diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/hardware.h | 165 |
1 files changed, 145 insertions, 20 deletions
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h index 3caadeeda701..57a7a468c8f8 100644 --- a/arch/arm/plat-mxc/include/mach/hardware.h +++ b/arch/arm/plat-mxc/include/mach/hardware.h @@ -1,20 +1,11 @@ /* - * 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. + * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. */ #ifndef __ASM_ARCH_MXC_HARDWARE_H__ @@ -22,16 +13,150 @@ #include <asm/sizes.h> +/* + * --------------------------------------------------------------------------- + * Processor specific defines + * --------------------------------------------------------------------------- + */ +#define CHIP_REV_1_0 0x10 +#define CHIP_REV_1_1 0x11 +#define CHIP_REV_1_2 0x12 +#define CHIP_REV_1_3 0x13 +#define CHIP_REV_2_0 0x20 +#define CHIP_REV_2_1 0x21 +#define CHIP_REV_2_2 0x22 +#define CHIP_REV_2_3 0x23 +#define CHIP_REV_3_0 0x30 +#define CHIP_REV_3_1 0x31 +#define CHIP_REV_3_2 0x32 + +#define BOARD_REV_2 0x100 + +#ifndef __ASSEMBLY__ +extern unsigned int system_rev; +#endif +#define mxc_set_system_rev(part, rev) { \ + system_rev = (part << 12) | rev; \ +} + +#define mxc_cpu() (system_rev >> 12) +#define mxc_is_cpu(part) ((mxc_cpu() == part) ? 1 : 0) +#define mxc_cpu_rev() (system_rev & 0xFF) +#define mxc_cpu_rev_major() ((system_rev >> 4) & 0xF) +#define mxc_cpu_rev_minor() (system_rev & 0xF) +#define mxc_cpu_is_rev(rev) \ + ((mxc_cpu_rev() == rev) ? 1 : ((mxc_cpu_rev() < rev) ? -1 : 2)) +#define MXC_REV(type) \ +static inline int type## _rev (int rev) \ +{ \ + return (type() ? mxc_cpu_is_rev(rev) : 0); \ +} + #ifdef CONFIG_ARCH_MX3 # include <mach/mx31.h> +#define cpu_is_mx31() (mxc_is_cpu(0x31)) /*system_rev got from Redboot */ +#define cpu_is_mx32() (mxc_is_cpu(0x32)) /*system_rev got from Redboot */ +#else +#define cpu_is_mx31() (0) +#define cpu_is_mx32() (0) +#endif + +#ifdef CONFIG_ARCH_MX35 +#include <mach/mx35.h> +#define cpu_is_mx35() (1) +#define board_is_mx35(rev) ((system_rev & rev) ? 1 : 0) +#else +#define cpu_is_mx35() (0) +#define board_is_mx35(rev) (0) +#endif + +#ifdef CONFIG_ARCH_MX37 +#include <mach/mx37.h> +#define cpu_is_mx37() (1) +#define board_is_mx37(rev) ((system_rev & rev) ? 1 : 0) +#else +#define cpu_is_mx37() (0) +#define board_is_mx37(rev) (0) #endif -#ifdef CONFIG_ARCH_MX2 -# ifdef CONFIG_MACH_MX27 -# include <mach/mx27.h> -# endif +#ifdef CONFIG_ARCH_MX51 +#include <mach/mx51.h> +#define cpu_is_mx51() (1) +#define board_is_mx51(rev) ((system_rev & rev) ? 1 : 0) +/* BB25:Bit8 is set to 1, BB20: Bit8 is set to 0 */ +#define board_is_babbage_2_5() ((system_rev & 0x1FF) >> 8) +#else +#define cpu_is_mx51() (0) +#define board_is_mx51(rev) (0) +#define board_is_babbage_2_5() (0) #endif +#ifdef CONFIG_ARCH_MX21 +#include <mach/mx21.h> +#define cpu_is_mx21() (1) +#else +#define cpu_is_mx21() (0) +#endif + +#ifdef CONFIG_ARCH_MX25 +#include <mach/mx25.h> +#define cpu_is_mx25() (1) +#else +#define cpu_is_mx25() (0) +#endif + +#ifdef CONFIG_ARCH_MX27 +#include <mach/mx27.h> +#define cpu_is_mx27() (1) +#else +#define cpu_is_mx27() (0) +#endif + +#define cpu_is_mx2() \ + (cpu_is_mx21() || cpu_is_mx25() || cpu_is_mx27()) +#define cpu_is_mx3() \ + (cpu_is_mx31() || cpu_is_mx35() || cpu_is_mx37()) + + +#ifndef __ASSEMBLY__ +/* + * Create inline functions to test for cpu revision + * Function name is cpu_is_<cpu name>_rev(rev) + * + * Returns: + * 0 - not the cpu queried + * 1 - cpu and revision match + * 2 - cpu matches, but cpu revision is greater than queried rev + * -1 - cpu matches, but cpu revision is less than queried rev + */ +MXC_REV(cpu_is_mx21); +MXC_REV(cpu_is_mx25); +MXC_REV(cpu_is_mx27); +MXC_REV(cpu_is_mx31); +MXC_REV(cpu_is_mx32); +MXC_REV(cpu_is_mx35); +MXC_REV(cpu_is_mx37); +MXC_REV(cpu_is_mx51); +#endif #include <mach/mxc.h> +#define MXC_MAX_GPIO_LINES (GPIO_NUM_PIN * GPIO_PORT_NUM) + +#define MXC_EXP_IO_BASE (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES) +#define MXC_MAX_EXP_IO_LINES 16 + +#ifdef CONFIG_MXC_PSEUDO_IRQS +#define MXC_PSEUDO_IO_BASE (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES) +#define MXC_MAX_PSEUDO_IO_LINES 16 +#else +#define MXC_MAX_PSEUDO_IO_LINES 0 +#endif + +#ifndef MXC_INT_FORCE +#define MXC_INT_FORCE -1 +#endif +#define MXC_MAX_INTS (MXC_MAX_INT_LINES + \ + MXC_MAX_GPIO_LINES + \ + MXC_MAX_EXP_IO_LINES + \ + MXC_MAX_PSEUDO_IO_LINES) #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */ |