---

yaml
---
r: 187581
b: refs/heads/master
c: a003708
h: refs/heads/master
i:
  187579: 3b21b88
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d2831d1f543489ef97a20e6e65f625e195b521bf
+refs/heads/master: a003708ad4ee9384226251431c7953a24079ff80

trunk/arch/arm/mach-mx2/mach-pca100.c

@@ -25,7 +25,6 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/eeprom.h>
 #include <linux/irq.h>
-#include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
@@ -42,8 +41,6 @@
 #include <mach/spi.h>
 #endif
 #include <mach/imx-uart.h>
-#include <mach/audmux.h>
-#include <mach/ssi.h>
 #include <mach/mxc_nand.h>
 #include <mach/irqs.h>
 #include <mach/mmc.h>
@@ -196,37 +193,6 @@ static struct spi_imx_master pca100_spi_0_data = {
 };
 #endif
 
-static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
-{
-	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
-	gpio_set_value(GPIO_PORTC + 20, 1);
-	udelay(2);
-	gpio_set_value(GPIO_PORTC + 20, 0);
-	mxc_gpio_mode(PC20_PF_SSI1_FS);
-	msleep(2);
-}
-
-static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
-{
-	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);  /* FS */
-	gpio_set_value(GPIO_PORTC + 20, 0);
-	mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT);  /* TX */
-	gpio_set_value(GPIO_PORTC + 22, 0);
-	mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT);  /* reset */
-	gpio_set_value(GPIO_PORTC + 28, 0);
-	udelay(10);
-	gpio_set_value(GPIO_PORTC + 28, 1);
-	mxc_gpio_mode(PC20_PF_SSI1_FS);
-	mxc_gpio_mode(PC22_PF_SSI1_TXD);
-	msleep(2);
-}
-
-static struct imx_ssi_platform_data pca100_ssi_pdata = {
-	.ac97_reset		= pca100_ac97_cold_reset,
-	.ac97_warm_reset	= pca100_ac97_warm_reset,
-	.flags			= IMX_SSI_USE_AC97,
-};
-
 static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
@@ -300,25 +266,11 @@ static void __init pca100_init(void)
 {
 	int ret;
 
-	/* SSI unit */
-	mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
-				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
-				  MXC_AUDMUX_V1_PCR_TFCSEL(3) |
-				  MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
-				  MXC_AUDMUX_V1_PCR_RXDSEL(3));
-	mxc_audmux_v1_configure_port(3,
-				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
-				  MXC_AUDMUX_V1_PCR_TFCSEL(0) |
-				  MXC_AUDMUX_V1_PCR_TFSDIR |
-				  MXC_AUDMUX_V1_PCR_RXDSEL(0));
-
 	ret = mxc_gpio_setup_multiple_pins(pca100_pins,
 			ARRAY_SIZE(pca100_pins), "PCA100");
 	if (ret)
 		printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
 
-	mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);
-
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 
 	mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);

trunk/arch/arm/mach-mx3/mach-pcm043.c

@@ -26,7 +26,6 @@
 #include <linux/gpio.h>
 #include <linux/smc911x.h>
 #include <linux/interrupt.h>
-#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/i2c/at24.h>
 #include <linux/usb/otg.h>
@@ -50,8 +49,6 @@
 #include <mach/mxc_nand.h>
 #include <mach/mxc_ehci.h>
 #include <mach/ulpi.h>
-#include <mach/audmux.h>
-#include <mach/ssi.h>
 
 #include "devices.h"
 
@@ -216,91 +213,6 @@ static struct pad_desc pcm043_pads[] = {
 	/* USB host */
 	MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
 	MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
-	/* SSI */
-	MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
-	MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
-	MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
-	MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
-};
-
-#define AC97_GPIO_TXFS	(1 * 32 + 31)
-#define AC97_GPIO_TXD	(1 * 32 + 28)
-#define AC97_GPIO_RESET	(1 * 32 + 0)
-
-static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
-{
-	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
-	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
-	int ret;
-
-	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
-	if (ret) {
-		printk("failed to get GPIO_TXFS: %d\n", ret);
-		return;
-	}
-
-	mxc_iomux_v3_setup_pad(&txfs_gpio);
-
-	/* warm reset */
-	gpio_direction_output(AC97_GPIO_TXFS, 1);
-	udelay(2);
-	gpio_set_value(AC97_GPIO_TXFS, 0);
-
-	gpio_free(AC97_GPIO_TXFS);
-	mxc_iomux_v3_setup_pad(&txfs);
-}
-
-static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
-{
-	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
-	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
-	struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28;
-	struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
-	struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
-	int ret;
-
-	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
-	if (ret)
-		goto err1;
-
-	ret = gpio_request(AC97_GPIO_TXD, "SSI");
-	if (ret)
-		goto err2;
-
-	ret = gpio_request(AC97_GPIO_RESET, "SSI");
-	if (ret)
-		goto err3;
-
-	mxc_iomux_v3_setup_pad(&txfs_gpio);
-	mxc_iomux_v3_setup_pad(&txd_gpio);
-	mxc_iomux_v3_setup_pad(&reset_gpio);
-
-	gpio_direction_output(AC97_GPIO_TXFS, 0);
-	gpio_direction_output(AC97_GPIO_TXD, 0);
-
-	/* cold reset */
-	gpio_direction_output(AC97_GPIO_RESET, 0);
-	udelay(10);
-	gpio_direction_output(AC97_GPIO_RESET, 1);
-
-	mxc_iomux_v3_setup_pad(&txd);
-	mxc_iomux_v3_setup_pad(&txfs);
-
-	gpio_free(AC97_GPIO_RESET);
-err3:
-	gpio_free(AC97_GPIO_TXD);
-err2:
-	gpio_free(AC97_GPIO_TXFS);
-err1:
-	if (ret)
-		printk("%s failed with %d\n", __func__, ret);
-	mdelay(1);
-}
-
-static struct imx_ssi_platform_data pcm043_ssi_pdata = {
-	.ac97_reset = pcm043_ac97_cold_reset,
-	.ac97_warm_reset = pcm043_ac97_warm_reset,
-	.flags = IMX_SSI_USE_AC97,
 };
 
 static struct mxc_nand_platform_data pcm037_nand_board_info = {
@@ -346,23 +258,10 @@ static void __init mxc_board_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
 
-	mxc_audmux_v2_configure_port(3,
-			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
-			MXC_AUDMUX_V2_PTCR_TFSEL(0) |
-			MXC_AUDMUX_V2_PTCR_TFSDIR,
-			MXC_AUDMUX_V2_PDCR_RXDSEL(0));
-
-	mxc_audmux_v2_configure_port(0,
-			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
-			MXC_AUDMUX_V2_PTCR_TCSEL(3) |
-			MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
-			MXC_AUDMUX_V2_PDCR_RXDSEL(3));
-
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
-	mxc_register_device(&imx_ssi_device0, &pcm043_ssi_pdata);
 
 	mxc_register_device(&mxc_uart_device1, &uart_pdata);
 

trunk/arch/arm/plat-mxc/Kconfig

@@ -62,6 +62,14 @@ config MXC_IRQ_PRIOR
 	  requirements for timing.
 	  Say N here, unless you have a specialized requirement.
 
+config MXC_TZIC
+	bool "Enable TrustZone Interrupt Controller"
+	depends on ARCH_MX51
+	help
+	  This will be automatically selected for all processors
+	  containing this interrupt controller.
+	  Say N here only if you are really sure.
+
 config MXC_PWM
 	tristate "Enable PWM driver"
 	depends on ARCH_MXC

trunk/arch/arm/plat-mxc/Makefile

@@ -5,6 +5,9 @@
 # Common support
 obj-y := irq.o clock.o gpio.o time.o devices.o cpu.o system.o
 
+# MX51 uses the TZIC interrupt controller, older platforms use AVIC (irq.o)
+obj-$(CONFIG_MXC_TZIC) += tzic.o
+
 obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
 CFLAGS_iomux-mx1-mx2.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS

trunk/arch/arm/plat-mxc/include/mach/common.h

@@ -22,6 +22,7 @@ extern void mx31_map_io(void);
 extern void mx35_map_io(void);
 extern void mxc91231_map_io(void);
 extern void mxc_init_irq(void __iomem *);
+extern void tzic_init_irq(void __iomem *);
 extern void mx1_init_irq(void);
 extern void mx21_init_irq(void);
 extern void mx25_init_irq(void);

trunk/arch/arm/plat-mxc/include/mach/entry-macro.S

@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 2007 Lennert Buytenhek <buytenh@wantstofly.org>
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *  Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
  */
 
 /*
@@ -18,11 +18,16 @@
 	.endm
 
 	.macro  get_irqnr_preamble, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	ldr	\base, =avic_base
 	ldr	\base, [\base]
 #ifdef CONFIG_MXC_IRQ_PRIOR
 	ldr	r4, [\base, #AVIC_NIMASK]
 #endif
+#elif defined CONFIG_MXC_TZIC
+	ldr	\base, =tzic_base
+	ldr	\base, [\base]
+#endif /* CONFIG_MXC_TZIC */
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
@@ -32,6 +37,7 @@
 	@ and returns its number in irqnr
 	@ and returns if an interrupt occured in irqstat
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	@ Load offset & priority of the highest priority
 	@ interrupt pending from AVIC_NIVECSR
 	ldr	\irqstat, [\base, #0x40]
@@ -44,6 +50,32 @@
 	bicne	\tmp, \irqstat, #0xFFFFFFE0
 	strne	\tmp, [\base, #AVIC_NIMASK]
 	streq	r4, [\base, #AVIC_NIMASK]
+#endif
+#elif defined CONFIG_MXC_TZIC
+	@ Load offset & priority of the highest priority
+	@ interrupt pending.
+	@ 0xD80 is HIPND0 register
+	mov     \irqnr, #0
+	mov     \irqstat, #0x0D80
+1000:
+	ldr     \tmp,   [\irqstat, \base]
+	cmp     \tmp, #0
+	bne     1001f
+	addeq   \irqnr, \irqnr, #32
+	addeq   \irqstat, \irqstat, #4
+	cmp     \irqnr, #128
+	blo     1000b
+	b       2001f
+1001:	mov     \irqstat, #1
+1002:	tst     \tmp, \irqstat
+	bne     2002f
+	movs    \tmp, \tmp, lsr #1
+	addne   \irqnr, \irqnr, #1
+	bne     1002b
+2001:
+	mov  \irqnr, #0
+2002:
+	movs \irqnr, \irqnr
 #endif
 	.endm
 

trunk/arch/arm/plat-mxc/include/mach/irqs.h

@@ -12,9 +12,13 @@
 #define __ASM_ARCH_MXC_IRQS_H__
 
 /*
- * So far all i.MX SoCs have 64 internal interrupts
+ * SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
  */
+#ifdef CONFIG_MXC_TZIC
+#define MXC_INTERNAL_IRQS	128
+#else
 #define MXC_INTERNAL_IRQS	64
+#endif
 
 #define MXC_GPIO_IRQ_START	MXC_INTERNAL_IRQS