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author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-20 17:04:11 +0900 |
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committer | Tom Rini <trini@ti.com> | 2015-02-21 08:23:52 -0500 |
commit | 39a723452f430a7ef89b0ffa934b2d4312890076 (patch) | |
tree | 96e7b662299ad54d5297321a4e9f940d3821323b /arch/arm/mach-keystone/cmd_clock.c | |
parent | 63637a484614490685b68a70bdf93b435c063363 (diff) | |
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ARM: keystone: move SoC sources to mach-keystone
Move
arch/arm/cpu/armv7/keystone/* -> arch/arm/mach-keystone/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/mach-keystone/cmd_clock.c')
-rw-r--r-- | arch/arm/mach-keystone/cmd_clock.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/cmd_clock.c b/arch/arm/mach-keystone/cmd_clock.c new file mode 100644 index 0000000..af1b701 --- /dev/null +++ b/arch/arm/mach-keystone/cmd_clock.c @@ -0,0 +1,135 @@ +/* + * keystone2: commands for clocks + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <asm/arch/hardware.h> +#include <asm/arch/clock.h> +#include <asm/arch/psc_defs.h> + +struct pll_init_data cmd_pll_data = { + .pll = MAIN_PLL, + .pll_m = 16, + .pll_d = 1, + .pll_od = 2, +}; + +int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + if (argc != 5) + goto pll_cmd_usage; + + if (strncmp(argv[1], "pa", 2) == 0) + cmd_pll_data.pll = PASS_PLL; +#ifndef CONFIG_SOC_K2E + else if (strncmp(argv[1], "arm", 3) == 0) + cmd_pll_data.pll = TETRIS_PLL; +#endif +#ifdef CONFIG_SOC_K2HK + else if (strncmp(argv[1], "ddr3a", 5) == 0) + cmd_pll_data.pll = DDR3A_PLL; + else if (strncmp(argv[1], "ddr3b", 5) == 0) + cmd_pll_data.pll = DDR3B_PLL; +#else + else if (strncmp(argv[1], "ddr3", 4) == 0) + cmd_pll_data.pll = DDR3_PLL; +#endif + else + goto pll_cmd_usage; + + cmd_pll_data.pll_m = simple_strtoul(argv[2], NULL, 10); + cmd_pll_data.pll_d = simple_strtoul(argv[3], NULL, 10); + cmd_pll_data.pll_od = simple_strtoul(argv[4], NULL, 10); + + printf("Trying to set pll %d; mult %d; div %d; OD %d\n", + cmd_pll_data.pll, cmd_pll_data.pll_m, + cmd_pll_data.pll_d, cmd_pll_data.pll_od); + init_pll(&cmd_pll_data); + + return 0; + +pll_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + pllset, 5, 0, do_pll_cmd, + "set pll multiplier and pre divider", + PLLSET_CMD_LIST " <mult> <div> <OD>\n" +); + +int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned int clk; + unsigned int freq; + + if (argc != 2) + goto getclk_cmd_usage; + + clk = simple_strtoul(argv[1], NULL, 10); + + freq = clk_get_rate(clk); + printf("clock index [%d] - frequency %u\n", clk, freq); + return 0; + +getclk_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + getclk, 2, 0, do_getclk_cmd, + "get clock rate", + "<clk index>\n" + "The indexes for clocks:\n" + CLOCK_INDEXES_LIST +); + +int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int psc_module; + int res; + + if (argc != 3) + goto psc_cmd_usage; + + psc_module = simple_strtoul(argv[1], NULL, 10); + if (strcmp(argv[2], "en") == 0) { + res = psc_enable_module(psc_module); + printf("psc_enable_module(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + + if (strcmp(argv[2], "di") == 0) { + res = psc_disable_module(psc_module); + printf("psc_disable_module(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + + if (strcmp(argv[2], "domain") == 0) { + res = psc_disable_domain(psc_module); + printf("psc_disable_domain(%d) - %s\n", psc_module, + (res) ? "ERROR" : "OK"); + return 0; + } + +psc_cmd_usage: + return cmd_usage(cmdtp); +} + +U_BOOT_CMD( + psc, 3, 0, do_psc_cmd, + "<enable/disable psc module os disable domain>", + "<mod/domain index> <en|di|domain>\n" + "Intended to control Power and Sleep Controller (PSC) domains and\n" + "modules. The module or domain index exectly corresponds to ones\n" + "listed in official TRM. For instance, to enable MSMC RAM clock\n" + "domain use command: psc 14 en.\n" +); |