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Diffstat (limited to 'arch/arm/mach-omap2/mux.c')
-rw-r--r--arch/arm/mach-omap2/mux.c121
1 files changed, 112 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 05750975d74..930770012a7 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -1,11 +1,12 @@
/*
* linux/arch/arm/mach-omap2/mux.c
*
- * OMAP1 pin multiplexing configurations
+ * OMAP2 pin multiplexing configurations
*
- * Copyright (C) 2003 - 2005 Nokia Corporation
+ * Copyright (C) 2004 - 2008 Texas Instruments Inc.
+ * Copyright (C) 2003 - 2008 Nokia Corporation
*
- * Written by Tony Lindgren <tony.lindgren@nokia.com>
+ * Written by Tony Lindgren
*
* 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
@@ -28,13 +29,17 @@
#include <asm/io.h>
#include <linux/spinlock.h>
+#include <asm/arch/control.h>
#include <asm/arch/mux.h>
#ifdef CONFIG_OMAP_MUX
+static struct omap_mux_cfg arch_mux_cfg;
+
/* NOTE: See mux.h for the enumeration */
-struct pin_config __initdata_or_module omap24xx_pins[] = {
+#ifdef CONFIG_ARCH_OMAP24XX
+static struct pin_config __initdata_or_module omap24xx_pins[] = {
/*
* description mux mux pull pull debug
* offset mode ena type
@@ -77,7 +82,12 @@ MUX_CFG_24XX("AA12_242X_GPIO17", 0x0e9, 3, 0, 0, 1)
MUX_CFG_24XX("AA8_242X_GPIO58", 0x0ea, 3, 0, 0, 1)
MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1)
MUX_CFG_24XX("W4__24XX_GPIO74", 0x0f2, 3, 0, 0, 1)
+MUX_CFG_24XX("N15_24XX_GPIO85", 0x103, 3, 0, 0, 1)
MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1)
+MUX_CFG_24XX("P20_24XX_GPIO93", 0x10b, 3, 0, 0, 1)
+MUX_CFG_24XX("P18_24XX_GPIO95", 0x10d, 3, 0, 0, 1)
+MUX_CFG_24XX("M18_24XX_GPIO96", 0x10e, 3, 0, 0, 1)
+MUX_CFG_24XX("L14_24XX_GPIO97", 0x10f, 3, 0, 0, 1)
MUX_CFG_24XX("J15_24XX_GPIO99", 0x113, 3, 1, 1, 1)
MUX_CFG_24XX("V14_24XX_GPIO117", 0x128, 3, 1, 0, 1)
MUX_CFG_24XX("P14_24XX_GPIO125", 0x140, 3, 1, 1, 1)
@@ -102,9 +112,6 @@ MUX_CFG_24XX("G4_242X_DMAREQ3", 0x073, 2, 0, 0, 1)
MUX_CFG_24XX("D3_242X_DMAREQ4", 0x072, 2, 0, 0, 1)
MUX_CFG_24XX("E3_242X_DMAREQ5", 0x071, 2, 0, 0, 1)
-/* TSC IRQ */
-MUX_CFG_24XX("P20_24XX_TSC_IRQ", 0x108, 0, 0, 0, 1)
-
/* UART3 */
MUX_CFG_24XX("K15_24XX_UART3_TX", 0x118, 0, 0, 0, 1)
MUX_CFG_24XX("K14_24XX_UART3_RX", 0x119, 0, 0, 0, 1)
@@ -167,12 +174,108 @@ MUX_CFG_24XX("B3__24XX_KBR5", 0x30, 3, 1, 1, 1)
MUX_CFG_24XX("AA4_24XX_KBC2", 0xe7, 3, 0, 0, 1)
MUX_CFG_24XX("B13_24XX_KBC6", 0x110, 3, 0, 0, 1)
+/* 2430 USB */
+MUX_CFG_24XX("AD9_2430_USB0_PUEN", 0x133, 4, 0, 0, 1)
+MUX_CFG_24XX("Y11_2430_USB0_VP", 0x134, 4, 0, 0, 1)
+MUX_CFG_24XX("AD7_2430_USB0_VM", 0x135, 4, 0, 0, 1)
+MUX_CFG_24XX("AE7_2430_USB0_RCV", 0x136, 4, 0, 0, 1)
+MUX_CFG_24XX("AD4_2430_USB0_TXEN", 0x137, 4, 0, 0, 1)
+MUX_CFG_24XX("AF9_2430_USB0_SE0", 0x138, 4, 0, 0, 1)
+MUX_CFG_24XX("AE6_2430_USB0_DAT", 0x139, 4, 0, 0, 1)
+MUX_CFG_24XX("AD24_2430_USB1_SE0", 0x107, 2, 0, 0, 1)
+MUX_CFG_24XX("AB24_2430_USB1_RCV", 0x108, 2, 0, 0, 1)
+MUX_CFG_24XX("Y25_2430_USB1_TXEN", 0x109, 2, 0, 0, 1)
+MUX_CFG_24XX("AA26_2430_USB1_DAT", 0x10A, 2, 0, 0, 1)
+
+/* 2430 HS-USB */
+MUX_CFG_24XX("AD9_2430_USB0HS_DATA3", 0x133, 0, 0, 0, 1)
+MUX_CFG_24XX("Y11_2430_USB0HS_DATA4", 0x134, 0, 0, 0, 1)
+MUX_CFG_24XX("AD7_2430_USB0HS_DATA5", 0x135, 0, 0, 0, 1)
+MUX_CFG_24XX("AE7_2430_USB0HS_DATA6", 0x136, 0, 0, 0, 1)
+MUX_CFG_24XX("AD4_2430_USB0HS_DATA2", 0x137, 0, 0, 0, 1)
+MUX_CFG_24XX("AF9_2430_USB0HS_DATA0", 0x138, 0, 0, 0, 1)
+MUX_CFG_24XX("AE6_2430_USB0HS_DATA1", 0x139, 0, 0, 0, 1)
+MUX_CFG_24XX("AE8_2430_USB0HS_CLK", 0x13A, 0, 0, 0, 1)
+MUX_CFG_24XX("AD8_2430_USB0HS_DIR", 0x13B, 0, 0, 0, 1)
+MUX_CFG_24XX("AE5_2430_USB0HS_STP", 0x13c, 0, 1, 1, 1)
+MUX_CFG_24XX("AE9_2430_USB0HS_NXT", 0x13D, 0, 0, 0, 1)
+MUX_CFG_24XX("AC7_2430_USB0HS_DATA7", 0x13E, 0, 0, 0, 1)
+
+/* 2430 McBSP */
+MUX_CFG_24XX("AC10_2430_MCBSP2_FSX", 0x012E, 1, 0, 0, 1)
+MUX_CFG_24XX("AD16_2430_MCBSP2_CLX", 0x012F, 1, 0, 0, 1)
+MUX_CFG_24XX("AE13_2430_MCBSP2_DX", 0x0130, 1, 0, 0, 1)
+MUX_CFG_24XX("AD13_2430_MCBSP2_DR", 0x0131, 1, 0, 0, 1)
+MUX_CFG_24XX("AC10_2430_MCBSP2_FSX_OFF",0x012E, 0, 0, 0, 1)
+MUX_CFG_24XX("AD16_2430_MCBSP2_CLX_OFF",0x012F, 0, 0, 0, 1)
+MUX_CFG_24XX("AE13_2430_MCBSP2_DX_OFF", 0x0130, 0, 0, 0, 1)
+MUX_CFG_24XX("AD13_2430_MCBSP2_DR_OFF", 0x0131, 0, 0, 0, 1)
};
-int __init omap2_mux_init(void)
+#define OMAP24XX_PINS_SZ ARRAY_SIZE(omap24xx_pins)
+
+#else
+#define omap24xx_pins NULL
+#define OMAP24XX_PINS_SZ 0
+#endif /* CONFIG_ARCH_OMAP24XX */
+
+#define OMAP24XX_PULL_ENA (1 << 3)
+#define OMAP24XX_PULL_UP (1 << 4)
+
+#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
+void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u8 reg)
{
- omap_mux_register(omap24xx_pins, ARRAY_SIZE(omap24xx_pins));
+ u16 orig;
+ u8 warn = 0, debug = 0;
+
+ orig = omap_ctrl_readb(cfg->mux_reg);
+
+#ifdef CONFIG_OMAP_MUX_DEBUG
+ debug = cfg->debug;
+#endif
+ warn = (orig != reg);
+ if (debug || warn)
+ printk(KERN_WARNING
+ "MUX: setup %s (0x%08x): 0x%02x -> 0x%02x\n",
+ cfg->name, omap_ctrl_base_get() + cfg->mux_reg,
+ orig, reg);
+}
+#else
+#define omap2_cfg_debug(x, y) do {} while (0)
+#endif
+
+#ifdef CONFIG_ARCH_OMAP24XX
+int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
+{
+ static DEFINE_SPINLOCK(mux_spin_lock);
+ unsigned long flags;
+ u8 reg = 0;
+
+ spin_lock_irqsave(&mux_spin_lock, flags);
+ reg |= cfg->mask & 0x7;
+ if (cfg->pull_val)
+ reg |= OMAP24XX_PULL_ENA;
+ if (cfg->pu_pd_val)
+ reg |= OMAP24XX_PULL_UP;
+ omap2_cfg_debug(cfg, reg);
+ omap_ctrl_writeb(reg, cfg->mux_reg);
+ spin_unlock_irqrestore(&mux_spin_lock, flags);
+
return 0;
}
+#else
+#define omap24xx_cfg_reg 0
+#endif
+
+int __init omap2_mux_init(void)
+{
+ if (cpu_is_omap24xx()) {
+ arch_mux_cfg.pins = omap24xx_pins;
+ arch_mux_cfg.size = OMAP24XX_PINS_SZ;
+ arch_mux_cfg.cfg_reg = omap24xx_cfg_reg;
+ }
+
+ return omap_mux_register(&arch_mux_cfg);
+}
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 10:48:39 +0000