VCMA9: various cleanups/code style fixes
Signed-off-by: David Müller <d.mueller@elsoft.ch>
diff --git a/board/mpl/vcma9/Makefile b/board/mpl/vcma9/Makefile
index 59c25f9..6228762 100644
--- a/board/mpl/vcma9/Makefile
+++ b/board/mpl/vcma9/Makefile
@@ -28,8 +28,8 @@
LIB = $(obj)lib$(BOARD).o
-COBJS := vcma9.o cmd_vcma9.o
-COBJS += ../common/common_util.o
+COBJS := ../common/common_util.o
+COBJS += $(BOARD).o cmd_$(BOARD).o
SOBJS := lowlevel_init.o
diff --git a/board/mpl/vcma9/cmd_vcma9.c b/board/mpl/vcma9/cmd_vcma9.c
index 0d5f46e..fa49918 100644
--- a/board/mpl/vcma9/cmd_vcma9.c
+++ b/board/mpl/vcma9/cmd_vcma9.c
@@ -43,15 +43,6 @@
DECLARE_GLOBAL_DATA_PTR;
-extern void print_vcma9_info(void);
-extern int vcma9_cantest(int);
-extern int vcma9_nandtest(void);
-extern int vcma9_nanderase(void);
-extern int vcma9_nandread(ulong);
-extern int vcma9_nandwrite(ulong);
-extern int vcma9_dactest(int);
-extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
-
/* ------------------------------------------------------------------------- */
int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
@@ -60,7 +51,7 @@
char cs8900_name[10];
if (strcmp(argv[1], "info") == 0)
{
- print_vcma9_info();
+ vcma9_print_info();
return 0;
}
#if defined(CONFIG_CS8900)
@@ -133,48 +124,6 @@
return 0;
}
#endif
-#if 0
- if (strcmp(argv[1], "cantest") == 0) {
- if (argc >= 3)
- vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);
- else
- vcma9_cantest(0);
- return 0;
- }
- if (strcmp(argv[1], "nandtest") == 0) {
- vcma9_nandtest();
- return 0;
- }
- if (strcmp(argv[1], "nanderase") == 0) {
- vcma9_nanderase();
- return 0;
- }
- if (strcmp(argv[1], "nandread") == 0) {
- ulong offset = 0;
-
- if (argc >= 3)
- offset = simple_strtoul(argv[2], NULL, 16);
-
- vcma9_nandread(offset);
- return 0;
- }
- if (strcmp(argv[1], "nandwrite") == 0) {
- ulong offset = 0;
-
- if (argc >= 3)
- offset = simple_strtoul(argv[2], NULL, 16);
-
- vcma9_nandwrite(offset);
- return 0;
- }
- if (strcmp(argv[1], "dactest") == 0) {
- if (argc >= 3)
- vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);
- else
- vcma9_dactest(0);
- return 0;
- }
-#endif
return (do_mplcommon(cmdtp, flag, argc, argv));
}
@@ -182,5 +131,6 @@
U_BOOT_CMD(
vcma9, 6, 1, do_vcma9,
"VCMA9 specific commands",
- "flash mem [SrcAddr]\n - updates U-Boot with image in memory"
+ "flash mem [SrcAddr] - updates U-Boot with image in memory\n"
+ "vcma9 info - displays board information"
);
diff --git a/board/mpl/vcma9/lowlevel_init.S b/board/mpl/vcma9/lowlevel_init.S
index 062e868..dadaac7 100644
--- a/board/mpl/vcma9/lowlevel_init.S
+++ b/board/mpl/vcma9/lowlevel_init.S
@@ -4,9 +4,9 @@
* Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
* Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
*
- * Modified for the Samsung SMDK2410 by
- * (C) Copyright 2002
+ * Modified for MPL VCMA9 by
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ * (C) Copyright 2002, 2003, 2004, 2005
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -32,12 +32,21 @@
#include <version.h>
-/* some parameters for the board */
+/* register definitions */
+#define PLD_BASE 0x28000000
+#define MISC_REG 0x103
+#define SDRAM_REG 0x106
#define BWSCON 0x48000000
-#define PLD_BASE 0x2C000000
-#define SDRAM_REG 0x2C000106
+#define CLKBASE 0x4C000000
+#define LOCKTIME 0x0
+#define MPLLCON 0x4
+#define UPLLCON 0x8
+#define GPIOBASE 0x56000000
+#define GSTATUS1 0xB0
+#define FASTCPU 0x02
+/* some parameters for the board */
/* BWSCON */
#define DW8 (0x0)
#define DW16 (0x1)
@@ -48,83 +57,160 @@
/* BANKSIZE */
#define BURST_EN (0x1<<7)
-#define B1_BWSCON (DW16)
-#define B2_BWSCON (DW32)
-#define B3_BWSCON (DW32)
-#define B4_BWSCON (DW16 + WAIT + UBLB)
-#define B5_BWSCON (DW8 + UBLB)
-#define B6_BWSCON (DW32)
-#define B7_BWSCON (DW32)
+/* BANK0CON 200 */
+#define B0_Tacs_200 0x0 /* 0clk (or 0x1 1clk) */
+#define B0_Tcos_200 0x1 /* 1clk (or 0x2 2clk) */
+#define B0_Tacc_200 0x5 /* 8clk (or 0x6 10clk) */
+#define B0_Tcoh_200 0x0 /* 0clk */
+#define B0_Tcah_200 0x3 /* 4clk (or0x01 1clk) */
+#define B0_Tacp_200 0x0 /* page mode is not used */
+#define B0_PMC_200 0x0 /* page mode disabled */
-/* BANK0CON */
-#define B0_Tacs 0x0 /* 0clk */
-#define B0_Tcos 0x1 /* 1clk */
-/*#define B0_Tcos 0x0 0clk */
-#define B0_Tacc 0x7 /* 14clk */
-/*#define B0_Tacc 0x5 8clk */
-#define B0_Tcoh 0x0 /* 0clk */
-#define B0_Tah 0x0 /* 0clk */
-#define B0_Tacp 0x0 /* page mode is not used */
-#define B0_PMC 0x0 /* page mode disabled */
+/* BANK0CON 250 */
+#define B0_Tacs_250 0x0 /* 0clk (or 0x1 1clk) */
+#define B0_Tcos_250 0x1 /* 1clk (or 0x2 2clk) */
+#define B0_Tacc_250 0x5 /* 8clk (or 0x7 14clk) */
+#define B0_Tcoh_250 0x0 /* 0clk */
+#define B0_Tcah_250 0x3 /* 4clk (or 0x1 1clk) */
+#define B0_Tacp_250 0x0 /* page mode is not used */
+#define B0_PMC_250 0x0 /* page mode disabled */
-/* BANK1CON */
-#define B1_Tacs 0x0 /* 0clk */
-#define B1_Tcos 0x1 /* 1clk */
-/*#define B1_Tcos 0x0 0clk */
-#define B1_Tacc 0x7 /* 14clk */
-/*#define B1_Tacc 0x5 8clk */
-#define B1_Tcoh 0x0 /* 0clk */
-#define B1_Tah 0x0 /* 0clk */
-#define B1_Tacp 0x0 /* page mode is not used */
-#define B1_PMC 0x0 /* page mode disabled */
+/* BANK0CON 266 */
+#define B0_Tacs_266 0x0 /* 0clk (or 0x1 1clk) */
+#define B0_Tcos_266 0x1 /* 1clk (or 0x2 2clk) */
+#define B0_Tacc_266 0x6 /* 10clk (or 0x7 14clk) */
+#define B0_Tcoh_266 0x0 /* 0clk */
+#define B0_Tcah_266 0x3 /* 4clk (or 0x1 1clk) */
+#define B0_Tacp_266 0x0 /* page mode is not used */
+#define B0_PMC_266 0x0 /* page mode disabled */
+/* BANK1CON 200 */
+#define B1_Tacs_200 0x0 /* 0clk (or 0x1 1clk) */
+#define B1_Tcos_200 0x1 /* 1clk (or 0x2 2clk) */
+#define B1_Tacc_200 0x5 /* 8clk (or 0x6 10clk) */
+#define B1_Tcoh_200 0x0 /* 0clk */
+#define B1_Tcah_200 0x3 /* 4clk (or 0x1 1clk) */
+#define B1_Tacp_200 0x0 /* page mode is not used */
+#define B1_PMC_200 0x0 /* page mode disabled */
+
+/* BANK1CON 250 */
+#define B1_Tacs_250 0x0 /* 0clk (or 0x1 1clk) */
+#define B1_Tcos_250 0x1 /* 1clk (or 0x2 2clk) */
+#define B1_Tacc_250 0x5 /* 8clk (or 0x7 14clk) */
+#define B1_Tcoh_250 0x0 /* 0clk */
+#define B1_Tcah_250 0x3 /* 4clk (or 0x1 1clk) */
+#define B1_Tacp_250 0x0 /* page mode is not used */
+#define B1_PMC_250 0x0 /* page mode disabled */
+
+/* BANK1CON 266 */
+#define B1_Tacs_266 0x0 /* 0clk (or 0x1 1clk) */
+#define B1_Tcos_266 0x1 /* 1clk (or 0x2 2clk) */
+#define B1_Tacc_266 0x6 /* 10clk (or 0x7 14clk) */
+#define B1_Tcoh_266 0x0 /* 0clk */
+#define B1_Tcah_266 0x3 /* 4clk (or 0x1 1clk) */
+#define B1_Tacp_266 0x0 /* page mode is not used */
+#define B1_PMC_266 0x0 /* page mode disabled */
+
+/* BANK2CON 200 + 250 + 266 */
#define B2_Tacs 0x3 /* 4clk */
#define B2_Tcos 0x3 /* 4clk */
#define B2_Tacc 0x7 /* 14clk */
#define B2_Tcoh 0x3 /* 4clk */
-#define B2_Tah 0x3 /* 4clk */
+#define B2_Tcah 0x3 /* 4clk */
#define B2_Tacp 0x0 /* page mode is not used */
#define B2_PMC 0x0 /* page mode disabled */
+/* BANK3CON 200 + 250 + 266 */
#define B3_Tacs 0x3 /* 4clk */
#define B3_Tcos 0x3 /* 4clk */
#define B3_Tacc 0x7 /* 14clk */
#define B3_Tcoh 0x3 /* 4clk */
-#define B3_Tah 0x3 /* 4clk */
+#define B3_Tcah 0x3 /* 4clk */
#define B3_Tacp 0x0 /* page mode is not used */
#define B3_PMC 0x0 /* page mode disabled */
-#define B4_Tacs 0x3 /* 4clk */
-#define B4_Tcos 0x1 /* 1clk */
-#define B4_Tacc 0x7 /* 14clk */
-#define B4_Tcoh 0x1 /* 1clk */
-#define B4_Tah 0x0 /* 0clk */
-#define B4_Tacp 0x0 /* page mode is not used */
-#define B4_PMC 0x0 /* page mode disabled */
+/* BANK4CON 200 */
+#define B4_Tacs_200 0x1 /* 1clk */
+#define B4_Tcos_200 0x3 /* 4clk */
+#define B4_Tacc_200 0x7 /* 14clk */
+#define B4_Tcoh_200 0x3 /* 4clk */
+#define B4_Tcah_200 0x2 /* 2clk */
+#define B4_Tacp_200 0x0 /* page mode is not used */
+#define B4_PMC_200 0x0 /* page mode disabled */
-#define B5_Tacs 0x0 /* 0clk */
-#define B5_Tcos 0x3 /* 4clk */
-#define B5_Tacc 0x5 /* 8clk */
-#define B5_Tcoh 0x2 /* 2clk */
-#define B5_Tah 0x1 /* 1clk */
-#define B5_Tacp 0x0 /* page mode is not used */
-#define B5_PMC 0x0 /* page mode disabled */
+/* BANK4CON 250 */
+#define B4_Tacs_250 0x1 /* 1clk */
+#define B4_Tcos_250 0x3 /* 4clk */
+#define B4_Tacc_250 0x7 /* 14clk */
+#define B4_Tcoh_250 0x3 /* 4clk */
+#define B4_Tcah_250 0x2 /* 2clk */
+#define B4_Tacp_250 0x0 /* page mode is not used */
+#define B4_PMC_250 0x0 /* page mode disabled */
+
+/* BANK4CON 266 */
+#define B4_Tacs_266 0x1 /* 1clk */
+#define B4_Tcos_266 0x3 /* 4clk */
+#define B4_Tacc_266 0x7 /* 14clk */
+#define B4_Tcoh_266 0x3 /* 4clk */
+#define B4_Tcah_266 0x2 /* 2clk */
+#define B4_Tacp_266 0x0 /* page mode is not used */
+#define B4_PMC_266 0x0 /* page mode disabled */
+
+/* BANK5CON 200 */
+#define B5_Tacs_200 0x0 /* 0clk */
+#define B5_Tcos_200 0x3 /* 4clk */
+#define B5_Tacc_200 0x4 /* 6clk */
+#define B5_Tcoh_200 0x3 /* 4clk */
+#define B5_Tcah_200 0x1 /* 1clk */
+#define B5_Tacp_200 0x0 /* page mode is not used */
+#define B5_PMC_200 0x0 /* page mode disabled */
+
+/* BANK5CON 250 */
+#define B5_Tacs_250 0x0 /* 0clk */
+#define B5_Tcos_250 0x3 /* 4clk */
+#define B5_Tacc_250 0x5 /* 8clk */
+#define B5_Tcoh_250 0x3 /* 4clk */
+#define B5_Tcah_250 0x1 /* 1clk */
+#define B5_Tacp_250 0x0 /* page mode is not used */
+#define B5_PMC_250 0x0 /* page mode disabled */
+
+/* BANK5CON 266 */
+#define B5_Tacs_266 0x0 /* 0clk */
+#define B5_Tcos_266 0x3 /* 4clk */
+#define B5_Tacc_266 0x5 /* 8clk */
+#define B5_Tcoh_266 0x3 /* 4clk */
+#define B5_Tcah_266 0x1 /* 1clk */
+#define B5_Tacp_266 0x0 /* page mode is not used */
+#define B5_PMC_266 0x0 /* page mode disabled */
#define B6_MT 0x3 /* SDRAM */
-#define B6_Trcd 0x1 /* 3clk */
+#define B6_Trcd_200 0x0 /* 2clk */
+#define B6_Trcd_250 0x1 /* 3clk */
+#define B6_Trcd_266 0x1 /* 3clk */
#define B6_SCAN 0x2 /* 10bit */
#define B7_MT 0x3 /* SDRAM */
-#define B7_Trcd 0x1 /* 3clk */
+#define B7_Trcd_200 0x0 /* 2clk */
+#define B7_Trcd_250 0x1 /* 3clk */
+#define B7_Trcd_266 0x1 /* 3clk */
#define B7_SCAN 0x2 /* 10bit */
/* REFRESH parameter */
#define REFEN 0x1 /* Refresh enable */
#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
-#define Trp 0x0 /* 2clk */
-#define Trc 0x3 /* 7clk */
-#define Tchr 0x2 /* 3clk */
-#define REFCNT 1113 /* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
+#define Trp_200 0x0 /* 2clk */
+#define Trp_250 0x1 /* 3clk */
+#define Trp_266 0x1 /* 3clk */
+#define Tsrc_200 0x1 /* 5clk */
+#define Tsrc_250 0x2 /* 6clk */
+#define Tsrc_266 0x3 /* 7clk */
+
+/* period=15.6us, HCLK=100Mhz, (2048+1-15.6*100) */
+#define REFCNT_200 489
+/* period=15.6us, HCLK=125Mhz, (2048+1-15.6*125) */
+#define REFCNT_250 99
+/* period=15.6us, HCLK=133Mhz, (2048+1-15.6*133) */
+#define REFCNT_266 0
/**************************************/
_TEXT_BASE:
@@ -132,81 +218,304 @@
.globl lowlevel_init
lowlevel_init:
+ /* use r0 to relocate DATA read/write to flash rather than memory ! */
+ ldr r0, _TEXT_BASE
+ ldr r13, =BWSCON
+
+ /* enable minimal access to PLD */
+ ldr r1, [r13] /* load default BWSCON */
+ orr r1, r1, #(DW8 + UBLB) << 20 /* set necessary CS attrs */
+ str r1, [r13] /* set BWSCON */
+ ldr r1, =0x7FF0 /* select slowest timing */
+ str r1, [r13, #0x18] /* set BANKCON5 */
+
+ ldr r1, =PLD_BASE
+ ldr r2, =SETUPDATA
+ ldrb r1, [r1, #MISC_REG]
+ sub r2, r2, r0
+ tst r1, #FASTCPU /* FASTCPU available ? */
+ addeq r2, r2, #SETUPENTRY_SIZE
+
/* memory control configuration */
- /* make r0 relative the current location so that it */
- /* reads SMRDATA out of FLASH rather than memory ! */
- ldr r0, =CSDATA
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- ldr r1, =BWSCON /* Bus Width Status Controller */
- add r2, r0, #CSDATA_END-CSDATA
+ /* r2 = pointer into timing table */
+ /* r13 = pointer to MEM controller regs (starting with BWSCON) */
+ add r3, r2, #CSDATA_OFFSET
+ add r4, r3, #CSDATAENTRY_SIZE
0:
- ldr r3, [r0], #4
- str r3, [r1], #4
- cmp r2, r0
+ ldr r1, [r3], #4
+ str r1, [r13], #4
+ cmp r3, r4
bne 0b
/* PLD access is now possible */
- /* r0 == SDRAMDATA */
- /* r1 == SDRAM controller regs */
- ldr r2, =PLD_BASE
- ldrb r3, [r2, #SDRAM_REG-PLD_BASE]
- mov r4, #SDRAMDATA1_END-SDRAMDATA
+ /* r3 = SDRAMDATA
+ /* r13 = pointer to MEM controller regs */
+ ldr r1, =PLD_BASE
+ mov r4, #SDRAMENTRY_SIZE
+ ldrb r1, [r1, #SDRAM_REG]
/* calculate start and end point */
- mla r0, r3, r4, r0
- add r2, r0, r4
+ mla r3, r4, r1, r3
+ add r4, r3, r4
0:
- ldr r3, [r0], #4
- str r3, [r1], #4
- cmp r2, r0
+ ldr r1, [r3], #4
+ str r1, [r13], #4
+ cmp r3, r4
bne 0b
+ /* setup MPLL registers */
+ ldr r1, =CLKBASE
+ ldr r4, =0xFFFFFF
+ add r3, r2, #4 /* r3 points to PLL values */
+ str r4, [r1, #LOCKTIME]
+ ldmia r3, {r4,r5}
+ str r5, [r1, #UPLLCON] /* writing PLL register */
+ /* !! order seems to be important !! */
+ /* a little delay */
+ ldr r3, =0x4000
+0:
+ subs r3, r3, #1
+ bne 0b
+
+ str r4, [r1, #MPLLCON] /* writing PLL register */
+ /* !! order seems to be important !! */
+ /* a little delay */
+ ldr r3, =0x4000
+0:
+ subs r3, r3, #1
+ bne 0b
+
/* everything is fine now */
mov pc, lr
.ltorg
/* the literal pools origin */
-CSDATA:
- .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
- .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
- .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
- .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
- .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
- .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
- .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
-CSDATA_END:
+#define MK_BWSCON(bws1, bws2, bws3, bws4, bws5, bws6, bws7) \
+ ((bws1) << 4) + \
+ ((bws2) << 8) + \
+ ((bws3) << 12) + \
+ ((bws4) << 16) + \
+ ((bws5) << 20) + \
+ ((bws6) << 24) + \
+ ((bws7) << 28)
-SDRAMDATA:
-/* 4Mx8x4 */
- .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
- .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
- .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
- .word 0x32 + BURST_EN
- .word 0x30
- .word 0x30
-SDRAMDATA1_END:
+#define MK_BANKCON(tacs, tcos, tacc, tcoh, tcah, tacp, pmc) \
+ ((tacs) << 13) + \
+ ((tcos) << 11) + \
+ ((tacc) << 8) + \
+ ((tcoh) << 6) + \
+ ((tcah) << 4) + \
+ ((tacp) << 2) + \
+ (pmc)
-/* 8Mx8x4 (not implemented yet) */
- .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
- .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
- .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
- .word 0x32 + BURST_EN
- .word 0x30
- .word 0x30
+#define MK_BANKCON_SDRAM(trcd, scan) \
+ ((0x03) << 15) + \
+ ((trcd) << 2) + \
+ (scan)
-/* 2Mx8x4 (not implemented yet) */
- .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
- .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
- .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
- .word 0x32 + BURST_EN
- .word 0x30
- .word 0x30
+#define MK_SDRAM_REFRESH(enable, trefmd, trp, tsrc, cnt) \
+ ((enable) << 23) + \
+ ((trefmd) << 22) + \
+ ((trp) << 20) + \
+ ((tsrc) << 18) + \
+ (cnt)
-/* 4Mx8x2 (not implemented yet) */
- .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
- .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
- .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
- .word 0x32 + BURST_EN
- .word 0x30
- .word 0x30
+SETUPDATA:
+ .word 0x32410002
+ /* PLL values (MDIV, PDIV, SDIV) for 250 MHz */
+ .word (0x75 << 12) + (0x01 << 4) + (0x01 << 0)
+ /* PLL values for USB clock */
+ .word (0x48 << 12) + (0x03 << 4) + (0x02 << 0)
+
+ /* timing for 250 MHz*/
+0:
+ .equiv CSDATA_OFFSET, (. - SETUPDATA)
+ .word MK_BWSCON(DW16, \
+ DW32, \
+ DW32, \
+ DW16 + WAIT + UBLB, \
+ DW8 + UBLB, \
+ DW32, \
+ DW32)
+
+ .word MK_BANKCON(B0_Tacs_250, \
+ B0_Tcos_250, \
+ B0_Tacc_250, \
+ B0_Tcoh_250, \
+ B0_Tcah_250, \
+ B0_Tacp_250, \
+ B0_PMC_250)
+
+ .word MK_BANKCON(B1_Tacs_250, \
+ B1_Tcos_250, \
+ B1_Tacc_250, \
+ B1_Tcoh_250, \
+ B1_Tcah_250, \
+ B1_Tacp_250, \
+ B1_PMC_250)
+
+ .word MK_BANKCON(B2_Tacs, \
+ B2_Tcos, \
+ B2_Tacc, \
+ B2_Tcoh, \
+ B2_Tcah, \
+ B2_Tacp, \
+ B2_PMC)
+
+ .word MK_BANKCON(B3_Tacs, \
+ B3_Tcos, \
+ B3_Tacc, \
+ B3_Tcoh, \
+ B3_Tcah, \
+ B3_Tacp, \
+ B3_PMC)
+
+ .word MK_BANKCON(B4_Tacs_250, \
+ B4_Tcos_250, \
+ B4_Tacc_250, \
+ B4_Tcoh_250, \
+ B4_Tcah_250, \
+ B4_Tacp_250, \
+ B4_PMC_250)
+
+ .word MK_BANKCON(B5_Tacs_250, \
+ B5_Tcos_250, \
+ B5_Tacc_250, \
+ B5_Tcoh_250, \
+ B5_Tcah_250, \
+ B5_Tacp_250, \
+ B5_PMC_250)
+
+ .equiv CSDATAENTRY_SIZE, (. - 0b)
+ /* 4Mx8x4 */
+0:
+ .word MK_BANKCON_SDRAM(B6_Trcd_250, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_250, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_250, Tsrc_250, REFCNT_250)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+ .equiv SDRAMENTRY_SIZE, (. - 0b)
+
+ /* 8Mx8x4 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_250, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_250, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_250, Tsrc_250, REFCNT_250)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ /* 2Mx8x4 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_250, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_250, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_250, Tsrc_250, REFCNT_250)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ /* 4Mx8x2 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_250, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_250, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_250, Tsrc_250, REFCNT_250)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ .equiv SETUPENTRY_SIZE, (. - SETUPDATA)
+
+ .word 0x32410000
+ /* PLL values (MDIV, PDIV, SDIV) for 200 MHz (Fout = 202.8MHz) */
+ .word (0xA1 << 12) + (0x03 << 4) + (0x01 << 0)
+ /* PLL values for USB clock */
+ .word (0x48 << 12) + (0x03 << 4) + (0x02 << 0)
+
+ /* timing for 200 MHz and default*/
+ .word MK_BWSCON(DW16, \
+ DW32, \
+ DW32, \
+ DW16 + WAIT + UBLB, \
+ DW8 + UBLB, \
+ DW32, \
+ DW32)
+
+ .word MK_BANKCON(B0_Tacs_200, \
+ B0_Tcos_200, \
+ B0_Tacc_200, \
+ B0_Tcoh_200, \
+ B0_Tcah_200, \
+ B0_Tacp_200, \
+ B0_PMC_200)
+
+ .word MK_BANKCON(B1_Tacs_200, \
+ B1_Tcos_200, \
+ B1_Tacc_200, \
+ B1_Tcoh_200, \
+ B1_Tcah_200, \
+ B1_Tacp_200, \
+ B1_PMC_200)
+
+ .word MK_BANKCON(B2_Tacs, \
+ B2_Tcos, \
+ B2_Tacc, \
+ B2_Tcoh, \
+ B2_Tcah, \
+ B2_Tacp, \
+ B2_PMC)
+
+ .word MK_BANKCON(B3_Tacs, \
+ B3_Tcos, \
+ B3_Tacc, \
+ B3_Tcoh, \
+ B3_Tcah, \
+ B3_Tacp, \
+ B3_PMC)
+
+ .word MK_BANKCON(B4_Tacs_200, \
+ B4_Tcos_200, \
+ B4_Tacc_200, \
+ B4_Tcoh_200, \
+ B4_Tcah_200, \
+ B4_Tacp_200, \
+ B4_PMC_200)
+
+ .word MK_BANKCON(B5_Tacs_200, \
+ B5_Tcos_200, \
+ B5_Tacc_200, \
+ B5_Tcoh_200, \
+ B5_Tcah_200, \
+ B5_Tacp_200, \
+ B5_PMC_200)
+
+ /* 4Mx8x4 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_200, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_200, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_200, Tsrc_200, REFCNT_200)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ /* 8Mx8x4 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_200, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_200, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_200, Tsrc_200, REFCNT_200)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ /* 2Mx8x4 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_200, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_200, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_200, Tsrc_200, REFCNT_200)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ /* 4Mx8x2 */
+ .word MK_BANKCON_SDRAM(B6_Trcd_200, B6_SCAN)
+ .word MK_BANKCON_SDRAM(B7_Trcd_200, B7_SCAN)
+ .word MK_SDRAM_REFRESH(REFEN, TREFMD, Trp_200, Tsrc_200, REFCNT_200)
+ .word 0x32 + BURST_EN
+ .word 0x30
+ .word 0x30
+
+ .equiv SETUPDATA_SIZE, (. - SETUPDATA)
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
index 171a128..e63625b 100644
--- a/board/mpl/vcma9/vcma9.c
+++ b/board/mpl/vcma9/vcma9.c
@@ -3,7 +3,7 @@
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
- * (C) Copyright 2002
+ * (C) Copyright 2002, 2010
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
*
* See file CREDITS for list of people who contributed to this
@@ -27,100 +27,51 @@
#include <common.h>
#include <netdev.h>
-#include <asm/arch/s3c24x0_cpu.h>
-#include <stdio_dev.h>
#include <i2c.h>
+#include <asm/io.h>
+#include <asm/arch/s3c24x0_cpu.h>
#include "vcma9.h"
#include "../common/common_util.h"
DECLARE_GLOBAL_DATA_PTR;
-#define FCLK_SPEED 1
-
-#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
-#define M_MDIV 0xC3
-#define M_PDIV 0x4
-#define M_SDIV 0x1
-#elif FCLK_SPEED==1 /* Fout = 202.8MHz */
-#define M_MDIV 0xA1
-#define M_PDIV 0x3
-#define M_SDIV 0x1
-#endif
-
-#define USB_CLOCK 1
-
-#if USB_CLOCK==0
-#define U_M_MDIV 0xA1
-#define U_M_PDIV 0x3
-#define U_M_SDIV 0x1
-#elif USB_CLOCK==1
-#define U_M_MDIV 0x48
-#define U_M_PDIV 0x3
-#define U_M_SDIV 0x2
-#endif
-
-static inline void delay(unsigned long loops)
-{
- __asm__ volatile ("1:\n"
- "subs %0, %1, #1\n"
- "bne 1b":"=r" (loops):"0" (loops));
-}
-
/*
* Miscellaneous platform dependent initialisations
*/
-int board_init(void)
+int board_early_init_f(void)
{
- struct s3c24x0_clock_power * const clk_power =
- s3c24x0_get_base_clock_power();
struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
- /* to reduce PLL lock time, adjust the LOCKTIME register */
- clk_power->locktime = 0xFFFFFF;
-
- /* configure MPLL */
- clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
-
- /* some delay between MPLL and UPLL */
- delay (4000);
-
- /* configure UPLL */
- clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
-
- /* some delay between MPLL and UPLL */
- delay (8000);
-
/* set up the I/O ports */
- gpio->gpacon = 0x007FFFFF;
- gpio->gpbcon = 0x002AAAAA;
- gpio->gpbup = 0x000002BF;
- gpio->gpccon = 0xAAAAAAAA;
- gpio->gpcup = 0x0000FFFF;
- gpio->gpdcon = 0xAAAAAAAA;
- gpio->gpdup = 0x0000FFFF;
- gpio->gpecon = 0xAAAAAAAA;
- gpio->gpeup = 0x000037F7;
- gpio->gpfcon = 0x00000000;
- gpio->gpfup = 0x00000000;
- gpio->gpgcon = 0xFFEAFF5A;
- gpio->gpgup = 0x0000F0DC;
- gpio->gphcon = 0x0028AAAA;
- gpio->gphup = 0x00000656;
+ writel(0x007FFFFF, &gpio->gpacon);
+ writel(0x002AAAAA, &gpio->gpbcon);
+ writel(0x000002BF, &gpio->gpbup);
+ writel(0xAAAAAAAA, &gpio->gpccon);
+ writel(0x0000FFFF, &gpio->gpcup);
+ writel(0xAAAAAAAA, &gpio->gpdcon);
+ writel(0x0000FFFF, &gpio->gpdup);
+ writel(0xAAAAAAAA, &gpio->gpecon);
+ writel(0x000037F7, &gpio->gpeup);
+ writel(0x00000000, &gpio->gpfcon);
+ writel(0x00000000, &gpio->gpfup);
+ writel(0xFFEAFF5A, &gpio->gpgcon);
+ writel(0x0000F0DC, &gpio->gpgup);
+ writel(0x0028AAAA, &gpio->gphcon);
+ writel(0x00000656, &gpio->gphup);
- /* setup correct IRQ modes for NIC */
- /* rising edge mode */
- gpio->extint2 = (gpio->extint2 & ~(7<<8)) | (4<<8);
+ /* setup correct IRQ modes for NIC (rising edge mode) */
+ writel((readl(&gpio->extint2) & ~(7<<8)) | (4<<8), &gpio->extint2);
- /* select USB port 2 to be host or device (fix to host for now) */
- gpio->misccr |= 0x08;
+ /* select USB port 2 to be host or device (setup as host for now) */
+ writel(readl(&gpio->misccr) | 0x08, &gpio->misccr);
- /* init serial */
- gd->baudrate = CONFIG_BAUDRATE;
- gd->have_console = 1;
- serial_init();
+ return 0;
+}
+int board_init(void)
+{
/* arch number of VCMA9-Board */
gd->bd->bi_arch_number = MACH_TYPE_MPL_VCMA9;
@@ -134,113 +85,32 @@
}
/*
- * NAND flash initialization.
- */
-#if defined(CONFIG_CMD_NAND)
-extern ulong
-nand_probe(ulong physadr);
-
-
-static inline void NF_Reset(void)
-{
- int i;
-
- NF_SetCE(NFCE_LOW);
- NF_Cmd(0xFF); /* reset command */
- for(i = 0; i < 10; i++); /* tWB = 100ns. */
- NF_WaitRB(); /* wait 200~500us; */
- NF_SetCE(NFCE_HIGH);
-}
-
-
-static inline void NF_Init(void)
-{
-#if 0 /* a little bit too optimistic */
-#define TACLS 0
-#define TWRPH0 3
-#define TWRPH1 0
-#else
-#define TACLS 0
-#define TWRPH0 4
-#define TWRPH1 2
-#endif
-
- NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0));
- /*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */
- /* 1 1 1 1, 1 xxx, r xxx, r xxx */
- /* En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 */
-
- NF_Reset();
-}
-
-void
-nand_init(void)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- NF_Init();
-#ifdef DEBUG
- printf("NAND flash probing at 0x%.8lX\n", (ulong)nand);
-#endif
- printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20);
-}
-#endif
-
-/*
* Get some Board/PLD Info
*/
-static u8 Get_PLD_ID(void)
+static u8 get_pld_reg(enum vcma9_pld_regs reg)
{
- VCMA9_PLD * const pld = VCMA9_get_base_PLD();
-
- return(pld->ID);
+ return readb(VCMA9_PLD_BASE + reg);
}
-static u8 Get_PLD_BOARD(void)
+static u8 get_pld_version(void)
{
- VCMA9_PLD * const pld = VCMA9_get_base_PLD();
-
- return(pld->BOARD);
+ return (get_pld_reg(VCMA9_PLD_ID) >> 4) & 0x0F;
}
-static u8 Get_PLD_SDRAM(void)
+static u8 get_pld_revision(void)
{
- VCMA9_PLD * const pld = VCMA9_get_base_PLD();
-
- return(pld->SDRAM);
+ return get_pld_reg(VCMA9_PLD_ID) & 0x0F;
}
-static u8 Get_PLD_Version(void)
+static uchar get_board_pcb(void)
{
- return((Get_PLD_ID() >> 4) & 0x0F);
+ return ((get_pld_reg(VCMA9_PLD_BOARD) >> 4) & 0x03) + 'A';
}
-static u8 Get_PLD_Revision(void)
+static u8 get_nr_chips(void)
{
- return(Get_PLD_ID() & 0x0F);
-}
-
-#if 0 /* not used */
-static int Get_Board_Config(void)
-{
- u8 config = Get_PLD_BOARD() & 0x03;
-
- if (config == 3)
- return 1;
- else
- return 0;
-}
-#endif
-
-static uchar Get_Board_PCB(void)
-{
- return(((Get_PLD_BOARD() >> 4) & 0x03) + 'A');
-}
-
-static u8 Get_SDRAM_ChipNr(void)
-{
- switch ((Get_PLD_SDRAM() >> 4) & 0x0F) {
+ switch ((get_pld_reg(VCMA9_PLD_SDRAM) >> 4) & 0x0F) {
case 0: return 4;
case 1: return 1;
case 2: return 2;
@@ -248,9 +118,9 @@
}
}
-static ulong Get_SDRAM_ChipSize(void)
+static ulong get_chip_size(void)
{
- switch (Get_PLD_SDRAM() & 0x0F) {
+ switch (get_pld_reg(VCMA9_PLD_SDRAM) & 0x0F) {
case 0: return 16 * (1024*1024);
case 1: return 32 * (1024*1024);
case 2: return 8 * (1024*1024);
@@ -258,9 +128,10 @@
default: return 0;
}
}
-static const char * Get_SDRAM_ChipGeom(void)
+
+static const char *get_chip_geom(void)
{
- switch (Get_PLD_SDRAM() & 0x0F) {
+ switch (get_pld_reg(VCMA9_PLD_SDRAM) & 0x0F) {
case 0: return "4Mx8x4";
case 1: return "8Mx8x4";
case 2: return "2Mx8x4";
@@ -269,23 +140,21 @@
}
}
-static void Show_VCMA9_Info(char *board_name, char *serial)
+static void vcma9_show_info(char *board_name, char *serial)
{
printf("Board: %s SN: %s PCB Rev: %c PLD(%d,%d)\n",
- board_name, serial, Get_Board_PCB(), Get_PLD_Version(), Get_PLD_Revision());
- printf("SDRAM: %d chips %s\n", Get_SDRAM_ChipNr(), Get_SDRAM_ChipGeom());
+ board_name, serial,
+ get_board_pcb(), get_pld_version(), get_pld_revision());
+ printf("SDRAM: %d chips %s\n", get_nr_chips(), get_chip_geom());
}
int dram_init(void)
{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = Get_SDRAM_ChipSize() * Get_SDRAM_ChipNr();
-
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_chip_size() * get_nr_chips();
return 0;
}
-/* ------------------------------------------------------------------------- */
-
/*
* Check Board Identity:
*/
@@ -303,50 +172,35 @@
puts ("### No HW ID - assuming VCMA9");
} else {
b->serial_name[5] = 0;
- Show_VCMA9_Info(b->serial_name, &b->serial_name[6]);
+ vcma9_show_info(b->serial_name, &b->serial_name[6]);
}
} else {
s[5] = 0;
- Show_VCMA9_Info(s, &s[6]);
+ vcma9_show_info(s, &s[6]);
}
- /*printf("\n");*/
- return(0);
+
+ return 0;
}
-
-int last_stage_init(void)
+int board_late_init(void)
{
- checkboard();
- stdio_print_current_devices();
+ /*
+ * check if environment is healthy, otherwise restore values
+ * from shadow copy
+ */
check_env();
return 0;
}
-/***************************************************************************
- * some helping routines
- */
-#if !CONFIG_USB_KEYBOARD
-int overwrite_console(void)
+void vcma9_print_info(void)
{
- /* return TRUE if console should be overwritten */
- return 0;
-}
-#endif
+ char *s = getenv("serial#");
-/************************************************************************
-* Print VCMA9 Info
-************************************************************************/
-void print_vcma9_info(void)
-{
- char s[50];
- int i;
-
- if ((i = getenv_f("serial#", s, 32)) < 0) {
+ if (!s) {
puts ("### No HW ID - assuming VCMA9");
- printf("i %d", i*24);
} else {
s[5] = 0;
- Show_VCMA9_Info(s, &s[6]);
+ vcma9_show_info(s, &s[6]);
}
}
diff --git a/board/mpl/vcma9/vcma9.h b/board/mpl/vcma9/vcma9.h
index 94fd2fa..7c44194 100644
--- a/board/mpl/vcma9/vcma9.h
+++ b/board/mpl/vcma9/vcma9.h
@@ -27,108 +27,19 @@
#include <asm/arch/s3c24x0_cpu.h>
-extern int mem_test(unsigned long start, unsigned long ramsize,int mode);
+extern void vcma9_print_info(void);
+extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag,
+ int argc, char *const argv[]);
-void print_vcma9_info(void);
+/* VCMA9 PLD registers */
+enum vcma9_pld_regs {
+ VCMA9_PLD_ID,
+ VCMA9_PLD_NIC,
+ VCMA9_PLD_CAN,
+ VCMA9_PLD_MISC,
+ VCMA9_PLD_GPCD,
+ VCMA9_PLD_BOARD,
+ VCMA9_PLD_SDRAM
+};
-#if defined(CONFIG_CMD_NAND)
-typedef enum {
- NFCE_LOW,
- NFCE_HIGH
-} NFCE_STATE;
-
-static inline void NF_Conf(u16 conf)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- nand->NFCONF = conf;
-}
-
-static inline void NF_Cmd(u8 cmd)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- nand->NFCMD = cmd;
-}
-
-static inline void NF_CmdW(u8 cmd)
-{
- NF_Cmd(cmd);
- udelay(1);
-}
-
-static inline void NF_Addr(u8 addr)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- nand->NFADDR = addr;
-}
-
-static inline void NF_SetCE(NFCE_STATE s)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- switch (s) {
- case NFCE_LOW:
- nand->NFCONF &= ~(1<<11);
- break;
-
- case NFCE_HIGH:
- nand->NFCONF |= (1<<11);
- break;
- }
-}
-
-static inline void NF_WaitRB(void)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- while (!(nand->NFSTAT & (1<<0)));
-}
-
-static inline void NF_Write(u8 data)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- nand->NFDATA = data;
-}
-
-static inline u8 NF_Read(void)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- return(nand->NFDATA);
-}
-
-static inline void NF_Init_ECC(void)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- nand->NFCONF |= (1<<12);
-}
-
-static inline u32 NF_Read_ECC(void)
-{
- struct s3c2410_nand * const nand = s3c2410_get_base_nand();
-
- return(nand->NFECC);
-}
-
-#endif
-
-/* VCMA9 PLD regsiters */
-typedef struct {
- u8 ID;
- u8 NIC;
- u8 CAN;
- u8 MISC;
- u8 GPCD;
- u8 BOARD;
- u8 SDRAM;
-} /*__attribute__((__packed__))*/ VCMA9_PLD;
-
-#define VCMA9_PLD_BASE 0x2C000100
-static inline VCMA9_PLD *VCMA9_get_base_PLD(void)
-{
- return (VCMA9_PLD * const)VCMA9_PLD_BASE;
-}
+#define VCMA9_PLD_BASE (0x2C000100)