55 lines
2 KiB
Diff
55 lines
2 KiB
Diff
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From c7c7e6309ae12f2cb0d9053875876b57bb7587e4 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Wed, 5 Jun 2013 09:04:56 +0200
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Subject: [PATCH 026/203] arm: mvebu: move cache and mvebu-mbus initialization
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later
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Current, the L2 cache and the mvebu-mbus drivers are initialized at
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->init_early() time. However, at ->init_early() time, ioremap() only
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works if a static I/O mapping has already been put in place. If it's
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not the case, it tries to do a memory allocation with kmalloc() which
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is not possible so early at this stage of the initialization.
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Since we want to get rid of the static I/O mapping, we cannot
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initialize the L2 cache driver and the mvebu-mbus driver so early. So,
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we move their initialization to the ->init_time() level, which is
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slightly later (so ioremap() works properly), but sufficiently early
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to be before the call of the ->smp_prepare_cpus() hook, which creates
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an address decoding window for the BootROM, which requires the
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mvebu-mbus driver to be properly initialized.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Acked-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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---
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arch/arm/mach-mvebu/armada-370-xp.c | 8 ++------
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1 file changed, 2 insertions(+), 6 deletions(-)
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--- a/arch/arm/mach-mvebu/armada-370-xp.c
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+++ b/arch/arm/mach-mvebu/armada-370-xp.c
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@@ -45,14 +45,11 @@ static void __init armada_370_xp_map_io(
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static void __init armada_370_xp_timer_and_clk_init(void)
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{
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+ char *mbus_soc_name;
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+
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mvebu_clocks_init();
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armada_370_xp_timer_init();
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coherency_init();
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-}
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-
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-static void __init armada_370_xp_init_early(void)
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-{
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- char *mbus_soc_name;
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/*
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* This initialization will be replaced by a DT-based
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@@ -88,7 +85,6 @@ DT_MACHINE_START(ARMADA_XP_DT, "Marvell
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.smp = smp_ops(armada_xp_smp_ops),
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.init_machine = armada_370_xp_dt_init,
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.map_io = armada_370_xp_map_io,
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- .init_early = armada_370_xp_init_early,
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.init_irq = irqchip_init,
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.init_time = armada_370_xp_timer_and_clk_init,
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.restart = mvebu_restart,
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