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-rw-r--r--arch/arm/mach-mx2/Kconfig20
-rw-r--r--arch/arm/mach-mx2/Makefile4
-rw-r--r--arch/arm/mach-mx2/Makefile.boot10
-rw-r--r--arch/arm/mach-mx2/clock_imx21.c984
-rw-r--r--arch/arm/mach-mx2/clock_imx27.c1656
-rw-r--r--arch/arm/mach-mx2/cpu_imx27.c4
-rw-r--r--arch/arm/mach-mx2/crm_regs.h313
-rw-r--r--arch/arm/mach-mx2/devices.c194
-rw-r--r--arch/arm/mach-mx2/devices.h8
-rw-r--r--arch/arm/mach-mx2/generic.c1
-rw-r--r--arch/arm/mach-mx2/mx27ads.c19
-rw-r--r--arch/arm/mach-mx2/pcm038.c82
-rw-r--r--arch/arm/mach-mx2/pcm970-baseboard.c133
-rw-r--r--arch/arm/mach-mx2/serial.c3
-rw-r--r--arch/arm/mach-mx2/system.c63
15 files changed, 1959 insertions, 1535 deletions
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index 1eaa97cb716..42a788842f4 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -1,14 +1,22 @@
-comment "MX2 family CPU support"
- depends on ARCH_MX2
+if ARCH_MX2
+
+choice
+ prompt "CPUs:"
+ default MACH_MX21
+
+config MACH_MX21
+ bool "i.MX21 support"
+ help
+ This enables support for Freescale's MX2 based i.MX21 processor.
config MACH_MX27
bool "i.MX27 support"
- depends on ARCH_MX2
help
This enables support for Freescale's MX2 based i.MX27 processor.
-comment "MX2 Platforms"
- depends on ARCH_MX2
+endchoice
+
+comment "MX2 platforms:"
config MACH_MX27ADS
bool "MX27ADS platform"
@@ -37,3 +45,5 @@ config MACH_PCM970_BASEBOARD
PCM970 evaluation board.
endchoice
+
+endif
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index 382d86080e8..950649a9154 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -4,7 +4,9 @@
# Object file lists.
-obj-y := system.o generic.o devices.o serial.o
+obj-y := generic.o devices.o serial.o
+
+obj-$(CONFIG_MACH_MX21) += clock_imx21.o
obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
obj-$(CONFIG_MACH_MX27) += clock_imx27.o
diff --git a/arch/arm/mach-mx2/Makefile.boot b/arch/arm/mach-mx2/Makefile.boot
index 696831dcd48..e867398a8fd 100644
--- a/arch/arm/mach-mx2/Makefile.boot
+++ b/arch/arm/mach-mx2/Makefile.boot
@@ -1,3 +1,7 @@
- zreladdr-y := 0xA0008000
-params_phys-y := 0xA0000100
-initrd_phys-y := 0xA0800000
+zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000
+params_phys-$(CONFIG_MACH_MX21) := 0xC0000100
+initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000
+
+zreladdr-$(CONFIG_MACH_MX27) := 0xA0008000
+params_phys-$(CONFIG_MACH_MX27) := 0xA0000100
+initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000
diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c
new file mode 100644
index 00000000000..2dee5c87614
--- /dev/null
+++ b/arch/arm/mach-mx2/clock_imx21.c
@@ -0,0 +1,984 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com
+ *
+ * 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/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+
+#include <mach/clock.h>
+#include <mach/common.h>
+#include <asm/clkdev.h>
+#include <asm/div64.h>
+
+#include "crm_regs.h"
+
+static int _clk_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= 1 << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+ return 0;
+}
+
+static void _clk_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(1 << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static int _clk_spll_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg |= CCM_CSCR_SPEN;
+ __raw_writel(reg, CCM_CSCR);
+
+ while ((__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF) == 0)
+ ;
+ return 0;
+}
+
+static void _clk_spll_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg &= ~CCM_CSCR_SPEN;
+ __raw_writel(reg, CCM_CSCR);
+}
+
+
+#define CSCR() (__raw_readl(CCM_CSCR))
+#define PCDR0() (__raw_readl(CCM_PCDR0))
+#define PCDR1() (__raw_readl(CCM_PCDR1))
+
+static unsigned long _clk_perclkx_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > 64)
+ div = 64;
+
+ return parent_rate / div;
+}
+
+static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg;
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (clk->id < 0 || clk->id > 3)
+ return -EINVAL;
+
+ div = parent_rate / rate;
+ if (div > 64 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+ div--;
+
+ reg =
+ __raw_readl(CCM_PCDR1) & ~(CCM_PCDR1_PERDIV1_MASK <<
+ (clk->id << 3));
+ reg |= div << (clk->id << 3);
+ __raw_writel(reg, CCM_PCDR1);
+
+ return 0;
+}
+
+static unsigned long _clk_usb_recalc(struct clk *clk)
+{
+ unsigned long usb_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ usb_pdf = (CSCR() & CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET;
+
+ return parent_rate / (usb_pdf + 1U);
+}
+
+static unsigned long _clk_ssix_recalc(struct clk *clk, unsigned long pdf)
+{
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */
+
+ return 2UL * parent_rate / pdf;
+}
+
+static unsigned long _clk_ssi1_recalc(struct clk *clk)
+{
+ return _clk_ssix_recalc(clk,
+ (PCDR0() & CCM_PCDR0_SSI1BAUDDIV_MASK)
+ >> CCM_PCDR0_SSI1BAUDDIV_OFFSET);
+}
+
+static unsigned long _clk_ssi2_recalc(struct clk *clk)
+{
+ return _clk_ssix_recalc(clk,
+ (PCDR0() & CCM_PCDR0_SSI2BAUDDIV_MASK) >>
+ CCM_PCDR0_SSI2BAUDDIV_OFFSET);
+}
+
+static unsigned long _clk_nfc_recalc(struct clk *clk)
+{
+ unsigned long nfc_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ nfc_pdf = (PCDR0() & CCM_PCDR0_NFCDIV_MASK)
+ >> CCM_PCDR0_NFCDIV_OFFSET;
+
+ return parent_rate / (nfc_pdf + 1);
+}
+
+static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->round_rate(clk->parent, rate);
+}
+
+static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->set_rate(clk->parent, rate);
+}
+
+static unsigned long external_high_reference; /* in Hz */
+
+static unsigned long get_high_reference_clock_rate(struct clk *clk)
+{
+ return external_high_reference;
+}
+
+/*
+ * the high frequency external clock reference
+ * Default case is 26MHz.
+ */
+static struct clk ckih_clk = {
+ .get_rate = get_high_reference_clock_rate,
+};
+
+static unsigned long external_low_reference; /* in Hz */
+
+static unsigned long get_low_reference_clock_rate(struct clk *clk)
+{
+ return external_low_reference;
+}
+
+/*
+ * the low frequency external clock reference
+ * Default case is 32.768kHz.
+ */
+static struct clk ckil_clk = {
+ .get_rate = get_low_reference_clock_rate,
+};
+
+
+static unsigned long _clk_fpm_recalc(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) * 512;
+}
+
+/* Output of frequency pre multiplier */
+static struct clk fpm_clk = {
+ .parent = &ckil_clk,
+ .get_rate = _clk_fpm_recalc,
+};
+
+static unsigned long get_mpll_clk(struct clk *clk)
+{
+ uint32_t reg;
+ unsigned long ref_clk;
+ unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
+ unsigned long long temp;
+
+ ref_clk = clk_get_rate(clk->parent);
+
+ reg = __raw_readl(CCM_MPCTL0);
+ pdf = (reg & CCM_MPCTL0_PD_MASK) >> CCM_MPCTL0_PD_OFFSET;
+ mfd = (reg & CCM_MPCTL0_MFD_MASK) >> CCM_MPCTL0_MFD_OFFSET;
+ mfi = (reg & CCM_MPCTL0_MFI_MASK) >> CCM_MPCTL0_MFI_OFFSET;
+ mfn = (reg & CCM_MPCTL0_MFN_MASK) >> CCM_MPCTL0_MFN_OFFSET;
+
+ mfi = (mfi <= 5) ? 5 : mfi;
+ temp = 2LL * ref_clk * mfn;
+ do_div(temp, mfd + 1);
+ temp = 2LL * ref_clk * mfi + temp;
+ do_div(temp, pdf + 1);
+
+ return (unsigned long)temp;
+}
+
+static struct clk mpll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = get_mpll_clk,
+};
+
+static unsigned long _clk_fclk_get_rate(struct clk *clk)
+{
+ unsigned long parent_rate;
+ u32 div;
+
+ div = (CSCR() & CCM_CSCR_PRESC_MASK) >> CCM_CSCR_PRESC_OFFSET;
+ parent_rate = clk_get_rate(clk->parent);
+
+ return parent_rate / (div+1);
+}
+
+static struct clk fclk_clk = {
+ .parent = &mpll_clk,
+ .get_rate = _clk_fclk_get_rate
+};
+
+static unsigned long get_spll_clk(struct clk *clk)
+{
+ uint32_t reg;
+ unsigned long ref_clk;
+ unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
+ unsigned long long temp;
+
+ ref_clk = clk_get_rate(clk->parent);
+
+ reg = __raw_readl(CCM_SPCTL0);
+ pdf = (reg & CCM_SPCTL0_PD_MASK) >> CCM_SPCTL0_PD_OFFSET;
+ mfd = (reg & CCM_SPCTL0_MFD_MASK) >> CCM_SPCTL0_MFD_OFFSET;
+ mfi = (reg & CCM_SPCTL0_MFI_MASK) >> CCM_SPCTL0_MFI_OFFSET;
+ mfn = (reg & CCM_SPCTL0_MFN_MASK) >> CCM_SPCTL0_MFN_OFFSET;
+
+ mfi = (mfi <= 5) ? 5 : mfi;
+ temp = 2LL * ref_clk * mfn;
+ do_div(temp, mfd + 1);
+ temp = 2LL * ref_clk * mfi + temp;
+ do_div(temp, pdf + 1);
+
+ return (unsigned long)temp;
+}
+
+static struct clk spll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = get_spll_clk,
+ .enable = _clk_spll_enable,
+ .disable = _clk_spll_disable,
+};
+
+static unsigned long get_hclk_clk(struct clk *clk)
+{
+ unsigned long rate;
+ unsigned long bclk_pdf;
+
+ bclk_pdf = (CSCR() & CCM_CSCR_BCLK_MASK)
+ >> CCM_CSCR_BCLK_OFFSET;
+
+ rate = clk_get_rate(clk->parent);
+ return rate / (bclk_pdf + 1);
+}
+
+static struct clk hclk_clk = {
+ .parent = &fclk_clk,
+ .get_rate = get_hclk_clk,
+};
+
+static unsigned long get_ipg_clk(struct clk *clk)
+{
+ unsigned long rate;
+ unsigned long ipg_pdf;
+
+ ipg_pdf = (CSCR() & CCM_CSCR_IPDIV) >> CCM_CSCR_IPDIV_OFFSET;
+
+ rate = clk_get_rate(clk->parent);
+ return rate / (ipg_pdf + 1);
+}
+
+static struct clk ipg_clk = {
+ .parent = &hclk_clk,
+ .get_rate = get_ipg_clk,
+};
+
+static unsigned long _clk_perclkx_recalc(struct clk *clk)
+{
+ unsigned long perclk_pdf;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (clk->id < 0 || clk->id > 3)
+ return 0;
+
+ perclk_pdf = (PCDR1() >> (clk->id << 3)) & CCM_PCDR1_PERDIV1_MASK;
+
+ return parent_rate / (perclk_pdf + 1);
+}
+
+static struct clk per_clk[] = {
+ {
+ .id = 0,
+ .parent = &mpll_clk,
+ .get_rate = _clk_perclkx_recalc,
+ }, {
+ .id = 1,
+ .parent = &mpll_clk,
+ .get_rate = _clk_perclkx_recalc,
+ }, {
+ .id = 2,
+ .parent = &mpll_clk,
+ .round_rate = _clk_perclkx_round_rate,
+ .set_rate = _clk_perclkx_set_rate,
+ .get_rate = _clk_perclkx_recalc,
+ /* Enable/Disable done via lcd_clkc[1] */
+ }, {
+ .id = 3,
+ .parent = &mpll_clk,
+ .round_rate = _clk_perclkx_round_rate,
+ .set_rate = _clk_perclkx_set_rate,
+ .get_rate = _clk_perclkx_recalc,
+ /* Enable/Disable done via csi_clk[1] */
+ },
+};
+
+static struct clk uart_ipg_clk[];
+
+static struct clk uart_clk[] = {
+ {
+ .id = 0,
+ .parent = &per_clk[0],
+ .secondary = &uart_ipg_clk[0],
+ }, {
+ .id = 1,
+ .parent = &per_clk[0],
+ .secondary = &uart_ipg_clk[1],
+ }, {
+ .id = 2,
+ .parent = &per_clk[0],
+ .secondary = &uart_ipg_clk[2],
+ }, {
+ .id = 3,
+ .parent = &per_clk[0],
+ .secondary = &uart_ipg_clk[3],
+ },
+};
+
+static struct clk uart_ipg_clk[] = {
+ {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_UART1_REG,
+ .enable_shift = CCM_PCCR_UART1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_UART2_REG,
+ .enable_shift = CCM_PCCR_UART2_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_UART3_REG,
+ .enable_shift = CCM_PCCR_UART3_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 3,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_UART4_REG,
+ .enable_shift = CCM_PCCR_UART4_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk gpt_ipg_clk[];
+
+static struct clk gpt_clk[] = {
+ {
+ .id = 0,
+ .parent = &per_clk[0],
+ .secondary = &gpt_ipg_clk[0],
+ }, {
+ .id = 1,
+ .parent = &per_clk[0],
+ .secondary = &gpt_ipg_clk[1],
+ }, {
+ .id = 2,
+ .parent = &per_clk[0],
+ .secondary = &gpt_ipg_clk[2],
+ },
+};
+
+static struct clk gpt_ipg_clk[] = {
+ {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_GPT1_REG,
+ .enable_shift = CCM_PCCR_GPT1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_GPT2_REG,
+ .enable_shift = CCM_PCCR_GPT2_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 2,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_GPT3_REG,
+ .enable_shift = CCM_PCCR_GPT3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk pwm_clk[] = {
+ {
+ .parent = &per_clk[0],
+ .secondary = &pwm_clk[1],
+ }, {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_PWM_REG,
+ .enable_shift = CCM_PCCR_PWM_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk sdhc_ipg_clk[];
+
+static struct clk sdhc_clk[] = {
+ {
+ .id = 0,
+ .parent = &per_clk[1],
+ .secondary = &sdhc_ipg_clk[0],
+ }, {
+ .id = 1,
+ .parent = &per_clk[1],
+ .secondary = &sdhc_ipg_clk[1],
+ },
+};
+
+static struct clk sdhc_ipg_clk[] = {
+ {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SDHC1_REG,
+ .enable_shift = CCM_PCCR_SDHC1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SDHC2_REG,
+ .enable_shift = CCM_PCCR_SDHC2_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk cspi_ipg_clk[];
+
+static struct clk cspi_clk[] = {
+ {
+ .id = 0,
+ .parent = &per_clk[1],
+ .secondary = &cspi_ipg_clk[0],
+ }, {
+ .id = 1,
+ .parent = &per_clk[1],
+ .secondary = &cspi_ipg_clk[1],
+ }, {
+ .id = 2,
+ .parent = &per_clk[1],
+ .secondary = &cspi_ipg_clk[2],
+ },
+};
+
+static struct clk cspi_ipg_clk[] = {
+ {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_CSPI1_REG,
+ .enable_shift = CCM_PCCR_CSPI1_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_CSPI2_REG,
+ .enable_shift = CCM_PCCR_CSPI2_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 3,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_CSPI3_REG,
+ .enable_shift = CCM_PCCR_CSPI3_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk lcdc_clk[] = {
+ {
+ .parent = &per_clk[2],
+ .secondary = &lcdc_clk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ }, {
+ .parent = &ipg_clk,
+ .secondary = &lcdc_clk[2],
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_LCDC_REG,
+ .enable_shift = CCM_PCCR_LCDC_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_LCDC_REG,
+ .enable_shift = CCM_PCCR_HCLK_LCDC_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk csi_clk[] = {
+ {
+ .parent = &per_clk[3],
+ .secondary = &csi_clk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ }, {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_CSI_REG,
+ .enable_shift = CCM_PCCR_HCLK_CSI_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk usb_clk[] = {
+ {
+ .parent = &spll_clk,
+ .get_rate = _clk_usb_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_USBOTG_REG,
+ .enable_shift = CCM_PCCR_USBOTG_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_USBOTG_REG,
+ .enable_shift = CCM_PCCR_HCLK_USBOTG_OFFSET,
+ .disable = _clk_disable,
+ }
+};
+
+static struct clk ssi_ipg_clk[];
+
+static struct clk ssi_clk[] = {
+ {
+ .id = 0,
+ .parent = &mpll_clk,
+ .secondary = &ssi_ipg_clk[0],
+ .get_rate = _clk_ssi1_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SSI1_BAUD_REG,
+ .enable_shift = CCM_PCCR_SSI1_BAUD_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &mpll_clk,
+ .secondary = &ssi_ipg_clk[1],
+ .get_rate = _clk_ssi2_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SSI2_BAUD_REG,
+ .enable_shift = CCM_PCCR_SSI2_BAUD_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk ssi_ipg_clk[] = {
+ {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SSI1_REG,
+ .enable_shift = CCM_PCCR_SSI1_IPG_OFFSET,
+ .disable = _clk_disable,
+ }, {
+ .id = 1,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SSI2_REG,
+ .enable_shift = CCM_PCCR_SSI2_IPG_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+
+static struct clk nfc_clk = {
+ .parent = &fclk_clk,
+ .get_rate = _clk_nfc_recalc,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_NFC_REG,
+ .enable_shift = CCM_PCCR_NFC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk dma_clk[] = {
+ {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_DMA_REG,
+ .enable_shift = CCM_PCCR_DMA_OFFSET,
+ .disable = _clk_disable,
+ .secondary = &dma_clk[1],
+ }, {
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_DMA_REG,
+ .enable_shift = CCM_PCCR_HCLK_DMA_OFFSET,
+ .disable = _clk_disable,
+ },
+};
+
+static struct clk brom_clk = {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_BROM_REG,
+ .enable_shift = CCM_PCCR_HCLK_BROM_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk emma_clk[] = {
+ {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_EMMA_REG,
+ .enable_shift = CCM_PCCR_EMMA_OFFSET,
+ .disable = _clk_disable,
+ .secondary = &emma_clk[1],
+ }, {
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_EMMA_REG,
+ .enable_shift = CCM_PCCR_HCLK_EMMA_OFFSET,
+ .disable = _clk_disable,
+ }
+};
+
+static struct clk slcdc_clk[] = {
+ {
+ .parent = &hclk_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_SLCDC_REG,
+ .enable_shift = CCM_PCCR_SLCDC_OFFSET,
+ .disable = _clk_disable,
+ .secondary = &slcdc_clk[1],
+ }, {
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_HCLK_SLCDC_REG,
+ .enable_shift = CCM_PCCR_HCLK_SLCDC_OFFSET,
+ .disable = _clk_disable,
+ }
+};
+
+static struct clk wdog_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_WDT_REG,
+ .enable_shift = CCM_PCCR_WDT_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk gpio_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_GPIO_REG,
+ .enable_shift = CCM_PCCR_GPIO_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk i2c_clk = {
+ .id = 0,
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_I2C1_REG,
+ .enable_shift = CCM_PCCR_I2C1_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk kpp_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_KPP_REG,
+ .enable_shift = CCM_PCCR_KPP_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk owire_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_OWIRE_REG,
+ .enable_shift = CCM_PCCR_OWIRE_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk rtc_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_enable,
+ .enable_reg = CCM_PCCR_RTC_REG,
+ .enable_shift = CCM_PCCR_RTC_OFFSET,
+ .disable = _clk_disable,
+};
+
+static unsigned long _clk_clko_round_rate(struct clk *clk, unsigned long rate)
+{
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > 8)
+ div = 8;
+
+ return parent_rate / div;
+}
+
+static int _clk_clko_set_rate(struct clk *clk, unsigned long rate)
+{
+ u32 reg;
+ u32 div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 8 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+ div--;
+
+ reg = __raw_readl(CCM_PCDR0);
+
+ if (clk->parent == &usb_clk[0]) {
+ reg &= ~CCM_PCDR0_48MDIV_MASK;
+ reg |= div << CCM_PCDR0_48MDIV_OFFSET;
+ }
+ __raw_writel(reg, CCM_PCDR0);
+
+ return 0;
+}
+
+static unsigned long _clk_clko_recalc(struct clk *clk)
+{
+ u32 div = 0;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ if (clk->parent == &usb_clk[0]) /* 48M */
+ div = __raw_readl(CCM_PCDR0) & CCM_PCDR0_48MDIV_MASK
+ >> CCM_PCDR0_48MDIV_OFFSET;
+ div++;
+
+ return parent_rate / div;
+}
+
+static struct clk clko_clk;
+
+static int _clk_clko_set_parent(struct clk *clk, struct clk *parent)
+{
+ u32 reg;
+
+ reg = __raw_readl(CCM_CCSR) & ~CCM_CCSR_CLKOSEL_MASK;
+
+ if (parent == &ckil_clk)
+ reg |= 0 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &fpm_clk)
+ reg |= 1 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ckih_clk)
+ reg |= 2 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == mpll_clk.parent)
+ reg |= 3 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == spll_clk.parent)
+ reg |= 4 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &mpll_clk)
+ reg |= 5 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &spll_clk)
+ reg |= 6 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &fclk_clk)
+ reg |= 7 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &hclk_clk)
+ reg |= 8 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ipg_clk)
+ reg |= 9 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[0])
+ reg |= 0xA << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[1])
+ reg |= 0xB << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[2])
+ reg |= 0xC << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &per_clk[3])
+ reg |= 0xD << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ssi_clk[0])
+ reg |= 0xE << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &ssi_clk[1])
+ reg |= 0xF << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &nfc_clk)
+ reg |= 0x10 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &usb_clk[0])
+ reg |= 0x14 << CCM_CCSR_CLKOSEL_OFFSET;
+ else if (parent == &clko_clk)
+ reg |= 0x15 << CCM_CCSR_CLKOSEL_OFFSET;
+ else
+ return -EINVAL;
+
+ __raw_writel(reg, CCM_CCSR);
+
+ return 0;
+}
+
+static struct clk clko_clk = {
+ .get_rate = _clk_clko_recalc,
+ .set_rate = _clk_clko_set_rate,
+ .round_rate = _clk_clko_round_rate,
+ .set_parent = _clk_clko_set_parent,
+};
+
+
+#define _REGISTER_CLOCK(d, n, c) \
+ { \
+ .dev_id = d, \
+ .con_id = n, \
+ .clk = &c, \
+ },
+static struct clk_lookup lookups[] __initdata = {
+/* It's unlikely that any driver wants one of them directly:
+ _REGISTER_CLOCK(NULL, "ckih", ckih_clk)
+ _REGISTER_CLOCK(NULL, "ckil", ckil_clk)
+ _REGISTER_CLOCK(NULL, "fpm", fpm_clk)
+ _REGISTER_CLOCK(NULL, "mpll", mpll_clk)
+ _REGISTER_CLOCK(NULL, "spll", spll_clk)
+ _REGISTER_CLOCK(NULL, "fclk", fclk_clk)
+ _REGISTER_CLOCK(NULL, "hclk", hclk_clk)
+ _REGISTER_CLOCK(NULL, "ipg", ipg_clk)
+*/
+ _REGISTER_CLOCK(NULL, "perclk1", per_clk[0])
+ _REGISTER_CLOCK(NULL, "perclk2", per_clk[1])
+ _REGISTER_CLOCK(NULL, "perclk3", per_clk[2])
+ _REGISTER_CLOCK(NULL, "perclk4", per_clk[3])
+ _REGISTER_CLOCK(NULL, "clko", clko_clk)
+ _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk[0])
+ _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk[1])
+ _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk[2])
+ _REGISTER_CLOCK("imx-uart.3", NULL, uart_clk[3])
+ _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[0])
+ _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[1])
+ _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[2])
+ _REGISTER_CLOCK(NULL, "pwm", pwm_clk[0])
+ _REGISTER_CLOCK(NULL, "sdhc1", sdhc_clk[0])
+ _REGISTER_CLOCK(NULL, "sdhc2", sdhc_clk[1])
+ _REGISTER_CLOCK(NULL, "cspi1", cspi_clk[0])
+ _REGISTER_CLOCK(NULL, "cspi2", cspi_clk[1])
+ _REGISTER_CLOCK(NULL, "cspi3", cspi_clk[2])
+ _REGISTER_CLOCK(NULL, "lcdc", lcdc_clk[0])
+ _REGISTER_CLOCK(NULL, "csi", csi_clk[0])
+ _REGISTER_CLOCK(NULL, "usb", usb_clk[0])
+ _REGISTER_CLOCK(NULL, "ssi1", ssi_clk[0])
+ _REGISTER_CLOCK(NULL, "ssi2", ssi_clk[1])
+ _REGISTER_CLOCK(NULL, "nfc", nfc_clk)
+ _REGISTER_CLOCK(NULL, "dma", dma_clk[0])
+ _REGISTER_CLOCK(NULL, "brom", brom_clk)
+ _REGISTER_CLOCK(NULL, "emma", emma_clk[0])
+ _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk[0])
+ _REGISTER_CLOCK(NULL, "wdog", wdog_clk)
+ _REGISTER_CLOCK(NULL, "gpio", gpio_clk)
+ _REGISTER_CLOCK(NULL, "i2c", i2c_clk)
+ _REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk)
+ _REGISTER_CLOCK(NULL, "owire", owire_clk)
+ _REGISTER_CLOCK(NULL, "rtc", rtc_clk)
+};
+
+/*
+ * must be called very early to get information about the
+ * available clock rate when the timer framework starts
+ */
+int __init mx21_clocks_init(unsigned long lref, unsigned long href)
+{
+ int i;
+ u32 cscr;
+
+ external_low_reference = lref;
+ external_high_reference = href;
+
+ /* detect clock reference for both system PLL */
+ cscr = CSCR();
+ if (cscr & CCM_CSCR_MCU)
+ mpll_clk.parent = &ckih_clk;
+ else
+ mpll_clk.parent = &fpm_clk;
+
+ if (cscr & CCM_CSCR_SP)
+ spll_clk.parent = &ckih_clk;
+ else
+ spll_clk.parent = &fpm_clk;
+
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
+ clkdev_add(&lookups[i]);
+
+ /* Turn off all clock gates */
+ __raw_writel(0, CCM_PCCR0);
+ __raw_writel(CCM_PCCR_GPT1_MASK, CCM_PCCR1);
+
+ /* This turns of the serial PLL as well */
+ spll_clk.disable(&spll_clk);
+
+ /* This will propagate to all children and init all the clock rates. */
+ clk_enable(&per_clk[0]);
+ clk_enable(&gpio_clk);
+
+#ifdef CONFIG_DEBUG_LL_CONSOLE
+ clk_enable(&uart_clk[0]);
+#endif
+
+ mxc_timer_init(&gpt_clk[0]);
+ return 0;
+}
diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c
index c69896d011a..3f7280c490f 100644
--- a/arch/arm/mach-mx2/clock_imx27.c
+++ b/arch/arm/mach-mx2/clock_imx27.c
@@ -1,6 +1,7 @@
/*
* Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -20,23 +21,60 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <mach/clock.h>
-#include <mach/common.h>
+#include <asm/clkdev.h>
#include <asm/div64.h>
-#include "crm_regs.h"
-
-static struct clk ckil_clk;
-static struct clk mpll_clk;
-static struct clk mpll_main_clk[];
-static struct clk spll_clk;
-
-static int _clk_enable(struct clk *clk)
+#include <mach/clock.h>
+#include <mach/common.h>
+#include <mach/hardware.h>
+
+/* Register offsets */
+#define CCM_CSCR (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
+#define CCM_MPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
+#define CCM_MPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
+#define CCM_SPCTL0 (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
+#define CCM_SPCTL1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
+#define CCM_OSC26MCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
+#define CCM_PCDR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
+#define CCM_PCDR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
+#define CCM_PCCR0 (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
+#define CCM_PCCR1 (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
+#define CCM_CCSR (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
+#define CCM_PMCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
+#define CCM_PMCOUNT (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
+#define CCM_WKGDCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
+
+#define CCM_CSCR_UPDATE_DIS (1 << 31)
+#define CCM_CSCR_SSI2 (1 << 23)
+#define CCM_CSCR_SSI1 (1 << 22)
+#define CCM_CSCR_VPU (1 << 21)
+#define CCM_CSCR_MSHC (1 << 20)
+#define CCM_CSCR_SPLLRES (1 << 19)
+#define CCM_CSCR_MPLLRES (1 << 18)
+#define CCM_CSCR_SP (1 << 17)
+#define CCM_CSCR_MCU (1 << 16)
+#define CCM_CSCR_OSC26MDIV (1 << 4)
+#define CCM_CSCR_OSC26M (1 << 3)
+#define CCM_CSCR_FPM (1 << 2)
+#define CCM_CSCR_SPEN (1 << 1)
+#define CCM_CSCR_MPEN (1 << 0)
+
+/* i.MX27 TO 2+ */
+#define CCM_CSCR_ARM_SRC (1 << 15)
+
+#define CCM_SPCTL1_LF (1 << 15)
+#define CCM_SPCTL1_BRMO (1 << 6)
+
+static struct clk mpll_main1_clk, mpll_main2_clk;
+
+static int clk_pccr_enable(struct clk *clk)
{
unsigned long reg;
+ if (!clk->enable_reg)
+ return 0;
+
reg = __raw_readl(clk->enable_reg);
reg |= 1 << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
@@ -44,16 +82,19 @@ static int _clk_enable(struct clk *clk)
return 0;
}
-static void _clk_disable(struct clk *clk)
+static void clk_pccr_disable(struct clk *clk)
{
unsigned long reg;
+ if (!clk->enable_reg)
+ return;
+
reg = __raw_readl(clk->enable_reg);
reg &= ~(1 << clk->enable_shift);
__raw_writel(reg, clk->enable_reg);
}
-static int _clk_spll_enable(struct clk *clk)
+static int clk_spll_enable(struct clk *clk)
{
unsigned long reg;
@@ -61,13 +102,12 @@ static int _clk_spll_enable(struct clk *clk)
reg |= CCM_CSCR_SPEN;
__raw_writel(reg, CCM_CSCR);
- while ((__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF) == 0)
- ;
+ while (!(__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF));
return 0;
}
-static void _clk_spll_disable(struct clk *clk)
+static void clk_spll_disable(struct clk *clk)
{
unsigned long reg;
@@ -76,192 +116,30 @@ static void _clk_spll_disable(struct clk *clk)
__raw_writel(reg, CCM_CSCR);
}
-static void _clk_pccr01_enable(unsigned long mask0, unsigned long mask1)
-{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR0);
- reg |= mask0;
- __raw_writel(reg, CCM_PCCR0);
-
- reg = __raw_readl(CCM_PCCR1);
- reg |= mask1;
- __raw_writel(reg, CCM_PCCR1);
-
-}
-
-static void _clk_pccr01_disable(unsigned long mask0, unsigned long mask1)
-{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR0);
- reg &= ~mask0;
- __raw_writel(reg, CCM_PCCR0);
-
- reg = __raw_readl(CCM_PCCR1);
- reg &= ~mask1;
- __raw_writel(reg, CCM_PCCR1);
-}
-
-static void _clk_pccr10_enable(unsigned long mask1, unsigned long mask0)
-{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR1);
- reg |= mask1;
- __raw_writel(reg, CCM_PCCR1);
-
- reg = __raw_readl(CCM_PCCR0);
- reg |= mask0;
- __raw_writel(reg, CCM_PCCR0);
-}
-
-static void _clk_pccr10_disable(unsigned long mask1, unsigned long mask0)
-{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR1);
- reg &= ~mask1;
- __raw_writel(reg, CCM_PCCR1);
-
- reg = __raw_readl(CCM_PCCR0);
- reg &= ~mask0;
- __raw_writel(reg, CCM_PCCR0);
-}
-
-static int _clk_dma_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_DMA_MASK, CCM_PCCR1_HCLK_DMA_MASK);
-
- return 0;
-}
-
-static void _clk_dma_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_DMA_MASK, CCM_PCCR1_HCLK_DMA_MASK);
-}
-
-static int _clk_rtic_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_RTIC_MASK, CCM_PCCR1_HCLK_RTIC_MASK);
-
- return 0;
-}
-
-static void _clk_rtic_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_RTIC_MASK, CCM_PCCR1_HCLK_RTIC_MASK);
-}
-
-static int _clk_emma_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_EMMA_MASK, CCM_PCCR1_HCLK_EMMA_MASK);
-
- return 0;
-}
-
-static void _clk_emma_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_EMMA_MASK, CCM_PCCR1_HCLK_EMMA_MASK);
-}
-
-static int _clk_slcdc_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_SLCDC_MASK, CCM_PCCR1_HCLK_SLCDC_MASK);
-
- return 0;
-}
-
-static void _clk_slcdc_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_SLCDC_MASK, CCM_PCCR1_HCLK_SLCDC_MASK);
-}
-
-static int _clk_fec_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_FEC_MASK, CCM_PCCR1_HCLK_FEC_MASK);
-
- return 0;
-}
-
-static void _clk_fec_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_FEC_MASK, CCM_PCCR1_HCLK_FEC_MASK);
-}
-
-static int _clk_vpu_enable(struct clk *clk)
-{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR1);
- reg |= CCM_PCCR1_VPU_BAUD_MASK | CCM_PCCR1_HCLK_VPU_MASK;
- __raw_writel(reg, CCM_PCCR1);
-
- return 0;
-}
-
-static void _clk_vpu_disable(struct clk *clk)
+static int clk_cpu_set_parent(struct clk *clk, struct clk *parent)
{
- unsigned long reg;
-
- reg = __raw_readl(CCM_PCCR1);
- reg &= ~(CCM_PCCR1_VPU_BAUD_MASK | CCM_PCCR1_HCLK_VPU_MASK);
- __raw_writel(reg, CCM_PCCR1);
-}
-
-static int _clk_sahara2_enable(struct clk *clk)
-{
- _clk_pccr01_enable(CCM_PCCR0_SAHARA_MASK, CCM_PCCR1_HCLK_SAHARA_MASK);
-
- return 0;
-}
-
-static void _clk_sahara2_disable(struct clk *clk)
-{
- _clk_pccr01_disable(CCM_PCCR0_SAHARA_MASK, CCM_PCCR1_HCLK_SAHARA_MASK);
-}
-
-static int _clk_mstick1_enable(struct clk *clk)
-{
- _clk_pccr10_enable(CCM_PCCR1_MSHC_BAUD_MASK, CCM_PCCR0_MSHC_MASK);
-
- return 0;
-}
-
-static void _clk_mstick1_disable(struct clk *clk)
-{
- _clk_pccr10_disable(CCM_PCCR1_MSHC_BAUD_MASK, CCM_PCCR0_MSHC_MASK);
-}
-
-#define CSCR() (__raw_readl(CCM_CSCR))
-#define PCDR0() (__raw_readl(CCM_PCDR0))
-#define PCDR1() (__raw_readl(CCM_PCDR1))
-
-static int _clk_cpu_set_parent(struct clk *clk, struct clk *parent)
-{
- int cscr = CSCR();
+ int cscr = __raw_readl(CCM_CSCR);
if (clk->parent == parent)
return 0;
if (mx27_revision() >= CHIP_REV_2_0) {
- if (parent == &mpll_main_clk[0]) {
+ if (parent == &mpll_main1_clk) {
cscr |= CCM_CSCR_ARM_SRC;
} else {
- if (parent == &mpll_main_clk[1])
+ if (parent == &mpll_main2_clk)
cscr &= ~CCM_CSCR_ARM_SRC;
else
return -EINVAL;
}
__raw_writel(cscr, CCM_CSCR);
- } else
- return -ENODEV;
-
- clk->parent = parent;
- return 0;
+ clk->parent = parent;
+ return 0;
+ }
+ return -ENODEV;
}
-static unsigned long _clk_cpu_round_rate(struct clk *clk, unsigned long rate)
+static unsigned long round_rate_cpu(struct clk *clk, unsigned long rate)
{
int div;
unsigned long parent_rate;
@@ -278,7 +156,7 @@ static unsigned long _clk_cpu_round_rate(struct clk *clk, unsigned long rate)
return parent_rate / div;
}
-static int _clk_cpu_set_rate(struct clk *clk, unsigned long rate)
+static int set_rate_cpu(struct clk *clk, unsigned long rate)
{
unsigned int div;
uint32_t reg;
@@ -295,19 +173,18 @@ static int _clk_cpu_set_rate(struct clk *clk, unsigned long rate)
reg = __raw_readl(CCM_CSCR);
if (mx27_revision() >= CHIP_REV_2_0) {
- reg &= ~CCM_CSCR_ARM_MASK;
- reg |= div << CCM_CSCR_ARM_OFFSET;
- reg &= ~0x06;
- __raw_writel(reg | 0x80000000, CCM_CSCR);
+ reg &= ~(3 << 12);
+ reg |= div << 12;
+ reg &= ~(CCM_CSCR_FPM | CCM_CSCR_SPEN);
+ __raw_writel(reg | CCM_CSCR_UPDATE_DIS, CCM_CSCR);
} else {
- printk(KERN_ERR "Cant set CPU frequency!\n");
+ printk(KERN_ERR "Can't set CPU frequency!\n");
}
return 0;
}
-static unsigned long _clk_perclkx_round_rate(struct clk *clk,
- unsigned long rate)
+static unsigned long round_rate_per(struct clk *clk, unsigned long rate)
{
u32 div;
unsigned long parent_rate;
@@ -324,7 +201,7 @@ static unsigned long _clk_perclkx_round_rate(struct clk *clk,
return parent_rate / div;
}
-static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate)
+static int set_rate_per(struct clk *clk, unsigned long rate)
{
u32 reg;
u32 div;
@@ -340,84 +217,65 @@ static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate)
return -EINVAL;
div--;
- reg =
- __raw_readl(CCM_PCDR1) & ~(CCM_PCDR1_PERDIV1_MASK <<
- (clk->id << 3));
+ reg = __raw_readl(CCM_PCDR1) & ~(0x3f << (clk->id << 3));
reg |= div << (clk->id << 3);
__raw_writel(reg, CCM_PCDR1);
return 0;
}
-static unsigned long _clk_usb_recalc(struct clk *clk)
+static unsigned long get_rate_usb(struct clk *clk)
{
unsigned long usb_pdf;
unsigned long parent_rate;
parent_rate = clk_get_rate(clk->parent);
- usb_pdf = (CSCR() & CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET;
+ usb_pdf = (__raw_readl(CCM_CSCR) >> 28) & 0x7;
return parent_rate / (usb_pdf + 1U);
}
-static unsigned long _clk_ssi1_recalc(struct clk *clk)
+static unsigned long get_rate_ssix(struct clk *clk, unsigned long pdf)
{
- unsigned long ssi1_pdf;
unsigned long parent_rate;
parent_rate = clk_get_rate(clk->parent);
- ssi1_pdf = (PCDR0() & CCM_PCDR0_SSI1BAUDDIV_MASK) >>
- CCM_PCDR0_SSI1BAUDDIV_OFFSET;
-
if (mx27_revision() >= CHIP_REV_2_0)
- ssi1_pdf += 4;
+ pdf += 4; /* MX27 TO2+ */
else
- ssi1_pdf = (ssi1_pdf < 2) ? 124UL : ssi1_pdf;
+ pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */
- return 2UL * parent_rate / ssi1_pdf;
+ return 2UL * parent_rate / pdf;
}
-static unsigned long _clk_ssi2_recalc(struct clk *clk)
+static unsigned long get_rate_ssi1(struct clk *clk)
{
- unsigned long ssi2_pdf;
- unsigned long parent_rate;
-
- parent_rate = clk_get_rate(clk->parent);
-
- ssi2_pdf = (PCDR0() & CCM_PCDR0_SSI2BAUDDIV_MASK) >>
- CCM_PCDR0_SSI2BAUDDIV_OFFSET;
-
- if (mx27_revision() >= CHIP_REV_2_0)
- ssi2_pdf += 4;
- else
- ssi2_pdf = (ssi2_pdf < 2) ? 124UL : ssi2_pdf;
+ return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 16) & 0x3f);
+}
- return 2UL * parent_rate / ssi2_pdf;
+static unsigned long get_rate_ssi2(struct clk *clk)
+{
+ return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 26) & 0x3f);
}
-static unsigned long _clk_nfc_recalc(struct clk *clk)
+static unsigned long get_rate_nfc(struct clk *clk)
{
unsigned long nfc_pdf;
unsigned long parent_rate;
parent_rate = clk_get_rate(clk->parent);
- if (mx27_revision() >= CHIP_REV_2_0) {
- nfc_pdf =
- (PCDR0() & CCM_PCDR0_NFCDIV2_MASK) >>
- CCM_PCDR0_NFCDIV2_OFFSET;
- } else {
- nfc_pdf =
- (PCDR0() & CCM_PCDR0_NFCDIV_MASK) >>
- CCM_PCDR0_NFCDIV_OFFSET;
- }
+ if (mx27_revision() >= CHIP_REV_2_0)
+ nfc_pdf = (__raw_readl(CCM_PCDR0) >> 6) & 0xf;
+ else
+ nfc_pdf = (__raw_readl(CCM_PCDR0) >> 12) & 0xf;
return parent_rate / (nfc_pdf + 1);
}
-static unsigned long _clk_vpu_recalc(struct clk *clk)
+static unsigned long get_rate_vpu(struct clk *clk)
{
unsigned long vpu_pdf;
unsigned long parent_rate;
@@ -425,25 +283,27 @@ static unsigned long _clk_vpu_recalc(struct clk *clk)
parent_rate = clk_get_rate(clk->parent);
if (mx27_revision() >= CHIP_REV_2_0) {
- vpu_pdf =
- (PCDR0() & CCM_PCDR0_VPUDIV2_MASK) >>
- CCM_PCDR0_VPUDIV2_OFFSET;
+ vpu_pdf = (__raw_readl(CCM_PCDR0) >> 10) & 0x3f;
vpu_pdf += 4;
} else {
- vpu_pdf =
- (PCDR0() & CCM_PCDR0_VPUDIV_MASK) >>
- CCM_PCDR0_VPUDIV_OFFSET;
+ vpu_pdf = (__raw_readl(CCM_PCDR0) >> 8) & 0xf;
vpu_pdf = (vpu_pdf < 2) ? 124 : vpu_pdf;
}
+
return 2UL * parent_rate / vpu_pdf;
}
-static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate)
+static unsigned long round_rate_parent(struct clk *clk, unsigned long rate)
{
return clk->parent->round_rate(clk->parent, rate);
}
-static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
+static unsigned long get_rate_parent(struct clk *clk)
+{
+ return clk_get_rate(clk->parent);
+}
+
+static int set_rate_parent(struct clk *clk, unsigned long rate)
{
return clk->parent->set_rate(clk->parent, rate);
}
@@ -451,1112 +311,380 @@ static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
/* in Hz */
static unsigned long external_high_reference = 26000000;
-static unsigned long get_high_reference_clock_rate(struct clk *clk)
+static unsigned long get_rate_high_reference(struct clk *clk)
{
return external_high_reference;
}
-/*
- * the high frequency external clock reference
- * Default case is 26MHz. Could be changed at runtime
- * with a call to change_external_high_reference()
- */
-static struct clk ckih_clk = {
- .name = "ckih",
- .get_rate = get_high_reference_clock_rate,
-};
-
/* in Hz */
static unsigned long external_low_reference = 32768;
-static unsigned long get_low_reference_clock_rate(struct clk *clk)
+static unsigned long get_rate_low_reference(struct clk *clk)
{
return external_low_reference;
}
-/*
- * the low frequency external clock reference
- * Default case is 32.768kHz Could be changed at runtime
- * with a call to change_external_low_reference()
- */
-static struct clk ckil_clk = {
- .name = "ckil",
- .get_rate = get_low_reference_clock_rate,
-};
-
-static unsigned long get_mpll_clk(struct clk *clk)
+static unsigned long get_rate_fpm(struct clk *clk)
{
- uint32_t reg;
- unsigned long ref_clk;
- unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
- unsigned long long temp;
-
- ref_clk = clk_get_rate(clk->parent);
-
- reg = __raw_readl(CCM_MPCTL0);
- pdf = (reg & CCM_MPCTL0_PD_MASK) >> CCM_MPCTL0_PD_OFFSET;
- mfd = (reg & CCM_MPCTL0_MFD_MASK) >> CCM_MPCTL0_MFD_OFFSET;
- mfi = (reg & CCM_MPCTL0_MFI_MASK) >> CCM_MPCTL0_MFI_OFFSET;
- mfn = (reg & CCM_MPCTL0_MFN_MASK) >> CCM_MPCTL0_MFN_OFFSET;
-
- mfi = (mfi <= 5) ? 5 : mfi;
- temp = 2LL * ref_clk * mfn;
- do_div(temp, mfd + 1);
- temp = 2LL * ref_clk * mfi + temp;
- do_div(temp, pdf + 1);
-
- return (unsigned long)temp;
+ return clk_get_rate(clk->parent) * 1024;
}
-static struct clk mpll_clk = {
- .name = "mpll",
- .parent = &ckih_clk,
- .get_rate = get_mpll_clk,
-};
+static unsigned long get_rate_mpll(struct clk *clk)
+{
+ return mxc_decode_pll(__raw_readl(CCM_MPCTL0),
+ clk_get_rate(clk->parent));
+}
-static unsigned long _clk_mpll_main_get_rate(struct clk *clk)
+static unsigned long get_rate_mpll_main(struct clk *clk)
{
unsigned long parent_rate;
parent_rate = clk_get_rate(clk->parent);
/* i.MX27 TO2:
- * clk->id == 0: arm clock source path 1 which is from 2*MPLL/DIV_2
- * clk->id == 1: arm clock source path 2 which is from 2*MPLL/DIV_3
+ * clk->id == 0: arm clock source path 1 which is from 2 * MPLL / 2
+ * clk->id == 1: arm clock source path 2 which is from 2 * MPLL / 3
*/
-
if (mx27_revision() >= CHIP_REV_2_0 && clk->id == 1)
return 2UL * parent_rate / 3UL;
return parent_rate;
}
-static struct clk mpll_main_clk[] = {
- {
- /* For i.MX27 TO2, it is the MPLL path 1 of ARM core
- * It provide the clock source whose rate is same as MPLL
- */
- .name = "mpll_main",
- .id = 0,
- .parent = &mpll_clk,
- .get_rate = _clk_mpll_main_get_rate
- }, {
- /* For i.MX27 TO2, it is the MPLL path 2 of ARM core
- * It provide the clock source whose rate is same MPLL * 2/3
- */
- .name = "mpll_main",
- .id = 1,
- .parent = &mpll_clk,
- .get_rate = _clk_mpll_main_get_rate
- }
-};
-
-static unsigned long get_spll_clk(struct clk *clk)
+static unsigned long get_rate_spll(struct clk *clk)
{
uint32_t reg;
- unsigned long ref_clk;
- unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0;
- unsigned long long temp;
+ unsigned long rate;
- ref_clk = clk_get_rate(clk->parent);
+ rate = clk_get_rate(clk->parent);
reg = __raw_readl(CCM_SPCTL0);
- /*TODO: This is TO2 Bug */
+
+ /* On TO2 we have to write the value back. Otherwise we
+ * read 0 from this register the next time.
+ */
if (mx27_revision() >= CHIP_REV_2_0)
__raw_writel(reg, CCM_SPCTL0);
- pdf = (reg & CCM_SPCTL0_PD_MASK) >> CCM_SPCTL0_PD_OFFSET;
- mfd = (reg & CCM_SPCTL0_MFD_MASK) >> CCM_SPCTL0_MFD_OFFSET;
- mfi = (reg & CCM_SPCTL0_MFI_MASK) >> CCM_SPCTL0_MFI_OFFSET;
- mfn = (reg & CCM_SPCTL0_MFN_MASK) >> CCM_SPCTL0_MFN_OFFSET;
-
- mfi = (mfi <= 5) ? 5 : mfi;
- temp = 2LL * ref_clk * mfn;
- do_div(temp, mfd + 1);
- temp = 2LL * ref_clk * mfi + temp;
- do_div(temp, pdf + 1);
-
- return (unsigned long)temp;
+ return mxc_decode_pll(reg, rate);
}
-static struct clk spll_clk = {
- .name = "spll",
- .parent = &ckih_clk,
- .get_rate = get_spll_clk,
- .enable = _clk_spll_enable,
- .disable = _clk_spll_disable,
-};
-
-static unsigned long get_cpu_clk(struct clk *clk)
+static unsigned long get_rate_cpu(struct clk *clk)
{
u32 div;
unsigned long rate;
if (mx27_revision() >= CHIP_REV_2_0)
- div = (CSCR() & CCM_CSCR_ARM_MASK) >> CCM_CSCR_ARM_OFFSET;
+ div = (__raw_readl(CCM_CSCR) >> 12) & 0x3;
else
- div = (CSCR() & CCM_CSCR_PRESC_MASK) >> CCM_CSCR_PRESC_OFFSET;
+ div = (__raw_readl(CCM_CSCR) >> 13) & 0x7;
rate = clk_get_rate(clk->parent);
return rate / (div + 1);
}
-static struct clk cpu_clk = {
- .name = "cpu_clk",
- .parent = &mpll_main_clk[1],
- .set_parent = _clk_cpu_set_parent,
- .round_rate = _clk_cpu_round_rate,
- .get_rate = get_cpu_clk,
- .set_rate = _clk_cpu_set_rate,
-};
-
-static unsigned long get_ahb_clk(struct clk *clk)
+static unsigned long get_rate_ahb(struct clk *clk)
{
- unsigned long rate;
- unsigned long bclk_pdf;
+ unsigned long rate, bclk_pdf;
if (mx27_revision() >= CHIP_REV_2_0)
- bclk_pdf = (CSCR() & CCM_CSCR_AHB_MASK)
- >> CCM_CSCR_AHB_OFFSET;
+ bclk_pdf = (__raw_readl(CCM_CSCR) >> 8) & 0x3;
else
- bclk_pdf = (CSCR() & CCM_CSCR_BCLK_MASK)
- >> CCM_CSCR_BCLK_OFFSET;
+ bclk_pdf = (__raw_readl(CCM_CSCR) >> 9) & 0xf;
rate = clk_get_rate(clk->parent);
return rate / (bclk_pdf + 1);
}
-static struct clk ahb_clk = {
- .name = "ahb_clk",
- .parent = &mpll_main_clk[1],
- .get_rate = get_ahb_clk,
-};
-
-static unsigned long get_ipg_clk(struct clk *clk)
+static unsigned long get_rate_ipg(struct clk *clk)
{
- unsigned long rate;
- unsigned long ipg_pdf;
+ unsigned long rate, ipg_pdf;
if (mx27_revision() >= CHIP_REV_2_0)
return clk_get_rate(clk->parent);
else
- ipg_pdf = (CSCR() & CCM_CSCR_IPDIV) >> CCM_CSCR_IPDIV_OFFSET;
+ ipg_pdf = (__raw_readl(CCM_CSCR) >> 8) & 1;
rate = clk_get_rate(clk->parent);
return rate / (ipg_pdf + 1);
}
-static struct clk ipg_clk = {
- .name = "ipg_clk",
- .parent = &ahb_clk,
- .get_rate = get_ipg_clk,
-};
-
-static unsigned long _clk_perclkx_recalc(struct clk *clk)
+static unsigned long get_rate_per(struct clk *clk)
{
- unsigned long perclk_pdf;
- unsigned long parent_rate;
+ unsigned long perclk_pdf, parent_rate;
parent_rate = clk_get_rate(clk->parent);
if (clk->id < 0 || clk->id > 3)
return 0;
- perclk_pdf = (PCDR1() >> (clk->id << 3)) & CCM_PCDR1_PERDIV1_MASK;
+ perclk_pdf = (__raw_readl(CCM_PCDR1) >> (clk->id << 3)) & 0x3f;
return parent_rate / (perclk_pdf + 1);
}
-static struct clk per_clk[] = {
- {
- .name = "per_clk",
- .id = 0,
- .parent = &mpll_main_clk[1],
- .get_rate = _clk_perclkx_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_PERCLK1_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "per_clk",
- .id = 1,
- .parent = &mpll_main_clk[1],
- .get_rate = _clk_perclkx_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_PERCLK2_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "per_clk",
- .id = 2,
- .parent = &mpll_main_clk[1],
- .round_rate = _clk_perclkx_round_rate,
- .set_rate = _clk_perclkx_set_rate,
- .get_rate = _clk_perclkx_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_PERCLK3_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "per_clk",
- .id = 3,
- .parent = &mpll_main_clk[1],
- .round_rate = _clk_perclkx_round_rate,
- .set_rate = _clk_perclkx_set_rate,
- .get_rate = _clk_perclkx_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_PERCLK4_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart1_clk[] = {
- {
- .name = "uart_clk",
- .id = 0,
- .parent = &per_clk[0],
- .secondary = &uart1_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART1_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart2_clk[] = {
- {
- .name = "uart_clk",
- .id = 1,
- .parent = &per_clk[0],
- .secondary = &uart2_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART2_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart3_clk[] = {
- {
- .name = "uart_clk",
- .id = 2,
- .parent = &per_clk[0],
- .secondary = &uart3_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 2,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART3_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart4_clk[] = {
- {
- .name = "uart_clk",
- .id = 3,
- .parent = &per_clk[0],
- .secondary = &uart4_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 3,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART4_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart5_clk[] = {
- {
- .name = "uart_clk",
- .id = 4,
- .parent = &per_clk[0],
- .secondary = &uart5_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 4,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART5_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-struct clk uart6_clk[] = {
- {
- .name = "uart_clk",
- .id = 5,
- .parent = &per_clk[0],
- .secondary = &uart6_clk[1],
- }, {
- .name = "uart_ipg_clk",
- .id = 5,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_UART6_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk gpt1_clk[] = {
- {
- .name = "gpt_clk",
- .id = 0,
- .parent = &per_clk[0],
- .secondary = &gpt1_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT1_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk gpt2_clk[] = {
- {
- .name = "gpt_clk",
- .id = 1,
- .parent = &per_clk[0],
- .secondary = &gpt2_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT2_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk gpt3_clk[] = {
- {
- .name = "gpt_clk",
- .id = 2,
- .parent = &per_clk[0],
- .secondary = &gpt3_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 2,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT3_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk gpt4_clk[] = {
- {
- .name = "gpt_clk",
- .id = 3,
- .parent = &per_clk[0],
- .secondary = &gpt4_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 3,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT4_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk gpt5_clk[] = {
- {
- .name = "gpt_clk",
- .id = 4,
- .parent = &per_clk[0],
- .secondary = &gpt5_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 4,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT5_OFFSET,
- .disable = _clk_disable,
- },
+/*
+ * the high frequency external clock reference
+ * Default case is 26MHz. Could be changed at runtime
+ * with a call to change_external_high_reference()
+ */
+static struct clk ckih_clk = {
+ .get_rate = get_rate_high_reference,
};
-static struct clk gpt6_clk[] = {
- {
- .name = "gpt_clk",
- .id = 5,
- .parent = &per_clk[0],
- .secondary = &gpt6_clk[1],
- }, {
- .name = "gpt_ipg_clk",
- .id = 5,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_GPT6_OFFSET,
- .disable = _clk_disable,
- },
+static struct clk mpll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = get_rate_mpll,
};
-static struct clk pwm_clk[] = {
- {
- .name = "pwm_clk",
- .parent = &per_clk[0],
- .secondary = &pwm_clk[1],
- }, {
- .name = "pwm_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_PWM_OFFSET,
- .disable = _clk_disable,
- },
+/* For i.MX27 TO2, it is the MPLL path 1 of ARM core
+ * It provides the clock source whose rate is same as MPLL
+ */
+static struct clk mpll_main1_clk = {
+ .id = 0,
+ .parent = &mpll_clk,
+ .get_rate = get_rate_mpll_main,
};
-static struct clk sdhc1_clk[] = {
- {
- .name = "sdhc_clk",
- .id = 0,
- .parent = &per_clk[1],
- .secondary = &sdhc1_clk[1],
- }, {
- .name = "sdhc_ipg_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SDHC1_OFFSET,
- .disable = _clk_disable,
- },
+/* For i.MX27 TO2, it is the MPLL path 2 of ARM core
+ * It provides the clock source whose rate is same MPLL * 2 / 3
+ */
+static struct clk mpll_main2_clk = {
+ .id = 1,
+ .parent = &mpll_clk,
+ .get_rate = get_rate_mpll_main,
};
-static struct clk sdhc2_clk[] = {
- {
- .name = "sdhc_clk",
- .id = 1,
- .parent = &per_clk[1],
- .secondary = &sdhc2_clk[1],
- }, {
- .name = "sdhc_ipg_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SDHC2_OFFSET,
- .disable = _clk_disable,
- },
+static struct clk ahb_clk = {
+ .parent = &mpll_main2_clk,
+ .get_rate = get_rate_ahb,
};
-static struct clk sdhc3_clk[] = {
- {
- .name = "sdhc_clk",
- .id = 2,
- .parent = &per_clk[1],
- .secondary = &sdhc3_clk[1],
- }, {
- .name = "sdhc_ipg_clk",
- .id = 2,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SDHC3_OFFSET,
- .disable = _clk_disable,
- },
+static struct clk ipg_clk = {
+ .parent = &ahb_clk,
+ .get_rate = get_rate_ipg,
};
-static struct clk cspi1_clk[] = {
- {
- .name = "cspi_clk",
- .id = 0,
- .parent = &per_clk[1],
- .secondary = &cspi1_clk[1],
- }, {
- .name = "cspi_ipg_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_CSPI1_OFFSET,
- .disable = _clk_disable,
- },
+static struct clk cpu_clk = {
+ .parent = &mpll_main2_clk,
+ .set_parent = clk_cpu_set_parent,
+ .round_rate = round_rate_cpu,
+ .get_rate = get_rate_cpu,
+ .set_rate = set_rate_cpu,
};
-static struct clk cspi2_clk[] = {
- {
- .name = "cspi_clk",
- .id = 1,
- .parent = &per_clk[1],
- .secondary = &cspi2_clk[1],
- }, {
- .name = "cspi_ipg_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_CSPI2_OFFSET,
- .disable = _clk_disable,
- },
+static struct clk spll_clk = {
+ .parent = &ckih_clk,
+ .get_rate = get_rate_spll,
+ .enable = clk_spll_enable,
+ .disable = clk_spll_disable,
};
-static struct clk cspi3_clk[] = {
- {
- .name = "cspi_clk",
- .id = 2,
- .parent = &per_clk[1],
- .secondary = &cspi3_clk[1],
- }, {
- .name = "cspi_ipg_clk",
- .id = 2,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_CSPI3_OFFSET,
- .disable = _clk_disable,
- },
+/*
+ * the low frequency external clock reference
+ * Default case is 32.768kHz.
+ */
+static struct clk ckil_clk = {
+ .get_rate = get_rate_low_reference,
};
-static struct clk lcdc_clk[] = {
- {
- .name = "lcdc_clk",
- .parent = &per_clk[2],
- .secondary = &lcdc_clk[1],
- .round_rate = _clk_parent_round_rate,
- .set_rate = _clk_parent_set_rate,
- }, {
- .name = "lcdc_ipg_clk",
- .parent = &ipg_clk,
- .secondary = &lcdc_clk[2],
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_LCDC_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "lcdc_ahb_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_LCDC_OFFSET,
- .disable = _clk_disable,
- },
+/* Output of frequency pre multiplier */
+static struct clk fpm_clk = {
+ .parent = &ckil_clk,
+ .get_rate = get_rate_fpm,
};
-static struct clk csi_clk[] = {
- {
- .name = "csi_perclk",
- .parent = &per_clk[3],
- .secondary = &csi_clk[1],
- .round_rate = _clk_parent_round_rate,
- .set_rate = _clk_parent_set_rate,
- }, {
- .name = "csi_ahb_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_CSI_OFFSET,
- .disable = _clk_disable,
- },
-};
+#define PCCR0 CCM_PCCR0
+#define PCCR1 CCM_PCCR1
-static struct clk usb_clk[] = {
- {
- .name = "usb_clk",
- .parent = &spll_clk,
- .get_rate = _clk_usb_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_USBOTG_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "usb_ahb_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_USBOTG_OFFSET,
- .disable = _clk_disable,
+#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 = clk_pccr_enable, \
+ .disable = clk_pccr_disable, \
+ .secondary = s, \
+ .parent = p, \
}
-};
-static struct clk ssi1_clk[] = {
- {
- .name = "ssi_clk",
- .id = 0,
- .parent = &mpll_main_clk[1],
- .secondary = &ssi1_clk[1],
- .get_rate = _clk_ssi1_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_SSI1_BAUD_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "ssi_ipg_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SSI1_IPG_OFFSET,
- .disable = _clk_disable,
- },
-};
+#define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \
+ static struct clk name = { \
+ .id = i, \
+ .enable_reg = er, \
+ .enable_shift = es, \
+ .get_rate = get_rate_##getsetround, \
+ .set_rate = set_rate_##getsetround, \
+ .round_rate = round_rate_##getsetround, \
+ .enable = clk_pccr_enable, \
+ .disable = clk_pccr_disable, \
+ .secondary = s, \
+ .parent = p, \
+ }
-static struct clk ssi2_clk[] = {
- {
- .name = "ssi_clk",
- .id = 1,
- .parent = &mpll_main_clk[1],
- .secondary = &ssi2_clk[1],
- .get_rate = _clk_ssi2_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_SSI2_BAUD_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "ssi_ipg_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SSI2_IPG_OFFSET,
- .disable = _clk_disable,
+/* Forward declaration to keep the following list in order */
+static struct clk slcdc_clk1, sahara2_clk1, rtic_clk1, fec_clk1, emma_clk1,
+ dma_clk1, lcdc_clk2, vpu_clk1;
+
+/* All clocks we can gate through PCCRx in the order of PCCRx bits */
+DEFINE_CLOCK(ssi2_clk1, 1, PCCR0, 0, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(ssi1_clk1, 0, PCCR0, 1, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(slcdc_clk, 0, PCCR0, 2, NULL, &slcdc_clk1, &ahb_clk);
+DEFINE_CLOCK(sdhc3_clk1, 0, PCCR0, 3, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(sdhc2_clk1, 0, PCCR0, 4, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(sdhc1_clk1, 0, PCCR0, 5, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(scc_clk, 0, PCCR0, 6, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(sahara2_clk, 0, PCCR0, 7, NULL, &sahara2_clk1, &ahb_clk);
+DEFINE_CLOCK(rtic_clk, 0, PCCR0, 8, NULL, &rtic_clk1, &ahb_clk);
+DEFINE_CLOCK(rtc_clk, 0, PCCR0, 9, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(pwm_clk1, 0, PCCR0, 11, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(owire_clk, 0, PCCR0, 12, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(mstick_clk1, 0, PCCR0, 13, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(lcdc_clk1, 0, PCCR0, 14, NULL, &lcdc_clk2, &ipg_clk);
+DEFINE_CLOCK(kpp_clk, 0, PCCR0, 15, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(iim_clk, 0, PCCR0, 16, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(i2c2_clk, 1, PCCR0, 17, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(i2c1_clk, 0, PCCR0, 18, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt6_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt5_clk1, 0, PCCR0, 20, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt4_clk1, 0, PCCR0, 21, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt3_clk1, 0, PCCR0, 22, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt2_clk1, 0, PCCR0, 23, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpt1_clk1, 0, PCCR0, 24, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(gpio_clk, 0, PCCR0, 25, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(fec_clk, 0, PCCR0, 26, NULL, &fec_clk1, &ahb_clk);
+DEFINE_CLOCK(emma_clk, 0, PCCR0, 27, NULL, &emma_clk1, &ahb_clk);
+DEFINE_CLOCK(dma_clk, 0, PCCR0, 28, NULL, &dma_clk1, &ahb_clk);
+DEFINE_CLOCK(cspi13_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(cspi2_clk1, 0, PCCR0, 30, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(cspi1_clk1, 0, PCCR0, 31, NULL, NULL, &ipg_clk);
+
+DEFINE_CLOCK(mstick_clk, 0, PCCR1, 2, NULL, &mstick_clk1, &ipg_clk);
+DEFINE_CLOCK(nfc_clk, 0, PCCR1, 3, get_rate_nfc, NULL, &cpu_clk);
+DEFINE_CLOCK(ssi2_clk, 1, PCCR1, 4, get_rate_ssi2, &ssi2_clk1, &mpll_main2_clk);
+DEFINE_CLOCK(ssi1_clk, 0, PCCR1, 5, get_rate_ssi1, &ssi1_clk1, &mpll_main2_clk);
+DEFINE_CLOCK(vpu_clk, 0, PCCR1, 6, get_rate_vpu, &vpu_clk1, &mpll_main2_clk);
+DEFINE_CLOCK1(per4_clk, 3, PCCR1, 7, per, NULL, &mpll_main2_clk);
+DEFINE_CLOCK1(per3_clk, 2, PCCR1, 8, per, NULL, &mpll_main2_clk);
+DEFINE_CLOCK1(per2_clk, 1, PCCR1, 9, per, NULL, &mpll_main2_clk);
+DEFINE_CLOCK1(per1_clk, 0, PCCR1, 10, per, NULL, &mpll_main2_clk);
+DEFINE_CLOCK(usb_clk1, 0, PCCR1, 11, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(slcdc_clk1, 0, PCCR1, 12, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(sahara2_clk1, 0, PCCR1, 13, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(rtic_clk1, 0, PCCR1, 14, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(lcdc_clk2, 0, PCCR1, 15, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(vpu_clk1, 0, PCCR1, 16, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(fec_clk1, 0, PCCR1, 17, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(emma_clk1, 0, PCCR1, 18, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(emi_clk, 0, PCCR1, 19, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(dma_clk1, 0, PCCR1, 20, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(csi_clk1, 0, PCCR1, 21, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(brom_clk, 0, PCCR1, 22, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(ata_clk, 0, PCCR1, 23, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(wdog_clk, 0, PCCR1, 24, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(usb_clk, 0, PCCR1, 25, get_rate_usb, &usb_clk1, &spll_clk);
+DEFINE_CLOCK(uart6_clk1, 0, PCCR1, 26, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart5_clk1, 0, PCCR1, 27, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart4_clk1, 0, PCCR1, 28, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart3_clk1, 0, PCCR1, 29, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart2_clk1, 0, PCCR1, 30, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(uart1_clk1, 0, PCCR1, 31, NULL, NULL, &ipg_clk);
+
+/* Clocks we cannot directly gate, but drivers need their rates */
+DEFINE_CLOCK(cspi1_clk, 0, 0, 0, NULL, &cspi1_clk1, &per2_clk);
+DEFINE_CLOCK(cspi2_clk, 1, 0, 0, NULL, &cspi2_clk1, &per2_clk);
+DEFINE_CLOCK(cspi3_clk, 2, 0, 0, NULL, &cspi13_clk1, &per2_clk);
+DEFINE_CLOCK(sdhc1_clk, 0, 0, 0, NULL, &sdhc1_clk1, &per2_clk);
+DEFINE_CLOCK(sdhc2_clk, 1, 0, 0, NULL, &sdhc2_clk1, &per2_clk);
+DEFINE_CLOCK(sdhc3_clk, 2, 0, 0, NULL, &sdhc3_clk1, &per2_clk);
+DEFINE_CLOCK(pwm_clk, 0, 0, 0, NULL, &pwm_clk1, &per1_clk);
+DEFINE_CLOCK(gpt1_clk, 0, 0, 0, NULL, &gpt1_clk1, &per1_clk);
+DEFINE_CLOCK(gpt2_clk, 1, 0, 0, NULL, &gpt2_clk1, &per1_clk);
+DEFINE_CLOCK(gpt3_clk, 2, 0, 0, NULL, &gpt3_clk1, &per1_clk);
+DEFINE_CLOCK(gpt4_clk, 3, 0, 0, NULL, &gpt4_clk1, &per1_clk);
+DEFINE_CLOCK(gpt5_clk, 4, 0, 0, NULL, &gpt5_clk1, &per1_clk);
+DEFINE_CLOCK(gpt6_clk, 5, 0, 0, NULL, &gpt6_clk1, &per1_clk);
+DEFINE_CLOCK(uart1_clk, 0, 0, 0, NULL, &uart1_clk1, &per1_clk);
+DEFINE_CLOCK(uart2_clk, 1, 0, 0, NULL, &uart2_clk1, &per1_clk);
+DEFINE_CLOCK(uart3_clk, 2, 0, 0, NULL, &uart3_clk1, &per1_clk);
+DEFINE_CLOCK(uart4_clk, 3, 0, 0, NULL, &uart4_clk1, &per1_clk);
+DEFINE_CLOCK(uart5_clk, 4, 0, 0, NULL, &uart5_clk1, &per1_clk);
+DEFINE_CLOCK(uart6_clk, 5, 0, 0, NULL, &uart6_clk1, &per1_clk);
+DEFINE_CLOCK1(lcdc_clk, 0, 0, 0, parent, &lcdc_clk1, &per3_clk);
+DEFINE_CLOCK1(csi_clk, 0, 0, 0, parent, &csi_clk1, &per4_clk);
+
+#define _REGISTER_CLOCK(d, n, c) \
+ { \
+ .dev_id = d, \
+ .con_id = n, \
+ .clk = &c, \
},
-};
-
-static struct clk nfc_clk = {
- .name = "nfc_clk",
- .parent = &cpu_clk,
- .get_rate = _clk_nfc_recalc,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_NFC_BAUD_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk vpu_clk = {
- .name = "vpu_clk",
- .parent = &mpll_main_clk[1],
- .get_rate = _clk_vpu_recalc,
- .enable = _clk_vpu_enable,
- .disable = _clk_vpu_disable,
-};
-
-static struct clk dma_clk = {
- .name = "dma_clk",
- .parent = &ahb_clk,
- .enable = _clk_dma_enable,
- .disable = _clk_dma_disable,
-};
-
-static struct clk rtic_clk = {
- .name = "rtic_clk",
- .parent = &ahb_clk,
- .enable = _clk_rtic_enable,
- .disable = _clk_rtic_disable,
-};
-static struct clk brom_clk = {
- .name = "brom_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_BROM_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk emma_clk = {
- .name = "emma_clk",
- .parent = &ahb_clk,
- .enable = _clk_emma_enable,
- .disable = _clk_emma_disable,
-};
-
-static struct clk slcdc_clk = {
- .name = "slcdc_clk",
- .parent = &ahb_clk,
- .enable = _clk_slcdc_enable,
- .disable = _clk_slcdc_disable,
-};
-
-static struct clk fec_clk = {
- .name = "fec_clk",
- .parent = &ahb_clk,
- .enable = _clk_fec_enable,
- .disable = _clk_fec_disable,
-};
-
-static struct clk emi_clk = {
- .name = "emi_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_EMI_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk sahara2_clk = {
- .name = "sahara_clk",
- .parent = &ahb_clk,
- .enable = _clk_sahara2_enable,
- .disable = _clk_sahara2_disable,
-};
-
-static struct clk ata_clk = {
- .name = "ata_clk",
- .parent = &ahb_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_HCLK_ATA_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk mstick1_clk = {
- .name = "mstick1_clk",
- .parent = &ipg_clk,
- .enable = _clk_mstick1_enable,
- .disable = _clk_mstick1_disable,
-};
-
-static struct clk wdog_clk = {
- .name = "wdog_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR1_WDT_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk gpio_clk = {
- .name = "gpio_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR1,
- .enable_shift = CCM_PCCR0_GPIO_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk i2c_clk[] = {
- {
- .name = "i2c_clk",
- .id = 0,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_I2C1_OFFSET,
- .disable = _clk_disable,
- }, {
- .name = "i2c_clk",
- .id = 1,
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_I2C2_OFFSET,
- .disable = _clk_disable,
- },
-};
-
-static struct clk iim_clk = {
- .name = "iim_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_IIM_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk kpp_clk = {
- .name = "kpp_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_KPP_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk owire_clk = {
- .name = "owire_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_OWIRE_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk rtc_clk = {
- .name = "rtc_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_RTC_OFFSET,
- .disable = _clk_disable,
-};
-
-static struct clk scc_clk = {
- .name = "scc_clk",
- .parent = &ipg_clk,
- .enable = _clk_enable,
- .enable_reg = CCM_PCCR0,
- .enable_shift = CCM_PCCR0_SCC_OFFSET,
- .disable = _clk_disable,
-};
-
-static unsigned long _clk_clko_round_rate(struct clk *clk, unsigned long rate)
-{
- u32 div;
- unsigned long parent_rate;
-
- parent_rate = clk_get_rate(clk->parent);
- div = parent_rate / rate;
- if (parent_rate % rate)
- div++;
-
- if (div > 8)
- div = 8;
-
- return parent_rate / div;
-}
-
-static int _clk_clko_set_rate(struct clk *clk, unsigned long rate)
-{
- u32 reg;
- u32 div;
- unsigned long parent_rate;
-
- parent_rate = clk_get_rate(clk->parent);
-
- div = parent_rate / rate;
-
- if (div > 8 || div < 1 || ((parent_rate / div) != rate))
- return -EINVAL;
- div--;
-
- reg = __raw_readl(CCM_PCDR0) & ~CCM_PCDR0_CLKODIV_MASK;
- reg |= div << CCM_PCDR0_CLKODIV_OFFSET;
- __raw_writel(reg, CCM_PCDR0);
-
- return 0;
-}
-
-static unsigned long _clk_clko_recalc(struct clk *clk)
-{
- u32 div;
- unsigned long parent_rate;
-
- parent_rate = clk_get_rate(clk->parent);
-
- div = __raw_readl(CCM_PCDR0) & CCM_PCDR0_CLKODIV_MASK >>
- CCM_PCDR0_CLKODIV_OFFSET;
- div++;
-
- return parent_rate / div;
-}
-
-static int _clk_clko_set_parent(struct clk *clk, struct clk *parent)
-{
- u32 reg;
-
- reg = __raw_readl(CCM_CCSR) & ~CCM_CCSR_CLKOSEL_MASK;
-
- if (parent == &ckil_clk)
- reg |= 0 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &ckih_clk)
- reg |= 2 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == mpll_clk.parent)
- reg |= 3 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == spll_clk.parent)
- reg |= 4 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &mpll_clk)
- reg |= 5 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &spll_clk)
- reg |= 6 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &cpu_clk)
- reg |= 7 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &ahb_clk)
- reg |= 8 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &ipg_clk)
- reg |= 9 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &per_clk[0])
- reg |= 0xA << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &per_clk[1])
- reg |= 0xB << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &per_clk[2])
- reg |= 0xC << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &per_clk[3])
- reg |= 0xD << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &ssi1_clk[0])
- reg |= 0xE << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &ssi2_clk[0])
- reg |= 0xF << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &nfc_clk)
- reg |= 0x10 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &mstick1_clk)
- reg |= 0x11 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &vpu_clk)
- reg |= 0x12 << CCM_CCSR_CLKOSEL_OFFSET;
- else if (parent == &usb_clk[0])
- reg |= 0x15 << CCM_CCSR_CLKOSEL_OFFSET;
- else
- return -EINVAL;
-
- __raw_writel(reg, CCM_CCSR);
-
- return 0;
-}
-
-static int _clk_clko_enable(struct clk *clk)
-{
- u32 reg;
-
- reg = __raw_readl(CCM_PCDR0) | CCM_PCDR0_CLKO_EN;
- __raw_writel(reg, CCM_PCDR0);
-
- return 0;
-}
-
-static void _clk_clko_disable(struct clk *clk)
-{
- u32 reg;
-
- reg = __raw_readl(CCM_PCDR0) & ~CCM_PCDR0_CLKO_EN;
- __raw_writel(reg, CCM_PCDR0);
-}
-
-static struct clk clko_clk = {
- .name = "clko_clk",
- .get_rate = _clk_clko_recalc,
- .set_rate = _clk_clko_set_rate,
- .round_rate = _clk_clko_round_rate,
- .set_parent = _clk_clko_set_parent,
- .enable = _clk_clko_enable,
- .disable = _clk_clko_disable,
-};
-
-static struct clk *mxc_clks[] = {
- &ckih_clk,
- &ckil_clk,
- &mpll_clk,
- &mpll_main_clk[0],
- &mpll_main_clk[1],
- &spll_clk,
- &cpu_clk,
- &ahb_clk,
- &ipg_clk,
- &per_clk[0],
- &per_clk[1],
- &per_clk[2],
- &per_clk[3],
- &clko_clk,
- &uart1_clk[0],
- &uart1_clk[1],
- &uart2_clk[0],
- &uart2_clk[1],
- &uart3_clk[0],
- &uart3_clk[1],
- &uart4_clk[0],
- &uart4_clk[1],
- &uart5_clk[0],
- &uart5_clk[1],
- &uart6_clk[0],
- &uart6_clk[1],
- &gpt1_clk[0],
- &gpt1_clk[1],
- &gpt2_clk[0],
- &gpt2_clk[1],
- &gpt3_clk[0],
- &gpt3_clk[1],
- &gpt4_clk[0],
- &gpt4_clk[1],
- &gpt5_clk[0],
- &gpt5_clk[1],
- &gpt6_clk[0],
- &gpt6_clk[1],
- &pwm_clk[0],
- &pwm_clk[1],
- &sdhc1_clk[0],
- &sdhc1_clk[1],
- &sdhc2_clk[0],
- &sdhc2_clk[1],
- &sdhc3_clk[0],
- &sdhc3_clk[1],
- &cspi1_clk[0],
- &cspi1_clk[1],
- &cspi2_clk[0],
- &cspi2_clk[1],
- &cspi3_clk[0],
- &cspi3_clk[1],
- &lcdc_clk[0],
- &lcdc_clk[1],
- &lcdc_clk[2],
- &csi_clk[0],
- &csi_clk[1],
- &usb_clk[0],
- &usb_clk[1],
- &ssi1_clk[0],
- &ssi1_clk[1],
- &ssi2_clk[0],
- &ssi2_clk[1],
- &nfc_clk,
- &vpu_clk,
- &dma_clk,
- &rtic_clk,
- &brom_clk,
- &emma_clk,
- &slcdc_clk,
- &fec_clk,
- &emi_clk,
- &sahara2_clk,
- &ata_clk,
- &mstick1_clk,
- &wdog_clk,
- &gpio_clk,
- &i2c_clk[0],
- &i2c_clk[1],
- &iim_clk,
- &kpp_clk,
- &owire_clk,
- &rtc_clk,
- &scc_clk,
-};
-
-void __init change_external_low_reference(unsigned long new_ref)
-{
- external_low_reference = new_ref;
-}
-
-unsigned long __init clk_early_get_timer_rate(void)
-{
- return clk_get_rate(&per_clk[0]);
-}
-
-static void __init probe_mxc_clocks(void)
-{
- int i;
+static struct clk_lookup lookups[] __initdata = {
+ _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-uart.5", NULL, uart6_clk)
+ _REGISTER_CLOCK(NULL, "gpt1", gpt1_clk)
+ _REGISTER_CLOCK(NULL, "gpt2", gpt2_clk)
+ _REGISTER_CLOCK(NULL, "gpt3", gpt3_clk)
+ _REGISTER_CLOCK(NULL, "gpt4", gpt4_clk)
+ _REGISTER_CLOCK(NULL, "gpt5", gpt5_clk)
+ _REGISTER_CLOCK(NULL, "gpt6", gpt6_clk)
+ _REGISTER_CLOCK("mxc_pwm.0", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk)
+ _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk)
+ _REGISTER_CLOCK("mxc-mmc.2", NULL, sdhc3_clk)
+ _REGISTER_CLOCK(NULL, "cspi1", cspi1_clk)
+ _REGISTER_CLOCK(NULL, "cspi2", cspi2_clk)
+ _REGISTER_CLOCK(NULL, "cspi3", cspi3_clk)
+ _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
+ _REGISTER_CLOCK(NULL, "csi", csi_clk)
+ _REGISTER_CLOCK(NULL, "usb", usb_clk)
+ _REGISTER_CLOCK(NULL, "ssi1", ssi1_clk)
+ _REGISTER_CLOCK(NULL, "ssi2", ssi2_clk)
+ _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk)
+ _REGISTER_CLOCK(NULL, "vpu", vpu_clk)
+ _REGISTER_CLOCK(NULL, "dma", dma_clk)
+ _REGISTER_CLOCK(NULL, "rtic", rtic_clk)
+ _REGISTER_CLOCK(NULL, "brom", brom_clk)
+ _REGISTER_CLOCK(NULL, "emma", emma_clk)
+ _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk)
+ _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ _REGISTER_CLOCK(NULL, "emi", emi_clk)
+ _REGISTER_CLOCK(NULL, "sahara2", sahara2_clk)
+ _REGISTER_CLOCK(NULL, "ata", ata_clk)
+ _REGISTER_CLOCK(NULL, "mstick", mstick_clk)
+ _REGISTER_CLOCK(NULL, "wdog", wdog_clk)
+ _REGISTER_CLOCK(NULL, "gpio", gpio_clk)
+ _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
+ _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
+ _REGISTER_CLOCK(NULL, "iim", iim_clk)
+ _REGISTER_CLOCK(NULL, "kpp", kpp_clk)
+ _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk)
+ _REGISTER_CLOCK(NULL, "rtc", rtc_clk)
+ _REGISTER_CLOCK(NULL, "scc", scc_clk)
+};
+
+/* Adjust the clock path for TO2 and later */
+static void __init to2_adjust_clocks(void)
+{
+ unsigned long cscr = __raw_readl(CCM_CSCR);
if (mx27_revision() >= CHIP_REV_2_0) {
- if (CSCR() & 0x8000)
- cpu_clk.parent = &mpll_main_clk[0];
+ if (cscr & CCM_CSCR_ARM_SRC)
+ cpu_clk.parent = &mpll_main1_clk;
- if (!(CSCR() & 0x00800000))
- ssi2_clk[0].parent = &spll_clk;
+ if (!(cscr & CCM_CSCR_SSI2))
+ ssi1_clk.parent = &spll_clk;
- if (!(CSCR() & 0x00400000))
- ssi1_clk[0].parent = &spll_clk;
+ if (!(cscr & CCM_CSCR_SSI1))
+ ssi1_clk.parent = &spll_clk;
- if (!(CSCR() & 0x00200000))
+ if (!(cscr & CCM_CSCR_VPU))
vpu_clk.parent = &spll_clk;
} else {
cpu_clk.parent = &mpll_clk;
@@ -1565,11 +693,13 @@ static void __init probe_mxc_clocks(void)
cpu_clk.set_rate = NULL;
ahb_clk.parent = &mpll_clk;
- for (i = 0; i < sizeof(per_clk) / sizeof(per_clk[0]); i++)
- per_clk[i].parent = &mpll_clk;
+ per1_clk.parent = &mpll_clk;
+ per2_clk.parent = &mpll_clk;
+ per3_clk.parent = &mpll_clk;
+ per4_clk.parent = &mpll_clk;
- ssi1_clk[0].parent = &mpll_clk;
- ssi2_clk[0].parent = &mpll_clk;
+ ssi1_clk.parent = &mpll_clk;
+ ssi2_clk.parent = &mpll_clk;
vpu_clk.parent = &mpll_clk;
}
@@ -1579,47 +709,47 @@ static void __init probe_mxc_clocks(void)
* must be called very early to get information about the
* available clock rate when the timer framework starts
*/
-int __init mxc_clocks_init(unsigned long fref)
+int __init mx27_clocks_init(unsigned long fref)
{
- u32 cscr;
- struct clk **clkp;
+ u32 cscr = __raw_readl(CCM_CSCR);
+ int i;
external_high_reference = fref;
- /* detect clock reference for both system PLL */
- cscr = CSCR();
+ /* detect clock reference for both system PLLs */
if (cscr & CCM_CSCR_MCU)
mpll_clk.parent = &ckih_clk;
else
- mpll_clk.parent = &ckil_clk;
+ mpll_clk.parent = &fpm_clk;
if (cscr & CCM_CSCR_SP)
spll_clk.parent = &ckih_clk;
else
- spll_clk.parent = &ckil_clk;
+ spll_clk.parent = &fpm_clk;
- probe_mxc_clocks();
+ to2_adjust_clocks();
- per_clk[0].enable(&per_clk[0]);
- gpt1_clk[1].enable(&gpt1_clk[1]);
+ for (i = 0; i < ARRAY_SIZE(lookups); i++)
+ clkdev_add(&lookups[i]);
- for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++)
- clk_register(*clkp);
+ /* Turn off all clocks we do not need */
+ __raw_writel(0, CCM_PCCR0);
+ __raw_writel((1 << 10) | (1 << 19), CCM_PCCR1);
- /* Turn off all possible clocks */
- __raw_writel(CCM_PCCR0_GPT1_MASK, CCM_PCCR0);
- __raw_writel(CCM_PCCR1_PERCLK1_MASK | CCM_PCCR1_HCLK_EMI_MASK,
- CCM_PCCR1);
spll_clk.disable(&spll_clk);
- /* This will propagate to all children and init all the clock rates */
-
- clk_enable(&emi_clk);
+ /* enable basic clocks */
+ clk_enable(&per1_clk);
clk_enable(&gpio_clk);
+ clk_enable(&emi_clk);
clk_enable(&iim_clk);
- clk_enable(&gpt1_clk[0]);
+
#ifdef CONFIG_DEBUG_LL_CONSOLE
- clk_enable(&uart1_clk[0]);
+ clk_enable(&uart1_clk);
#endif
+
+ mxc_timer_init(&gpt1_clk);
+
return 0;
}
+
diff --git a/arch/arm/mach-mx2/cpu_imx27.c b/arch/arm/mach-mx2/cpu_imx27.c
index 239308fe665..d9e3bf9644c 100644
--- a/arch/arm/mach-mx2/cpu_imx27.c
+++ b/arch/arm/mach-mx2/cpu_imx27.c
@@ -26,11 +26,11 @@
#include <mach/hardware.h>
-#include "crm_regs.h"
-
static int cpu_silicon_rev = -1;
static int cpu_partnumber;
+#define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */
+
static void query_silicon_parameter(void)
{
u32 val;
diff --git a/arch/arm/mach-mx2/crm_regs.h b/arch/arm/mach-mx2/crm_regs.h
index 94644cd0a0f..749de76b3f9 100644
--- a/arch/arm/mach-mx2/crm_regs.h
+++ b/arch/arm/mach-mx2/crm_regs.h
@@ -38,42 +38,36 @@
#define CCM_PMCOUNT (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
#define CCM_WKGDCTL (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
-#define CCM_CSCR_USB_OFFSET 28
-#define CCM_CSCR_USB_MASK (0x7 << 28)
+#define CCM_CSCR_PRESC_OFFSET 29
+#define CCM_CSCR_PRESC_MASK (0x7 << CCM_CSCR_PRESC_OFFSET)
+
+#define CCM_CSCR_USB_OFFSET 26
+#define CCM_CSCR_USB_MASK (0x7 << CCM_CSCR_USB_OFFSET)
#define CCM_CSCR_SD_OFFSET 24
-#define CCM_CSCR_SD_MASK (0x3 << 24)
-#define CCM_CSCR_SSI2 (1 << 23)
-#define CCM_CSCR_SSI2_OFFSET 23
-#define CCM_CSCR_SSI1 (1 << 22)
-#define CCM_CSCR_SSI1_OFFSET 22
-#define CCM_CSCR_VPU (1 << 21)
-#define CCM_CSCR_VPU_OFFSET 21
-#define CCM_CSCR_MSHC (1 << 20)
-#define CCM_CSCR_SPLLRES (1 << 19)
-#define CCM_CSCR_MPLLRES (1 << 18)
+#define CCM_CSCR_SD_MASK (0x3 << CCM_CSCR_SD_OFFSET)
+#define CCM_CSCR_SPLLRES (1 << 22)
+#define CCM_CSCR_MPLLRES (1 << 21)
+#define CCM_CSCR_SSI2_OFFSET 20
+#define CCM_CSCR_SSI2 (1 << CCM_CSCR_SSI2_OFFSET)
+#define CCM_CSCR_SSI1_OFFSET 19
+#define CCM_CSCR_SSI1 (1 << CCM_CSCR_SSI1_OFFSET)
+#define CCM_CSCR_FIR_OFFSET 18
+#define CCM_CSCR_FIR (1 << CCM_CSCR_FIR_OFFSET)
#define CCM_CSCR_SP (1 << 17)
#define CCM_CSCR_MCU (1 << 16)
-/* CCM_CSCR_ARM_xxx just be avaliable on i.MX27 TO2*/
-#define CCM_CSCR_ARM_SRC (1 << 15)
-#define CCM_CSCR_ARM_OFFSET 12
-#define CCM_CSCR_ARM_MASK (0x3 << 12)
-/* CCM_CSCR_ARM_xxx just be avaliable on i.MX27 TO2*/
-#define CCM_CSCR_PRESC_OFFSET 13
-#define CCM_CSCR_PRESC_MASK (0x7 << 13)
-#define CCM_CSCR_BCLK_OFFSET 9
-#define CCM_CSCR_BCLK_MASK (0xf << 9)
-#define CCM_CSCR_IPDIV_OFFSET 8
-#define CCM_CSCR_IPDIV (1 << 8)
-/* CCM_CSCR_AHB_xxx just be avaliable on i.MX27 TO2*/
-#define CCM_CSCR_AHB_OFFSET 8
-#define CCM_CSCR_AHB_MASK (0x3 << 8)
-/* CCM_CSCR_AHB_xxx just be avaliable on i.MX27 TO2*/
+#define CCM_CSCR_BCLK_OFFSET 10
+#define CCM_CSCR_BCLK_MASK (0xf << CCM_CSCR_BCLK_OFFSET)
+#define CCM_CSCR_IPDIV_OFFSET 9
+#define CCM_CSCR_IPDIV (1 << CCM_CSCR_IPDIV_OFFSET)
+
#define CCM_CSCR_OSC26MDIV (1 << 4)
#define CCM_CSCR_OSC26M (1 << 3)
#define CCM_CSCR_FPM (1 << 2)
#define CCM_CSCR_SPEN (1 << 1)
#define CCM_CSCR_MPEN 1
+
+
#define CCM_MPCTL0_CPLM (1 << 31)
#define CCM_MPCTL0_PD_OFFSET 26
#define CCM_MPCTL0_PD_MASK (0xf << 26)
@@ -109,25 +103,14 @@
#define CCM_PCDR0_SSI2BAUDDIV_OFFSET 26
#define CCM_PCDR0_SSI2BAUDDIV_MASK (0x3f << 26)
-#define CCM_PCDR0_CLKO_EN 25
-#define CCM_PCDR0_CLKODIV_OFFSET 22
-#define CCM_PCDR0_CLKODIV_MASK (0x7 << 22)
#define CCM_PCDR0_SSI1BAUDDIV_OFFSET 16
#define CCM_PCDR0_SSI1BAUDDIV_MASK (0x3f << 16)
-/*The difinition for i.MX27 TO2*/
-#define CCM_PCDR0_VPUDIV2_OFFSET 10
-#define CCM_PCDR0_VPUDIV2_MASK (0x3f << 10)
-#define CCM_PCDR0_NFCDIV2_OFFSET 6
-#define CCM_PCDR0_NFCDIV2_MASK (0xf << 6)
-#define CCM_PCDR0_MSHCDIV2_MASK 0x3f
-/*The difinition for i.MX27 TO2*/
#define CCM_PCDR0_NFCDIV_OFFSET 12
#define CCM_PCDR0_NFCDIV_MASK (0xf << 12)
-#define CCM_PCDR0_VPUDIV_OFFSET 8
-#define CCM_PCDR0_VPUDIV_MASK (0xf << 8)
-#define CCM_PCDR0_MSHCDIV_OFFSET 0
-#define CCM_PCDR0_MSHCDIV_MASK 0x1f
-
+#define CCM_PCDR0_48MDIV_OFFSET 5
+#define CCM_PCDR0_48MDIV_MASK (0x7 << CCM_PCDR0_48MDIV_OFFSET)
+#define CCM_PCDR0_FIRIDIV_OFFSET 0
+#define CCM_PCDR0_FIRIDIV_MASK 0x1f
#define CCM_PCDR1_PERDIV4_OFFSET 24
#define CCM_PCDR1_PERDIV4_MASK (0x3f << 24)
#define CCM_PCDR1_PERDIV3_OFFSET 16
@@ -137,133 +120,135 @@
#define CCM_PCDR1_PERDIV1_OFFSET 0
#define CCM_PCDR1_PERDIV1_MASK 0x3f
-#define CCM_PCCR0_CSPI1_OFFSET 31
-#define CCM_PCCR0_CSPI1_MASK (1 << 31)
-#define CCM_PCCR0_CSPI2_OFFSET 30
-#define CCM_PCCR0_CSPI2_MASK (1 << 30)
-#define CCM_PCCR0_CSPI3_OFFSET 29
-#define CCM_PCCR0_CSPI3_MASK (1 << 29)
-#define CCM_PCCR0_DMA_OFFSET 28
-#define CCM_PCCR0_DMA_MASK (1 << 28)
-#define CCM_PCCR0_EMMA_OFFSET 27
-#define CCM_PCCR0_EMMA_MASK (1 << 27)
-#define CCM_PCCR0_FEC_OFFSET 26
-#define CCM_PCCR0_FEC_MASK (1 << 26)
-#define CCM_PCCR0_GPIO_OFFSET 25
-#define CCM_PCCR0_GPIO_MASK (1 << 25)
-#define CCM_PCCR0_GPT1_OFFSET 24
-#define CCM_PCCR0_GPT1_MASK (1 << 24)
-#define CCM_PCCR0_GPT2_OFFSET 23
-#define CCM_PCCR0_GPT2_MASK (1 << 23)
-#define CCM_PCCR0_GPT3_OFFSET 22
-#define CCM_PCCR0_GPT3_MASK (1 << 22)
-#define CCM_PCCR0_GPT4_OFFSET 21
-#define CCM_PCCR0_GPT4_MASK (1 << 21)
-#define CCM_PCCR0_GPT5_OFFSET 20
-#define CCM_PCCR0_GPT5_MASK (1 << 20)
-#define CCM_PCCR0_GPT6_OFFSET 19
-#define CCM_PCCR0_GPT6_MASK (1 << 19)
-#define CCM_PCCR0_I2C1_OFFSET 18
-#define CCM_PCCR0_I2C1_MASK (1 << 18)
-#define CCM_PCCR0_I2C2_OFFSET 17
-#define CCM_PCCR0_I2C2_MASK (1 << 17)
-#define CCM_PCCR0_IIM_OFFSET 16
-#define CCM_PCCR0_IIM_MASK (1 << 16)
-#define CCM_PCCR0_KPP_OFFSET 15
-#define CCM_PCCR0_KPP_MASK (1 << 15)
-#define CCM_PCCR0_LCDC_OFFSET 14
-#define CCM_PCCR0_LCDC_MASK (1 << 14)
-#define CCM_PCCR0_MSHC_OFFSET 13
-#define CCM_PCCR0_MSHC_MASK (1 << 13)
-#define CCM_PCCR0_OWIRE_OFFSET 12
-#define CCM_PCCR0_OWIRE_MASK (1 << 12)
-#define CCM_PCCR0_PWM_OFFSET 11
-#define CCM_PCCR0_PWM_MASK (1 << 11)
-#define CCM_PCCR0_RTC_OFFSET 9
-#define CCM_PCCR0_RTC_MASK (1 << 9)
-#define CCM_PCCR0_RTIC_OFFSET 8
-#define CCM_PCCR0_RTIC_MASK (1 << 8)
-#define CCM_PCCR0_SAHARA_OFFSET 7
-#define CCM_PCCR0_SAHARA_MASK (1 << 7)
-#define CCM_PCCR0_SCC_OFFSET 6
-#define CCM_PCCR0_SCC_MASK (1 << 6)
-#define CCM_PCCR0_SDHC1_OFFSET 5
-#define CCM_PCCR0_SDHC1_MASK (1 << 5)
-#define CCM_PCCR0_SDHC2_OFFSET 4
-#define CCM_PCCR0_SDHC2_MASK (1 << 4)
-#define CCM_PCCR0_SDHC3_OFFSET 3
-#define CCM_PCCR0_SDHC3_MASK (1 << 3)
-#define CCM_PCCR0_SLCDC_OFFSET 2
-#define CCM_PCCR0_SLCDC_MASK (1 << 2)
-#define CCM_PCCR0_SSI1_IPG_OFFSET 1
-#define CCM_PCCR0_SSI1_IPG_MASK (1 << 1)
-#define CCM_PCCR0_SSI2_IPG_OFFSET 0
-#define CCM_PCCR0_SSI2_IPG_MASK (1 << 0)
+#define CCM_PCCR_HCLK_CSI_OFFSET 31
+#define CCM_PCCR_HCLK_CSI_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_DMA_OFFSET 30
+#define CCM_PCCR_HCLK_DMA_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_BROM_OFFSET 28
+#define CCM_PCCR_HCLK_BROM_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_EMMA_OFFSET 27
+#define CCM_PCCR_HCLK_EMMA_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_LCDC_OFFSET 26
+#define CCM_PCCR_HCLK_LCDC_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_SLCDC_OFFSET 25
+#define CCM_PCCR_HCLK_SLCDC_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_USBOTG_OFFSET 24
+#define CCM_PCCR_HCLK_USBOTG_REG CCM_PCCR0
+#define CCM_PCCR_HCLK_BMI_OFFSET 23
+#define CCM_PCCR_BMI_MASK (1 << CCM_PCCR_BMI_MASK)
+#define CCM_PCCR_HCLK_BMI_REG CCM_PCCR0
+#define CCM_PCCR_PERCLK4_OFFSET 22
+#define CCM_PCCR_PERCLK4_REG CCM_PCCR0
+#define CCM_PCCR_SLCDC_OFFSET 21
+#define CCM_PCCR_SLCDC_REG CCM_PCCR0
+#define CCM_PCCR_FIRI_BAUD_OFFSET 20
+#define CCM_PCCR_FIRI_BAUD_MASK (1 << CCM_PCCR_FIRI_BAUD_MASK)
+#define CCM_PCCR_FIRI_BAUD_REG CCM_PCCR0
+#define CCM_PCCR_NFC_OFFSET 19
+#define CCM_PCCR_NFC_REG CCM_PCCR0
+#define CCM_PCCR_LCDC_OFFSET 18
+#define CCM_PCCR_LCDC_REG CCM_PCCR0
+#define CCM_PCCR_SSI1_BAUD_OFFSET 17
+#define CCM_PCCR_SSI1_BAUD_REG CCM_PCCR0
+#define CCM_PCCR_SSI2_BAUD_OFFSET 16
+#define CCM_PCCR_SSI2_BAUD_REG CCM_PCCR0
+#define CCM_PCCR_EMMA_OFFSET 15
+#define CCM_PCCR_EMMA_REG CCM_PCCR0
+#define CCM_PCCR_USBOTG_OFFSET 14
+#define CCM_PCCR_USBOTG_REG CCM_PCCR0
+#define CCM_PCCR_DMA_OFFSET 13
+#define CCM_PCCR_DMA_REG CCM_PCCR0
+#define CCM_PCCR_I2C1_OFFSET 12
+#define CCM_PCCR_I2C1_REG CCM_PCCR0
+#define CCM_PCCR_GPIO_OFFSET 11
+#define CCM_PCCR_GPIO_REG CCM_PCCR0
+#define CCM_PCCR_SDHC2_OFFSET 10
+#define CCM_PCCR_SDHC2_REG CCM_PCCR0
+#define CCM_PCCR_SDHC1_OFFSET 9
+#define CCM_PCCR_SDHC1_REG CCM_PCCR0
+#define CCM_PCCR_FIRI_OFFSET 8
+#define CCM_PCCR_FIRI_MASK (1 << CCM_PCCR_BAUD_MASK)
+#define CCM_PCCR_FIRI_REG CCM_PCCR0
+#define CCM_PCCR_SSI2_IPG_OFFSET 7
+#define CCM_PCCR_SSI2_REG CCM_PCCR0
+#define CCM_PCCR_SSI1_IPG_OFFSET 6
+#define CCM_PCCR_SSI1_REG CCM_PCCR0
+#define CCM_PCCR_CSPI2_OFFSET 5
+#define CCM_PCCR_CSPI2_REG CCM_PCCR0
+#define CCM_PCCR_CSPI1_OFFSET 4
+#define CCM_PCCR_CSPI1_REG CCM_PCCR0
+#define CCM_PCCR_UART4_OFFSET 3
+#define CCM_PCCR_UART4_REG CCM_PCCR0
+#define CCM_PCCR_UART3_OFFSET 2
+#define CCM_PCCR_UART3_REG CCM_PCCR0
+#define CCM_PCCR_UART2_OFFSET 1
+#define CCM_PCCR_UART2_REG CCM_PCCR0
+#define CCM_PCCR_UART1_OFFSET 0
+#define CCM_PCCR_UART1_REG CCM_PCCR0
+
+#define CCM_PCCR_OWIRE_OFFSET 31
+#define CCM_PCCR_OWIRE_REG CCM_PCCR1
+#define CCM_PCCR_KPP_OFFSET 30
+#define CCM_PCCR_KPP_REG CCM_PCCR1
+#define CCM_PCCR_RTC_OFFSET 29
+#define CCM_PCCR_RTC_REG CCM_PCCR1
+#define CCM_PCCR_PWM_OFFSET 28
+#define CCM_PCCR_PWM_REG CCM_PCCR1
+#define CCM_PCCR_GPT3_OFFSET 27
+#define CCM_PCCR_GPT3_REG CCM_PCCR1
+#define CCM_PCCR_GPT2_OFFSET 26
+#define CCM_PCCR_GPT2_REG CCM_PCCR1
+#define CCM_PCCR_GPT1_OFFSET 25
+#define CCM_PCCR_GPT1_REG CCM_PCCR1
+#define CCM_PCCR_WDT_OFFSET 24
+#define CCM_PCCR_WDT_REG CCM_PCCR1
+#define CCM_PCCR_CSPI3_OFFSET 23
+#define CCM_PCCR_CSPI3_REG CCM_PCCR1
+
+#define CCM_PCCR_CSPI1_MASK (1 << CCM_PCCR_CSPI1_OFFSET)
+#define CCM_PCCR_CSPI2_MASK (1 << CCM_PCCR_CSPI2_OFFSET)
+#define CCM_PCCR_CSPI3_MASK (1 << CCM_PCCR_CSPI3_OFFSET)
+#define CCM_PCCR_DMA_MASK (1 << CCM_PCCR_DMA_OFFSET)
+#define CCM_PCCR_EMMA_MASK (1 << CCM_PCCR_EMMA_OFFSET)
+#define CCM_PCCR_GPIO_MASK (1 << CCM_PCCR_GPIO_OFFSET)
+#define CCM_PCCR_GPT1_MASK (1 << CCM_PCCR_GPT1_OFFSET)
+#define CCM_PCCR_GPT2_MASK (1 << CCM_PCCR_GPT2_OFFSET)
+#define CCM_PCCR_GPT3_MASK (1 << CCM_PCCR_GPT3_OFFSET)
+#define CCM_PCCR_HCLK_BROM_MASK (1 << CCM_PCCR_HCLK_BROM_OFFSET)
+#define CCM_PCCR_HCLK_CSI_MASK (1 << CCM_PCCR_HCLK_CSI_OFFSET)
+#define CCM_PCCR_HCLK_DMA_MASK (1 << CCM_PCCR_HCLK_DMA_OFFSET)
+#define CCM_PCCR_HCLK_EMMA_MASK (1 << CCM_PCCR_HCLK_EMMA_OFFSET)
+#define CCM_PCCR_HCLK_LCDC_MASK (1 << CCM_PCCR_HCLK_LCDC_OFFSET)
+#define CCM_PCCR_HCLK_SLCDC_MASK (1 << CCM_PCCR_HCLK_SLCDC_OFFSET)
+#define CCM_PCCR_HCLK_USBOTG_MASK (1 << CCM_PCCR_HCLK_USBOTG_OFFSET)
+#define CCM_PCCR_I2C1_MASK (1 << CCM_PCCR_I2C1_OFFSET)
+#define CCM_PCCR_KPP_MASK (1 << CCM_PCCR_KPP_OFFSET)
+#define CCM_PCCR_LCDC_MASK (1 << CCM_PCCR_LCDC_OFFSET)
+#define CCM_PCCR_NFC_MASK (1 << CCM_PCCR_NFC_OFFSET)
+#define CCM_PCCR_OWIRE_MASK (1 << CCM_PCCR_OWIRE_OFFSET)
+#define CCM_PCCR_PERCLK4_MASK (1 << CCM_PCCR_PERCLK4_OFFSET)
+#define CCM_PCCR_PWM_MASK (1 << CCM_PCCR_PWM_OFFSET)
+#define CCM_PCCR_RTC_MASK (1 << CCM_PCCR_RTC_OFFSET)
+#define CCM_PCCR_SDHC1_MASK (1 << CCM_PCCR_SDHC1_OFFSET)
+#define CCM_PCCR_SDHC2_MASK (1 << CCM_PCCR_SDHC2_OFFSET)
+#define CCM_PCCR_SLCDC_MASK (1 << CCM_PCCR_SLCDC_OFFSET)
+#define CCM_PCCR_SSI1_BAUD_MASK (1 << CCM_PCCR_SSI1_BAUD_OFFSET)
+#define CCM_PCCR_SSI1_IPG_MASK (1 << CCM_PCCR_SSI1_IPG_OFFSET)
+#define CCM_PCCR_SSI2_BAUD_MASK (1 << CCM_PCCR_SSI2_BAUD_OFFSET)
+#define CCM_PCCR_SSI2_IPG_MASK (1 << CCM_PCCR_SSI2_IPG_OFFSET)
+#define CCM_PCCR_UART1_MASK (1 << CCM_PCCR_UART1_OFFSET)
+#define CCM_PCCR_UART2_MASK (1 << CCM_PCCR_UART2_OFFSET)
+#define CCM_PCCR_UART3_MASK (1 << CCM_PCCR_UART3_OFFSET)
+#define CCM_PCCR_UART4_MASK (1 << CCM_PCCR_UART4_OFFSET)
+#define CCM_PCCR_USBOTG_MASK (1 << CCM_PCCR_USBOTG_OFFSET)
+#define CCM_PCCR_WDT_MASK (1 << CCM_PCCR_WDT_OFFSET)
-#define CCM_PCCR1_UART1_OFFSET 31
-#define CCM_PCCR1_UART1_MASK (1 << 31)
-#define CCM_PCCR1_UART2_OFFSET 30
-#define CCM_PCCR1_UART2_MASK (1 << 30)
-#define CCM_PCCR1_UART3_OFFSET 29
-#define CCM_PCCR1_UART3_MASK (1 << 29)
-#define CCM_PCCR1_UART4_OFFSET 28
-#define CCM_PCCR1_UART4_MASK (1 << 28)
-#define CCM_PCCR1_UART5_OFFSET 27
-#define CCM_PCCR1_UART5_MASK (1 << 27)
-#define CCM_PCCR1_UART6_OFFSET 26
-#define CCM_PCCR1_UART6_MASK (1 << 26)
-#define CCM_PCCR1_USBOTG_OFFSET 25
-#define CCM_PCCR1_USBOTG_MASK (1 << 25)
-#define CCM_PCCR1_WDT_OFFSET 24
-#define CCM_PCCR1_WDT_MASK (1 << 24)
-#define CCM_PCCR1_HCLK_ATA_OFFSET 23
-#define CCM_PCCR1_HCLK_ATA_MASK (1 << 23)
-#define CCM_PCCR1_HCLK_BROM_OFFSET 22
-#define CCM_PCCR1_HCLK_BROM_MASK (1 << 22)
-#define CCM_PCCR1_HCLK_CSI_OFFSET 21
-#define CCM_PCCR1_HCLK_CSI_MASK (1 << 21)
-#define CCM_PCCR1_HCLK_DMA_OFFSET 20
-#define CCM_PCCR1_HCLK_DMA_MASK (1 << 20)
-#define CCM_PCCR1_HCLK_EMI_OFFSET 19
-#define CCM_PCCR1_HCLK_EMI_MASK (1 << 19)
-#define CCM_PCCR1_HCLK_EMMA_OFFSET 18
-#define CCM_PCCR1_HCLK_EMMA_MASK (1 << 18)
-#define CCM_PCCR1_HCLK_FEC_OFFSET 17
-#define CCM_PCCR1_HCLK_FEC_MASK (1 << 17)
-#define CCM_PCCR1_HCLK_VPU_OFFSET 16
-#define CCM_PCCR1_HCLK_VPU_MASK (1 << 16)
-#define CCM_PCCR1_HCLK_LCDC_OFFSET 15
-#define CCM_PCCR1_HCLK_LCDC_MASK (1 << 15)
-#define CCM_PCCR1_HCLK_RTIC_OFFSET 14
-#define CCM_PCCR1_HCLK_RTIC_MASK (1 << 14)
-#define CCM_PCCR1_HCLK_SAHARA_OFFSET 13
-#define CCM_PCCR1_HCLK_SAHARA_MASK (1 << 13)
-#define CCM_PCCR1_HCLK_SLCDC_OFFSET 12
-#define CCM_PCCR1_HCLK_SLCDC_MASK (1 << 12)
-#define CCM_PCCR1_HCLK_USBOTG_OFFSET 11
-#define CCM_PCCR1_HCLK_USBOTG_MASK (1 << 11)
-#define CCM_PCCR1_PERCLK1_OFFSET 10
-#define CCM_PCCR1_PERCLK1_MASK (1 << 10)
-#define CCM_PCCR1_PERCLK2_OFFSET 9
-#define CCM_PCCR1_PERCLK2_MASK (1 << 9)
-#define CCM_PCCR1_PERCLK3_OFFSET 8
-#define CCM_PCCR1_PERCLK3_MASK (1 << 8)
-#define CCM_PCCR1_PERCLK4_OFFSET 7
-#define CCM_PCCR1_PERCLK4_MASK (1 << 7)
-#define CCM_PCCR1_VPU_BAUD_OFFSET 6
-#define CCM_PCCR1_VPU_BAUD_MASK (1 << 6)
-#define CCM_PCCR1_SSI1_BAUD_OFFSET 5
-#define CCM_PCCR1_SSI1_BAUD_MASK (1 << 5)
-#define CCM_PCCR1_SSI2_BAUD_OFFSET 4
-#define CCM_PCCR1_SSI2_BAUD_MASK (1 << 4)
-#define CCM_PCCR1_NFC_BAUD_OFFSET 3
-#define CCM_PCCR1_NFC_BAUD_MASK (1 << 3)
-#define CCM_PCCR1_MSHC_BAUD_OFFSET 2
-#define CCM_PCCR1_MSHC_BAUD_MASK (1 << 2)
#define CCM_CCSR_32KSR (1 << 15)
+
#define CCM_CCSR_CLKMODE1 (1 << 9)
#define CCM_CCSR_CLKMODE0 (1 << 8)
+
#define CCM_CCSR_CLKOSEL_OFFSET 0
#define CCM_CCSR_CLKOSEL_MASK 0x1f
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index 2f9240be1c7..a0f1b367432 100644
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -34,6 +34,10 @@
#include <mach/irqs.h>
#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/mmc.h>
+
+#include "devices.h"
/*
* Resource definition for the MXC IrDA
@@ -225,37 +229,215 @@ struct platform_device mxc_nand_device = {
.resource = mxc_nand_resources,
};
+/*
+ * lcdc:
+ * - i.MX1: the basic controller
+ * - i.MX21: to be checked
+ * - i.MX27: like i.MX1, with slightly variations
+ */
+static struct resource mxc_fb[] = {
+ {
+ .start = LCDC_BASE_ADDR,
+ .end = LCDC_BASE_ADDR + 0xFFF,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MXC_INT_LCDC,
+ .end = MXC_INT_LCDC,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+/* mxc lcd driver */
+struct platform_device mxc_fb_device = {
+ .name = "imx-fb",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_fb),
+ .resource = mxc_fb,
+ .dev = {
+ .coherent_dma_mask = 0xFFFFFFFF,
+ },
+};
+
+#ifdef CONFIG_MACH_MX27
+static struct resource mxc_fec_resources[] = {
+ {
+ .start = FEC_BASE_ADDR,
+ .end = FEC_BASE_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM
+ }, {
+ .start = MXC_INT_FEC,
+ .end = MXC_INT_FEC,
+ .flags = IORESOURCE_IRQ
+ },
+};
+
+struct platform_device mxc_fec_device = {
+ .name = "fec",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_fec_resources),
+ .resource = mxc_fec_resources,
+};
+#endif
+
+static struct resource mxc_i2c_1_resources[] = {
+ [0] = {
+ .start = I2C_BASE_ADDR,
+ .end = I2C_BASE_ADDR + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_I2C,
+ .end = MXC_INT_I2C,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+struct platform_device mxc_i2c_device0 = {
+ .name = "imx-i2c",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_i2c_1_resources),
+ .resource = mxc_i2c_1_resources
+};
+
+#ifdef CONFIG_MACH_MX27
+static struct resource mxc_i2c_2_resources[] = {
+ [0] = {
+ .start = I2C2_BASE_ADDR,
+ .end = I2C2_BASE_ADDR + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_I2C2,
+ .end = MXC_INT_I2C2,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+struct platform_device mxc_i2c_device1 = {
+ .name = "imx-i2c",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(mxc_i2c_2_resources),
+ .resource = mxc_i2c_2_resources
+};
+#endif
+
+static struct resource mxc_pwm_resources[] = {
+ [0] = {
+ .start = PWM_BASE_ADDR,
+ .end = PWM_BASE_ADDR + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = MXC_INT_PWM,
+ .end = MXC_INT_PWM,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device mxc_pwm_device = {
+ .name = "mxc_pwm",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mxc_pwm_resources),
+ .resource = mxc_pwm_resources
+};
+
+/*
+ * Resource definition for the MXC SDHC
+ */
+static struct resource mxc_sdhc1_resources[] = {
+ [0] = {
+ .start = SDHC1_BASE_ADDR,
+ .end = SDHC1_BASE_ADDR + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MXC_INT_SDHC1,
+ .end = MXC_INT_SDHC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DMA_REQ_SDHC1,
+ .end = DMA_REQ_SDHC1,
+ .flags = IORESOURCE_DMA
+ },
+};
+
+static u64 mxc_sdhc1_dmamask = 0xffffffffUL;
+
+struct platform_device mxc_sdhc_device0 = {
+ .name = "mxc-mmc",
+ .id = 0,
+ .dev = {
+ .dma_mask = &mxc_sdhc1_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(mxc_sdhc1_resources),
+ .resource = mxc_sdhc1_resources,
+};
+
+static struct resource mxc_sdhc2_resources[] = {
+ [0] = {
+ .start = SDHC2_BASE_ADDR,
+ .end = SDHC2_BASE_ADDR + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = MXC_INT_SDHC2,
+ .end = MXC_INT_SDHC2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = DMA_REQ_SDHC2,
+ .end = DMA_REQ_SDHC2,
+ .flags = IORESOURCE_DMA
+ },
+};
+
+static u64 mxc_sdhc2_dmamask = 0xffffffffUL;
+
+struct platform_device mxc_sdhc_device1 = {
+ .name = "mxc-mmc",
+ .id = 1,
+ .dev = {
+ .dma_mask = &mxc_sdhc2_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(mxc_sdhc2_resources),
+ .resource = mxc_sdhc2_resources,
+};
+
/* GPIO port description */
static struct mxc_gpio_port imx_gpio_ports[] = {
[0] = {
.chip.label = "gpio-0",
.irq = MXC_INT_GPIO,
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR),
.virtual_irq_start = MXC_GPIO_IRQ_START,
},
[1] = {
.chip.label = "gpio-1",
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
.virtual_irq_start = MXC_GPIO_IRQ_START + 32,
},
[2] = {
.chip.label = "gpio-2",
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
.virtual_irq_start = MXC_GPIO_IRQ_START + 64,
},
[3] = {
.chip.label = "gpio-3",
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
.virtual_irq_start = MXC_GPIO_IRQ_START + 96,
},
[4] = {
.chip.label = "gpio-4",
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x400),
.virtual_irq_start = MXC_GPIO_IRQ_START + 128,
},
[5] = {
.chip.label = "gpio-5",
- .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5),
+ .base = IO_ADDRESS(GPIO_BASE_ADDR + 0x500),
.virtual_irq_start = MXC_GPIO_IRQ_START + 160,
}
};
diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h
index 1e8cb577a64..049005bb6aa 100644
--- a/arch/arm/mach-mx2/devices.h
+++ b/arch/arm/mach-mx2/devices.h
@@ -1,4 +1,3 @@
-
extern struct platform_device mxc_gpt1;
extern struct platform_device mxc_gpt2;
extern struct platform_device mxc_gpt3;
@@ -14,3 +13,10 @@ extern struct platform_device mxc_uart_device4;
extern struct platform_device mxc_uart_device5;
extern struct platform_device mxc_w1_master_device;
extern struct platform_device mxc_nand_device;
+extern struct platform_device mxc_fb_device;
+extern struct platform_device mxc_fec_device;
+extern struct platform_device mxc_pwm_device;
+extern struct platform_device mxc_i2c_device0;
+extern struct platform_device mxc_i2c_device1;
+extern struct platform_device mxc_sdhc_device0;
+extern struct platform_device mxc_sdhc_device1;
diff --git a/arch/arm/mach-mx2/generic.c b/arch/arm/mach-mx2/generic.c
index dea6521d4d5..bd51dd04948 100644
--- a/arch/arm/mach-mx2/generic.c
+++ b/arch/arm/mach-mx2/generic.c
@@ -21,6 +21,7 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <mach/hardware.h>
+#include <mach/common.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index 2b5c67f5457..4a3b097adc1 100644
--- a/arch/arm/mach-mx2/mx27ads.c
+++ b/arch/arm/mach-mx2/mx27ads.c
@@ -31,7 +31,7 @@
#include <asm/mach/map.h>
#include <mach/gpio.h>
#include <mach/imx-uart.h>
-#include <mach/iomux-mx1-mx2.h>
+#include <mach/iomux.h>
#include <mach/board-mx27ads.h>
#include "devices.h"
@@ -135,6 +135,7 @@ static int uart_mxc_port3_exit(struct platform_device *pdev)
{
mxc_gpio_release_multiple_pins(mxc_uart3_pins,
ARRAY_SIZE(mxc_uart3_pins));
+ return 0;
}
static int mxc_uart4_pins[] = {
@@ -179,6 +180,7 @@ static int uart_mxc_port5_exit(struct platform_device *pdev)
static struct platform_device *platform_devices[] __initdata = {
&mx27ads_nor_mtd_device,
+ &mxc_fec_device,
};
static int mxc_fec_pins[] = {
@@ -196,7 +198,7 @@ static int mxc_fec_pins[] = {
PD11_AOUT_FEC_TX_CLK,
PD12_AOUT_FEC_RXD0,
PD13_AOUT_FEC_RX_DV,
- PD14_AOUT_FEC_CLR,
+ PD14_AOUT_FEC_RX_CLK,
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN
@@ -208,12 +210,6 @@ static void gpio_fec_active(void)
ARRAY_SIZE(mxc_fec_pins), "FEC");
}
-static void gpio_fec_inactive(void)
-{
- mxc_gpio_release_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins));
-}
-
static struct imxuart_platform_data uart_pdata[] = {
{
.init = uart_mxc_port0_init,
@@ -263,11 +259,10 @@ static void __init mx27ads_timer_init(void)
if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
fref = 27000000;
- mxc_clocks_init(fref);
- mxc_timer_init("gpt_clk.0");
+ mx27_clocks_init(fref);
}
-struct sys_timer mx27ads_timer = {
+static struct sys_timer mx27ads_timer = {
.init = mx27ads_timer_init,
};
@@ -280,7 +275,7 @@ static struct map_desc mx27ads_io_desc[] __initdata = {
},
};
-void __init mx27ads_map_io(void)
+static void __init mx27ads_map_io(void)
{
mxc_map_io();
iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c
index dfd4156da7d..aa4eaa61d1b 100644
--- a/arch/arm/mach-mx2/pcm038.c
+++ b/arch/arm/mach-mx2/pcm038.c
@@ -20,11 +20,18 @@
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <mach/common.h>
#include <mach/hardware.h>
-#include <mach/iomux-mx1-mx2.h>
+#include <mach/iomux.h>
+#ifdef CONFIG_I2C_IMX
+#include <mach/i2c.h>
+#endif
#include <asm/mach/time.h>
#include <mach/imx-uart.h>
#include <mach/board-pcm038.h>
@@ -121,10 +128,10 @@ static int uart_mxc_port1_exit(struct platform_device *pdev)
return 0;
}
-static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS,
+static int mxc_uart2_pins[] = { PE8_PF_UART3_TXD,
PE9_PF_UART3_RXD,
PE10_PF_UART3_CTS,
- PE9_PF_UART3_RXD };
+ PE11_PF_UART3_RTS };
static int uart_mxc_port2_init(struct platform_device *pdev)
{
@@ -170,7 +177,7 @@ static int mxc_fec_pins[] = {
PD11_AOUT_FEC_TX_CLK,
PD12_AOUT_FEC_RXD0,
PD13_AOUT_FEC_RX_DV,
- PD14_AOUT_FEC_CLR,
+ PD14_AOUT_FEC_RX_CLK,
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN
@@ -182,12 +189,6 @@ static void gpio_fec_active(void)
ARRAY_SIZE(mxc_fec_pins), "FEC");
}
-static void gpio_fec_inactive(void)
-{
- mxc_gpio_release_multiple_pins(mxc_fec_pins,
- ARRAY_SIZE(mxc_fec_pins));
-}
-
static struct mxc_nand_platform_data pcm038_nand_board_info = {
.width = 1,
.hw_ecc = 1,
@@ -196,6 +197,7 @@ static struct mxc_nand_platform_data pcm038_nand_board_info = {
static struct platform_device *platform_devices[] __initdata = {
&pcm038_nor_mtd_device,
&mxc_w1_master_device,
+ &mxc_fec_device,
&pcm038_sram_mtd_device,
};
@@ -208,6 +210,51 @@ static void __init pcm038_init_sram(void)
__raw_writel(0x22220a00, CSCR_A(1));
}
+#ifdef CONFIG_I2C_IMX
+static int mxc_i2c1_pins[] = {
+ PC5_PF_I2C2_SDA,
+ PC6_PF_I2C2_SCL
+};
+
+static int pcm038_i2c_1_init(struct device *dev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_i2c1_pins, ARRAY_SIZE(mxc_i2c1_pins),
+ "I2C1");
+}
+
+static void pcm038_i2c_1_exit(struct device *dev)
+{
+ mxc_gpio_release_multiple_pins(mxc_i2c1_pins, ARRAY_SIZE(mxc_i2c1_pins));
+}
+
+static struct imxi2c_platform_data pcm038_i2c_1_data = {
+ .bitrate = 100000,
+ .init = pcm038_i2c_1_init,
+ .exit = pcm038_i2c_1_exit,
+};
+
+static struct at24_platform_data board_eeprom = {
+ .byte_len = 4096,
+ .page_size = 32,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info pcm038_i2c_devices[] = {
+ [0] = {
+ I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
+ .platform_data = &board_eeprom,
+ },
+ [1] = {
+ I2C_BOARD_INFO("rtc-pcf8563", 0x51),
+ .type = "pcf8563"
+ },
+ [2] = {
+ I2C_BOARD_INFO("lm75", 0x4a),
+ .type = "lm75"
+ }
+};
+#endif
+
static void __init pcm038_init(void)
{
gpio_fec_active();
@@ -217,9 +264,17 @@ static void __init pcm038_init(void)
mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
- mxc_gpio_mode(PE16_AF_RTCK); /* OWIRE */
+ mxc_gpio_mode(PE16_AF_OWIRE);
mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info);
+#ifdef CONFIG_I2C_IMX
+ /* only the i2c master 1 is used on this CPU card */
+ i2c_register_board_info(1, pcm038_i2c_devices,
+ ARRAY_SIZE(pcm038_i2c_devices));
+
+ mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data);
+#endif
+
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
#ifdef CONFIG_MACH_PCM970_BASEBOARD
@@ -229,11 +284,10 @@ static void __init pcm038_init(void)
static void __init pcm038_timer_init(void)
{
- mxc_clocks_init(26000000);
- mxc_timer_init("gpt_clk.0");
+ mx27_clocks_init(26000000);
}
-struct sys_timer pcm038_timer = {
+static struct sys_timer pcm038_timer = {
.init = pcm038_timer_init,
};
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index a560cd6ad23..bf4e520bc1b 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -17,9 +17,138 @@
*/
#include <linux/platform_device.h>
-#include <mach/hardware.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+
#include <asm/mach/arch.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/mmc.h>
+#include <mach/imxfb.h>
+#include <mach/iomux.h>
+
+#include "devices.h"
+
+static int pcm970_sdhc2_get_ro(struct device *dev)
+{
+ return gpio_get_value(GPIO_PORTC + 28);
+}
+
+static int pcm970_sdhc2_pins[] = {
+ PB4_PF_SD2_D0,
+ PB5_PF_SD2_D1,
+ PB6_PF_SD2_D2,
+ PB7_PF_SD2_D3,
+ PB8_PF_SD2_CMD,
+ PB9_PF_SD2_CLK,
+};
+
+static int pcm970_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data)
+{
+ int ret;
+
+ ret = mxc_gpio_setup_multiple_pins(pcm970_sdhc2_pins,
+ ARRAY_SIZE(pcm970_sdhc2_pins), "sdhc2");
+ if(ret)
+ return ret;
+
+ ret = request_irq(IRQ_GPIOC(29), detect_irq, 0,
+ "imx-mmc-detect", data);
+ if (ret)
+ goto out_release_gpio;
+
+ set_irq_type(IRQ_GPIOC(29), IRQF_TRIGGER_FALLING);
+
+ ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro");
+ if (ret)
+ goto out_release_gpio;
+
+ mxc_gpio_mode((GPIO_PORTC | 28) | GPIO_GPIO | GPIO_IN);
+ gpio_direction_input(GPIO_PORTC + 28);
+
+ return 0;
+
+out_release_gpio:
+ mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins,
+ ARRAY_SIZE(pcm970_sdhc2_pins));
+ return ret;
+}
+
+static void pcm970_sdhc2_exit(struct device *dev, void *data)
+{
+ free_irq(IRQ_GPIOC(29), data);
+ gpio_free(GPIO_PORTC + 28);
+ mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins,
+ ARRAY_SIZE(pcm970_sdhc2_pins));
+}
+
+static struct imxmmc_platform_data sdhc_pdata = {
+ .get_ro = pcm970_sdhc2_get_ro,
+ .init = pcm970_sdhc2_init,
+ .exit = pcm970_sdhc2_exit,
+};
+
+static int mxc_fb_pins[] = {
+ PA5_PF_LSCLK, PA6_PF_LD0, PA7_PF_LD1, PA8_PF_LD2,
+ PA9_PF_LD3, PA10_PF_LD4, PA11_PF_LD5, PA12_PF_LD6,
+ PA13_PF_LD7, PA14_PF_LD8, PA15_PF_LD9, PA16_PF_LD10,
+ PA17_PF_LD11, PA18_PF_LD12, PA19_PF_LD13, PA20_PF_LD14,
+ PA21_PF_LD15, PA22_PF_LD16, PA23_PF_LD17, PA24_PF_REV,
+ PA25_PF_CLS, PA26_PF_PS, PA27_PF_SPL_SPR, PA28_PF_HSYNC,
+ PA29_PF_VSYNC, PA30_PF_CONTRAST, PA31_PF_OE_ACD
+};
+
+static int pcm038_fb_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_fb_pins,
+ ARRAY_SIZE(mxc_fb_pins), "FB");
+}
+
+static int pcm038_fb_exit(struct platform_device *pdev)
+{
+ mxc_gpio_release_multiple_pins(mxc_fb_pins, ARRAY_SIZE(mxc_fb_pins));
+
+ return 0;
+}
+
+/*
+ * Connected is a portrait Sharp-QVGA display
+ * of type: LQ035Q7DH06
+ */
+static struct imx_fb_platform_data pcm038_fb_data = {
+ .pixclock = 188679, /* in ps (5.3MHz) */
+ .xres = 240,
+ .yres = 320,
+
+ .bpp = 16,
+ .hsync_len = 7,
+ .left_margin = 5,
+ .right_margin = 16,
+
+ .vsync_len = 1,
+ .upper_margin = 7,
+ .lower_margin = 9,
+ .fixed_screen_cpu = 0,
+
+ /*
+ * - HSYNC active high
+ * - VSYNC active high
+ * - clk notenabled while idle
+ * - clock not inverted
+ * - data not inverted
+ * - data enable low active
+ * - enable sharp mode
+ */
+ .pcr = 0xFA0080C0,
+ .pwmr = 0x00A903FF,
+ .lscr1 = 0x00120300,
+ .dmacr = 0x00020010,
+
+ .init = pcm038_fb_init,
+ .exit = pcm038_fb_exit,
+};
+
/*
* system init for baseboard usage. Will be called by pcm038 init.
*
@@ -28,4 +157,6 @@
*/
void __init pcm970_baseboard_init(void)
{
+ mxc_register_device(&mxc_fb_device, &pcm038_fb_data);
+ mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
}
diff --git a/arch/arm/mach-mx2/serial.c b/arch/arm/mach-mx2/serial.c
index 16debc296da..40a485cdc10 100644
--- a/arch/arm/mach-mx2/serial.c
+++ b/arch/arm/mach-mx2/serial.c
@@ -22,6 +22,7 @@
#include <linux/serial.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
+#include "devices.h"
static struct resource uart0[] = {
{
@@ -99,6 +100,7 @@ struct platform_device mxc_uart_device3 = {
.num_resources = ARRAY_SIZE(uart3),
};
+#ifdef CONFIG_MACH_MX27
static struct resource uart4[] = {
{
.start = UART5_BASE_ADDR,
@@ -136,3 +138,4 @@ struct platform_device mxc_uart_device5 = {
.resource = uart5,
.num_resources = ARRAY_SIZE(uart5),
};
+#endif
diff --git a/arch/arm/mach-mx2/system.c b/arch/arm/mach-mx2/system.c
deleted file mode 100644
index 7b8269719d1..00000000000
--- a/arch/arm/mach-mx2/system.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/proc-fns.h>
-#include <asm/system.h>
-
-/*
- * Put the CPU into idle mode. It is called by default_idle()
- * in process.c file.
- */
-void arch_idle(void)
-{
- /*
- * This should do all the clock switching
- * and wait for interrupt tricks.
- */
- cpu_do_idle();
-}
-
-#define WDOG_WCR_REG IO_ADDRESS(WDOG_BASE_ADDR)
-#define WDOG_WCR_SRS (1 << 4)
-
-/*
- * Reset the system. It is called by machine_restart().
- */
-void arch_reset(char mode)
-{
- struct clk *clk;
-
- clk = clk_get(NULL, "wdog_clk");
- if (!clk) {
- printk(KERN_ERR"Cannot activate the watchdog. Giving up\n");
- return;
- }
-
- clk_enable(clk);
-
- /* Assert SRS signal */
- __raw_writew(__raw_readw(WDOG_WCR_REG) & ~WDOG_WCR_SRS, WDOG_WCR_REG);
-}