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arm: at91/spl: atmel_sfr: move saic redirect to separate file
To make saic redirect code sharing with other SoCs, move the saic redirect code from SAMA5D4 particular file, mach-at91/armv7/sama5d4_devices.c to a separate file, mach-at91/atmel_sfr.c Move ATMEL_SFR_AICREDIR_KEY definition to sama5d4.h, because each SoC has its own value. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
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5 changed files with 25 additions and 15 deletions
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@ -10,7 +10,7 @@ obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o
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obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
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obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o
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obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
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obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o
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obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
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obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o
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obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o
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obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o matrix.o atmel_sfr.o
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obj-y += spl.o
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obj-y += spl.o
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endif
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endif
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@ -45,16 +45,3 @@ void at91_udp_hw_init(void)
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at91_periph_clk_enable(ATMEL_ID_UDPHS);
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at91_periph_clk_enable(ATMEL_ID_UDPHS);
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}
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}
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#endif
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#endif
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#ifdef CONFIG_SPL_BUILD
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void redirect_int_from_saic_to_aic(void)
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{
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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u32 key32;
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if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
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key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
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writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
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}
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}
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#endif
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21
arch/arm/mach-at91/atmel_sfr.c
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21
arch/arm/mach-at91/atmel_sfr.c
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@ -0,0 +1,21 @@
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/*
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* Copyright (C) 2015 Atmel Corporation
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* Wenyou Yang <wenyou.yang@atmel.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/sama5_sfr.h>
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void redirect_int_from_saic_to_aic(void)
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{
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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u32 key32;
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if (!(readl(&sfr->aicredir) & ATMEL_SFR_AICREDIR_NSAIC)) {
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key32 = readl(&sfr->sn1) ^ ATMEL_SFR_AICREDIR_KEY;
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writel((key32 | ATMEL_SFR_AICREDIR_NSAIC), &sfr->aicredir);
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}
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}
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@ -32,7 +32,6 @@ struct atmel_sfr {
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#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000
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#define ATMEL_SFR_DDRCFG_FDQSIEN 0x00020000
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/* Bit field in AICREDIR */
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/* Bit field in AICREDIR */
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#define ATMEL_SFR_AICREDIR_KEY 0x5F67B102
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#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001
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#define ATMEL_SFR_AICREDIR_NSAIC 0x00000001
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#endif
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#endif
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@ -204,6 +204,9 @@
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#define H32MX_SLAVE_USB 5 /* USB Device & Host */
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#define H32MX_SLAVE_USB 5 /* USB Device & Host */
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#define H32MX_SLAVE_SMD 6 /* Soft Modem (SMD) */
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#define H32MX_SLAVE_SMD 6 /* Soft Modem (SMD) */
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/* AICREDIR Unlock Key */
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#define ATMEL_SFR_AICREDIR_KEY 0x5F67B102
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/* sama5d4 series chip id definitions */
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/* sama5d4 series chip id definitions */
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#define ARCH_ID_SAMA5D4 0x8a5c07c0
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#define ARCH_ID_SAMA5D4 0x8a5c07c0
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#define ARCH_EXID_SAMA5D41 0x00000001
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#define ARCH_EXID_SAMA5D41 0x00000001
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