86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* arch/arm/mach-ep93xx/include/mach/ts72xx.h
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*/
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/*
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* TS72xx memory map:
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*
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* virt phys size
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* febff000 22000000 4K model number register (bits 0-2)
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* febfe000 22400000 4K options register
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* febfd000 22800000 4K options register #2
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*/
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#define TS72XX_MODEL_PHYS_BASE 0x22000000
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#define TS72XX_MODEL_VIRT_BASE IOMEM(0xfebff000)
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#define TS72XX_MODEL_SIZE 0x00001000
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#define TS72XX_MODEL_TS7200 0x00
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#define TS72XX_MODEL_TS7250 0x01
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#define TS72XX_MODEL_TS7260 0x02
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#define TS72XX_MODEL_TS7300 0x03
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#define TS72XX_MODEL_TS7400 0x04
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#define TS72XX_MODEL_MASK 0x07
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#define TS72XX_OPTIONS_PHYS_BASE 0x22400000
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#define TS72XX_OPTIONS_VIRT_BASE IOMEM(0xfebfe000)
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#define TS72XX_OPTIONS_SIZE 0x00001000
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#define TS72XX_OPTIONS_COM2_RS485 0x02
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#define TS72XX_OPTIONS_MAX197 0x01
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#define TS72XX_OPTIONS2_PHYS_BASE 0x22800000
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#define TS72XX_OPTIONS2_VIRT_BASE IOMEM(0xfebfd000)
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#define TS72XX_OPTIONS2_SIZE 0x00001000
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#define TS72XX_OPTIONS2_TS9420 0x04
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#define TS72XX_OPTIONS2_TS9420_BOOT 0x02
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#ifndef __ASSEMBLY__
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static inline int ts72xx_model(void)
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{
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return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
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}
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static inline int board_is_ts7200(void)
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{
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return ts72xx_model() == TS72XX_MODEL_TS7200;
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}
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static inline int board_is_ts7250(void)
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{
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return ts72xx_model() == TS72XX_MODEL_TS7250;
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}
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static inline int board_is_ts7260(void)
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{
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return ts72xx_model() == TS72XX_MODEL_TS7260;
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}
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static inline int board_is_ts7300(void)
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{
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return ts72xx_model() == TS72XX_MODEL_TS7300;
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}
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static inline int board_is_ts7400(void)
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{
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return ts72xx_model() == TS72XX_MODEL_TS7400;
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}
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static inline int is_max197_installed(void)
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{
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return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
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TS72XX_OPTIONS_MAX197);
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}
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static inline int is_ts9420_installed(void)
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{
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return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
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TS72XX_OPTIONS2_TS9420);
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}
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#endif
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