moyuhai
84 lines
1.9 KiB
INI
84 lines
1.9 KiB
INI
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FUNC void InitGpio(void)
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{
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// Config IOMUX
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/*
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gpio_mux_ctl_u(33,1);//d2
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gpio_mux_ctl_u(34,1);//d3
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gpio_mux_ctl_u(35,2);//clk
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gpio_mux_ctl_u(36,2);//cs
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gpio_mux_ctl_u(37,2);//d0 rx
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gpio_mux_ctl_u(38,2);//d1 tx
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*/
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_WDWORD(0x4000019c, 0x00002A94);
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}
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FUNC void InitFlash(void)
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{
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}
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FUNC void InitXIP(void)
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{
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_WDWORD(0x40000104,0x040000);//reset ssi0
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_WDWORD(0x40000104,0x040004);//reset ssi0
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_WDWORD(0x40000050,0x110000);//close spi0 mclk
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_WDWORD(0x40000070,0x1000000);//close spi0 pclk
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//config fmc
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_WDWORD(0x40000270, 0x0503);
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_Sleep_(1);// delay about 400us
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_WDWORD(0x40000270, 0x3503);
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//config cache
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_Sleep_(1);// delay about 400us
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_WDWORD(0x52000000, 0x0);
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_Sleep_(1);// delay about 400us
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_WDWORD(0x52000000, 0x21);
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_Sleep_(1);// delay about 400us
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_Sleep_(1);// delay about 400us
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_Sleep_(1);// delay about 400us
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_Sleep_(1);// delay about 400us
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//config xip spi
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_WDWORD(0x51000008, 0); //disable spi
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_WDWORD(0x5100002c,0); //close IE
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_WDWORD(0x51000000,0x1F); //32bit SPI data
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_WDWORD(0x51000010,0x01); //enable select slave -- SE
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_WDWORD(0x51000018,0x0); //TXFTL be set 0
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_WDWORD(0x5100001c,0x0); //RXFTL be set 0
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_WDWORD(0x5100010c, 0x01);//enable select slave
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_WDWORD(0x51000114, 0xFF);//XIP time out
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_WDWORD(0x51000014, 0x2);//div 2
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//quad
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_WDWORD(0x51000108, (2)|(6<<4)|(2<<9)|(1<<22)|(1<<29)|(1<<23)|(0<<24)|(8<<13));
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_WDWORD(0x51000100, 0x6b);//quad read cmd
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_WDWORD(0x51000104, 0x6b);//quad read cmd
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// //dual
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// _WDWORD(0x51000108, (1)|(6<<4)|(2<<9)|(1<<22)|(1<<29)|(1<<23)|(0)|(8<<13));
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// _WDWORD(0x51000100, 0x3b);//dual read cmd
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// _WDWORD(0x51000104, 0x3b);//dual read cmd
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_WDWORD(0x51000008, 1); //enable spi
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}
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FUNC void Initialization(void)
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{
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InitGpio();
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InitFlash();
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InitXIP();
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SP = _RDWORD(0x11001000);
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PC = _RDWORD(0x11001004);
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_WDWORD(0x4000013C, 0x11001001);
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}
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LOAD %L INCREMENTAL
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Initialization(); |