diff options
Diffstat (limited to 'drivers/pcmcia/pxa2xx_base.c')
| -rw-r--r-- | drivers/pcmcia/pxa2xx_base.c | 84 |
1 files changed, 27 insertions, 57 deletions
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index cfec9dd18ff5..370a8e16dc81 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /*====================================================================== Device driver for the PCMCIA control functionality of PXA2xx microprocessors. - The contents of this file may be used under the - terms of the GNU Public License version 2 (the "GPL") (c) Ian Molton (spyro@f2s.com) 2003 (c) Stefan Eletzhofer (stefan.eletzhofer@inquant.de) 2003,4 @@ -24,12 +23,11 @@ #include <linux/kernel.h> #include <linux/spinlock.h> #include <linux/platform_device.h> +#include <linux/soc/pxa/cpu.h> +#include <linux/soc/pxa/smemc.h> -#include <mach/hardware.h> -#include <mach/smemc.h> #include <asm/io.h> #include <asm/irq.h> -#include <mach/pxa2xx-regs.h> #include <asm/mach-types.h> #include <pcmcia/ss.h> @@ -114,7 +112,7 @@ static inline u_int pxa2xx_pcmcia_cmd_time(u_int mem_clk_10khz, return (300000 * (pcmcia_mcxx_asst + 1) / mem_clk_10khz); } -static int pxa2xx_pcmcia_set_mcmem( int sock, int speed, int clock ) +static uint32_t pxa2xx_pcmcia_mcmem(int sock, int speed, int clock) { uint32_t val; @@ -125,12 +123,10 @@ static int pxa2xx_pcmcia_set_mcmem( int sock, int speed, int clock ) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); - __raw_writel(val, MCMEM(sock)); - - return 0; + return val; } -static int pxa2xx_pcmcia_set_mcio( int sock, int speed, int clock ) +static int pxa2xx_pcmcia_mcio(int sock, int speed, int clock) { uint32_t val; @@ -141,12 +137,11 @@ static int pxa2xx_pcmcia_set_mcio( int sock, int speed, int clock ) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); - __raw_writel(val, MCIO(sock)); - return 0; + return val; } -static int pxa2xx_pcmcia_set_mcatt( int sock, int speed, int clock ) +static int pxa2xx_pcmcia_mcatt(int sock, int speed, int clock) { uint32_t val; @@ -157,31 +152,26 @@ static int pxa2xx_pcmcia_set_mcatt( int sock, int speed, int clock ) | ((pxa2xx_mcxx_hold(speed, clock) & MCXX_HOLD_MASK) << MCXX_HOLD_SHIFT); - __raw_writel(val, MCATT(sock)); - return 0; + return val; } -static int pxa2xx_pcmcia_set_mcxx(struct soc_pcmcia_socket *skt, unsigned int clk) +static int pxa2xx_pcmcia_set_timing(struct soc_pcmcia_socket *skt) { + unsigned long clk = clk_get_rate(skt->clk) / 10000; struct soc_pcmcia_timing timing; int sock = skt->nr; soc_common_pcmcia_get_timing(skt, &timing); - pxa2xx_pcmcia_set_mcmem(sock, timing.mem, clk); - pxa2xx_pcmcia_set_mcatt(sock, timing.attr, clk); - pxa2xx_pcmcia_set_mcio(sock, timing.io, clk); + pxa_smemc_set_pcmcia_timing(sock, + pxa2xx_pcmcia_mcmem(sock, timing.mem, clk), + pxa2xx_pcmcia_mcatt(sock, timing.attr, clk), + pxa2xx_pcmcia_mcio(sock, timing.io, clk)); return 0; } -static int pxa2xx_pcmcia_set_timing(struct soc_pcmcia_socket *skt) -{ - unsigned long clk = clk_get_rate(skt->clk); - return pxa2xx_pcmcia_set_mcxx(skt, clk / 10000); -} - #ifdef CONFIG_CPU_FREQ static int @@ -214,21 +204,9 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, } #endif -void pxa2xx_configure_sockets(struct device *dev) +void pxa2xx_configure_sockets(struct device *dev, struct pcmcia_low_level *ops) { - struct pcmcia_low_level *ops = dev->platform_data; - /* - * We have at least one socket, so set MECR:CIT - * (Card Is There) - */ - uint32_t mecr = MECR_CIT; - - /* Set MECR:NOS (Number Of Sockets) */ - if ((ops->first + ops->nr) > 1 || - machine_is_viper() || machine_is_arcom_zeus()) - mecr |= MECR_NOS; - - __raw_writel(mecr, MECR); + pxa_smemc_set_pcmcia_socket(1); } EXPORT_SYMBOL(pxa2xx_configure_sockets); @@ -296,20 +274,18 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) goto err0; } - clk = clk_get(&dev->dev, NULL); + clk = devm_clk_get(&dev->dev, NULL); if (IS_ERR(clk)) return -ENODEV; pxa2xx_drv_pcmcia_ops(ops); - sinfo = kzalloc(SKT_DEV_INFO_SIZE(ops->nr), GFP_KERNEL); - if (!sinfo) { - clk_put(clk); + sinfo = devm_kzalloc(&dev->dev, SKT_DEV_INFO_SIZE(ops->nr), + GFP_KERNEL); + if (!sinfo) return -ENOMEM; - } sinfo->nskt = ops->nr; - sinfo->clk = clk; /* Initialize processor specific parameters */ for (i = 0; i < ops->nr; i++) { @@ -324,7 +300,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) goto err1; } - pxa2xx_configure_sockets(&dev->dev); + pxa2xx_configure_sockets(&dev->dev, ops); dev_set_drvdata(&dev->dev, sinfo); return 0; @@ -332,30 +308,25 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) err1: while (--i >= 0) soc_pcmcia_remove_one(&sinfo->skt[i]); - clk_put(clk); - kfree(sinfo); + err0: return ret; } -static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev) +static void pxa2xx_drv_pcmcia_remove(struct platform_device *dev) { struct skt_dev_info *sinfo = platform_get_drvdata(dev); int i; - platform_set_drvdata(dev, NULL); - for (i = 0; i < sinfo->nskt; i++) soc_pcmcia_remove_one(&sinfo->skt[i]); - - clk_put(sinfo->clk); - kfree(sinfo); - return 0; } static int pxa2xx_drv_pcmcia_resume(struct device *dev) { - pxa2xx_configure_sockets(dev); + struct pcmcia_low_level *ops = (struct pcmcia_low_level *)dev->platform_data; + + pxa2xx_configure_sockets(dev, ops); return 0; } @@ -368,7 +339,6 @@ static struct platform_driver pxa2xx_pcmcia_driver = { .remove = pxa2xx_drv_pcmcia_remove, .driver = { .name = "pxa2xx-pcmcia", - .owner = THIS_MODULE, .pm = &pxa2xx_drv_pcmcia_pm_ops, }, }; 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