Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 188 insertions, 0 deletions

diff --git a/plat/marvell/armada/common/mrvl_sip_svc.c b/plat/marvell/armada/common/mrvl_sip_svc.c
new file mode 100644
index 0000000..c4c5c0e
--- /dev/null
+++ b/plat/marvell/armada/common/mrvl_sip_svc.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+#include <drivers/marvell/cache_llc.h>
+#include <drivers/marvell/mochi/ap_setup.h>
+#include <drivers/rambus/trng_ip_76.h>
+#include <lib/smccc.h>
+
+#include <marvell_plat_priv.h>
+#include <plat_marvell.h>
+
+#include "comphy/phy-comphy-cp110.h"
+#include "secure_dfx_access/dfx.h"
+#include "ddr_phy_access.h"
+#include <stdbool.h>
+
+/* #define DEBUG_COMPHY */
+#ifdef DEBUG_COMPHY
+#define debug(format...) NOTICE(format)
+#else
+#define debug(format, arg...)
+#endif
+
+/* Comphy related FID's */
+#define MV_SIP_COMPHY_POWER_ON	0x82000001
+#define MV_SIP_COMPHY_POWER_OFF	0x82000002
+#define MV_SIP_COMPHY_PLL_LOCK	0x82000003
+#define MV_SIP_COMPHY_XFI_TRAIN	0x82000004
+#define MV_SIP_COMPHY_DIG_RESET	0x82000005
+
+/* Miscellaneous FID's' */
+#define MV_SIP_DRAM_SIZE	0x82000010
+#define MV_SIP_LLC_ENABLE	0x82000011
+#define MV_SIP_PMU_IRQ_ENABLE	0x82000012
+#define MV_SIP_PMU_IRQ_DISABLE	0x82000013
+#define MV_SIP_DFX		0x82000014
+#define MV_SIP_DDR_PHY_WRITE	0x82000015
+#define MV_SIP_DDR_PHY_READ	0x82000016
+
+/* TRNG */
+#define MV_SIP_RNG_64		0xC200FF11
+
+#define MAX_LANE_NR		6
+#define MVEBU_COMPHY_OFFSET	0x441000
+#define MVEBU_CP_BASE_MASK	(~0xffffff)
+
+/* Common PHY register */
+#define COMPHY_TRX_TRAIN_CTRL_REG_0_OFFS	0x120a2c
+
+/* This macro is used to identify COMPHY related calls from SMC function ID */
+#define is_comphy_fid(fid)	\
+	((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_DIG_RESET)
+
+_Bool is_cp_range_valid(u_register_t *addr)
+{
+	int cp_nr;
+
+	*addr &= MVEBU_CP_BASE_MASK;
+	for (cp_nr = 0; cp_nr < CP_NUM; cp_nr++) {
+		if (*addr == MVEBU_CP_REGS_BASE(cp_nr))
+			return true;
+	}
+
+	return false;
+}
+
+uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid,
+			       u_register_t x1,
+			       u_register_t x2,
+			       u_register_t x3,
+			       u_register_t x4,
+			       void *cookie,
+			       void *handle,
+			       u_register_t flags)
+{
+	u_register_t ret, read, x5 = x1;
+	int i;
+
+	debug("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
+						 __func__, smc_fid, x1, x2, x3);
+
+	if (is_comphy_fid(smc_fid)) {
+		/* validate address passed via x1 */
+		if (!is_cp_range_valid(&x1)) {
+			ERROR("%s: Wrong smc (0x%x) address: %lx\n",
+			      __func__, smc_fid, x1);
+			SMC_RET1(handle, SMC_UNK);
+		}
+
+		x5 = x1 + COMPHY_TRX_TRAIN_CTRL_REG_0_OFFS;
+		x1 += MVEBU_COMPHY_OFFSET;
+
+		if (x2 >= MAX_LANE_NR) {
+			ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n",
+			      __func__, smc_fid, x2);
+			SMC_RET1(handle, SMC_UNK);
+		}
+	}
+
+	switch (smc_fid) {
+
+	/* Comphy related FID's */
+	case MV_SIP_COMPHY_POWER_ON:
+		/* x1:  comphy_base, x2: comphy_index, x3: comphy_mode */
+		ret = mvebu_cp110_comphy_power_on(x1, x2, x3, x5);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_POWER_OFF:
+		/* x1:  comphy_base, x2: comphy_index */
+		ret = mvebu_cp110_comphy_power_off(x1, x2, x3);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_PLL_LOCK:
+		/* x1:  comphy_base, x2: comphy_index */
+		ret = mvebu_cp110_comphy_is_pll_locked(x1, x2);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_XFI_TRAIN:
+		/* x1:  comphy_base, x2: comphy_index */
+		ret = mvebu_cp110_comphy_xfi_rx_training(x1, x2);
+		SMC_RET1(handle, ret);
+	case MV_SIP_COMPHY_DIG_RESET:
+		/* x1:  comphy_base, x2: comphy_index, x3: mode, x4: command */
+		ret = mvebu_cp110_comphy_digital_reset(x1, x2, x3, x4);
+		SMC_RET1(handle, ret);
+
+	/* Miscellaneous FID's' */
+	case MV_SIP_DRAM_SIZE:
+		ret = mvebu_get_dram_size(MVEBU_REGS_BASE);
+		SMC_RET1(handle, ret);
+	case MV_SIP_LLC_ENABLE:
+		for (i = 0; i < ap_get_count(); i++)
+			llc_runtime_enable(i);
+
+		SMC_RET1(handle, 0);
+#ifdef MVEBU_PMU_IRQ_WA
+	case MV_SIP_PMU_IRQ_ENABLE:
+		mvebu_pmu_interrupt_enable();
+		SMC_RET1(handle, 0);
+	case MV_SIP_PMU_IRQ_DISABLE:
+		mvebu_pmu_interrupt_disable();
+		SMC_RET1(handle, 0);
+#endif
+	case MV_SIP_DFX:
+		if (x1 >= MV_SIP_DFX_THERMAL_INIT &&
+		    x1 <= MV_SIP_DFX_THERMAL_SEL_CHANNEL) {
+			ret = mvebu_dfx_thermal_handle(x1, &read, x2, x3);
+			SMC_RET2(handle, ret, read);
+		}
+		if (x1 >= MV_SIP_DFX_SREAD && x1 <= MV_SIP_DFX_SWRITE) {
+			ret = mvebu_dfx_misc_handle(x1, &read, x2, x3);
+			SMC_RET2(handle, ret, read);
+		}
+
+		SMC_RET1(handle, SMC_UNK);
+	case MV_SIP_DDR_PHY_WRITE:
+		ret = mvebu_ddr_phy_write(x1, x2);
+		SMC_RET1(handle, ret);
+	case MV_SIP_DDR_PHY_READ:
+		read = 0;
+		ret = mvebu_ddr_phy_read(x1, (uint16_t *)&read);
+		SMC_RET2(handle, ret, read);
+	case MV_SIP_RNG_64:
+		if ((x1 % 2 + 1) > sizeof(read)/4) {
+			ERROR("%s: Maximum %ld random bytes per SMC call\n",
+			      __func__, sizeof(read));
+			SMC_RET1(handle, SMC_UNK);
+		}
+		ret = eip76_rng_get_random((uint8_t *)&read, 4 * (x1 % 2 + 1));
+		SMC_RET2(handle, ret, read);
+	default:
+		ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
+		SMC_RET1(handle, SMC_UNK);
+	}
+}
+
+/* Define a runtime service descriptor for fast SMC calls */
+DECLARE_RT_SVC(
+	marvell_sip_svc,
+	OEN_SIP_START,
+	OEN_SIP_END,
+	SMC_TYPE_FAST,
+	NULL,
+	mrvl_sip_smc_handler
+);