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654bc380ec
keep default as 3.14, mt7621 gic need to be ported to 3.18 Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44349
46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
From 071e97587a291d3a5bbd614a425f46b7f90310aa Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Sun, 16 Mar 2014 04:40:48 +0000
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Subject: [PATCH 08/57] MIPS: ralink: allow manual memory override
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RT5350 relies on the bootloader setting up the memc correctly.
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On sme boards the setup is incorrect leading to 32 MB being available but only 16 being recognized. Allow these boards to manually override the memory range
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.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/ralink/of.c | 16 +++++++++++++++-
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1 file changed, 15 insertions(+), 1 deletion(-)
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--- a/arch/mips/ralink/of.c
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+++ b/arch/mips/ralink/of.c
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@@ -53,6 +53,17 @@ void __init device_tree_init(void)
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unflatten_and_copy_device_tree();
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}
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+static int memory_dtb;
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+
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+static int __init early_init_dt_find_memory(unsigned long node, const char *uname,
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+ int depth, void *data)
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+{
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+ if (depth == 1 && !strcmp(uname, "memory@0"))
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+ memory_dtb = 1;
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+
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+ return 0;
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+}
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+
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void __init plat_mem_setup(void)
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{
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set_io_port_base(KSEG1);
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@@ -63,7 +74,10 @@ void __init plat_mem_setup(void)
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*/
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__dt_setup_arch(__dtb_start);
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- if (soc_info.mem_size)
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+ of_scan_flat_dt(early_init_dt_find_memory, NULL);
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+ if (memory_dtb)
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+ of_scan_flat_dt(early_init_dt_scan_memory, NULL);
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+ else if (soc_info.mem_size)
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add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M,
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BOOT_MEM_RAM);
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else
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