mirror of
git://projects.qi-hardware.com/xburst-tools.git
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qi-fix-s3c24xx-mci.patch
Some work on s3c24xx MCI (which might be useful for GTA01 port eventually too) Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
parent
064a13861c
commit
cd9d23c6ec
@ -3,6 +3,7 @@
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reset halt
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wait_halt
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sleep 2000
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# bring the steppingstone part of qi image into steppingstone
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#
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@ -98,6 +98,8 @@ void print8(unsigned char u);
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void print32(unsigned int u);
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void printdec(int n);
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void hexdump(unsigned char *start, int len);
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void udelay(int n);
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unsigned long crc32(unsigned long crc, const unsigned char *buf,
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unsigned int len);
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@ -21,13 +21,13 @@
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* MA 02111-1307 USA
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*/
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#ifndef _MMC_H_
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#define _MMC_H_
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#include <asm/arch/mmc.h>
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#ifndef _S3C24XX_MMC_H_
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#define _S3C24XX_MMC_H_
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#include <mmc.h>
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int mmc_init(int verbose);
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int mmc_read(ulong src, uchar *dst, int size);
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int mmc_write(uchar *src, ulong dst, int size);
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int mmc2info(ulong addr);
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int s3c24xx_mmc_init(int verbose);
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u32 s3c24xx_mmc_bread(int dev_num, u32 blknr, u32 blkcnt, void *dst);
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int s3c24xx_mmc_read(u32 src, u8 *dst, int size);
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int s3c24xx_mmc_write(u8 *src, u32 dst, int size);
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#endif /* _MMC_H_ */
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110
qiboot/include/s3c24xx-regs-sdi.h
Normal file
110
qiboot/include/s3c24xx-regs-sdi.h
Normal file
@ -0,0 +1,110 @@
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/* linux/include/asm/arch-s3c2410/regs-sdi.h
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*
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* Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
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* http://www.simtec.co.uk/products/SWLINUX/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* S3C2410 MMC/SDIO register definitions
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*
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* Changelog:
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* 18-Aug-2004 Ben Dooks Created initial file
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* 29-Nov-2004 Koen Martens Added some missing defines, fixed duplicates
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* 29-Nov-2004 Ben Dooks Updated Koen's patch
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*/
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#ifndef __ASM_ARM_REGS_SDI
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#define __ASM_ARM_REGS_SDI "regs-sdi.h"
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#define S3C2440_SDICON_SDRESET (1<<8)
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#define S3C2440_SDICON_MMCCLOCK (1<<5)
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#define S3C2410_SDICON_BYTEORDER (1<<4)
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#define S3C2410_SDICON_SDIOIRQ (1<<3)
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#define S3C2410_SDICON_RWAITEN (1<<2)
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#define S3C2410_SDICON_FIFORESET (1<<1)
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#define S3C2410_SDICON_CLOCKTYPE (1<<0)
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#define S3C2410_SDICMDCON_ABORT (1<<12)
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#define S3C2410_SDICMDCON_WITHDATA (1<<11)
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#define S3C2410_SDICMDCON_LONGRSP (1<<10)
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#define S3C2410_SDICMDCON_WAITRSP (1<<9)
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#define S3C2410_SDICMDCON_CMDSTART (1<<8)
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#define S3C2410_SDICMDCON_SENDERHOST (1<<6)
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#define S3C2410_SDICMDCON_INDEX (0x3f)
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#define S3C2410_SDICMDSTAT_CRCFAIL (1<<12)
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#define S3C2410_SDICMDSTAT_CMDSENT (1<<11)
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#define S3C2410_SDICMDSTAT_CMDTIMEOUT (1<<10)
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#define S3C2410_SDICMDSTAT_RSPFIN (1<<9)
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#define S3C2410_SDICMDSTAT_XFERING (1<<8)
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#define S3C2410_SDICMDSTAT_INDEX (0xff)
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#define S3C2440_SDIDCON_DS_BYTE (0<<22)
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#define S3C2440_SDIDCON_DS_HALFWORD (1<<22)
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#define S3C2440_SDIDCON_DS_WORD (2<<22)
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#define S3C2410_SDIDCON_IRQPERIOD (1<<21)
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#define S3C2410_SDIDCON_TXAFTERRESP (1<<20)
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#define S3C2410_SDIDCON_RXAFTERCMD (1<<19)
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#define S3C2410_SDIDCON_BUSYAFTERCMD (1<<18)
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#define S3C2410_SDIDCON_BLOCKMODE (1<<17)
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#define S3C2410_SDIDCON_WIDEBUS (1<<16)
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#define S3C2410_SDIDCON_DMAEN (1<<15)
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#define S3C2410_SDIDCON_STOP (1<<14)
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#define S3C2440_SDIDCON_DATSTART (1<<14)
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#define S3C2410_SDIDCON_DATMODE (3<<12)
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#define S3C2410_SDIDCON_BLKNUM (0x7ff)
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/* constants for S3C2410_SDIDCON_DATMODE */
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#define S3C2410_SDIDCON_XFER_READY (0<<12)
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#define S3C2410_SDIDCON_XFER_CHKSTART (1<<12)
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#define S3C2410_SDIDCON_XFER_RXSTART (2<<12)
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#define S3C2410_SDIDCON_XFER_TXSTART (3<<12)
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#define S3C2410_SDIDCNT_BLKNUM_MASK (0xFFF)
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#define S3C2410_SDIDCNT_BLKNUM_SHIFT (12)
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#define S3C2410_SDIDSTA_RDYWAITREQ (1<<10)
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#define S3C2410_SDIDSTA_SDIOIRQDETECT (1<<9)
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#define S3C2410_SDIDSTA_FIFOFAIL (1<<8) /* reserved on 2440 */
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#define S3C2410_SDIDSTA_CRCFAIL (1<<7)
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#define S3C2410_SDIDSTA_RXCRCFAIL (1<<6)
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#define S3C2410_SDIDSTA_DATATIMEOUT (1<<5)
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#define S3C2410_SDIDSTA_XFERFINISH (1<<4)
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#define S3C2410_SDIDSTA_BUSYFINISH (1<<3)
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#define S3C2410_SDIDSTA_SBITERR (1<<2) /* reserved on 2410a/2440 */
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#define S3C2410_SDIDSTA_TXDATAON (1<<1)
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#define S3C2410_SDIDSTA_RXDATAON (1<<0)
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#define S3C2440_SDIFSTA_FIFORESET (1<<16)
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#define S3C2440_SDIFSTA_FIFOFAIL (3<<14) /* 3 is correct (2 bits) */
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#define S3C2410_SDIFSTA_TFDET (1<<13)
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#define S3C2410_SDIFSTA_RFDET (1<<12)
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#define S3C2410_SDIFSTA_TFHALF (1<<11)
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#define S3C2410_SDIFSTA_TFEMPTY (1<<10)
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#define S3C2410_SDIFSTA_RFLAST (1<<9)
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#define S3C2410_SDIFSTA_RFFULL (1<<8)
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#define S3C2410_SDIFSTA_RFHALF (1<<7)
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#define S3C2410_SDIFSTA_COUNTMASK (0x7f)
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#define S3C2410_SDIIMSK_RESPONSECRC (1<<17)
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#define S3C2410_SDIIMSK_CMDSENT (1<<16)
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#define S3C2410_SDIIMSK_CMDTIMEOUT (1<<15)
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#define S3C2410_SDIIMSK_RESPONSEND (1<<14)
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#define S3C2410_SDIIMSK_READWAIT (1<<13)
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#define S3C2410_SDIIMSK_SDIOIRQ (1<<12)
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#define S3C2410_SDIIMSK_FIFOFAIL (1<<11)
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#define S3C2410_SDIIMSK_CRCSTATUS (1<<10)
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#define S3C2410_SDIIMSK_DATACRC (1<<9)
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#define S3C2410_SDIIMSK_DATATIMEOUT (1<<8)
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#define S3C2410_SDIIMSK_DATAFINISH (1<<7)
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#define S3C2410_SDIIMSK_BUSYFINISH (1<<6)
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#define S3C2410_SDIIMSK_SBITERR (1<<5) /* reserved 2440/2410a */
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#define S3C2410_SDIIMSK_TXFIFOHALF (1<<4)
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#define S3C2410_SDIIMSK_TXFIFOEMPTY (1<<3)
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#define S3C2410_SDIIMSK_RXFIFOLAST (1<<2)
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#define S3C2410_SDIIMSK_RXFIFOFULL (1<<1)
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#define S3C2410_SDIIMSK_RXFIFOHALF (1<<0)
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#endif /* __ASM_ARM_REGS_SDI */
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@ -1,5 +1,8 @@
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#if 0
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/*
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* qi s3c24xx SD card driver
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* Author: Andy Green <andy@openmoko.com>
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* based on ---->
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*
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* u-boot S3C2410 MMC/SD card driver
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* (C) Copyright 2006 by OpenMoko, Inc.
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* Author: Harald Welte <laforge@openmoko.org>
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@ -23,32 +26,51 @@
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* MA 02111-1307 USA
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*/
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#include <config.h>
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#include <common.h>
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#include <qi.h>
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#include <mmc.h>
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#include <asm/io.h>
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#include <s3c2410.h>
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#include <part.h>
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#include <fat.h>
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#include <s3c24xx-regs-sdi.h>
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#include <string.h>
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#if defined(CONFIG_MMC) && defined(CONFIG_MMC_S3C)
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#define SDICON (*(u32 *)0x5a000000)
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#define SDIPRE (*(u32 *)0x5a000004)
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#define SDICARG (*(u32 *)0x5a000008)
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#define SDICCON (*(u32 *)0x5a00000c)
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#define SDICSTA (*(u32 *)0x5a000010)
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#define SDIRSP0 (*(u32 *)0x5a000014)
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#define SDIRSP1 (*(u32 *)0x5a000018)
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#define SDIRSP2 (*(u32 *)0x5a00001c)
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#define SDIRSP3 (*(u32 *)0x5a000020)
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#define SDIDTIMER (*(u32 *)0x5a000024)
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#define SDIBSIZE (*(u32 *)0x5a000028)
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#define SDIDCON (*(u32 *)0x5a00002c)
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#define SDIDCNT (*(u32 *)0x5a000030)
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#define SDIDSTA (*(u32 *)0x5a000034)
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#define SDIFSTA (*(u32 *)0x5a000038)
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/* s3c2410 in GTA01 has these two last ones the other way around!!! */
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#define SDIIMSK (*(u32 *)0x5a00003c)
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#define SDIDAT (*(u32 *)0x5a000040)
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#define SDIDAT2410 (*(u32 *)0x5a00003c)
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#define SDIIMSK2410 (*(u32 *)0x5a000040)
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#define CFG_MMC_BASE 0xff000000
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/* FIXME: anyone who wants to use this on GTA01 / s3c2410 need to
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* have this return 1 on that CPU
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*/
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int am_i_s3c2410(void)
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{
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return 0;
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}
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#define CONFIG_MMC_WIDE
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static S3C2410_SDI *sdi;
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static block_dev_desc_t mmc_dev;
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block_dev_desc_t * mmc_get_dev(int dev)
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{
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return ((block_dev_desc_t *)&mmc_dev);
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}
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#define MMC_BLOCK_SIZE 512
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/*
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* FIXME needs to read cid and csd info to determine block size
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* and other parameters
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*/
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static uchar mmc_buf[MMC_BLOCK_SIZE];
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static u8 mmc_buf[MMC_BLOCK_SIZE];
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static mmc_csd_t mmc_csd;
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static int mmc_ready = 0;
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static int wide = 0;
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@ -57,22 +79,22 @@ static int wide = 0;
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#define CMD_F_RESP 0x01
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#define CMD_F_RESP_LONG 0x02
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static u_int32_t *mmc_cmd(ushort cmd, ulong arg, ushort flags)
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static u32 *mmc_cmd(u16 cmd, u32 arg, u16 flags)
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{
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static u_int32_t resp[5];
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static u32 resp[5];
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u_int32_t ccon, csta;
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u_int32_t csta_rdy_bit = S3C2410_SDICMDSTAT_CMDSENT;
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u32 ccon, csta;
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u32 csta_rdy_bit = S3C2410_SDICMDSTAT_CMDSENT;
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memset(resp, 0, sizeof(resp));
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debug("mmc_cmd CMD%d arg=0x%08x flags=%x\n", cmd, arg, flags);
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// debug("mmc_cmd CMD%d arg=0x%08x flags=%x\n", cmd, arg, flags);
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sdi->SDICSTA = 0xffffffff;
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sdi->SDIDSTA = 0xffffffff;
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sdi->SDIFSTA = 0xffffffff;
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SDICSTA = 0xffffffff;
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SDIDSTA = 0xffffffff;
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SDIFSTA = 0xffffffff;
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sdi->SDICARG = arg;
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SDICARG = arg;
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ccon = cmd & S3C2410_SDICMDCON_INDEX;
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ccon |= S3C2410_SDICMDCON_SENDERHOST|S3C2410_SDICMDCON_CMDSTART;
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@ -85,51 +107,51 @@ static u_int32_t *mmc_cmd(ushort cmd, ulong arg, ushort flags)
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if (flags & CMD_F_RESP_LONG)
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ccon |= S3C2410_SDICMDCON_LONGRSP;
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sdi->SDICCON = ccon;
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SDICCON = ccon;
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while (1) {
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csta = sdi->SDICSTA;
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csta = SDICSTA;
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if (csta & csta_rdy_bit)
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break;
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if (csta & S3C2410_SDICMDSTAT_CMDTIMEOUT) {
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printf("===============> MMC CMD Timeout\n");
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sdi->SDICSTA |= S3C2410_SDICMDSTAT_CMDTIMEOUT;
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puts("===============> MMC CMD Timeout\n");
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SDICSTA |= S3C2410_SDICMDSTAT_CMDTIMEOUT;
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break;
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}
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}
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debug("final MMC CMD status 0x%x\n", csta);
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// debug("final MMC CMD status 0x%x\n", csta);
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sdi->SDICSTA |= csta_rdy_bit;
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SDICSTA |= csta_rdy_bit;
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if (flags & CMD_F_RESP) {
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resp[0] = sdi->SDIRSP0;
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resp[1] = sdi->SDIRSP1;
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resp[2] = sdi->SDIRSP2;
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resp[3] = sdi->SDIRSP3;
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resp[0] = SDIRSP0;
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resp[1] = SDIRSP1;
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resp[2] = SDIRSP2;
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resp[3] = SDIRSP3;
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}
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return resp;
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}
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#define FIFO_FILL(host) ((host->SDIFSTA & S3C2410_SDIFSTA_COUNTMASK) >> 2)
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#define FIFO_FILL() ((SDIFSTA & S3C2410_SDIFSTA_COUNTMASK) >> 2)
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static int mmc_block_read(uchar *dst, ulong src, ulong len)
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static int mmc_block_read(u8 *dst, u32 src, u32 len)
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{
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u_int32_t dcon, fifo;
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u_int32_t *dst_u32 = (u_int32_t *)dst;
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u_int32_t *resp;
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u32 dcon, fifo;
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u32 *dst_u32 = (u32 *)dst;
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u32 *resp;
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if (len == 0)
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return 0;
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debug("mmc_block_rd dst %lx src %lx len %d\n", (ulong)dst, src, len);
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// debug("mmc_block_rd dst %lx src %lx len %d\n", (u32)dst, src, len);
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/* set block len */
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resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, len, CMD_F_RESP);
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sdi->SDIBSIZE = len;
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SDIBSIZE = len;
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//sdi->SDIPRE = 0xff;
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//SDIPRE = 0xff;
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/* setup data */
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dcon = (len >> 9) & S3C2410_SDIDCON_BLKNUM;
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@ -137,66 +159,82 @@ static int mmc_block_read(uchar *dst, ulong src, ulong len)
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dcon |= S3C2410_SDIDCON_RXAFTERCMD|S3C2410_SDIDCON_XFER_RXSTART;
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if (wide)
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dcon |= S3C2410_SDIDCON_WIDEBUS;
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#if defined(CONFIG_S3C2440) || defined(CONFIG_S3C2442)
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dcon |= S3C2440_SDIDCON_DS_WORD | S3C2440_SDIDCON_DATSTART;
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#endif
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sdi->SDIDCON = dcon;
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if (!am_i_s3c2410())
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dcon |= S3C2440_SDIDCON_DS_WORD | S3C2440_SDIDCON_DATSTART;
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SDIDCON = dcon;
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/* send read command */
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resp = mmc_cmd(MMC_CMD_READ_BLOCK, src, CMD_F_RESP);
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while (len > 0) {
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u_int32_t sdidsta = sdi->SDIDSTA;
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fifo = FIFO_FILL(sdi);
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u32 sdidsta = SDIDSTA;
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fifo = FIFO_FILL();
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if (sdidsta & (S3C2410_SDIDSTA_FIFOFAIL|
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S3C2410_SDIDSTA_CRCFAIL|
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S3C2410_SDIDSTA_RXCRCFAIL|
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S3C2410_SDIDSTA_DATATIMEOUT)) {
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printf("mmc_block_read: err SDIDSTA=0x%08x\n", sdidsta);
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return -EIO;
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puts("mmc_block_read: err SDIDSTA=0x");
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print32(sdidsta);
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puts("\n");
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return -1;
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}
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while (fifo--) {
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//debug("dst_u32 = 0x%08x\n", dst_u32);
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*(dst_u32++) = sdi->SDIDAT;
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if (len >= 4)
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len -= 4;
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else {
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len = 0;
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break;
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if (am_i_s3c2410()) {
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while (fifo--) {
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//debug("dst_u32 = 0x%08x\n", dst_u32);
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*(dst_u32++) = SDIDAT2410;
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if (len >= 4)
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len -= 4;
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else {
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len = 0;
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break;
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}
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||||
}
|
||||
} else {
|
||||
while (fifo--) {
|
||||
//debug("dst_u32 = 0x%08x\n", dst_u32);
|
||||
*(dst_u32++) = SDIDAT;
|
||||
if (len >= 4)
|
||||
len -= 4;
|
||||
else {
|
||||
len = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
debug("waiting for SDIDSTA (currently 0x%08x\n", sdi->SDIDSTA);
|
||||
while (!(sdi->SDIDSTA & (1 << 4))) {}
|
||||
debug("done waiting for SDIDSTA (currently 0x%08x\n", sdi->SDIDSTA);
|
||||
// debug("waiting for SDIDSTA (currently 0x%08x\n", SDIDSTA);
|
||||
while (!(SDIDSTA & (1 << 4))) {}
|
||||
// debug("done waiting for SDIDSTA (currently 0x%08x\n", SDIDSTA);
|
||||
|
||||
sdi->SDIDCON = 0;
|
||||
SDIDCON = 0;
|
||||
|
||||
if (!(sdi->SDIDSTA & S3C2410_SDIDSTA_XFERFINISH))
|
||||
debug("mmc_block_read; transfer not finished!\n");
|
||||
if (!(SDIDSTA & S3C2410_SDIDSTA_XFERFINISH))
|
||||
puts("mmc_block_read; transfer not finished!\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mmc_block_write(ulong dst, uchar *src, int len)
|
||||
static int mmc_block_write(u32 dst, u8 *src, int len)
|
||||
{
|
||||
printf("MMC block write not yet supported on S3C2410!\n");
|
||||
puts("MMC block write not yet supported on S3C2410!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
int mmc_read(ulong src, uchar *dst, int size)
|
||||
int s3c24xx_mmc_read(u32 src, u8 *dst, int size)
|
||||
{
|
||||
ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
ulong mmc_block_size, mmc_block_address;
|
||||
u32 end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
u32 mmc_block_size, mmc_block_address;
|
||||
|
||||
if (size == 0)
|
||||
return 0;
|
||||
|
||||
if (!mmc_ready) {
|
||||
printf("Please initialize the MMC first\n");
|
||||
puts("Please initialize the MMC first\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -211,12 +249,12 @@ int mmc_read(ulong src, uchar *dst, int size)
|
||||
aligned_end = mmc_block_address & end;
|
||||
|
||||
/* all block aligned accesses */
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_start) {
|
||||
part_len = mmc_block_size - part_start;
|
||||
debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
|
||||
@ -224,19 +262,19 @@ int mmc_read(ulong src, uchar *dst, int size)
|
||||
dst += part_len;
|
||||
src += part_len;
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size) {
|
||||
debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0)
|
||||
// debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read((u8 *)(dst), src, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_end && src < end) {
|
||||
debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
|
||||
@ -245,16 +283,16 @@ int mmc_read(ulong src, uchar *dst, int size)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mmc_write(uchar *src, ulong dst, int size)
|
||||
int s3c24xx_mmc_write(u8 *src, u32 dst, int size)
|
||||
{
|
||||
ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
ulong mmc_block_size, mmc_block_address;
|
||||
u32 end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
u32 mmc_block_size, mmc_block_address;
|
||||
|
||||
if (size == 0)
|
||||
return 0;
|
||||
|
||||
if (!mmc_ready) {
|
||||
printf("Please initialize the MMC first\n");
|
||||
puts("Please initialize the MMC first\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -269,12 +307,12 @@ int mmc_write(uchar *src, ulong dst, int size)
|
||||
aligned_end = mmc_block_address & end;
|
||||
|
||||
/* all block aligned accesses */
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_start) {
|
||||
part_len = mmc_block_size - part_start;
|
||||
debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
(ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// (u32)src, dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
|
||||
@ -285,20 +323,20 @@ int mmc_write(uchar *src, ulong dst, int size)
|
||||
dst += part_len;
|
||||
src += part_len;
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size) {
|
||||
debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0)
|
||||
// debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_write(dst, (u8 *)src, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_end && dst < end) {
|
||||
debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
// debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
// src, (u32)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0)
|
||||
return -1;
|
||||
|
||||
@ -310,12 +348,12 @@ int mmc_write(uchar *src, ulong dst, int size)
|
||||
return 0;
|
||||
}
|
||||
|
||||
ulong mmc_bread(int dev_num, ulong blknr, ulong blkcnt, void *dst)
|
||||
u32 s3c24xx_mmc_bread(int dev_num, u32 blknr, u32 blkcnt, void *dst)
|
||||
{
|
||||
int mmc_block_size = MMC_BLOCK_SIZE;
|
||||
ulong src = blknr * mmc_block_size + CFG_MMC_BASE;
|
||||
u32 src = blknr * mmc_block_size + CFG_MMC_BASE;
|
||||
|
||||
mmc_read(src, dst, blkcnt*mmc_block_size);
|
||||
s3c24xx_mmc_read(src, dst, blkcnt*mmc_block_size);
|
||||
return blkcnt;
|
||||
}
|
||||
|
||||
@ -323,9 +361,10 @@ ulong mmc_bread(int dev_num, ulong blknr, ulong blkcnt, void *dst)
|
||||
that expects it to be shifted. */
|
||||
static u_int16_t rca = MMC_DEFAULT_RCA >> 16;
|
||||
|
||||
static u_int32_t mmc_size(const struct mmc_csd *csd)
|
||||
#if 0
|
||||
static u32 mmc_size(const struct mmc_csd *csd)
|
||||
{
|
||||
u_int32_t block_len, mult, blocknr;
|
||||
u32 block_len, mult, blocknr;
|
||||
|
||||
block_len = csd->read_bl_len << 12;
|
||||
mult = csd->c_size_mult1 << 8;
|
||||
@ -333,6 +372,7 @@ static u_int32_t mmc_size(const struct mmc_csd *csd)
|
||||
|
||||
return blocknr * block_len;
|
||||
}
|
||||
#endif
|
||||
|
||||
struct sd_cid {
|
||||
char pnm_0; /* product name */
|
||||
@ -355,71 +395,92 @@ struct sd_cid {
|
||||
|
||||
static void print_mmc_cid(mmc_cid_t *cid)
|
||||
{
|
||||
printf("MMC found. Card desciption is:\n");
|
||||
printf("Manufacturer ID = %02x%02x%02x\n",
|
||||
cid->id[0], cid->id[1], cid->id[2]);
|
||||
printf("HW/FW Revision = %x %x\n",cid->hwrev, cid->fwrev);
|
||||
puts("MMC found. Card desciption is:\n");
|
||||
puts("Manufacturer ID = ");
|
||||
print8(cid->id[0]);
|
||||
print8(cid->id[1]);
|
||||
print8(cid->id[2]);
|
||||
puts("\nHW/FW Revision = ");
|
||||
print8(cid->hwrev);
|
||||
print8(cid->fwrev);
|
||||
cid->hwrev = cid->fwrev = 0; /* null terminate string */
|
||||
printf("Product Name = %s\n",cid->name);
|
||||
printf("Serial Number = %02x%02x%02x\n",
|
||||
cid->sn[0], cid->sn[1], cid->sn[2]);
|
||||
printf("Month = %d\n",cid->month);
|
||||
printf("Year = %d\n",1997 + cid->year);
|
||||
puts("Product Name = ");
|
||||
puts((char *)cid->name);
|
||||
puts("\nSerial Number = ");
|
||||
print8(cid->sn[0]);
|
||||
print8(cid->sn[1]);
|
||||
print8(cid->sn[2]);
|
||||
puts("\nMonth = ");
|
||||
printdec(cid->month);
|
||||
puts("\nYear = ");
|
||||
printdec(1997 + cid->year);
|
||||
puts("\n");
|
||||
}
|
||||
|
||||
static void print_sd_cid(const struct sd_cid *cid)
|
||||
{
|
||||
printf("Manufacturer: 0x%02x, OEM \"%c%c\"\n",
|
||||
cid->mid, cid->oid_0, cid->oid_1);
|
||||
printf("Product name: \"%c%c%c%c%c\", revision %d.%d\n",
|
||||
cid->pnm_0, cid->pnm_1, cid->pnm_2, cid->pnm_3, cid->pnm_4,
|
||||
cid->prv >> 4, cid->prv & 15);
|
||||
printf("Serial number: %u\n",
|
||||
cid->psn_0 << 24 | cid->psn_1 << 16 | cid->psn_2 << 8 |
|
||||
puts("Manufacturer: 0x");
|
||||
print8(cid->mid);
|
||||
puts("OEM \"");
|
||||
this_board->putc(cid->oid_0);
|
||||
this_board->putc(cid->oid_1);
|
||||
puts("\"\nProduct name: \"");
|
||||
this_board->putc(cid->pnm_0);
|
||||
this_board->putc(cid->pnm_1);
|
||||
this_board->putc(cid->pnm_2);
|
||||
this_board->putc(cid->pnm_3);
|
||||
this_board->putc(cid->pnm_4);
|
||||
puts("\", revision ");
|
||||
printdec(cid->prv >> 4);
|
||||
puts(".");
|
||||
printdec(cid->prv & 15);
|
||||
puts("\nSerial number: ");
|
||||
printdec(cid->psn_0 << 24 | cid->psn_1 << 16 | cid->psn_2 << 8 |
|
||||
cid->psn_3);
|
||||
printf("Manufacturing date: %d/%d\n",
|
||||
cid->mdt_1 & 15,
|
||||
2000+((cid->mdt_0 & 15) << 4)+((cid->mdt_1 & 0xf0) >> 4));
|
||||
printf("CRC: 0x%02x, b0 = %d\n",
|
||||
cid->crc >> 1, cid->crc & 1);
|
||||
puts("\nManufacturing date: ");
|
||||
printdec(cid->mdt_1 & 15);
|
||||
puts("/");
|
||||
printdec(2000+((cid->mdt_0 & 15) << 4)+((cid->mdt_1 & 0xf0) >> 4));
|
||||
puts("\nCRC: 0x");
|
||||
print8(cid->crc >> 1);
|
||||
puts(" b0 = ");
|
||||
print8(cid->crc & 1);
|
||||
puts("\n");
|
||||
}
|
||||
|
||||
int mmc_init(int verbose)
|
||||
int s3c24xx_mmc_init(int verbose)
|
||||
{
|
||||
int retries, rc = -ENODEV;
|
||||
int retries, rc = -2;
|
||||
int is_sd = 0;
|
||||
u_int32_t *resp;
|
||||
S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
|
||||
u32 *resp;
|
||||
|
||||
sdi = S3C2410_GetBase_SDI();
|
||||
SDICON = S3C2410_SDICON_FIFORESET | S3C2410_SDICON_CLOCKTYPE;
|
||||
SDIBSIZE = 512;
|
||||
if (am_i_s3c2410()) {
|
||||
/* S3C2410 has some bug that prevents reliable operation at higher speed */
|
||||
//SDIPRE = 0x3e; /* SDCLK = PCLK/2 / (SDIPRE+1) = 396kHz */
|
||||
SDIPRE = 0x02; /* 2410: SDCLK = PCLK/2 / (SDIPRE+1) = 11MHz */
|
||||
SDIDTIMER = 0xffff;
|
||||
SDIIMSK2410 = 0x0;
|
||||
} else {
|
||||
SDIPRE = 0x05; /* 2410: SDCLK = PCLK / (SDIPRE+1) = 11MHz */
|
||||
SDIDTIMER = 0x7fffff;
|
||||
SDIIMSK = 0x0;
|
||||
}
|
||||
|
||||
debug("mmc_init(PCLK=%u)\n", get_PCLK());
|
||||
|
||||
clk_power->CLKCON |= (1 << 9);
|
||||
|
||||
sdi->SDIBSIZE = 512;
|
||||
#if defined(CONFIG_S3C2410)
|
||||
/* S3C2410 has some bug that prevents reliable operation at higher speed */
|
||||
//sdi->SDIPRE = 0x3e; /* SDCLK = PCLK/2 / (SDIPRE+1) = 396kHz */
|
||||
sdi->SDIPRE = 0x02; /* 2410: SDCLK = PCLK/2 / (SDIPRE+1) = 11MHz */
|
||||
sdi->SDIDTIMER = 0xffff;
|
||||
#elif defined(CONFIG_S3C2440) || defined(CONFIG_S3C2442)
|
||||
sdi->SDIPRE = 0x05; /* 2410: SDCLK = PCLK / (SDIPRE+1) = 11MHz */
|
||||
sdi->SDIDTIMER = 0x7fffff;
|
||||
#endif
|
||||
sdi->SDIIMSK = 0x0;
|
||||
sdi->SDICON = S3C2410_SDICON_FIFORESET|S3C2410_SDICON_CLOCKTYPE;
|
||||
udelay(125000); /* FIXME: 74 SDCLK cycles */
|
||||
udelay(1250000); /* FIXME: 74 SDCLK cycles */
|
||||
|
||||
mmc_csd.c_size = 0;
|
||||
|
||||
puts("Sending reset...\n");
|
||||
|
||||
/* reset */
|
||||
retries = 10;
|
||||
resp = mmc_cmd(MMC_CMD_RESET, 0, 0);
|
||||
|
||||
printf("trying to detect SD Card...\n");
|
||||
puts("trying to detect SD Card...\n");
|
||||
while (retries--) {
|
||||
udelay(100000);
|
||||
udelay(1000000);
|
||||
resp = mmc_cmd(55, 0x00000000, CMD_F_RESP);
|
||||
resp = mmc_cmd(41, 0x00300000, CMD_F_RESP);
|
||||
|
||||
@ -429,16 +490,8 @@ int mmc_init(int verbose)
|
||||
}
|
||||
}
|
||||
|
||||
if (retries == 0 && !is_sd) {
|
||||
retries = 10;
|
||||
printf("failed to detect SD Card, trying MMC\n");
|
||||
resp = mmc_cmd(MMC_CMD_SEND_OP_COND, 0x00ffc000, CMD_F_RESP);
|
||||
while (retries-- && resp && !(resp[4] & 0x80)) {
|
||||
debug("resp %x %x\n", resp[0], resp[1]);
|
||||
udelay(50);
|
||||
resp = mmc_cmd(1, 0x00ffff00, CMD_F_RESP);
|
||||
}
|
||||
}
|
||||
if (retries < 0 && !is_sd)
|
||||
return -3;
|
||||
|
||||
/* try to get card id */
|
||||
resp = mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, CMD_F_RESP|CMD_F_RESP_LONG);
|
||||
@ -450,6 +503,7 @@ int mmc_init(int verbose)
|
||||
|
||||
if (verbose)
|
||||
print_mmc_cid(cid);
|
||||
#if 0
|
||||
sprintf((char *) mmc_dev.vendor,
|
||||
"Man %02x%02x%02x Snr %02x%02x%02x",
|
||||
cid->id[0], cid->id[1], cid->id[2],
|
||||
@ -457,12 +511,14 @@ int mmc_init(int verbose)
|
||||
sprintf((char *) mmc_dev.product,"%s",cid->name);
|
||||
sprintf((char *) mmc_dev.revision,"%x %x",
|
||||
cid->hwrev, cid->fwrev);
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
struct sd_cid *cid = (struct sd_cid *) resp;
|
||||
|
||||
if (verbose)
|
||||
print_sd_cid(cid);
|
||||
#if 0
|
||||
sprintf((char *) mmc_dev.vendor,
|
||||
"Man %02 OEM %c%c \"%c%c%c%c%c\"",
|
||||
cid->mid, cid->oid_0, cid->oid_1,
|
||||
@ -473,19 +529,9 @@ int mmc_init(int verbose)
|
||||
cid->psn_2 << 8 | cid->psn_3);
|
||||
sprintf((char *) mmc_dev.revision, "%d.%d",
|
||||
cid->prv >> 4, cid->prv & 15);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* fill in device description */
|
||||
mmc_dev.if_type = IF_TYPE_MMC;
|
||||
mmc_dev.part_type = PART_TYPE_DOS;
|
||||
mmc_dev.dev = 0;
|
||||
mmc_dev.lun = 0;
|
||||
mmc_dev.type = 0;
|
||||
/* FIXME fill in the correct size (is set to 32MByte) */
|
||||
mmc_dev.blksz = 512;
|
||||
mmc_dev.lba = 0x10000;
|
||||
mmc_dev.removable = 0;
|
||||
mmc_dev.block_read = mmc_bread;
|
||||
|
||||
/* MMC exists, get CSD too */
|
||||
resp = mmc_cmd(MMC_CMD_SET_RCA, MMC_DEFAULT_RCA, CMD_F_RESP);
|
||||
@ -498,10 +544,12 @@ int mmc_init(int verbose)
|
||||
memcpy(&mmc_csd, csd, sizeof(csd));
|
||||
rc = 0;
|
||||
mmc_ready = 1;
|
||||
#if 0
|
||||
/* FIXME add verbose printout for csd */
|
||||
printf("READ_BL_LEN=%u, C_SIZE_MULT=%u, C_SIZE=%u\n",
|
||||
csd->read_bl_len, csd->c_size_mult1, csd->c_size);
|
||||
printf("size = %u\n", mmc_size(csd));
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
@ -515,26 +563,7 @@ int mmc_init(int verbose)
|
||||
}
|
||||
#endif
|
||||
|
||||
fat_register_device(&mmc_dev,1); /* partitions start counting with 1 */
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
int
|
||||
mmc_ident(block_dev_desc_t *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
mmc2info(ulong addr)
|
||||
{
|
||||
/* FIXME hard codes to 32 MB device */
|
||||
if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* defined(CONFIG_MMC) && defined(CONFIG_MMC_S3C) */
|
||||
#endif
|
||||
|
@ -4,6 +4,7 @@
|
||||
#include <ports-s3c24xx.h>
|
||||
#include <i2c-bitbang-s3c24xx.h>
|
||||
#include <pcf50633.h>
|
||||
#include <s3c24xx-mci.h>
|
||||
|
||||
#define GTA03_DEBUG_UART 2
|
||||
|
||||
@ -215,6 +216,18 @@ static void putc_gta03(char c)
|
||||
serial_putc_s3c24xx(GTA03_DEBUG_UART, c);
|
||||
}
|
||||
|
||||
int sd_card_init_gta03(void)
|
||||
{
|
||||
return s3c24xx_mmc_init(1);
|
||||
}
|
||||
|
||||
int sd_card_block_read_gta03(unsigned char * buf, unsigned long start512,
|
||||
int blocks512)
|
||||
{
|
||||
return s3c24xx_mmc_bread(0, start512, blocks512, buf);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* our API for bootloader on this machine
|
||||
@ -232,6 +245,28 @@ const struct board_api board_api_gta03 = {
|
||||
/* these are the ways we could boot GTA03 in order to try */
|
||||
.kernel_source = {
|
||||
[0] = {
|
||||
.name = "SD Card EXT2 Kernel",
|
||||
.block_init = sd_card_init_gta03,
|
||||
.block_read = sd_card_block_read_gta03,
|
||||
.partition_index = 1,
|
||||
.filesystem = FS_EXT2,
|
||||
.filepath = "boot/uImage.bin",
|
||||
.commandline = "mtdparts=physmap-flash:-(nor);" \
|
||||
"neo1973-nand:" \
|
||||
"0x00040000(qi)," \
|
||||
"0x00040000(cmdline)," \
|
||||
"0x00800000(backupkernel)," \
|
||||
"0x000a0000(extra)," \
|
||||
"0x00040000(identity)," \
|
||||
"0x0f6a0000(backuprootfs) " \
|
||||
"rootfstype=ext2 " \
|
||||
"root=/dev/mmcblk0p1 " \
|
||||
"console=ttySAC2,115200 " \
|
||||
"loglevel=4 " \
|
||||
"init=/sbin/init "\
|
||||
"ro"
|
||||
},
|
||||
[1] = {
|
||||
.name = "NAND Kernel",
|
||||
.block_read = nand_read_ll,
|
||||
.offset_blocks512_if_no_partition = 0x80000 / 512,
|
||||
|
@ -166,7 +166,7 @@ startup_2442:
|
||||
|
||||
/* enable only CPU peripheral block clocks we actually use */
|
||||
ldr r0, =0x4c00000c /* clkcon */
|
||||
ldr r1, =0x3d10 /* uart, pwm, gpio, nand clocks on */
|
||||
ldr r1, =0x3f10 /* uart, pwm, gpio, nand, sdi clocks on */
|
||||
str r1, [r0]
|
||||
|
||||
/* gpio UART2 init, H port */
|
||||
|
Loading…
Reference in New Issue
Block a user