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change the usbboot to ingenic-tools (host side code)

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add usb-boot to keep the device code.
This commit is contained in:
xiangfu
2009-04-11 15:04:25 +00:00
parent fa30f9e437
commit a3b9071e22
33 changed files with 0 additions and 0 deletions
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112
usb-boot/stage1/main.c Normal file
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/*
* main.c
*
* Main routine of the firmware.
*
* Copyright (C) 2008 Ingenic Semiconductor Inc.
*
*/
#include "jz4740.h"
#include "configs.h"
fw_args_t * fw_args;
volatile u32 CPU_ID;
volatile u32 UART_BASE;
volatile u32 CONFIG_BAUDRATE;
volatile u8 SDRAM_BW16;
volatile u8 SDRAM_BANK4;
volatile u8 SDRAM_ROW;
volatile u8 SDRAM_COL;
volatile u8 CONFIG_MOBILE_SDRAM;
volatile u32 CFG_CPU_SPEED;
volatile u32 CFG_EXTAL;
volatile u8 PHM_DIV;
volatile u8 IS_SHARE;
extern int pllout2;
#if 0
void test_load_args(void)
{
CPU_ID = 0x4740 ;
CFG_EXTAL = 12000000 ;
CFG_CPU_SPEED = 336000000 ;
PHM_DIV = 4;
fw_args->use_uart = 0;
UART_BASE = UART0_BASE + fw_args->use_uart * 0x1000;
CONFIG_BAUDRATE = 57600;
SDRAM_BW16 = 0;
SDRAM_BANK4 = 1;
SDRAM_ROW = 13;
SDRAM_COL = 9;
CONFIG_MOBILE_SDRAM = 0;
IS_SHARE = 1;
}
#endif
void load_args(void)
{
fw_args = (fw_args_t *)0x80002008; //get the fw args from memory
CPU_ID = fw_args->cpu_id ;
CFG_EXTAL = (u32)fw_args->ext_clk * 1000000;
CFG_CPU_SPEED = (u32)fw_args->cpu_speed * CFG_EXTAL ;
if (CFG_EXTAL == 19000000)
{
CFG_EXTAL = 19200000;
CFG_CPU_SPEED = 192000000;
}
PHM_DIV = fw_args->phm_div;
if ( fw_args->use_uart > 3 ) fw_args->use_uart = 0;
UART_BASE = UART0_BASE + fw_args->use_uart * 0x1000;
CONFIG_BAUDRATE = fw_args->boudrate;
SDRAM_BW16 = fw_args->bus_width;
SDRAM_BANK4 = fw_args->bank_num;
SDRAM_ROW = fw_args->row_addr;
SDRAM_COL = fw_args->col_addr;
CONFIG_MOBILE_SDRAM = fw_args->is_mobile;
IS_SHARE = fw_args->is_busshare;
}
void c_main(void)
{
load_args();
if (fw_args->debug_ops > 0)
{
do_debug();
return ;
}
switch (CPU_ID)
{
case 0x4740:
gpio_init_4740();
pll_init_4740();
serial_init();
sdram_init_4740();
break;
case 0x4750:
gpio_init_4750();
pll_init_4750();
serial_init();
sdram_init_4750();
break;
default:
return;
}
#if 1
serial_puts("Setup fw args as:\n");
serial_put_hex(CPU_ID);
serial_put_hex(CFG_EXTAL);
serial_put_hex(CFG_CPU_SPEED);
serial_put_hex(PHM_DIV);
serial_put_hex(fw_args->use_uart);
serial_put_hex(CONFIG_BAUDRATE);
serial_put_hex(SDRAM_BW16);
serial_put_hex(SDRAM_BANK4);
serial_put_hex(SDRAM_ROW);
serial_put_hex(SDRAM_COL);
serial_put_hex(pllout2);
serial_put_hex(REG_CPM_CPCCR);
serial_puts("Fw run finish !\n");
#endif
}