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powerpc/85xx: Move INIT_RAM_ADDR physical address to 36-bit space
If 36-bit physical address is used, move the INIT_RAM_ADDR to higher address. This frees the low 4GB address space for better use. Signed-off-by: York Sun <yorksun@freescale.com>
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1 changed files with 10 additions and 0 deletions
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@ -330,8 +330,18 @@ _start_e500:
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lis r8,FSL_BOOKE_MAS2(CONFIG_SYS_INIT_RAM_ADDR, 0)@h
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lis r8,FSL_BOOKE_MAS2(CONFIG_SYS_INIT_RAM_ADDR, 0)@h
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ori r8,r8,FSL_BOOKE_MAS2(CONFIG_SYS_INIT_RAM_ADDR, 0)@l
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ori r8,r8,FSL_BOOKE_MAS2(CONFIG_SYS_INIT_RAM_ADDR, 0)@l
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#if defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW) && \
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defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS_HIGH)
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lis r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW, 0,
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(MAS3_SX|MAS3_SW|MAS3_SR))@h
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ori r9,r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR_PHYS_LOW, 0,
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(MAS3_SX|MAS3_SW|MAS3_SR))@l
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li r10,CONFIG_SYS_INIT_RAM_ADDR_PHYS_HIGH
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mtspr MAS7,r10
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#else
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lis r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h
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lis r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h
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ori r9,r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l
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ori r9,r9,FSL_BOOKE_MAS3(CONFIG_SYS_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l
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#endif
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mtspr MAS0,r6
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mtspr MAS0,r6
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mtspr MAS1,r7
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mtspr MAS1,r7
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