267 lines
8.1 KiB
C
267 lines
8.1 KiB
C
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#include "generic/typedef.h"
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#include "generic/gpio.h"
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#include "asm/power/p33.h"
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#include "asm/hwi.h"
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#include "asm/gpio.h"
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#include "asm/clock.h"
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#include "asm/chargestore.h"
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#include "update.h"
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#include "app_config.h"
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struct chargestore_handle {
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const struct chargestore_platform_data *data;
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JL_UART_TypeDef *UART;
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u32 baudrate;
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u32 input_chl;
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u32 output_chl;
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u32 ut_chl;
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};
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#define DMA_ISR_LEN 64
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#define DMA_BUF_LEN 64
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#define __this (&hdl)
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static struct chargestore_handle hdl;
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u8 uart_dma_buf[DMA_BUF_LEN] __attribute__((aligned(4)));
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volatile u8 send_busy;
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//串口时钟和串口超时时钟是分开的
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#define UART_SRC_CLK clk_get("uart")
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#define UART_OT_CLK clk_get("lsb")
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enum {
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UPGRADE_NULL = 0,
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UPGRADE_USB_HARD_KEY,
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UPGRADE_USB_SOFTKEY,
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UPGRADE_UART_SOFT_KEY,
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UPGRADE_UART_ONE_WIRE_HARD_KEY,
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};
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extern void charge_reset_pb5_pd_status(void);
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extern void nvram_set_boot_state(u32 state);
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extern void local_irq_disable();
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void hw_mmu_disable(void);
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void update_close_hw(void);
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void uart_update_set_nvram()
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{
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local_irq_disable();
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update_close_hw();
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hw_mmu_disable();
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nvram_set_boot_state(UPGRADE_UART_SOFT_KEY);
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cpu_reset();
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}
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void chargestore_set_update_ram(void)
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{
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if ((__this->data) && (__this->data->io_port != IO_PORTB_05)) {
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u8 *p = (u8 *)BOOT_STATUS_ADDR;
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memcpy(p, "UART_UPDATE_CUSTOM", sizeof("UART_UPDATE_CUSTOM"));
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} else {
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int tmp;
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__asm__ volatile("%0 =icfg" : "=r"(tmp));
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tmp &= ~(3 << 8);
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__asm__ volatile("icfg = %0" :: "r"(tmp));//GIE1
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void UART_UPDATE_JUMP();
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UART_UPDATE_JUMP();
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}
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}
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static u8 chargestore_get_f95_det_res(u32 equ_res)
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{
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u8 det_res = (equ_res + 50) / 100;
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if (det_res > 0) {
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det_res -= 1;
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}
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if (det_res > 0x0f) {
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det_res = 0x0f;
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}
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return det_res;
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}
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//br25, LDOIN电压为2V时等效电阻约1M, 功耗约1.8uA
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u8 chargestore_get_det_level(u8 chip_type)
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{
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switch (chip_type) {
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case TYPE_F95:
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return chargestore_get_f95_det_res(1600);
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case TYPE_NORMAL:
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default:
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return 0x0f;
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}
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}
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void __attribute__((weak)) chargestore_data_deal(u8 cmd, u8 *data, u8 len)
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{
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}
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___interrupt
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static void uart_isr(void)
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{
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u16 i;
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u32 rx_len = 0;
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if ((__this->UART->CON0 & BIT(2)) && (__this->UART->CON0 & BIT(15))) {
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__this->UART->CON0 |= BIT(13);
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send_busy = 0;
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chargestore_data_deal(CMD_COMPLETE, NULL, 0);
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}
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if ((__this->UART->CON0 & BIT(3)) && (__this->UART->CON0 & BIT(14))) {
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__this->UART->CON0 |= BIT(12);//清RX PND
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chargestore_data_deal(CMD_RECVDATA, uart_dma_buf, DMA_ISR_LEN);
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memset((void *)uart_dma_buf, 0, sizeof(uart_dma_buf));
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__this->UART->RXSADR = (u32)uart_dma_buf;
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__this->UART->RXEADR = (u32)(uart_dma_buf + DMA_BUF_LEN);
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__this->UART->RXCNT = DMA_ISR_LEN;
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}
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if ((__this->UART->CON0 & BIT(5)) && (__this->UART->CON0 & BIT(11))) {
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//OTCNT PND
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__this->UART->CON0 |= BIT(7);//DMA模式
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__this->UART->CON0 |= BIT(10);//清OTCNT PND
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asm volatile("nop");
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rx_len = __this->UART->HRXCNT;//读当前串口接收数据的个数
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__this->UART->CON0 |= BIT(12);//清RX PND(这里的顺序不能改变，这里要清一次)
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chargestore_data_deal(CMD_RECVDATA, uart_dma_buf, rx_len);
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memset((void *)uart_dma_buf, 0, sizeof(uart_dma_buf));
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__this->UART->RXSADR = (u32)uart_dma_buf;
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__this->UART->RXEADR = (u32)(uart_dma_buf + DMA_BUF_LEN);
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__this->UART->RXCNT = DMA_ISR_LEN;
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}
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}
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void chargestore_write(u8 *data, u8 len)
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{
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u32 data_addr = (u32)data;
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if (data_addr % 4) {//4byte对齐
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ASSERT(0, "%s: unaligned accesses!", __func__);
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}
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send_busy = 1;
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__this->UART->TXADR = data_addr;
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__this->UART->TXCNT = len;
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}
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void chargestore_open(u8 mode)
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{
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send_busy = 0;
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__this->UART->CON0 = BIT(13) | BIT(12) | BIT(10);
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if (mode == MODE_RECVDATA) {
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gpio_uart_rx_input(__this->data->io_port, __this->ut_chl, __this->input_chl);
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//避免插入普通充电舱,舱体不升压 only for br23/br25
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if (__this->data->io_port == IO_PORTB_05) {
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charge_reset_pb5_pd_status();
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}
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memset((void *)uart_dma_buf, 0, sizeof(uart_dma_buf));
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__this->UART->RXSADR = (u32)uart_dma_buf;
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__this->UART->RXEADR = (u32)(uart_dma_buf + DMA_BUF_LEN);
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__this->UART->RXCNT = DMA_ISR_LEN;
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__this->UART->CON0 |= BIT(6) | BIT(5) | BIT(3);
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} else {
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gpio_output_channle(__this->data->io_port, __this->output_chl);
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gpio_set_hd(__this->data->io_port, 1);
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__this->UART->CON0 |= BIT(2);
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}
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__this->UART->CON0 |= BIT(13) | BIT(12) | BIT(10) | BIT(0);
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}
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void chargestore_close(void)
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{
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__this->UART->CON0 = BIT(13) | BIT(12) | BIT(10) | BIT(0);
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gpio_set_pull_down(__this->data->io_port, 0);
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gpio_set_pull_up(__this->data->io_port, 0);
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gpio_set_die(__this->data->io_port, 1);
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gpio_set_hd(__this->data->io_port, 0);
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gpio_direction_input(__this->data->io_port);
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send_busy = 0;
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memset((void *)uart_dma_buf, 0, sizeof(uart_dma_buf));
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if (__this->data->io_port == IO_PORTB_05) {
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charge_reset_pb5_pd_status();
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}
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}
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void chargestore_set_baudrate(u32 baudrate)
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{
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u32 uart_timeout;
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__this->baudrate = baudrate;
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uart_timeout = 20 * 1000000 / __this->baudrate;
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__this->UART->OTCNT = uart_timeout * (UART_OT_CLK / 1000000);
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__this->UART->BAUD = (UART_SRC_CLK / __this->baudrate) / 4 - 1;
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}
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void chargestore_init(const struct chargestore_platform_data *data)
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{
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u32 uart_timeout;
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__this->data = (struct chargestore_platform_data *)data;
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ASSERT(data);
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if (!(JL_UART0->CON0 & BIT(0))) {
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JL_UART0->CON0 = BIT(13) | BIT(12) | BIT(10);
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request_irq(IRQ_UART0_IDX, 2, uart_isr, 0);
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__this->UART = JL_UART0;
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__this->input_chl = INPUT_CH0;
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__this->output_chl = CH0_UT0_TX;
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__this->ut_chl = 0;
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gpio_set_uart0(-1);
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} else if (!(JL_UART1->CON0 & BIT(0))) {
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JL_UART1->CON0 = BIT(13) | BIT(12) | BIT(10);
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request_irq(IRQ_UART1_IDX, 2, uart_isr, 0);
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__this->UART = JL_UART1;
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__this->input_chl = INPUT_CH3;
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__this->output_chl = CH1_UT1_TX;
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__this->ut_chl = 1;
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gpio_set_uart1(-1);
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} else if (!(JL_UART2->CON0 & BIT(0))) {
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JL_UART2->CON0 = BIT(13) | BIT(12) | BIT(10);
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request_irq(IRQ_UART2_IDX, 2, uart_isr, 0);
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__this->UART = JL_UART2;
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__this->input_chl = INPUT_CH2;
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__this->output_chl = CH2_UT2_TX;
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__this->ut_chl = 2;
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gpio_set_uart2(-1);
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} else {
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ASSERT(0, "uart all used!\n");
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}
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send_busy = 0;
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uart_timeout = 20 * 1000000 / __this->data->baudrate;
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__this->UART->CON0 = BIT(13) | BIT(12) | BIT(10) | BIT(0);
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__this->UART->OTCNT = uart_timeout * (UART_OT_CLK / 1000000);
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__this->UART->BAUD = (UART_SRC_CLK / __this->data->baudrate) / 4 - 1;
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__this->baudrate = __this->data->baudrate;
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if (__this->data->io_port == IO_PORTB_05) {
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charge_reset_pb5_pd_status();
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} else {
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gpio_set_pull_down(__this->data->io_port, 0);
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}
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gpio_set_pull_up(__this->data->io_port, 0);
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gpio_set_die(__this->data->io_port, 1);
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gpio_direction_input(__this->data->io_port);
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#if (!TCFG_CHARGE_ENABLE)
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if (__this->data->io_port == IO_PORTB_05) {
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LDO5V_EN(1);
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LDO5V_EDGE_SEL(1);
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LDO5V_PND_CLR();
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LDO5V_EDGE_WKUP_EN(1);
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}
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#endif
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}
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static void clock_critical_enter(void)
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{
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u8 cmp_buf[2] = {0x55, 0xAA};
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//等待数据收完
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extern void *memmem(void *srcmem, int src_len, void *desmem, int des_len);
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while (memmem(uart_dma_buf, sizeof(uart_dma_buf), cmp_buf, sizeof(cmp_buf)));
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//等待数据发完
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while (send_busy);
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}
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static void clock_critical_exit(void)
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{
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u32 uart_timeout;
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if (__this->UART == NULL) {
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return;
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}
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uart_timeout = 20 * 1000000 / __this->baudrate;
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__this->UART->OTCNT = uart_timeout * (UART_OT_CLK / 1000000);
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__this->UART->BAUD = (UART_SRC_CLK / __this->baudrate) / 4 - 1;
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}
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CLOCK_CRITICAL_HANDLE_REG(chargestore, clock_critical_enter, clock_critical_exit)
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