void __recalibrate_iodelay(struct pad_conf_entry const *pad, int npads,
struct iodelay_cfg_entry const *iodelay,
int niodelays)
{
int ret = 0;
/* IO recalibration should be done only from SRAM */
if (OMAP_INIT_CONTEXT_SPL != omap_hw_init_context()) {
puts("IODELAY recalibration called from invalid context - use only from SPL in SRAM\n");
return;
}
ret = __recalibrate_iodelay_start();
if (ret)
goto err;
/* Configure Mux settings */
do_set_mux32((*ctrl)->control_padconf_core_base, pad, npads);
/* Configure Manual IO timing modes */
ret = do_set_iodelay((*ctrl)->iodelay_config_base, iodelay, niodelays);
if (ret)
goto err;
err:
__recalibrate_iodelay_end(ret);
}
void late_recalibrate_iodelay(struct pad_conf_entry const *pad, int npads,
struct iodelay_cfg_entry const *iodelay,
int niodelays)
{
int ret = 0;
/* unlock IODELAY CONFIG registers */
writel(CFG_IODELAY_UNLOCK_KEY, (*ctrl)->iodelay_config_base +
CFG_REG_8_OFFSET);
ret = calibrate_iodelay((*ctrl)->iodelay_config_base);
if (ret)
goto err;
ret = update_delay_mechanism((*ctrl)->iodelay_config_base);
/* Configure Mux settings */
do_set_mux32((*ctrl)->control_padconf_core_base, pad, npads);
/* Configure Manual IO timing modes */
ret = do_set_iodelay((*ctrl)->iodelay_config_base, iodelay, niodelays);
if (ret)
goto err;
err:
/* lock IODELAY CONFIG registers */
writel(CFG_IODELAY_LOCK_KEY, (*ctrl)->iodelay_config_base +
CFG_REG_8_OFFSET);
}
void set_muxconf_regs_essential(void)
{
do_set_mux32((*ctrl)->control_padconf_core_base,
core_padconf_array_essential,
sizeof(core_padconf_array_essential) /
sizeof(struct pad_conf_entry));
}
void set_muxconf_regs_essential(void)
{
do_set_mux32((*ctrl)->control_padconf_core_base,
early_padconf, ARRAY_SIZE(early_padconf));
}
void recalibrate_iodelay(void)
{
struct pad_conf_entry const *pads, *delta_pads = NULL;
struct iodelay_cfg_entry const *iodelay;
int npads, niodelays, delta_npads = 0;
int ret;
switch (omap_revision()) {
case DRA722_ES1_0:
case DRA722_ES2_0:
pads = dra72x_core_padconf_array_common;
npads = ARRAY_SIZE(dra72x_core_padconf_array_common);
if (board_is_dra72x_revc_or_later()) {
delta_pads = dra72x_rgmii_padconf_array_revc;
delta_npads =
ARRAY_SIZE(dra72x_rgmii_padconf_array_revc);
iodelay = dra72_iodelay_cfg_array_revc;
niodelays = ARRAY_SIZE(dra72_iodelay_cfg_array_revc);
} else {
delta_pads = dra72x_rgmii_padconf_array_revb;
delta_npads =
ARRAY_SIZE(dra72x_rgmii_padconf_array_revb);
iodelay = dra72_iodelay_cfg_array_revb;
niodelays = ARRAY_SIZE(dra72_iodelay_cfg_array_revb);
}
break;
case DRA752_ES1_0:
case DRA752_ES1_1:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es1_1_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
break;
default:
case DRA752_ES2_0:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es2_0_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
/* Setup port1 and port2 for rgmii with 'no-id' mode */
clrset_spare_register(1, 0, RGMII2_ID_MODE_N_MASK |
RGMII1_ID_MODE_N_MASK);
break;
}
/* Setup I/O isolation */
ret = __recalibrate_iodelay_start();
if (ret)
goto err;
/* Do the muxing here */
do_set_mux32((*ctrl)->control_padconf_core_base, pads, npads);
/* Now do the weird minor deltas that should be safe */
if (delta_npads)
do_set_mux32((*ctrl)->control_padconf_core_base,
delta_pads, delta_npads);
/* Setup IOdelay configuration */
ret = do_set_iodelay((*ctrl)->iodelay_config_base, iodelay, niodelays);
err:
/* Closeup.. remove isolation */
__recalibrate_iodelay_end(ret);
}
void recalibrate_iodelay(void)
{
const struct pad_conf_entry *pconf;
const struct iodelay_cfg_entry *iod;
int pconf_sz, iod_sz;
int ret;
if (board_is_am572x_idk()) {
pconf = core_padconf_array_essential_am572x_idk;
pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am572x_idk);
iod = iodelay_cfg_array_am572x_idk;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_am572x_idk);
} else if (board_is_am571x_idk()) {
pconf = core_padconf_array_essential_am571x_idk;
pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am571x_idk);
iod = iodelay_cfg_array_am571x_idk;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_am571x_idk);
} else {
/* Common for X15/GPEVM */
pconf = core_padconf_array_essential_x15;
pconf_sz = ARRAY_SIZE(core_padconf_array_essential_x15);
/* There never was an SR1.0 X15.. So.. */
if (omap_revision() == DRA752_ES1_1) {
iod = iodelay_cfg_array_x15_sr1_1;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_x15_sr1_1);
} else {
/* Since full production should switch to SR2.0 */
iod = iodelay_cfg_array_x15_sr2_0;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_x15_sr2_0);
}
}
/* Setup I/O isolation */
ret = __recalibrate_iodelay_start();
if (ret)
goto err;
/* Do the muxing here */
do_set_mux32((*ctrl)->control_padconf_core_base, pconf, pconf_sz);
/* Now do the weird minor deltas that should be safe */
if (board_is_x15() || board_is_am572x_evm()) {
if (board_is_x15_revb1() || board_is_am572x_evm_reva3()) {
pconf = core_padconf_array_delta_x15_sr2_0;
pconf_sz = ARRAY_SIZE(core_padconf_array_delta_x15_sr2_0);
} else {
pconf = core_padconf_array_delta_x15_sr1_1;
pconf_sz = ARRAY_SIZE(core_padconf_array_delta_x15_sr1_1);
}
do_set_mux32((*ctrl)->control_padconf_core_base, pconf, pconf_sz);
}
if (board_is_am571x_idk()) {
if (am571x_idk_needs_lcd()) {
pconf = core_padconf_array_vout_am571x_idk;
pconf_sz = ARRAY_SIZE(core_padconf_array_vout_am571x_idk);
} else {
pconf = core_padconf_array_icss1eth_am571x_idk;
pconf_sz = ARRAY_SIZE(core_padconf_array_icss1eth_am571x_idk);
}
do_set_mux32((*ctrl)->control_padconf_core_base, pconf, pconf_sz);
}
/* Setup IOdelay configuration */
ret = do_set_iodelay((*ctrl)->iodelay_config_base, iod, iod_sz);
err:
/* Closeup.. remove isolation */
__recalibrate_iodelay_end(ret);
}
void recalibrate_iodelay(void)
{
struct pad_conf_entry const *pads, *delta_pads = NULL;
struct iodelay_cfg_entry const *iodelay;
int npads, niodelays, delta_npads = 0;
int ret;
switch (omap_revision()) {
case DRA722_ES1_0:
case DRA722_ES2_0:
case DRA722_ES2_1:
pads = dra72x_core_padconf_array_common;
npads = ARRAY_SIZE(dra72x_core_padconf_array_common);
if (board_is_dra71x_evm()) {
pads = dra71x_core_padconf_array;
npads = ARRAY_SIZE(dra71x_core_padconf_array);
iodelay = dra71_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra71_iodelay_cfg_array);
/* If SW8 on the EVM is set to enable NAND then
* overwrite the pins used by VOUT3 with NAND.
*/
if (!nand_sw_detect()) {
delta_pads = dra71x_nand_padconf_array;
delta_npads =
ARRAY_SIZE(dra71x_nand_padconf_array);
} else {
delta_pads = dra71x_vout3_padconf_array;
delta_npads =
ARRAY_SIZE(dra71x_vout3_padconf_array);
}
} else if (board_is_dra72x_revc_or_later()) {
delta_pads = dra72x_rgmii_padconf_array_revc;
delta_npads =
ARRAY_SIZE(dra72x_rgmii_padconf_array_revc);
iodelay = dra72_iodelay_cfg_array_revc;
niodelays = ARRAY_SIZE(dra72_iodelay_cfg_array_revc);
} else {
delta_pads = dra72x_rgmii_padconf_array_revb;
delta_npads =
ARRAY_SIZE(dra72x_rgmii_padconf_array_revb);
iodelay = dra72_iodelay_cfg_array_revb;
niodelays = ARRAY_SIZE(dra72_iodelay_cfg_array_revb);
}
break;
case DRA752_ES1_0:
case DRA752_ES1_1:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es1_1_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
break;
case DRA762_ACD_ES1_0:
case DRA762_ES1_0:
pads = dra76x_core_padconf_array;
npads = ARRAY_SIZE(dra76x_core_padconf_array);
iodelay = dra76x_es1_0_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra76x_es1_0_iodelay_cfg_array);
break;
default:
case DRA752_ES2_0:
case DRA762_ABZ_ES1_0:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es2_0_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
/* Setup port1 and port2 for rgmii with 'no-id' mode */
clrset_spare_register(1, 0, RGMII2_ID_MODE_N_MASK |
RGMII1_ID_MODE_N_MASK);
break;
}
/* Setup I/O isolation */
ret = __recalibrate_iodelay_start();
if (ret)
goto err;
/* Do the muxing here */
do_set_mux32((*ctrl)->control_padconf_core_base, pads, npads);
/* Now do the weird minor deltas that should be safe */
if (delta_npads)
do_set_mux32((*ctrl)->control_padconf_core_base,
delta_pads, delta_npads);
if (is_dra76x())
/* Set mux for MCAN instead of DCAN1 */
clrsetbits_le32((*ctrl)->control_core_control_spare_rw,
MCAN_SEL_ALT_MASK, MCAN_SEL);
/* Setup IOdelay configuration */
ret = do_set_iodelay((*ctrl)->iodelay_config_base, iodelay, niodelays);
err:
/* Closeup.. remove isolation */
__recalibrate_iodelay_end(ret);
}