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-rw-r--r--board/amcc/katmai/cmd_katmai.c105
-rw-r--r--board/amcc/katmai/init.S12
-rw-r--r--board/amcc/katmai/katmai.c1
3 files changed, 40 insertions, 78 deletions
diff --git a/board/amcc/katmai/cmd_katmai.c b/board/amcc/katmai/cmd_katmai.c
index 684f6a5..439be4f 100644
--- a/board/amcc/katmai/cmd_katmai.c
+++ b/board/amcc/katmai/cmd_katmai.c
@@ -27,6 +27,9 @@
#include <i2c.h>
#include <asm/byteorder.h>
+#define CONFIG_STRESS /* enable 667 MHz CPU freq selection */
+#define DEBUG
+
static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
uchar chip;
@@ -49,55 +52,28 @@ 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 +100,13 @@ 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 +123,9 @@ 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 +152,11 @@ 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 +165,16 @@ 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 */
@@ -233,19 +183,20 @@ 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;
+/* data |= 0x05950000; */ /* this set's DDR2 clock == PLB clock */
+ data |= 0x05A50000; /* this set's DDR2 clock == 2 * PLB clock */
else
data |= 0x05A50000;
diff --git a/board/amcc/katmai/init.S b/board/amcc/katmai/init.S
index f5900bc..5202ae6 100644
--- a/board/amcc/katmai/init.S
+++ b/board/amcc/katmai/init.S
@@ -46,6 +46,11 @@
.globl tlbtabA
tlbtabA:
tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
tlbentry(0xff000000, SZ_16M, 0xff000000, 4, AC_R|AC_W|AC_X|SA_G)
/*
@@ -81,6 +86,11 @@ tlbtabA:
.globl tlbtabB
tlbtabB:
tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
tlbentry(0xff000000, SZ_16M, 0xff000000, 4, AC_R|AC_W|AC_X|SA_G)
/*
@@ -93,7 +103,7 @@ tlbtabB:
tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
- tlbentry(CFG_ACE_BASE, SZ_1K, 0xE0000000, 4,AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_ACE_BASE, SZ_1K, CFG_ACE_BASE, 4,AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)
diff --git a/board/amcc/katmai/katmai.c b/board/amcc/katmai/katmai.c
index fbf1a98..286bdc1 100644
--- a/board/amcc/katmai/katmai.c
+++ b/board/amcc/katmai/katmai.c
@@ -27,6 +27,7 @@
#include <asm/processor.h>
#include <i2c.h>
#include <asm-ppc/io.h>
+#include <asm-ppc/gpio.h>
#include "../cpu/ppc4xx/440spe_pcie.h"
generated by cgit v1.1 at 2024-12-17 23:24:51 +0000