cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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voltagedomains3xxx_data.c (2989B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * OMAP3 voltage domain data
      4 *
      5 * Copyright (C) 2007, 2010 Texas Instruments, Inc.
      6 * Rajendra Nayak <rnayak@ti.com>
      7 * Lesly A M <x0080970@ti.com>
      8 * Thara Gopinath <thara@ti.com>
      9 *
     10 * Copyright (C) 2008, 2011 Nokia Corporation
     11 * Kalle Jokiniemi
     12 * Paul Walmsley
     13 */
     14#include <linux/kernel.h>
     15#include <linux/err.h>
     16#include <linux/init.h>
     17
     18#include "soc.h"
     19#include "common.h"
     20#include "prm-regbits-34xx.h"
     21#include "omap_opp_data.h"
     22#include "voltage.h"
     23#include "vc.h"
     24#include "vp.h"
     25
     26/*
     27 * VDD data
     28 */
     29
     30/* OMAP3-common voltagedomain data */
     31
     32static struct voltagedomain omap3_voltdm_wkup = {
     33	.name = "wakeup",
     34};
     35
     36/* 34xx/36xx voltagedomain data */
     37
     38static const struct omap_vfsm_instance omap3_vdd1_vfsm = {
     39	.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
     40	.voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
     41};
     42
     43static const struct omap_vfsm_instance omap3_vdd2_vfsm = {
     44	.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
     45	.voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
     46};
     47
     48static struct voltagedomain omap3_voltdm_mpu = {
     49	.name = "mpu_iva",
     50	.scalable = true,
     51	.read = omap3_prm_vcvp_read,
     52	.write = omap3_prm_vcvp_write,
     53	.rmw = omap3_prm_vcvp_rmw,
     54	.vc = &omap3_vc_mpu,
     55	.vfsm = &omap3_vdd1_vfsm,
     56	.vp = &omap3_vp_mpu,
     57};
     58
     59static struct voltagedomain omap3_voltdm_core = {
     60	.name = "core",
     61	.scalable = true,
     62	.read = omap3_prm_vcvp_read,
     63	.write = omap3_prm_vcvp_write,
     64	.rmw = omap3_prm_vcvp_rmw,
     65	.vc = &omap3_vc_core,
     66	.vfsm = &omap3_vdd2_vfsm,
     67	.vp = &omap3_vp_core,
     68};
     69
     70static struct voltagedomain *voltagedomains_omap3[] __initdata = {
     71	&omap3_voltdm_mpu,
     72	&omap3_voltdm_core,
     73	&omap3_voltdm_wkup,
     74	NULL,
     75};
     76
     77/* AM35xx voltagedomain data */
     78
     79static struct voltagedomain am35xx_voltdm_mpu = {
     80	.name = "mpu_iva",
     81};
     82
     83static struct voltagedomain am35xx_voltdm_core = {
     84	.name = "core",
     85};
     86
     87static struct voltagedomain *voltagedomains_am35xx[] __initdata = {
     88	&am35xx_voltdm_mpu,
     89	&am35xx_voltdm_core,
     90	&omap3_voltdm_wkup,
     91	NULL,
     92};
     93
     94
     95static const char *const sys_clk_name __initconst = "sys_ck";
     96
     97void __init omap3xxx_voltagedomains_init(void)
     98{
     99	struct voltagedomain *voltdm;
    100	struct voltagedomain **voltdms;
    101	int i;
    102
    103	/*
    104	 * XXX Will depend on the process, validation, and binning
    105	 * for the currently-running IC
    106	 */
    107#ifdef CONFIG_PM_OPP
    108	if (cpu_is_omap3630()) {
    109		omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
    110		omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
    111	} else {
    112		omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
    113		omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
    114	}
    115#endif
    116
    117	omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data;
    118	omap3_voltdm_core.vp_param = &omap3_core_vp_data;
    119	omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data;
    120	omap3_voltdm_core.vc_param = &omap3_core_vc_data;
    121
    122	if (soc_is_am35xx())
    123		voltdms = voltagedomains_am35xx;
    124	else
    125		voltdms = voltagedomains_omap3;
    126
    127	for (i = 0; voltdm = voltdms[i], voltdm; i++)
    128		voltdm->sys_clk.name = sys_clk_name;
    129
    130	voltdm_init(voltdms);
    131};