Remove Linux's mmci.h since the license is strict GPLv2

Rewrite a new header distributed under GPLv2 or later, and place it in
export/ in case other targets ship with an ARM PL180 controller

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18959 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2008-11-01 14:38:45 +00:00
parent e8753f3b25
commit 646cac0bde
3 changed files with 85 additions and 143 deletions

View file

@ -24,7 +24,7 @@
#include "config.h" /* for HAVE_MULTIVOLUME */
#include "as3525.h"
#include "mmci.h"
#include "pl180.h"
#include "panic.h"
#include "stdbool.h"
#include "ata.h"
@ -87,7 +87,7 @@ static void mci_set_clock_divider(const int drive, int divider)
if(divider > 1)
{
/* use divide logic */
clock &= ~MCI_CLK_BYPASS;
clock &= ~MCI_CLOCK_BYPASS;
/* convert divider to MMC_CLOCK logic */
divider = (divider/2) - 1;
@ -97,7 +97,7 @@ static void mci_set_clock_divider(const int drive, int divider)
else
{
/* bypass dividing logic */
clock |= MCI_CLK_BYPASS;
clock |= MCI_CLOCK_BYPASS;
divider = 0;
}
@ -110,20 +110,20 @@ static int send_cmd(const int drive, struct mmc_command *cmd)
{
int val, status;
while(MMC_STATUS(drive) & MCI_CMDACTIVE); /* useless */
while(MMC_STATUS(drive) & MCI_CMD_ACTIVE); /* useless */
if(MMC_COMMAND(drive) & MCI_CPSM_ENABLE) /* clears existing command */
if(MMC_COMMAND(drive) & MCI_COMMAND_ENABLE) /* clears existing command */
{
MMC_COMMAND(drive) = 0;
mci_delay();
}
val = cmd->cmd | MCI_CPSM_ENABLE;
val = cmd->cmd | MCI_COMMAND_ENABLE;
if(cmd->flags & MMC_RESP)
{
val |= MCI_CPSM_RESPONSE;
val |= MCI_COMMAND_RESPONSE;
if(cmd->flags & MMC_LONG_RESP)
val |= MCI_CPSM_LONGRSP;
val |= MCI_COMMAND_LONG_RESPONSE;
}
MMC_CLEAR(drive) = 0x7ff;
@ -131,7 +131,7 @@ static int send_cmd(const int drive, struct mmc_command *cmd)
MMC_ARGUMENT(drive) = (cmd->flags & MMC_ARG) ? cmd->arg : 0;
MMC_COMMAND(drive) = val;
while(MMC_STATUS(drive) & MCI_CMDACTIVE);
while(MMC_STATUS(drive) & MCI_CMD_ACTIVE);
MMC_COMMAND(drive) = 0;
MMC_ARGUMENT(drive) = ~0;
@ -141,13 +141,13 @@ static int send_cmd(const int drive, struct mmc_command *cmd)
status = MMC_STATUS(drive);
if(cmd->flags & MMC_RESP)
{
if(status & MCI_CMDTIMEOUT)
if(status & MCI_CMD_TIMEOUT)
{
if(cmd->cmd == SEND_IF_COND)
break; /* SDHC test can fail */
panicf("Response timeout");
}
else if(status & (MCI_CMDCRCFAIL|MCI_CMDRESPEND))
else if(status & (MCI_CMD_CRC_FAIL|MCI_CMD_RESP_END))
{ /* resp received */
cmd->resp[0] = MMC_RESP0(drive);
if(cmd->flags & MMC_LONG_RESP)
@ -160,7 +160,7 @@ static int send_cmd(const int drive, struct mmc_command *cmd)
}
}
else
if(status & MCI_CMDSENT)
if(status & MCI_CMD_SENT)
break;
} while(1);
@ -183,7 +183,7 @@ static void sd_init_card(const int drive)
cmd_idle.cmd = GO_IDLE_STATE;
cmd_idle.arg = 0;
cmd_idle.flags = MMC_NO_FLAGS;
if(send_cmd(drive, &cmd_idle) != MCI_CMDSENT)
if(send_cmd(drive, &cmd_idle) != MCI_CMD_SENT)
panicf("goto idle failed!");
#ifdef DEBUG
else
@ -209,7 +209,7 @@ static void sd_init_card(const int drive)
sdhc = false;
status = send_cmd(drive, &cmd_if_cond);
if(status & (MCI_CMDCRCFAIL|MCI_CMDRESPEND))
if(status & (MCI_CMD_CRC_FAIL|MCI_CMD_RESP_END))
{
if((cmd_if_cond.resp[0] & 0xFFF) == cmd_if_cond.arg)
sdhc = true;
@ -240,7 +240,7 @@ static void sd_init_card(const int drive)
#endif
/* app_cmd */
status = send_cmd(drive, &cmd_app);
if( !(status & (MCI_CMDCRCFAIL|MCI_CMDRESPEND)) ||
if( !(status & (MCI_CMD_CRC_FAIL|MCI_CMD_RESP_END)) ||
!(cmd_app.resp[0] & (1<<5)) )
{
panicf("app_cmd failed");
@ -248,7 +248,7 @@ static void sd_init_card(const int drive)
cmd_op_cond.arg = sdhc ? 0x40FF8000 : (8<<0x14); /* ocr */
status = send_cmd(drive, &cmd_op_cond);
if(!(status & (MCI_CMDCRCFAIL|MCI_CMDRESPEND)))
if(!(status & (MCI_CMD_CRC_FAIL|MCI_CMD_RESP_END)))
panicf("cmd_op_cond failed");
#ifdef DEBUG
@ -268,16 +268,16 @@ static void init_pl180_controller(const int drive)
MMC_MASK0(drive) = MMC_MASK1(drive) = 0; /* disable all interrupts */
MMC_POWER(drive) = MCI_PWR_UP | (10 /*voltage*/ << 2); /* use OF voltage */
MMC_POWER(drive) = MCI_POWER_UP|(10 /*voltage*/ << 2); /* use OF voltage */
mci_delay();
MMC_POWER(drive) |= MCI_PWR_ON;
MMC_POWER(drive) |= MCI_POWER_ON;
mci_delay();
MMC_SELECT(drive) = 0;
MMC_CLOCK(drive) = MCI_CLK_ENABLE;
MMC_CLOCK(drive) &= ~MCI_CLK_PWRSAVE;
MMC_CLOCK(drive) = MCI_CLOCK_ENABLE;
MMC_CLOCK(drive) &= ~MCI_CLOCK_POWERSAVE;
/* set MCLK divider */
mci_set_clock_divider(drive, 200);

View file

@ -1,123 +0,0 @@
/*
* linux/drivers/mmc/host/mmci.h - ARM PrimeCell MMCI PL180/1 driver
*
* Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
*
* 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.
*/
//#define MMCIPOWER 0x000
#define MCI_PWR_OFF 0x00
#define MCI_PWR_UP 0x02
#define MCI_PWR_ON 0x03
#define MCI_OD (1 << 6)
#define MCI_ROD (1 << 7)
//#define MMCICLOCK 0x004
#define MCI_CLK_ENABLE (1 << 8)
#define MCI_CLK_PWRSAVE (1 << 9)
#define MCI_CLK_BYPASS (1 << 10)
#define MCI_WIDEBUS (1 << 11)
//#define MMCIARGUMENT 0x008
//#define MMCICOMMAND 0x00c
#define MCI_CPSM_RESPONSE (1 << 6)
#define MCI_CPSM_LONGRSP (1 << 7)
#define MCI_CPSM_INTERRUPT (1 << 8)
#define MCI_CPSM_PENDING (1 << 9)
#define MCI_CPSM_ENABLE (1 << 10)
#if 0
#define MMCIRESPCMD 0x010
#define MMCIRESPONSE0 0x014
#define MMCIRESPONSE1 0x018
#define MMCIRESPONSE2 0x01c
#define MMCIRESPONSE3 0x020
#define MMCIDATATIMER 0x024
#define MMCIDATALENGTH 0x028
#define MMCIDATACTRL 0x02c
#endif
#define MCI_DPSM_ENABLE (1 << 0)
#define MCI_DPSM_DIRECTION (1 << 1)
#define MCI_DPSM_MODE (1 << 2)
#define MCI_DPSM_DMAENABLE (1 << 3)
//#define MMCIDATACNT 0x030
//#define MMCISTATUS 0x034
#define MCI_CMDCRCFAIL (1 << 0)
#define MCI_DATACRCFAIL (1 << 1)
#define MCI_CMDTIMEOUT (1 << 2)
#define MCI_DATATIMEOUT (1 << 3)
#define MCI_TXUNDERRUN (1 << 4)
#define MCI_RXOVERRUN (1 << 5)
#define MCI_CMDRESPEND (1 << 6)
#define MCI_CMDSENT (1 << 7)
#define MCI_DATAEND (1 << 8)
#define MCI_DATABLOCKEND (1 << 10)
#define MCI_CMDACTIVE (1 << 11)
#define MCI_TXACTIVE (1 << 12)
#define MCI_RXACTIVE (1 << 13)
#define MCI_TXFIFOHALFEMPTY (1 << 14)
#define MCI_RXFIFOHALFFULL (1 << 15)
#define MCI_TXFIFOFULL (1 << 16)
#define MCI_RXFIFOFULL (1 << 17)
#define MCI_TXFIFOEMPTY (1 << 18)
#define MCI_RXFIFOEMPTY (1 << 19)
#define MCI_TXDATAAVLBL (1 << 20)
#define MCI_RXDATAAVLBL (1 << 21)
//#define MMCICLEAR 0x038
#define MCI_CMDCRCFAILCLR (1 << 0)
#define MCI_DATACRCFAILCLR (1 << 1)
#define MCI_CMDTIMEOUTCLR (1 << 2)
#define MCI_DATATIMEOUTCLR (1 << 3)
#define MCI_TXUNDERRUNCLR (1 << 4)
#define MCI_RXOVERRUNCLR (1 << 5)
#define MCI_CMDRESPENDCLR (1 << 6)
#define MCI_CMDSENTCLR (1 << 7)
#define MCI_DATAENDCLR (1 << 8)
#define MCI_DATABLOCKENDCLR (1 << 10)
//#define MMCIMASK0 0x03c
#define MCI_CMDCRCFAILMASK (1 << 0)
#define MCI_DATACRCFAILMASK (1 << 1)
#define MCI_CMDTIMEOUTMASK (1 << 2)
#define MCI_DATATIMEOUTMASK (1 << 3)
#define MCI_TXUNDERRUNMASK (1 << 4)
#define MCI_RXOVERRUNMASK (1 << 5)
#define MCI_CMDRESPENDMASK (1 << 6)
#define MCI_CMDSENTMASK (1 << 7)
#define MCI_DATAENDMASK (1 << 8)
#define MCI_DATABLOCKENDMASK (1 << 10)
#define MCI_CMDACTIVEMASK (1 << 11)
#define MCI_TXACTIVEMASK (1 << 12)
#define MCI_RXACTIVEMASK (1 << 13)
#define MCI_TXFIFOHALFEMPTYMASK (1 << 14)
#define MCI_RXFIFOHALFFULLMASK (1 << 15)
#define MCI_TXFIFOFULLMASK (1 << 16)
#define MCI_RXFIFOFULLMASK (1 << 17)
#define MCI_TXFIFOEMPTYMASK (1 << 18)
#define MCI_RXFIFOEMPTYMASK (1 << 19)
#define MCI_TXDATAAVLBLMASK (1 << 20)
#define MCI_RXDATAAVLBLMASK (1 << 21)
#if 0
#define MMCIMASK1 0x040
#define MMCIFIFOCNT 0x048
#define MMCIFIFO 0x080 /* to 0x0bc */
#endif
#define MCI_IRQENABLE \
(MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
/*
* The size of the FIFO in bytes.
*/
#define MCI_FIFOSIZE (16*4)
#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
#define NR_SG 16