[U-Boot] [PATCH 5/9] arm64: mvebu: Add basic support for the Marvell Armada 7K/8K SoC
Stefan Roese
sr at denx.de
Fri Sep 16 15:18:51 CEST 2016
Compared to the Armada 3700, the Armada 7K and 8K are much more on the
high-end side: they use a dual Cortex-A72 or a quad Cortex-A72, as
opposed to the Cortex-A53 for the Armada 3700.
The Armada 7K and 8K also use a fairly unique architecture, internally
they are composed of several components:
- One AP (Application Processor), which contains the processor itself
and a few core hardware blocks. The AP used in the Armada 7K and 8K
is called AP806, and is available in two configurations:
dual Cortex-A72 and quad Cortex-A72.
- One or two CP (Communication Processor), which contain most of the I/O
interfaces (SATA, PCIe, Ethernet, etc.). The 7K family chips have one
CP, while the 8K family chips integrate two CPs, providing two times
the number of I/O interfaces available in the CP.
The CP used in the 7K and 8K is called CP110.
All in all, this gives the following combinations:
- Armada 7020, which is a dual Cortex-A72 with one CP
- Armada 7040, which is a quad Cortex-A72 with one CP
- Armada 8020, which is a dual Cortex-A72 with two CPs
- Armada 8040, which is a quad Cortex-A72 with two CPs
This patch adds basic support for this ARMv8 based SoC into U-Boot.
Future patches will integrate other device drivers and board support,
starting with the Marvell DB-88F7040 development board.
Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Nadav Haklai <nadavh at marvell.com>
Cc: Neta Zur Hershkovits <neta at marvell.com>
Cc: Kostya Porotchkin <kostap at marvell.com>
Cc: Omri Itach <omrii at marvell.com>
Cc: Igal Liberman <igall at marvell.com>
Cc: Haim Boot <hayim at marvell.com>
Cc: Hanna Hawa <hannah at marvell.com>
---
arch/arm/Kconfig | 2 +-
arch/arm/mach-mvebu/Kconfig | 7 +-
arch/arm/mach-mvebu/Makefile | 3 +
arch/arm/mach-mvebu/arm64-common.c | 124 ++++++++++++++++++++++++++++
arch/arm/mach-mvebu/armada3700/Makefile | 1 -
arch/arm/mach-mvebu/armada3700/cpu.c | 107 ------------------------
arch/arm/mach-mvebu/armada8k/Makefile | 7 ++
arch/arm/mach-mvebu/armada8k/cpu.c | 64 ++++++++++++++
arch/arm/mach-mvebu/include/mach/soc.h | 2 +
arch/arm/mach-mvebu/{armada3700 => }/sata.c | 9 ++
10 files changed, 216 insertions(+), 110 deletions(-)
create mode 100644 arch/arm/mach-mvebu/arm64-common.c
create mode 100644 arch/arm/mach-mvebu/armada8k/Makefile
create mode 100644 arch/arm/mach-mvebu/armada8k/cpu.c
rename arch/arm/mach-mvebu/{armada3700 => }/sata.c (77%)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f9d0d2e..61a2fe6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -164,7 +164,7 @@ config KIRKWOOD
select CPU_ARM926EJS
config ARCH_MVEBU
- bool "Marvell MVEBU family (Armada XP/375/38x)"
+ bool "Marvell MVEBU family (Armada XP/375/38x/3700/7K/8K)"
select OF_CONTROL
select OF_SEPARATE
select DM
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index bede700..54b3b72 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -31,6 +31,11 @@ config ARMADA_3700
bool
select ARM64
+# Armada 7K and 8K are very similar - use only one Kconfig symbol for both
+config ARMADA_8K
+ bool
+ select ARM64
+
# Armada XP/38x SoC types...
config MV78230
bool
@@ -49,7 +54,7 @@ config DB_88F6820_GP
select ARMADA_38X
choice
- prompt "Marvell MVEBU (Armada XP/375/38x/3700) board select"
+ prompt "Armada XP/375/38x/3700/7K/8K board select"
optional
config TARGET_CLEARFOG
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 07dc16c..65e90c4 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -7,6 +7,9 @@
ifdef CONFIG_ARM64
obj-$(CONFIG_ARMADA_3700) += armada3700/
+obj-$(CONFIG_ARMADA_8K) += armada8k/
+obj-y += arm64-common.o
+obj-y += sata.o
else # CONFIG_ARM64
diff --git a/arch/arm/mach-mvebu/arm64-common.c b/arch/arm/mach-mvebu/arm64-common.c
new file mode 100644
index 0000000..7055a81
--- /dev/null
+++ b/arch/arm/mach-mvebu/arm64-common.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2016 Stefan Roese <sr at denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/armv8/mmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * On ARMv8, MBus is not configured in U-Boot. To enable compilation
+ * of the already implemented drivers, lets add a dummy version of
+ * this function so that linking does not fail.
+ */
+const struct mbus_dram_target_info *mvebu_mbus_dram_info(void)
+{
+ return NULL;
+}
+
+/* DRAM init code ... */
+
+static const void *get_memory_reg_prop(const void *fdt, int *lenp)
+{
+ int offset;
+
+ offset = fdt_path_offset(fdt, "/memory");
+ if (offset < 0)
+ return NULL;
+
+ return fdt_getprop(fdt, offset, "reg", lenp);
+}
+
+int dram_init(void)
+{
+ const void *fdt = gd->fdt_blob;
+ const fdt32_t *val;
+ int ac, sc, len;
+
+ ac = fdt_address_cells(fdt, 0);
+ sc = fdt_size_cells(fdt, 0);
+ if (ac < 0 || sc < 1 || sc > 2) {
+ printf("invalid address/size cells\n");
+ return -EINVAL;
+ }
+
+ val = get_memory_reg_prop(fdt, &len);
+ if (len / sizeof(*val) < ac + sc)
+ return -EINVAL;
+
+ val += ac;
+
+ gd->ram_size = fdtdec_get_number(val, sc);
+
+ debug("DRAM size = %08lx\n", (unsigned long)gd->ram_size);
+
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ const void *fdt = gd->fdt_blob;
+ const fdt32_t *val;
+ int ac, sc, cells, len, i;
+
+ val = get_memory_reg_prop(fdt, &len);
+ if (len < 0)
+ return;
+
+ ac = fdt_address_cells(fdt, 0);
+ sc = fdt_size_cells(fdt, 0);
+ if (ac < 1 || sc > 2 || sc < 1 || sc > 2) {
+ printf("invalid address/size cells\n");
+ return;
+ }
+
+ cells = ac + sc;
+
+ len /= sizeof(*val);
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS && len >= cells;
+ i++, len -= cells) {
+ gd->bd->bi_dram[i].start = fdtdec_get_number(val, ac);
+ val += ac;
+ gd->bd->bi_dram[i].size = fdtdec_get_number(val, sc);
+ val += sc;
+
+ debug("DRAM bank %d: start = %08lx, size = %08lx\n",
+ i, (unsigned long)gd->bd->bi_dram[i].start,
+ (unsigned long)gd->bd->bi_dram[i].size);
+ }
+}
+
+int arch_cpu_init(void)
+{
+ /* Nothing to do (yet) */
+ return 0;
+}
+
+int arch_early_init_r(void)
+{
+ struct udevice *dev;
+ int ret;
+
+ /* Call the comphy code via the MISC uclass driver */
+ ret = uclass_get_device(UCLASS_MISC, 0, &dev);
+ if (ret) {
+ debug("COMPHY init failed: %d\n", ret);
+ return -ENODEV;
+ }
+
+ /* Cause the SATA device to do its early init */
+ uclass_first_device(UCLASS_AHCI, &dev);
+
+ return 0;
+}
diff --git a/arch/arm/mach-mvebu/armada3700/Makefile b/arch/arm/mach-mvebu/armada3700/Makefile
index b1fac57..84c69d9 100644
--- a/arch/arm/mach-mvebu/armada3700/Makefile
+++ b/arch/arm/mach-mvebu/armada3700/Makefile
@@ -5,4 +5,3 @@
#
obj-y = cpu.o
-obj-y += sata.o
diff --git a/arch/arm/mach-mvebu/armada3700/cpu.c b/arch/arm/mach-mvebu/armada3700/cpu.c
index 7d8f7b8..6499eec 100644
--- a/arch/arm/mach-mvebu/armada3700/cpu.c
+++ b/arch/arm/mach-mvebu/armada3700/cpu.c
@@ -53,16 +53,6 @@ static struct mm_region mvebu_mem_map[] = {
struct mm_region *mem_map = mvebu_mem_map;
-/*
- * On ARMv8, MBus is not configured in U-Boot. To enable compilation
- * of the already implemented drivers, lets add a dummy version of
- * this function so that linking does not fail.
- */
-const struct mbus_dram_target_info *mvebu_mbus_dram_info(void)
-{
- return NULL;
-}
-
void reset_cpu(ulong ignored)
{
/*
@@ -89,100 +79,3 @@ u32 get_ref_clk(void)
else
return 40;
}
-
-/* DRAM init code ... */
-
-static const void *get_memory_reg_prop(const void *fdt, int *lenp)
-{
- int offset;
-
- offset = fdt_path_offset(fdt, "/memory");
- if (offset < 0)
- return NULL;
-
- return fdt_getprop(fdt, offset, "reg", lenp);
-}
-
-int dram_init(void)
-{
- const void *fdt = gd->fdt_blob;
- const fdt32_t *val;
- int ac, sc, len;
-
- ac = fdt_address_cells(fdt, 0);
- sc = fdt_size_cells(fdt, 0);
- if (ac < 0 || sc < 1 || sc > 2) {
- printf("invalid address/size cells\n");
- return -EINVAL;
- }
-
- val = get_memory_reg_prop(fdt, &len);
- if (len / sizeof(*val) < ac + sc)
- return -EINVAL;
-
- val += ac;
-
- gd->ram_size = fdtdec_get_number(val, sc);
-
- debug("DRAM size = %08lx\n", (unsigned long)gd->ram_size);
-
- return 0;
-}
-
-void dram_init_banksize(void)
-{
- const void *fdt = gd->fdt_blob;
- const fdt32_t *val;
- int ac, sc, cells, len, i;
-
- val = get_memory_reg_prop(fdt, &len);
- if (len < 0)
- return;
-
- ac = fdt_address_cells(fdt, 0);
- sc = fdt_size_cells(fdt, 0);
- if (ac < 1 || sc > 2 || sc < 1 || sc > 2) {
- printf("invalid address/size cells\n");
- return;
- }
-
- cells = ac + sc;
-
- len /= sizeof(*val);
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS && len >= cells;
- i++, len -= cells) {
- gd->bd->bi_dram[i].start = fdtdec_get_number(val, ac);
- val += ac;
- gd->bd->bi_dram[i].size = fdtdec_get_number(val, sc);
- val += sc;
-
- debug("DRAM bank %d: start = %08lx, size = %08lx\n",
- i, (unsigned long)gd->bd->bi_dram[i].start,
- (unsigned long)gd->bd->bi_dram[i].size);
- }
-}
-
-int arch_cpu_init(void)
-{
- /* Nothing to do (yet) */
- return 0;
-}
-
-int arch_early_init_r(void)
-{
- struct udevice *dev;
- int ret;
-
- /* Call the comphy code via the MISC uclass driver */
- ret = uclass_get_device(UCLASS_MISC, 0, &dev);
- if (ret) {
- debug("COMPHY init failed: %d\n", ret);
- return -ENODEV;
- }
-
- /* Cause the SATA device to do its early init */
- uclass_first_device(UCLASS_AHCI, &dev);
-
- return 0;
-}
diff --git a/arch/arm/mach-mvebu/armada8k/Makefile b/arch/arm/mach-mvebu/armada8k/Makefile
new file mode 100644
index 0000000..84c69d9
--- /dev/null
+++ b/arch/arm/mach-mvebu/armada8k/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2016 Stefan Roese <sr at denx.de>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y = cpu.o
diff --git a/arch/arm/mach-mvebu/armada8k/cpu.c b/arch/arm/mach-mvebu/armada8k/cpu.c
new file mode 100644
index 0000000..036430c
--- /dev/null
+++ b/arch/arm/mach-mvebu/armada8k/cpu.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2016 Stefan Roese <sr at denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/armv8/mmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Armada 7k/8k */
+#define MVEBU_RFU_BASE (MVEBU_REGISTER(0x6f0000))
+#define RFU_GLOBAL_SW_RST (MVEBU_RFU_BASE + 0x84)
+#define RFU_SW_RESET_OFFSET 0
+
+static struct mm_region mvebu_mem_map[] = {
+ {
+ /* RAM */
+ .phys = 0x0UL,
+ .virt = 0x0UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ },
+ {
+ /* SRAM, MMIO regions - AP806 region */
+ .phys = 0xf0000000UL,
+ .virt = 0xf0000000UL,
+ .size = 0x01000000UL, /* 16MiB internal registers */
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE
+ },
+ {
+ /* SRAM, MMIO regions - CP110 region */
+ .phys = 0xf2000000UL,
+ .virt = 0xf2000000UL,
+ .size = 0x02000000UL, /* 32MiB internal registers */
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE
+ },
+ {
+ /* List terminator */
+ 0,
+ }
+};
+
+struct mm_region *mem_map = mvebu_mem_map;
+
+void reset_cpu(ulong ignored)
+{
+ u32 reg;
+
+ reg = readl(RFU_GLOBAL_SW_RST);
+ reg &= ~(1 << RFU_SW_RESET_OFFSET);
+ writel(reg, RFU_GLOBAL_SW_RST);
+}
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h
index 063d6cc..731fe65 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -46,6 +46,8 @@
* required for the Linux kernel.
*/
#define SOC_REGS_PHY_BASE 0xd0000000
+#elif defined(CONFIG_ARMADA_8K)
+#define SOC_REGS_PHY_BASE 0xf0000000
#else
#define SOC_REGS_PHY_BASE 0xf1000000
#endif
diff --git a/arch/arm/mach-mvebu/armada3700/sata.c b/arch/arm/mach-mvebu/sata.c
similarity index 77%
rename from arch/arm/mach-mvebu/armada3700/sata.c
rename to arch/arm/mach-mvebu/sata.c
index e0e8381..140a295 100644
--- a/arch/arm/mach-mvebu/armada3700/sata.c
+++ b/arch/arm/mach-mvebu/sata.c
@@ -19,6 +19,14 @@ __weak int board_ahci_enable(void)
return 0;
}
+#ifdef CONFIG_ARMADA_8K
+/* CP110 has different AHCI port addresses */
+void __iomem *ahci_port_base(void __iomem *base, u32 port)
+{
+ return base + 0x10000 + (port * 0x10000);
+}
+#endif
+
static int mvebu_ahci_probe(struct udevice *dev)
{
/*
@@ -34,6 +42,7 @@ static int mvebu_ahci_probe(struct udevice *dev)
static const struct udevice_id mvebu_ahci_ids[] = {
{ .compatible = "marvell,armada-3700-ahci" },
+ { .compatible = "marvell,armada-8k-ahci" },
{ }
};
--
2.9.3
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