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- /*
- * Copyright (c) 2011 The Chromium OS Authors.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <common.h>
- #include "emc.h"
- #include <asm/io.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/emc.h>
- #include <asm/arch/pmu.h>
- #include <asm/arch/tegra.h>
- #include <asm/arch-tegra/ap.h>
- #include <asm/arch-tegra/clk_rst.h>
- #include <asm/arch-tegra/sys_proto.h>
- DECLARE_GLOBAL_DATA_PTR;
- /* These rates are hard-coded for now, until fdt provides them */
- #define EMC_SDRAM_RATE_T20 (333000 * 2 * 1000)
- #define EMC_SDRAM_RATE_T25 (380000 * 2 * 1000)
- int board_emc_init(void)
- {
- unsigned rate;
- switch (tegra_get_chip_sku()) {
- default:
- case TEGRA_SOC_T20:
- rate = EMC_SDRAM_RATE_T20;
- break;
- case TEGRA_SOC_T25:
- rate = EMC_SDRAM_RATE_T25;
- break;
- }
- return tegra_set_emc(gd->fdt_blob, rate);
- }
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