From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 04/14] atmel_mci: use linux regs define
Date: Fri, 25 Jan 2013 16:17:37 +0100 [thread overview]
Message-ID: <1359127067-30079-4-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1359127067-30079-1-git-send-email-plagnioj@jcrosoft.com>
to simplify sync and share code
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/mci/at91_mci.h | 121 ------------------------------
drivers/mci/atmel-mci-regs.h | 166 ++++++++++++++++++++++++++++++++++++++++++
drivers/mci/atmel_mci.c | 121 ++++++++++++++----------------
3 files changed, 221 insertions(+), 187 deletions(-)
delete mode 100644 drivers/mci/at91_mci.h
create mode 100644 drivers/mci/atmel-mci-regs.h
diff --git a/drivers/mci/at91_mci.h b/drivers/mci/at91_mci.h
deleted file mode 100644
index 4025aeb..0000000
--- a/drivers/mci/at91_mci.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_mci.h]
- *
- * Copyright (C) 2005 Ivan Kokshaysky
- * Copyright (C) SAN People
- *
- * MultiMedia Card Interface (MCI) registers.
- * Based on AT91RM9200 datasheet revision F.
- *
- * 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.
- */
-
-#ifndef AT91_MCI_H
-#define AT91_MCI_H
-
-#define AT91_MCI_CR 0x00 /* Control Register */
-#define AT91_MCI_MCIEN (1 << 0) /* Multi-Media Interface Enable */
-#define AT91_MCI_MCIDIS (1 << 1) /* Multi-Media Interface Disable */
-#define AT91_MCI_PWSEN (1 << 2) /* Power Save Mode Enable */
-#define AT91_MCI_PWSDIS (1 << 3) /* Power Save Mode Disable */
-#define AT91_MCI_SWRST (1 << 7) /* Software Reset */
-
-#define AT91_MCI_MR 0x04 /* Mode Register */
-#define AT91_MCI_CLKDIV (0xff << 0) /* Clock Divider */
-#define AT91_MCI_PWSDIV (7 << 8) /* Power Saving Divider */
-#define AT91_MCI_RDPROOF (1 << 11) /* Read Proof Enable [SAM926[03] only] */
-#define AT91_MCI_WRPROOF (1 << 12) /* Write Proof Enable [SAM926[03] only] */
-#define AT91_MCI_PDCFBYTE (1 << 13) /* PDC Force Byte Transfer [SAM926[03] only] */
-#define AT91_MCI_PDCPADV (1 << 14) /* PDC Padding Value */
-#define AT91_MCI_PDCMODE (1 << 15) /* PDC-orientated Mode */
-#define AT91_MCI_BLKLEN (0xfff << 18) /* Data Block Length */
-
-#define AT91_MCI_DTOR 0x08 /* Data Timeout Register */
-#define AT91_MCI_DTOCYC (0xf << 0) /* Data Timeout Cycle Number */
-#define AT91_MCI_DTOMUL (7 << 4) /* Data Timeout Multiplier */
-#define AT91_MCI_DTOMUL_1 (0 << 4)
-#define AT91_MCI_DTOMUL_16 (1 << 4)
-#define AT91_MCI_DTOMUL_128 (2 << 4)
-#define AT91_MCI_DTOMUL_256 (3 << 4)
-#define AT91_MCI_DTOMUL_1K (4 << 4)
-#define AT91_MCI_DTOMUL_4K (5 << 4)
-#define AT91_MCI_DTOMUL_64K (6 << 4)
-#define AT91_MCI_DTOMUL_1M (7 << 4)
-
-#define AT91_MCI_SDCR 0x0c /* SD Card Register */
-#define AT91_MCI_SDCSEL (3 << 0) /* SD Card Selector */
-#define AT91_MCI_SDCBUS (3 << 6) /* 1-bit, 4-bit, or 8-bit bus */
-#define AT91_MCI_SDCBUS_1BIT (0 << 6) /* 1-bit bus */
-#define AT91_MCI_SDCBUS_4BIT (2 << 6) /* 4-bit bus */
-#define AT91_MCI_SDCBUS_8BIT (3 << 6) /* 8-bit bus */
-
-#define AT91_MCI_ARGR 0x10 /* Argument Register */
-
-#define AT91_MCI_CMDR 0x14 /* Command Register */
-#define AT91_MCI_CMDNB (0x3f << 0) /* Command Number */
-#define AT91_MCI_RSPTYP (3 << 6) /* Response Type */
-#define AT91_MCI_RSPTYP_NONE (0 << 6)
-#define AT91_MCI_RSPTYP_48 (1 << 6)
-#define AT91_MCI_RSPTYP_136 (2 << 6)
-#define AT91_MCI_RSPTYP_R1B (3 << 6)
-#define AT91_MCI_SPCMD (7 << 8) /* Special Command */
-#define AT91_MCI_SPCMD_NONE (0 << 8)
-#define AT91_MCI_SPCMD_INIT (1 << 8)
-#define AT91_MCI_SPCMD_SYNC (2 << 8)
-#define AT91_MCI_SPCMD_ICMD (4 << 8)
-#define AT91_MCI_SPCMD_IRESP (5 << 8)
-#define AT91_MCI_OPDCMD (1 << 11) /* Open Drain Command */
-#define AT91_MCI_MAXLAT (1 << 12) /* Max Latency for Command to Response */
-#define AT91_MCI_TRCMD (3 << 16) /* Transfer Command */
-#define AT91_MCI_TRCMD_NONE (0 << 16)
-#define AT91_MCI_TRCMD_START (1 << 16)
-#define AT91_MCI_TRCMD_STOP (2 << 16)
-#define AT91_MCI_TRDIR (1 << 18) /* Transfer Direction */
-#define AT91_MCI_TRDIR_RX (1 << 18) /* Read Transfer Direction */
-#define AT91_MCI_TRDIR_TX (0 << 18) /* Write Transfer Direction */
-#define AT91_MCI_TRTYP (3 << 19) /* Transfer Type */
-#define AT91_MCI_TRTYP_BLOCK (0 << 19)
-#define AT91_MCI_TRTYP_MULTIPLE (1 << 19)
-#define AT91_MCI_TRTYP_STREAM (2 << 19)
-#define AT91_MCI_TRTYP_SDIO_BYTE (4 << 19)
-#define AT91_MCI_TRTYP_SDIO_BLOCK (5 << 19)
-
-#define AT91_MCI_BLKR 0x18 /* Block Register */
-#define AT91_MCI_BLKR_BCNT(n) ((0xffff & (n)) << 0) /* Block count */
-#define AT91_MCI_BLKR_BLKLEN(n) ((0xffff & (n)) << 16) /* Block length */
-
-#define AT91_MCI_RSPR(n) (0x20 + ((n) * 4)) /* Response Registers 0-3 */
-#define AT91_MCI_RDR 0x30 /* Receive Data Register */
-#define AT91_MCI_TDR 0x34 /* Transmit Data Register */
-
-#define AT91_MCI_SR 0x40 /* Status Register */
-#define AT91_MCI_CMDRDY (1 << 0) /* Command Ready */
-#define AT91_MCI_RXRDY (1 << 1) /* Receiver Ready */
-#define AT91_MCI_TXRDY (1 << 2) /* Transmit Ready */
-#define AT91_MCI_BLKE (1 << 3) /* Data Block Ended */
-#define AT91_MCI_DTIP (1 << 4) /* Data Transfer in Progress */
-#define AT91_MCI_NOTBUSY (1 << 5) /* Data Not Busy */
-#define AT91_MCI_ENDRX (1 << 6) /* End of RX Buffer */
-#define AT91_MCI_ENDTX (1 << 7) /* End fo TX Buffer */
-#define AT91_MCI_SDIOIRQA (1 << 8) /* SDIO Interrupt for Slot A */
-#define AT91_MCI_SDIOIRQB (1 << 9) /* SDIO Interrupt for Slot B */
-#define AT91_MCI_RXBUFF (1 << 14) /* RX Buffer Full */
-#define AT91_MCI_TXBUFE (1 << 15) /* TX Buffer Empty */
-#define AT91_MCI_RINDE (1 << 16) /* Response Index Error */
-#define AT91_MCI_RDIRE (1 << 17) /* Response Direction Error */
-#define AT91_MCI_RCRCE (1 << 18) /* Response CRC Error */
-#define AT91_MCI_RENDE (1 << 19) /* Response End Bit Error */
-#define AT91_MCI_RTOE (1 << 20) /* Response Time-out Error */
-#define AT91_MCI_DCRCE (1 << 21) /* Data CRC Error */
-#define AT91_MCI_DTOE (1 << 22) /* Data Time-out Error */
-#define AT91_MCI_OVRE (1 << 30) /* Overrun */
-#define AT91_MCI_UNRE (1 << 31) /* Underrun */
-
-#define AT91_MCI_IER 0x44 /* Interrupt Enable Register */
-#define AT91_MCI_IDR 0x48 /* Interrupt Disable Register */
-#define AT91_MCI_IMR 0x4c /* Interrupt Mask Register */
-
-#endif
diff --git a/drivers/mci/atmel-mci-regs.h b/drivers/mci/atmel-mci-regs.h
new file mode 100644
index 0000000..af1dba0
--- /dev/null
+++ b/drivers/mci/atmel-mci-regs.h
@@ -0,0 +1,166 @@
+/*
+ * Atmel MultiMedia Card Interface driver
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * 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.
+ */
+
+/*
+ * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors
+ * Registers and bitfields marked with [2] are only available in MCI2
+ */
+
+#ifndef __DRIVERS_MMC_ATMEL_MCI_H__
+#define __DRIVERS_MMC_ATMEL_MCI_H__
+
+/* MCI Register Definitions */
+#define ATMCI_CR 0x0000 /* Control */
+# define ATMCI_CR_MCIEN ( 1 << 0) /* MCI Enable */
+# define ATMCI_CR_MCIDIS ( 1 << 1) /* MCI Disable */
+# define ATMCI_CR_PWSEN ( 1 << 2) /* Power Save Enable */
+# define ATMCI_CR_PWSDIS ( 1 << 3) /* Power Save Disable */
+# define ATMCI_CR_SWRST ( 1 << 7) /* Software Reset */
+#define ATMCI_MR 0x0004 /* Mode */
+# define ATMCI_MR_CLKDIV(x) ((x) << 0) /* Clock Divider */
+# define ATMCI_MR_PWSDIV(x) ((x) << 8) /* Power Saving Divider */
+# define ATMCI_MR_RDPROOF ( 1 << 11) /* Read Proof */
+# define ATMCI_MR_WRPROOF ( 1 << 12) /* Write Proof */
+# define ATMCI_MR_PDCFBYTE ( 1 << 13) /* Force Byte Transfer */
+# define ATMCI_MR_PDCPADV ( 1 << 14) /* Padding Value */
+# define ATMCI_MR_PDCMODE ( 1 << 15) /* PDC-oriented Mode */
+# define ATMCI_MR_CLKODD(x) ((x) << 16) /* LSB of Clock Divider */
+#define ATMCI_DTOR 0x0008 /* Data Timeout */
+# define ATMCI_DTOCYC(x) ((x) << 0) /* Data Timeout Cycles */
+# define ATMCI_DTOMUL(x) ((x) << 4) /* Data Timeout Multiplier */
+#define ATMCI_SDCR 0x000c /* SD Card / SDIO */
+# define ATMCI_SDCSEL_SLOT_A ( 0 << 0) /* Select SD slot A */
+# define ATMCI_SDCSEL_SLOT_B ( 1 << 0) /* Select SD slot A */
+# define ATMCI_SDCSEL_MASK ( 3 << 0)
+# define ATMCI_SDCBUS_1BIT ( 0 << 6) /* 1-bit data bus */
+# define ATMCI_SDCBUS_4BIT ( 2 << 6) /* 4-bit data bus */
+# define ATMCI_SDCBUS_8BIT ( 3 << 6) /* 8-bit data bus[2] */
+# define ATMCI_SDCBUS_MASK ( 3 << 6)
+#define ATMCI_ARGR 0x0010 /* Command Argument */
+#define ATMCI_CMDR 0x0014 /* Command */
+# define ATMCI_CMDR_CMDNB_MASK (0x3f << 0) /* Command Opcode MASK */
+# define ATMCI_CMDR_CMDNB(x) ((x) << 0) /* Command Opcode */
+# define ATMCI_CMDR_RSPTYP ( 3 << 6) /* response mask */
+# define ATMCI_CMDR_RSPTYP_NONE ( 0 << 6) /* No response */
+# define ATMCI_CMDR_RSPTYP_48BIT ( 1 << 6) /* 48-bit response */
+# define ATMCI_CMDR_RSPTYP_136BIT ( 2 << 6) /* 136-bit response */
+# define ATMCI_CMDR_SPCMD_INIT ( 1 << 8) /* Initialization command */
+# define ATMCI_CMDR_SPCMD_SYNC ( 2 << 8) /* Synchronized command */
+# define ATMCI_CMDR_SPCMD_INT ( 4 << 8) /* Interrupt command */
+# define ATMCI_CMDR_SPCMD_INTRESP ( 5 << 8) /* Interrupt response */
+# define ATMCI_CMDR_OPDCMD ( 1 << 11) /* Open Drain */
+# define ATMCI_CMDR_MAXLAT_5CYC ( 0 << 12) /* Max latency 5 cycles */
+# define ATMCI_CMDR_MAXLAT_64CYC ( 1 << 12) /* Max latency 64 cycles */
+# define ATMCI_CMDR_START_XFER ( 1 << 16) /* Start data transfer */
+# define ATMCI_CMDR_STOP_XFER ( 2 << 16) /* Stop data transfer */
+# define ATMCI_CMDR_TRDIR_WRITE ( 0 << 18) /* Write data */
+# define ATMCI_CMDR_TRDIR_READ ( 1 << 18) /* Read data */
+# define ATMCI_CMDR_BLOCK ( 0 << 19) /* Single-block transfer */
+# define ATMCI_CMDR_MULTI_BLOCK ( 1 << 19) /* Multi-block transfer */
+# define ATMCI_CMDR_STREAM ( 2 << 19) /* MMC Stream transfer */
+# define ATMCI_CMDR_SDIO_BYTE ( 4 << 19) /* SDIO Byte transfer */
+# define ATMCI_CMDR_SDIO_BLOCK ( 5 << 19) /* SDIO Block transfer */
+# define ATMCI_CMDR_SDIO_SUSPEND ( 1 << 24) /* SDIO Suspend Command */
+# define ATMCI_CMDR_SDIO_RESUME ( 2 << 24) /* SDIO Resume Command */
+#define ATMCI_BLKR 0x0018 /* Block */
+# define ATMCI_BCNT(x) ((x) << 0) /* Data Block Count */
+# define ATMCI_BLKLEN(x) ((x) << 16) /* Data Block Length */
+#define ATMCI_CSTOR 0x001c /* Completion Signal Timeout[2] */
+# define ATMCI_CSTOCYC(x) ((x) << 0) /* CST cycles */
+# define ATMCI_CSTOMUL(x) ((x) << 4) /* CST multiplier */
+#define ATMCI_RSPR 0x0020 /* Response 0 */
+#define ATMCI_RSPR1 0x0024 /* Response 1 */
+#define ATMCI_RSPR2 0x0028 /* Response 2 */
+#define ATMCI_RSPR3 0x002c /* Response 3 */
+#define ATMCI_RDR 0x0030 /* Receive Data */
+#define ATMCI_TDR 0x0034 /* Transmit Data */
+#define ATMCI_SR 0x0040 /* Status */
+#define ATMCI_IER 0x0044 /* Interrupt Enable */
+#define ATMCI_IDR 0x0048 /* Interrupt Disable */
+#define ATMCI_IMR 0x004c /* Interrupt Mask */
+# define ATMCI_CMDRDY ( 1 << 0) /* Command Ready */
+# define ATMCI_RXRDY ( 1 << 1) /* Receiver Ready */
+# define ATMCI_TXRDY ( 1 << 2) /* Transmitter Ready */
+# define ATMCI_BLKE ( 1 << 3) /* Data Block Ended */
+# define ATMCI_DTIP ( 1 << 4) /* Data Transfer In Progress */
+# define ATMCI_NOTBUSY ( 1 << 5) /* Data Not Busy */
+# define ATMCI_ENDRX ( 1 << 6) /* End of RX Buffer */
+# define ATMCI_ENDTX ( 1 << 7) /* End of TX Buffer */
+# define ATMCI_SDIOIRQA ( 1 << 8) /* SDIO IRQ in slot A */
+# define ATMCI_SDIOIRQB ( 1 << 9) /* SDIO IRQ in slot B */
+# define ATMCI_SDIOWAIT ( 1 << 12) /* SDIO Read Wait Operation Status */
+# define ATMCI_CSRCV ( 1 << 13) /* CE-ATA Completion Signal Received */
+# define ATMCI_RXBUFF ( 1 << 14) /* RX Buffer Full */
+# define ATMCI_TXBUFE ( 1 << 15) /* TX Buffer Empty */
+# define ATMCI_RINDE ( 1 << 16) /* Response Index Error */
+# define ATMCI_RDIRE ( 1 << 17) /* Response Direction Error */
+# define ATMCI_RCRCE ( 1 << 18) /* Response CRC Error */
+# define ATMCI_RENDE ( 1 << 19) /* Response End Bit Error */
+# define ATMCI_RTOE ( 1 << 20) /* Response Time-Out Error */
+# define ATMCI_DCRCE ( 1 << 21) /* Data CRC Error */
+# define ATMCI_DTOE ( 1 << 22) /* Data Time-Out Error */
+# define ATMCI_CSTOE ( 1 << 23) /* Completion Signal Time-out Error */
+# define ATMCI_BLKOVRE ( 1 << 24) /* DMA Block Overrun Error */
+# define ATMCI_DMADONE ( 1 << 25) /* DMA Transfer Done */
+# define ATMCI_FIFOEMPTY ( 1 << 26) /* FIFO Empty Flag */
+# define ATMCI_XFRDONE ( 1 << 27) /* Transfer Done Flag */
+# define ATMCI_ACKRCV ( 1 << 28) /* Boot Operation Acknowledge Received */
+# define ATMCI_ACKRCVE ( 1 << 29) /* Boot Operation Acknowledge Error */
+# define ATMCI_OVRE ( 1 << 30) /* RX Overrun Error */
+# define ATMCI_UNRE ( 1 << 31) /* TX Underrun Error */
+#define ATMCI_DMA 0x0050 /* DMA Configuration[2] */
+# define ATMCI_DMA_OFFSET(x) ((x) << 0) /* DMA Write Buffer Offset */
+# define ATMCI_DMA_CHKSIZE(x) ((x) << 4) /* DMA Channel Read and Write Chunk Size */
+# define ATMCI_DMAEN ( 1 << 8) /* DMA Hardware Handshaking Enable */
+#define ATMCI_CFG 0x0054 /* Configuration[2] */
+# define ATMCI_CFG_FIFOMODE_1DATA ( 1 << 0) /* MCI Internal FIFO control mode */
+# define ATMCI_CFG_FERRCTRL_COR ( 1 << 4) /* Flow Error flag reset control mode */
+# define ATMCI_CFG_HSMODE ( 1 << 8) /* High Speed Mode */
+# define ATMCI_CFG_LSYNC ( 1 << 12) /* Synchronize on the last block */
+#define ATMCI_WPMR 0x00e4 /* Write Protection Mode[2] */
+# define ATMCI_WP_EN ( 1 << 0) /* WP Enable */
+# define ATMCI_WP_KEY (0x4d4349 << 8) /* WP Key */
+#define ATMCI_WPSR 0x00e8 /* Write Protection Status[2] */
+# define ATMCI_GET_WP_VS(x) ((x) & 0x0f)
+# define ATMCI_GET_WP_VSRC(x) (((x) >> 8) & 0xffff)
+#define ATMCI_VERSION 0x00FC /* Version */
+#define ATMCI_FIFO_APERTURE 0x0200 /* FIFO Aperture[2] */
+
+/* This is not including the FIFO Aperture on MCI2 */
+#define ATMCI_REGS_SIZE 0x100
+
+/* Register access macros */
+#define atmci_readl(port,reg) \
+ __raw_readl((port)->regs + reg)
+#define atmci_writel(port,reg,value) \
+ __raw_writel((value), (port)->regs + reg)
+
+/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */
+#ifdef CONFIG_AVR32
+# define ATMCI_PDC_CONNECTED 0
+#else
+# define ATMCI_PDC_CONNECTED 1
+#endif
+
+/*
+ * Fix sconfig's burst size according to atmel MCI. We need to convert them as:
+ * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3.
+ *
+ * This can be done by finding most significant bit set.
+ */
+static inline unsigned int atmci_convert_chksize(unsigned int maxburst)
+{
+ if (maxburst > 1)
+ return fls(maxburst) - 2;
+ else
+ return 0;
+}
+
+#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
diff --git a/drivers/mci/atmel_mci.c b/drivers/mci/atmel_mci.c
index c8af76a..21c314c 100644
--- a/drivers/mci/atmel_mci.c
+++ b/drivers/mci/atmel_mci.c
@@ -1,5 +1,5 @@
/*
- * Atmel AT91 MCI driver
+ * Atmel MCI driver
*
* Copyright (C) 2011 Hubert Feurstein <h.feurstein@gmail.com>
*
@@ -25,11 +25,11 @@
#include <linux/clk.h>
#include <linux/err.h>
-#include "at91_mci.h"
+#include "atmel-mci-regs.h"
struct atmel_mci {
struct mci_host mci;
- void __iomem *base;
+ void __iomem *regs;
struct device_d *hw_dev;
struct clk *clk;
@@ -41,32 +41,21 @@ struct atmel_mci {
#define to_mci_host(mci) container_of(mci, struct atmel_mci, mci)
-#define STATUS_ERROR_MASK (AT91_MCI_RINDE \
- | AT91_MCI_RDIRE \
- | AT91_MCI_RCRCE \
- | AT91_MCI_RENDE \
- | AT91_MCI_RTOE \
- | AT91_MCI_DCRCE \
- | AT91_MCI_DTOE \
- | AT91_MCI_OVRE \
- | AT91_MCI_UNRE)
-
-static inline u32 atmci_readl(struct atmel_mci *host, u32 offset)
-{
- return readl(host->base + offset);
-}
-
-static inline void atmci_writel(struct atmel_mci *host, u32 offset,
- u32 value)
-{
- writel(value, host->base + offset);
-}
+#define STATUS_ERROR_MASK (ATMCI_RINDE \
+ | ATMCI_RDIRE \
+ | ATMCI_RCRCE \
+ | ATMCI_RENDE \
+ | ATMCI_RTOE \
+ | ATMCI_DCRCE \
+ | ATMCI_DTOE \
+ | ATMCI_OVRE \
+ | ATMCI_UNRE)
static void atmci_ip_reset(struct atmel_mci *host)
{
- atmci_writel(host, AT91_MCI_CR, AT91_MCI_SWRST | AT91_MCI_MCIDIS);
- atmci_writel(host, AT91_MCI_DTOR, 0x7f);
- atmci_writel(host, AT91_MCI_IDR, ~0UL);
+ atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST | ATMCI_CR_MCIDIS);
+ atmci_writel(host, ATMCI_DTOR, 0x7f);
+ atmci_writel(host, ATMCI_IDR, ~0UL);
}
static void atmci_set_clk_rate(struct atmel_mci *host,
@@ -87,8 +76,8 @@ static void atmci_set_clk_rate(struct atmel_mci *host,
dev_dbg(host->hw_dev, "atmel_set_clk_rate: clkIn=%d clkIos=%d divider=%d\n",
clk_in, clk_ios, divider);
- atmci_writel(host, AT91_MCI_MR, (AT91_MCI_CLKDIV & divider)
- | AT91_MCI_RDPROOF | AT91_MCI_WRPROOF);
+ atmci_writel(host, ATMCI_MR, ATMCI_MR_CLKDIV(divider)
+ | ATMCI_MR_RDPROOF | ATMCI_MR_WRPROOF);
}
static int atmci_poll_status(struct atmel_mci *host, u32 mask)
@@ -97,12 +86,12 @@ static int atmci_poll_status(struct atmel_mci *host, u32 mask)
uint64_t start = get_time_ns();
do {
- stat = atmci_readl(host, AT91_MCI_SR);
+ stat = atmci_readl(host, ATMCI_SR);
if (stat & STATUS_ERROR_MASK)
return stat;
if (is_timeout(start, SECOND)) {
dev_err(host->hw_dev, "timeout\n");
- return AT91_MCI_RTOE | stat;
+ return ATMCI_RTOE | stat;
}
if (stat & mask)
return 0;
@@ -115,11 +104,11 @@ static int atmci_pull(struct atmel_mci *host, void *_buf, int bytes)
u32 *buf = _buf;
while (bytes > 3) {
- stat = atmci_poll_status(host, AT91_MCI_RXRDY);
+ stat = atmci_poll_status(host, ATMCI_RXRDY);
if (stat)
return stat;
- *buf++ = atmci_readl(host, AT91_MCI_RDR);
+ *buf++ = atmci_readl(host, ATMCI_RDR);
bytes -= 4;
}
@@ -136,15 +125,15 @@ static int atmci_push(struct atmel_mci *host, const void *_buf, int bytes)
const u32 *buf = _buf;
while (bytes > 3) {
- stat = atmci_poll_status(host, AT91_MCI_TXRDY);
+ stat = atmci_poll_status(host, ATMCI_TXRDY);
if (stat)
return stat;
- atmci_writel(host, AT91_MCI_TDR, *buf++);
+ atmci_writel(host, ATMCI_TDR, *buf++);
bytes -= 4;
}
- stat = atmci_poll_status(host, AT91_MCI_TXRDY);
+ stat = atmci_poll_status(host, ATMCI_TXRDY);
if (stat)
return stat;
@@ -169,7 +158,7 @@ static int atmci_transfer_data(struct atmel_mci *host)
if (stat)
return stat;
- stat = atmci_poll_status(host, AT91_MCI_NOTBUSY);
+ stat = atmci_poll_status(host, ATMCI_NOTBUSY);
if (stat)
return stat;
@@ -181,7 +170,7 @@ static int atmci_transfer_data(struct atmel_mci *host)
return stat;
host->datasize += length;
- stat = atmci_poll_status(host, AT91_MCI_NOTBUSY);
+ stat = atmci_poll_status(host, ATMCI_NOTBUSY);
if (stat)
return stat;
#endif /* CONFIG_MCI_WRITE */
@@ -201,9 +190,9 @@ static int atmci_finish_data(struct atmel_mci *host, unsigned int stat)
if (stat & STATUS_ERROR_MASK) {
dev_err(host->hw_dev, "request failed (status=0x%08x)\n", stat);
- if (stat & AT91_MCI_DCRCE)
+ if (stat & ATMCI_DCRCE)
data_error = -EILSEQ;
- else if (stat & (AT91_MCI_RTOE | AT91_MCI_DTOE))
+ else if (stat & (ATMCI_RTOE | ATMCI_DTOE))
data_error = -ETIMEDOUT;
else
data_error = -EIO;
@@ -228,8 +217,8 @@ static void atmci_setup_data(struct atmel_mci *host, struct mci_data *data)
dev_dbg(host->hw_dev, "atmel_setup_data: nob=%d blksz=%d\n",
nob, blksz);
- atmci_writel(host, AT91_MCI_BLKR, AT91_MCI_BLKR_BCNT(nob)
- | AT91_MCI_BLKR_BLKLEN(blksz));
+ atmci_writel(host, ATMCI_BLKR, ATMCI_BCNT(nob)
+ | ATMCI_BLKLEN(blksz));
host->datasize = datasize;
}
@@ -243,10 +232,10 @@ static int atmci_read_response(struct atmel_mci *host, unsigned int stat)
if (!cmd)
return 0;
- if (stat & (AT91_MCI_RTOE | AT91_MCI_DTOE)) {
+ if (stat & (ATMCI_RTOE | ATMCI_DTOE)) {
dev_err(host->hw_dev, "command/data timeout\n");
return -ETIMEDOUT;
- } else if ((stat & AT91_MCI_RCRCE) && (cmd->resp_type & MMC_RSP_CRC)) {
+ } else if ((stat & ATMCI_RCRCE) && (cmd->resp_type & MMC_RSP_CRC)) {
dev_err(host->hw_dev, "cmd crc error\n");
return -EILSEQ;
}
@@ -254,9 +243,9 @@ static int atmci_read_response(struct atmel_mci *host, unsigned int stat)
if (cmd->resp_type & MMC_RSP_PRESENT) {
if (cmd->resp_type & MMC_RSP_136) {
for (i = 0; i < 4; i++)
- resp[i] = atmci_readl(host, AT91_MCI_RSPR(0));
+ resp[i] = atmci_readl(host, ATMCI_RSPR);
} else {
- resp[0] = atmci_readl(host, AT91_MCI_RSPR(0));
+ resp[0] = atmci_readl(host, ATMCI_RSPR);
}
}
@@ -295,38 +284,38 @@ static int atmci_start_cmd(struct atmel_mci *host, struct mci_cmd *cmd,
if (host->cmd != NULL)
dev_err(host->hw_dev, "error!\n");
- if ((atmci_readl(host, AT91_MCI_SR) & AT91_MCI_CMDRDY) == 0) {
+ if ((atmci_readl(host, ATMCI_SR) & ATMCI_CMDRDY) == 0) {
dev_err(host->hw_dev, "mci not ready!\n");
return -EBUSY;
}
host->cmd = cmd;
- cmdval = AT91_MCI_CMDNB & cmd->cmdidx;
+ cmdval = ATMCI_CMDR_CMDNB_MASK & cmd->cmdidx;
switch (cmd->resp_type) {
case MMC_RSP_R1: /* short CRC, OPCODE */
case MMC_RSP_R1b:/* short CRC, OPCODE, BUSY */
- flags |= AT91_MCI_RSPTYP_48;
+ flags |= ATMCI_CMDR_RSPTYP_48BIT;
break;
case MMC_RSP_R2: /* long 136 bit + CRC */
- flags |= AT91_MCI_RSPTYP_136;
+ flags |= ATMCI_CMDR_RSPTYP_136BIT;
break;
case MMC_RSP_R3: /* short */
- flags |= AT91_MCI_RSPTYP_48;
+ flags |= ATMCI_CMDR_RSPTYP_48BIT;
break;
case MMC_RSP_NONE:
- flags |= AT91_MCI_RSPTYP_NONE;
+ flags |= ATMCI_CMDR_RSPTYP_NONE;
break;
default:
dev_err(host->hw_dev, "unhandled response type 0x%x\n",
cmd->resp_type);
return -EINVAL;
}
- cmdval |= AT91_MCI_RSPTYP & flags;
- cmdval |= cmdat & ~(AT91_MCI_CMDNB | AT91_MCI_RSPTYP);
+ cmdval |= ATMCI_CMDR_RSPTYP & flags;
+ cmdval |= cmdat & ~(ATMCI_CMDR_CMDNB_MASK | ATMCI_CMDR_RSPTYP);
- atmci_writel(host, AT91_MCI_ARGR, cmd->cmdarg);
- atmci_writel(host, AT91_MCI_CMDR, cmdval);
+ atmci_writel(host, ATMCI_ARGR, cmd->cmdarg);
+ atmci_writel(host, ATMCI_CMDR, cmdval);
return 0;
}
@@ -360,25 +349,25 @@ static void atmci_set_ios(struct mci_host *mci, struct mci_ios *ios)
switch (ios->bus_width) {
case MMC_BUS_WIDTH_4:
- atmci_writel(host, AT91_MCI_SDCR, AT91_MCI_SDCBUS_4BIT);
+ atmci_writel(host, ATMCI_SDCR, ATMCI_SDCBUS_4BIT);
break;
case MMC_BUS_WIDTH_8:
- atmci_writel(host, AT91_MCI_SDCR, AT91_MCI_SDCBUS_8BIT);
+ atmci_writel(host, ATMCI_SDCR, ATMCI_SDCBUS_8BIT);
break;
case MMC_BUS_WIDTH_1:
- atmci_writel(host, AT91_MCI_SDCR, AT91_MCI_SDCBUS_1BIT);
+ atmci_writel(host, ATMCI_SDCR, ATMCI_SDCBUS_1BIT);
break;
default:
return;
}
- atmci_writel(host, AT91_MCI_SDCR, atmci_readl(host, AT91_MCI_SDCR)
+ atmci_writel(host, ATMCI_SDCR, atmci_readl(host, ATMCI_SDCR)
| host->slot_b);
if (ios->clock) {
atmci_set_clk_rate(host, ios->clock);
- atmci_writel(host, AT91_MCI_CR, AT91_MCI_MCIEN);
+ atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN);
} else {
- atmci_writel(host, AT91_MCI_CR, AT91_MCI_MCIDIS);
+ atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIDIS);
}
return;
@@ -392,15 +381,15 @@ static int atmci_request(struct mci_host *mci, struct mci_cmd *cmd, struct mci_d
int ret;
if (cmd->resp_type != MMC_RSP_NONE)
- cmdat |= AT91_MCI_MAXLAT;
+ cmdat |= ATMCI_CMDR_MAXLAT_64CYC;
if (data) {
atmci_setup_data(host, data);
- cmdat |= AT91_MCI_TRCMD_START | AT91_MCI_TRTYP_MULTIPLE;
+ cmdat |= ATMCI_CMDR_START_XFER | ATMCI_CMDR_MULTI_BLOCK;
if (data->flags & MMC_DATA_READ)
- cmdat |= AT91_MCI_TRDIR_RX;
+ cmdat |= ATMCI_CMDR_TRDIR_READ;
}
ret = atmci_start_cmd(host, cmd, cmdat);
@@ -409,7 +398,7 @@ static int atmci_request(struct mci_host *mci, struct mci_cmd *cmd, struct mci_d
return ret;
}
- stat = atmci_poll_status(host, AT91_MCI_CMDRDY);
+ stat = atmci_poll_status(host, ATMCI_CMDRDY);
return atmci_cmd_done(host, stat);
}
@@ -462,7 +451,7 @@ static int atmci_probe(struct device_d *hw_dev)
host->mci.host_caps |= MMC_MODE_8BIT;
host->slot_b = pd->slot_b;
- host->base = dev_request_mem_region(hw_dev, 0);
+ host->regs = dev_request_mem_region(hw_dev, 0);
host->hw_dev = hw_dev;
hw_dev->priv = host;
host->clk = clk_get(hw_dev, "mci_clk");
--
1.7.10.4
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2013-01-25 15:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-25 15:14 [for master PATCH 00/14] atmel_mci: fixes and cleanup Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 01/14] atmel_mci: rename atmel_mci_host tp atmel_mci Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 02/14] atmel_mci: rename atmel_mci_readl/writel to atmci_readl/writel Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 03/14] atmel_mci: rename all function to start with atmci Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-01-25 15:17 ` [PATCH 05/14] atmel_mci: detect IP version Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 06/14] atmel_mci: version 0x5xx of the IP have a different clk div Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 07/14] atmel_mci: fix host init Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 08/14] atmel_mci: rwproof is only needed since IP version 0x200 Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 17:31 ` Sascha Hauer
2013-01-25 17:35 ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 09/14] atmel_mci: on version 0x0 we need to reset the IP at each request Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 10/14] atmel_mci: after a software timeout the IP need to be reset Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 11/14] atmel_mci: support the SD highspeed since IP version 0x300 Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 12/14] atmel_mci: update the SD/SDIO Card Register at request time Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 13/14] atmel_mci: drop board host caps Jean-Christophe PLAGNIOL-VILLARD
2013-01-25 15:17 ` [PATCH 14/14] atmel_mci: gpio: request and configure card detect Jean-Christophe PLAGNIOL-VILLARD
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1359127067-30079-4-git-send-email-plagnioj@jcrosoft.com \
--to=plagnioj@jcrosoft.com \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox