diff options
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/mxs.h')
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/mxs.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h new file mode 100644 index 00000000..7d4fb6d0 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/mxs.h @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2009-2010 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 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 __MACH_MXS_H__ +#define __MACH_MXS_H__ + +#ifndef __ASSEMBLER__ +#include <linux/io.h> +#endif +#include <asm/mach-types.h> +#include <mach/digctl.h> +#include <mach/hardware.h> + +/* + * IO addresses common to MXS-based + */ +#define MXS_IO_BASE_ADDR 0x80000000 +#define MXS_IO_SIZE SZ_1M + +#define MXS_ICOLL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x000000) +#define MXS_APBH_DMA_BASE_ADDR (MXS_IO_BASE_ADDR + 0x004000) +#define MXS_BCH_BASE_ADDR (MXS_IO_BASE_ADDR + 0x00a000) +#define MXS_GPMI_BASE_ADDR (MXS_IO_BASE_ADDR + 0x00c000) +#define MXS_PINCTRL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x018000) +#define MXS_DIGCTL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x01c000) +#define MXS_APBX_DMA_BASE_ADDR (MXS_IO_BASE_ADDR + 0x024000) +#define MXS_DCP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x028000) +#define MXS_PXP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02a000) +#define MXS_OCOTP_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02c000) +#define MXS_AXI_AHB0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x02e000) +#define MXS_LCDIF_BASE_ADDR (MXS_IO_BASE_ADDR + 0x030000) +#define MXS_CLKCTRL_BASE_ADDR (MXS_IO_BASE_ADDR + 0x040000) +#define MXS_SAIF0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x042000) +#define MXS_POWER_BASE_ADDR (MXS_IO_BASE_ADDR + 0x044000) +#define MXS_SAIF1_BASE_ADDR (MXS_IO_BASE_ADDR + 0x046000) +#define MXS_LRADC_BASE_ADDR (MXS_IO_BASE_ADDR + 0x050000) +#define MXS_SPDIF_BASE_ADDR (MXS_IO_BASE_ADDR + 0x054000) +#define MXS_I2C0_BASE_ADDR (MXS_IO_BASE_ADDR + 0x058000) +#define MXS_PWM_BASE_ADDR (MXS_IO_BASE_ADDR + 0x064000) +#define MXS_TIMROT_BASE_ADDR (MXS_IO_BASE_ADDR + 0x068000) +#define MXS_AUART1_BASE_ADDR (MXS_IO_BASE_ADDR + 0x06c000) +#define MXS_AUART2_BASE_ADDR (MXS_IO_BASE_ADDR + 0x06e000) +#define MXS_DRAM_BASE_ADDR (MXS_IO_BASE_ADDR + 0x0e0000) + +/* + * It maps the whole address space to [0xf4000000, 0xf50fffff]. + * + * OCRAM 0x00000000+0x020000 -> 0xf4000000+0x020000 + * IO 0x80000000+0x100000 -> 0xf5000000+0x100000 + */ +#define MXS_IO_P2V(x) (0xf4000000 + \ + (((x) & 0x80000000) >> 7) + \ + (((x) & 0x000fffff))) + +#define MXS_IO_ADDRESS(x) IOMEM(MXS_IO_P2V(x)) + +#define mxs_map_entry(soc, name, _type) { \ + .virtual = soc ## _IO_P2V(soc ## _ ## name ## _BASE_ADDR), \ + .pfn = __phys_to_pfn(soc ## _ ## name ## _BASE_ADDR), \ + .length = soc ## _ ## name ## _SIZE, \ + .type = _type, \ +} + +#define MXS_GPIO_NR(bank, nr) ((bank) * 32 + (nr)) + +#define MXS_SET_ADDR 0x4 +#define MXS_CLR_ADDR 0x8 +#define MXS_TOG_ADDR 0xc + +#ifndef __ASSEMBLER__ +static inline void __mxs_setl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_SET_ADDR); +} + +static inline void __mxs_clrl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_CLR_ADDR); +} + +static inline void __mxs_togl(u32 mask, void __iomem *reg) +{ + __raw_writel(mask, reg + MXS_TOG_ADDR); +} + +/* + * MXS CPU types + */ +#define MXS_CHIPID (MXS_IO_ADDRESS(MXS_DIGCTL_BASE_ADDR) + HW_DIGCTL_CHIPID) + +static inline int cpu_is_mx23(void) +{ + return ((__raw_readl(MXS_CHIPID) >> 16) == 0x3780); +} + +static inline int cpu_is_mx28(void) +{ + return ((__raw_readl(MXS_CHIPID) >> 16) == 0x2800); +} +#endif + +#endif /* __MACH_MXS_H__ */ |