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Code Issues Releases Activity

l4t: raise T210 vdd2 limit to 1237.5mV

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CTCaer 2024-02-16 15:57:22 +02:00
parent f05563579e
commit be3297ae1f
1 changed files with 12 additions and 8 deletions
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20
bootloader/l4t/l4t.c
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@ -264,10 +264,11 @@ typedef struct _l4t_ctxt_t
emc_table_t *mtc_table; emc_table_t *mtc_table;
} l4t_ctxt_t; } l4t_ctxt_t;
#define DRAM_VDD2_OC_MIN_VOLTAGE 1050 #define DRAM_VDD2_OC_MIN_VOLTAGE 1050
#define DRAM_VDD2_OC_MAX_VOLTAGE 1175 #define DRAM_VDD2_OC_MAX_VOLTAGE 1175
#define DRAM_VDDQ_OC_MIN_VOLTAGE 550 #define DRAM_VDD2Q_OC_MAX_VOLTAGE 1237
#define DRAM_VDDQ_OC_MAX_VOLTAGE 650 #define DRAM_VDDQ_OC_MIN_VOLTAGE 550
#define DRAM_VDDQ_OC_MAX_VOLTAGE 650
#define DRAM_T210B01_TBL_MAX_FREQ 1600000 #define DRAM_T210B01_TBL_MAX_FREQ 1600000
//! TODO: Update on dram config changes. //! TODO: Update on dram config changes.
@ -840,7 +841,7 @@ static void _l4t_bl33_cfg_set_key(char *env, char *key, char *val)
strcat(env, "\n"); strcat(env, "\n");
} }
static void _l4t_set_config(l4t_ctxt_t *ctxt, const ini_sec_t *ini_sec, int entry_idx, int is_list) static void _l4t_set_config(l4t_ctxt_t *ctxt, const ini_sec_t *ini_sec, int entry_idx, int is_list, bool t210b01)
{ {
char *bl33_env = (char *)BL33_ENV_BASE; char *bl33_env = (char *)BL33_ENV_BASE;
bl33_env[0] = '\0'; bl33_env[0] = '\0';
@ -859,10 +860,13 @@ static void _l4t_set_config(l4t_ctxt_t *ctxt, const ini_sec_t *ini_sec, int entr
else if (!strcmp("ram_oc_vdd2", kv->key)) else if (!strcmp("ram_oc_vdd2", kv->key))
{ {
ctxt->ram_oc_vdd2 = atoi(kv->val); ctxt->ram_oc_vdd2 = atoi(kv->val);
if (ctxt->ram_oc_vdd2 > DRAM_VDD2_OC_MAX_VOLTAGE)
if (t210b01 && ctxt->ram_oc_vdd2 > DRAM_VDD2_OC_MAX_VOLTAGE)
ctxt->ram_oc_vdd2 = DRAM_VDD2_OC_MAX_VOLTAGE; ctxt->ram_oc_vdd2 = DRAM_VDD2_OC_MAX_VOLTAGE;
else if (!t210b01 && ctxt->ram_oc_vdd2 > DRAM_VDD2Q_OC_MAX_VOLTAGE)
ctxt->ram_oc_vdd2 = DRAM_VDD2Q_OC_MAX_VOLTAGE;
else if (ctxt->ram_oc_vdd2 < DRAM_VDD2_OC_MIN_VOLTAGE) else if (ctxt->ram_oc_vdd2 < DRAM_VDD2_OC_MIN_VOLTAGE)
ctxt->ram_oc_vdd2 = 0; ctxt->ram_oc_vdd2 = DRAM_VDD2_OC_MIN_VOLTAGE;
} }
else if (!strcmp("ram_oc_vddq", kv->key)) else if (!strcmp("ram_oc_vddq", kv->key))
{ {
@ -924,7 +928,7 @@ void launch_l4t(const ini_sec_t *ini_sec, int entry_idx, int is_list, bool t210b
gfx_con_setpos(0, 0); gfx_con_setpos(0, 0);
// Parse config. // Parse config.
_l4t_set_config(&ctxt, ini_sec, entry_idx, is_list); _l4t_set_config(&ctxt, ini_sec, entry_idx, is_list, t210b01);
if (!ctxt.path) if (!ctxt.path)
{ {