diff options
Diffstat (limited to 'arch/arm/mach-at91/matrix.c')
| -rw-r--r-- | arch/arm/mach-at91/matrix.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/matrix.c b/arch/arm/mach-at91/matrix.c new file mode 100644 index 0000000..57d7270 --- /dev/null +++ b/arch/arm/mach-at91/matrix.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2015 Atmel Corporation + * Wenyou Yang <wenyou.yang@atmel.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.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]); +} |