i.MX2 family: Add basic mach support (headers)

This patch adds basic mach support for the mx2 processor family, based
on the original freescale code and adapted to mainline kernel coding
style.

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

3 files changed, 353 insertions, 0 deletions

diff --git a/arch/arm/mach-mx2/crm_regs.h b/arch/arm/mach-mx2/crm_regs.h
new file mode 100644
index 00000000000..a40a9b950ce
--- /dev/null
+++ b/arch/arm/mach-mx2/crm_regs.h
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2004-2007 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __ARCH_ARM_MACH_MX2_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX2_CRM_REGS_H__
+
+#include <asm/arch/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_USB_OFFSET     28
+#define CCM_CSCR_USB_MASK       (0x7 << 28)
+#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_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_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)
+#define CCM_MPCTL0_MFD_OFFSET   16
+#define CCM_MPCTL0_MFD_MASK     (0x3ff << 16)
+#define CCM_MPCTL0_MFI_OFFSET   10
+#define CCM_MPCTL0_MFI_MASK     (0xf << 10)
+#define CCM_MPCTL0_MFN_OFFSET   0
+#define CCM_MPCTL0_MFN_MASK     0x3ff
+
+#define CCM_MPCTL1_LF           (1 << 15)
+#define CCM_MPCTL1_BRMO         (1 << 6)
+
+#define CCM_SPCTL0_CPLM         (1 << 31)
+#define CCM_SPCTL0_PD_OFFSET    26
+#define CCM_SPCTL0_PD_MASK      (0xf << 26)
+#define CCM_SPCTL0_MFD_OFFSET   16
+#define CCM_SPCTL0_MFD_MASK     (0x3ff << 16)
+#define CCM_SPCTL0_MFI_OFFSET   10
+#define CCM_SPCTL0_MFI_MASK     (0xf << 10)
+#define CCM_SPCTL0_MFN_OFFSET   0
+#define CCM_SPCTL0_MFN_MASK     0x3ff
+
+#define CCM_SPCTL1_LF           (1 << 15)
+#define CCM_SPCTL1_BRMO         (1 << 6)
+
+#define CCM_OSC26MCTL_PEAK_OFFSET       16
+#define CCM_OSC26MCTL_PEAK_MASK         (0x3 << 16)
+#define CCM_OSC26MCTL_AGC_OFFSET        8
+#define CCM_OSC26MCTL_AGC_MASK          (0x3f << 8)
+#define CCM_OSC26MCTL_ANATEST_OFFSET    0
+#define CCM_OSC26MCTL_ANATEST_MASK      0x3f
+
+#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_PCDR1_PERDIV4_OFFSET        24
+#define CCM_PCDR1_PERDIV4_MASK          (0x3f << 24)
+#define CCM_PCDR1_PERDIV3_OFFSET        16
+#define CCM_PCDR1_PERDIV3_MASK          (0x3f << 16)
+#define CCM_PCDR1_PERDIV2_OFFSET        8
+#define CCM_PCDR1_PERDIV2_MASK          (0x3f << 8)
+#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_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
+
+#define SYS_FMCR                0x14	/*  Functional Muxing Control Reg */
+#define SYS_CHIP_ID             0x00	/* The offset of CHIP ID register */
+
+#endif /* __ARCH_ARM_MACH_MX2_CRM_REGS_H__ */
diff --git a/include/asm-arm/arch-mxc/hardware.h b/include/asm-arm/arch-mxc/hardware.h
index 4ed2d8072d0..f841127ef75 100644
--- a/include/asm-arm/arch-mxc/hardware.h
+++ b/include/asm-arm/arch-mxc/hardware.h
@@ -26,6 +26,9 @@
 # include <asm/arch/mx31.h>
 #endif
 
+#ifdef CONFIG_ARCH_MX2
+#endif
+
 #include <asm/arch/mxc.h>
 
 #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */
diff --git a/include/asm-arm/arch-mxc/iim.h b/include/asm-arm/arch-mxc/iim.h
new file mode 100644
index 00000000000..315bffadafd
--- /dev/null
+++ b/include/asm-arm/arch-mxc/iim.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2004-2007 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+
+#ifndef __ASM_ARCH_MXC_IIM_H__
+#define __ASM_ARCH_MXC_IIM_H__
+
+/* Register offsets */
+#define MXC_IIMSTAT             0x0000
+#define MXC_IIMSTATM            0x0004
+#define MXC_IIMERR              0x0008
+#define MXC_IIMEMASK            0x000C
+#define MXC_IIMFCTL             0x0010
+#define MXC_IIMUA               0x0014
+#define MXC_IIMLA               0x0018
+#define MXC_IIMSDAT             0x001C
+#define MXC_IIMPREV             0x0020
+#define MXC_IIMSREV             0x0024
+#define MXC_IIMPRG_P            0x0028
+#define MXC_IIMSCS0             0x002C
+#define MXC_IIMSCS1             0x0030
+#define MXC_IIMSCS2             0x0034
+#define MXC_IIMSCS3             0x0038
+#define MXC_IIMFBAC0            0x0800
+#define MXC_IIMJAC              0x0804
+#define MXC_IIMHWV1             0x0808
+#define MXC_IIMHWV2             0x080C
+#define MXC_IIMHAB0             0x0810
+#define MXC_IIMHAB1             0x0814
+/* Definitions for i.MX27 TO2 */
+#define MXC_IIMMAC              0x0814
+#define MXC_IIMPREV_FUSE        0x0818
+#define MXC_IIMSREV_FUSE        0x081C
+#define MXC_IIMSJC_CHALL_0      0x0820
+#define MXC_IIMSJC_CHALL_7      0x083C
+#define MXC_IIMFB0UC17          0x0840
+#define MXC_IIMFB0UC255         0x0BFC
+#define MXC_IIMFBAC1            0x0C00
+/* Definitions for i.MX27 TO2 */
+#define MXC_IIMSUID             0x0C04
+#define MXC_IIMKEY0             0x0C04
+#define MXC_IIMKEY20            0x0C54
+#define MXC_IIMSJC_RESP_0       0x0C58
+#define MXC_IIMSJC_RESP_7       0x0C74
+#define MXC_IIMFB1UC30          0x0C78
+#define MXC_IIMFB1UC255         0x0FFC
+
+/* Bit definitions */
+
+#define MXC_IIMHWV1_WLOCK               (0x1 << 7)
+#define MXC_IIMHWV1_MCU_ENDIAN          (0x1 << 6)
+#define MXC_IIMHWV1_DSP_ENDIAN          (0x1 << 5)
+#define MXC_IIMHWV1_BOOT_INT            (0x1 << 4)
+#define MXC_IIMHWV1_SCC_DISABLE         (0x1 << 3)
+#define MXC_IIMHWV1_HANTRO_DISABLE      (0x1 << 2)
+#define MXC_IIMHWV1_MEMSTICK_DIS        (0x1 << 1)
+
+#define MXC_IIMHWV2_WLOCK               (0x1 << 7)
+#define MXC_IIMHWV2_BP_SDMA             (0x1 << 6)
+#define MXC_IIMHWV2_SCM_DCM             (0x1 << 5)
+
+#endif /* __ASM_ARCH_MXC_IIM_H__ */