2 * Copyright 2014 Freescale Semiconductor
4 * SPDX-License-Identifier: GPL-2.0+
6 * Freescale T2080RDB board-specific CPLD controlling supports.
13 u8 cpld_read(unsigned int reg)
15 void *p = (void *)CONFIG_SYS_CPLD_BASE;
20 void cpld_write(unsigned int reg, u8 value)
22 void *p = (void *)CONFIG_SYS_CPLD_BASE;
24 out_8(p + reg, value);
27 /* Set the boot bank to the alternate bank */
28 void cpld_set_altbank(void)
30 u8 reg = CPLD_READ(flash_csr);
32 reg = (reg & ~CPLD_BANK_SEL_MASK) | CPLD_LBMAP_ALTBANK;
33 CPLD_WRITE(flash_csr, reg);
34 CPLD_WRITE(reset_ctl, CPLD_LBMAP_RESET);
37 /* Set the boot bank to the default bank */
38 void cpld_set_defbank(void)
40 u8 reg = CPLD_READ(flash_csr);
42 reg = (reg & ~CPLD_BANK_SEL_MASK) | CPLD_LBMAP_DFLTBANK;
43 CPLD_WRITE(flash_csr, reg);
44 CPLD_WRITE(reset_ctl, CPLD_LBMAP_RESET);
47 int do_cpld(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
52 return cmd_usage(cmdtp);
54 if (strcmp(argv[1], "reset") == 0) {
55 if (strcmp(argv[2], "altbank") == 0)
60 rc = cmd_usage(cmdtp);
67 cpld, CONFIG_SYS_MAXARGS, 1, do_cpld,
68 "Reset the board or alternate bank",
69 "reset: reset to default bank\n"
70 "cpld reset altbank: reset to alternate bank\n"