+
+LIST "Change CPGA setting"
+ED 0xE61500E0, 0x9E40352E
+ED 0xE6150004, 0x80331050
+
+WAIT 1, 0xFE40009C
+
+ED 0xE6150354, 0x00000002
diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h
index 4aecf6e3a859..2b8fd8b942fe 100644
--- a/arch/arm/mach-shmobile/include/mach/vmalloc.h
+++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h
@@ -2,6 +2,6 @@
#define __ASM_MACH_VMALLOC_H
/* Vmalloc at ... - 0xe5ffffff */
-#define VMALLOC_END 0xe6000000
+#define VMALLOC_END 0xe6000000UL
#endif /* __ASM_MACH_VMALLOC_H */
diff --git a/arch/arm/mach-shmobile/include/mach/zboot.h b/arch/arm/mach-shmobile/include/mach/zboot.h
new file mode 100644
index 000000000000..3ad86b7708e9
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/zboot.h
@@ -0,0 +1,20 @@
+#ifndef ZBOOT_H
+#define ZBOOT_H
+
+#include <asm/mach-types.h>
+#include <mach/zboot_macros.h>
+
+/**************************************************
+ *
+ * board specific settings
+ *
+ **************************************************/
+
+#ifdef CONFIG_MACH_AP4EVB
+#define MACH_TYPE MACH_TYPE_AP4EVB
+#include "mach/head-ap4evb.txt"
+#else
+#error "unsupported board."
+#endif
+
+#endif /* ZBOOT_H */
diff --git a/arch/arm/mach-shmobile/include/mach/zboot_macros.h b/arch/arm/mach-shmobile/include/mach/zboot_macros.h
new file mode 100644
index 000000000000..aa6111fbc989
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/zboot_macros.h
@@ -0,0 +1,65 @@
+#ifndef __ZBOOT_MACRO_H
+#define __ZBOOT_MACRO_H
+
+/* The LIST command is used to include comments in the script */
+.macro LIST comment
+.endm
+
+/* The ED command is used to write a 32-bit word */
+.macro ED, addr, data
+ LDR r0, 1f
+ LDR r1, 2f
+ STR r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro EW, addr, data
+ LDR r0, 1f
+ LDR r1, 2f
+ STRH r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro EB, addr, data
+ LDR r0, 1f
+ LDR r1, 2f
+ STRB r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro WAIT, time, reg
+ LDR r1, 1f
+ LDR r0, 2f
+ STR r0, [r1]
+10 :
+ LDR r0, [r1]
+ CMP r0, #0x00000000
+ BNE 10b
+ NOP
+ B 3f
+1 : .long \reg
+2 : .long \time * 100
+3 :
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro DD, start, end
+ LDR r1, 1f
+ B 2f
+1 : .long \start
+2 :
+.endm
+
+#endif /* __ZBOOT_MACRO_H */
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