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https://github.com/brain-hackers/u-boot-brain
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94e9411b9d
We need to track which TLB CAM entries are used to allow us to "dynamically" allocate entries later in the code. For example the SPD DDR code today hard codes which TLB entries it uses. We can now make that pick entries that are free. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* Copyright 2009 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#ifndef _ASM_CONFIG_H_
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#define _ASM_CONFIG_H_
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#ifndef CONFIG_MAX_MEM_MAPPED
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#if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
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#define CONFIG_MAX_MEM_MAPPED ((phys_size_t)2 << 30)
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#else
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#define CONFIG_MAX_MEM_MAPPED (256 << 20)
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#endif
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#endif
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/* Check if boards need to enable FSL DMA engine for SDRAM init */
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#if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
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#if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
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((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
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!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
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#define CONFIG_FSL_DMA
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#endif
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#endif
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#if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \
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defined(CONFIG_P2020) || defined(CONFIG_MPC8641)
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#define CONFIG_MAX_CPUS 2
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#elif defined(CONFIG_PPC_P4080)
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#define CONFIG_MAX_CPUS 8
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#else
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#define CONFIG_MAX_CPUS 1
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#endif
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/*
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* Provide a default boot page translation virtual address that lines up with
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* Freescale's default e500 reset page.
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*/
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#if (defined(CONFIG_E500) && defined(CONFIG_MP))
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#ifndef CONFIG_BPTR_VIRT_ADDR
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#define CONFIG_BPTR_VIRT_ADDR 0xfffff000
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#endif
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#endif
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/* Enable TSEC2.0 for the platforms that have it if we are using TSEC */
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#if defined(CONFIG_TSEC_ENET) && \
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(defined(CONFIG_P1020) || defined(CONFIG_P1011))
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#define CONFIG_TSECV2
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#endif
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/* Number of TLB CAM entries we have on FSL Book-E chips */
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#if defined(CONFIG_E500MC)
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#define CONFIG_SYS_NUM_TLBCAMS 64
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#elif defined(CONFIG_E500)
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#define CONFIG_SYS_NUM_TLBCAMS 16
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#endif
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/* Relocation to SDRAM works on all PPC boards */
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#define CONFIG_RELOC_FIXUP_WORKS
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#endif /* _ASM_CONFIG_H_ */
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