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authorSascha Hauer <s.hauer@pengutronix.de>2008-03-30 11:30:43 +0100
committerPeter Pearse <peter.pearse@arm.com>2008-03-30 11:30:43 +0100
commitc98b47ad24b2d91f41c09a3d62d7f70ad84f4b7d (patch)
tree59d23f1e9e65137d2e9b479304e74899d59ce4b5 /include/asm-arm
parent8bf69d81782619187933a605f1a95ee1d069478d (diff)
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core support for Freescale mx31
This patch adds the core support for Freescale mx31 Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-mx31/mx31-regs.h136
-rw-r--r--include/asm-arm/arch-mx31/mx31.h32
2 files changed, 168 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mx31/mx31-regs.h b/include/asm-arm/arch-mx31/mx31-regs.h
new file mode 100644
index 0000000..ece6420
--- /dev/null
+++ b/include/asm-arm/arch-mx31/mx31-regs.h
@@ -0,0 +1,136 @@
+/*
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __ASM_ARCH_MX31_REGS_H
+#define __ASM_ARCH_MX31_REGS_H
+
+#define __REG(x) (*((volatile u32 *)(x)))
+#define __REG16(x) (*((volatile u16 *)(x)))
+#define __REG8(x) (*((volatile u8 *)(x)))
+
+#define CCM_BASE 0x53f80000
+#define CCM_CCMR (CCM_BASE + 0x00)
+#define CCM_PDR0 (CCM_BASE + 0x04)
+#define CCM_PDR1 (CCM_BASE + 0x08)
+#define CCM_RCSR (CCM_BASE + 0x0c)
+#define CCM_MPCTL (CCM_BASE + 0x10)
+#define CCM_UPCTL (CCM_BASE + 0x10)
+#define CCM_SPCTL (CCM_BASE + 0x18)
+#define CCM_COSR (CCM_BASE + 0x1C)
+
+#define CCMR_MDS (1 << 7)
+#define CCMR_SBYCS (1 << 4)
+#define CCMR_MPE (1 << 3)
+#define CCMR_PRCS_MASK (3 << 1)
+#define CCMR_FPM (1 << 1)
+#define CCMR_CKIH (2 << 1)
+
+#define PDR0_CSI_PODF(x) (((x) & 0x1ff) << 23)
+#define PDR0_PER_PODF(x) (((x) & 0x1f) << 16)
+#define PDR0_HSP_PODF(x) (((x) & 0x7) << 11)
+#define PDR0_NFC_PODF(x) (((x) & 0x7) << 8)
+#define PDR0_IPG_PODF(x) (((x) & 0x3) << 6)
+#define PDR0_MAX_PODF(x) (((x) & 0x7) << 3)
+#define PDR0_MCU_PODF(x) ((x) & 0x7)
+
+#define PLL_PD(x) (((x) & 0xf) << 26)
+#define PLL_MFD(x) (((x) & 0x3ff) << 16)
+#define PLL_MFI(x) (((x) & 0xf) << 10)
+#define PLL_MFN(x) (((x) & 0x3ff) << 0)
+
+#define WEIM_BASE 0xb8002000
+#define CSCR_U(x) (WEIM_BASE + (x) * 0x10)
+#define CSCR_L(x) (WEIM_BASE + 4 + (x) * 0x10)
+#define CSCR_A(x) (WEIM_BASE + 8 + (x) * 0x10)
+
+#define IOMUXC_BASE 0x43FAC000
+#define IOMUXC_GPR (IOMUXC_BASE + 0x8)
+#define IOMUXC_SW_MUX_CTL(x) (IOMUXC_BASE + 0xc + (x) * 4)
+#define IOMUXC_SW_PAD_CTL(x) (IOMUXC_BASE + 0x154 + (x) * 4)
+
+#define IPU_BASE 0x53fc0000
+#define IPU_CONF IPU_BASE
+
+#define IPU_CONF_PXL_ENDIAN (1<<8)
+#define IPU_CONF_DU_EN (1<<7)
+#define IPU_CONF_DI_EN (1<<6)
+#define IPU_CONF_ADC_EN (1<<5)
+#define IPU_CONF_SDC_EN (1<<4)
+#define IPU_CONF_PF_EN (1<<3)
+#define IPU_CONF_ROT_EN (1<<2)
+#define IPU_CONF_IC_EN (1<<1)
+#define IPU_CONF_SCI_EN (1<<0)
+
+#define WDOG_BASE 0x53FDC000
+
+/*
+ * Signal Multiplexing (IOMUX)
+ */
+
+/* bits in the SW_MUX_CTL registers */
+#define MUX_CTL_OUT_GPIO_DR (0 << 4)
+#define MUX_CTL_OUT_FUNC (1 << 4)
+#define MUX_CTL_OUT_ALT1 (2 << 4)
+#define MUX_CTL_OUT_ALT2 (3 << 4)
+#define MUX_CTL_OUT_ALT3 (4 << 4)
+#define MUX_CTL_OUT_ALT4 (5 << 4)
+#define MUX_CTL_OUT_ALT5 (6 << 4)
+#define MUX_CTL_OUT_ALT6 (7 << 4)
+#define MUX_CTL_IN_NONE (0 << 0)
+#define MUX_CTL_IN_GPIO (1 << 0)
+#define MUX_CTL_IN_FUNC (2 << 0)
+#define MUX_CTL_IN_ALT1 (4 << 0)
+#define MUX_CTL_IN_ALT2 (8 << 0)
+
+#define MUX_CTL_FUNC (MUX_CTL_OUT_FUNC | MUX_CTL_IN_FUNC)
+#define MUX_CTL_ALT1 (MUX_CTL_OUT_ALT1 | MUX_CTL_IN_ALT1)
+#define MUX_CTL_ALT2 (MUX_CTL_OUT_ALT2 | MUX_CTL_IN_ALT2)
+#define MUX_CTL_GPIO (MUX_CTL_OUT_GPIO_DR | MUX_CTL_IN_GPIO)
+
+/* Register offsets based on IOMUXC_BASE */
+/* 0x00 .. 0x7b */
+#define MUX_CTL_RTS1 0x7c
+#define MUX_CTL_CTS1 0x7d
+#define MUX_CTL_DTR_DCE1 0x7e
+#define MUX_CTL_DSR_DCE1 0x7f
+#define MUX_CTL_CSPI2_SCLK 0x80
+#define MUX_CTL_CSPI2_SPI_RDY 0x81
+#define MUX_CTL_RXD1 0x82
+#define MUX_CTL_TXD1 0x83
+#define MUX_CTL_CSPI2_MISO 0x84
+/* 0x85 .. 0x8a */
+#define MUX_CTL_CSPI2_MOSI 0x8b
+
+/* The modes a specific pin can be in
+ * these macros can be used in mx31_gpio_mux() and have the form
+ * MUX_[contact name]__[pin function]
+ */
+#define MUX_RXD1__UART1_RXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_RXD1)
+#define MUX_TXD1__UART1_TXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_TXD1)
+#define MUX_RTS1__UART1_RTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_RTS1)
+#define MUX_RTS1__UART1_CTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_CTS1)
+
+#define MUX_CSPI2_MOSI__I2C2_SCL ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MOSI)
+#define MUX_CSPI2_MISO__I2C2_SCL ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MISO)
+
+#endif /* __ASM_ARCH_MX31_REGS_H */
diff --git a/include/asm-arm/arch-mx31/mx31.h b/include/asm-arm/arch-mx31/mx31.h
new file mode 100644
index 0000000..f89a401
--- /dev/null
+++ b/include/asm-arm/arch-mx31/mx31.h
@@ -0,0 +1,32 @@
+/*
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __ASM_ARCH_MX31_H
+#define __ASM_ARCH_MX31_H
+
+u32 mx31_get_mpl_dpdgck_clk(void);
+u32 mx31_get_mcu_main_clk(void);
+u32 mx31_get_ipg_clk(void);
+void mx31_gpio_mux(unsigned long mode);
+
+#endif /* __ASM_ARCH_MX31_H */