[U-Boot] [PATCH 05/20] PXA: cradle: Fix for reloc

Marek Vasut marek.vasut at gmail.com
Wed Oct 20 22:16:15 CEST 2010


Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
 board/cradle/Makefile        |   10 +-
 board/cradle/config.mk       |    2 -
 board/cradle/cradle.c        |   30 ++--
 board/cradle/lowlevel_init.S |  515 ------------------------------------------
 include/configs/cradle.h     |   18 +-
 include/configs/csb226.h     |    3 +
 6 files changed, 28 insertions(+), 550 deletions(-)
 delete mode 100644 board/cradle/config.mk
 delete mode 100644 board/cradle/lowlevel_init.S

diff --git a/board/cradle/Makefile b/board/cradle/Makefile
index 1ae785d..720593c 100644
--- a/board/cradle/Makefile
+++ b/board/cradle/Makefile
@@ -26,17 +26,15 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(BOARD).a
 
 COBJS	:= cradle.o flash.o
-SOBJS	:= lowlevel_init.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
-$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
 
 clean:
-	rm -f $(SOBJS) $(OBJS)
+	rm -f $(OBJS)
 
 distclean:	clean
 	rm -f $(LIB) core *.bak $(obj).depend
diff --git a/board/cradle/config.mk b/board/cradle/config.mk
deleted file mode 100644
index 6656bdd..0000000
--- a/board/cradle/config.mk
+++ /dev/null
@@ -1,2 +0,0 @@
-CONFIG_SYS_TEXT_BASE = 0xa0f80000
-#CONFIG_SYS_TEXT_BASE = 0
diff --git a/board/cradle/cradle.c b/board/cradle/cradle.c
index c4a93f9..2bbf2d5 100644
--- a/board/cradle/cradle.c
+++ b/board/cradle/cradle.c
@@ -185,6 +185,10 @@ int
 board_init (void)
 /**********************************************************/
 {
+	/* We have RAM, disable cache */
+	dcache_disable();
+	icache_disable();
+
 	led_code (0xf, YELLOW);
 
 	/* arch number of HHP Cradle */
@@ -206,24 +210,18 @@ board_init (void)
 	return 1;
 }
 
-int
-/**********************************************************/
-dram_init (void)
-/**********************************************************/
+extern void pxa_dram_init(void);
+int dram_init(void)
+{
+	pxa_dram_init();
+	gd->ram_size = PHYS_SDRAM_1_SIZE;
+	return 0;
+}
+
+void dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size  = PHYS_SDRAM_1_SIZE;
-	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
-	gd->bd->bi_dram[1].size  = PHYS_SDRAM_2_SIZE;
-	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
-	gd->bd->bi_dram[2].size  = PHYS_SDRAM_3_SIZE;
-	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
-	gd->bd->bi_dram[3].size  = PHYS_SDRAM_4_SIZE;
-
-	return (PHYS_SDRAM_1_SIZE +
-		PHYS_SDRAM_2_SIZE +
-		PHYS_SDRAM_3_SIZE +
-		PHYS_SDRAM_4_SIZE );
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 }
 
 #ifdef CONFIG_CMD_NET
diff --git a/board/cradle/lowlevel_init.S b/board/cradle/lowlevel_init.S
deleted file mode 100644
index 39964b6..0000000
--- a/board/cradle/lowlevel_init.S
+++ /dev/null
@@ -1,515 +0,0 @@
-/*
- * Most of this taken from Redboot hal_platform_setup.h with cleanup
- *
- * 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>
-
-DRAM_SIZE:  .long   CONFIG_SYS_DRAM_SIZE
-
-/* wait for coprocessor write complete */
-   .macro CPWAIT reg
-   mrc  p15,0,\reg,c2,c0,0
-   mov  \reg,\reg
-   sub  pc,pc,#4
-   .endm
-
-   .macro SET_LED val
-   ldr   r6, =GPCR2
-   ldr   r7, =0
-   str   r7, [r6]
-   ldr   r6, =GPSR2
-   ldr   r7, =\val
-   str   r7, [r6]
-   .endm
-
-
-.globl lowlevel_init
-lowlevel_init:
-
-    mov      r10, lr
-
-    /* Set up GPIO pins first */
-
-   ldr      r0,   =GPSR0
-   ldr      r1,   =CONFIG_SYS_GPSR0_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPSR1
-   ldr      r1,   =CONFIG_SYS_GPSR1_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPSR2
-   ldr      r1,   =CONFIG_SYS_GPSR2_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPCR0
-   ldr      r1,   =CONFIG_SYS_GPCR0_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPCR1
-   ldr      r1,   =CONFIG_SYS_GPCR1_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPCR2
-   ldr      r1,   =CONFIG_SYS_GPCR2_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GRER0
-   ldr      r1,   =CONFIG_SYS_GRER0_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GRER1
-   ldr      r1,   =CONFIG_SYS_GRER1_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GRER2
-   ldr      r1,   =CONFIG_SYS_GRER2_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GFER0
-   ldr      r1,   =CONFIG_SYS_GFER0_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GFER1
-   ldr      r1,   =CONFIG_SYS_GFER1_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GFER2
-   ldr      r1,   =CONFIG_SYS_GFER2_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPDR0
-   ldr      r1,   =CONFIG_SYS_GPDR0_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPDR1
-   ldr      r1,   =CONFIG_SYS_GPDR1_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GPDR2
-   ldr      r1,   =CONFIG_SYS_GPDR2_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR0_L
-   ldr      r1,   =CONFIG_SYS_GAFR0_L_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR0_U
-   ldr      r1,   =CONFIG_SYS_GAFR0_U_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR1_L
-   ldr      r1,   =CONFIG_SYS_GAFR1_L_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR1_U
-   ldr      r1,   =CONFIG_SYS_GAFR1_U_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR2_L
-   ldr      r1,   =CONFIG_SYS_GAFR2_L_VAL
-   str      r1,   [r0]
-
-   ldr      r0,   =GAFR2_U
-   ldr      r1,   =CONFIG_SYS_GAFR2_U_VAL
-   str      r1,   [r0]
-
-   /* enable GPIO pins */
-   ldr      r0,   =PSSR
-   ldr      r1,   =CONFIG_SYS_PSSR_VAL
-   str      r1,   [r0]
-
-   SET_LED 1
-
-   ldr    r3, =MSC1             /* low - bank 2 Lubbock Registers / SRAM */
-   ldr    r2, =CONFIG_SYS_MSC1_VAL     /* high - bank 3 Ethernet Controller */
-   str    r2, [r3]              /* need to set MSC1 before trying to write to the HEX LEDs */
-   ldr    r2, [r3]              /* need to read it back to make sure the value latches (see MSC section of manual) */
-
-
-/*********************************************************************
-    Initlialize Memory Controller
-
-    See PXA250 Operating System Developer's Guide
-
-    pause for 200 uSecs- allow internal clocks to settle
-    *Note: only need this if hard reset... doing it anyway for now
-*/
-
-    @ Step 1
-   @ ---- Wait 200 usec
-   ldr r3, =OSCR       @ reset the OS Timer Count to zero
-   mov r2, #0
-   str r2, [r3]
-   ldr r4, =0x300         @ really 0x2E1 is about 200usec, so 0x300 should be plenty
-1:
-   ldr r2, [r3]
-   cmp r4, r2
-   bgt 1b
-
-   SET_LED 2
-
-mem_init:
-	@ get memory controller base address
-	ldr     r1,  =MEMC_BASE
-
-
-@****************************************************************************
-@  Step 2
-@
-
-   @ Step 2a
-   @ write msc0, read back to ensure data latches
-   @
-   ldr     r2,   =CONFIG_SYS_MSC0_VAL
-   str     r2,   [r1, #MSC0_OFFSET]
-   ldr     r2,   [r1, #MSC0_OFFSET]
-
-   @ write msc1
-   ldr     r2,  =CONFIG_SYS_MSC1_VAL
-   str     r2,  [r1, #MSC1_OFFSET]
-   ldr     r2,  [r1, #MSC1_OFFSET]
-
-   @ write msc2
-   ldr     r2,  =CONFIG_SYS_MSC2_VAL
-   str     r2,  [r1, #MSC2_OFFSET]
-   ldr     r2,  [r1, #MSC2_OFFSET]
-
-   @ Step 2b
-   @ write mecr
-   ldr     r2,  =CONFIG_SYS_MECR_VAL
-   str     r2,  [r1, #MECR_OFFSET]
-
-   @ write mcmem0
-   ldr     r2,  =CONFIG_SYS_MCMEM0_VAL
-   str     r2,  [r1, #MCMEM0_OFFSET]
-
-   @ write mcmem1
-   ldr     r2,  =CONFIG_SYS_MCMEM1_VAL
-   str     r2,  [r1, #MCMEM1_OFFSET]
-
-   @ write mcatt0
-   ldr     r2,  =CONFIG_SYS_MCATT0_VAL
-   str     r2,  [r1, #MCATT0_OFFSET]
-
-   @ write mcatt1
-   ldr     r2,  =CONFIG_SYS_MCATT1_VAL
-   str     r2,  [r1, #MCATT1_OFFSET]
-
-   @ write mcio0
-   ldr     r2,  =CONFIG_SYS_MCIO0_VAL
-   str     r2,  [r1, #MCIO0_OFFSET]
-
-   @ write mcio1
-   ldr     r2,  =CONFIG_SYS_MCIO1_VAL
-   str     r2,  [r1, #MCIO1_OFFSET]
-
-   /*SET_LED 3 */
-
-   @ Step 2c
-   @ fly-by-dma is defeatured on this part
-   @ write flycnfg
-   @ldr     r2,  =CONFIG_SYS_FLYCNFG_VAL
-   @str     r2,  [r1, #FLYCNFG_OFFSET]
-
-/* FIXME Does this sequence really make sense */
-#ifdef REDBOOT_WAY
-   @ Step 2d
-   @ get the mdrefr settings
-   ldr     r3,  =CONFIG_SYS_MDREFR_VAL
-
-   @ extract DRI field (we need a valid DRI field)
-   @
-   ldr     r2,  =0xFFF
-
-   @ valid DRI field in r3
-   @
-   and     r3,  r3,  r2
-
-   @ get the reset state of MDREFR
-   @
-   ldr     r4,  [r1, #MDREFR_OFFSET]
-
-   @ clear the DRI field
-   @
-   bic     r4,  r4,  r2
-
-   @ insert the valid DRI field loaded above
-   @
-   orr     r4,  r4,  r3
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-
-   @ *Note: preserve the mdrefr value in r4 *
-
-   /*SET_LED 4 */
-
-@****************************************************************************
-@  Step 3
-@
-@ NO SRAM
-
-   mov   pc, r10
-
-
-@****************************************************************************
-@  Step 4
-@
-
-   @ Assumes previous mdrefr value in r4, if not then read current mdrefr
-
-   @ clear the free-running clock bits
-   @ (clear K0Free, K1Free, K2Free
-   @
-   bic     r4,  r4,  #(0x00800000 | 0x01000000 | 0x02000000)
-
-   @ set K0RUN for CPLD clock
-   @
-   orr   r4,  r4,  #0x00002000
-
-   @ set K1RUN if bank 0 installed
-   @
-   orr   r4,  r4,  #0x00010000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-   ldr     r4,  [r1, #MDREFR_OFFSET]
-
-   @ deassert SLFRSH
-   @
-   bic     r4,  r4,  #0x00400000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-
-   @ assert E1PIN
-   @
-   orr     r4,  r4,  #0x00008000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-   ldr     r4,  [r1, #MDREFR_OFFSET]
-   nop
-   nop
-#else
-   @ Step 2d
-   @ get the mdrefr settings
-   ldr     r3,  =CONFIG_SYS_MDREFR_VAL
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-
-   @  Step 4
-
-   @ set K0RUN for CPLD clock
-   @
-   orr   r4,  r4,  #0x00002000
-
-   @ set K1RUN for bank 0
-   @
-   orr   r4,  r4,  #0x00010000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-   ldr     r4,  [r1, #MDREFR_OFFSET]
-
-   @ deassert SLFRSH
-   @
-   bic     r4,  r4,  #0x00400000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-
-   @ assert E1PIN
-   @
-   orr     r4,  r4,  #0x00008000
-
-   @ write back mdrefr
-   @
-   str     r4,  [r1, #MDREFR_OFFSET]
-   ldr     r4,  [r1, #MDREFR_OFFSET]
-   nop
-   nop
-#endif
-
-   @ Step 4d
-   @ fetch platform value of mdcnfg
-   @
-   ldr     r2,  =CONFIG_SYS_MDCNFG_VAL
-
-   @ disable all sdram banks
-   @
-   bic     r2,  r2,  #(MDCNFG_DE0 | MDCNFG_DE1)
-   bic     r2,  r2,  #(MDCNFG_DE2 | MDCNFG_DE3)
-
-   @ program banks 0/1 for bus width
-   @
-   bic   r2,  r2,  #MDCNFG_DWID0      @0=32-bit
-
-   @ write initial value of mdcnfg, w/o enabling sdram banks
-   @
-   str     r2,  [r1, #MDCNFG_OFFSET]
-
-   @ Step 4e
-   @ pause for 200 uSecs
-   @
-   ldr r3, =OSCR       @ reset the OS Timer Count to zero
-   mov r2, #0
-   str r2, [r3]
-   ldr r4, =0x300			@ really 0x2E1 is about 200usec, so 0x300 should be plenty
-1:
-   ldr r2, [r3]
-   cmp r4, r2
-   bgt 1b
-
-   /*SET_LED 5 */
-
-   /* Why is this here??? */
-   mov    r0, #0x78                @turn everything off
-   mcr    p15, 0, r0, c1, c0, 0      @(caches off, MMU off, etc.)
-
-   @ Step 4f
-   @ Access memory *not yet enabled* for CBR refresh cycles (8)
-   @ - CBR is generated for all banks
-
-   ldr     r2, =CONFIG_SYS_DRAM_BASE
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-   str     r2, [r2]
-
-   @ Step 4g
-   @get memory controller base address
-   @
-   ldr     r1,  =MEMC_BASE
-
-   @fetch current mdcnfg value
-   @
-   ldr     r3,  [r1, #MDCNFG_OFFSET]
-
-   @enable sdram bank 0 if installed (must do for any populated bank)
-   @
-   orr     r3,  r3,  #MDCNFG_DE0
-
-   @write back mdcnfg, enabling the sdram bank(s)
-   @
-   str     r3,  [r1, #MDCNFG_OFFSET]
-
-   @ Step 4h
-   @ write mdmrs
-   @
-   ldr     r2,  =CONFIG_SYS_MDMRS_VAL
-   str     r2,  [r1, #MDMRS_OFFSET]
-
-   @ Done Memory Init
-
-   /*SET_LED 6 */
-
-   @********************************************************************
-   @ Disable (mask) all interrupts at the interrupt controller
-   @
-
-   @ clear the interrupt level register (use IRQ, not FIQ)
-   @
-   mov     r1, #0
-   ldr     r2,  =ICLR
-   str     r1,  [r2]
-
-   @ Set interrupt mask register
-   @
-   ldr     r1,  =CONFIG_SYS_ICMR_VAL
-   ldr     r2,  =ICMR
-   str     r1,  [r2]
-
-   @ ********************************************************************
-   @ Disable the peripheral clocks, and set the core clock
-   @
-
-	@ Turn Off ALL on-chip peripheral clocks for re-configuration
-	@
-   ldr     r1,  =CKEN
-   mov     r2,  #0
-   str     r2,  [r1]
-
-   @ set core clocks
-   @
-   ldr     r2,  =CONFIG_SYS_CCCR_VAL
-   ldr     r1,  =CCCR
-   str     r2,  [r1]
-
-#ifdef ENABLE32KHZ
-   @ enable the 32Khz oscillator for RTC and PowerManager
-   @
-   ldr     r1,  =OSCC
-   mov     r2,  #OSCC_OON
-   str     r2,  [r1]
-
-   @ NOTE:  spin here until OSCC.OOK get set,
-   @        meaning the PLL has settled.
-   @
-60:
-   ldr     r2, [r1]
-   ands    r2, r2, #1
-   beq     60b
-#endif
-
-	@ Turn on needed clocks
-	@
-   ldr     r1,  =CKEN
-   ldr     r2,  =CONFIG_SYS_CKEN_VAL
-   str     r2,  [r1]
-
-   /*SET_LED 7 */
-
-/* Is this needed???? */
-#define NODEBUG
-#ifdef NODEBUG
-   /*Disable software and data breakpoints */
-   mov   r0,#0
-   mcr   p15,0,r0,c14,c8,0  /* ibcr0 */
-   mcr   p15,0,r0,c14,c9,0  /* ibcr1 */
-   mcr   p15,0,r0,c14,c4,0  /* dbcon */
-
-   /*Enable all debug functionality */
-   mov   r0,#0x80000000
-   mcr   p14,0,r0,c10,c0,0  /* dcsr */
-
-#endif
-
-   /*SET_LED 8 */
-
-   mov   pc, r10
-
-@ End lowlevel_init
diff --git a/include/configs/cradle.h b/include/configs/cradle.h
index d1c1a48..3da3562 100644
--- a/include/configs/cradle.h
+++ b/include/configs/cradle.h
@@ -39,7 +39,7 @@
 
 /* we will never enable dcache, because we have to setup MMU first */
 #define CONFIG_SYS_NO_DCACHE
-
+#define	CONFIG_SYS_TEXT_BASE		0x0
 /*
  * Size of malloc() pool
  */
@@ -126,15 +126,9 @@
 /*
  * Physical Memory Map
  */
-#define CONFIG_NR_DRAM_BANKS    4          /* we have 2 banks of DRAM */
+#define CONFIG_NR_DRAM_BANKS    1          /* we have 1 bank of DRAM */
 #define PHYS_SDRAM_1            0xa0000000 /* SDRAM Bank #1 */
 #define PHYS_SDRAM_1_SIZE       0x01000000 /* 64 MB */
-#define PHYS_SDRAM_2            0xa4000000 /* SDRAM Bank #2 */
-#define PHYS_SDRAM_2_SIZE       0x00000000 /* 0 MB */
-#define PHYS_SDRAM_3            0xa8000000 /* SDRAM Bank #3 */
-#define PHYS_SDRAM_3_SIZE       0x00000000 /* 0 MB */
-#define PHYS_SDRAM_4            0xac000000 /* SDRAM Bank #4 */
-#define PHYS_SDRAM_4_SIZE       0x00000000 /* 0 MB */
 
 #define PHYS_FLASH_1            0x00000000 /* Flash Bank #1 */
 #define PHYS_FLASH_2            0x04000000 /* Flash Bank #1 */
@@ -289,9 +283,9 @@
  * Clocks, power control and interrupts
  */
 #define CONFIG_SYS_PSSR_VAL        0x00000020
-#define CONFIG_SYS_CCCR_VAL        0x00000141  /* 100 MHz memory, 200 MHz CPU  */
-#define CONFIG_SYS_CKEN_VAL        0x00000060  /* FFUART and STUART enabled    */
-#define CONFIG_SYS_ICMR_VAL        0x00000000  /* No interrupts enabled        */
+#define CONFIG_SYS_CCCR        0x00000141  /* 100 MHz memory, 200 MHz CPU  */
+#define CONFIG_SYS_CKEN        0x00000060  /* FFUART and STUART enabled    */
+#define CONFIG_SYS_ICMR        0x00000000  /* No interrupts enabled        */
 
 /* FIXME
  *
@@ -319,6 +313,8 @@
 #define CONFIG_SYS_MDMRS_VAL       0x00000000
 #define CONFIG_SYS_MDREFR_VAL      0x00403018  /* Initial setting, individual bits set in lowlevel_init.S */
 #endif
+#define	CONFIG_SYS_FLYCNFG_VAL		0x00000000
+#define	CONFIG_SYS_SXCNFG_VAL		0x00000000
 
 /*
  * PCMCIA and CF Interfaces (NOT USED, these values from lubbock init)
diff --git a/include/configs/csb226.h b/include/configs/csb226.h
index ae05734..169ec34 100644
--- a/include/configs/csb226.h
+++ b/include/configs/csb226.h
@@ -458,6 +458,9 @@
 
 #define CONFIG_SYS_PSSR_VAL        0x20
 
+#define	CONFIG_SYS_CCCR			CCCR_L27|CCCR_M2|CCCR_N10
+#define	CONFIG_SYS_CKEN			0x0
+
 /*
  * Memory settings
  */
-- 
1.7.1



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