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authorArnd Bergmann <arnd@arndb.de>2020-05-28 22:57:40 +0200
committerArnd Bergmann <arnd@arndb.de>2022-04-19 21:34:05 +0200
commitb83deaa741558babf4b8d51d34f6637ccfff1b26 (patch)
tree6d938863f8314383f9363461256530cb25879737 /drivers/pcmcia/pxa2xx_balloon3.c
parent2548e6c76ebfae09f25f941ae172535cc918c906 (diff)
downloadlinux-b83deaa741558babf4b8d51d34f6637ccfff1b26.tar.gz
ARM: pxa: move pcmcia board data into mach-pxa
The drivers/pcmcia/pxa2xx_*.c are essentially part of the
board files, but for historic reasons located in drivers/pcmcia.

Move them into the same place as the actual board file to avoid
lots of machine header inclusions.

Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/pcmcia/pxa2xx_balloon3.c')
-rw-r--r--drivers/pcmcia/pxa2xx_balloon3.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c
deleted file mode 100644
index 5fe1da7a50e4..000000000000
--- a/drivers/pcmcia/pxa2xx_balloon3.c
+++ /dev/null
@@ -1,137 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/drivers/pcmcia/pxa2xx_balloon3.c
- *
- * Balloon3 PCMCIA specific routines.
- *
- *  Author:	Nick Bane
- *  Created:	June, 2006
- *  Copyright:	Toby Churchill Ltd
- *  Derived from pxa2xx_mainstone.c, by Nico Pitre
- *
- * Various modification by Marek Vasut <marek.vasut@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/gpio.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/balloon3.h>
-
-#include <asm/mach-types.h>
-
-#include "soc_common.h"
-
-static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
-{
-	uint16_t ver;
-
-	ver = __raw_readw(BALLOON3_FPGA_VER);
-	if (ver < 0x4f08)
-		pr_warn("The FPGA code, version 0x%04x, is too old. "
-			"PCMCIA/CF support might be broken in this version!",
-			ver);
-
-	skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ;
-	skt->stat[SOC_STAT_CD].gpio = BALLOON3_GPIO_S0_CD;
-	skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD";
-	skt->stat[SOC_STAT_BVD1].irq = BALLOON3_BP_NSTSCHG_IRQ;
-	skt->stat[SOC_STAT_BVD1].name = "PCMCIA0 STSCHG";
-
-	return 0;
-}
-
-static unsigned long balloon3_pcmcia_status[2] = {
-	BALLOON3_CF_nSTSCHG_BVD1,
-	BALLOON3_CF_nSTSCHG_BVD1
-};
-
-static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
-				    struct pcmcia_state *state)
-{
-	uint16_t status;
-	int flip;
-
-	/* This actually reads the STATUS register */
-	status = __raw_readw(BALLOON3_CF_STATUS_REG);
-	flip = (status ^ balloon3_pcmcia_status[skt->nr])
-		& BALLOON3_CF_nSTSCHG_BVD1;
-	/*
-	 * Workaround for STSCHG which can't be deasserted:
-	 * We therefore disable/enable corresponding IRQs
-	 * as needed to avoid IRQ locks.
-	 */
-	if (flip) {
-		balloon3_pcmcia_status[skt->nr] = status;
-		if (status & BALLOON3_CF_nSTSCHG_BVD1)
-			enable_irq(BALLOON3_BP_NSTSCHG_IRQ);
-		else
-			disable_irq(BALLOON3_BP_NSTSCHG_IRQ);
-	}
-
-	state->ready	= !!(status & BALLOON3_CF_nIRQ);
-	state->bvd1	= !!(status & BALLOON3_CF_nSTSCHG_BVD1);
-	state->bvd2	= 0;	/* not available */
-	state->vs_3v	= 1;	/* Always true its a CF card */
-	state->vs_Xv	= 0;	/* not available */
-}
-
-static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
-				       const socket_state_t *state)
-{
-	__raw_writew(BALLOON3_CF_RESET, BALLOON3_CF_CONTROL_REG +
-			((state->flags & SS_RESET) ?
-			BALLOON3_FPGA_SETnCLR : 0));
-	return 0;
-}
-
-static struct pcmcia_low_level balloon3_pcmcia_ops = {
-	.owner			= THIS_MODULE,
-	.hw_init		= balloon3_pcmcia_hw_init,
-	.socket_state		= balloon3_pcmcia_socket_state,
-	.configure_socket	= balloon3_pcmcia_configure_socket,
-	.first			= 0,
-	.nr			= 1,
-};
-
-static struct platform_device *balloon3_pcmcia_device;
-
-static int __init balloon3_pcmcia_init(void)
-{
-	int ret;
-
-	if (!machine_is_balloon3())
-		return -ENODEV;
-
-	balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
-	if (!balloon3_pcmcia_device)
-		return -ENOMEM;
-
-	ret = platform_device_add_data(balloon3_pcmcia_device,
-			&balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops));
-
-	if (!ret)
-		ret = platform_device_add(balloon3_pcmcia_device);
-
-	if (ret)
-		platform_device_put(balloon3_pcmcia_device);
-
-	return ret;
-}
-
-static void __exit balloon3_pcmcia_exit(void)
-{
-	platform_device_unregister(balloon3_pcmcia_device);
-}
-
-module_init(balloon3_pcmcia_init);
-module_exit(balloon3_pcmcia_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>");
-MODULE_ALIAS("platform:pxa2xx-pcmcia");
-MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver");