Signed-off-by: Bo Shen <voice.s...@atmel.com>
---
Changes in v2: None
arch/arm/cpu/armv7/at91/sama5d4_devices.c | 35 +++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/cpu/armv7/at91/sama5d4_devices.c
b/arch/arm/cpu/armv7/at91/sama5d4_devices.c
index 7469825..9c63e99 100644
--- a/arch/arm/cpu/armv7/at91/sama5d4_devices.c
+++ b/arch/arm/cpu/armv7/at91/sama5d4_devices.c
@@ -10,6 +10,7 @@
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/clk.h>
+#include <asm/arch/sama5_matrix.h>
#include <asm/arch/sama5d4.h>
char *get_cpu_name()
@@ -44,3 +45,37 @@ void at91_udp_hw_init(void)
at91_periph_clk_enable(ATMEL_ID_UDPHS);
}
#endif
+
+#ifdef CONFIG_SPL_BUILD
+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;
+
+ /* Disable the write protect */
+ writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr);
+ writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr);
+
+ /* DDR port 1 ~ poart 7, slave number is: 4 ~ 10 */
+ for (i = 4; i <= 10; i++) {
+ writel(0x000f0f0f, &h64mx->ssr[i]);
+ writel(0x0000ffff, &h64mx->sassr[i]);
+ writel(0x0000000f, &h64mx->srtsr[i]);
+ }
+
+ /* CS3 */
+ writel(0x00c0c0c0, &h32mx->ssr[3]);
+ writel(0xff000000, &h32mx->sassr[3]);
+ writel(0xff000000, &h32mx->srtsr[3]);
+
+ /* NFC SRAM */
+ writel(0x00010101, &h32mx->ssr[4]);
+ writel(0x00000001, &h32mx->sassr[4]);
+ writel(0x00000001, &h32mx->srtsr[4]);
+
+ /* Enable the write protect */
+ writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr);
+ writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr);
+}
+#endif
--
2.1.0.24.g4109c28
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