The patch number 11348 was added via Guennadi Liakhovetski
<g.liakhovet...@gmx.de>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
Linux Media Mailing List <linux-me...@vger.kernel.org>
------
sync: add files needed for the following two commits
Signed-off-by: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
kernel-sync:
---
linux/arch/arm/mach-mx1/Makefile | 11
linux/arch/arm/mach-mx1/devices.c | 263 +++++++
linux/arch/arm/mach-mx3/clock.c | 605 ++++++++++++++++++
linux/arch/arm/plat-mxc/include/mach/memory.h | 28
4 files changed, 907 insertions(+)
diff -r 30f84934c1b5 -r 59ff539ea946 linux/arch/arm/mach-mx1/Makefile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux/arch/arm/mach-mx1/Makefile Fri Apr 03 15:33:35 2009 +0200
@@ -0,0 +1,11 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+
+obj-y += generic.o clock.o devices.o
+
+# Specific board support
+obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
+obj-$(CONFIG_MACH_SCB9328) += scb9328.o
\ No newline at end of file
diff -r 30f84934c1b5 -r 59ff539ea946 linux/arch/arm/mach-mx1/devices.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux/arch/arm/mach-mx1/devices.c Fri Apr 03 15:33:35 2009 +0200
@@ -0,0 +1,263 @@
+/*
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, ker...@pengutronix.de
+ * Copyright (c) 2008 Paulius Zaleckas <paulius.zalec...@teltonika.lt>
+ * Copyright (c) 2008 Darius Augulis <darius.augu...@teltonika.lt>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+
+#include "devices.h"
+
+static struct resource imx_csi_resources[] = {
+ [0] = {
+ .start = 0x00224000,
+ .end = 0x00224010,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = CSI_INT,
+ .end = CSI_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 imx_csi_dmamask = 0xffffffffUL;
+
+struct platform_device imx_csi_device = {
+ .name = "imx-csi",
+ .id = 0, /* This is used to put cameras on this interface */
+ .dev = {
+ .dma_mask = &imx_csi_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .resource = imx_csi_resources,
+ .num_resources = ARRAY_SIZE(imx_csi_resources),
+};
+
+static struct resource imx_i2c_resources[] = {
+ [0] = {
+ .start = 0x00217000,
+ .end = 0x00217010,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = I2C_INT,
+ .end = I2C_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_i2c_device = {
+ .name = "imx-i2c",
+ .id = 0,
+ .resource = imx_i2c_resources,
+ .num_resources = ARRAY_SIZE(imx_i2c_resources),
+};
+
+static struct resource imx_uart1_resources[] = {
+ [0] = {
+ .start = UART1_BASE_ADDR,
+ .end = UART1_BASE_ADDR + 0xD0,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = UART1_MINT_RX,
+ .end = UART1_MINT_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = UART1_MINT_TX,
+ .end = UART1_MINT_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = UART1_MINT_RTS,
+ .end = UART1_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_uart1_device = {
+ .name = "imx-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(imx_uart1_resources),
+ .resource = imx_uart1_resources,
+};
+
+static struct resource imx_uart2_resources[] = {
+ [0] = {
+ .start = UART2_BASE_ADDR,
+ .end = UART2_BASE_ADDR + 0xD0,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = UART2_MINT_RX,
+ .end = UART2_MINT_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = UART2_MINT_TX,
+ .end = UART2_MINT_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = UART2_MINT_RTS,
+ .end = UART2_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_uart2_device = {
+ .name = "imx-uart",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(imx_uart2_resources),
+ .resource = imx_uart2_resources,
+};
+
+static struct resource imx_rtc_resources[] = {
+ [0] = {
+ .start = 0x00204000,
+ .end = 0x00204024,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = RTC_INT,
+ .end = RTC_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = RTC_SAMINT,
+ .end = RTC_SAMINT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_rtc_device = {
+ .name = "rtc-imx",
+ .id = 0,
+ .resource = imx_rtc_resources,
+ .num_resources = ARRAY_SIZE(imx_rtc_resources),
+};
+
+static struct resource imx_wdt_resources[] = {
+ [0] = {
+ .start = 0x00201000,
+ .end = 0x00201008,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = WDT_INT,
+ .end = WDT_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_wdt_device = {
+ .name = "imx-wdt",
+ .id = 0,
+ .resource = imx_wdt_resources,
+ .num_resources = ARRAY_SIZE(imx_wdt_resources),
+};
+
+static struct resource imx_usb_resources[] = {
+ [0] = {
+ .start = 0x00212000,
+ .end = 0x00212148,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = USBD_INT0,
+ .end = USBD_INT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = USBD_INT1,
+ .end = USBD_INT1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = USBD_INT2,
+ .end = USBD_INT2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [4] = {
+ .start = USBD_INT3,
+ .end = USBD_INT3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [5] = {
+ .start = USBD_INT4,
+ .end = USBD_INT4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [6] = {
+ .start = USBD_INT5,
+ .end = USBD_INT5,
+ .flags = IORESOURCE_IRQ,
+ },
+ [7] = {
+ .start = USBD_INT6,
+ .end = USBD_INT6,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_usb_device = {
+ .name = "imx_udc",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(imx_usb_resources),
+ .resource = imx_usb_resources,
+};
+
+/* GPIO port description */
+static struct mxc_gpio_port imx_gpio_ports[] = {
+ [0] = {
+ .chip.label = "gpio-0",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR),
+ .irq = GPIO_INT_PORTA,
+ .virtual_irq_start = MXC_GPIO_IRQ_START
+ },
+ [1] = {
+ .chip.label = "gpio-1",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
+ .irq = GPIO_INT_PORTB,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 32
+ },
+ [2] = {
+ .chip.label = "gpio-2",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
+ .irq = GPIO_INT_PORTC,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 64
+ },
+ [3] = {
+ .chip.label = "gpio-3",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
+ .irq = GPIO_INT_PORTD,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 96
+ }
+};
+
+int __init mxc_register_gpios(void)
+{
+ return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+}
diff -r 30f84934c1b5 -r 59ff539ea946 linux/arch/arm/mach-mx3/clock.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux/arch/arm/mach-mx3/clock.c Fri Apr 03 15:33:35 2009 +0200
@@ -0,0 +1,605 @@
+/*
+ * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008 by Sascha Hauer <ker...@pengutronix.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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/clkdev.h>
+#include <asm/div64.h>
+
+#include <mach/clock.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+
+#include "crm_regs.h"
+
+#define PRE_DIV_MIN_FREQ 10000000 /* Minimum Frequency after Predivider */
+
+static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post)
+{
+ u32 min_pre, temp_pre, old_err, err;
+
+ if (div >= 512) {
+ *pre = 8;
+ *post = 64;
+ } else if (div >= 64) {
+ min_pre = (div - 1) / 64 + 1;
+ old_err = 8;
+ for (temp_pre = 8; temp_pre >= min_pre; temp_pre--) {
+ err = div % temp_pre;
+ if (err == 0) {
+ *pre = temp_pre;
+ break;
+ }
+ err = temp_pre - err;
+ if (err < old_err) {
+ old_err = err;
+ *pre = temp_pre;
+ }
+ }
+ *post = (div + *pre - 1) / *pre;
+ } else if (div <= 8) {
+ *pre = div;
+ *post = 1;
+ } else {
+ *pre = 1;
+ *post = div;
+ }
+}
+
+static struct clk mcu_pll_clk;
+static struct clk serial_pll_clk;
+static struct clk ipg_clk;
+static struct clk ckih_clk;
+
+static int cgr_enable(struct clk *clk)
+{
+ u32 reg;
+
+ if (!clk->enable_reg)
+ return 0;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= 3 << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+
+ return 0;
+}
+
+static void cgr_disable(struct clk *clk)
+{
+ u32 reg;
+
+ if (!clk->enable_reg)
+ return;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(3 << clk->enable_shift);
+
+ /* special case for EMI clock */
+ if (clk->enable_reg == MXC_CCM_CGR2 && clk->enable_shift == 8)
+ reg |= (1 << clk->enable_shift);
+
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static unsigned long pll_ref_get_rate(void)
+{
+ unsigned long ccmr;
+ unsigned int prcs;
+
+ ccmr = __raw_readl(MXC_CCM_CCMR);
+ prcs = (ccmr & MXC_CCM_CCMR_PRCS_MASK) >> MXC_CCM_CCMR_PRCS_OFFSET;
+ if (prcs == 0x1)
+ return CKIL_CLK_FREQ * 1024;
+ else
+ return clk_get_rate(&ckih_clk);
+}
+
+static unsigned long usb_pll_get_rate(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(MXC_CCM_UPCTL);
+
+ return mxc_decode_pll(reg, pll_ref_get_rate());
+}
+
+static unsigned long serial_pll_get_rate(struct clk *clk)
+{
+ unsigned long reg;
+
+ reg = __raw_readl(MXC_CCM_SRPCTL);
+
+ return mxc_decode_pll(reg, pll_ref_get_rate());
+}
+
+static unsigned long mcu_pll_get_rate(struct clk *clk)
+{
+ unsigned long reg, ccmr;
+
+ ccmr = __raw_readl(MXC_CCM_CCMR);
+
+ if (!(ccmr & MXC_CCM_CCMR_MPE) || (ccmr & MXC_CCM_CCMR_MDS))
+ return clk_get_rate(&ckih_clk);
+
+ reg = __raw_readl(MXC_CCM_MPCTL);
+
+ return mxc_decode_pll(reg, pll_ref_get_rate());
+}
+
+static int usb_pll_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg |= MXC_CCM_CCMR_UPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+
+ /* No lock bit on MX31, so using max time from spec */
+ udelay(80);
+
+ return 0;
+}
+
+static void usb_pll_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg &= ~MXC_CCM_CCMR_UPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+}
+
+static int serial_pll_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg |= MXC_CCM_CCMR_SPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+
+ /* No lock bit on MX31, so using max time from spec */
+ udelay(80);
+
+ return 0;
+}
+
+static void serial_pll_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(MXC_CCM_CCMR);
+ reg &= ~MXC_CCM_CCMR_SPE;
+ __raw_writel(reg, MXC_CCM_CCMR);
+}
+
+#define PDR0(mask, off) ((__raw_readl(MXC_CCM_PDR0) & mask) >> off)
+#define PDR1(mask, off) ((__raw_readl(MXC_CCM_PDR1) & mask) >> off)
+#define PDR2(mask, off) ((__raw_readl(MXC_CCM_PDR2) & mask) >> off)
+
+static unsigned long mcu_main_get_rate(struct clk *clk)
+{
+ u32 pmcr0 = __raw_readl(MXC_CCM_PMCR0);
+
+ if ((pmcr0 & MXC_CCM_PMCR0_DFSUP1) == MXC_CCM_PMCR0_DFSUP1_SPLL)
+ return clk_get_rate(&serial_pll_clk);
+ else
+ return clk_get_rate(&mcu_pll_clk);
+}
+
+static unsigned long ahb_get_rate(struct clk *clk)
+{
+ unsigned long max_pdf;
+
+ max_pdf = PDR0(MXC_CCM_PDR0_MAX_PODF_MASK,
+ MXC_CCM_PDR0_MAX_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (max_pdf + 1);
+}
+
+static unsigned long ipg_get_rate(struct clk *clk)
+{
+ unsigned long ipg_pdf;
+
+ ipg_pdf = PDR0(MXC_CCM_PDR0_IPG_PODF_MASK,
+ MXC_CCM_PDR0_IPG_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ipg_pdf + 1);
+}
+
+static unsigned long nfc_get_rate(struct clk *clk)
+{
+ unsigned long nfc_pdf;
+
+ nfc_pdf = PDR0(MXC_CCM_PDR0_NFC_PODF_MASK,
+ MXC_CCM_PDR0_NFC_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (nfc_pdf + 1);
+}
+
+static unsigned long hsp_get_rate(struct clk *clk)
+{
+ unsigned long hsp_pdf;
+
+ hsp_pdf = PDR0(MXC_CCM_PDR0_HSP_PODF_MASK,
+ MXC_CCM_PDR0_HSP_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (hsp_pdf + 1);
+}
+
+static unsigned long usb_get_rate(struct clk *clk)
+{
+ unsigned long usb_pdf, usb_prepdf;
+
+ usb_pdf = PDR1(MXC_CCM_PDR1_USB_PODF_MASK,
+ MXC_CCM_PDR1_USB_PODF_OFFSET);
+ usb_prepdf = PDR1(MXC_CCM_PDR1_USB_PRDF_MASK,
+ MXC_CCM_PDR1_USB_PRDF_OFFSET);
+ return clk_get_rate(clk->parent) / (usb_prepdf + 1) / (usb_pdf + 1);
+}
+
+static unsigned long csi_get_rate(struct clk *clk)
+{
+ u32 reg, pre, post;
+
+ reg = __raw_readl(MXC_CCM_PDR0);
+ pre = (reg & MXC_CCM_PDR0_CSI_PRDF_MASK) >>
+ MXC_CCM_PDR0_CSI_PRDF_OFFSET;
+ pre++;
+ post = (reg & MXC_CCM_PDR0_CSI_PODF_MASK) >>
+ MXC_CCM_PDR0_CSI_PODF_OFFSET;
+ post++;
+ return clk_get_rate(clk->parent) / (pre * post);
+}
+
+static unsigned long csi_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 pre, post, parent = clk_get_rate(clk->parent);
+ u32 div = parent / rate;
+
+ if (parent % rate)
+ div++;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ return parent / (pre * post);
+}
+
+static int csi_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg, div, pre, post, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+
+ if ((parent / div) != rate)
+ return -EINVAL;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ /* Set CSI clock divider */
+ reg = __raw_readl(MXC_CCM_PDR0) &
+ ~(MXC_CCM_PDR0_CSI_PODF_MASK | MXC_CCM_PDR0_CSI_PRDF_MASK);
+ reg |= (post - 1) << MXC_CCM_PDR0_CSI_PODF_OFFSET;
+ reg |= (pre - 1) << MXC_CCM_PDR0_CSI_PRDF_OFFSET;
+ __raw_writel(reg, MXC_CCM_PDR0);
+
+ return 0;
+}
+
+static unsigned long ssi1_get_rate(struct clk *clk)
+{
+ unsigned long ssi1_pdf, ssi1_prepdf;
+
+ ssi1_pdf = PDR1(MXC_CCM_PDR1_SSI1_PODF_MASK,
+ MXC_CCM_PDR1_SSI1_PODF_OFFSET);
+ ssi1_prepdf = PDR1(MXC_CCM_PDR1_SSI1_PRE_PODF_MASK,
+ MXC_CCM_PDR1_SSI1_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ssi1_prepdf + 1) / (ssi1_pdf + 1);
+}
+
+static unsigned long ssi2_get_rate(struct clk *clk)
+{
+ unsigned long ssi2_pdf, ssi2_prepdf;
+
+ ssi2_pdf = PDR1(MXC_CCM_PDR1_SSI2_PODF_MASK,
+ MXC_CCM_PDR1_SSI2_PODF_OFFSET);
+ ssi2_prepdf = PDR1(MXC_CCM_PDR1_SSI2_PRE_PODF_MASK,
+ MXC_CCM_PDR1_SSI2_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (ssi2_prepdf + 1) / (ssi2_pdf + 1);
+}
+
+static unsigned long firi_get_rate(struct clk *clk)
+{
+ unsigned long firi_pdf, firi_prepdf;
+
+ firi_pdf = PDR1(MXC_CCM_PDR1_FIRI_PODF_MASK,
+ MXC_CCM_PDR1_FIRI_PODF_OFFSET);
+ firi_prepdf = PDR1(MXC_CCM_PDR1_FIRI_PRE_PODF_MASK,
+ MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET);
+ return clk_get_rate(clk->parent) / (firi_prepdf + 1) / (firi_pdf + 1);
+}
+
+static unsigned long firi_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 pre, post;
+ u32 parent = clk_get_rate(clk->parent);
+ u32 div = parent / rate;
+
+ if (parent % rate)
+ div++;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ return parent / (pre * post);
+
+}
+
+static int firi_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg, div, pre, post, parent = clk_get_rate(clk->parent);
+
+ div = parent / rate;
+
+ if ((parent / div) != rate)
+ return -EINVAL;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ /* Set FIRI clock divider */
+ reg = __raw_readl(MXC_CCM_PDR1) &
+ ~(MXC_CCM_PDR1_FIRI_PODF_MASK | MXC_CCM_PDR1_FIRI_PRE_PODF_MASK);
+ reg |= (pre - 1) << MXC_CCM_PDR1_FIRI_PRE_PODF_OFFSET;
+ reg |= (post - 1) << MXC_CCM_PDR1_FIRI_PODF_OFFSET;
+ __raw_writel(reg, MXC_CCM_PDR1);
+
+ return 0;
+}
+
+static unsigned long mbx_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / 2;
+}
+
+static unsigned long mstick1_get_rate(struct clk *clk)
+{
+ unsigned long msti_pdf;
+
+ msti_pdf = PDR2(MXC_CCM_PDR2_MST1_PDF_MASK,
+ MXC_CCM_PDR2_MST1_PDF_OFFSET);
+ return clk_get_rate(clk->parent) / (msti_pdf + 1);
+}
+
+static unsigned long mstick2_get_rate(struct clk *clk)
+{
+ unsigned long msti_pdf;
+
+ msti_pdf = PDR2(MXC_CCM_PDR2_MST2_PDF_MASK,
+ MXC_CCM_PDR2_MST2_PDF_OFFSET);
+ return clk_get_rate(clk->parent) / (msti_pdf + 1);
+}
+
+static unsigned long ckih_rate;
+
+static unsigned long clk_ckih_get_rate(struct clk *clk)
+{
+ return ckih_rate;
+}
+
+static struct clk ckih_clk = {
+ .get_rate = clk_ckih_get_rate,
+};
+
+static struct clk mcu_pll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = mcu_pll_get_rate,
+};
+
+static struct clk mcu_main_clk = {
+ .parent = &mcu_pll_clk,
+ .get_rate = mcu_main_get_rate,
+};
+
+static struct clk serial_pll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = serial_pll_get_rate,
+ .enable = serial_pll_enable,
+ .disable = serial_pll_disable,
+};
+
+static struct clk usb_pll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = usb_pll_get_rate,
+ .enable = usb_pll_enable,
+ .disable = usb_pll_disable,
+};
+
+static struct clk ahb_clk = {
+ .parent = &mcu_main_clk,
+ .get_rate = ahb_get_rate,
+};
+
+#define DEFINE_CLOCK(name, i, er, es, gr, s, p) \
+ static struct clk name = { \
+ .id = i, \
+ .enable_reg = er, \
+ .enable_shift = es, \
+ .get_rate = gr, \
+ .enable = cgr_enable, \
+ .disable = cgr_disable, \
+ .secondary = s, \
+ .parent = p, \
+ }
+
+#define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \
+ static struct clk name = { \
+ .id = i, \
+ .enable_reg = er, \
+ .enable_shift = es, \
+ .get_rate = getsetround##_get_rate, \
+ .set_rate = getsetround##_set_rate, \
+ .round_rate = getsetround##_round_rate, \
+ .enable = cgr_enable, \
+ .disable = cgr_disable, \
+ .secondary = s, \
+ .parent = p, \
+ }
+
+DEFINE_CLOCK(perclk_clk, 0, NULL, 0, NULL, NULL, &ipg_clk);
+
+DEFINE_CLOCK(sdhc1_clk, 0, MXC_CCM_CGR0, 0, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(sdhc2_clk, 1, MXC_CCM_CGR0, 2, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CGR0, 4, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(epit1_clk, 0, MXC_CCM_CGR0, 6, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(epit2_clk, 1, MXC_CCM_CGR0, 8, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(iim_clk, 0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(ata_clk, 0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(sdma_clk1, 0, MXC_CCM_CGR0, 14, NULL, &sdma_clk1, &ahb_clk);
+DEFINE_CLOCK(cspi3_clk, 2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(rng_clk, 0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CGR0, 20, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CGR0, 22, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CGR0, 24, ssi1_get_rate, NULL,
&serial_pll_clk);
+DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CGR0, 26, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CGR0, 28, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(i2c3_clk, 2, MXC_CCM_CGR0, 30, NULL, NULL, &perclk_clk);
+
+DEFINE_CLOCK(mpeg4_clk, 0, MXC_CCM_CGR1, 0, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1, 2, mstick1_get_rate, NULL,
&usb_pll_clk);
+DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1, 4, mstick2_get_rate, NULL,
&usb_pll_clk);
+DEFINE_CLOCK1(csi_clk, 0, MXC_CCM_CGR1, 6, csi, NULL, &ahb_clk);
+DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(wdog_clk, 0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(pwm_clk, 0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(usb_clk2, 0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk);
+DEFINE_CLOCK(kpp_clk, 0, MXC_CCM_CGR1, 20, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(ipu_clk, 0, MXC_CCM_CGR1, 22, hsp_get_rate, NULL,
&mcu_main_clk);
+DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CGR1, 24, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CGR1, 26, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CGR1, 28, NULL, NULL, &perclk_clk);
+DEFINE_CLOCK(owire_clk, 0, MXC_CCM_CGR1, 30, NULL, NULL, &perclk_clk);
+
+DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CGR2, 0, ssi2_get_rate, NULL,
&serial_pll_clk);
+DEFINE_CLOCK(cspi1_clk, 0, MXC_CCM_CGR2, 2, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(cspi2_clk, 1, MXC_CCM_CGR2, 4, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(mbx_clk, 0, MXC_CCM_CGR2, 6, mbx_get_rate, NULL, &ahb_clk);
+DEFINE_CLOCK(emi_clk, 0, MXC_CCM_CGR2, 8, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(rtic_clk, 0, MXC_CCM_CGR2, 10, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK1(firi_clk, 0, MXC_CCM_CGR2, 12, firi, NULL, &usb_pll_clk);
+
+DEFINE_CLOCK(sdma_clk2, 0, NULL, 0, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(usb_clk1, 0, NULL, 0, usb_get_rate, NULL,
&usb_pll_clk);
+DEFINE_CLOCK(nfc_clk, 0, NULL, 0, nfc_get_rate, NULL, &ahb_clk);
+DEFINE_CLOCK(scc_clk, 0, NULL, 0, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk);
+
+#define _REGISTER_CLOCK(d, n, c) \
+ { \
+ .dev_id = d, \
+ .con_id = n, \
+ .clk = &c, \
+ },
+
+static struct clk_lookup lookups[] __initdata = {
+ _REGISTER_CLOCK(NULL, "emi", emi_clk)
+ _REGISTER_CLOCK(NULL, "cspi", cspi1_clk)
+ _REGISTER_CLOCK(NULL, "cspi", cspi2_clk)
+ _REGISTER_CLOCK(NULL, "cspi", cspi3_clk)
+ _REGISTER_CLOCK(NULL, "gpt", gpt_clk)
+ _REGISTER_CLOCK(NULL, "pwm", pwm_clk)
+ _REGISTER_CLOCK(NULL, "wdog", wdog_clk)
+ _REGISTER_CLOCK(NULL, "rtc", rtc_clk)
+ _REGISTER_CLOCK(NULL, "epit", epit1_clk)
+ _REGISTER_CLOCK(NULL, "epit", epit2_clk)
+ _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk)
+ _REGISTER_CLOCK("ipu-core", NULL, ipu_clk)
+ _REGISTER_CLOCK("mx3_sdc_fb", NULL, ipu_clk)
+ _REGISTER_CLOCK(NULL, "kpp", kpp_clk)
+ _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk1)
+ _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk2)
+ _REGISTER_CLOCK("mx3-camera.0", "csi", csi_clk)
+ _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk)
+ _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
+ _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
+ _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_clk)
+ _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk)
+ _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk)
+ _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk)
+ _REGISTER_CLOCK(NULL, "ssi", ssi1_clk)
+ _REGISTER_CLOCK(NULL, "ssi", ssi2_clk)
+ _REGISTER_CLOCK(NULL, "firi", firi_clk)
+ _REGISTER_CLOCK(NULL, "ata", ata_clk)
+ _REGISTER_CLOCK(NULL, "rtic", rtic_clk)
+ _REGISTER_CLOCK(NULL, "rng", rng_clk)
+ _REGISTER_CLOCK(NULL, "sdma_ahb", sdma_clk1)
+ _REGISTER_CLOCK(NULL, "sdma_ipg", sdma_clk2)
+ _REGISTER_CLOCK(NULL, "mstick", mstick1_clk)
+ _REGISTER_CLOCK(NULL, "mstick", mstick2_clk)
+ _REGISTER_CLOCK(NULL, "scc", scc_clk)
+ _REGISTER_CLOCK(NULL, "iim", iim_clk)
+ _REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk)
+ _REGISTER_CLOCK(NULL, "mbx", mbx_clk)
+};
+
+int __init mx31_clocks_init(unsigned long fref)
+{
+ u32 reg;
+ int i;
+
+ mxc_set_cpu_type(MXC_CPU_MX31);
+
+ ckih_rate = fref;
+
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
+ clkdev_add(&lookups[i]);
+
+ /* Turn off all possible clocks */
+ __raw_writel((3 << 4), MXC_CCM_CGR0);
+ __raw_writel(0, MXC_CCM_CGR1);
+ __raw_writel((3 << 8) | (3 << 14) | (3 << 16)|
+ 1 << 27 | 1 << 28, /* Bit 27 and 28 are not defined for
+ MX32, but still required to be set */
+ MXC_CCM_CGR2);
+
+ usb_pll_disable(&usb_pll_clk);
+
+ pr_info("Clock input source is %ld\n", clk_get_rate(&ckih_clk));
+
+ clk_enable(&gpt_clk);
+ clk_enable(&emi_clk);
+ clk_enable(&iim_clk);
+
+ clk_enable(&serial_pll_clk);
+
+ if (mx31_revision() >= CHIP_REV_2_0) {
+ reg = __raw_readl(MXC_CCM_PMCR1);
+ /* No PLL restart on DVFS switch; enable auto EMI handshake */
+ reg |= MXC_CCM_PMCR1_PLLRDIS | MXC_CCM_PMCR1_EMIRQ_EN;
+ __raw_writel(reg, MXC_CCM_PMCR1);
+ }
+
+ mxc_timer_init(&ipg_clk);
+
+ return 0;
+}
+
diff -r 30f84934c1b5 -r 59ff539ea946
linux/arch/arm/plat-mxc/include/mach/memory.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux/arch/arm/plat-mxc/include/mach/memory.h Fri Apr 03 15:33:35
2009 +0200
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_MXC_MEMORY_H__
+#define __ASM_ARCH_MXC_MEMORY_H__
+
+#if defined CONFIG_ARCH_MX1
+#define PHYS_OFFSET UL(0x08000000)
+#elif defined CONFIG_ARCH_MX2
+#ifdef CONFIG_MACH_MX21
+#define PHYS_OFFSET UL(0xC0000000)
+#endif
+#ifdef CONFIG_MACH_MX27
+#define PHYS_OFFSET UL(0xA0000000)
+#endif
+#elif defined CONFIG_ARCH_MX3
+#define PHYS_OFFSET UL(0x80000000)
+#define CONSISTENT_DMA_SIZE SZ_8M
+#endif
+
+#endif /* __ASM_ARCH_MXC_MEMORY_H__ */
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/59ff539ea9464f4cfe99da0ed48361135c80ad09
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