Split common board code for R-Car Gen3 and Gen4 into separate files.
The R-Car Gen3 board code contains fixups specific to TFA which are
no longer required on R-Car Gen4, keep those fixups in its own file
so they would not interfere with Gen4.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := beacon-rzg2m.o ../../renesas/rcar-common/common.o
+obj-y := beacon-rzg2m.o ../../renesas/rcar-common/gen3-common.o ../../renesas/rcar-common/common.o
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := hihope-rzg2.o ../../renesas/rcar-common/common.o
+obj-y := hihope-rzg2.o ../../renesas/rcar-common/gen3-common.o ../../renesas/rcar-common/common.o
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ../rcar-common/common.o
+obj-y := ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := draak.o ../rcar-common/common.o
+obj-y := draak.o ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ../rcar-common/v3-common.o ../rcar-common/common.o
+obj-y := ../rcar-common/v3-common.o ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ../rcar-common/common.o
+obj-y := ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
DECLARE_GLOBAL_DATA_PTR;
-/* If the firmware passed a device tree use it for e.g. U-Boot DRAM setup. */
-extern u64 rcar_atf_boot_args[];
-
-#define FDT_RPC_PATH "/soc/spi@ee200000"
-
-static void apply_atf_overlay(void *fdt_blob)
-{
- void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
-
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- fdt_overlay_apply_node(fdt_blob, 0, atf_fdt_blob, 0);
-}
-
-int fdtdec_board_setup(const void *fdt_blob)
-{
- apply_atf_overlay((void *)fdt_blob);
-
- return 0;
-}
-
int dram_init(void)
{
return fdtdec_setup_mem_size_base();
return 0;
}
-#if defined(CONFIG_RCAR_GEN3)
-#define RST_BASE 0xE6160000
-#define RST_CA57RESCNT (RST_BASE + 0x40)
-#define RST_CA53RESCNT (RST_BASE + 0x44)
-#define RST_RSTOUTCR (RST_BASE + 0x58)
-#define RST_CA57_CODE 0xA5A5000F
-#define RST_CA53_CODE 0x5A5A000F
-
-void __weak reset_cpu(void)
-{
- unsigned long midr, cputype;
-
- asm volatile("mrs %0, midr_el1" : "=r" (midr));
- cputype = (midr >> 4) & 0xfff;
-
- if (cputype == 0xd03)
- writel(RST_CA53_CODE, RST_CA53RESCNT);
- else if (cputype == 0xd07)
- writel(RST_CA57_CODE, RST_CA57RESCNT);
- else
- hang();
-}
-#elif defined(CONFIG_RCAR_GEN4)
-#define RST_BASE 0xE6160000 /* Domain0 */
-#define RST_SRESCR0 (RST_BASE + 0x18)
-#define RST_SPRES 0x5AA58000
-
-void __weak reset_cpu(void)
-{
- writel(RST_SPRES, RST_SRESCR0);
-}
-#else
-#error Neither CONFIG_RCAR_GEN3 nor CONFIG_RCAR_GEN4 are set
-#endif
-
-#if defined(CONFIG_OF_BOARD_SETUP)
-static int is_mem_overlap(void *blob, int first_mem_node, int curr_mem_node)
-{
- struct fdt_resource first_mem_res, curr_mem_res;
- int curr_mem_reg, first_mem_reg = 0;
- int ret;
-
- for (;;) {
- ret = fdt_get_resource(blob, first_mem_node, "reg",
- first_mem_reg++, &first_mem_res);
- if (ret) /* No more entries, no overlap found */
- return 0;
-
- curr_mem_reg = 0;
- for (;;) {
- ret = fdt_get_resource(blob, curr_mem_node, "reg",
- curr_mem_reg++, &curr_mem_res);
- if (ret) /* No more entries, check next tuple */
- break;
-
- if (curr_mem_res.end < first_mem_res.start)
- continue;
-
- if (curr_mem_res.start >= first_mem_res.end)
- continue;
-
- log_debug("Overlap found: 0x%llx..0x%llx / 0x%llx..0x%llx\n",
- first_mem_res.start, first_mem_res.end,
- curr_mem_res.start, curr_mem_res.end);
-
- return 1;
- }
- }
-
- return 0;
-}
-
-static void scrub_duplicate_memory(void *blob)
-{
- /*
- * Scrub duplicate /memory@* node entries here. Some R-Car DTs might
- * contain multiple /memory@* nodes, however fdt_fixup_memory_banks()
- * either generates single /memory node or updates the first /memory
- * node. Any remaining memory nodes are thus potential duplicates.
- *
- * However, it is not possible to delete all the memory nodes right
- * away, since some of those might not be DRAM memory nodes, but some
- * sort of other memory. Thus, delete only the memory nodes which are
- * in the R-Car3 DBSC ranges.
- */
- int mem = 0, first_mem_node = 0;
-
- for (;;) {
- mem = fdt_node_offset_by_prop_value(blob, mem,
- "device_type", "memory", 7);
- if (mem < 0)
- break;
- if (!fdtdec_get_is_enabled(blob, mem))
- continue;
-
- /* First memory node, patched by U-Boot */
- if (!first_mem_node) {
- first_mem_node = mem;
- continue;
- }
-
- /* Check the remaining nodes and delete duplicates */
- if (!is_mem_overlap(blob, first_mem_node, mem))
- continue;
-
- /* Delete duplicate node, start again */
- fdt_del_node(blob, mem);
- first_mem_node = 0;
- mem = 0;
- }
-}
-
-static void update_rpc_status(void *blob)
-{
- void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
- int offset, enabled;
-
- /*
- * Check if the DT fragment received from TF-A had its RPC-IF device node
- * enabled.
- */
- if (fdt_magic(atf_fdt_blob) != FDT_MAGIC)
- return;
-
- offset = fdt_path_offset(atf_fdt_blob, FDT_RPC_PATH);
- if (offset < 0)
- return;
-
- enabled = fdtdec_get_is_enabled(atf_fdt_blob, offset);
- if (!enabled)
- return;
-
- /*
- * Find the RPC-IF device node, and enable it if it has a flash subnode.
- */
- offset = fdt_path_offset(blob, FDT_RPC_PATH);
- if (offset < 0)
- return;
-
- if (fdt_subnode_offset(blob, offset, "flash") < 0)
- return;
-
- fdt_status_okay(blob, offset);
-}
-
-int ft_board_setup(void *blob, struct bd_info *bd)
-{
- apply_atf_overlay(blob);
- scrub_duplicate_memory(blob);
- update_rpc_status(blob);
-
- return 0;
-}
-#endif
#endif
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * board/renesas/rcar-common/gen3-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>
+ */
+
+#include <dm.h>
+#include <fdt_support.h>
+#include <hang.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <dm/uclass-internal.h>
+#include <asm/arch/renesas.h>
+#include <linux/libfdt.h>
+
+#ifdef CONFIG_RCAR_64
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* If the firmware passed a device tree use it for e.g. U-Boot DRAM setup. */
+extern u64 rcar_atf_boot_args[];
+
+#define FDT_RPC_PATH "/soc/spi@ee200000"
+
+static void apply_atf_overlay(void *fdt_blob)
+{
+ void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
+
+ if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
+ fdt_overlay_apply_node(fdt_blob, 0, atf_fdt_blob, 0);
+}
+
+int fdtdec_board_setup(const void *fdt_blob)
+{
+ apply_atf_overlay((void *)fdt_blob);
+
+ return 0;
+}
+
+#define RST_BASE 0xE6160000
+#define RST_CA57RESCNT (RST_BASE + 0x40)
+#define RST_CA53RESCNT (RST_BASE + 0x44)
+#define RST_RSTOUTCR (RST_BASE + 0x58)
+#define RST_CA57_CODE 0xA5A5000F
+#define RST_CA53_CODE 0x5A5A000F
+
+void __weak reset_cpu(void)
+{
+ unsigned long midr, cputype;
+
+ asm volatile("mrs %0, midr_el1" : "=r" (midr));
+ cputype = (midr >> 4) & 0xfff;
+
+ if (cputype == 0xd03)
+ writel(RST_CA53_CODE, RST_CA53RESCNT);
+ else if (cputype == 0xd07)
+ writel(RST_CA57_CODE, RST_CA57RESCNT);
+ else
+ hang();
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+static int is_mem_overlap(void *blob, int first_mem_node, int curr_mem_node)
+{
+ struct fdt_resource first_mem_res, curr_mem_res;
+ int curr_mem_reg, first_mem_reg = 0;
+ int ret;
+
+ for (;;) {
+ ret = fdt_get_resource(blob, first_mem_node, "reg",
+ first_mem_reg++, &first_mem_res);
+ if (ret) /* No more entries, no overlap found */
+ return 0;
+
+ curr_mem_reg = 0;
+ for (;;) {
+ ret = fdt_get_resource(blob, curr_mem_node, "reg",
+ curr_mem_reg++, &curr_mem_res);
+ if (ret) /* No more entries, check next tuple */
+ break;
+
+ if (curr_mem_res.end < first_mem_res.start)
+ continue;
+
+ if (curr_mem_res.start >= first_mem_res.end)
+ continue;
+
+ log_debug("Overlap found: 0x%llx..0x%llx / 0x%llx..0x%llx\n",
+ first_mem_res.start, first_mem_res.end,
+ curr_mem_res.start, curr_mem_res.end);
+
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void scrub_duplicate_memory(void *blob)
+{
+ /*
+ * Scrub duplicate /memory@* node entries here. Some R-Car DTs might
+ * contain multiple /memory@* nodes, however fdt_fixup_memory_banks()
+ * either generates single /memory node or updates the first /memory
+ * node. Any remaining memory nodes are thus potential duplicates.
+ *
+ * However, it is not possible to delete all the memory nodes right
+ * away, since some of those might not be DRAM memory nodes, but some
+ * sort of other memory. Thus, delete only the memory nodes which are
+ * in the R-Car3 DBSC ranges.
+ */
+ int mem = 0, first_mem_node = 0;
+
+ for (;;) {
+ mem = fdt_node_offset_by_prop_value(blob, mem,
+ "device_type", "memory", 7);
+ if (mem < 0)
+ break;
+ if (!fdtdec_get_is_enabled(blob, mem))
+ continue;
+
+ /* First memory node, patched by U-Boot */
+ if (!first_mem_node) {
+ first_mem_node = mem;
+ continue;
+ }
+
+ /* Check the remaining nodes and delete duplicates */
+ if (!is_mem_overlap(blob, first_mem_node, mem))
+ continue;
+
+ /* Delete duplicate node, start again */
+ fdt_del_node(blob, mem);
+ first_mem_node = 0;
+ mem = 0;
+ }
+}
+
+static void update_rpc_status(void *blob)
+{
+ void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
+ int offset, enabled;
+
+ /*
+ * Check if the DT fragment received from TF-A had its RPC-IF device node
+ * enabled.
+ */
+ if (fdt_magic(atf_fdt_blob) != FDT_MAGIC)
+ return;
+
+ offset = fdt_path_offset(atf_fdt_blob, FDT_RPC_PATH);
+ if (offset < 0)
+ return;
+
+ enabled = fdtdec_get_is_enabled(atf_fdt_blob, offset);
+ if (!enabled)
+ return;
+
+ /*
+ * Find the RPC-IF device node, and enable it if it has a flash subnode.
+ */
+ offset = fdt_path_offset(blob, FDT_RPC_PATH);
+ if (offset < 0)
+ return;
+
+ if (fdt_subnode_offset(blob, offset, "flash") < 0)
+ return;
+
+ fdt_status_okay(blob, offset);
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ apply_atf_overlay(blob);
+ scrub_duplicate_memory(blob);
+ update_rpc_status(blob);
+
+ return 0;
+}
+#endif
+#endif
return 0;
}
+
+#define RST_BASE 0xE6160000 /* Domain0 */
+#define RST_SRESCR0 (RST_BASE + 0x18)
+#define RST_SPRES 0x5AA58000
+
+void __weak reset_cpu(void)
+{
+ writel(RST_SPRES, RST_SRESCR0);
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ return 0;
+}
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := salvator-x.o ../rcar-common/common.o
+obj-y := salvator-x.o ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ulcb.o cpld.o ../rcar-common/common.o
+obj-y := ulcb.o cpld.o ../rcar-common/gen3-common.o ../rcar-common/common.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ../rcar-common/v3-common.o ../rcar-common/common.o
+obj-y := ../rcar-common/v3-common.o ../rcar-common/gen3-common.o ../rcar-common/common.o
obj-$(CONFIG_SYSRESET) += cpld.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
-obj-y := ../rcar-common/v3-common.o ../rcar-common/common.o
+obj-y := ../rcar-common/v3-common.o ../rcar-common/gen3-common.o ../rcar-common/common.o
obj-$(CONFIG_SYSRESET) += cpld.o
endif
ifdef CONFIG_XPL_BUILD
obj-y := ../../renesas/rcar-common/gen3-spl.o
else
-obj-y := ek874.o ../../renesas/rcar-common/common.o
+obj-y := ek874.o ../../renesas/rcar-common/gen3-common.o ../../renesas/rcar-common/common.o
endif
git.openpandora.org / pandora-u-boot.git / commitdiff