uniphier: make PSCI related base address configurable

The register base address will be changed in the next SoC. Make it
configurable.

Change-Id: Ibe07bd9db128b0f7e629916cb6ae21ba7984eca9
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

plat/socionext/uniphier/uniphier.h

@@ -69,6 +69,8 @@ void uniphier_gic_cpuif_enable(void);
 void uniphier_gic_cpuif_disable(void);
 void uniphier_gic_pcpu_init(void);
 
+void uniphier_psci_init(unsigned int soc);
+
 unsigned int uniphier_calc_core_pos(u_register_t mpidr);
 
 #endif /* UNIPHIER_H */

plat/socionext/uniphier/uniphier_bl31_setup.c

@@ -80,6 +80,8 @@ void bl31_platform_setup(void)
 
 	/* Enable and initialize the System level generic timer */
 	mmio_write_32(cntctl_base + CNTCR_OFF, CNTCR_FCREQ(0U) | CNTCR_EN);
+
+	uniphier_psci_init(uniphier_soc);
 }
 
 void bl31_plat_arch_setup(void)

plat/socionext/uniphier/uniphier_psci.c

 /*
- * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <assert.h>
+
 #include <arch_helpers.h>
 #include <common/debug.h>
 #include <errno.h>
@@ -12,15 +14,18 @@
 
 #include "uniphier.h"
 
-#define UNIPHIER_ROM_RSV0		0x59801200
+#define UNIPHIER_ROM_RSV0		0x0
 
-#define UNIPHIER_SLFRSTSEL		0x61843010
+#define UNIPHIER_SLFRSTSEL		0x10
 #define   UNIPHIER_SLFRSTSEL_MASK		GENMASK(1, 0)
-#define UNIPHIER_SLFRSTCTL		0x61843014
+#define UNIPHIER_SLFRSTCTL		0x14
 #define   UNIPHIER_SLFRSTCTL_RST		BIT(0)
 
 #define MPIDR_AFFINITY_INVALID		((u_register_t)-1)
 
+static uintptr_t uniphier_rom_rsv_base;
+static uintptr_t uniphier_slfrst_base;
+
 uintptr_t uniphier_sec_entrypoint;
 
 void uniphier_warmboot_entrypoint(void);
@@ -34,7 +39,7 @@ static int uniphier_psci_pwr_domain_on(u_register_t mpidr)
 	flush_dcache_range((uint64_t)&uniphier_holding_pen_release,
 			   sizeof(uniphier_holding_pen_release));
 
-	mmio_write_64(UNIPHIER_ROM_RSV0,
+	mmio_write_64(uniphier_rom_rsv_base + UNIPHIER_ROM_RSV0,
 		      (uint64_t)&uniphier_warmboot_entrypoint);
 	sev();
 
@@ -71,8 +76,10 @@ static void __dead2 uniphier_psci_pwr_domain_pwr_down_wfi(
 
 static void uniphier_self_system_reset(void)
 {
-	mmio_clrbits_32(UNIPHIER_SLFRSTSEL, UNIPHIER_SLFRSTSEL_MASK);
-	mmio_setbits_32(UNIPHIER_SLFRSTCTL, UNIPHIER_SLFRSTCTL_RST);
+	mmio_clrbits_32(uniphier_slfrst_base + UNIPHIER_SLFRSTSEL,
+			UNIPHIER_SLFRSTSEL_MASK);
+	mmio_setbits_32(uniphier_slfrst_base + UNIPHIER_SLFRSTCTL,
+			UNIPHIER_SLFRSTCTL_RST);
 }
 
 static void __dead2 uniphier_psci_system_off(void)
@@ -114,13 +121,40 @@ static const struct plat_psci_ops uniphier_psci_ops = {
 int plat_setup_psci_ops(uintptr_t sec_entrypoint,
 			const struct plat_psci_ops **psci_ops)
 {
-	unsigned int soc;
+	uniphier_sec_entrypoint = sec_entrypoint;
+	flush_dcache_range((uint64_t)&uniphier_sec_entrypoint,
+			   sizeof(uniphier_sec_entrypoint));
 
-	soc = uniphier_get_soc_id();
-	if (soc == UNIPHIER_SOC_UNKNOWN) {
-		ERROR("unsupported SoC\n");
-		return -ENOTSUP;
-	}
+	*psci_ops = &uniphier_psci_ops;
+
+	return 0;
+}
+
+struct uniphier_psci_ctrl_base {
+	uintptr_t rom_rsv_base;
+	uintptr_t slfrst_base;
+};
+
+static const struct uniphier_psci_ctrl_base uniphier_psci_ctrl_base[] = {
+	[UNIPHIER_SOC_LD11] = {
+		.rom_rsv_base = 0x59801200,
+		.slfrst_base = 0x61843000,
+	},
+	[UNIPHIER_SOC_LD20] = {
+		.rom_rsv_base = 0x59801200,
+		.slfrst_base = 0x61843000,
+	},
+	[UNIPHIER_SOC_PXS3] = {
+		.rom_rsv_base = 0x59801200,
+		.slfrst_base = 0x61843000,
+	},
+};
+
+void uniphier_psci_init(unsigned int soc)
+{
+	assert(soc < ARRAY_SIZE(uniphier_psci_ctrl_base));
+	uniphier_rom_rsv_base = uniphier_psci_ctrl_base[soc].rom_rsv_base;
+	uniphier_slfrst_base = uniphier_psci_ctrl_base[soc].slfrst_base;
 
 	if (uniphier_get_boot_master(soc) == UNIPHIER_BOOT_MASTER_SCP) {
 		uniphier_psci_scp_mode = uniphier_scp_is_running();
@@ -130,12 +164,4 @@ int plat_setup_psci_ops(uintptr_t sec_entrypoint,
 		if (uniphier_psci_scp_mode)
 			uniphier_scp_open_com();
 	}
-
-	uniphier_sec_entrypoint = sec_entrypoint;
-	flush_dcache_range((uint64_t)&uniphier_sec_entrypoint,
-			   sizeof(uniphier_sec_entrypoint));
-
-	*psci_ops = &uniphier_psci_ops;
-
-	return 0;
 }