[U-Boot] [PATCH] arm/pxa: remove unused arch-pxa/macro.h

Marek Vasut marek.vasut at gmail.com
Thu Oct 28 00:02:26 CEST 2010


From: Mikhail Kshevetskiy <mikhail.kshevetskiy at gmail.com>

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy at gmail.com>
---
 arch/arm/cpu/pxa/start.S                  |    1 -
 arch/arm/include/asm/arch-pxa/macro.h     |  328 -----------------------------
 onenand_ipl/board/vpac270/Makefile        |    5 -
 onenand_ipl/board/vpac270/lowlevel_init.S |   34 ---
 4 files changed, 0 insertions(+), 368 deletions(-)
 delete mode 100644 arch/arm/include/asm/arch-pxa/macro.h
 delete mode 100644 onenand_ipl/board/vpac270/lowlevel_init.S

diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index bf8510e..f15a43a 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -33,7 +33,6 @@
 #include <config.h>
 #include <version.h>
 #include <asm/arch/pxa-regs.h>
-#include <asm/arch/macro.h>
 
 /* takes care the CP15 update has taken place */
 .macro CPWAIT reg
diff --git a/arch/arm/include/asm/arch-pxa/macro.h b/arch/arm/include/asm/arch-pxa/macro.h
deleted file mode 100644
index 85958dd..0000000
--- a/arch/arm/include/asm/arch-pxa/macro.h
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * arch/arm/include/asm/arch-pxa/macro.h
- *
- * Copyright (C) 2010 Marek Vasut <marek.vasut at 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
- *
- * WARNING: This macro uses internally r3 and r7 regs for MEMC_BASE
- *          and CONFIG_SYS_MDREFR_VAL correspondingly. Please do not
- *          use this regs for other purpose inside this macro.
- *
- * Clobbered regs: r3, r4, r5, r6, r7
- */
-.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	r7, 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	r7, #MDREFR_SLFRSH
-	str	r7, [r3, #MDREFR_OFFSET]
-	ldr	r4, [r3, #MDREFR_OFFSET]
-
-	orr	r7, #MDREFR_E1PIN
-	str	r7, [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	r7, r7, #MDREFR_APD
-	orr	r4, r4, r7
-	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/onenand_ipl/board/vpac270/Makefile b/onenand_ipl/board/vpac270/Makefile
index a86bc00..7300692 100644
--- a/onenand_ipl/board/vpac270/Makefile
+++ b/onenand_ipl/board/vpac270/Makefile
@@ -8,7 +8,6 @@ AFLAGS	+= -DCONFIG_PRELOADER -DCONFIG_ONENAND_IPL
 CFLAGS	+= -DCONFIG_PRELOADER -DCONFIG_ONENAND_IPL
 OBJCFLAGS += --gap-fill=0x00
 
-SOBJS	:= lowlevel_init.o
 SOBJS	+= start.o
 COBJS	:= vpac270.o
 COBJS	+= onenand_read.o
@@ -62,10 +61,6 @@ ifneq ($(OBJTREE), $(SRCTREE))
 $(obj)vpac270.c:
 	@rm -f $@
 	ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/vpac270.c $@
-
-$(obj)lowlevel_init.S:
-	@rm -f $@
-	ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/lowlevel_init.S $@
 endif
 
 #########################################################################
diff --git a/onenand_ipl/board/vpac270/lowlevel_init.S b/onenand_ipl/board/vpac270/lowlevel_init.S
deleted file mode 100644
index e79d8dd..0000000
--- a/onenand_ipl/board/vpac270/lowlevel_init.S
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Voipac PXA270 Lowlevel Hardware Initialization
- *
- * Copyright (C) 2010 Marek Vasut <marek.vasut at 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
- */
-
-#include <config.h>
-#include <version.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/macro.h>
-
-.globl lowlevel_init
-lowlevel_init:
-	pxa_clock_setup
-	mov	pc, lr
-- 
1.7.1



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