rename CFG_ENV macros to CONFIG_ENV

[karo-tx-uboot.git] / board / etin / debris / debris.c

diff --git a/board/etin/debris/debris.c b/board/etin/debris/debris.c
index fe075f1fce7c0cf5d0a5da713d85ee6a212b5dd2..a5d394c8f6e4755f9a167aa094a4c1fdb0aa4c7c 100644 (file)
--- a/board/etin/debris/debris.c
+++ b/board/etin/debris/debris.c
@@ -24,6 +24,10 @@
 #include <common.h>
 #include <mpc824x.h>
 #include <pci.h>
+#include <i2c.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
 
 int checkboard (void)
 {
@@ -40,7 +44,7 @@ int checkboard (void)
        return 0;
 }
 
-#if 0  /* NOT USED */
+#if 0  /* NOT USED */
 int checkflash (void)
 {
        /* TODO: XXX XXX XXX */
@@ -50,52 +54,72 @@ int checkflash (void)
 }
 #endif
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
-       int              i, cnt;
-       volatile uchar * base= CFG_SDRAM_BASE;
-       volatile ulong * addr;
-       ulong            save[32];
-       ulong            val, ret  = 0;
-
-       for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) {
-               addr = (volatile ulong *)base + cnt;
-               save[i++] = *addr;
-               *addr = ~cnt;
-       }
-
-       addr = (volatile ulong *)base;
-       save[i] = *addr;
-       *addr = 0;
-
-       if (*addr != 0) {
-               *addr = save[i];
-               goto Done;
+       int m, row, col, bank, i;
+       unsigned long start, end;
+       uint32_t mccr1;
+       uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0;
+       uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0;
+       uint8_t mber = 0;
+
+       i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+
+       if (i2c_reg_read (0x50, 2) != 0x04) return 0;   /* Memory type */
+       m = i2c_reg_read (0x50, 5);     /* # of physical banks */
+       row = i2c_reg_read (0x50, 3);   /* # of rows */
+       col = i2c_reg_read (0x50, 4);   /* # of columns */
+       bank = i2c_reg_read (0x50, 17); /* # of logical banks */
+
+       CONFIG_READ_WORD(MCCR1, mccr1);
+       mccr1 &= 0xffff0000;
+
+       start = CFG_SDRAM_BASE;
+       end = start + (1 << (col + row + 3) ) * bank - 1;
+
+       for (i = 0; i < m; i++) {
+               mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2;
+               if (i < 4) {
+                       msar1  |= ((start >> 20) & 0xff) << i * 8;
+                       emsar1 |= ((start >> 28) & 0xff) << i * 8;
+                       mear1  |= ((end >> 20) & 0xff) << i * 8;
+                       emear1 |= ((end >> 28) & 0xff) << i * 8;
+               } else {
+                       msar2  |= ((start >> 20) & 0xff) << (i-4) * 8;
+                       emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8;
+                       mear2  |= ((end >> 20) & 0xff) << (i-4) * 8;
+                       emear2 |= ((end >> 28) & 0xff) << (i-4) * 8;
+               }
+               mber |= 1 << i;
+               start += (1 << (col + row + 3) ) * bank;
+               end += (1 << (col + row + 3) ) * bank;
        }
-
-       for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
-               addr = (volatile ulong *)base + cnt;
-               val = *addr;
-               *addr = save[--i];
-               if (val != ~cnt) {
-/*                     ulong new_bank0_end = cnt * sizeof(long) - 1;
-                       ulong mear1  = mpc824x_mpc107_getreg(MEAR1);
-                       ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
-                       mear1 =  (mear1  & 0xFFFFFF00) |
-                       ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
-                       emear1 = (emear1 & 0xFFFFFF00) |
-                       ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
-                       mpc824x_mpc107_setreg(MEAR1,  mear1);
-                       mpc824x_mpc107_setreg(EMEAR1, emear1);*/
-
-                       ret = cnt * sizeof(long);
-                       goto Done;
+       for (; i < 8; i++) {
+               if (i < 4) {
+                       msar1  |= 0xff << i * 8;
+                       emsar1 |= 0x30 << i * 8;
+                       mear1  |= 0xff << i * 8;
+                       emear1 |= 0x30 << i * 8;
+               } else {
+                       msar2  |= 0xff << (i-4) * 8;
+                       emsar2 |= 0x30 << (i-4) * 8;
+                       mear2  |= 0xff << (i-4) * 8;
+                       emear2 |= 0x30 << (i-4) * 8;
                }
        }
 
-       ret = CFG_MAX_RAM_SIZE;
-Done:
-       return ret;
+       CONFIG_WRITE_WORD(MCCR1, mccr1);
+       CONFIG_WRITE_WORD(MSAR1, msar1);
+       CONFIG_WRITE_WORD(EMSAR1, emsar1);
+       CONFIG_WRITE_WORD(MEAR1, mear1);
+       CONFIG_WRITE_WORD(EMEAR1, emear1);
+       CONFIG_WRITE_WORD(MSAR2, msar2);
+       CONFIG_WRITE_WORD(EMSAR2, emsar2);
+       CONFIG_WRITE_WORD(MEAR2, mear2);
+       CONFIG_WRITE_WORD(EMEAR2, emear2);
+       CONFIG_WRITE_BYTE(MBER, mber);
+
+       return (1 << (col + row + 3) ) * bank * m;
 }
 
 /*
@@ -149,10 +173,13 @@ void nvram_write(long dest, const void *src, size_t count)
 
 int misc_init_r(void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
-
        /* Write ethernet addr in NVRAM for VxWorks */
-       nvram_write(CFG_ENV_ADDR + CFG_NVRAM_VXWORKS_OFFS,
+       nvram_write(CONFIG_ENV_ADDR + CFG_NVRAM_VXWORKS_OFFS,
                        (char*)&gd->bd->bi_enetaddr[0], 6);
        return 0;
 }
+
+int board_eth_init(bd_t *bis)
+{
+       return pci_eth_init(bis);
+}