diff options
Diffstat (limited to 'board/amcc/kilauea/cmd_pll.c')
| -rw-r--r-- | board/amcc/kilauea/cmd_pll.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/board/amcc/kilauea/cmd_pll.c b/board/amcc/kilauea/cmd_pll.c deleted file mode 100644 index 9bae67e..0000000 --- a/board/amcc/kilauea/cmd_pll.c +++ /dev/null @@ -1,297 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - */ - -/* - * ehnus: change pll frequency. - * Wed Sep 5 11:45:17 CST 2007 - * hsun@udtech.com.cn - */ - - -#include <common.h> -#include <config.h> -#include <command.h> -#include <i2c.h> - -#ifdef CONFIG_CMD_EEPROM - -#define EEPROM_CONF_OFFSET 0 -#define EEPROM_TEST_OFFSET 16 -#define EEPROM_SDSTP_PARAM 16 - -#define PLL_NAME_MAX 12 -#define BUF_STEP 8 - -/* eeprom_wirtes 8Byte per op. */ -#define EEPROM_ALTER_FREQ(freq) \ - do { \ - int __i; \ - for (__i = 0; __i < 2; __i++) \ - eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, \ - EEPROM_CONF_OFFSET + __i*BUF_STEP, \ - pll_select[freq], \ - BUF_STEP + __i*BUF_STEP); \ - } while (0) - -#define PDEBUG -#ifdef PDEBUG -#define PLL_DEBUG pll_debug(EEPROM_CONF_OFFSET) -#else -#define PLL_DEBUG -#endif - -typedef enum { - PLL_ebc20, - PLL_333, - PLL_4001, - PLL_4002, - PLL_533, - PLL_600, - PLL_666, /* For now, kilauea can't support */ - RCONF, - WTEST, - PLL_TOTAL -} pll_freq_t; - -static const char -pll_name[][PLL_NAME_MAX] = { - "PLL_ebc20", - "PLL_333", - "PLL_400@1", - "PLL_400@2", - "PLL_533", - "PLL_600", - "PLL_666", - "RCONF", - "WTEST", - "" -}; - -/* - * ehnus: - */ -static uchar -pll_select[][EEPROM_SDSTP_PARAM] = { - /* 0: CPU 333MHz EBC 20MHz, for test only */ - { - 0x8c, 0x12, 0xec, 0x12, 0x88, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 0: 333 */ - { - 0x8c, 0x12, 0xec, 0x12, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 1: 400_266 */ - { - 0x8e, 0x0e, 0xe8, 0x13, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 2: 400 */ - { - 0x8e, 0x0e, 0xe8, 0x12, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 3: 533 */ - { - 0x8e, 0x43, 0x60, 0x13, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 4: 600 */ - { - 0x8d, 0x02, 0x34, 0x13, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - /* 5: 666 */ - { - 0x8d, 0x03, 0x78, 0x13, 0x98, 0x00, 0x0a, 0x00, - 0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00 - }, - - {} -}; - -static uchar -testbuf[EEPROM_SDSTP_PARAM] = { - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff -}; - -static void -pll_debug(int off) -{ - int i; - uchar buffer[EEPROM_SDSTP_PARAM]; - - memset(buffer, 0, sizeof(buffer)); - eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, off, - buffer, EEPROM_SDSTP_PARAM); - - printf("Debug: SDSTP[0-3] at offset \"0x%02x\" lists as follows: \n", off); - for (i = 0; i < EEPROM_SDSTP_PARAM; i++) - printf("%02x ", buffer[i]); - printf("\n"); -} - -static void -test_write(void) -{ - printf("Debug: test eeprom_write ... "); - - /* - * Write twice, 8 bytes per write - */ - eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_TEST_OFFSET, - testbuf, 8); - eeprom_write (CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_TEST_OFFSET+8, - testbuf, 16); - printf("done\n"); - - pll_debug(EEPROM_TEST_OFFSET); -} - -int -do_pll_alter (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - char c = '\0'; - pll_freq_t pll_freq; - if (argc < 2) { - cmd_usage(cmdtp); - goto ret; - } - - for (pll_freq = PLL_ebc20; pll_freq < PLL_TOTAL; pll_freq++) - if (!strcmp(pll_name[pll_freq], argv[1])) - break; - - switch (pll_freq) { - case PLL_ebc20: - case PLL_333: - case PLL_4001: - case PLL_4002: - case PLL_533: - case PLL_600: - EEPROM_ALTER_FREQ(pll_freq); - break; - - case PLL_666: /* not support */ - printf("Choose this option will result in a boot failure." - "\nContinue? (Y/N): "); - - c = getc(); putc('\n'); - - if ((c == 'y') || (c == 'Y')) { - EEPROM_ALTER_FREQ(pll_freq); - break; - } - goto ret; - - case RCONF: - pll_debug(EEPROM_CONF_OFFSET); - goto ret; - case WTEST: - printf("DEBUG: write test\n"); - test_write(); - goto ret; - - default: - printf("Invalid options\n\n"); - cmd_usage(cmdtp); - goto ret; - } - - printf("PLL set to %s, " - "reset the board to take effect\n", pll_name[pll_freq]); - - PLL_DEBUG; -ret: - return 0; -} - -U_BOOT_CMD( - pllalter, CONFIG_SYS_MAXARGS, 1, do_pll_alter, - "change pll frequence", - "pllalter <selection> - change pll frequence \n\n\ - ** New freq take effect after reset. ** \n\ - ----------------------------------------------\n\ - PLL_ebc20: Board: AMCC 405EX(r) Evaluation Board\n\ - \t Same as PLL_333 \n\ - \t except \n\ - \t EBC: 20 MHz \n\ - ----------------------------------------------\n\ - PLL_333: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 666 MHz \n\ - \t CPU: 333 MHz \n\ - \t PLB: 166 MHz \n\ - \t OPB: 83 MHz \n\ - \t DDR: 83 MHz \n\ - ------------------------------------------------\n\ - PLL_400@1: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 800 MHz \n\ - \t CPU: 400 MHz \n\ - \t PLB: 133 MHz \n\ - \t OPB: 66 MHz \n\ - \t DDR: 133 MHz \n\ - ------------------------------------------------\n\ - PLL_400@2: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 800 MHz \n\ - \t CPU: 400 MHz \n\ - \t PLB: 200 MHz \n\ - \t OPB: 100 MHz \n\ - \t DDR: 200 MHz \n\ - ----------------------------------------------\n\ - PLL_533: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 1066 MHz \n\ - \t CPU: 533 MHz \n\ - \t PLB: 177 MHz \n\ - \t OPB: 88 MHz \n\ - \t DDR: 177 MHz \n\ - ----------------------------------------------\n\ - PLL_600: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 1200 MHz \n\ - \t CPU: 600 MHz \n\ - \t PLB: 200 MHz \n\ - \t OPB: 100 MHz \n\ - \t DDR: 200 MHz \n\ - ----------------------------------------------\n\ - PLL_666: Board: AMCC 405EX(r) Evaluation Board\n\ - \t VCO: 1333 MHz \n\ - \t CPU: 666 MHz \n\ - \t PLB: 166 MHz \n\ - \t OPB: 83 MHz \n\ - \t DDR: 166 MHz \n\ - -----------------------------------------------\n\ - RCONF: Read current eeprom configuration. \n\ - -----------------------------------------------\n\ - WTEST: Test EEPROM write with predefined values\n\ - -----------------------------------------------" -); - -#endif /* CONFIG_CMD_EEPROM */ |