mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 10:28:54 +00:00
99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*
|
|
* Copyright (C) 2024 ArtInChip Technology Co.,Ltd
|
|
* Author: Xiong Hao <hao.xiong@artinchip.com>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <aic_core.h>
|
|
#include <aic_common.h>
|
|
#include <ram_param.h>
|
|
|
|
#define PSRAM_SINGLE 0
|
|
#define PSRAM_PARALLEL 1
|
|
|
|
enum PSRAM_FUSE_ID {
|
|
APS3208K = 0x00,
|
|
SCKW18_12816O = 0x01,
|
|
APS12816O = 0x02,
|
|
};
|
|
|
|
struct _psram_id {
|
|
u8 psram_fuse_id;
|
|
u32 psram_chip_id;
|
|
};
|
|
|
|
struct _psram_info {
|
|
u8 mark_id;
|
|
u8 psram_num;
|
|
u32 psram_size;
|
|
struct _psram_id psram_id;
|
|
};
|
|
|
|
#define PSRAM_TABLE_INFO \
|
|
{ \
|
|
/* default 8M */ \
|
|
{0x00, PSRAM_PARALLEL, 0x800000, {APS3208K, 0x80c980c9}}, \
|
|
/* D122BAV 4M */ \
|
|
{0x01, PSRAM_SINGLE, 0x400000, {APS3208K, 0x80c980c9}}, \
|
|
/* D122BBV 8M */ \
|
|
{0x02, PSRAM_PARALLEL, 0x800000, {APS3208K, 0x80c980c9}}, \
|
|
/* D121BAV 4M */ \
|
|
{0x03, PSRAM_SINGLE, 0x400000, {APS3208K, 0x80c980c9}}, \
|
|
/* D121BBV 8M */ \
|
|
{0x04, PSRAM_PARALLEL, 0x800000, {APS3208K, 0x80c980c9}}, \
|
|
/* D122BCV1 16M SCKW18X128160AAE1 */ \
|
|
{0x05, PSRAM_PARALLEL, 0x1000000, {SCKW18_12816O, 0xc59ac59a}}, \
|
|
/* D122BCV2 16M AP12816 */ \
|
|
{0x05, PSRAM_PARALLEL, 0x1000000, {APS12816O, 0xdd8ddd8d}}, \
|
|
/* TR230 8M */ \
|
|
{0xA1, PSRAM_PARALLEL, 0x800000, {APS3208K, 0x80c980c9}}, \
|
|
/* JYX58 8M */ \
|
|
{0xB1, PSRAM_PARALLEL, 0x800000, {APS3208K, 0x80c980c9}}, \
|
|
}
|
|
|
|
struct _psram_info psram_table_info[] = PSRAM_TABLE_INFO;
|
|
|
|
u8 psram_get_mark_id(void)
|
|
{
|
|
u32 fuse_218 = readl(0x19010218);
|
|
u8 mark_id = fuse_218 & 0xff;
|
|
|
|
pr_info("fuse_218(0x19010218)=0x%x, mark_id=0x%x\n", fuse_218, mark_id);
|
|
return mark_id;
|
|
}
|
|
|
|
u8 psram_get_psram_id(void)
|
|
{
|
|
u32 fuse_21c = readl(0x1901021c);
|
|
u8 psram_id = (fuse_21c & 0xff) >> 4;
|
|
|
|
pr_info("fuse_21c(0x1901021c)=0x%x, psram_id=0x%x\n", fuse_21c, psram_id);
|
|
return psram_id;
|
|
}
|
|
|
|
struct _psram_info *psram_get_info(u8 mark_id, u8 psram_fuse_id)
|
|
{
|
|
u32 len = ARRAY_SIZE(psram_table_info);
|
|
|
|
for (int i = 0; i < len; i++) {
|
|
if (((mark_id == psram_table_info[i].mark_id) &&
|
|
(psram_fuse_id == psram_table_info[i].psram_id.psram_fuse_id))) {
|
|
return &psram_table_info[i];
|
|
}
|
|
}
|
|
pr_info("can't get the psram table, return the default info.\n");
|
|
return &psram_table_info[0]; //if not find anyone, return the default info.
|
|
}
|
|
|
|
u32 aic_get_ram_size(void)
|
|
{
|
|
struct _psram_info *psram_info;
|
|
u8 mark_id, psram_id;
|
|
|
|
mark_id = psram_get_mark_id();
|
|
psram_id = psram_get_psram_id();
|
|
psram_info = psram_get_info(mark_id, psram_id);
|
|
|
|
return psram_info->psram_size;
|
|
}
|