URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [soc/] [sw/] [sd_boot_loader/] [main.c] - Diff between revs 13 and 17

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Rev 13	Rev 17
Line 100...	Line 100...


`/******************************************************************************/`	`/******************************************************************************/`
`/* F O R s p i M A S T E R */`	`/* F O R s p i M A S T E R */`
`/******************************************************************************/`	`/******************************************************************************/`

`//Initialize`	`//Initialize`
`int spiMaster_init()`	`int spiMaster_init()`
`{`	`{`
`uint8 data;`	`uint8 data;`
`int i;`	`int i;`

`REG8(SD_BASE_ADD + SD_TX_FIFO_CONTROL_REG) = 0x10;`	`REG8(SD_BASE_ADD + SD_CLK_DEL_REG) = 0x1;`

`for (i = 0; i < 5; i++) {`	`for (i = 0; i < 5; i++) {`
`REG8(SD_BASE_ADD + SD_TRANS_TYPE_REG) = SD_INIT_SD;`	`REG8(SD_BASE_ADD + SD_TRANS_TYPE_REG) = SD_INIT_SD;`
`REG8(SD_BASE_ADD + SD_TRANS_CTRL_REG) = 1; // TRANS_START;`	`REG8(SD_BASE_ADD + SD_TRANS_CTRL_REG) = 1; // TRANS_START;`

Line 120...	Line 121...
`;`	`;`
`}`	`}`

`data = REG8(SD_BASE_ADD + SD_TRANS_ERROR_REG) & 0x3;`	`data = REG8(SD_BASE_ADD + SD_TRANS_ERROR_REG) & 0x3;`

`if (data == 0)`	`if (data == 0) {`
`return data;`	`return 0;`
	`}`
`}`	`}`
`return data;`	`return data;`
`}`	`}`

`unsigned char data[512];`	`unsigned char data[512];`
Line 276...	Line 278...
`print("==OpenRisc 1200 SOC==\n\r\n");`	`print("==OpenRisc 1200 SOC==\n\r\n");`
`GPIO_Write(~0x0);`	`GPIO_Write(~0x0);`

`print("\n\r");`	`print("\n\r");`

`print("SD Card Bootloader, v0.1\n\r");`	`print("SD Card Bootloader, v0.2\n\r");`
`print("Xianfeng Zeng, 2009 SA\n\r");`	`print("Xianfeng Zeng, 2009 SA\n\r");`
`print("Xianfeng@opencores.org\n\r");`	`print("Xianfeng@opencores.org\n\r");`
`print("http://www.opencores.org/project,or1k_soc_on_altera_embedded_dev_kit\n\r");`	`print("http://www.opencores.org/project,or1k_soc_on_altera_embedded_dev_kit\n\r");`

`print("\n\r");`	`print("\n\r");`
Line 295...	Line 297...
`print("SRAM Base Address: 0xF0000000 - 16KB\n\r");`	`print("SRAM Base Address: 0xF0000000 - 16KB\n\r");`
`print("\r\n\n");`	`print("\r\n\n");`


`print("Init SD Card:");`	`print("Init SD Card:");`
	`REG8(SD_BASE_ADD + SD_TRANS_CTRL_REG) = 0x1; /* reset spiMaster */`
	`do_sleep();`
	`REG8(SD_BASE_ADD + SD_TRANS_CTRL_REG) = 0x0;`
`if (spiMaster_init() == 0) {`	`if (spiMaster_init() == 0) {`
`print("Passed!\n\r");`	`print("Passed!\n\r");`
`} else {`	`} else {`
`print("Failed!\n\r");`	`print("Failed!\n\r");`
`}`	`}`

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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [soc/] [sw/] [sd_boot_loader/] [main.c] - Diff between revs 13 and 17