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-rw-r--r--board/mpl/vcma9/cmd_vcma9.c46
-rw-r--r--board/mpl/vcma9/config.mk14
-rw-r--r--board/mpl/vcma9/memsetup.S59
-rw-r--r--board/mpl/vcma9/vcma9.c127
-rw-r--r--board/mpl/vcma9/vcma9.h26
5 files changed, 209 insertions, 63 deletions
diff --git a/board/mpl/vcma9/cmd_vcma9.c b/board/mpl/vcma9/cmd_vcma9.c
index 32fa334..3b04535 100644
--- a/board/mpl/vcma9/cmd_vcma9.c
+++ b/board/mpl/vcma9/cmd_vcma9.c
@@ -41,9 +41,12 @@ static uchar cs8900_chksum(ushort data)
#endif
extern void print_vcma9_info(void);
-extern int vcma9_cantest(void);
+extern int vcma9_cantest(int);
extern int vcma9_nandtest(void);
-extern int vcma9_dactest(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 *argv[]);
/* ------------------------------------------------------------------------- */
@@ -126,18 +129,53 @@ int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
#endif
#if 0
if (strcmp(argv[1], "cantest") == 0) {
- vcma9_cantest();
+ 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) {
- vcma9_dactest();
+ 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));
}
+
+U_BOOT_CMD(
+ vcma9, 6, 1, do_vcma9,
+ "vcma9 - VCMA9 specific commands\n",
+ "flash mem [SrcAddr]\n - updates U-Boot with image in memory\n"
+);
+
diff --git a/board/mpl/vcma9/config.mk b/board/mpl/vcma9/config.mk
index 95d69cc..942d42e 100644
--- a/board/mpl/vcma9/config.mk
+++ b/board/mpl/vcma9/config.mk
@@ -1,5 +1,5 @@
#
-# (C) Copyright 2002
+# (C) Copyright 2002, 2003
# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
#
# MPL VCMA9 board with S3C2410X (ARM920T) cpu
@@ -8,17 +8,17 @@
#
#
-# MPL VCMA9 has 1 bank of 64 MB DRAM
-#
-# 3000'0000 to 3400'0000
+# MPL VCMA9 has 1 bank of minimal 16 MB DRAM
+# from 0x30000000
#
# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
-# optionally with a ramdisk at 3080'0000
+# optionally with a ramdisk at 3040'0000
#
-# we load ourself to 33F8'0000
+# we load ourself to 30F8'0000
#
-# download area is 3300'0000
+# download area is 3080'0000
#
+#TEXT_BASE = 0x30F80000
TEXT_BASE = 0x33F80000
diff --git a/board/mpl/vcma9/memsetup.S b/board/mpl/vcma9/memsetup.S
index 7b4193d..ab65901 100644
--- a/board/mpl/vcma9/memsetup.S
+++ b/board/mpl/vcma9/memsetup.S
@@ -34,7 +34,9 @@
/* some parameters for the board */
-#define BWSCON 0x48000000
+#define BWSCON 0x48000000
+#define PLD_BASE 0x2C000000
+#define SDRAM_REG 0x2C000106
/* BWSCON */
#define DW8 (0x0)
@@ -43,6 +45,9 @@
#define WAIT (0x1<<2)
#define UBLB (0x1<<3)
+/* BANKSIZE */
+#define BURST_EN (0x1<<7)
+
#define B1_BWSCON (DW16)
#define B2_BWSCON (DW32)
#define B3_BWSCON (DW32)
@@ -130,24 +135,39 @@ memsetup:
/* memory control configuration */
/* make r0 relative the current location so that it */
/* reads SMRDATA out of FLASH rather than memory ! */
- ldr r0, =SMRDATA
+ ldr r0, =CSDATA
ldr r1, _TEXT_BASE
sub r0, r0, r1
ldr r1, =BWSCON /* Bus Width Status Controller */
- add r2, r0, #13*4
+ add r2, r0, #CSDATA_END-CSDATA
0:
ldr r3, [r0], #4
str r3, [r1], #4
cmp r2, r0
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
+ /* calculate start and end point */
+ mla r0, r3, r4, r0
+ add r2, r0, r4
+0:
+ ldr r3, [r0], #4
+ str r3, [r1], #4
+ cmp r2, r0
+ bne 0b
+
/* everything is fine now */
mov pc, lr
.ltorg
/* the literal pools origin */
-SMRDATA:
+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))
@@ -155,9 +175,38 @@ SMRDATA:
.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:
+
+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:
+
+/* 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
+
+/* 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
+
+/* 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
+ .word 0x32 + BURST_EN
.word 0x30
.word 0x30
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
index 359e565..33cec02 100644
--- a/board/mpl/vcma9/vcma9.c
+++ b/board/mpl/vcma9/vcma9.c
@@ -130,16 +130,6 @@ int board_init(void)
return 0;
}
-int dram_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
-
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
- return 0;
-}
-
/*
* NAND flash initialization.
*/
@@ -162,9 +152,16 @@ static inline void NF_Reset(void)
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 */
@@ -177,15 +174,12 @@ void
nand_init(void)
{
S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
- unsigned totlen;
NF_Init();
#ifdef DEBUG
printf("NAND flash probing at 0x%.8lX\n", (ulong)nand);
#endif
- totlen = nand_probe((ulong)nand) >> 20;
-
- printf ("%4lu MB\n", totlen >> 20);
+ printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20);
}
#endif
@@ -193,29 +187,40 @@ nand_init(void)
* Get some Board/PLD Info
*/
-static uchar Get_PLD_ID(void)
+static u8 Get_PLD_ID(void)
+{
+ VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+
+ return(pld->ID);
+}
+
+static u8 Get_PLD_BOARD(void)
{
- return(*(volatile uchar *)PLD_ID_REG);
+ VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+
+ return(pld->BOARD);
}
-static uchar Get_PLD_BOARD(void)
+static u8 Get_PLD_SDRAM(void)
{
- return(*(volatile uchar *)PLD_BOARD_REG);
+ VCMA9_PLD * const pld = VCMA9_GetBase_PLD();
+
+ return(pld->SDRAM);
}
-static uchar Get_PLD_Version(void)
+static u8 Get_PLD_Version(void)
{
return((Get_PLD_ID() >> 4) & 0x0F);
}
-static uchar Get_PLD_Revision(void)
+static u8 Get_PLD_Revision(void)
{
return(Get_PLD_ID() & 0x0F);
}
static int Get_Board_Config(void)
{
- uchar config = Get_PLD_BOARD() & 0x03;
+ u8 config = Get_PLD_BOARD() & 0x03;
if (config == 3)
return 1;
@@ -228,6 +233,54 @@ 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) {
+ case 0: return 4;
+ case 1: return 1;
+ case 2: return 2;
+ default: return 0;
+ }
+}
+
+static ulong Get_SDRAM_ChipSize(void)
+{
+ switch (Get_PLD_SDRAM() & 0x0F) {
+ case 0: return 16 * (1024*1024);
+ case 1: return 32 * (1024*1024);
+ case 2: return 8 * (1024*1024);
+ case 3: return 8 * (1024*1024);
+ default: return 0;
+ }
+}
+static const char * Get_SDRAM_ChipGeom(void)
+{
+ switch (Get_PLD_SDRAM() & 0x0F) {
+ case 0: return "4Mx8x4";
+ case 1: return "8Mx8x4";
+ case 2: return "2Mx8x4";
+ case 3: return "4Mx8x2";
+ default: return "unknown";
+ }
+}
+
+static void Show_VCMA9_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());
+}
+
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = Get_SDRAM_ChipSize() * Get_SDRAM_ChipNr();
+
+ return 0;
+}
+
/* ------------------------------------------------------------------------- */
/*
@@ -240,8 +293,6 @@ int checkboard(void)
int i;
backup_t *b = (backup_t *) s;
- puts("Board: ");
-
i = getenv_r("serial#", s, 32);
if ((i < 0) || strncmp (s, "VCMA9", 5)) {
get_backup_values (b);
@@ -249,32 +300,23 @@ int checkboard(void)
puts ("### No HW ID - assuming VCMA9");
} else {
b->serial_name[5] = 0;
- printf ("%s-%d PCB Rev %c SN: %s", b->serial_name, Get_Board_Config(),
- Get_Board_PCB(), &b->serial_name[6]);
+ Show_VCMA9_Info(b->serial_name, &b->serial_name[6]);
}
} else {
s[5] = 0;
- printf ("%s-%d PCB Rev %c SN: %s", s, Get_Board_Config(), Get_Board_PCB(),
- &s[6]);
+ Show_VCMA9_Info(s, &s[6]);
}
- printf("\n");
+ /*printf("\n");*/
return(0);
}
-void print_vcma9_rev(void)
-{
- printf("Board: VCMA9-%d PCB Rev: %c (PLD Ver: %d, Rev: %d)\n",
- Get_Board_Config(), Get_Board_PCB(),
- Get_PLD_Version(), Get_PLD_Revision());
-}
-
extern void mem_test_reloc(void);
int last_stage_init(void)
{
mem_test_reloc();
- print_vcma9_rev();
+ checkboard();
show_stdio_dev();
check_env();
return 0;
@@ -295,6 +337,15 @@ int overwrite_console(void)
* Print VCMA9 Info
************************************************************************/
void print_vcma9_info(void)
-{
- print_vcma9_rev();
+{
+ unsigned char s[50];
+ int i;
+
+ if ((i = getenv_r("serial#", s, 32)) < 0) {
+ puts ("### No HW ID - assuming VCMA9");
+ printf("i %d", i*24);
+ } else {
+ s[5] = 0;
+ Show_VCMA9_Info(s, &s[6]);
+ }
}
diff --git a/board/mpl/vcma9/vcma9.h b/board/mpl/vcma9/vcma9.h
index 068eb21..c0167d5 100644
--- a/board/mpl/vcma9/vcma9.h
+++ b/board/mpl/vcma9/vcma9.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2002
+ * (C) Copyright 2002, 2003
* David Mueller, ELSOFT AG, d.mueller@elsoft.ch
*
* See file CREDITS for list of people who contributed to this
@@ -116,11 +116,19 @@ static inline u32 NF_Read_ECC(void)
#endif
-
-#define PLD_BASE_ADDRESS 0x2C000100
-#define PLD_ID_REG (PLD_BASE_ADDRESS + 0)
-#define PLD_NIC_REG (PLD_BASE_ADDRESS + 1)
-#define PLD_CAN_REG (PLD_BASE_ADDRESS + 2)
-#define PLD_MISC_REG (PLD_BASE_ADDRESS + 3)
-#define PLD_GPCD_REG (PLD_BASE_ADDRESS + 4)
-#define PLD_BOARD_REG (PLD_BASE_ADDRESS + 5)
+/* VCMA9 PLD regsiters */
+typedef struct {
+ S3C24X0_REG8 ID;
+ S3C24X0_REG8 NIC;
+ S3C24X0_REG8 CAN;
+ S3C24X0_REG8 MISC;
+ S3C24X0_REG8 GPCD;
+ S3C24X0_REG8 BOARD;
+ S3C24X0_REG8 SDRAM;
+} /*__attribute__((__packed__))*/ VCMA9_PLD;
+
+#define VCMA9_PLD_BASE 0x2C000100
+static inline VCMA9_PLD * const VCMA9_GetBase_PLD(void)
+{
+ return (VCMA9_PLD * const)VCMA9_PLD_BASE;
+}
generated by cgit v1.1 at 2024-12-19 00:43:41 +0000