diff options
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/Kconfig | 21 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/audmux-v1.c | 64 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/audmux-v2.c | 219 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/audmux.h | 60 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/iomux-v1.h | 2 |
6 files changed, 4 insertions, 364 deletions
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index b30708e..c722f9c 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -17,26 +17,17 @@ config ARCH_IMX_V4_V5 and ARMv5 SoCs config ARCH_IMX_V6_V7 - bool "i.MX3, i.MX6" + bool "i.MX3, i.MX5, i.MX6" select AUTO_ZRELADDR if !ZBOOT_ROM select ARM_PATCH_PHYS_VIRT select MIGHT_HAVE_CACHE_L2X0 help - This enables support for systems based on the Freescale i.MX3 and i.MX6 - family. - -config ARCH_MX5 - bool "i.MX50, i.MX51, i.MX53" - select AUTO_ZRELADDR if !ZBOOT_ROM - select ARM_PATCH_PHYS_VIRT - help - This enables support for machines using Freescale's i.MX50 and i.MX53 - processors. + This enables support for systems based on the Freescale i.MX3, i.MX5 + and i.MX6 family. endchoice source "arch/arm/mach-imx/Kconfig" -source "arch/arm/mach-mx5/Kconfig" endmenu @@ -97,12 +88,6 @@ config IMX_HAVE_IOMUX_V1 config ARCH_MXC_IOMUX_V3 bool -config ARCH_MXC_AUDMUX_V1 - bool - -config ARCH_MXC_AUDMUX_V2 - bool - config IRAM_ALLOC bool select GENERIC_ALLOCATOR diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index 076db84f..e81290c 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -14,8 +14,6 @@ obj-$(CONFIG_IRAM_ALLOC) += iram_alloc.o obj-$(CONFIG_MXC_PWM) += pwm.o obj-$(CONFIG_MXC_ULPI) += ulpi.o obj-$(CONFIG_MXC_USE_EPIT) += epit.o -obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o -obj-$(CONFIG_ARCH_MXC_AUDMUX_V2) += audmux-v2.o obj-$(CONFIG_MXC_DEBUG_BOARD) += 3ds_debugboard.o obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o ifdef CONFIG_SND_IMX_SOC diff --git a/arch/arm/plat-mxc/audmux-v1.c b/arch/arm/plat-mxc/audmux-v1.c deleted file mode 100644 index 1180bef..0000000 --- a/arch/arm/plat-mxc/audmux-v1.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> - * - * Initial development of this code was funded by - * Phytec Messtechnik GmbH, http://www.phytec.de - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/clk.h> -#include <mach/audmux.h> -#include <mach/hardware.h> - -static void __iomem *audmux_base; - -static unsigned char port_mapping[] = { - 0x0, 0x4, 0x8, 0x10, 0x14, 0x1c, -}; - -int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr) -{ - if (!audmux_base) { - printk("%s: not configured\n", __func__); - return -ENOSYS; - } - - if (port >= ARRAY_SIZE(port_mapping)) - return -EINVAL; - - writel(pcr, audmux_base + port_mapping[port]); - - return 0; -} -EXPORT_SYMBOL_GPL(mxc_audmux_v1_configure_port); - -static int mxc_audmux_v1_init(void) -{ -#ifdef CONFIG_MACH_MX21 - if (cpu_is_mx21()) - audmux_base = MX21_IO_ADDRESS(MX21_AUDMUX_BASE_ADDR); - else -#endif -#ifdef CONFIG_MACH_MX27 - if (cpu_is_mx27()) - audmux_base = MX27_IO_ADDRESS(MX27_AUDMUX_BASE_ADDR); - else -#endif - (void)0; - - return 0; -} - -postcore_initcall(mxc_audmux_v1_init); diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c deleted file mode 100644 index 8cced35..0000000 --- a/arch/arm/plat-mxc/audmux-v2.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> - * - * Initial development of this code was funded by - * Phytec Messtechnik GmbH, http://www.phytec.de - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/clk.h> -#include <linux/debugfs.h> -#include <linux/slab.h> -#include <mach/audmux.h> -#include <mach/hardware.h> - -static struct clk *audmux_clk; -static void __iomem *audmux_base; - -#define MXC_AUDMUX_V2_PTCR(x) ((x) * 8) -#define MXC_AUDMUX_V2_PDCR(x) ((x) * 8 + 4) - -#ifdef CONFIG_DEBUG_FS -static struct dentry *audmux_debugfs_root; - -static int audmux_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -/* There is an annoying discontinuity in the SSI numbering with regard - * to the Linux number of the devices */ -static const char *audmux_port_string(int port) -{ - switch (port) { - case MX31_AUDMUX_PORT1_SSI0: - return "imx-ssi.0"; - case MX31_AUDMUX_PORT2_SSI1: - return "imx-ssi.1"; - case MX31_AUDMUX_PORT3_SSI_PINS_3: - return "SSI3"; - case MX31_AUDMUX_PORT4_SSI_PINS_4: - return "SSI4"; - case MX31_AUDMUX_PORT5_SSI_PINS_5: - return "SSI5"; - case MX31_AUDMUX_PORT6_SSI_PINS_6: - return "SSI6"; - default: - return "UNKNOWN"; - } -} - -static ssize_t audmux_read_file(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - ssize_t ret; - char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - int port = (int)file->private_data; - u32 pdcr, ptcr; - - if (!buf) - return -ENOMEM; - - if (audmux_clk) - clk_enable(audmux_clk); - - ptcr = readl(audmux_base + MXC_AUDMUX_V2_PTCR(port)); - pdcr = readl(audmux_base + MXC_AUDMUX_V2_PDCR(port)); - - if (audmux_clk) - clk_disable(audmux_clk); - - ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", - pdcr, ptcr); - - if (ptcr & MXC_AUDMUX_V2_PTCR_TFSDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "TxFS output from %s, ", - audmux_port_string((ptcr >> 27) & 0x7)); - else - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "TxFS input, "); - - if (ptcr & MXC_AUDMUX_V2_PTCR_TCLKDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "TxClk output from %s", - audmux_port_string((ptcr >> 22) & 0x7)); - else - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "TxClk input"); - - ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n"); - - if (ptcr & MXC_AUDMUX_V2_PTCR_SYN) { - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "Port is symmetric"); - } else { - if (ptcr & MXC_AUDMUX_V2_PTCR_RFSDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "RxFS output from %s, ", - audmux_port_string((ptcr >> 17) & 0x7)); - else - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "RxFS input, "); - - if (ptcr & MXC_AUDMUX_V2_PTCR_RCLKDIR) - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "RxClk output from %s", - audmux_port_string((ptcr >> 12) & 0x7)); - else - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "RxClk input"); - } - - ret += snprintf(buf + ret, PAGE_SIZE - ret, - "\nData received from %s\n", - audmux_port_string((pdcr >> 13) & 0x7)); - - ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); - - kfree(buf); - - return ret; -} - -static const struct file_operations audmux_debugfs_fops = { - .open = audmux_open_file, - .read = audmux_read_file, - .llseek = default_llseek, -}; - -static void audmux_debugfs_init(void) -{ - int i; - char buf[20]; - - audmux_debugfs_root = debugfs_create_dir("audmux", NULL); - if (!audmux_debugfs_root) { - pr_warning("Failed to create AUDMUX debugfs root\n"); - return; - } - - for (i = 1; i < 8; i++) { - snprintf(buf, sizeof(buf), "ssi%d", i); - if (!debugfs_create_file(buf, 0444, audmux_debugfs_root, - (void *)i, &audmux_debugfs_fops)) - pr_warning("Failed to create AUDMUX port %d debugfs file\n", - i); - } -} -#else -static inline void audmux_debugfs_init(void) -{ -} -#endif - -int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, - unsigned int pdcr) -{ - if (!audmux_base) - return -ENOSYS; - - if (audmux_clk) - clk_enable(audmux_clk); - - writel(ptcr, audmux_base + MXC_AUDMUX_V2_PTCR(port)); - writel(pdcr, audmux_base + MXC_AUDMUX_V2_PDCR(port)); - - if (audmux_clk) - clk_disable(audmux_clk); - - return 0; -} -EXPORT_SYMBOL_GPL(mxc_audmux_v2_configure_port); - -static int mxc_audmux_v2_init(void) -{ - int ret; - if (cpu_is_mx51()) { - audmux_base = MX51_IO_ADDRESS(MX51_AUDMUX_BASE_ADDR); - } else if (cpu_is_mx31()) { - audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR); - } else if (cpu_is_mx35()) { - audmux_clk = clk_get(NULL, "audmux"); - if (IS_ERR(audmux_clk)) { - ret = PTR_ERR(audmux_clk); - printk(KERN_ERR "%s: cannot get clock: %d\n", __func__, - ret); - return ret; - } - audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR); - } else if (cpu_is_mx25()) { - audmux_clk = clk_get(NULL, "audmux"); - if (IS_ERR(audmux_clk)) { - ret = PTR_ERR(audmux_clk); - printk(KERN_ERR "%s: cannot get clock: %d\n", __func__, - ret); - return ret; - } - audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR); - } - - audmux_debugfs_init(); - - return 0; -} - -postcore_initcall(mxc_audmux_v2_init); diff --git a/arch/arm/plat-mxc/include/mach/audmux.h b/arch/arm/plat-mxc/include/mach/audmux.h deleted file mode 100644 index 6fda788..0000000 --- a/arch/arm/plat-mxc/include/mach/audmux.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef __MACH_AUDMUX_H -#define __MACH_AUDMUX_H - -#define MX27_AUDMUX_HPCR1_SSI0 0 -#define MX27_AUDMUX_HPCR2_SSI1 1 -#define MX27_AUDMUX_HPCR3_SSI_PINS_4 2 -#define MX27_AUDMUX_PPCR1_SSI_PINS_1 3 -#define MX27_AUDMUX_PPCR2_SSI_PINS_2 4 -#define MX27_AUDMUX_PPCR3_SSI_PINS_3 5 - -#define MX31_AUDMUX_PORT1_SSI0 0 -#define MX31_AUDMUX_PORT2_SSI1 1 -#define MX31_AUDMUX_PORT3_SSI_PINS_3 2 -#define MX31_AUDMUX_PORT4_SSI_PINS_4 3 -#define MX31_AUDMUX_PORT5_SSI_PINS_5 4 -#define MX31_AUDMUX_PORT6_SSI_PINS_6 5 - -#define MX51_AUDMUX_PORT1_SSI0 0 -#define MX51_AUDMUX_PORT2_SSI1 1 -#define MX51_AUDMUX_PORT3 2 -#define MX51_AUDMUX_PORT4 3 -#define MX51_AUDMUX_PORT5 4 -#define MX51_AUDMUX_PORT6 5 -#define MX51_AUDMUX_PORT7 6 - -/* Register definitions for the i.MX21/27 Digital Audio Multiplexer */ -#define MXC_AUDMUX_V1_PCR_INMMASK(x) ((x) & 0xff) -#define MXC_AUDMUX_V1_PCR_INMEN (1 << 8) -#define MXC_AUDMUX_V1_PCR_TXRXEN (1 << 10) -#define MXC_AUDMUX_V1_PCR_SYN (1 << 12) -#define MXC_AUDMUX_V1_PCR_RXDSEL(x) (((x) & 0x7) << 13) -#define MXC_AUDMUX_V1_PCR_RFCSEL(x) (((x) & 0xf) << 20) -#define MXC_AUDMUX_V1_PCR_RCLKDIR (1 << 24) -#define MXC_AUDMUX_V1_PCR_RFSDIR (1 << 25) -#define MXC_AUDMUX_V1_PCR_TFCSEL(x) (((x) & 0xf) << 26) -#define MXC_AUDMUX_V1_PCR_TCLKDIR (1 << 30) -#define MXC_AUDMUX_V1_PCR_TFSDIR (1 << 31) - -/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */ -#define MXC_AUDMUX_V2_PTCR_TFSDIR (1 << 31) -#define MXC_AUDMUX_V2_PTCR_TFSEL(x) (((x) & 0xf) << 27) -#define MXC_AUDMUX_V2_PTCR_TCLKDIR (1 << 26) -#define MXC_AUDMUX_V2_PTCR_TCSEL(x) (((x) & 0xf) << 22) -#define MXC_AUDMUX_V2_PTCR_RFSDIR (1 << 21) -#define MXC_AUDMUX_V2_PTCR_RFSEL(x) (((x) & 0xf) << 17) -#define MXC_AUDMUX_V2_PTCR_RCLKDIR (1 << 16) -#define MXC_AUDMUX_V2_PTCR_RCSEL(x) (((x) & 0xf) << 12) -#define MXC_AUDMUX_V2_PTCR_SYN (1 << 11) - -#define MXC_AUDMUX_V2_PDCR_RXDSEL(x) (((x) & 0x7) << 13) -#define MXC_AUDMUX_V2_PDCR_TXRXEN (1 << 12) -#define MXC_AUDMUX_V2_PDCR_MODE(x) (((x) & 0x3) << 8) -#define MXC_AUDMUX_V2_PDCR_INMMASK(x) ((x) & 0xff) - -int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr); - -int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, - unsigned int pdcr); - -#endif /* __MACH_AUDMUX_H */ diff --git a/arch/arm/plat-mxc/include/mach/iomux-v1.h b/arch/arm/plat-mxc/include/mach/iomux-v1.h index 6fa8a70..f7d1804 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-v1.h +++ b/arch/arm/plat-mxc/include/mach/iomux-v1.h @@ -96,6 +96,6 @@ extern int mxc_gpio_mode(int gpio_mode); extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, const char *label); -extern int __init imx_iomuxv1_init(void __iomem *base, int numports); +extern int imx_iomuxv1_init(void __iomem *base, int numports); #endif /* __MACH_IOMUX_V1_H__ */ |
