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-rw-r--r--arch/arm/mach-keystone/msmc.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/msmc.c b/arch/arm/mach-keystone/msmc.c
new file mode 100644
index 0000000..7899141
--- /dev/null
+++ b/arch/arm/mach-keystone/msmc.c
@@ -0,0 +1,94 @@
+/*
+ * MSMC controller utilities
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/msmc.h>
+
+struct mpax {
+ u32 mpaxl;
+ u32 mpaxh;
+};
+
+struct msms_regs {
+ u32 pid;
+ u32 _res_04;
+ u32 smcerrar;
+ u32 smcerrxr;
+ u32 smedcc;
+ u32 smcea;
+ u32 smsecc;
+ u32 smpfar;
+ u32 smpfxr;
+ u32 smpfr;
+ u32 smpfcr;
+ u32 _res_2c;
+ u32 sbndc[8];
+ u32 sbndm;
+ u32 sbnde;
+ u32 _res_58;
+ u32 cfglck;
+ u32 cfgulck;
+ u32 cfglckstat;
+ u32 sms_mpax_lck;
+ u32 sms_mpax_ulck;
+ u32 sms_mpax_lckstat;
+ u32 ses_mpax_lck;
+ u32 ses_mpax_ulck;
+ u32 ses_mpax_lckstat;
+ u32 smestat;
+ u32 smirstat;
+ u32 smirc;
+ u32 smiestat;
+ u32 smiec;
+ u32 _res_94_c0[12];
+ u32 smncerrar;
+ u32 smncerrxr;
+ u32 smncea;
+ u32 _res_d0_1fc[76];
+ struct mpax sms[16][8];
+ struct mpax ses[16][8];
+};
+
+
+void msmc_share_all_segments(int priv_id)
+{
+ struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
+ int j;
+
+ for (j = 0; j < 8; j++) {
+ msmc->sms[priv_id][j].mpaxh &= 0xffffff7ful;
+ msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful;
+ }
+}
+
+void msmc_map_ses_segment(int priv_id, int ses_pair,
+ u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size)
+{
+ struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
+
+ msmc->ses[priv_id][ses_pair].mpaxh = src_pfn << 12 |
+ (size & 0x1f) | 0x80;
+ msmc->ses[priv_id][ses_pair].mpaxl = dst_pfn << 8 | 0x3f;
+}
+
+void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
+{
+ struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
+
+ *mpax++ = msmc->ses[priv_id][ses_pair].mpaxl;
+ *mpax = msmc->ses[priv_id][ses_pair].mpaxh;
+}
+
+void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
+{
+ struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
+
+ msmc->ses[priv_id][ses_pair].mpaxl = *mpax++;
+ msmc->ses[priv_id][ses_pair].mpaxh = *mpax;
+}