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86 lines
2.3 KiB
86 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Copyright (C) 2006 Lennert Buytenhek <[email protected]> |
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*/ |
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#include <asm/mach-types.h> |
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static inline unsigned int __raw_readl(unsigned int ptr) |
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{ |
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return *((volatile unsigned int *)ptr); |
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} |
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static inline void __raw_writeb(unsigned char value, unsigned int ptr) |
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{ |
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*((volatile unsigned char *)ptr) = value; |
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} |
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static inline void __raw_writel(unsigned int value, unsigned int ptr) |
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{ |
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*((volatile unsigned int *)ptr) = value; |
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} |
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/* |
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* Some bootloaders don't turn off DMA from the ethernet MAC before |
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* jumping to linux, which means that we might end up with bits of RX |
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* status and packet data scribbled over the uncompressed kernel image. |
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* Work around this by resetting the ethernet MAC before we uncompress. |
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*/ |
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#define PHYS_ETH_SELF_CTL 0x80010020 |
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#define ETH_SELF_CTL_RESET 0x00000001 |
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static inline void ep93xx_ethernet_reset(void) |
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{ |
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unsigned int v; |
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/* Reset the ethernet MAC. */ |
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v = __raw_readl(PHYS_ETH_SELF_CTL); |
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__raw_writel(v | ETH_SELF_CTL_RESET, PHYS_ETH_SELF_CTL); |
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/* Wait for reset to finish. */ |
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while (__raw_readl(PHYS_ETH_SELF_CTL) & ETH_SELF_CTL_RESET) |
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; |
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} |
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#define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000 |
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#define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000 |
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#define TS72XX_WDT_FEED_VAL 0x05 |
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static inline void __maybe_unused ts72xx_watchdog_disable(void) |
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{ |
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__raw_writeb(TS72XX_WDT_FEED_VAL, TS72XX_WDT_FEED_PHYS_BASE); |
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__raw_writeb(0, TS72XX_WDT_CONTROL_PHYS_BASE); |
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} |
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static inline void ep93xx_decomp_setup(void) |
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{ |
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if (machine_is_ts72xx()) |
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ts72xx_watchdog_disable(); |
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if (machine_is_adssphere() || |
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machine_is_edb9301() || |
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machine_is_edb9302() || |
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machine_is_edb9302a() || |
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machine_is_edb9302a() || |
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machine_is_edb9307() || |
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machine_is_edb9307a() || |
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machine_is_edb9307a() || |
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machine_is_edb9312() || |
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machine_is_edb9315() || |
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machine_is_edb9315a() || |
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machine_is_edb9315a() || |
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machine_is_gesbc9312() || |
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machine_is_micro9() || |
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machine_is_micro9l() || |
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machine_is_micro9m() || |
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machine_is_micro9s() || |
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machine_is_micro9m() || |
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machine_is_micro9l() || |
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machine_is_micro9s() || |
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machine_is_sim_one() || |
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machine_is_snapper_cl15() || |
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machine_is_ts72xx() || |
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machine_is_bk3() || |
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machine_is_vision_ep9307()) |
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ep93xx_ethernet_reset(); |
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}
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