2 * keystone2: commands for clocks
4 * (C) Copyright 2012-2014
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/hardware.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/psc_defs.h>
16 struct pll_init_data cmd_pll_data = {
23 int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
28 if (strncmp(argv[1], "pa", 2) == 0)
29 cmd_pll_data.pll = PASS_PLL;
30 #ifndef CONFIG_SOC_K2E
31 else if (strncmp(argv[1], "arm", 3) == 0)
32 cmd_pll_data.pll = TETRIS_PLL;
34 #ifdef CONFIG_SOC_K2HK
35 else if (strncmp(argv[1], "ddr3a", 5) == 0)
36 cmd_pll_data.pll = DDR3A_PLL;
37 else if (strncmp(argv[1], "ddr3b", 5) == 0)
38 cmd_pll_data.pll = DDR3B_PLL;
40 else if (strncmp(argv[1], "ddr3", 4) == 0)
41 cmd_pll_data.pll = DDR3_PLL;
46 cmd_pll_data.pll_m = simple_strtoul(argv[2], NULL, 10);
47 cmd_pll_data.pll_d = simple_strtoul(argv[3], NULL, 10);
48 cmd_pll_data.pll_od = simple_strtoul(argv[4], NULL, 10);
50 printf("Trying to set pll %d; mult %d; div %d; OD %d\n",
51 cmd_pll_data.pll, cmd_pll_data.pll_m,
52 cmd_pll_data.pll_d, cmd_pll_data.pll_od);
53 init_pll(&cmd_pll_data);
58 return cmd_usage(cmdtp);
62 pllset, 5, 0, do_pll_cmd,
63 "set pll multiplier and pre divider",
64 PLLSET_CMD_LIST " <mult> <div> <OD>\n"
67 int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
73 goto getclk_cmd_usage;
75 clk = simple_strtoul(argv[1], NULL, 10);
77 freq = clk_get_rate(clk);
78 printf("clock index [%d] - frequency %u\n", clk, freq);
82 return cmd_usage(cmdtp);
86 getclk, 2, 0, do_getclk_cmd,
89 "The indexes for clocks:\n"
93 int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
101 psc_module = simple_strtoul(argv[1], NULL, 10);
102 if (strcmp(argv[2], "en") == 0) {
103 res = psc_enable_module(psc_module);
104 printf("psc_enable_module(%d) - %s\n", psc_module,
105 (res) ? "ERROR" : "OK");
109 if (strcmp(argv[2], "di") == 0) {
110 res = psc_disable_module(psc_module);
111 printf("psc_disable_module(%d) - %s\n", psc_module,
112 (res) ? "ERROR" : "OK");
116 if (strcmp(argv[2], "domain") == 0) {
117 res = psc_disable_domain(psc_module);
118 printf("psc_disable_domain(%d) - %s\n", psc_module,
119 (res) ? "ERROR" : "OK");
124 return cmd_usage(cmdtp);
128 psc, 3, 0, do_psc_cmd,
129 "<enable/disable psc module os disable domain>",
130 "<mod/domain index> <en|di|domain>\n"
131 "Intended to control Power and Sleep Controller (PSC) domains and\n"
132 "modules. The module or domain index exectly corresponds to ones\n"
133 "listed in official TRM. For instance, to enable MSMC RAM clock\n"
134 "domain use command: psc 14 en.\n"