*/
#include <common.h>
+#include <netdev.h>
#include <s3c2410.h>
+#include <stdio_dev.h>
#include <i2c.h>
#include "vcma9.h"
#include "../common/common_util.h"
-/* ------------------------------------------------------------------------- */
+DECLARE_GLOBAL_DATA_PTR;
#define FCLK_SPEED 1
int board_init(void)
{
- DECLARE_GLOBAL_DATA_PTR;
+ 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 */
- rLOCKTIME = 0xFFFFFF;
+ clk_power->LOCKTIME = 0xFFFFFF;
/* configure MPLL */
- rMPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+ clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
/* some delay between MPLL and UPLL */
delay (4000);
/* configure UPLL */
- rUPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+ 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 */
- rGPACON = 0x007FFFFF;
- rGPBCON = 0x002AAAAA;
- rGPBUP = 0x000002BF;
- rGPCCON = 0xAAAAAAAA;
- rGPCUP = 0x0000FFFF;
- rGPDCON = 0xAAAAAAAA;
- rGPDUP = 0x0000FFFF;
- rGPECON = 0xAAAAAAAA;
- rGPEUP = 0x000037F7;
- rGPFCON = 0x00000000;
- rGPFUP = 0x00000000;
- rGPGCON = 0xFFEAFF5A;
- rGPGUP = 0x0000F0DC;
- rGPHCON = 0x0028AAAA;
- rGPHUP = 0x00000656;
+ 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;
/* setup correct IRQ modes for NIC */
- rEXTINT2 = (rEXTINT2 & ~(7<<8)) | (4<<8); /* rising edge mode */
+ gpio->EXTINT2 = (gpio->EXTINT2 & ~(7<<8)) | (4<<8); /* rising edge mode */
+
+ /* select USB port 2 to be host or device (fix to host for now) */
+ gpio->MISCCR |= 0x08;
/* init serial */
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
/* arch number of VCMA9-Board */
- gd->bd->bi_arch_number = 227;
+ gd->bd->bi_arch_number = MACH_TYPE_MPL_VCMA9;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x30000100;
return 0;
}
-int dram_init(void)
+/*
+ * NAND flash initialization.
+ */
+#if defined(CONFIG_CMD_NAND)
+extern ulong
+nand_probe(ulong physadr);
+
+
+static inline void NF_Reset(void)
{
- DECLARE_GLOBAL_DATA_PTR;
+ int i;
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ 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);
+}
- return 0;
+
+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 uchar Get_PLD_ID(void)
+static u8 Get_PLD_ID(void)
{
- return(*(volatile uchar *)PLD_ID_REG);
+ VCMA9_PLD * const pld = VCMA9_get_base_PLD();
+
+ return(pld->ID);
}
-static uchar Get_PLD_BOARD(void)
+static u8 Get_PLD_BOARD(void)
{
- return(*(volatile uchar *)PLD_BOARD_REG);
+ VCMA9_PLD * const pld = VCMA9_get_base_PLD();
+
+ return(pld->BOARD);
}
-static uchar Get_PLD_Version(void)
+static u8 Get_PLD_SDRAM(void)
+{
+ VCMA9_PLD * const pld = VCMA9_get_base_PLD();
+
+ return(pld->SDRAM);
+}
+
+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);
}
+#if 0 /* not used */
static int Get_Board_Config(void)
{
- uchar config = Get_PLD_BOARD() & 0x03;
+ 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) {
+ 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)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = Get_SDRAM_ChipSize() * Get_SDRAM_ChipNr();
+
+ return 0;
+}
+
/* ------------------------------------------------------------------------- */
/*
int checkboard(void)
{
- unsigned char s[50];
+ char s[50];
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);
puts ("### No HW ID - assuming VCMA9");
} else {
b->serial_name[5] = 0;
- printf ("%s-%d 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 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 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();
- show_stdio_dev();
+ checkboard();
+ stdio_print_current_devices();
check_env();
return 0;
}
/***************************************************************************
* some helping routines
*/
-
+#if !CONFIG_USB_KEYBOARD
int overwrite_console(void)
{
/* return TRUE if console should be overwritten */
return 0;
}
-
+#endif
/************************************************************************
* Print VCMA9 Info
************************************************************************/
void print_vcma9_info(void)
{
- print_vcma9_rev();
-}
+ 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]);
+ }
+}
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_CS8900
+ rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
+#endif
+ return rc;
+}
+#endif
projects / karo-tx-uboot.git / blobdiff