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https://github.com/brain-hackers/u-boot-brain
synced 2024-10-06 03:20:41 +09:00
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>
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94f54703c3
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@ -27,6 +27,8 @@
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#include <i2c.h>
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#include <asm/byteorder.h>
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#define CONFIG_STRESS /* enable 667 MHz CPU freq selection */
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static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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uchar chip;
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@ -49,56 +51,29 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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else
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chip = IIC0_ALT_BOOTPROM_ADDR;
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do {
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printf("enter sys clock frequency 33 or 66 Mhz or quit to abort\n");
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if ((strcmp(console_buffer, "33") != 0) &
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(strcmp(console_buffer, "66") != 0))
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nbytes=0;
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strcpy(sysClock, console_buffer);
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} while (nbytes == 0);
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/* on Katmai SysClk is always 33MHz */
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strcpy(sysClock, "33");
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do {
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if (strcmp(sysClock, "66") == 0) {
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printf("enter cpu clock frequency 400, 533 Mhz or quit to abort\n");
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} else {
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#ifdef CONFIG_STRESS
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printf("enter cpu clock frequency 400, 500, 533, 667 Mhz or quit to abort\n");
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#else
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printf("enter cpu clock frequency 400, 500, 533 Mhz or quit to abort\n");
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#endif
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}
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if (strcmp(sysClock, "66") == 0) {
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if ((strcmp(console_buffer, "400") != 0) &
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if ((strcmp(console_buffer, "400") != 0) &&
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(strcmp(console_buffer, "500") != 0) &&
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(strcmp(console_buffer, "533") != 0)
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#ifdef CONFIG_STRESS
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& (strcmp(console_buffer, "667") != 0)
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&& (strcmp(console_buffer, "667") != 0)
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#endif
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) {
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nbytes = 0;
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}
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} else {
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if ((strcmp(console_buffer, "400") != 0) &
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(strcmp(console_buffer, "500") != 0) &
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(strcmp(console_buffer, "533") != 0)
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#ifdef CONFIG_STRESS
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& (strcmp(console_buffer, "667") != 0)
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#endif
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) {
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nbytes = 0;
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}
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}
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strcpy(cpuClock, console_buffer);
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@ -124,13 +99,13 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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return 0;
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if (strcmp(cpuClock, "400") == 0) {
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if ((strcmp(console_buffer, "100") != 0) &
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if ((strcmp(console_buffer, "100") != 0) &&
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(strcmp(console_buffer, "133") != 0))
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nbytes = 0;
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}
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#ifdef CONFIG_STRESS
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if (strcmp(cpuClock, "667") == 0) {
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if ((strcmp(console_buffer, "133") != 0) &
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if ((strcmp(console_buffer, "133") != 0) &&
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(strcmp(console_buffer, "166") != 0))
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nbytes = 0;
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}
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@ -147,9 +122,9 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if ((strcmp(console_buffer, "33") != 0) &
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(strcmp(console_buffer, "66") != 0) &
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(strcmp(console_buffer, "100") != 0) &
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if ((strcmp(console_buffer, "33") != 0) &&
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(strcmp(console_buffer, "66") != 0) &&
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(strcmp(console_buffer, "100") != 0) &&
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(strcmp(console_buffer, "133") != 0)) {
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nbytes = 0;
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}
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@ -176,11 +151,11 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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} while (nbytes == 0);
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if (strcmp(sysClock, "33") == 0) {
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if ((strcmp(cpuClock, "400") == 0) &
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if ((strcmp(cpuClock, "400") == 0) &&
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(strcmp(plbClock, "100") == 0))
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data = 0x8678c206;
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if ((strcmp(cpuClock, "400") == 0) &
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if ((strcmp(cpuClock, "400") == 0) &&
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(strcmp(plbClock, "133") == 0))
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data = 0x8678c2c6;
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@ -189,42 +164,16 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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if ((strcmp(cpuClock, "533") == 0))
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data = 0x87790252;
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#ifdef CONFIG_STRESS
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if ((strcmp(cpuClock, "667") == 0) &
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if ((strcmp(cpuClock, "667") == 0) &&
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(strcmp(plbClock, "133") == 0))
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data = 0x87794256;
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if ((strcmp(cpuClock, "667") == 0) &
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if ((strcmp(cpuClock, "667") == 0) &&
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(strcmp(plbClock, "166") == 0))
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data = 0x87794206;
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#endif
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}
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if (strcmp(sysClock, "66") == 0) {
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "100") == 0))
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data = 0x84706206;
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x847062c6;
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if ((strcmp(cpuClock, "533") == 0))
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data = 0x85708206;
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#ifdef CONFIG_STRESS
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x8570a256;
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "166") == 0))
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data = 0x8570a206;
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#endif
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}
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#ifdef DEBUG
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printf(" pin strap0 to write in i2c = %x\n", data);
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#endif /* DEBUG */
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@ -233,16 +182,16 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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printf("Error writing strap0 in %s\n", argv[2]);
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if (strcmp(pcixClock, "33") == 0)
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data = 0x00000701;
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data = 0x000007E1;
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if (strcmp(pcixClock, "66") == 0)
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data = 0x00000601;
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data = 0x000006E1;
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if (strcmp(pcixClock, "100") == 0)
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data = 0x00000501;
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data = 0x000005E1;
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if (strcmp(pcixClock, "133") == 0)
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data = 0x00000401;
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data = 0x000004E1;
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if (strcmp(plbClock, "166") == 0)
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data |= 0x05950000;
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