mirror of
https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/* SPDX-License-Identifier: Intel */
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/*
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* Copyright (C) 2013, Intel Corporation
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* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
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*
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* Ported from Intel released Quark UEFI BIOS
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* QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
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*/
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#ifndef _MRC_UTIL_H_
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#define _MRC_UTIL_H_
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/* Turn on this macro to enable MRC debugging output */
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#undef MRC_DEBUG
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/* MRC Debug Support */
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#define DPF debug_cond
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/* debug print type */
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#ifdef MRC_DEBUG
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#define D_ERROR 0x0001
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#define D_INFO 0x0002
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#define D_REGRD 0x0004
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#define D_REGWR 0x0008
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#define D_FCALL 0x0010
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#define D_TRN 0x0020
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#define D_TIME 0x0040
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#else
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#define D_ERROR 0
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#define D_INFO 0
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#define D_REGRD 0
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#define D_REGWR 0
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#define D_FCALL 0
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#define D_TRN 0
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#define D_TIME 0
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#endif
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#define ENTERFN(...) debug_cond(D_FCALL, "<%s>\n", __func__)
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#define LEAVEFN(...) debug_cond(D_FCALL, "</%s>\n", __func__)
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#define REPORTFN(...) debug_cond(D_FCALL, "<%s/>\n", __func__)
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/* Message Bus Port */
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#define MEM_CTLR 0x01
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#define HOST_BRIDGE 0x03
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#define MEM_MGR 0x05
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#define HTE 0x11
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#define DDRPHY 0x12
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/* number of sample points */
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#define SAMPLE_CNT 3
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/* number of PIs to increment per sample */
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#define SAMPLE_DLY 26
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enum {
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/* indicates to decrease delays when looking for edge */
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BACKWARD,
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/* indicates to increase delays when looking for edge */
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FORWARD
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};
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enum {
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RCVN,
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WDQS,
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WDQX,
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RDQS,
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VREF,
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WCMD,
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WCTL,
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WCLK,
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MAX_ALGOS,
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};
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void mrc_write_mask(u32 unit, u32 addr, u32 data, u32 mask);
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void mrc_alt_write_mask(u32 unit, u32 addr, u32 data, u32 mask);
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void mrc_post_code(uint8_t major, uint8_t minor);
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void delay_n(uint32_t ns);
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void delay_u(uint32_t ms);
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void select_mem_mgr(void);
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void select_hte(void);
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void dram_init_command(uint32_t data);
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void dram_wake_command(void);
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void training_message(uint8_t channel, uint8_t rank, uint8_t byte_lane);
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void set_rcvn(uint8_t channel, uint8_t rank,
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uint8_t byte_lane, uint32_t pi_count);
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uint32_t get_rcvn(uint8_t channel, uint8_t rank, uint8_t byte_lane);
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void set_rdqs(uint8_t channel, uint8_t rank,
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uint8_t byte_lane, uint32_t pi_count);
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uint32_t get_rdqs(uint8_t channel, uint8_t rank, uint8_t byte_lane);
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void set_wdqs(uint8_t channel, uint8_t rank,
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uint8_t byte_lane, uint32_t pi_count);
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uint32_t get_wdqs(uint8_t channel, uint8_t rank, uint8_t byte_lane);
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void set_wdq(uint8_t channel, uint8_t rank,
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uint8_t byte_lane, uint32_t pi_count);
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uint32_t get_wdq(uint8_t channel, uint8_t rank, uint8_t byte_lane);
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void set_wcmd(uint8_t channel, uint32_t pi_count);
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uint32_t get_wcmd(uint8_t channel);
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void set_wclk(uint8_t channel, uint8_t rank, uint32_t pi_count);
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uint32_t get_wclk(uint8_t channel, uint8_t rank);
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void set_wctl(uint8_t channel, uint8_t rank, uint32_t pi_count);
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uint32_t get_wctl(uint8_t channel, uint8_t rank);
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void set_vref(uint8_t channel, uint8_t byte_lane, uint32_t setting);
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uint32_t get_vref(uint8_t channel, uint8_t byte_lane);
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uint32_t get_addr(uint8_t channel, uint8_t rank);
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uint32_t sample_dqs(struct mrc_params *mrc_params, uint8_t channel,
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uint8_t rank, bool rcvn);
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void find_rising_edge(struct mrc_params *mrc_params, uint32_t delay[],
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uint8_t channel, uint8_t rank, bool rcvn);
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uint32_t byte_lane_mask(struct mrc_params *mrc_params);
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uint32_t check_rw_coarse(struct mrc_params *mrc_params, uint32_t address);
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uint32_t check_bls_ex(struct mrc_params *mrc_params, uint32_t address);
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void lfsr32(uint32_t *lfsr_ptr);
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void clear_pointers(void);
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void print_timings(struct mrc_params *mrc_params);
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#endif /* _MRC_UTIL_H_ */
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