ppc4xx: Fix "bootstrap" command for Katmai board

The board specific "bootstrap" command is now fixed and can
be used for the AMCC Katmai board to configure different
CPU/PLB/OPB frequencies.

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/board/amcc/katmai/cmd_katmai.c b/board/amcc/katmai/cmd_katmai.c
index 684f6a586374c21db441849451193adbc7aea833..0c42c394d6b6439206c4228f9a1cbf3685b4f3ab 100644 (file)
--- a/board/amcc/katmai/cmd_katmai.c
+++ b/board/amcc/katmai/cmd_katmai.c
@@ -27,6 +27,8 @@
 #include <i2c.h>
 #include <asm/byteorder.h>
 
+#define        CONFIG_STRESS           /* enable 667 MHz CPU freq selection */
+
 static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
        uchar   chip;
@@ -49,55 +51,28 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        else
                chip = IIC0_ALT_BOOTPROM_ADDR;
 
-       do {
-               printf("enter sys clock frequency 33 or 66 Mhz or quit to abort\n");
-               nbytes = readline (" ? ");
-
-               if (strcmp(console_buffer, "quit") == 0)
-                       return 0;
-
-               if ((strcmp(console_buffer, "33") != 0) &
-                   (strcmp(console_buffer, "66") != 0))
-                       nbytes=0;
-
-               strcpy(sysClock, console_buffer);
-
-       } while (nbytes == 0);
+       /* on Katmai SysClk is always 33MHz */
+       strcpy(sysClock, "33");
 
        do {
-               if (strcmp(sysClock, "66") == 0) {
-                       printf("enter cpu clock frequency 400, 533 Mhz or quit to abort\n");
-               } else {
 #ifdef CONFIG_STRESS
-                       printf("enter cpu clock frequency 400, 500, 533, 667 Mhz or quit to abort\n");
+               printf("enter cpu clock frequency 400, 500, 533, 667 Mhz or quit to abort\n");
 #else
-                       printf("enter cpu clock frequency 400, 500, 533 Mhz or quit to abort\n");
+               printf("enter cpu clock frequency 400, 500, 533 Mhz or quit to abort\n");
 #endif
-               }
                nbytes = readline (" ? ");
 
                if (strcmp(console_buffer, "quit") == 0)
                        return 0;
 
-               if (strcmp(sysClock, "66") == 0) {
-                       if ((strcmp(console_buffer, "400") != 0) &
-                           (strcmp(console_buffer, "533") != 0)
-#ifdef CONFIG_STRESS
-                           & (strcmp(console_buffer, "667") != 0)
-#endif
-                               ) {
-                               nbytes = 0;
-                       }
-               } else {
-                       if ((strcmp(console_buffer, "400") != 0) &
-                           (strcmp(console_buffer, "500") != 0) &
-                           (strcmp(console_buffer, "533") != 0)
+               if ((strcmp(console_buffer, "400") != 0) &&
+                   (strcmp(console_buffer, "500") != 0) &&
+                   (strcmp(console_buffer, "533") != 0)
 #ifdef CONFIG_STRESS
-                           & (strcmp(console_buffer, "667") != 0)
+                   && (strcmp(console_buffer, "667") != 0)
 #endif
-                               ) {
-                               nbytes = 0;
-                       }
+                       ) {
+                       nbytes = 0;
                }
 
                strcpy(cpuClock, console_buffer);
@@ -124,13 +99,13 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                                return 0;
 
                        if (strcmp(cpuClock, "400") == 0) {
-                               if ((strcmp(console_buffer, "100") != 0) &
+                               if ((strcmp(console_buffer, "100") != 0) &&
                                    (strcmp(console_buffer, "133") != 0))
                                        nbytes = 0;
                        }
 #ifdef CONFIG_STRESS
                        if (strcmp(cpuClock, "667") == 0) {
-                               if ((strcmp(console_buffer, "133") != 0) &
+                               if ((strcmp(console_buffer, "133") != 0) &&
                                    (strcmp(console_buffer, "166") != 0))
                                        nbytes = 0;
                        }
@@ -147,9 +122,9 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                if (strcmp(console_buffer, "quit") == 0)
                        return 0;
 
-               if ((strcmp(console_buffer, "33") != 0) &
-                   (strcmp(console_buffer, "66") != 0) &
-                   (strcmp(console_buffer, "100") != 0) &
+               if ((strcmp(console_buffer, "33") != 0) &&
+                   (strcmp(console_buffer, "66") != 0) &&
+                   (strcmp(console_buffer, "100") != 0) &&
                    (strcmp(console_buffer, "133") != 0)) {
                        nbytes = 0;
                }
@@ -176,11 +151,11 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        } while (nbytes == 0);
 
        if (strcmp(sysClock, "33") == 0) {
-               if ((strcmp(cpuClock, "400") == 0) &
+               if ((strcmp(cpuClock, "400") == 0) &&
                    (strcmp(plbClock, "100") == 0))
                        data = 0x8678c206;
 
-               if ((strcmp(cpuClock, "400") == 0) &
+               if ((strcmp(cpuClock, "400") == 0) &&
                    (strcmp(plbClock, "133") == 0))
                        data = 0x8678c2c6;
 
@@ -189,42 +164,16 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
                if ((strcmp(cpuClock, "533") == 0))
                        data = 0x87790252;
-
 #ifdef CONFIG_STRESS
-               if ((strcmp(cpuClock, "667") == 0) &
+               if ((strcmp(cpuClock, "667") == 0) &&
                    (strcmp(plbClock, "133") == 0))
                        data = 0x87794256;
 
-               if ((strcmp(cpuClock, "667") == 0) &
+               if ((strcmp(cpuClock, "667") == 0) &&
                    (strcmp(plbClock, "166") == 0))
                        data = 0x87794206;
-
-#endif
-       }
-       if (strcmp(sysClock, "66") == 0) {
-               if ((strcmp(cpuClock, "400") == 0) &
-                   (strcmp(plbClock, "100") == 0))
-                       data = 0x84706206;
-
-               if ((strcmp(cpuClock, "400") == 0) &
-                   (strcmp(plbClock, "133") == 0))
-                       data = 0x847062c6;
-
-               if ((strcmp(cpuClock, "533") == 0))
-                       data = 0x85708206;
-
-#ifdef CONFIG_STRESS
-               if ((strcmp(cpuClock, "667") == 0) &
-                   (strcmp(plbClock, "133") == 0))
-                       data = 0x8570a256;
-
-               if ((strcmp(cpuClock, "667") == 0) &
-                   (strcmp(plbClock, "166") == 0))
-                       data = 0x8570a206;
-
 #endif
        }
-
 #ifdef DEBUG
        printf(" pin strap0 to write in i2c  = %x\n", data);
 #endif /* DEBUG */
@@ -233,16 +182,16 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                printf("Error writing strap0 in %s\n", argv[2]);
 
        if (strcmp(pcixClock, "33") == 0)
-               data = 0x00000701;
+               data = 0x000007E1;
 
        if (strcmp(pcixClock, "66") == 0)
-               data = 0x00000601;
+               data = 0x000006E1;
 
        if (strcmp(pcixClock, "100") == 0)
-               data = 0x00000501;
+               data = 0x000005E1;
 
        if (strcmp(pcixClock, "133") == 0)
-               data = 0x00000401;
+               data = 0x000004E1;
 
        if (strcmp(plbClock, "166") == 0)
                data |= 0x05950000;