pinebuds/platform/hal/hal_psram_v1.c

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2022-08-15 04:20:27 -05:00
/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#if defined(CHIP_HAS_PSRAM) && (CHIP_PSRAM_CTRL_VER == 1)
#include "plat_types.h"
#include "plat_addr_map.h"
#include "hal_cmu.h"
#include "hal_location.h"
#include "hal_psram.h"
#include "hal_psramip_v1.h"
#include "hal_timer.h"
#include "hal_trace.h"
#include "hal_uart.h"
#include "pmu.h"
#define PSRAM_CALIB 0
#define HAL_PSRAM_YES 1
#define HAL_PSRAM_NO 0
#define HAL_PSRAM_CMD_REG_READ 0x40
#define HAL_PSRAM_CMD_REG_WRITE 0xc0
#define HAL_PSRAM_CMD_RAM_READ 0x00
#define HAL_PSRAM_CMD_RAM_WRITE 0x80
enum HAL_PSRAM_SPEED {
HAL_PSRAM_SPEED_13M = 13000000,
HAL_PSRAM_SPEED_26M = 26000000,
HAL_PSRAM_SPEED_50M = 50000000,
HAL_PSRAM_SPEED_52M = 52000000,
HAL_PSRAM_SPEED_78M = 78000000,
HAL_PSRAM_SPEED_104M = 104000000,
HAL_PSRAM_SPEED_130M = 130000000,
HAL_PSRAM_SPEED_156M = 156000000,
HAL_PSRAM_SPEED_182M = 182000000,
HAL_PSRAM_SPEED_208M = 208000000,
HAL_PSRAM_SPEED_234M = 234000000,
};
struct HAL_PSRAM_CONFIG_T {
uint32_t source_clk;
uint32_t speed;
uint32_t dqs_rd_sel;
uint32_t dqs_wr_sel;
/* internal use : can be config if need to (useful for rom) */
uint8_t override_config:1;
uint8_t div;
};
#define PSRAM_DEVICE_ID_LEN_MAX 8
struct HAL_Psram_Context {
uint8_t device_id[PSRAM_DEVICE_ID_LEN_MAX];
uint32_t total_size;
uint32_t read_size;
uint32_t write_size;
};
/* hal api */
#if 0
uint8_t hal_psram_open(enum HAL_PSRAM_ID_T id, struct HAL_PSRAM_CONFIG_T *cfg);
uint8_t hal_psram_close(enum HAL_PSRAM_ID_T id);
void hal_psram_reg_dump(enum HAL_PSRAM_ID_T id);
#endif
void hal_psram_suspend(enum HAL_PSRAM_ID_T id);
void hal_psram_resume(enum HAL_PSRAM_ID_T id);
void hal_psram_wakeup_init(void);
struct HAL_Psram_Context psram_ctx[HAL_PSRAM_ID_NUM];
//static const char * const invalid_drv = "psram drv invalid";
#define DIGITAL_REG(a) *(volatile uint32_t *)(a)
FLASH_TEXT_LOC static uint32_t _psram_get_reg_base(enum HAL_PSRAM_ID_T id)
{
switch(id) {
case HAL_PSRAM_ID_0:
default:
return PSRAM_CTRL_BASE;
break;
}
}
FLASH_TEXT_LOC static void _psram_exitsleep_onprocess_wait(enum HAL_PSRAM_ID_T id)
{
uint32_t reg_base = 0;
reg_base = _psram_get_reg_base(id);
while (psramip_r_exit_sleep_onprocess(reg_base));
while (!psramip_r_sleep_wakeup_state(reg_base));
}
FLASH_TEXT_LOC static void _psram_busy_wait(enum HAL_PSRAM_ID_T id)
{
uint32_t reg_base = 0;
reg_base = _psram_get_reg_base(id);
while (psramip_r_busy(reg_base));
}
#if 0
static void _psram_div(enum HAL_PSRAM_ID_T id)
{
/* TODO */
}
/* hal api */
uint8_t hal_psram_open(enum HAL_PSRAM_ID_T id, struct HAL_PSRAM_CONFIG_T *cfg)
{
uint32_t div = 0, reg_base = 0;
//uint32_t psram_id = 0;
reg_base = _psram_get_reg_base(id);
/* over write config */
if (cfg->override_config) {
/* div */
_psram_div(cfg->div);
}
else {
div = cfg->source_clk/cfg->speed;
_psram_div(div);
}
/* 0. dqs config */
psramip_w_dqs_rd_sel(reg_base, cfg->dqs_rd_sel);
psramip_w_dqs_wr_sel(reg_base, cfg->dqs_wr_sel);
/* 1. high speed mode */
if (cfg->speed >= HAL_PSRAM_SPEED_50M)
psramip_w_high_speed_enable(reg_base, HAL_PSRAM_YES);
else
psramip_w_high_speed_enable(reg_base, HAL_PSRAM_NO);
_psram_busy_wait(id);
/* 2. wait calib done or FIXME timeout */
psramip_w_enable_and_trigger_calib(reg_base);
while (!psramip_r_calibst(reg_base));
psramip_w_wrap_mode_enable(reg_base, HAL_PSRAM_YES);
//psramip_w_wrap_mode_enable(reg_base, HAL_PSRAM_NO);
//psramip_w_32bytewrap_mode(reg_base);
psramip_w_1kwrap_mode(reg_base);
#if 0
/* psram device register read 1 or 2 or 3 */
psramip_w_acc_size(reg_base, 1);
psramip_w_cmd_addr(reg_base, HAL_PSRAM_CMD_REG_READ, 2);
_psram_busy_wait(id);
psram_id = psramip_r_rx_fifo(reg_base);
uart_printf("psram id 0x%x\n", psram_id);
#endif
return 0;
}
uint8_t hal_psram_close(enum HAL_PSRAM_ID_T id)
{
return 0;
}
void hal_psram_reg_dump(enum HAL_PSRAM_ID_T id)
{
uint32_t reg_base = 0;
uint32_t psram_id = 0;
reg_base = _psram_get_reg_base(id);
/* psram device register read 1 or 2 or 3 */
psramip_w_acc_size(reg_base, 1);
psramip_w_cmd_addr(reg_base, HAL_PSRAM_CMD_REG_READ, 2);
_psram_busy_wait(id);
psram_id = psramip_r_rx_fifo(reg_base);
uart_printf("psram id 0x%x\n", psram_id);
}
#endif
FLASH_TEXT_LOC uint8_t hal_psramip_read_reg(uint8_t reg)
{
uint32_t mr;
psramip_clear_fifo(_psram_get_reg_base(HAL_PSRAM_ID_0));
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_READ, (uint32_t)reg);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
mr = psramip_r_rx_fifo(0x40150000);
return mr&0xff;
}
FLASH_TEXT_LOC void hal_psramip_write_reg(uint8_t reg, uint8_t val)
{
enum HAL_PSRAM_ID_T id = HAL_PSRAM_ID_0;
psramip_clear_fifo(_psram_get_reg_base(HAL_PSRAM_ID_0));
psramip_w_tx_fifo(0x40150000, (uint32_t)val);
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_WRITE, (uint32_t)reg);
_psram_busy_wait(id);
}
FLASH_TEXT_LOC void hal_psram_suspend(enum HAL_PSRAM_ID_T id)
{
uint32_t reg_base = 0;
reg_base = _psram_get_reg_base(id);
psramip_w_acc_size(reg_base, 1);
hal_psramip_write_reg(0x6, 0xf0);
}
FLASH_TEXT_LOC void hal_psram_resume(enum HAL_PSRAM_ID_T id)
{
uint32_t reg_base = 0;
reg_base = _psram_get_reg_base(id);
psramip_w_exit_sleep(reg_base);
_psram_exitsleep_onprocess_wait(id);
}
//uint32_t test_ctrl =0;
#ifdef CHIP_BEST2000
void pmu_open_bbpll_for_psram();
/*psram 120M use bbpll(div 4), 160M use bbpll(dir4), 100M use audio pll*/
FLASH_TEXT_LOC void hal_psram_init(void)
{
#ifndef PSRAM_LOW_SPEED
uint8_t mr = 0;
// enum HAL_PSRAM_ID_T id = HAL_PSRAM_ID_0;
#if defined(PSRAM_120M) || defined(PSRAM_160M)
pmu_open_bbpll_for_psram();
hal_cmu_mem_set_freq(HAL_CMU_FREQ_208M);
#else /*PSRAM_160M*/
#ifdef MCU_ULTRAHIGH_PERFORMANCE_MODE
hal_cmu_mem_set_freq(HAL_CMU_FREQ_104M);//104*2
#else
hal_cmu_mem_set_freq(HAL_CMU_FREQ_208M);
#endif
#endif /*PSRAM_160M*/
pmu_psram_freq_config(HAL_PSRAM_SPEED_208M);
#else
hal_cmu_mem_set_freq(HAL_CMU_FREQ_26M);
pmu_psram_freq_config(HAL_PSRAM_SPEED_26M);
#endif
hal_cmu_clock_enable(HAL_CMU_MOD_O_PSRAM);
hal_cmu_clock_enable(HAL_CMU_MOD_H_PSRAM);
hal_cmu_reset_clear(HAL_CMU_MOD_O_PSRAM);
hal_cmu_reset_clear(HAL_CMU_MOD_H_PSRAM);
DIGITAL_REG(0x4008004c) |= 0x1<<21;
#if 0 //for debug
DIGITAL_REG(0x40150020) = 0x01;
DIGITAL_REG(0x400000ac) &= ~(0xc0000);
DIGITAL_REG(0x400000ac) |= (0x80000);
DIGITAL_REG(0x40087008) = 0xFFFFFFAF;
DIGITAL_REG(0x4008701c) = 0x2;
#endif
#ifndef PSRAM_LOW_SPEED
DIGITAL_REG(0x40150040) = 0x44712133;
DIGITAL_REG(0x40150044) = 0x200040b1;
DIGITAL_REG(0x40150044) |= (1<<1)|(1<<30);
while (((DIGITAL_REG(0x40150044)) & (0x1<<30)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40150044) &= ~(1<<0);
while (!((DIGITAL_REG(0x40150044)) & (0x1<<0)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40000090) = 0x0001ffff;
while (!((DIGITAL_REG(0x40000090)) & (0x1<<20)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
//lp delay
// DIGITAL_REG(0x4015001C)=0xffffffff;//c
DIGITAL_REG(0x4015001C)=((4*200)<<0)|
((70*200)<<16)|
((70*200/1000)<<10);// 208MHZ: tHS 10us, tXHS 100us, tXPHS 100ns
//ramp=1k select low speed
DIGITAL_REG(0x4015002C)=0x0000000d;//c
//tx/rx Phase
// #error "6666666666666666"
//DIGITAL_REG(0x40150024)= 0x55000713;//0x55000373;//223
//DIGITAL_REG(0x40150024)= 0x55000373;//0x55000373;//223
#if PSRAM_CALIB
DIGITAL_REG(0x40150024)= 0x55000373;//0x55000373;//223
#else
#if defined(PSRAM_200M)
DIGITAL_REG(0x40150024)= 0x55000653;//0x55000373;//223
#elif defined(PSRAM_160M)
DIGITAL_REG(0x40150024)= 0x55000463;//;//0x55000373;//223
#elif defined(PSRAM_120M)
DIGITAL_REG(0x40150024)= 0x55000113;//0x55000373;//223
#else /*100M*/
DIGITAL_REG(0x40150024)= 0x55000113;//0x55000373;//223
#endif
#endif
while (!((DIGITAL_REG(0x40150024)) & (0x1<<3)));
#if 1
//reset psram chip
psramip_write32(0xff, 0x40150000, 0x00);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
//clear fifo
psramip_write32(0x03, 0x40150000, 0x18);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
hal_sys_timer_delay(US_TO_TICKS(10));
// test_ctrl = 1;
// while (test_ctrl ==1);
mr = hal_psramip_read_reg(0x0);
mr &= ~(0x3 << 6); // MR[7:6] must set 0
mr &= ~(0x1 << 5); //MR0[5] = 0, latency type 0->variable
mr &= ~(0x7 << 2);
mr |= (0x6 << 2); //MR0[4:2] = '110 Latency =6 for 200M (variable latency)
mr &= ~(0x3 << 0);
mr |= (0x1 << 0); //driver strength '01 -> half
hal_psramip_write_reg(0x0, mr);
mr = hal_psramip_read_reg(0x0);
//TRACE(2,"PSRAM MODE REG 0 = 0x%x, status = 0x%x", mr, psramip_r_status(0x40150000));
mr = hal_psramip_read_reg(0x4);
mr &= ~(0x01 << 7);
mr |= (0x01 << 7); // MR[7] '1 -> write latency 1 for clk > 166MHz
//hal_psramip_write_reg(0x4, mr);
mr = hal_psramip_read_reg(0x4);
//TRACE(2,"PSRAM MODE REG 4 = 0x%x, status = 0x%x", mr, psramip_r_status(0x40150000));
#endif
hal_sys_timer_delay(US_TO_TICKS(10));
#else /*PSRAM_LOW_SPEED*/
// open psram phy power
DIGITAL_REG(0x4008004c) |= (1 << 21);
//init psram
//lp delay
DIGITAL_REG(0x4015001C)=0x3fff3cff;//c
//ramp=1k select low speed
DIGITAL_REG(0x4015002C)=0x0000000c;
//tx/rx Phase
DIGITAL_REG(0x40150024)=0x55000223;
#endif /*PSRAM_LOW_SPEED*/
psramip_w_acc_size(_psram_get_reg_base(HAL_PSRAM_ID_0), 1);
#ifdef PSRAM_200M
hal_cmu_mem_set_freq(HAL_CMU_FREQ_208M);
#endif
}
FLASH_TEXT_LOC void hal_psram_wakeup_init(void)
{
#ifndef PSRAM_LOW_SPEED
DIGITAL_REG(0x40150040) = 0x44712133;
DIGITAL_REG(0x40150044) = 0x200040b1;
DIGITAL_REG(0x40150044) |= (1<<1)|(1<<30);
//TRACE(1,"0x40150044 = 0x%x \n",DIGITAL_REG(0x40150044));
while (((DIGITAL_REG(0x40150044)) & (0x1<<30)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40150044) &= ~(1<<0);
//TRACE(1,"0x40150044 = 0x%x \n", DIGITAL_REG(0x40150044));
while (!((DIGITAL_REG(0x40150044)) & (0x1<<0)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40000090) = 0x0001ffff;
//TRACE(1,"0x40000090 = 0x%x \n", DIGITAL_REG(0x40000090));
while (!((DIGITAL_REG(0x40000090)) & (0x1<<20)));
//hal_sys_timer_delay(MS_TO_TICKS(10));
#endif
hal_psram_resume(HAL_PSRAM_ID_0);
}
FLASH_TEXT_LOC void hal_psram_sleep(void)
{
#ifndef PSRAM_LOW_SPEED
hal_psram_suspend(HAL_PSRAM_ID_0);
/* dll power off */
DIGITAL_REG(0x40150044) &= ~(1 << 1);
/* phy power off */
/* DIGITAL_REG(0x4008004c) &= ~(1 << 21) */
#endif
}
#else
FLASH_TEXT_LOC void hal_psram_init(void)
{
#ifndef PSRAM_LOW_SPEED
unsigned int mr = 0;
enum HAL_PSRAM_ID_T id = HAL_PSRAM_ID_0;
#endif
hal_cmu_mem_set_freq(HAL_CMU_FREQ_208M);
hal_cmu_clock_enable(HAL_CMU_MOD_O_PSRAM);
hal_cmu_clock_enable(HAL_CMU_MOD_H_PSRAM);
hal_cmu_reset_clear(HAL_CMU_MOD_O_PSRAM);
hal_cmu_reset_clear(HAL_CMU_MOD_H_PSRAM);
#ifndef PSRAM_LOW_SPEED
DIGITAL_REG(0x4001f038) = 0x77783533;
DIGITAL_REG(0x4001f03c) = 0x3ffffff4;
DIGITAL_REG(0x4001f03c) |= (1<<1)|(1<<30);
while (((DIGITAL_REG(0x4001f03c)) & (0x1<<30)));
hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x4001f03c) &= ~(1<<0);
while (!((DIGITAL_REG(0x4001f03c)) & (0x1<<0)));
hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40000090) = 0x0001ffff;
while (!((DIGITAL_REG(0x40000090)) & (0x1<<20)));
hal_sys_timer_delay(MS_TO_TICKS(10));
//lp delay
DIGITAL_REG(0x4015001C)=0xffffffff;//c
//ramp=1k select low speed
DIGITAL_REG(0x4015002C)=0x0000000d;//c
//tx/rx Phase
DIGITAL_REG(0x40150024)=0x55000563;//223
while (!((DIGITAL_REG(0x40150024)) & (0x1<<3)));
#if 1
//reset psram chip
psramip_write32(0xff, 0x40150000, 0x00);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
//clear fifo
psramip_write32(0x03, 0x40150000, 0x18);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
hal_sys_timer_delay(MS_TO_TICKS(10));
//read MR0
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_READ, 0);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
//need read twice
mr = psramip_r_rx_fifo(0x40150000);
mr = psramip_r_rx_fifo(0x40150000);
// hal_uart_printf("count=0x%x mr0 = 0x%x \n", psramip_r_status(0x40150000), mr);
mr &= 0xff;
mr &= ~(0x03 << 6); // MR[7:6] must set 0
// driver strength 00:1/16 01:1/2 10:1/4 11:1/8 MR0[1:0]
mr &= ~0x03;
mr |= 0x01;
//for >> 200M MR0[4:2]
mr &= ~(0x07 << 2);
mr |= (0x06 << 2);
psramip_w_tx_fifo(0x40150000, mr);
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_WRITE, 0);
_psram_busy_wait(id);
//read MR0 again
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_READ, 0);
while((psramip_r_status(0x40150000)& PSRAM_STAT_BUSY));
mr = psramip_r_rx_fifo(0x40150000);
mr = psramip_r_rx_fifo(0x40150000);
// hal_uart_printf("count=0x%x mr0 = 0x%x \n", psramip_r_status(0x40150000), mr);
//read MR4
psramip_w_cmd_addr(0x40150000, HAL_PSRAM_CMD_REG_READ, 4);
_psram_busy_wait(id);
mr = psramip_r_rx_fifo(0x40150000);
mr = psramip_r_rx_fifo(0x40150000);
// hal_uart_printf("mr4 = 0x%x\n", mr);
_psram_busy_wait(id);
#endif
hal_sys_timer_delay(MS_TO_TICKS(10));
#else
// open psram phy power
DIGITAL_REG(0x4001f02c) |= (1 << 16);
//init psram
//lp delay
DIGITAL_REG(0x4015001C)=0x3fff3cff;//c
//ramp=1k select low speed
DIGITAL_REG(0x4015002C)=0x0000000c;
//tx/rx Phase
DIGITAL_REG(0x40150024)=0x55000223;
#endif
}
FLASH_TEXT_LOC void hal_psram_wakeup_init(void)
{
#ifndef PSRAM_LOW_SPEED
// dll
DIGITAL_REG(0x4001f038) = 0x77783533;
DIGITAL_REG(0x4001f03c) = 0x3ffffff4;
DIGITAL_REG(0x4001f03c) |= (1<<1)|(1<<30);
while (((DIGITAL_REG(0x4001f03c)) & (0x1<<30)));
hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x4001f03c) &= ~(1<<0);
while (!((DIGITAL_REG(0x4001f03c)) & (0x1<<0)));
hal_sys_timer_delay(MS_TO_TICKS(10));
DIGITAL_REG(0x40000090) = 0x0001ffff;
while (!((DIGITAL_REG(0x40000090)) & (0x1<<20)));
hal_sys_timer_delay(MS_TO_TICKS(10));
#endif
hal_psram_resume(HAL_PSRAM_ID_0);
}
FLASH_TEXT_LOC void hal_psram_sleep(void)
{
#ifndef PSRAM_LOW_SPEED
hal_psram_suspend(HAL_PSRAM_ID_0);
/* dll power off */
DIGITAL_REG(0x4001f03c) &= ~(1 << 1);
/* phy power off */
/* DIGITAL_REG(0x4001f02c) &= ~(1 << 16) */
#endif
}
#endif
FLASH_TEXT_LOC void hal_psram_wakeup(void)
{
#ifndef PSRAM_LOW_SPEED
hal_psram_wakeup_init();
#endif
}
#endif