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/*
*
* @Component OMAPCONF
* @Filename abb44xx.c
* @Description OMAP4 PRCM ABB Definitions & Functions
* @Author Patrick Titiano (p-titiano@ti.com)
* @Date 2010
* @Copyright Texas Instruments Incorporated
*
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/


#include <abb44xx.h>
#include <abb.h>
#include <cm44xx.h>
#include <prm44xx.h>
#include <pwrdm44xx.h>
#include <clock44xx.h>
#include <lib44xx.h>
#include <autoadjust_table.h>
#include <help.h>
#include <lib.h>
#include <mem.h>
#include <cpuinfo.h>
#include <string.h>


/* #define ABB44XX_DEBUG */
#ifdef ABB44XX_DEBUG
#define dprintf(format, ...) printf(format, ## __VA_ARGS__)
#else
#define dprintf(format, ...)
#endif

#define PRCM_ABB_REG_TABLE_SIZE 5

static reg_table prcm_abb_reg_table[PRCM_ABB_REG_TABLE_SIZE];
static unsigned int init_done = 0;

static int abb44xx_regtable_init(void);


/* ------------------------------------------------------------------------*//**
* @FUNCTION abb44xx_name2addr
* @BRIEF retrieve physical address of a register, given its name
* @RETURNS 0 in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_REG_ACCESS
* @param[in] name: register name
* @param[in,out] addr: register address
* @DESCRIPTION retrieve physical address of a register, given its name
*//*------------------------------------------------------------------------ */
int abb44xx_name2addr(char *name, unsigned int *addr)
{
CHECK_CPU(44xx, OMAPCONF_ERR_CPU);

if (!init_done)
abb44xx_regtable_init();

return name2addr(name, addr, prcm_abb_reg_table);
}


/* ------------------------------------------------------------------------*//**
* @FUNCTION abb44xx_dump
* @BRIEF dump PRCM ABB registers
* @RETURNS 0 in case of success
* OMAPCONF_ERR_REG_ACCESS
* @DESCRIPTION dump PRCM ABB registers
*//*------------------------------------------------------------------------ */
int abb44xx_dump(void)
{
CHECK_CPU(44xx, OMAPCONF_ERR_CPU);

if (!init_done)
abb44xx_regtable_init();

return dumpregs(prcm_abb_reg_table);
}


/* ------------------------------------------------------------------------*//**
* @FUNCTION abb44xx_config_show
* @BRIEF analyze power configuration
* @RETURNS 0 in case of success
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_REG_ACCESS
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_INTERNAL
* @DESCRIPTION analyze power configuration
*//*------------------------------------------------------------------------ */
int abb44xx_config_show(void)
{
unsigned int abb_mpu_setup, abb_mpu_ctrl;
unsigned int abb_iva_setup, abb_iva_ctrl;
double sysclk_rate;
int ret;

CHECK_CPU(44xx, OMAPCONF_ERR_CPU);

ret = mem_read(OMAP4430_PRM_LDO_ABB_MPU_SETUP, &abb_mpu_setup);
ret += mem_read(OMAP4430_PRM_LDO_ABB_MPU_CTRL, &abb_mpu_ctrl);
ret += mem_read(OMAP4430_PRM_LDO_ABB_IVA_SETUP, &abb_iva_setup);
ret += mem_read(OMAP4430_PRM_LDO_ABB_IVA_CTRL, &abb_iva_ctrl);
if (ret != 0)
return OMAPCONF_ERR_REG_ACCESS;

sysclk_rate = clk44xx_get_system_clock_speed();
if (sysclk_rate <= 0) {
fprintf(stderr, "%s(): could not retrieve sysclk rate! (%d)\n",
__func__, (int) sysclk_rate);
return OMAPCONF_ERR_INTERNAL;
}

return abb_config_show(stdout, sysclk_rate,
abb_mpu_setup, abb_mpu_ctrl, abb_iva_setup, abb_iva_ctrl);
}


/* ------------------------------------------------------------------------*//**
* @FUNCTION abb44xx_main
* @BRIEF abb menu
* @RETURNS 0 in case of success
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_INTERNAL
* @param[in] argc: shell input argument number
* @param[in] argv: shell input argument(s)
* @DESCRIPTION abb menu
*//*------------------------------------------------------------------------ */
int abb44xx_main(int argc, char *argv[])
{
int ret;

CHECK_CPU(44xx, OMAPCONF_ERR_CPU);

if (argc == 2) {
if (strcmp(argv[1], "dump") == 0) {
ret = abb44xx_dump();
} else if (strcmp(argv[1], "cfg") == 0) {
ret = abb44xx_config_show();
} else {
help(HELP_ABB);
ret = OMAPCONF_ERR_ARG;
}
} else {
help(HELP_ABB);
ret = OMAPCONF_ERR_ARG;
}

return ret;
}



/* ------------------------------------------------------------------------*//**
* @FUNCTION abb44xx_regtable_init
* @BRIEF initialize regtable
* @RETURNS 0
* OMAPCONF_ERR_CPU
* @DESCRIPTION initialize regtable
*//*------------------------------------------------------------------------ */
static int abb44xx_regtable_init(void)
{
int i = 0;

CHECK_CPU(44xx, OMAPCONF_ERR_CPU);

/* Init PRCM registers table */
strcpy(prcm_abb_reg_table[i].name, "PRM_LDO_ABB_MPU_SETUP");
prcm_abb_reg_table[i++].addr = OMAP4430_PRM_LDO_ABB_MPU_SETUP;
strcpy(prcm_abb_reg_table[i].name, "PRM_LDO_ABB_MPU_CTRL");
prcm_abb_reg_table[i++].addr = OMAP4430_PRM_LDO_ABB_MPU_CTRL;
strcpy(prcm_abb_reg_table[i].name, "PRM_LDO_ABB_IVA_SETUP");
prcm_abb_reg_table[i++].addr = OMAP4430_PRM_LDO_ABB_IVA_SETUP;
strcpy(prcm_abb_reg_table[i].name, "PRM_LDO_ABB_IVA_CTRL");
prcm_abb_reg_table[i++].addr = OMAP4430_PRM_LDO_ABB_IVA_CTRL;
strcpy(prcm_abb_reg_table[i].name, "END");
prcm_abb_reg_table[i].addr = 0;

dprintf("prcm_abb_reg_table last index=%d, size=%d\n", i, i + 1);

init_done = 1;
return 0;
}
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