/*
* Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
* We set the maximum voltages allowed here because Smart-Reflex is not
* enabled in bootloader. Voltage initialization in the kernel will set
* these to the nominal values after enabling Smart-Reflex
*/
void scale_vcores(struct vcores_data const *vcores)
{
u32 val;
val = optimize_vcore_voltage(&vcores->core);
do_scale_vcore(vcores->core.addr, val, vcores->core.pmic);
val = optimize_vcore_voltage(&vcores->mpu);
do_scale_vcore(vcores->mpu.addr, val, vcores->mpu.pmic);
/* Configure MPU ABB LDO after scale */
abb_setup((*ctrl)->control_std_fuse_opp_vdd_mpu_2,
(*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
(*prcm)->prm_abbldo_mpu_setup,
(*prcm)->prm_abbldo_mpu_ctrl,
(*prcm)->prm_irqstatus_mpu_2,
OMAP_ABB_MPU_TXDONE_MASK,
OMAP_ABB_FAST_OPP);
val = optimize_vcore_voltage(&vcores->mm);
do_scale_vcore(vcores->mm.addr, val, vcores->mm.pmic);
val = optimize_vcore_voltage(&vcores->gpu);
do_scale_vcore(vcores->gpu.addr, val, vcores->gpu.pmic);
val = optimize_vcore_voltage(&vcores->eve);
do_scale_vcore(vcores->eve.addr, val, vcores->eve.pmic);
val = optimize_vcore_voltage(&vcores->iva);
do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic);
}
/*
* Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
* We set the maximum voltages allowed here because Smart-Reflex is not
* enabled in bootloader. Voltage initialization in the kernel will set
* these to the nominal values after enabling Smart-Reflex
*/
void scale_vcores(struct vcores_data const *vcores)
{
u32 val;
val = optimize_vcore_voltage(&vcores->core);
do_scale_vcore(vcores->core.addr, val, vcores->core.pmic);
val = optimize_vcore_voltage(&vcores->mpu);
do_scale_vcore(vcores->mpu.addr, val, vcores->mpu.pmic);
/* Configure MPU ABB LDO after scale */
abb_setup((*ctrl)->control_std_fuse_opp_vdd_mpu_2,
(*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
(*prcm)->prm_abbldo_mpu_setup,
(*prcm)->prm_abbldo_mpu_ctrl,
(*prcm)->prm_irqstatus_mpu_2,
OMAP_ABB_MPU_TXDONE_MASK,
OMAP_ABB_FAST_OPP);
val = optimize_vcore_voltage(&vcores->mm);
do_scale_vcore(vcores->mm.addr, val, vcores->mm.pmic);
val = optimize_vcore_voltage(&vcores->gpu);
do_scale_vcore(vcores->gpu.addr, val, vcores->gpu.pmic);
val = optimize_vcore_voltage(&vcores->eve);
do_scale_vcore(vcores->eve.addr, val, vcores->eve.pmic);
val = optimize_vcore_voltage(&vcores->iva);
do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic);
if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) {
/* Configure LDO SRAM "magic" bits */
writel(2, (*prcm)->prm_sldo_core_setup);
writel(2, (*prcm)->prm_sldo_mpu_setup);
writel(2, (*prcm)->prm_sldo_mm_setup);
}
}
/*
* Setup the voltages for the main SoC core power domains.
* We start with the maximum voltages allowed here, as set in the corresponding
* vcores_data struct, and then scale (usually down) to the fused values that
* are retrieved from the SoC. The scaling happens only if the efuse.reg fields
* are initialised.
* Rail grouping is supported for the DRA7xx SoCs only, therefore the code is
* compiled conditionally. Note that the new code writes the scaled (or zeroed)
* values back to the vcores_data struct for eventual reuse. Zero values mean
* that the corresponding rails are not controlled separately, and are not sent
* to the PMIC.
*/
void scale_vcores(struct vcores_data const *vcores)
{
int i, opp, j, ol;
struct volts *pv = (struct volts *)vcores;
struct volts *px;
for (i=0; i<(sizeof(struct vcores_data)/sizeof(struct volts)); i++) {
opp = get_voltrail_opp(i);
debug("%d -> ", pv->value[opp]);
if (pv->value[opp]) {
/* Handle non-empty members only */
pv->value[opp] = optimize_vcore_voltage(pv, opp);
px = (struct volts *)vcores;
j = 0;
while (px < pv) {
/*
* Scan already handled non-empty members to see
* if we have a group and find the max voltage,
* which is set to the first occurance of the
* particular SMPS; the other group voltages are
* zeroed.
*/
ol = get_voltrail_opp(j);
if (px->value[ol] &&
(pv->pmic->i2c_slave_addr ==
px->pmic->i2c_slave_addr) &&
(pv->addr == px->addr)) {
/* Same PMIC, same SMPS */
if (pv->value[opp] > px->value[ol])
px->value[ol] = pv->value[opp];
pv->value[opp] = 0;
}
px++;
j++;
}
}
debug("%d\n", pv->value[opp]);
pv++;
}
opp = get_voltrail_opp(VOLT_CORE);
debug("cor: %d\n", vcores->core.value[opp]);
do_scale_vcore(vcores->core.addr, vcores->core.value[opp],
vcores->core.pmic);
/*
* IO delay recalibration should be done immediately after
* adjusting AVS voltages for VDD_CORE_L.
* Respective boards should call __recalibrate_iodelay()
* with proper mux, virtual and manual mode configurations.
*/
#ifdef CONFIG_IODELAY_RECALIBRATION
recalibrate_iodelay();
#endif
opp = get_voltrail_opp(VOLT_MPU);
debug("mpu: %d\n", vcores->mpu.value[opp]);
do_scale_vcore(vcores->mpu.addr, vcores->mpu.value[opp],
vcores->mpu.pmic);
/* Configure MPU ABB LDO after scale */
abb_setup(vcores->mpu.efuse.reg[opp],
(*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
(*prcm)->prm_abbldo_mpu_setup,
(*prcm)->prm_abbldo_mpu_ctrl,
(*prcm)->prm_irqstatus_mpu_2,
vcores->mpu.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
opp = get_voltrail_opp(VOLT_MM);
debug("mm: %d\n", vcores->mm.value[opp]);
do_scale_vcore(vcores->mm.addr, vcores->mm.value[opp],
vcores->mm.pmic);
/* Configure MM ABB LDO after scale */
abb_setup(vcores->mm.efuse.reg[opp],
(*ctrl)->control_wkup_ldovbb_mm_voltage_ctrl,
(*prcm)->prm_abbldo_mm_setup,
(*prcm)->prm_abbldo_mm_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->mm.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
opp = get_voltrail_opp(VOLT_GPU);
debug("gpu: %d\n", vcores->gpu.value[opp]);
do_scale_vcore(vcores->gpu.addr, vcores->gpu.value[opp],
vcores->gpu.pmic);
/* Configure GPU ABB LDO after scale */
abb_setup(vcores->gpu.efuse.reg[opp],
(*ctrl)->control_wkup_ldovbb_gpu_voltage_ctrl,
(*prcm)->prm_abbldo_gpu_setup,
(*prcm)->prm_abbldo_gpu_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->gpu.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
opp = get_voltrail_opp(VOLT_EVE);
debug("eve: %d\n", vcores->eve.value[opp]);
do_scale_vcore(vcores->eve.addr, vcores->eve.value[opp],
vcores->eve.pmic);
/* Configure EVE ABB LDO after scale */
abb_setup(vcores->eve.efuse.reg[opp],
(*ctrl)->control_wkup_ldovbb_eve_voltage_ctrl,
(*prcm)->prm_abbldo_eve_setup,
(*prcm)->prm_abbldo_eve_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->eve.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
opp = get_voltrail_opp(VOLT_IVA);
debug("iva: %d\n", vcores->iva.value[opp]);
do_scale_vcore(vcores->iva.addr, vcores->iva.value[opp],
vcores->iva.pmic);
/* Configure IVA ABB LDO after scale */
abb_setup(vcores->iva.efuse.reg[opp],
(*ctrl)->control_wkup_ldovbb_iva_voltage_ctrl,
(*prcm)->prm_abbldo_iva_setup,
(*prcm)->prm_abbldo_iva_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->iva.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
}
/*
* Setup the voltages for the main SoC core power domains.
* We start with the maximum voltages allowed here, as set in the corresponding
* vcores_data struct, and then scale (usually down) to the fused values that
* are retrieved from the SoC. The scaling happens only if the efuse.reg fields
* are initialised.
* Rail grouping is supported for the DRA7xx SoCs only, therefore the code is
* compiled conditionally. Note that the new code writes the scaled (or zeroed)
* values back to the vcores_data struct for eventual reuse. Zero values mean
* that the corresponding rails are not controlled separately, and are not sent
* to the PMIC.
*/
void scale_vcores(struct vcores_data const *vcores)
{
#if defined(CONFIG_DRA7XX)
int i;
struct volts *pv = (struct volts *)vcores;
struct volts *px;
for (i=0; i<(sizeof(struct vcores_data)/sizeof(struct volts)); i++) {
debug("%d -> ", pv->value);
if (pv->value) {
/* Handle non-empty members only */
pv->value = optimize_vcore_voltage(pv);
px = (struct volts *)vcores;
while (px < pv) {
/*
* Scan already handled non-empty members to see
* if we have a group and find the max voltage,
* which is set to the first occurance of the
* particular SMPS; the other group voltages are
* zeroed.
*/
if (px->value) {
if ((pv->pmic->i2c_slave_addr ==
px->pmic->i2c_slave_addr) &&
(pv->addr == px->addr)) {
/* Same PMIC, same SMPS */
if (pv->value > px->value)
px->value = pv->value;
pv->value = 0;
}
}
px++;
}
}
debug("%d\n", pv->value);
pv++;
}
debug("cor: %d\n", vcores->core.value);
do_scale_vcore(vcores->core.addr, vcores->core.value, vcores->core.pmic);
/*
* IO delay recalibration should be done immediately after
* adjusting AVS voltages for VDD_CORE_L.
* Respective boards should call __recalibrate_iodelay()
* with proper mux, virtual and manual mode configurations.
*/
#ifdef CONFIG_IODELAY_RECALIBRATION
recalibrate_iodelay();
#endif
debug("mpu: %d\n", vcores->mpu.value);
do_scale_vcore(vcores->mpu.addr, vcores->mpu.value, vcores->mpu.pmic);
/* Configure MPU ABB LDO after scale */
abb_setup(vcores->mpu.efuse.reg,
(*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
(*prcm)->prm_abbldo_mpu_setup,
(*prcm)->prm_abbldo_mpu_ctrl,
(*prcm)->prm_irqstatus_mpu_2,
vcores->mpu.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
/* The .mm member is not used for the DRA7xx */
debug("gpu: %d\n", vcores->gpu.value);
do_scale_vcore(vcores->gpu.addr, vcores->gpu.value, vcores->gpu.pmic);
/* Configure GPU ABB LDO after scale */
abb_setup(vcores->gpu.efuse.reg,
(*ctrl)->control_wkup_ldovbb_gpu_voltage_ctrl,
(*prcm)->prm_abbldo_gpu_setup,
(*prcm)->prm_abbldo_gpu_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->gpu.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
debug("eve: %d\n", vcores->eve.value);
do_scale_vcore(vcores->eve.addr, vcores->eve.value, vcores->eve.pmic);
/* Configure EVE ABB LDO after scale */
abb_setup(vcores->eve.efuse.reg,
(*ctrl)->control_wkup_ldovbb_eve_voltage_ctrl,
(*prcm)->prm_abbldo_eve_setup,
(*prcm)->prm_abbldo_eve_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->eve.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
debug("iva: %d\n", vcores->iva.value);
do_scale_vcore(vcores->iva.addr, vcores->iva.value, vcores->iva.pmic);
/* Configure IVA ABB LDO after scale */
abb_setup(vcores->iva.efuse.reg,
(*ctrl)->control_wkup_ldovbb_iva_voltage_ctrl,
(*prcm)->prm_abbldo_iva_setup,
(*prcm)->prm_abbldo_iva_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->iva.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
/* Might need udelay(1000) here if debug is enabled to see all prints */
#else
u32 val;
val = optimize_vcore_voltage(&vcores->core);
do_scale_vcore(vcores->core.addr, val, vcores->core.pmic);
/*
* IO delay recalibration should be done immediately after
* adjusting AVS voltages for VDD_CORE_L.
* Respective boards should call __recalibrate_iodelay()
* with proper mux, virtual and manual mode configurations.
*/
#ifdef CONFIG_IODELAY_RECALIBRATION
recalibrate_iodelay();
#endif
val = optimize_vcore_voltage(&vcores->mpu);
do_scale_vcore(vcores->mpu.addr, val, vcores->mpu.pmic);
/* Configure MPU ABB LDO after scale */
abb_setup(vcores->mpu.efuse.reg,
(*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl,
(*prcm)->prm_abbldo_mpu_setup,
(*prcm)->prm_abbldo_mpu_ctrl,
(*prcm)->prm_irqstatus_mpu_2,
vcores->mpu.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
val = optimize_vcore_voltage(&vcores->mm);
do_scale_vcore(vcores->mm.addr, val, vcores->mm.pmic);
/* Configure MM ABB LDO after scale */
abb_setup(vcores->mm.efuse.reg,
(*ctrl)->control_wkup_ldovbb_mm_voltage_ctrl,
(*prcm)->prm_abbldo_mm_setup,
(*prcm)->prm_abbldo_mm_ctrl,
(*prcm)->prm_irqstatus_mpu,
vcores->mm.abb_tx_done_mask,
OMAP_ABB_FAST_OPP);
val = optimize_vcore_voltage(&vcores->gpu);
do_scale_vcore(vcores->gpu.addr, val, vcores->gpu.pmic);
val = optimize_vcore_voltage(&vcores->eve);
do_scale_vcore(vcores->eve.addr, val, vcores->eve.pmic);
val = optimize_vcore_voltage(&vcores->iva);
do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic);
#endif
}
