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l4t: add custom options

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That's a special flag config that controls ARC.
This commit is contained in:
CTCaer 2024-02-16 15:53:04 +02:00
parent 1f30b8deb7
commit 05f4c42a2d
1 changed files with 8 additions and 5 deletions
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13
bootloader/l4t/l4t.c
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@ -109,13 +109,11 @@
#define BPMPFW_B01_DTB_EMC_ENABLE_OFF 0x20
#define BPMPFW_B01_DTB_EMC_VALUES_OFF 0x4C
#define BPMPFW_B01_DTB_EMC_FREQ_VAL 0x8C
#define BPMPFW_B01_DTB_EMC_SCC_OFF 0x108C
#define BPMPFW_B01_DTB_EMC_PLLM_DIVM_VAL 0x10A4
#define BPMPFW_B01_DTB_EMC_PLLM_DIVN_VAL 0x10A8
#define BPMPFW_B01_DTB_EMC_PLLM_DIVP_VAL 0x10AC
#define BPMPFW_B01_DTB_EMC_OPT_VAL 0xEDC
#define BPMPFW_B01_DTB_EMC_TBL_START(idx) (BPMPFW_B01_DTB_EMC_TBL_OFF + BPMPFW_B01_DTB_EMC_TBL_SZ * (idx))
#define BPMPFW_B01_DTB_EMC_TBL_SET_VAL(idx, off, val) (*(u32 *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + (off)) = (val))
#define BPMPFW_B01_DTB_EMC_TBL_SET_FREQ(idx, freq) (*(u32 *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + BPMPFW_B01_DTB_EMC_FREQ_VAL) = (freq))
#define BPMPFW_B01_DTB_EMC_TBL_SET_OPTC(idx, opt) (*(u32 *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + BPMPFW_B01_DTB_EMC_OPT_VAL) = (opt))
#define BPMPFW_B01_DTB_EMC_TBL_SET_NAME(idx, name) (strcpy((char *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + BPMPFW_B01_DTB_EMC_NAME_VAL), (name)))
#define BPMPFW_B01_DTB_EMC_TBL_ENABLE(idx) (*(char *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + BPMPFW_B01_DTB_EMC_ENABLE_OFF) = 'n')
#define BPMPFW_B01_DTB_EMC_TBL_OFFSET(idx) ((void *)(BPMPFW_B01_DTB_EMC_TBL_START(idx) + BPMPFW_B01_DTB_EMC_VALUES_OFF))
@ -258,6 +256,7 @@ typedef struct _l4t_ctxt_t
int ram_oc_freq;
int ram_oc_vdd2;
int ram_oc_vddq;
int ram_oc_opt;
u32 serial_port;
u32 sc7entry_size;
@ -720,6 +719,7 @@ static void _l4t_bpmpfw_b01_config(l4t_ctxt_t *ctxt)
{
char *ram_oc_txt = ctxt->ram_oc_txt;
u32 ram_oc_freq = ctxt->ram_oc_freq;
u32 ram_oc_opt = ctxt->ram_oc_opt;
u32 ram_id = fuse_read_dramid(true);
// Set default parameters.
@ -778,6 +778,7 @@ static void _l4t_bpmpfw_b01_config(l4t_ctxt_t *ctxt)
BPMPFW_B01_DTB_EMC_TBL_SET_NAME(tbl_idx, ram_oc_txt);
BPMPFW_B01_DTB_EMC_TBL_SET_FREQ(tbl_idx, ram_oc_freq);
BPMPFW_B01_DTB_EMC_TBL_SET_OPTC(tbl_idx, ram_oc_opt);
// Enable table.
BPMPFW_B01_DTB_EMC_TBL_ENABLE(tbl_idx);
@ -871,6 +872,8 @@ static void _l4t_set_config(l4t_ctxt_t *ctxt, const ini_sec_t *ini_sec, int entr
else if (ctxt->ram_oc_vddq < DRAM_VDDQ_OC_MIN_VOLTAGE)
ctxt->ram_oc_vddq = 0;
}
else if (!strcmp("ram_oc_opt", kv->key))
ctxt->ram_oc_opt = atoi(kv->val);
else if (!strcmp("uart_port", kv->key))
ctxt->serial_port = atoi(kv->val);
@ -1109,7 +1112,7 @@ void launch_l4t(const ini_sec_t *ini_sec, int entry_idx, int is_list, bool t210b
max7762x_regulator_set_voltage(REGULATOR_SD1, ctxt.ram_oc_vdd2 * 1000);
// Train the rest of the table, apply FSP WAR, set RAM to 800 MHz.
minerva_prep_boot_l4t(ctxt.ram_oc_freq);
minerva_prep_boot_l4t(ctxt.ram_oc_freq, ctxt.ram_oc_opt);
// Set emc table parameters and copy it.
int table_entries = minerva_get_mtc_table_entries();