plat: marvell: ap807: enable snoop filter for ap807
Snoop filter needs to be enabled once per cluster. Change-Id: I241e72f21982142ba290c7547df6f434e6a6a98d Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
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@ -13,7 +13,21 @@
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#define CCU_HTC_ASET (MVEBU_CCU_BASE(MVEBU_AP0) + 0x264)
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#define MVEBU_IO_AFFINITY (0xF00)
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#define MVEBU_SF_REG (MVEBU_REGS_BASE + 0x40)
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#define MVEBU_SF_EN BIT(8)
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#ifdef MVEBU_SOC_AP807
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static void plat_enable_snoop_filter(void)
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{
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int cpu_id = plat_my_core_pos();
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/* Snoop filter needs to be enabled once per cluster */
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if (cpu_id % 2)
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return;
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mmio_setbits_32(MVEBU_SF_REG, MVEBU_SF_EN);
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}
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#endif
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static void plat_enable_affinity(void)
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{
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@ -42,4 +56,8 @@ void marvell_psci_arch_init(int die_index)
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/* Enable Affinity */
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plat_enable_affinity();
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#ifdef MVEBU_SOC_AP807
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plat_enable_snoop_filter();
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#endif
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}
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