diff options
Diffstat (limited to 'cpu/pxa')
| -rw-r--r-- | cpu/pxa/Makefile | 2 | ||||
| -rw-r--r-- | cpu/pxa/mmc.c | 650 | ||||
| -rw-r--r-- | cpu/pxa/mmc.h | 138 |
3 files changed, 1 insertions, 789 deletions
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile index 8b4367e..42903b2 100644 --- a/cpu/pxa/Makefile +++ b/cpu/pxa/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -COBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o +COBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o usb.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/pxa/mmc.c b/cpu/pxa/mmc.c deleted file mode 100644 index 8f5277e..0000000 --- a/cpu/pxa/mmc.c +++ /dev/null @@ -1,650 +0,0 @@ -/* - * (C) Copyright 2003 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <common.h> -#include <mmc.h> -#include <asm/errno.h> -#include <asm/arch/hardware.h> -#include <part.h> - -#include "mmc.h" - -#ifdef CONFIG_MMC - -extern int fat_register_device(block_dev_desc_t * dev_desc, int part_no); - -static block_dev_desc_t mmc_dev; - -block_dev_desc_t *mmc_get_dev(int dev) -{ - return ((block_dev_desc_t *) & mmc_dev); -} - -/* - * FIXME needs to read cid and csd info to determine block size - * and other parameters - */ -static uchar mmc_buf[MMC_BLOCK_SIZE]; -static uchar spec_ver; -static int mmc_ready = 0; -static int wide = 0; - -static uint32_t * -/****************************************************/ -mmc_cmd(ushort cmd, ushort argh, ushort argl, ushort cmdat) -/****************************************************/ -{ - static uint32_t resp[4], a, b, c; - ulong status; - int i; - - debug("mmc_cmd %u 0x%04x 0x%04x 0x%04x\n", cmd, argh, argl, - cmdat | wide); - MMC_STRPCL = MMC_STRPCL_STOP_CLK; - MMC_I_MASK = ~MMC_I_MASK_CLK_IS_OFF; - while (!(MMC_I_REG & MMC_I_REG_CLK_IS_OFF)) ; - MMC_CMD = cmd; - MMC_ARGH = argh; - MMC_ARGL = argl; - MMC_CMDAT = cmdat | wide; - MMC_I_MASK = ~MMC_I_MASK_END_CMD_RES; - MMC_STRPCL = MMC_STRPCL_START_CLK; - while (!(MMC_I_REG & MMC_I_REG_END_CMD_RES)) ; - - status = MMC_STAT; - debug("MMC status 0x%08x\n", status); - if (status & MMC_STAT_TIME_OUT_RESPONSE) { - return 0; - } - - /* Linux says: - * Did I mention this is Sick. We always need to - * discard the upper 8 bits of the first 16-bit word. - */ - a = (MMC_RES & 0xffff); - for (i = 0; i < 4; i++) { - b = (MMC_RES & 0xffff); - c = (MMC_RES & 0xffff); - resp[i] = (a << 24) | (b << 8) | (c >> 8); - a = c; - debug("MMC resp[%d] = %#08x\n", i, resp[i]); - } - - return resp; -} - -int -/****************************************************/ -mmc_block_read(uchar * dst, ulong src, ulong len) -/****************************************************/ -{ - ushort argh, argl; - ulong status; - - if (len == 0) { - return 0; - } - - debug("mmc_block_rd dst %lx src %lx len %d\n", (ulong) dst, src, len); - - argh = len >> 16; - argl = len & 0xffff; - - /* set block len */ - mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1); - - /* send read command */ - argh = src >> 16; - argl = src & 0xffff; - MMC_STRPCL = MMC_STRPCL_STOP_CLK; - MMC_RDTO = 0xffff; - MMC_NOB = 1; - MMC_BLKLEN = len; - mmc_cmd(MMC_CMD_READ_SINGLE_BLOCK, argh, argl, - MMC_CMDAT_R1 | MMC_CMDAT_READ | MMC_CMDAT_BLOCK | - MMC_CMDAT_DATA_EN); - - MMC_I_MASK = ~MMC_I_MASK_RXFIFO_RD_REQ; - while (len) { - if (MMC_I_REG & MMC_I_REG_RXFIFO_RD_REQ) { -#ifdef CONFIG_PXA27X - int i; - for (i = min(len, 32); i; i--) { - *dst++ = *((volatile uchar *)&MMC_RXFIFO); - len--; - } -#else - *dst++ = MMC_RXFIFO; - len--; -#endif - } - status = MMC_STAT; - if (status & MMC_STAT_ERRORS) { - printf("MMC_STAT error %lx\n", status); - return -1; - } - } - MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE; - while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE)) ; - status = MMC_STAT; - if (status & MMC_STAT_ERRORS) { - printf("MMC_STAT error %lx\n", status); - return -1; - } - return 0; -} - -int -/****************************************************/ -mmc_block_write(ulong dst, uchar * src, int len) -/****************************************************/ -{ - ushort argh, argl; - ulong status; - - if (len == 0) { - return 0; - } - - debug("mmc_block_wr dst %lx src %lx len %d\n", dst, (ulong) src, len); - - argh = len >> 16; - argl = len & 0xffff; - - /* set block len */ - mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1); - - /* send write command */ - argh = dst >> 16; - argl = dst & 0xffff; - MMC_STRPCL = MMC_STRPCL_STOP_CLK; - MMC_NOB = 1; - MMC_BLKLEN = len; - mmc_cmd(MMC_CMD_WRITE_BLOCK, argh, argl, - MMC_CMDAT_R1 | MMC_CMDAT_WRITE | MMC_CMDAT_BLOCK | - MMC_CMDAT_DATA_EN); - - MMC_I_MASK = ~MMC_I_MASK_TXFIFO_WR_REQ; - while (len) { - if (MMC_I_REG & MMC_I_REG_TXFIFO_WR_REQ) { - int i, bytes = min(32, len); - - for (i = 0; i < bytes; i++) { - MMC_TXFIFO = *src++; - } - if (bytes < 32) { - MMC_PRTBUF = MMC_PRTBUF_BUF_PART_FULL; - } - len -= bytes; - } - status = MMC_STAT; - if (status & MMC_STAT_ERRORS) { - printf("MMC_STAT error %lx\n", status); - return -1; - } - } - MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE; - while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE)) ; - MMC_I_MASK = ~MMC_I_MASK_PRG_DONE; - while (!(MMC_I_REG & MMC_I_REG_PRG_DONE)) ; - status = MMC_STAT; - if (status & MMC_STAT_ERRORS) { - printf("MMC_STAT error %lx\n", status); - return -1; - } - return 0; -} - -int -/****************************************************/ -mmc_read(ulong src, uchar * dst, int size) -/****************************************************/ -{ - ulong end, part_start, part_end, part_len, aligned_start, aligned_end; - ulong mmc_block_size, mmc_block_address; - - if (size == 0) { - return 0; - } - - if (!mmc_ready) { - printf("Please initial the MMC first\n"); - return -1; - } - - mmc_block_size = MMC_BLOCK_SIZE; - mmc_block_address = ~(mmc_block_size - 1); - - src -= CONFIG_SYS_MMC_BASE; - end = src + size; - part_start = ~mmc_block_address & src; - part_end = ~mmc_block_address & end; - aligned_start = mmc_block_address & src; - 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); - 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); - if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < - 0) { - return -1; - } - memcpy(dst, mmc_buf + part_start, part_len); - 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); - 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) { - 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); - 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); - if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) { - return -1; - } - memcpy(dst, mmc_buf, part_end); - } - return 0; -} - -int -/****************************************************/ -mmc_write(uchar * src, ulong dst, int size) -/****************************************************/ -{ - ulong end, part_start, part_end, part_len, aligned_start, aligned_end; - ulong mmc_block_size, mmc_block_address; - - if (size == 0) { - return 0; - } - - if (!mmc_ready) { - printf("Please initial the MMC first\n"); - return -1; - } - - mmc_block_size = MMC_BLOCK_SIZE; - mmc_block_address = ~(mmc_block_size - 1); - - dst -= CONFIG_SYS_MMC_BASE; - end = dst + size; - part_start = ~mmc_block_address & dst; - part_end = ~mmc_block_address & end; - aligned_start = mmc_block_address & dst; - 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); - 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); - if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < - 0) { - return -1; - } - memcpy(mmc_buf + part_start, src, part_len); - if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < - 0) { - return -1; - } - 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); - 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) { - 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); - 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); - if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) { - return -1; - } - memcpy(mmc_buf, src, part_end); - if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0) { - return -1; - } - } - return 0; -} - -ulong -/****************************************************/ -mmc_bread(int dev_num, ulong blknr, lbaint_t blkcnt, void *dst) -/****************************************************/ -{ - int mmc_block_size = MMC_BLOCK_SIZE; - ulong src = blknr * mmc_block_size + CONFIG_SYS_MMC_BASE; - - mmc_read(src, (uchar *) dst, blkcnt * mmc_block_size); - return blkcnt; -} - -#ifdef __GNUC__ -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) -#else -#define likely(x) (x) -#define unlikely(x) (x) -#endif - -#define UNSTUFF_BITS(resp,start,size) \ - ({ \ - const int __size = size; \ - const uint32_t __mask = (__size < 32 ? 1 << __size : 0) - 1; \ - const int32_t __off = 3 - ((start) / 32); \ - const int32_t __shft = (start) & 31; \ - uint32_t __res; \ - \ - __res = resp[__off] >> __shft; \ - if (__size + __shft > 32) \ - __res |= resp[__off-1] << ((32 - __shft) % 32); \ - __res & __mask; \ - }) - -/* - * Given the decoded CSD structure, decode the raw CID to our CID structure. - */ -static void mmc_decode_cid(uint32_t * resp) -{ - if (IF_TYPE_SD == mmc_dev.if_type) { - /* - * SD doesn't currently have a version field so we will - * have to assume we can parse this. - */ - sprintf((char *)mmc_dev.vendor, - "Man %02x OEM %c%c \"%c%c%c%c%c\" Date %02u/%04u", - UNSTUFF_BITS(resp, 120, 8), UNSTUFF_BITS(resp, 112, 8), - UNSTUFF_BITS(resp, 104, 8), UNSTUFF_BITS(resp, 96, 8), - UNSTUFF_BITS(resp, 88, 8), UNSTUFF_BITS(resp, 80, 8), - UNSTUFF_BITS(resp, 72, 8), UNSTUFF_BITS(resp, 64, 8), - UNSTUFF_BITS(resp, 8, 4), UNSTUFF_BITS(resp, 12, - 8) + 2000); - sprintf((char *)mmc_dev.revision, "%d.%d", - UNSTUFF_BITS(resp, 60, 4), UNSTUFF_BITS(resp, 56, 4)); - sprintf((char *)mmc_dev.product, "%u", - UNSTUFF_BITS(resp, 24, 32)); - } else { - /* - * The selection of the format here is based upon published - * specs from sandisk and from what people have reported. - */ - switch (spec_ver) { - case 0: /* MMC v1.0 - v1.2 */ - case 1: /* MMC v1.4 */ - sprintf((char *)mmc_dev.vendor, - "Man %02x%02x%02x \"%c%c%c%c%c%c%c\" Date %02u/%04u", - UNSTUFF_BITS(resp, 120, 8), UNSTUFF_BITS(resp, - 112, - 8), - UNSTUFF_BITS(resp, 104, 8), UNSTUFF_BITS(resp, - 96, 8), - UNSTUFF_BITS(resp, 88, 8), UNSTUFF_BITS(resp, - 80, 8), - UNSTUFF_BITS(resp, 72, 8), UNSTUFF_BITS(resp, - 64, 8), - UNSTUFF_BITS(resp, 56, 8), UNSTUFF_BITS(resp, - 48, 8), - UNSTUFF_BITS(resp, 12, 4), UNSTUFF_BITS(resp, 8, - 4) + - 1997); - sprintf((char *)mmc_dev.revision, "%d.%d", - UNSTUFF_BITS(resp, 44, 4), UNSTUFF_BITS(resp, - 40, 4)); - sprintf((char *)mmc_dev.product, "%u", - UNSTUFF_BITS(resp, 16, 24)); - break; - - case 2: /* MMC v2.0 - v2.2 */ - case 3: /* MMC v3.1 - v3.3 */ - case 4: /* MMC v4 */ - sprintf((char *)mmc_dev.vendor, - "Man %02x OEM %04x \"%c%c%c%c%c%c\" Date %02u/%04u", - UNSTUFF_BITS(resp, 120, 8), UNSTUFF_BITS(resp, - 104, - 16), - UNSTUFF_BITS(resp, 96, 8), UNSTUFF_BITS(resp, - 88, 8), - UNSTUFF_BITS(resp, 80, 8), UNSTUFF_BITS(resp, - 72, 8), - UNSTUFF_BITS(resp, 64, 8), UNSTUFF_BITS(resp, - 56, 8), - UNSTUFF_BITS(resp, 12, 4), UNSTUFF_BITS(resp, 8, - 4) + - 1997); - sprintf((char *)mmc_dev.product, "%u", - UNSTUFF_BITS(resp, 16, 32)); - sprintf((char *)mmc_dev.revision, "N/A"); - break; - - default: - printf("MMC card has unknown MMCA version %d\n", - spec_ver); - break; - } - } - printf("%s card.\nVendor: %s\nProduct: %s\nRevision: %s\n", - (IF_TYPE_SD == mmc_dev.if_type) ? "SD" : "MMC", mmc_dev.vendor, - mmc_dev.product, mmc_dev.revision); -} - -/* - * Given a 128-bit response, decode to our card CSD structure. - */ -static void mmc_decode_csd(uint32_t * resp) -{ - unsigned int mult, csd_struct; - - if (IF_TYPE_SD == mmc_dev.if_type) { - csd_struct = UNSTUFF_BITS(resp, 126, 2); - if (csd_struct != 0) { - printf("SD: unrecognised CSD structure version %d\n", - csd_struct); - return; - } - } else { - /* - * We only understand CSD structure v1.1 and v1.2. - * v1.2 has extra information in bits 15, 11 and 10. - */ - csd_struct = UNSTUFF_BITS(resp, 126, 2); - if (csd_struct != 1 && csd_struct != 2) { - printf("MMC: unrecognised CSD structure version %d\n", - csd_struct); - return; - } - - spec_ver = UNSTUFF_BITS(resp, 122, 4); - mmc_dev.if_type = IF_TYPE_MMC; - } - - mult = 1 << (UNSTUFF_BITS(resp, 47, 3) + 2); - mmc_dev.lba = (1 + UNSTUFF_BITS(resp, 62, 12)) * mult; - mmc_dev.blksz = 1 << UNSTUFF_BITS(resp, 80, 4); - - /* FIXME: The following just makes assumes that's the partition type -- should really read it */ - mmc_dev.part_type = PART_TYPE_DOS; - mmc_dev.dev = 0; - mmc_dev.lun = 0; - mmc_dev.type = DEV_TYPE_HARDDISK; - mmc_dev.removable = 0; - mmc_dev.block_read = mmc_bread; - - printf("Detected: %lu blocks of %lu bytes (%luMB) ", - mmc_dev.lba, - mmc_dev.blksz, - mmc_dev.lba * mmc_dev.blksz / (1024 * 1024)); -} - -int -/****************************************************/ -mmc_legacy_init(int verbose) -/****************************************************/ -{ - int retries, rc = -ENODEV; - uint32_t cid_resp[4]; - uint32_t *resp; - uint16_t rca = 0; - - /* Reset device interface type */ - mmc_dev.if_type = IF_TYPE_UNKNOWN; - -#if defined (CONFIG_LUBBOCK) || (defined (CONFIG_GUMSTIX) && !defined(CONFIG_PXA27X)) - set_GPIO_mode(GPIO6_MMCCLK_MD); - set_GPIO_mode(GPIO8_MMCCS0_MD); -#endif - CKEN |= CKEN12_MMC; /* enable MMC unit clock */ - - MMC_CLKRT = MMC_CLKRT_0_3125MHZ; - MMC_RESTO = MMC_RES_TO_MAX; - MMC_SPI = MMC_SPI_DISABLE; - - /* reset */ - mmc_cmd(MMC_CMD_GO_IDLE_STATE, 0, 0, MMC_CMDAT_INIT | MMC_CMDAT_R0); - udelay(200000); - retries = 3; - while (retries--) { - resp = mmc_cmd(MMC_CMD_APP_CMD, 0, 0, MMC_CMDAT_R1); - if (!(resp[0] & 0x00000020)) { /* Card does not support APP_CMD */ - debug("Card does not support APP_CMD\n"); - break; - } - - /* Select 3.2-3.3V and 3.3-3.4V */ - resp = mmc_cmd(SD_CMD_APP_SEND_OP_COND, 0x0030, 0x0000, - MMC_CMDAT_R3 | (retries < 2 ? 0 - : MMC_CMDAT_INIT)); - if (resp[0] & 0x80000000) { - mmc_dev.if_type = IF_TYPE_SD; - debug("Detected SD card\n"); - break; - } -#ifdef CONFIG_PXA27X - udelay(10000); -#else - udelay(200000); -#endif - } - - if (retries <= 0 || !(IF_TYPE_SD == mmc_dev.if_type)) { - debug("Failed to detect SD Card, trying MMC\n"); - resp = - mmc_cmd(MMC_CMD_SEND_OP_COND, 0x00ff, 0x8000, MMC_CMDAT_R3); - - retries = 10; - while (retries-- && resp && !(resp[0] & 0x80000000)) { -#ifdef CONFIG_PXA27X - udelay(10000); -#else - udelay(200000); -#endif - resp = - mmc_cmd(MMC_CMD_SEND_OP_COND, 0x00ff, 0x8000, - MMC_CMDAT_R3); - } - } - - /* try to get card id */ - resp = - mmc_cmd(MMC_CMD_ALL_SEND_CID, 0, 0, MMC_CMDAT_R2 | MMC_CMDAT_BUSY); - if (resp) { - memcpy(cid_resp, resp, sizeof(cid_resp)); - - /* MMC exists, get CSD too */ - resp = mmc_cmd(MMC_CMD_SET_RELATIVE_ADDR, 0, 0, MMC_CMDAT_R1); - if (IF_TYPE_SD == mmc_dev.if_type) - rca = ((resp[0] & 0xffff0000) >> 16); - resp = mmc_cmd(MMC_CMD_SEND_CSD, rca, 0, MMC_CMDAT_R2); - if (resp) { - mmc_decode_csd(resp); - rc = 0; - mmc_ready = 1; - } - - mmc_decode_cid(cid_resp); - } - - MMC_CLKRT = 0; /* 20 MHz */ - resp = mmc_cmd(MMC_CMD_SELECT_CARD, rca, 0, MMC_CMDAT_R1); - -#ifdef CONFIG_PXA27X - if (IF_TYPE_SD == mmc_dev.if_type) { - resp = mmc_cmd(MMC_CMD_APP_CMD, rca, 0, MMC_CMDAT_R1); - resp = mmc_cmd(SD_CMD_APP_SET_BUS_WIDTH, 0, 2, MMC_CMDAT_R1); - wide = MMC_CMDAT_SD_4DAT; - } -#endif - - fat_register_device(&mmc_dev, 1); /* partitions start counting with 1 */ - - return rc; -} - -#endif /* CONFIG_MMC */ diff --git a/cpu/pxa/mmc.h b/cpu/pxa/mmc.h deleted file mode 100644 index 6fa4268..0000000 --- a/cpu/pxa/mmc.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * linux/drivers/mmc/mmc_pxa.h - * - * Author: Vladimir Shebordaev, Igor Oblakov - * Copyright: MontaVista Software Inc. - * - * $Id: mmc_pxa.h,v 0.3.1.6 2002/09/25 19:25:48 ted Exp ted $ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __MMC_PXA_P_H__ -#define __MMC_PXA_P_H__ - -/* PXA-250 MMC controller registers */ - -/* MMC_STRPCL */ -#define MMC_STRPCL_STOP_CLK (0x0001UL) -#define MMC_STRPCL_START_CLK (0x0002UL) - -/* MMC_STAT */ -#define MMC_STAT_END_CMD_RES (0x0001UL << 13) -#define MMC_STAT_PRG_DONE (0x0001UL << 12) -#define MMC_STAT_DATA_TRAN_DONE (0x0001UL << 11) -#define MMC_STAT_CLK_EN (0x0001UL << 8) -#define MMC_STAT_RECV_FIFO_FULL (0x0001UL << 7) -#define MMC_STAT_XMIT_FIFO_EMPTY (0x0001UL << 6) -#define MMC_STAT_RES_CRC_ERROR (0x0001UL << 5) -#define MMC_STAT_SPI_READ_ERROR_TOKEN (0x0001UL << 4) -#define MMC_STAT_CRC_READ_ERROR (0x0001UL << 3) -#define MMC_STAT_CRC_WRITE_ERROR (0x0001UL << 2) -#define MMC_STAT_TIME_OUT_RESPONSE (0x0001UL << 1) -#define MMC_STAT_READ_TIME_OUT (0x0001UL) - -#define MMC_STAT_ERRORS (MMC_STAT_RES_CRC_ERROR|MMC_STAT_SPI_READ_ERROR_TOKEN\ - |MMC_STAT_CRC_READ_ERROR|MMC_STAT_TIME_OUT_RESPONSE\ - |MMC_STAT_READ_TIME_OUT|MMC_STAT_CRC_WRITE_ERROR) - -/* MMC_CLKRT */ -#define MMC_CLKRT_20MHZ (0x0000UL) -#define MMC_CLKRT_10MHZ (0x0001UL) -#define MMC_CLKRT_5MHZ (0x0002UL) -#define MMC_CLKRT_2_5MHZ (0x0003UL) -#define MMC_CLKRT_1_25MHZ (0x0004UL) -#define MMC_CLKRT_0_625MHZ (0x0005UL) -#define MMC_CLKRT_0_3125MHZ (0x0006UL) - -/* MMC_SPI */ -#define MMC_SPI_DISABLE (0x00UL) -#define MMC_SPI_EN (0x01UL) -#define MMC_SPI_CS_EN (0x01UL << 2) -#define MMC_SPI_CS_ADDRESS (0x01UL << 3) -#define MMC_SPI_CRC_ON (0x01UL << 1) - -/* MMC_CMDAT */ -#define MMC_CMDAT_SD_4DAT (0x0001UL << 8) -#define MMC_CMDAT_MMC_DMA_EN (0x0001UL << 7) -#define MMC_CMDAT_INIT (0x0001UL << 6) -#define MMC_CMDAT_BUSY (0x0001UL << 5) -#define MMC_CMDAT_BCR (0x0003UL << 5) -#define MMC_CMDAT_STREAM (0x0001UL << 4) -#define MMC_CMDAT_BLOCK (0x0000UL << 4) -#define MMC_CMDAT_WRITE (0x0001UL << 3) -#define MMC_CMDAT_READ (0x0000UL << 3) -#define MMC_CMDAT_DATA_EN (0x0001UL << 2) -#define MMC_CMDAT_R0 (0) -#define MMC_CMDAT_R1 (0x0001UL) -#define MMC_CMDAT_R2 (0x0002UL) -#define MMC_CMDAT_R3 (0x0003UL) - -/* MMC_RESTO */ -#define MMC_RES_TO_MAX (0x007fUL) /* [6:0] */ - -/* MMC_RDTO */ -#define MMC_READ_TO_MAX (0x0ffffUL) /* [15:0] */ - -/* MMC_BLKLEN */ -#define MMC_BLK_LEN_MAX (0x03ffUL) /* [9:0] */ - -/* MMC_PRTBUF */ -#define MMC_PRTBUF_BUF_PART_FULL (0x01UL) -#define MMC_PRTBUF_BUF_FULL (0x00UL ) - -/* MMC_I_MASK */ -#define MMC_I_MASK_TXFIFO_WR_REQ (0x01UL << 6) -#define MMC_I_MASK_RXFIFO_RD_REQ (0x01UL << 5) -#define MMC_I_MASK_CLK_IS_OFF (0x01UL << 4) -#define MMC_I_MASK_STOP_CMD (0x01UL << 3) -#define MMC_I_MASK_END_CMD_RES (0x01UL << 2) -#define MMC_I_MASK_PRG_DONE (0x01UL << 1) -#define MMC_I_MASK_DATA_TRAN_DONE (0x01UL) -#define MMC_I_MASK_ALL (0x07fUL) - - -/* MMC_I_REG */ -#define MMC_I_REG_TXFIFO_WR_REQ (0x01UL << 6) -#define MMC_I_REG_RXFIFO_RD_REQ (0x01UL << 5) -#define MMC_I_REG_CLK_IS_OFF (0x01UL << 4) -#define MMC_I_REG_STOP_CMD (0x01UL << 3) -#define MMC_I_REG_END_CMD_RES (0x01UL << 2) -#define MMC_I_REG_PRG_DONE (0x01UL << 1) -#define MMC_I_REG_DATA_TRAN_DONE (0x01UL) -#define MMC_I_REG_ALL (0x007fUL) - -/* MMC_CMD */ -#define MMC_CMD_INDEX_MAX (0x006fUL) /* [5:0] */ -#define CMD(x) (x) - -#define MMC_DEFAULT_RCA 1 - -#define MMC_BLOCK_SIZE 512 -#define MMC_MAX_BLOCK_SIZE 512 - -#define MMC_R1_IDLE_STATE 0x01 -#define MMC_R1_ERASE_STATE 0x02 -#define MMC_R1_ILLEGAL_CMD 0x04 -#define MMC_R1_COM_CRC_ERR 0x08 -#define MMC_R1_ERASE_SEQ_ERR 0x01 -#define MMC_R1_ADDR_ERR 0x02 -#define MMC_R1_PARAM_ERR 0x04 - -#define MMC_R1B_WP_ERASE_SKIP 0x0002 -#define MMC_R1B_ERR 0x0004 -#define MMC_R1B_CC_ERR 0x0008 -#define MMC_R1B_CARD_ECC_ERR 0x0010 -#define MMC_R1B_WP_VIOLATION 0x0020 -#define MMC_R1B_ERASE_PARAM 0x0040 -#define MMC_R1B_OOR 0x0080 -#define MMC_R1B_IDLE_STATE 0x0100 -#define MMC_R1B_ERASE_RESET 0x0200 -#define MMC_R1B_ILLEGAL_CMD 0x0400 -#define MMC_R1B_COM_CRC_ERR 0x0800 -#define MMC_R1B_ERASE_SEQ_ERR 0x1000 -#define MMC_R1B_ADDR_ERR 0x2000 -#define MMC_R1B_PARAM_ERR 0x4000 - -#endif /* __MMC_PXA_P_H__ */ |