diff options
Diffstat (limited to 'board/freescale/c29xpcie/cpld.c')
-rw-r--r-- | board/freescale/c29xpcie/cpld.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/board/freescale/c29xpcie/cpld.c b/board/freescale/c29xpcie/cpld.c deleted file mode 100644 index 826af428ce..0000000000 --- a/board/freescale/c29xpcie/cpld.c +++ /dev/null @@ -1,133 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/** - * Copyright 2013 Freescale Semiconductor - * Author: Mingkai Hu <Mingkai.hu@freescale.com> - * Po Liu <Po.Liu@freescale.com> - * - * This file provides support for the board-specific CPLD used on some Freescale - * reference boards. - * - * The following macros need to be defined: - * - * CONFIG_SYS_CPLD_BASE - The virtual address of the base of the - * CPLD register map - * - */ - -#include <common.h> -#include <command.h> -#include <asm/io.h> -#include <linux/delay.h> - -#include "cpld.h" -/** - * Set the boot bank to the alternate bank - */ -void cpld_set_altbank(u8 banksel) -{ - struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); - u8 reg11; - - reg11 = in_8(&cpld_data->flhcsr); - - switch (banksel) { - case 1: - out_8(&cpld_data->flhcsr, (reg11 & CPLD_BANKSEL_MASK) - | CPLD_BANKSEL_EN | CPLD_SELECT_BANK1); - break; - case 2: - out_8(&cpld_data->flhcsr, (reg11 & CPLD_BANKSEL_MASK) - | CPLD_BANKSEL_EN | CPLD_SELECT_BANK2); - break; - case 3: - out_8(&cpld_data->flhcsr, (reg11 & CPLD_BANKSEL_MASK) - | CPLD_BANKSEL_EN | CPLD_SELECT_BANK3); - break; - case 4: - out_8(&cpld_data->flhcsr, (reg11 & CPLD_BANKSEL_MASK) - | CPLD_BANKSEL_EN | CPLD_SELECT_BANK4); - break; - default: - printf("Invalid value! [1-4]\n"); - return; - } - - udelay(100); - do_reset(NULL, 0, 0, NULL); -} - -/** - * Set the boot bank to the default bank - */ -void cpld_set_defbank(void) -{ - cpld_set_altbank(4); -} - -#ifdef DEBUG -static void cpld_dump_regs(void) -{ - struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); - - printf("chipid1 = 0x%02x\n", in_8(&cpld_data->chipid1)); - printf("chipid2 = 0x%02x\n", in_8(&cpld_data->chipid2)); - printf("hwver = 0x%02x\n", in_8(&cpld_data->hwver)); - printf("cpldver = 0x%02x\n", in_8(&cpld_data->cpldver)); - printf("rstcon = 0x%02x\n", in_8(&cpld_data->rstcon)); - printf("flhcsr = 0x%02x\n", in_8(&cpld_data->flhcsr)); - printf("wdcsr = 0x%02x\n", in_8(&cpld_data->wdcsr)); - printf("wdkick = 0x%02x\n", in_8(&cpld_data->wdkick)); - printf("fancsr = 0x%02x\n", in_8(&cpld_data->fancsr)); - printf("ledcsr = 0x%02x\n", in_8(&cpld_data->ledcsr)); - printf("misc = 0x%02x\n", in_8(&cpld_data->misccsr)); - printf("bootor = 0x%02x\n", in_8(&cpld_data->bootor)); - printf("bootcfg1 = 0x%02x\n", in_8(&cpld_data->bootcfg1)); - printf("bootcfg2 = 0x%02x\n", in_8(&cpld_data->bootcfg2)); - printf("bootcfg3 = 0x%02x\n", in_8(&cpld_data->bootcfg3)); - printf("bootcfg4 = 0x%02x\n", in_8(&cpld_data->bootcfg4)); - putc('\n'); -} -#endif - -#ifndef CONFIG_SPL_BUILD -int cpld_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) -{ - int rc = 0; - unsigned char value; - - if (argc <= 1) - return cmd_usage(cmdtp); - - if (strcmp(argv[1], "reset") == 0) { - if (!strcmp(argv[2], "altbank") && argv[3]) { - value = (u8)simple_strtoul(argv[3], NULL, 16); - cpld_set_altbank(value); - } else if (!argv[2]) - cpld_set_defbank(); - else - cmd_usage(cmdtp); -#ifdef DEBUG - } else if (strcmp(argv[1], "dump") == 0) { - cpld_dump_regs(); -#endif - } else - rc = cmd_usage(cmdtp); - - return rc; -} - -U_BOOT_CMD( - cpld_cmd, CONFIG_SYS_MAXARGS, 1, cpld_cmd, - "Reset the board using the CPLD sequencer", - "reset - hard reset to default bank 4\n" - "cpld_cmd reset altbank [bank]- reset to alternate bank\n" - " - [bank] bank value select 1-4\n" - " - bank 1 on the flash 0x0000000~0x0ffffff\n" - " - bank 2 on the flash 0x1000000~0x1ffffff\n" - " - bank 3 on the flash 0x2000000~0x2ffffff\n" - " - bank 4 on the flash 0x3000000~0x3ffffff\n" -#ifdef DEBUG - "cpld_cmd dump - display the CPLD registers\n" -#endif - ); -#endif |