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authorWolfgang Denk <wd@denx.de>2010-07-15 22:49:12 +0200
committerWolfgang Denk <wd@denx.de>2010-07-15 22:49:12 +0200
commit16909f34b76e89871c0da528d6fe2ebf4e32231e (patch)
tree51abe10f8b4df315bc0f4989fdbb8eb15eb2cc7e /arch/arm
parent93502a5e0adcfc0ce6cf8e3daa7eb9a4f4e53658 (diff)
parentbc3a4a53a77308d61b8b3dd366108575b620d3fe (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-pxa
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/pxa/pxafb.c76
-rw-r--r--arch/arm/cpu/pxa/start.S48
-rw-r--r--arch/arm/include/asm/arch-pxa/macro.h324
-rw-r--r--arch/arm/include/asm/arch-pxa/pxa-regs.h10
4 files changed, 451 insertions, 7 deletions
diff --git a/arch/arm/cpu/pxa/pxafb.c b/arch/arm/cpu/pxa/pxafb.c
index d56c5f0..524a03b 100644
--- a/arch/arm/cpu/pxa/pxafb.c
+++ b/arch/arm/cpu/pxa/pxafb.c
@@ -112,6 +112,39 @@ vidinfo_t panel_info = {
vl_efw: 0,
};
#endif /* CONFIG_SHARP_LM8V31 */
+/*----------------------------------------------------------------------*/
+#ifdef CONFIG_VOIPAC_LCD
+
+# define LCD_BPP LCD_COLOR8
+# define LCD_INVERT_COLORS
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+# define REG_LCCR0 0x043008f8
+# define REG_LCCR3 0x0340FF08
+
+vidinfo_t panel_info = {
+ vl_col: 640,
+ vl_row: 480,
+ vl_width: 157,
+ vl_height: 118,
+ vl_clkp: CONFIG_SYS_HIGH,
+ vl_oep: CONFIG_SYS_HIGH,
+ vl_hsp: CONFIG_SYS_HIGH,
+ vl_vsp: CONFIG_SYS_HIGH,
+ vl_dp: CONFIG_SYS_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 1,
+ vl_clor: 1,
+ vl_tft: 1,
+ vl_hpw: 32,
+ vl_blw: 144,
+ vl_elw: 32,
+ vl_vpw: 2,
+ vl_bfw: 13,
+ vl_efw: 30,
+};
+#endif /* CONFIG_VOIPAC_LCD */
/*----------------------------------------------------------------------*/
#ifdef CONFIG_HITACHI_SX14
@@ -147,6 +180,40 @@ vidinfo_t panel_info = {
#endif /* CONFIG_HITACHI_SX14 */
/*----------------------------------------------------------------------*/
+#ifdef CONFIG_LMS283GF05
+
+# define LCD_BPP LCD_COLOR8
+//# define LCD_INVERT_COLORS
+
+/* you have to set lccr0 and lccr3 (including pcd) */
+# define REG_LCCR0 0x043008f8
+# define REG_LCCR3 0x03b00009
+
+vidinfo_t panel_info = {
+ vl_col: 240,
+ vl_row: 320,
+ vl_width: 240,
+ vl_height: 320,
+ vl_clkp: CONFIG_SYS_HIGH,
+ vl_oep: CONFIG_SYS_LOW,
+ vl_hsp: CONFIG_SYS_LOW,
+ vl_vsp: CONFIG_SYS_LOW,
+ vl_dp: CONFIG_SYS_HIGH,
+ vl_bpix: LCD_BPP,
+ vl_lbw: 0,
+ vl_splt: 1,
+ vl_clor: 1,
+ vl_tft: 1,
+ vl_hpw: 4,
+ vl_blw: 4,
+ vl_elw: 8,
+ vl_vpw: 4,
+ vl_bfw: 4,
+ vl_efw: 8,
+};
+#endif /* CONFIG_LMS283GF05 */
+
+/*----------------------------------------------------------------------*/
#if LCD_BPP == LCD_COLOR8
void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
@@ -292,7 +359,9 @@ static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
return 0;
}
-
+#ifdef CONFIG_CPU_MONAHANS
+static inline void pxafb_setup_gpio (vidinfo_t *vid) {}
+#else
static void pxafb_setup_gpio (vidinfo_t *vid)
{
u_long lccr0;
@@ -349,6 +418,7 @@ static void pxafb_setup_gpio (vidinfo_t *vid)
printf("pxafb_setup_gpio: unable to determine bits per pixel\n");
}
}
+#endif
static void pxafb_enable_controller (vidinfo_t *vid)
{
@@ -363,7 +433,11 @@ static void pxafb_enable_controller (vidinfo_t *vid)
FDADR1 = vid->pxa.fdadr1;
LCCR0 |= LCCR0_ENB;
+#ifdef CONFIG_CPU_MONAHANS
+ CKENA |= CKENA_1_LCD;
+#else
CKEN |= CKEN16_LCD;
+#endif
debug("FDADR0 = 0x%08x\n", (unsigned int)FDADR0);
debug("FDADR1 = 0x%08x\n", (unsigned int)FDADR1);
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index e07c8c2..8010b0e 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -34,6 +34,25 @@
.globl _start
_start: b reset
+#ifdef CONFIG_PRELOADER
+ ldr pc, _hang
+ ldr pc, _hang
+ ldr pc, _hang
+ ldr pc, _hang
+ ldr pc, _hang
+ ldr pc, _hang
+ ldr pc, _hang
+
+_hang:
+ .word do_hang
+ .word 0x12345678
+ .word 0x12345678
+ .word 0x12345678
+ .word 0x12345678
+ .word 0x12345678
+ .word 0x12345678
+ .word 0x12345678 /* now 16*4=64 */
+#else
ldr pc, _undefined_instruction
ldr pc, _software_interrupt
ldr pc, _prefetch_abort
@@ -49,6 +68,7 @@ _data_abort: .word data_abort
_not_used: .word not_used
_irq: .word irq
_fiq: .word fiq
+#endif /* CONFIG_PRELOADER */
.balignl 16,0xdeadbeef
@@ -117,8 +137,10 @@ reset:
relocate: /* relocate U-Boot to RAM */
adr r0, _start /* r0 <- current position of code */
ldr r1, _TEXT_BASE /* test if we run from flash or RAM */
+#ifndef CONFIG_PRELOADER
cmp r0, r1 /* don't reloc during debug */
beq stack_setup
+#endif
ldr r2, _armboot_start
ldr r3, _bss_start
@@ -135,28 +157,37 @@ copy_loop:
/* Set up the stack */
stack_setup:
ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
- sub r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area */
- sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo */
+#ifdef CONFIG_PRELOADER
+ sub sp, r0, #128 /* leave 32 words for abort-stack */
+#else
+ sub r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area */
+ sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo */
#ifdef CONFIG_USE_IRQ
sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
#endif /* CONFIG_USE_IRQ */
sub sp, r0, #12 /* leave 3 words for abort-stack */
bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
+#endif
clear_bss:
ldr r0, _bss_start /* find start of bss segment */
ldr r1, _bss_end /* stop here */
mov r2, #0x00000000 /* clear */
+#ifndef CONFIG_PRELOADER
clbss_l:str r2, [r0] /* clear loop... */
add r0, r0, #4
cmp r0, r1
ble clbss_l
+#endif
ldr pc, _start_armboot
+#ifdef CONFIG_ONENAND_IPL
+_start_armboot: .word start_oneboot
+#else
_start_armboot: .word start_armboot
-
+#endif
/****************************************************************************/
/* */
@@ -296,7 +327,7 @@ setspeed_done:
*/
mov pc, lr
-
+#ifndef CONFIG_PRELOADER
/****************************************************************************/
/* */
/* Interrupt handling */
@@ -394,6 +425,7 @@ setspeed_done:
.macro get_fiq_stack @ setup FIQ stack
ldr sp, FIQ_STACK_START
.endm
+#endif /* CONFIG_PRELOADER */
/****************************************************************************/
@@ -402,6 +434,12 @@ setspeed_done:
/* */
/****************************************************************************/
+#ifdef CONFIG_PRELOADER
+ .align 5
+do_hang:
+ ldr sp, _TEXT_BASE /* use 32 words abort stack */
+ bl hang /* hang and never return */
+#else /* !CONFIG_PRELOADER */
.align 5
undefined_instruction:
get_bad_stack
@@ -461,7 +499,7 @@ fiq:
get_bad_stack
bad_save_user_regs
bl do_fiq
-
+#endif /* CONFIG_PRELOADER */
#endif /* CONFIG_USE_IRQ */
/****************************************************************************/
diff --git a/arch/arm/include/asm/arch-pxa/macro.h b/arch/arm/include/asm/arch-pxa/macro.h
new file mode 100644
index 0000000..035a57e
--- /dev/null
+++ b/arch/arm/include/asm/arch-pxa/macro.h
@@ -0,0 +1,324 @@
+/*
+ * arch/arm/include/asm/arch-pxa/macro.h
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.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_PXA_MACRO_H__
+#define __ASM_ARCH_PXA_MACRO_H__
+#ifdef __ASSEMBLY__
+
+#include <asm/macro.h>
+#include <asm/arch/pxa-regs.h>
+
+/*
+ * This macro performs a 32bit write to a memory location and makes sure the
+ * write operation really happened by performing a read back.
+ *
+ * Clobbered regs: r4, r5
+ */
+.macro write32rb addr, data
+ ldr r4, =\addr
+ ldr r5, =\data
+ str r5, [r4]
+ ldr r5, [r4]
+.endm
+
+/*
+ * This macro waits according to OSCR incrementation
+ *
+ * Clobbered regs: r4, r5, r6
+ */
+.macro pxa_wait_ticks ticks
+ ldr r4, =OSCR
+ mov r5, #0
+ str r5, [r4]
+ ldr r5, =\ticks
+1:
+ ldr r6, [r4]
+ cmp r5, r6
+ bgt 1b
+.endm
+
+/*
+ * This macro sets up the GPIO pins of the PXA2xx/PXA3xx CPU
+ *
+ * Clobbered regs: r4, r5
+ */
+.macro pxa_gpio_setup
+ write32 GPSR0, CONFIG_SYS_GPSR0_VAL
+ write32 GPSR1, CONFIG_SYS_GPSR1_VAL
+ write32 GPSR2, CONFIG_SYS_GPSR2_VAL
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+ write32 GPSR3, CONFIG_SYS_GPSR3_VAL
+#endif
+
+ write32 GPCR0, CONFIG_SYS_GPCR0_VAL
+ write32 GPCR1, CONFIG_SYS_GPCR1_VAL
+ write32 GPCR2, CONFIG_SYS_GPCR2_VAL
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+ write32 GPCR3, CONFIG_SYS_GPCR3_VAL
+#endif
+
+ write32 GPDR0, CONFIG_SYS_GPDR0_VAL
+ write32 GPDR1, CONFIG_SYS_GPDR1_VAL
+ write32 GPDR2, CONFIG_SYS_GPDR2_VAL
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+ write32 GPDR3, CONFIG_SYS_GPDR3_VAL
+#endif
+
+ write32 GAFR0_L, CONFIG_SYS_GAFR0_L_VAL
+ write32 GAFR0_U, CONFIG_SYS_GAFR0_U_VAL
+ write32 GAFR1_L, CONFIG_SYS_GAFR1_L_VAL
+ write32 GAFR1_U, CONFIG_SYS_GAFR1_U_VAL
+ write32 GAFR2_L, CONFIG_SYS_GAFR2_L_VAL
+ write32 GAFR2_U, CONFIG_SYS_GAFR2_U_VAL
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+ write32 GAFR3_L, CONFIG_SYS_GAFR3_L_VAL
+ write32 GAFR3_U, CONFIG_SYS_GAFR3_U_VAL
+#endif
+
+ write32 PSSR, CONFIG_SYS_PSSR_VAL
+.endm
+
+/*
+ * This macro sets up the Memory controller of the PXA2xx CPU
+ *
+ * Clobbered regs: r3, r4, r5
+ */
+.macro pxa_mem_setup
+ /* This comes handy when setting MDREFR */
+ ldr r3, =MEMC_BASE
+
+ /*
+ * 1) Initialize Asynchronous static memory controller
+ */
+
+ /* MSC0: nCS(0,1) */
+ write32rb (MEMC_BASE + MSC0_OFFSET), CONFIG_SYS_MSC0_VAL
+ /* MSC1: nCS(2,3) */
+ write32rb (MEMC_BASE + MSC1_OFFSET), CONFIG_SYS_MSC1_VAL
+ /* MSC2: nCS(4,5) */
+ write32rb (MEMC_BASE + MSC2_OFFSET), CONFIG_SYS_MSC2_VAL
+
+ /*
+ * 2) Initialize Card Interface
+ */
+
+ /* MECR: Memory Expansion Card Register */
+ write32rb (MEMC_BASE + MECR_OFFSET), CONFIG_SYS_MECR_VAL
+ /* MCMEM0: Card Interface slot 0 timing */
+ write32rb (MEMC_BASE + MCMEM0_OFFSET), CONFIG_SYS_MCMEM0_VAL
+ /* MCMEM1: Card Interface slot 1 timing */
+ write32rb (MEMC_BASE + MCMEM1_OFFSET), CONFIG_SYS_MCMEM1_VAL
+ /* MCATT0: Card Interface Attribute Space Timing, slot 0 */
+ write32rb (MEMC_BASE + MCATT0_OFFSET), CONFIG_SYS_MCATT0_VAL
+ /* MCATT1: Card Interface Attribute Space Timing, slot 1 */
+ write32rb (MEMC_BASE + MCATT1_OFFSET), CONFIG_SYS_MCATT1_VAL
+ /* MCIO0: Card Interface I/O Space Timing, slot 0 */
+ write32rb (MEMC_BASE + MCIO0_OFFSET), CONFIG_SYS_MCIO0_VAL
+ /* MCIO1: Card Interface I/O Space Timing, slot 1 */
+ write32rb (MEMC_BASE + MCIO1_OFFSET), CONFIG_SYS_MCIO1_VAL
+
+ /*
+ * 3) Configure Fly-By DMA register
+ */
+
+ write32rb (MEMC_BASE + FLYCNFG_OFFSET), CONFIG_SYS_FLYCNFG_VAL
+
+ /*
+ * 4) Initialize Timing for Sync Memory (SDCLK0)
+ */
+
+ /*
+ * Before accessing MDREFR we need a valid DRI field, so we set
+ * this to power on defaults + DRI field.
+ */
+ ldr r5, [r3, #MDREFR_OFFSET]
+ bic r5, r5, #0x0ff
+ bic r5, r5, #0xf00 /* MDREFR user config with zeroed DRI */
+
+ ldr r4, =CONFIG_SYS_MDREFR_VAL
+ mov r6, r4
+ lsl r4, #20
+ lsr r4, #20 /* Get a valid DRI field */
+
+ orr r5, r5, r4 /* MDREFR user config with correct DRI */
+
+ orr r5, #MDREFR_K0RUN
+ orr r5, #MDREFR_SLFRSH
+ bic r5, #MDREFR_APD
+ bic r5, #MDREFR_E1PIN
+
+ str r5, [r3, #MDREFR_OFFSET]
+ ldr r4, [r3, #MDREFR_OFFSET]
+
+ /*
+ * 5) Initialize Synchronous Static Memory (Flash/Peripherals)
+ */
+
+ /* Initialize SXCNFG register. Assert the enable bits.
+ *
+ * Write SXMRS to cause an MRS command to all enabled banks of
+ * synchronous static memory. Note that SXLCR need not be written
+ * at this time.
+ */
+ write32rb (MEMC_BASE + SXCNFG_OFFSET), CONFIG_SYS_SXCNFG_VAL
+
+ /*
+ * 6) Initialize SDRAM
+ */
+
+ bic r6, #MDREFR_SLFRSH
+ str r6, [r3, #MDREFR_OFFSET]
+ ldr r4, [r3, #MDREFR_OFFSET]
+
+ orr r6, #MDREFR_E1PIN
+ str r6, [r3, #MDREFR_OFFSET]
+ ldr r4, [r3, #MDREFR_OFFSET]
+
+ /*
+ * 7) Write MDCNFG with MDCNFG:DEx deasserted (set to 0), to configure
+ * but not enable each SDRAM partition pair.
+ */
+
+ /* Fetch platform value of MDCNFG */
+ ldr r4, =CONFIG_SYS_MDCNFG_VAL
+ /* Disable all sdram banks */
+ bic r4, r4, #(MDCNFG_DE0|MDCNFG_DE1)
+ bic r4, r4, #(MDCNFG_DE2|MDCNFG_DE3)
+ /* Write initial value of MDCNFG, w/o enabling sdram banks */
+ str r4, [r3, #MDCNFG_OFFSET]
+ ldr r4, [r3, #MDCNFG_OFFSET]
+
+ /* Wait for the clock to the SDRAMs to stabilize, 100..200 usec. */
+ pxa_wait_ticks 0x300
+
+ /*
+ * 8) Trigger a number (usually 8) refresh cycles by attempting
+ * non-burst read or write accesses to disabled SDRAM, as commonly
+ * specified in the power up sequence documented in SDRAM data
+ * sheets. The address(es) used for this purpose must not be
+ * cacheable.
+ */
+
+ ldr r4, =CONFIG_SYS_DRAM_BASE
+.rept 9
+ str r5, [r4]
+.endr
+
+ /*
+ * 9) Write MDCNFG with enable bits asserted (MDCNFG:DEx set to 1).
+ */
+
+ ldr r5, =CONFIG_SYS_MDCNFG_VAL
+ ldr r4, =(MDCNFG_DE0 | MDCNFG_DE1 | MDCNFG_DE2 | MDCNFG_DE3)
+ and r5, r5, r4
+ ldr r4, [r3, #MDCNFG_OFFSET]
+ orr r4, r4, r5
+ str r4, [r3, #MDCNFG_OFFSET]
+ ldr r4, [r3, #MDCNFG_OFFSET]
+
+ /*
+ * 10) Write MDMRS.
+ */
+
+ ldr r4, =CONFIG_SYS_MDMRS_VAL
+ str r4, [r3, #MDMRS_OFFSET]
+ ldr r4, [r3, #MDMRS_OFFSET]
+
+ /*
+ * 11) Enable APD
+ */
+
+ ldr r4, [r3, #MDREFR_OFFSET]
+ and r6, r6, #MDREFR_APD
+ orr r4, r4, r6
+ str r4, [r3, #MDREFR_OFFSET]
+ ldr r4, [r3, #MDREFR_OFFSET]
+.endm
+
+/*
+ * This macro tests if the CPU woke up from sleep and eventually resumes
+ *
+ * Clobbered regs: r4, r5
+ */
+.macro pxa_wakeup
+ ldr r4, =RCSR
+ ldr r5, [r4]
+ and r5, r5, #(RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR)
+ str r5, [r4]
+ teq r5, #RCSR_SMR
+
+ bne pxa_wakeup_exit
+
+ ldr r4, =PSSR
+ mov r5, #PSSR_PH
+ str r5, [r4]
+
+ ldr r4, =PSPR
+ ldr pc, [r4]
+pxa_wakeup_exit:
+.endm
+
+/*
+ * This macro disables all interupts on PXA2xx/PXA3xx CPU
+ *
+ * Clobbered regs: r4, r5
+ */
+.macro pxa_intr_setup
+ write32 ICLR, 0
+ write32 ICMR, 0
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+ write32 ICLR2, 0
+ write32 ICMR2, 0
+#endif
+.endm
+
+/*
+ * This macro configures clock on PXA2xx/PXA3xx CPU
+ *
+ * Clobbered regs: r4, r5
+ */
+.macro pxa_clock_setup
+ /* Disable the peripheral clocks, and set the core clock frequency */
+
+ /* Turn Off ALL on-chip peripheral clocks for re-configuration */
+ write32 CKEN, CONFIG_SYS_CKEN
+
+ /* Write CCCR */
+ write32 CCCR, CONFIG_SYS_CCCR
+
+#ifdef CONFIG_RTC
+ /* enable the 32Khz oscillator for RTC and PowerManager */
+ write32 OSCC, #OSCC_OON
+ ldr r4, =OSCC
+
+ /* Spin here until OSCC.OOK get set, meaning the PLL has settled. */
+2:
+ ldr r5, [r4]
+ ands r5, r5, #1
+ beq 2b
+#endif
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_ARCH_PXA_MACRO_H__ */
diff --git a/arch/arm/include/asm/arch-pxa/pxa-regs.h b/arch/arm/include/asm/arch-pxa/pxa-regs.h
index cd7b7f9..d442fb0 100644
--- a/arch/arm/include/asm/arch-pxa/pxa-regs.h
+++ b/arch/arm/include/asm/arch-pxa/pxa-regs.h
@@ -1132,10 +1132,18 @@ typedef void (*ExcpHndlr) (void) ;
#define PWM_PWDUTY0 __REG(0x40B00004) /* PWM 0 Duty Cycle Register */
#define PWM_PERVAL0 __REG(0x40B00008) /* PWM 0 Period Control Register */
-#define PWM_CTRL1 __REG(0x40C00000) /* PWM 1Control Register */
+#define PWM_CTRL1 __REG(0x40C00000) /* PWM 1 Control Register */
#define PWM_PWDUTY1 __REG(0x40C00004) /* PWM 1 Duty Cycle Register */
#define PWM_PERVAL1 __REG(0x40C00008) /* PWM 1 Period Control Register */
+#define PWM_CTRL2 __REG(0x40B00010) /* PWM 2 Control Register */
+#define PWM_PWDUTY2 __REG(0x40B00014) /* PWM 2 Duty Cycle Register */
+#define PWM_PERVAL2 __REG(0x40B00018) /* PWM 2 Period Control Register */
+
+#define PWM_CTRL3 __REG(0x40C00010) /* PWM 3 Control Register */
+#define PWM_PWDUTY3 __REG(0x40C00014) /* PWM 3 Duty Cycle Register */
+#define PWM_PERVAL3 __REG(0x40C00018) /* PWM 3 Period Control Register */
+
/*
* Interrupt Controller
*/