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Diffstat (limited to 'arch/arm/include/asm/arch-mx25/macro.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mx25/macro.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx25/macro.h b/arch/arm/include/asm/arch-mx25/macro.h new file mode 100644 index 0000000..56cae36 --- /dev/null +++ b/arch/arm/include/asm/arch-mx25/macro.h @@ -0,0 +1,107 @@ +/* + * (C) Copyright 2011 + * Matthias Weisser <weisserm@arcor.de> + * + * (C) Copyright 2009 DENX Software Engineering + * Author: John Rigby <jrigby@gmail.com> + * + * Common asm macros for imx25 + * + * 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_ARM_ARCH_MACRO_H__ +#define __ASM_ARM_ARCH_MACRO_H__ +#ifdef __ASSEMBLY__ + +#include <asm/arch/imx-regs.h> +#include <generated/asm-offsets.h> +#include <asm/macro.h> + +/* + * AIPS setup - Only setup MPROTx registers. + * The PACR default values are good. + * + * Default argument values: + * - MPR: Set all MPROTx to be non-bufferable, trusted for R/W, not forced to + * user-mode. + */ +.macro init_aips mpr=0x77777777 + ldr r0, =IMX_AIPS1_BASE + ldr r1, =\mpr + str r1, [r0, #AIPS_MPR_0_7] + str r1, [r0, #AIPS_MPR_8_15] + ldr r2, =IMX_AIPS2_BASE + str r1, [r2, #AIPS_MPR_0_7] + str r1, [r2, #AIPS_MPR_8_15] +.endm + +/* + * MAX (Multi-Layer AHB Crossbar Switch) setup + * + * Default argument values: + * - MPR: priority is IAHB > DAHB > USBOTG > RTIC > eSDHC2/SDMA + * - SGPCR: always park on last master + * - MGPCR: restore default values + */ +.macro init_max mpr=0x00043210, sgpcr=0x00000010, mgpcr=0x00000000 + ldr r0, =IMX_MAX_BASE + ldr r1, =\mpr + str r1, [r0, #MAX_MPR0] /* for S0 */ + str r1, [r0, #MAX_MPR1] /* for S1 */ + str r1, [r0, #MAX_MPR2] /* for S2 */ + str r1, [r0, #MAX_MPR3] /* for S3 */ + str r1, [r0, #MAX_MPR4] /* for S4 */ + ldr r1, =\sgpcr + str r1, [r0, #MAX_SGPCR0] /* for S0 */ + str r1, [r0, #MAX_SGPCR1] /* for S1 */ + str r1, [r0, #MAX_SGPCR2] /* for S2 */ + str r1, [r0, #MAX_SGPCR3] /* for S3 */ + str r1, [r0, #MAX_SGPCR4] /* for S4 */ + ldr r1, =\mgpcr + str r1, [r0, #MAX_MGPCR0] /* for M0 */ + str r1, [r0, #MAX_MGPCR1] /* for M1 */ + str r1, [r0, #MAX_MGPCR2] /* for M2 */ + str r1, [r0, #MAX_MGPCR3] /* for M3 */ + str r1, [r0, #MAX_MGPCR4] /* for M4 */ +.endm + +/* + * M3IF setup + * + * Default argument values: + * - CTL: + * MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001 + * MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000 + * MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000 + * MRRP[3] = USBH not on priority list (0 << 3) = 0x00000000 + * MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000 + * MRRP[5] = eSDHC1/ATA/FEC not on priority list (0 << 5) = 0x00000000 + * MRRP[6] = LCDC/SLCDC/MAX2 not on priority list (0 << 6) = 0x00000000 + * MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000 + * ------------ + * 0x00000001 + */ +.macro init_m3if ctl=0x00000001 + /* M3IF Control Register (M3IFCTL) */ + write32 IMX_M3IF_CTRL_BASE, \ctl +.endm + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_ARM_ARCH_MACRO_H__ */ |
