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GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

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lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
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source/bootloader/u-boot-2020.01/arch/arm/mach-at91/matrix.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Atmel Corporation
* Wenyou Yang <wenyou.yang@atmel.com>
*/
#include <common.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/arch/sama5_matrix.h>
void matrix_init(void)
{
struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0;
struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1;
int i;
/* DDR port 1 ~ port 7 */
for (i = H64MX_SLAVE_DDRC_PORT1; i <= H64MX_SLAVE_DDRC_PORT7; i++) {
writel(0x000f0f0f, &h64mx->ssr[i]);
writel(0x0000ffff, &h64mx->sassr[i]);
writel(0x0000000f, &h64mx->srtsr[i]);
}
/* EBI CS3 (NANDFlash 128M) and NFC Command Registers(128M) */
writel(0x00c0c0c0, &h32mx->ssr[H32MX_SLAVE_EBI]);
writel(0xff000000, &h32mx->sassr[H32MX_SLAVE_EBI]);
writel(0xff000000, &h32mx->srtsr[H32MX_SLAVE_EBI]);
/* NFC SRAM */
writel(0x00010101, &h32mx->ssr[H32MX_SLAVE_NFC_SRAM]);
writel(0x00000001, &h32mx->sassr[H32MX_SLAVE_NFC_SRAM]);
writel(0x00000001, &h32mx->srtsr[H32MX_SLAVE_NFC_SRAM]);
}