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mc: Simplify clock enable/reset

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Additionally utilize the redirect flag.
This commit is contained in:
CTCaer 2020-12-27 12:50:20 +02:00
parent cbbd427d3a
commit df80339060
1 changed files with 11 additions and 7 deletions
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18
bdk/mem/mc.c
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 CTCaer
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -20,6 +20,8 @@
#include <soc/clock.h>
#include <utils/util.h>
//#define CONFIG_ENABLE_AHB_REDIRECT
void mc_config_tsec_carveout(u32 bom, u32 size1mb, bool lock)
{
MC(MC_SEC_CARVEOUT_BOM) = bom;
@ -143,17 +145,19 @@ void mc_disable_ahb_redirect()
void mc_enable()
{
// Reset EMC source to PLLP.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) & 0x1FFFFFFF) | 0x40000000;
// Enable memory clocks.
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) & ~BIT(CLK_H_EMC)) | BIT(CLK_H_EMC);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) & ~BIT(CLK_H_MEM)) | BIT(CLK_H_MEM);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = (CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) & ~BIT(CLK_X_EMC_DLL)) | BIT(CLK_X_EMC_DLL);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_EMC);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_MEM);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = BIT(CLK_X_EMC_DLL);
// Clear clock resets for memory.
CLOCK(CLK_RST_CONTROLLER_RST_DEV_H_CLR) = BIT(CLK_H_EMC) | BIT(CLK_H_MEM);
usleep(5);
//#ifdef CONFIG_ENABLE_AHB_REDIRECT
#ifdef CONFIG_ENABLE_AHB_REDIRECT
mc_enable_ahb_redirect();
#else
mc_disable_ahb_redirect();
//mc_enable_ahb_redirect();
//#endif
#endif
}