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* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: mmc_spi: Fix unterminated of_match_table of/sparc: fix build regression from of_device changes of/device: Replace struct of_device with struct platform_device
1321 lines
32 KiB
C
1321 lines
32 KiB
C
/*
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* m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series.
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*
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* (C) 1999-2000 Magnus Damm <damm@opensource.se>
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* (C) 2001-2002 Montavista Software, Inc.
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* <mlocke@mvista.com>
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*
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* Support for two slots by Cyclades Corporation
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* <oliver.kurth@cyclades.de>
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* Further fixes, v2.6 kernel port
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* <marcelo.tosatti@cyclades.com>
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*
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* Some fixes, additions (C) 2005-2007 Montavista Software, Inc.
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* <vbordug@ru.mvista.com>
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*
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* "The ExCA standard specifies that socket controllers should provide
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* two IO and five memory windows per socket, which can be independently
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* configured and positioned in the host address space and mapped to
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* arbitrary segments of card address space. " - David A Hinds. 1999
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*
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* This controller does _not_ meet the ExCA standard.
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*
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* m8xx pcmcia controller brief info:
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* + 8 windows (attrib, mem, i/o)
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* + up to two slots (SLOT_A and SLOT_B)
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* + inputpins, outputpins, event and mask registers.
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* - no offset register. sigh.
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*
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* Because of the lacking offset register we must map the whole card.
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* We assign each memory window PCMCIA_MEM_WIN_SIZE address space.
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* Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO
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* * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE.
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* The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE.
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* They are maximum 64KByte each...
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/fcntl.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/fsl_devices.h>
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#include <linux/bitops.h>
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#include <asm/time.h>
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#include <asm/mpc8xx.h>
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#include <asm/8xx_immap.h>
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#include <asm/irq.h>
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#include <asm/fs_pd.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/ss.h>
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#define pcmcia_info(args...) printk(KERN_INFO "m8xx_pcmcia: "args)
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#define pcmcia_error(args...) printk(KERN_ERR "m8xx_pcmcia: "args)
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static const char *version = "Version 0.06, Aug 2005";
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MODULE_LICENSE("Dual MPL/GPL");
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#if !defined(CONFIG_PCMCIA_SLOT_A) && !defined(CONFIG_PCMCIA_SLOT_B)
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/* The RPX series use SLOT_B */
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#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)
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#define CONFIG_PCMCIA_SLOT_B
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#define CONFIG_BD_IS_MHZ
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#endif
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/* The ADS board use SLOT_A */
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#ifdef CONFIG_ADS
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#define CONFIG_PCMCIA_SLOT_A
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#define CONFIG_BD_IS_MHZ
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#endif
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/* The FADS series are a mess */
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#ifdef CONFIG_FADS
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#if defined(CONFIG_MPC860T) || defined(CONFIG_MPC860) || defined(CONFIG_MPC821)
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#define CONFIG_PCMCIA_SLOT_A
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#else
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#define CONFIG_PCMCIA_SLOT_B
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#endif
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#endif
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#if defined(CONFIG_MPC885ADS)
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#define CONFIG_PCMCIA_SLOT_A
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#define PCMCIA_GLITCHY_CD
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#endif
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/* Cyclades ACS uses both slots */
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#ifdef CONFIG_PRxK
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#define CONFIG_PCMCIA_SLOT_A
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#define CONFIG_PCMCIA_SLOT_B
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#endif
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#endif /* !defined(CONFIG_PCMCIA_SLOT_A) && !defined(CONFIG_PCMCIA_SLOT_B) */
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#if defined(CONFIG_PCMCIA_SLOT_A) && defined(CONFIG_PCMCIA_SLOT_B)
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#define PCMCIA_SOCKETS_NO 2
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/* We have only 8 windows, dualsocket support will be limited. */
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#define PCMCIA_MEM_WIN_NO 2
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#define PCMCIA_IO_WIN_NO 2
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#define PCMCIA_SLOT_MSG "SLOT_A and SLOT_B"
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#elif defined(CONFIG_PCMCIA_SLOT_A) || defined(CONFIG_PCMCIA_SLOT_B)
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#define PCMCIA_SOCKETS_NO 1
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/* full support for one slot */
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#define PCMCIA_MEM_WIN_NO 5
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#define PCMCIA_IO_WIN_NO 2
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/* define _slot_ to be able to optimize macros */
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#ifdef CONFIG_PCMCIA_SLOT_A
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#define _slot_ 0
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#define PCMCIA_SLOT_MSG "SLOT_A"
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#else
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#define _slot_ 1
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#define PCMCIA_SLOT_MSG "SLOT_B"
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#endif
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#else
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#error m8xx_pcmcia: Bad configuration!
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#endif
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/* ------------------------------------------------------------------------- */
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#define PCMCIA_MEM_WIN_BASE 0xe0000000 /* base address for memory window 0 */
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#define PCMCIA_MEM_WIN_SIZE 0x04000000 /* each memory window is 64 MByte */
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#define PCMCIA_IO_WIN_BASE _IO_BASE /* base address for io window 0 */
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/* ------------------------------------------------------------------------- */
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static int pcmcia_schlvl;
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static DEFINE_SPINLOCK(events_lock);
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#define PCMCIA_SOCKET_KEY_5V 1
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#define PCMCIA_SOCKET_KEY_LV 2
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/* look up table for pgcrx registers */
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static u32 *m8xx_pgcrx[2];
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/*
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* This structure is used to address each window in the PCMCIA controller.
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*
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* Keep in mind that we assume that pcmcia_win[n+1] is mapped directly
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* after pcmcia_win[n]...
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*/
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struct pcmcia_win {
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u32 br;
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u32 or;
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};
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/*
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* For some reason the hardware guys decided to make both slots share
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* some registers.
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*
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* Could someone invent object oriented hardware ?
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*
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* The macros are used to get the right bit from the registers.
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* SLOT_A : slot = 0
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* SLOT_B : slot = 1
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*/
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#define M8XX_PCMCIA_VS1(slot) (0x80000000 >> (slot << 4))
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#define M8XX_PCMCIA_VS2(slot) (0x40000000 >> (slot << 4))
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#define M8XX_PCMCIA_VS_MASK(slot) (0xc0000000 >> (slot << 4))
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#define M8XX_PCMCIA_VS_SHIFT(slot) (30 - (slot << 4))
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#define M8XX_PCMCIA_WP(slot) (0x20000000 >> (slot << 4))
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#define M8XX_PCMCIA_CD2(slot) (0x10000000 >> (slot << 4))
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#define M8XX_PCMCIA_CD1(slot) (0x08000000 >> (slot << 4))
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#define M8XX_PCMCIA_BVD2(slot) (0x04000000 >> (slot << 4))
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#define M8XX_PCMCIA_BVD1(slot) (0x02000000 >> (slot << 4))
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#define M8XX_PCMCIA_RDY(slot) (0x01000000 >> (slot << 4))
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#define M8XX_PCMCIA_RDY_L(slot) (0x00800000 >> (slot << 4))
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#define M8XX_PCMCIA_RDY_H(slot) (0x00400000 >> (slot << 4))
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#define M8XX_PCMCIA_RDY_R(slot) (0x00200000 >> (slot << 4))
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#define M8XX_PCMCIA_RDY_F(slot) (0x00100000 >> (slot << 4))
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#define M8XX_PCMCIA_MASK(slot) (0xFFFF0000 >> (slot << 4))
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#define M8XX_PCMCIA_POR_VALID 0x00000001
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#define M8XX_PCMCIA_POR_WRPROT 0x00000002
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#define M8XX_PCMCIA_POR_ATTRMEM 0x00000010
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#define M8XX_PCMCIA_POR_IO 0x00000018
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#define M8XX_PCMCIA_POR_16BIT 0x00000040
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#define M8XX_PGCRX(slot) m8xx_pgcrx[slot]
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#define M8XX_PGCRX_CXOE 0x00000080
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#define M8XX_PGCRX_CXRESET 0x00000040
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/* we keep one lookup table per socket to check flags */
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#define PCMCIA_EVENTS_MAX 5 /* 4 max at a time + termination */
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struct event_table {
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u32 regbit;
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u32 eventbit;
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};
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static const char driver_name[] = "m8xx-pcmcia";
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struct socket_info {
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void (*handler) (void *info, u32 events);
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void *info;
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u32 slot;
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pcmconf8xx_t *pcmcia;
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u32 bus_freq;
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int hwirq;
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socket_state_t state;
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struct pccard_mem_map mem_win[PCMCIA_MEM_WIN_NO];
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struct pccard_io_map io_win[PCMCIA_IO_WIN_NO];
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struct event_table events[PCMCIA_EVENTS_MAX];
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struct pcmcia_socket socket;
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};
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static struct socket_info socket[PCMCIA_SOCKETS_NO];
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/*
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* Search this table to see if the windowsize is
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* supported...
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*/
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#define M8XX_SIZES_NO 32
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static const u32 m8xx_size_to_gray[M8XX_SIZES_NO] = {
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0x00000001, 0x00000002, 0x00000008, 0x00000004,
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0x00000080, 0x00000040, 0x00000010, 0x00000020,
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0x00008000, 0x00004000, 0x00001000, 0x00002000,
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0x00000100, 0x00000200, 0x00000800, 0x00000400,
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0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff,
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0x01000000, 0x02000000, 0xffffffff, 0x04000000,
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0x00010000, 0x00020000, 0x00080000, 0x00040000,
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0x00800000, 0x00400000, 0x00100000, 0x00200000
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};
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/* ------------------------------------------------------------------------- */
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static irqreturn_t m8xx_interrupt(int irq, void *dev);
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#define PCMCIA_BMT_LIMIT (15*4) /* Bus Monitor Timeout value */
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/* ------------------------------------------------------------------------- */
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/* board specific stuff: */
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/* voltage_set(), hardware_enable() and hardware_disable() */
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/* ------------------------------------------------------------------------- */
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/* RPX Boards from Embedded Planet */
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#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)
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/* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks.
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* SYPCR is write once only, therefore must the slowest memory be faster
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* than the bus monitor or we will get a machine check due to the bus timeout.
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*/
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#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE"
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#undef PCMCIA_BMT_LIMIT
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#define PCMCIA_BMT_LIMIT (6*8)
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static int voltage_set(int slot, int vcc, int vpp)
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{
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u32 reg = 0;
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switch (vcc) {
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case 0:
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break;
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case 33:
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reg |= BCSR1_PCVCTL4;
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break;
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case 50:
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reg |= BCSR1_PCVCTL5;
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break;
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default:
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return 1;
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}
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switch (vpp) {
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case 0:
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break;
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case 33:
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case 50:
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if (vcc == vpp)
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reg |= BCSR1_PCVCTL6;
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else
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return 1;
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break;
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case 120:
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reg |= BCSR1_PCVCTL7;
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default:
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return 1;
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}
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if (!((vcc == 50) || (vcc == 0)))
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return 1;
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/* first, turn off all power */
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out_be32(((u32 *) RPX_CSR_ADDR),
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in_be32(((u32 *) RPX_CSR_ADDR)) & ~(BCSR1_PCVCTL4 |
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BCSR1_PCVCTL5 |
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BCSR1_PCVCTL6 |
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BCSR1_PCVCTL7));
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/* enable new powersettings */
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out_be32(((u32 *) RPX_CSR_ADDR), in_be32(((u32 *) RPX_CSR_ADDR)) | reg);
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return 0;
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}
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#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
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#define hardware_enable(_slot_) /* No hardware to enable */
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#define hardware_disable(_slot_) /* No hardware to disable */
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#endif /* CONFIG_RPXCLASSIC */
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/* FADS Boards from Motorola */
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#if defined(CONFIG_FADS)
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#define PCMCIA_BOARD_MSG "FADS"
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static int voltage_set(int slot, int vcc, int vpp)
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{
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u32 reg = 0;
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switch (vcc) {
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case 0:
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break;
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case 33:
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reg |= BCSR1_PCCVCC0;
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break;
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case 50:
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reg |= BCSR1_PCCVCC1;
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break;
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default:
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return 1;
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}
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switch (vpp) {
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case 0:
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break;
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case 33:
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case 50:
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if (vcc == vpp)
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reg |= BCSR1_PCCVPP1;
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else
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return 1;
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break;
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case 120:
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if ((vcc == 33) || (vcc == 50))
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reg |= BCSR1_PCCVPP0;
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else
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return 1;
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default:
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return 1;
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}
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/* first, turn off all power */
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out_be32((u32 *) BCSR1,
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in_be32((u32 *) BCSR1) & ~(BCSR1_PCCVCC_MASK |
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BCSR1_PCCVPP_MASK));
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/* enable new powersettings */
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out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) | reg);
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return 0;
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}
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#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
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static void hardware_enable(int slot)
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{
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out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) & ~BCSR1_PCCEN);
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}
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static void hardware_disable(int slot)
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{
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out_be32((u32 *) BCSR1, in_be32((u32 *) BCSR1) | BCSR1_PCCEN);
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}
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#endif
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/* MPC885ADS Boards */
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#if defined(CONFIG_MPC885ADS)
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#define PCMCIA_BOARD_MSG "MPC885ADS"
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#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
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static inline void hardware_enable(int slot)
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{
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m8xx_pcmcia_ops.hw_ctrl(slot, 1);
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}
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static inline void hardware_disable(int slot)
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{
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m8xx_pcmcia_ops.hw_ctrl(slot, 0);
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}
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static inline int voltage_set(int slot, int vcc, int vpp)
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{
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return m8xx_pcmcia_ops.voltage_set(slot, vcc, vpp);
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}
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#endif
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/* ------------------------------------------------------------------------- */
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/* Motorola MBX860 */
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#if defined(CONFIG_MBX)
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#define PCMCIA_BOARD_MSG "MBX"
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static int voltage_set(int slot, int vcc, int vpp)
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{
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u8 reg = 0;
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switch (vcc) {
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case 0:
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break;
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case 33:
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reg |= CSR2_VCC_33;
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break;
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case 50:
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reg |= CSR2_VCC_50;
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break;
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default:
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return 1;
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}
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switch (vpp) {
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case 0:
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break;
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case 33:
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case 50:
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if (vcc == vpp)
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reg |= CSR2_VPP_VCC;
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else
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return 1;
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break;
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case 120:
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if ((vcc == 33) || (vcc == 50))
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reg |= CSR2_VPP_12;
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else
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return 1;
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default:
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return 1;
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}
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/* first, turn off all power */
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out_8((u8 *) MBX_CSR2_ADDR,
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in_8((u8 *) MBX_CSR2_ADDR) & ~(CSR2_VCC_MASK | CSR2_VPP_MASK));
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/* enable new powersettings */
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out_8((u8 *) MBX_CSR2_ADDR, in_8((u8 *) MBX_CSR2_ADDR) | reg);
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return 0;
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}
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#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
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#define hardware_enable(_slot_) /* No hardware to enable */
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#define hardware_disable(_slot_) /* No hardware to disable */
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#endif /* CONFIG_MBX */
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|
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#if defined(CONFIG_PRxK)
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#include <asm/cpld.h>
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extern volatile fpga_pc_regs *fpga_pc;
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|
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#define PCMCIA_BOARD_MSG "MPC855T"
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static int voltage_set(int slot, int vcc, int vpp)
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{
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u8 reg = 0;
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u8 regread;
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cpld_regs *ccpld = get_cpld();
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switch (vcc) {
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case 0:
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break;
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case 33:
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reg |= PCMCIA_VCC_33;
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break;
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case 50:
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reg |= PCMCIA_VCC_50;
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break;
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default:
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return 1;
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}
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|
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switch (vpp) {
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case 0:
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break;
|
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case 33:
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case 50:
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if (vcc == vpp)
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reg |= PCMCIA_VPP_VCC;
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else
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return 1;
|
|
break;
|
|
case 120:
|
|
if ((vcc == 33) || (vcc == 50))
|
|
reg |= PCMCIA_VPP_12;
|
|
else
|
|
return 1;
|
|
default:
|
|
return 1;
|
|
}
|
|
|
|
reg = reg >> (slot << 2);
|
|
regread = in_8(&ccpld->fpga_pc_ctl);
|
|
if (reg !=
|
|
(regread & ((PCMCIA_VCC_MASK | PCMCIA_VPP_MASK) >> (slot << 2)))) {
|
|
/* enable new powersettings */
|
|
regread =
|
|
regread & ~((PCMCIA_VCC_MASK | PCMCIA_VPP_MASK) >>
|
|
(slot << 2));
|
|
out_8(&ccpld->fpga_pc_ctl, reg | regread);
|
|
msleep(100);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define socket_get(_slot_) PCMCIA_SOCKET_KEY_LV
|
|
#define hardware_enable(_slot_) /* No hardware to enable */
|
|
#define hardware_disable(_slot_) /* No hardware to disable */
|
|
|
|
#endif /* CONFIG_PRxK */
|
|
|
|
static u32 pending_events[PCMCIA_SOCKETS_NO];
|
|
static DEFINE_SPINLOCK(pending_event_lock);
|
|
|
|
static irqreturn_t m8xx_interrupt(int irq, void *dev)
|
|
{
|
|
struct socket_info *s;
|
|
struct event_table *e;
|
|
unsigned int i, events, pscr, pipr, per;
|
|
pcmconf8xx_t *pcmcia = socket[0].pcmcia;
|
|
|
|
pr_debug("m8xx_pcmcia: Interrupt!\n");
|
|
/* get interrupt sources */
|
|
|
|
pscr = in_be32(&pcmcia->pcmc_pscr);
|
|
pipr = in_be32(&pcmcia->pcmc_pipr);
|
|
per = in_be32(&pcmcia->pcmc_per);
|
|
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
|
|
s = &socket[i];
|
|
e = &s->events[0];
|
|
events = 0;
|
|
|
|
while (e->regbit) {
|
|
if (pscr & e->regbit)
|
|
events |= e->eventbit;
|
|
|
|
e++;
|
|
}
|
|
|
|
/*
|
|
* report only if both card detect signals are the same
|
|
* not too nice done,
|
|
* we depend on that CD2 is the bit to the left of CD1...
|
|
*/
|
|
if (events & SS_DETECT)
|
|
if (((pipr & M8XX_PCMCIA_CD2(i)) >> 1) ^
|
|
(pipr & M8XX_PCMCIA_CD1(i))) {
|
|
events &= ~SS_DETECT;
|
|
}
|
|
#ifdef PCMCIA_GLITCHY_CD
|
|
/*
|
|
* I've experienced CD problems with my ADS board.
|
|
* We make an extra check to see if there was a
|
|
* real change of Card detection.
|
|
*/
|
|
|
|
if ((events & SS_DETECT) &&
|
|
((pipr &
|
|
(M8XX_PCMCIA_CD2(i) | M8XX_PCMCIA_CD1(i))) == 0) &&
|
|
(s->state.Vcc | s->state.Vpp)) {
|
|
events &= ~SS_DETECT;
|
|
/*printk( "CD glitch workaround - CD = 0x%08x!\n",
|
|
(pipr & (M8XX_PCMCIA_CD2(i)
|
|
| M8XX_PCMCIA_CD1(i)))); */
|
|
}
|
|
#endif
|
|
|
|
/* call the handler */
|
|
|
|
pr_debug("m8xx_pcmcia: slot %u: events = 0x%02x, pscr = 0x%08x, "
|
|
"pipr = 0x%08x\n", i, events, pscr, pipr);
|
|
|
|
if (events) {
|
|
spin_lock(&pending_event_lock);
|
|
pending_events[i] |= events;
|
|
spin_unlock(&pending_event_lock);
|
|
/*
|
|
* Turn off RDY_L bits in the PER mask on
|
|
* CD interrupt receival.
|
|
*
|
|
* They can generate bad interrupts on the
|
|
* ACS4,8,16,32. - marcelo
|
|
*/
|
|
per &= ~M8XX_PCMCIA_RDY_L(0);
|
|
per &= ~M8XX_PCMCIA_RDY_L(1);
|
|
|
|
out_be32(&pcmcia->pcmc_per, per);
|
|
|
|
if (events)
|
|
pcmcia_parse_events(&socket[i].socket, events);
|
|
}
|
|
}
|
|
|
|
/* clear the interrupt sources */
|
|
out_be32(&pcmcia->pcmc_pscr, pscr);
|
|
|
|
pr_debug("m8xx_pcmcia: Interrupt done.\n");
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static u32 m8xx_get_graycode(u32 size)
|
|
{
|
|
u32 k;
|
|
|
|
for (k = 0; k < M8XX_SIZES_NO; k++)
|
|
if (m8xx_size_to_gray[k] == size)
|
|
break;
|
|
|
|
if ((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1))
|
|
k = -1;
|
|
|
|
return k;
|
|
}
|
|
|
|
static u32 m8xx_get_speed(u32 ns, u32 is_io, u32 bus_freq)
|
|
{
|
|
u32 reg, clocks, psst, psl, psht;
|
|
|
|
if (!ns) {
|
|
|
|
/*
|
|
* We get called with IO maps setup to 0ns
|
|
* if not specified by the user.
|
|
* They should be 255ns.
|
|
*/
|
|
|
|
if (is_io)
|
|
ns = 255;
|
|
else
|
|
ns = 100; /* fast memory if 0 */
|
|
}
|
|
|
|
/*
|
|
* In PSST, PSL, PSHT fields we tell the controller
|
|
* timing parameters in CLKOUT clock cycles.
|
|
* CLKOUT is the same as GCLK2_50.
|
|
*/
|
|
|
|
/* how we want to adjust the timing - in percent */
|
|
|
|
#define ADJ 180 /* 80 % longer accesstime - to be sure */
|
|
|
|
clocks = ((bus_freq / 1000) * ns) / 1000;
|
|
clocks = (clocks * ADJ) / (100 * 1000);
|
|
if (clocks >= PCMCIA_BMT_LIMIT) {
|
|
printk("Max access time limit reached\n");
|
|
clocks = PCMCIA_BMT_LIMIT - 1;
|
|
}
|
|
|
|
psst = clocks / 7; /* setup time */
|
|
psht = clocks / 7; /* hold time */
|
|
psl = (clocks * 5) / 7; /* strobe length */
|
|
|
|
psst += clocks - (psst + psht + psl);
|
|
|
|
reg = psst << 12;
|
|
reg |= psl << 7;
|
|
reg |= psht << 16;
|
|
|
|
return reg;
|
|
}
|
|
|
|
static int m8xx_get_status(struct pcmcia_socket *sock, unsigned int *value)
|
|
{
|
|
int lsock = container_of(sock, struct socket_info, socket)->slot;
|
|
struct socket_info *s = &socket[lsock];
|
|
unsigned int pipr, reg;
|
|
pcmconf8xx_t *pcmcia = s->pcmcia;
|
|
|
|
pipr = in_be32(&pcmcia->pcmc_pipr);
|
|
|
|
*value = ((pipr & (M8XX_PCMCIA_CD1(lsock)
|
|
| M8XX_PCMCIA_CD2(lsock))) == 0) ? SS_DETECT : 0;
|
|
*value |= (pipr & M8XX_PCMCIA_WP(lsock)) ? SS_WRPROT : 0;
|
|
|
|
if (s->state.flags & SS_IOCARD)
|
|
*value |= (pipr & M8XX_PCMCIA_BVD1(lsock)) ? SS_STSCHG : 0;
|
|
else {
|
|
*value |= (pipr & M8XX_PCMCIA_RDY(lsock)) ? SS_READY : 0;
|
|
*value |= (pipr & M8XX_PCMCIA_BVD1(lsock)) ? SS_BATDEAD : 0;
|
|
*value |= (pipr & M8XX_PCMCIA_BVD2(lsock)) ? SS_BATWARN : 0;
|
|
}
|
|
|
|
if (s->state.Vcc | s->state.Vpp)
|
|
*value |= SS_POWERON;
|
|
|
|
/*
|
|
* Voltage detection:
|
|
* This driver only supports 16-Bit pc-cards.
|
|
* Cardbus is not handled here.
|
|
*
|
|
* To determine what voltage to use we must read the VS1 and VS2 pin.
|
|
* Depending on what socket type is present,
|
|
* different combinations mean different things.
|
|
*
|
|
* Card Key Socket Key VS1 VS2 Card Vcc for CIS parse
|
|
*
|
|
* 5V 5V, LV* NC NC 5V only 5V (if available)
|
|
*
|
|
* 5V 5V, LV* GND NC 5 or 3.3V as low as possible
|
|
*
|
|
* 5V 5V, LV* GND GND 5, 3.3, x.xV as low as possible
|
|
*
|
|
* LV* 5V - - shall not fit into socket
|
|
*
|
|
* LV* LV* GND NC 3.3V only 3.3V
|
|
*
|
|
* LV* LV* NC GND x.xV x.xV (if avail.)
|
|
*
|
|
* LV* LV* GND GND 3.3 or x.xV as low as possible
|
|
*
|
|
* *LV means Low Voltage
|
|
*
|
|
*
|
|
* That gives us the following table:
|
|
*
|
|
* Socket VS1 VS2 Voltage
|
|
*
|
|
* 5V NC NC 5V
|
|
* 5V NC GND none (should not be possible)
|
|
* 5V GND NC >= 3.3V
|
|
* 5V GND GND >= x.xV
|
|
*
|
|
* LV NC NC 5V (if available)
|
|
* LV NC GND x.xV (if available)
|
|
* LV GND NC 3.3V
|
|
* LV GND GND >= x.xV
|
|
*
|
|
* So, how do I determine if I have a 5V or a LV
|
|
* socket on my board? Look at the socket!
|
|
*
|
|
*
|
|
* Socket with 5V key:
|
|
* ++--------------------------------------------+
|
|
* || |
|
|
* || ||
|
|
* || ||
|
|
* | |
|
|
* +---------------------------------------------+
|
|
*
|
|
* Socket with LV key:
|
|
* ++--------------------------------------------+
|
|
* || |
|
|
* | ||
|
|
* | ||
|
|
* | |
|
|
* +---------------------------------------------+
|
|
*
|
|
*
|
|
* With other words - LV only cards does not fit
|
|
* into the 5V socket!
|
|
*/
|
|
|
|
/* read out VS1 and VS2 */
|
|
|
|
reg = (pipr & M8XX_PCMCIA_VS_MASK(lsock))
|
|
>> M8XX_PCMCIA_VS_SHIFT(lsock);
|
|
|
|
if (socket_get(lsock) == PCMCIA_SOCKET_KEY_LV) {
|
|
switch (reg) {
|
|
case 1:
|
|
*value |= SS_3VCARD;
|
|
break; /* GND, NC - 3.3V only */
|
|
case 2:
|
|
*value |= SS_XVCARD;
|
|
break; /* NC. GND - x.xV only */
|
|
};
|
|
}
|
|
|
|
pr_debug("m8xx_pcmcia: GetStatus(%d) = %#2.2x\n", lsock, *value);
|
|
return 0;
|
|
}
|
|
|
|
static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t * state)
|
|
{
|
|
int lsock = container_of(sock, struct socket_info, socket)->slot;
|
|
struct socket_info *s = &socket[lsock];
|
|
struct event_table *e;
|
|
unsigned int reg;
|
|
unsigned long flags;
|
|
pcmconf8xx_t *pcmcia = socket[0].pcmcia;
|
|
|
|
pr_debug("m8xx_pcmcia: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
|
|
"io_irq %d, csc_mask %#2.2x)\n", lsock, state->flags,
|
|
state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
|
|
|
|
/* First, set voltage - bail out if invalid */
|
|
if (voltage_set(lsock, state->Vcc, state->Vpp))
|
|
return -EINVAL;
|
|
|
|
/* Take care of reset... */
|
|
if (state->flags & SS_RESET)
|
|
out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXRESET); /* active high */
|
|
else
|
|
out_be32(M8XX_PGCRX(lsock),
|
|
in_be32(M8XX_PGCRX(lsock)) & ~M8XX_PGCRX_CXRESET);
|
|
|
|
/* ... and output enable. */
|
|
|
|
/* The CxOE signal is connected to a 74541 on the ADS.
|
|
I guess most other boards used the ADS as a reference.
|
|
I tried to control the CxOE signal with SS_OUTPUT_ENA,
|
|
but the reset signal seems connected via the 541.
|
|
If the CxOE is left high are some signals tristated and
|
|
no pullups are present -> the cards act weird.
|
|
So right now the buffers are enabled if the power is on. */
|
|
|
|
if (state->Vcc || state->Vpp)
|
|
out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) & ~M8XX_PGCRX_CXOE); /* active low */
|
|
else
|
|
out_be32(M8XX_PGCRX(lsock),
|
|
in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXOE);
|
|
|
|
/*
|
|
* We'd better turn off interrupts before
|
|
* we mess with the events-table..
|
|
*/
|
|
|
|
spin_lock_irqsave(&events_lock, flags);
|
|
|
|
/*
|
|
* Play around with the interrupt mask to be able to
|
|
* give the events the generic pcmcia driver wants us to.
|
|
*/
|
|
|
|
e = &s->events[0];
|
|
reg = 0;
|
|
|
|
if (state->csc_mask & SS_DETECT) {
|
|
e->eventbit = SS_DETECT;
|
|
reg |= e->regbit = (M8XX_PCMCIA_CD2(lsock)
|
|
| M8XX_PCMCIA_CD1(lsock));
|
|
e++;
|
|
}
|
|
if (state->flags & SS_IOCARD) {
|
|
/*
|
|
* I/O card
|
|
*/
|
|
if (state->csc_mask & SS_STSCHG) {
|
|
e->eventbit = SS_STSCHG;
|
|
reg |= e->regbit = M8XX_PCMCIA_BVD1(lsock);
|
|
e++;
|
|
}
|
|
/*
|
|
* If io_irq is non-zero we should enable irq.
|
|
*/
|
|
if (state->io_irq) {
|
|
out_be32(M8XX_PGCRX(lsock),
|
|
in_be32(M8XX_PGCRX(lsock)) |
|
|
mk_int_int_mask(s->hwirq) << 24);
|
|
/*
|
|
* Strange thing here:
|
|
* The manual does not tell us which interrupt
|
|
* the sources generate.
|
|
* Anyhow, I found out that RDY_L generates IREQLVL.
|
|
*
|
|
* We use level triggerd interrupts, and they don't
|
|
* have to be cleared in PSCR in the interrupt handler.
|
|
*/
|
|
reg |= M8XX_PCMCIA_RDY_L(lsock);
|
|
} else
|
|
out_be32(M8XX_PGCRX(lsock),
|
|
in_be32(M8XX_PGCRX(lsock)) & 0x00ffffff);
|
|
} else {
|
|
/*
|
|
* Memory card
|
|
*/
|
|
if (state->csc_mask & SS_BATDEAD) {
|
|
e->eventbit = SS_BATDEAD;
|
|
reg |= e->regbit = M8XX_PCMCIA_BVD1(lsock);
|
|
e++;
|
|
}
|
|
if (state->csc_mask & SS_BATWARN) {
|
|
e->eventbit = SS_BATWARN;
|
|
reg |= e->regbit = M8XX_PCMCIA_BVD2(lsock);
|
|
e++;
|
|
}
|
|
/* What should I trigger on - low/high,raise,fall? */
|
|
if (state->csc_mask & SS_READY) {
|
|
e->eventbit = SS_READY;
|
|
reg |= e->regbit = 0; //??
|
|
e++;
|
|
}
|
|
}
|
|
|
|
e->regbit = 0; /* terminate list */
|
|
|
|
/*
|
|
* Clear the status changed .
|
|
* Port A and Port B share the same port.
|
|
* Writing ones will clear the bits.
|
|
*/
|
|
|
|
out_be32(&pcmcia->pcmc_pscr, reg);
|
|
|
|
/*
|
|
* Write the mask.
|
|
* Port A and Port B share the same port.
|
|
* Need for read-modify-write.
|
|
* Ones will enable the interrupt.
|
|
*/
|
|
|
|
reg |=
|
|
in_be32(&pcmcia->
|
|
pcmc_per) & (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
|
|
out_be32(&pcmcia->pcmc_per, reg);
|
|
|
|
spin_unlock_irqrestore(&events_lock, flags);
|
|
|
|
/* copy the struct and modify the copy */
|
|
|
|
s->state = *state;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
|
|
{
|
|
int lsock = container_of(sock, struct socket_info, socket)->slot;
|
|
|
|
struct socket_info *s = &socket[lsock];
|
|
struct pcmcia_win *w;
|
|
unsigned int reg, winnr;
|
|
pcmconf8xx_t *pcmcia = s->pcmcia;
|
|
|
|
#define M8XX_SIZE (io->stop - io->start + 1)
|
|
#define M8XX_BASE (PCMCIA_IO_WIN_BASE + io->start)
|
|
|
|
pr_debug("m8xx_pcmcia: SetIOMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#4.4llx-%#4.4llx)\n", lsock, io->map, io->flags,
|
|
io->speed, (unsigned long long)io->start,
|
|
(unsigned long long)io->stop);
|
|
|
|
if ((io->map >= PCMCIA_IO_WIN_NO) || (io->start > 0xffff)
|
|
|| (io->stop > 0xffff) || (io->stop < io->start))
|
|
return -EINVAL;
|
|
|
|
if ((reg = m8xx_get_graycode(M8XX_SIZE)) == -1)
|
|
return -EINVAL;
|
|
|
|
if (io->flags & MAP_ACTIVE) {
|
|
|
|
pr_debug("m8xx_pcmcia: io->flags & MAP_ACTIVE\n");
|
|
|
|
winnr = (PCMCIA_MEM_WIN_NO * PCMCIA_SOCKETS_NO)
|
|
+ (lsock * PCMCIA_IO_WIN_NO) + io->map;
|
|
|
|
/* setup registers */
|
|
|
|
w = (void *)&pcmcia->pcmc_pbr0;
|
|
w += winnr;
|
|
|
|
out_be32(&w->or, 0); /* turn off window first */
|
|
out_be32(&w->br, M8XX_BASE);
|
|
|
|
reg <<= 27;
|
|
reg |= M8XX_PCMCIA_POR_IO | (lsock << 2);
|
|
|
|
reg |= m8xx_get_speed(io->speed, 1, s->bus_freq);
|
|
|
|
if (io->flags & MAP_WRPROT)
|
|
reg |= M8XX_PCMCIA_POR_WRPROT;
|
|
|
|
/*if(io->flags & (MAP_16BIT | MAP_AUTOSZ)) */
|
|
if (io->flags & MAP_16BIT)
|
|
reg |= M8XX_PCMCIA_POR_16BIT;
|
|
|
|
if (io->flags & MAP_ACTIVE)
|
|
reg |= M8XX_PCMCIA_POR_VALID;
|
|
|
|
out_be32(&w->or, reg);
|
|
|
|
pr_debug("m8xx_pcmcia: Socket %u: Mapped io window %u at "
|
|
"%#8.8x, OR = %#8.8x.\n", lsock, io->map, w->br, w->or);
|
|
} else {
|
|
/* shutdown IO window */
|
|
winnr = (PCMCIA_MEM_WIN_NO * PCMCIA_SOCKETS_NO)
|
|
+ (lsock * PCMCIA_IO_WIN_NO) + io->map;
|
|
|
|
/* setup registers */
|
|
|
|
w = (void *)&pcmcia->pcmc_pbr0;
|
|
w += winnr;
|
|
|
|
out_be32(&w->or, 0); /* turn off window */
|
|
out_be32(&w->br, 0); /* turn off base address */
|
|
|
|
pr_debug("m8xx_pcmcia: Socket %u: Unmapped io window %u at "
|
|
"%#8.8x, OR = %#8.8x.\n", lsock, io->map, w->br, w->or);
|
|
}
|
|
|
|
/* copy the struct and modify the copy */
|
|
s->io_win[io->map] = *io;
|
|
s->io_win[io->map].flags &= (MAP_WRPROT | MAP_16BIT | MAP_ACTIVE);
|
|
pr_debug("m8xx_pcmcia: SetIOMap exit\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int m8xx_set_mem_map(struct pcmcia_socket *sock,
|
|
struct pccard_mem_map *mem)
|
|
{
|
|
int lsock = container_of(sock, struct socket_info, socket)->slot;
|
|
struct socket_info *s = &socket[lsock];
|
|
struct pcmcia_win *w;
|
|
struct pccard_mem_map *old;
|
|
unsigned int reg, winnr;
|
|
pcmconf8xx_t *pcmcia = s->pcmcia;
|
|
|
|
pr_debug("m8xx_pcmcia: SetMemMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#5.5llx, %#5.5x)\n", lsock, mem->map, mem->flags,
|
|
mem->speed, (unsigned long long)mem->static_start,
|
|
mem->card_start);
|
|
|
|
if ((mem->map >= PCMCIA_MEM_WIN_NO)
|
|
// || ((mem->s) >= PCMCIA_MEM_WIN_SIZE)
|
|
|| (mem->card_start >= 0x04000000)
|
|
|| (mem->static_start & 0xfff) /* 4KByte resolution */
|
|
||(mem->card_start & 0xfff))
|
|
return -EINVAL;
|
|
|
|
if ((reg = m8xx_get_graycode(PCMCIA_MEM_WIN_SIZE)) == -1) {
|
|
printk("Cannot set size to 0x%08x.\n", PCMCIA_MEM_WIN_SIZE);
|
|
return -EINVAL;
|
|
}
|
|
reg <<= 27;
|
|
|
|
winnr = (lsock * PCMCIA_MEM_WIN_NO) + mem->map;
|
|
|
|
/* Setup the window in the pcmcia controller */
|
|
|
|
w = (void *)&pcmcia->pcmc_pbr0;
|
|
w += winnr;
|
|
|
|
reg |= lsock << 2;
|
|
|
|
reg |= m8xx_get_speed(mem->speed, 0, s->bus_freq);
|
|
|
|
if (mem->flags & MAP_ATTRIB)
|
|
reg |= M8XX_PCMCIA_POR_ATTRMEM;
|
|
|
|
if (mem->flags & MAP_WRPROT)
|
|
reg |= M8XX_PCMCIA_POR_WRPROT;
|
|
|
|
if (mem->flags & MAP_16BIT)
|
|
reg |= M8XX_PCMCIA_POR_16BIT;
|
|
|
|
if (mem->flags & MAP_ACTIVE)
|
|
reg |= M8XX_PCMCIA_POR_VALID;
|
|
|
|
out_be32(&w->or, reg);
|
|
|
|
pr_debug("m8xx_pcmcia: Socket %u: Mapped memory window %u at %#8.8x, "
|
|
"OR = %#8.8x.\n", lsock, mem->map, w->br, w->or);
|
|
|
|
if (mem->flags & MAP_ACTIVE) {
|
|
/* get the new base address */
|
|
mem->static_start = PCMCIA_MEM_WIN_BASE +
|
|
(PCMCIA_MEM_WIN_SIZE * winnr)
|
|
+ mem->card_start;
|
|
}
|
|
|
|
pr_debug("m8xx_pcmcia: SetMemMap(%d, %d, %#2.2x, %d ns, "
|
|
"%#5.5llx, %#5.5x)\n", lsock, mem->map, mem->flags,
|
|
mem->speed, (unsigned long long)mem->static_start,
|
|
mem->card_start);
|
|
|
|
/* copy the struct and modify the copy */
|
|
|
|
old = &s->mem_win[mem->map];
|
|
|
|
*old = *mem;
|
|
old->flags &= (MAP_ATTRIB | MAP_WRPROT | MAP_16BIT | MAP_ACTIVE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int m8xx_sock_init(struct pcmcia_socket *sock)
|
|
{
|
|
int i;
|
|
pccard_io_map io = { 0, 0, 0, 0, 1 };
|
|
pccard_mem_map mem = { 0, 0, 0, 0, 0, 0 };
|
|
|
|
pr_debug("m8xx_pcmcia: sock_init(%d)\n", s);
|
|
|
|
m8xx_set_socket(sock, &dead_socket);
|
|
for (i = 0; i < PCMCIA_IO_WIN_NO; i++) {
|
|
io.map = i;
|
|
m8xx_set_io_map(sock, &io);
|
|
}
|
|
for (i = 0; i < PCMCIA_MEM_WIN_NO; i++) {
|
|
mem.map = i;
|
|
m8xx_set_mem_map(sock, &mem);
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int m8xx_sock_suspend(struct pcmcia_socket *sock)
|
|
{
|
|
return m8xx_set_socket(sock, &dead_socket);
|
|
}
|
|
|
|
static struct pccard_operations m8xx_services = {
|
|
.init = m8xx_sock_init,
|
|
.suspend = m8xx_sock_suspend,
|
|
.get_status = m8xx_get_status,
|
|
.set_socket = m8xx_set_socket,
|
|
.set_io_map = m8xx_set_io_map,
|
|
.set_mem_map = m8xx_set_mem_map,
|
|
};
|
|
|
|
static int __init m8xx_probe(struct platform_device *ofdev,
|
|
const struct of_device_id *match)
|
|
{
|
|
struct pcmcia_win *w;
|
|
unsigned int i, m, hwirq;
|
|
pcmconf8xx_t *pcmcia;
|
|
int status;
|
|
struct device_node *np = ofdev->dev.of_node;
|
|
|
|
pcmcia_info("%s\n", version);
|
|
|
|
pcmcia = of_iomap(np, 0);
|
|
if (pcmcia == NULL)
|
|
return -EINVAL;
|
|
|
|
pcmcia_schlvl = irq_of_parse_and_map(np, 0);
|
|
hwirq = irq_map[pcmcia_schlvl].hwirq;
|
|
if (pcmcia_schlvl < 0) {
|
|
iounmap(pcmcia);
|
|
return -EINVAL;
|
|
}
|
|
|
|
m8xx_pgcrx[0] = &pcmcia->pcmc_pgcra;
|
|
m8xx_pgcrx[1] = &pcmcia->pcmc_pgcrb;
|
|
|
|
pcmcia_info(PCMCIA_BOARD_MSG " using " PCMCIA_SLOT_MSG
|
|
" with IRQ %u (%d). \n", pcmcia_schlvl, hwirq);
|
|
|
|
/* Configure Status change interrupt */
|
|
|
|
if (request_irq(pcmcia_schlvl, m8xx_interrupt, IRQF_SHARED,
|
|
driver_name, socket)) {
|
|
pcmcia_error("Cannot allocate IRQ %u for SCHLVL!\n",
|
|
pcmcia_schlvl);
|
|
iounmap(pcmcia);
|
|
return -1;
|
|
}
|
|
|
|
w = (void *)&pcmcia->pcmc_pbr0;
|
|
|
|
out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
|
|
clrbits32(&pcmcia->pcmc_per, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
|
|
|
|
/* connect interrupt and disable CxOE */
|
|
|
|
out_be32(M8XX_PGCRX(0),
|
|
M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));
|
|
out_be32(M8XX_PGCRX(1),
|
|
M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));
|
|
|
|
/* intialize the fixed memory windows */
|
|
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
|
|
for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
|
|
out_be32(&w->br, PCMCIA_MEM_WIN_BASE +
|
|
(PCMCIA_MEM_WIN_SIZE
|
|
* (m + i * PCMCIA_MEM_WIN_NO)));
|
|
|
|
out_be32(&w->or, 0); /* set to not valid */
|
|
|
|
w++;
|
|
}
|
|
}
|
|
|
|
/* turn off voltage */
|
|
voltage_set(0, 0, 0);
|
|
voltage_set(1, 0, 0);
|
|
|
|
/* Enable external hardware */
|
|
hardware_enable(0);
|
|
hardware_enable(1);
|
|
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
|
|
socket[i].slot = i;
|
|
socket[i].socket.owner = THIS_MODULE;
|
|
socket[i].socket.features =
|
|
SS_CAP_PCCARD | SS_CAP_MEM_ALIGN | SS_CAP_STATIC_MAP;
|
|
socket[i].socket.irq_mask = 0x000;
|
|
socket[i].socket.map_size = 0x1000;
|
|
socket[i].socket.io_offset = 0;
|
|
socket[i].socket.pci_irq = pcmcia_schlvl;
|
|
socket[i].socket.ops = &m8xx_services;
|
|
socket[i].socket.resource_ops = &pccard_iodyn_ops;
|
|
socket[i].socket.cb_dev = NULL;
|
|
socket[i].socket.dev.parent = &ofdev->dev;
|
|
socket[i].pcmcia = pcmcia;
|
|
socket[i].bus_freq = ppc_proc_freq;
|
|
socket[i].hwirq = hwirq;
|
|
|
|
}
|
|
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
|
|
status = pcmcia_register_socket(&socket[i].socket);
|
|
if (status < 0)
|
|
pcmcia_error("Socket register failed\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int m8xx_remove(struct platform_device *ofdev)
|
|
{
|
|
u32 m, i;
|
|
struct pcmcia_win *w;
|
|
pcmconf8xx_t *pcmcia = socket[0].pcmcia;
|
|
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
|
|
w = (void *)&pcmcia->pcmc_pbr0;
|
|
|
|
out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(i));
|
|
out_be32(&pcmcia->pcmc_per,
|
|
in_be32(&pcmcia->pcmc_per) & ~M8XX_PCMCIA_MASK(i));
|
|
|
|
/* turn off interrupt and disable CxOE */
|
|
out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE);
|
|
|
|
/* turn off memory windows */
|
|
for (m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
|
|
out_be32(&w->or, 0); /* set to not valid */
|
|
w++;
|
|
}
|
|
|
|
/* turn off voltage */
|
|
voltage_set(i, 0, 0);
|
|
|
|
/* disable external hardware */
|
|
hardware_disable(i);
|
|
}
|
|
for (i = 0; i < PCMCIA_SOCKETS_NO; i++)
|
|
pcmcia_unregister_socket(&socket[i].socket);
|
|
iounmap(pcmcia);
|
|
|
|
free_irq(pcmcia_schlvl, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id m8xx_pcmcia_match[] = {
|
|
{
|
|
.type = "pcmcia",
|
|
.compatible = "fsl,pq-pcmcia",
|
|
},
|
|
{},
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match);
|
|
|
|
static struct of_platform_driver m8xx_pcmcia_driver = {
|
|
.driver = {
|
|
.name = driver_name,
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = m8xx_pcmcia_match,
|
|
},
|
|
.probe = m8xx_probe,
|
|
.remove = m8xx_remove,
|
|
};
|
|
|
|
static int __init m8xx_init(void)
|
|
{
|
|
return of_register_platform_driver(&m8xx_pcmcia_driver);
|
|
}
|
|
|
|
static void __exit m8xx_exit(void)
|
|
{
|
|
of_unregister_platform_driver(&m8xx_pcmcia_driver);
|
|
}
|
|
|
|
module_init(m8xx_init);
|
|
module_exit(m8xx_exit);
|