upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/powerpc/include/asm/mpc512x.h

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/*
* include/asm-ppc/mpc512x.h
*
* Prototypes, etc. for the Freescale MPC512x embedded cpu chips
*
* 2009 (C) Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASMPPC_MPC512X_H
#define __ASMPPC_MPC512X_H
/*
* macros for manipulating CSx_START/STOP
*/
#define CSAW_START(start) ((start) & 0xFFFF0000)
#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)
/*
* Inlines
*/
/*
* According to MPC5121e RM, configuring local access windows should
* be followed by a dummy read of the config register that was
* modified last and an isync.
*/
static inline void sync_law(volatile void *addr)
{
in_be32(addr);
__asm__ __volatile__ ("isync");
}
/*
* Prototypes
*/
extern long int fixed_sdram(ddr512x_config_t *mddrc_config,
u32 *dram_init_seq, int seq_sz);
extern int mpc5121_diu_init(void);
extern void ide_set_reset(int idereset);
#endif /* __ASMPPC_MPC512X_H */