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Diffstat (limited to 'board/renesas/rcar-common/common.c')
-rw-r--r--board/renesas/rcar-common/common.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c
new file mode 100644
index 0000000..33c1726
--- /dev/null
+++ b/board/renesas/rcar-common/common.c
@@ -0,0 +1,65 @@
+/*
+ * board/renesas/rcar-common/common.c
+ *
+ * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/rmobile.h>
+#include <asm/arch/rcar-mstp.h>
+
+#define TSTR0 0x04
+#define TSTR0_STR0 0x01
+
+static struct mstp_ctl mstptbl[] = {
+ { SMSTPCR0, MSTP0_BITS, CONFIG_SMSTP0_ENA,
+ RMSTPCR0, MSTP0_BITS, CONFIG_RMSTP0_ENA },
+ { SMSTPCR1, MSTP1_BITS, CONFIG_SMSTP1_ENA,
+ RMSTPCR1, MSTP1_BITS, CONFIG_RMSTP1_ENA },
+ { SMSTPCR2, MSTP2_BITS, CONFIG_SMSTP2_ENA,
+ RMSTPCR2, MSTP2_BITS, CONFIG_RMSTP2_ENA },
+ { SMSTPCR3, MSTP3_BITS, CONFIG_SMSTP3_ENA,
+ RMSTPCR3, MSTP3_BITS, CONFIG_RMSTP3_ENA },
+ { SMSTPCR4, MSTP4_BITS, CONFIG_SMSTP4_ENA,
+ RMSTPCR4, MSTP4_BITS, CONFIG_RMSTP4_ENA },
+ { SMSTPCR5, MSTP5_BITS, CONFIG_SMSTP5_ENA,
+ RMSTPCR5, MSTP5_BITS, CONFIG_RMSTP5_ENA },
+#ifdef CONFIG_RCAR_GEN3
+ { SMSTPCR6, MSTP6_BITS, CONFIG_SMSTP6_ENA,
+ RMSTPCR6, MSTP6_BITS, CONFIG_RMSTP6_ENA },
+#endif
+ { SMSTPCR7, MSTP7_BITS, CONFIG_SMSTP7_ENA,
+ RMSTPCR7, MSTP7_BITS, CONFIG_RMSTP7_ENA },
+ { SMSTPCR8, MSTP8_BITS, CONFIG_SMSTP8_ENA,
+ RMSTPCR8, MSTP8_BITS, CONFIG_RMSTP8_ENA },
+ { SMSTPCR9, MSTP9_BITS, CONFIG_SMSTP9_ENA,
+ RMSTPCR9, MSTP9_BITS, CONFIG_RMSTP9_ENA },
+ { SMSTPCR10, MSTP10_BITS, CONFIG_SMSTP10_ENA,
+ RMSTPCR10, MSTP10_BITS, CONFIG_RMSTP10_ENA },
+ { SMSTPCR11, MSTP11_BITS, CONFIG_SMSTP1_ENA,
+ RMSTPCR11, MSTP11_BITS, CONFIG_RMSTP11_ENA },
+};
+
+void arch_preboot_os(void)
+{
+ int i;
+
+ /* stop TMU0 */
+ mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0);
+
+ /* Stop module clock */
+ for (i = 0; i < ARRAY_SIZE(mstptbl); i++) {
+ mstp_setclrbits_le32((uintptr_t)mstptbl[i].s_addr,
+ mstptbl[i].s_dis,
+ mstptbl[i].s_ena);
+ mstp_setclrbits_le32((uintptr_t)mstptbl[i].r_addr,
+ mstptbl[i].r_dis,
+ mstptbl[i].r_ena);
+ }
+}