730107e6c1
Modem uses different memory regions based on LTE/WiFi. This adds correct carve-out to prevent region being disturbed. BUG=b:182963902 TEST=Validated on qualcomm sc7280 developement board Signed-off-by: T Michael Turney <quic_mturney@quicinc.com> Change-Id: I56bfb210606b08893ff71dd1b6679f1ec102ec95 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58545 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Shelley Chen <shchen@google.com>
22 lines
413 B
C
22 lines
413 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <arch/stages.h>
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#include <soc/mmu_common.h>
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#include <soc/symbols_common.h>
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#include <device/mmio.h>
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#define MODEM_ONLY 0x004c5445
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bool soc_modem_carve_out(void **start, void **end)
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{
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uint32_t modem_id = read32(_modem_id);
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switch (modem_id) {
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case MODEM_ONLY:
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*start = _dram_modem;
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*end = _edram_modem;
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return true;
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default:
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return false;
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}
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}
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