From: Patrice Chotard <patrice.chot...@st.com>
The STiH410 is an advanced multi-HD AVC processor with 3D
graphics acceleration and 1.5-GHz ARM Cortex-A9 SMP CPU
part of the stih407 family.
It has wide connectivity including USB 3.0, PCI-e, SATA
and gigabit ethernet.
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---
arch/arm/Kconfig | 9 ++++
arch/arm/Makefile | 1 +
arch/arm/include/asm/arch-stih410/gpio.h | 20 +++++++
arch/arm/include/asm/arch-stih410/sti.h | 14 +++++
arch/arm/include/asm/arch-stih410/syscfg.h | 87 ++++++++++++++++++++++++++++++
arch/arm/mach-sti/Kconfig | 31 +++++++++++
arch/arm/mach-sti/Makefile | 8 +++
arch/arm/mach-sti/cpu.c | 16 ++++++
arch/arm/mach-sti/timer.c | 47 ++++++++++++++++
9 files changed, 233 insertions(+)
create mode 100644 arch/arm/include/asm/arch-stih410/gpio.h
create mode 100644 arch/arm/include/asm/arch-stih410/sti.h
create mode 100644 arch/arm/include/asm/arch-stih410/syscfg.h
create mode 100644 arch/arm/mach-sti/Kconfig
create mode 100644 arch/arm/mach-sti/Makefile
create mode 100644 arch/arm/mach-sti/cpu.c
create mode 100644 arch/arm/mach-sti/timer.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0ed36cd..56a017c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -892,6 +892,13 @@ config STM32
select DM
select DM_SERIAL
+config ARCH_STI
+ bool "Support STMicrolectronics SoCs"
+ select CPU_V7
+ help
+ Support for STMicroelectronics STiH407/10 SoC family.
+ This SoC is used on Linaro 96Board STiH410-B2260
+
config ARCH_ROCKCHIP
bool "Support Rockchip SoCs"
select OF_CONTROL
@@ -965,6 +972,8 @@ source "arch/arm/mach-snapdragon/Kconfig"
source "arch/arm/mach-socfpga/Kconfig"
+source "arch/arm/mach-sti/Kconfig"
+
source "arch/arm/mach-stm32/Kconfig"
source "arch/arm/mach-tegra/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 4b8bf80..986e15d 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -71,6 +71,7 @@ machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon
machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
machine-$(CONFIG_ARCH_RMOBILE) += rmobile
machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
+machine-$(CONFIG_ARCH_STI) += sti
machine-$(CONFIG_STM32) += stm32
machine-$(CONFIG_TEGRA) += tegra
machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
diff --git a/arch/arm/include/asm/arch-stih410/gpio.h
b/arch/arm/include/asm/arch-stih410/gpio.h
new file mode 100644
index 0000000..977b3f8
--- /dev/null
+++ b/arch/arm/include/asm/arch-stih410/gpio.h
@@ -0,0 +1,20 @@
+/*
+ * pins definition for STiH410-B2260
+ *
+ * (C) Copyright 2017 Patrice Chotard <patrice.chot...@st.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _STI_GPIO_H_
+#define _STI_GPIO_H_
+
+struct sti_pin_desc {
+ unsigned char bank;
+ unsigned char pin;
+ unsigned char alt;
+ int dir;
+};
+
+#endif /* _STI_GPIO_H_ */
+
diff --git a/arch/arm/include/asm/arch-stih410/sti.h
b/arch/arm/include/asm/arch-stih410/sti.h
new file mode 100644
index 0000000..d35c4f0
--- /dev/null
+++ b/arch/arm/include/asm/arch-stih410/sti.h
@@ -0,0 +1,14 @@
+/*
+ * (C) Copyright 2017 Patrice Chotard <patrice.chot...@st.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _STI_H_
+#define _STI_H_
+
+/* A9_GLOBAL_TIMER_BASE */
+#define STI_A9_CONFIG_BASE 0x08760000
+#define STI_A9_GLOBAL_TIMER_BASE (STI_A9_CONFIG_BASE + 0x0200)
+
+#endif /* _STI_H_ */
diff --git a/arch/arm/include/asm/arch-stih410/syscfg.h
b/arch/arm/include/asm/arch-stih410/syscfg.h
new file mode 100644
index 0000000..ff7d252
--- /dev/null
+++ b/arch/arm/include/asm/arch-stih410/syscfg.h
@@ -0,0 +1,87 @@
+/*
+ * Configuration/Status Registers for STiH410 SoC
+ *
+ * (C) Copyright 2017 Patrice Chotard <patrice.chot...@st.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _STI_SYSCFG_H_
+#define _STI_SYSCFG_H_
+
+#define STIH410_SYSCONF0_BASE 0x09620000 /* 0-999 */
+#define STIH410_SYSCONF1_BASE 0x09280000 /* 1000-1999 */
+#define STIH410_SYSCONF2_BASE 0x09290000 /* 2000-2999 */
+#define STIH410_SYSCONF3_BASE 0x092a0000 /* 3000-3999 */
+#define STIH410_SYSCONF4_BASE 0x09600000 /* 4000-4999 */
+#define STIH410_SYSCONF5_BASE 0x092b0000 /* 5000-5999 */
+#define STIH410_SYSCONF6_BASE 0x092c0000 /* 6000-6999 */
+
+/*
+ * STIH410 System Configuration "accessors"
+ */
+#define STIH410_SYSCFG(x) \
+ ( \
+ ((x) < 1000) \
+ ? STIH410_SYSCONF0_BASE + ((x)-0)*0x4 \
+ : \
+ ((x) < 2000) \
+ ? STIH410_SYSCONF1_BASE + ((x)-1000)*0x4 \
+ : \
+ ((x) < 3000) \
+ ? STIH410_SYSCONF2_BASE + ((x)-2000)*0x4 \
+ : \
+ ((x) < 4000) \
+ ? STIH410_SYSCONF3_BASE + ((x)-3000)*0x4 \
+ : \
+ ((x) < 5000) \
+ ? STIH410_SYSCONF4_BASE + ((x)-4000)*0x4 \
+ : \
+ ((x) < 6000) \
+ ? STIH410_SYSCONF5_BASE + ((x)-5000)*0x4 \
+ : \
+ STIH410_SYSCONF6_BASE + ((x)-6000)*0x4 \
+ )
+
+/*
+ * if ('flag')
+ * set bit 'bit' in variable 'reg'
+ * else
+ * clear bit 'bit' in variable 'reg'
+ */
+#define SET_SYSCONF_BIT(reg, flag, bit) \
+ do { \
+ if (flag) { \
+ /* set bit 'bit' */ \
+ reg |= (1ul<<(bit)); \
+ } else { \
+ /* clear bit 'bit' */ \
+ reg &= ~(1ul<<(bit)); \
+ } \
+ } while (0)
+
+
+/*
+ * if ('flag')
+ * set bits 'lsb:msb' to 'yes' in variable 'reg'
+ * else
+ * set bits 'lsb:msb' to 'no' in variable 'reg'
+ *
+ * Note: 'msb' must be >= 'lsb'.
+ */
+#define SET_SYSCONF_BITS(reg, flag, lsb, msb, yes, no) \
+ do { \
+ const unsigned long _mask = \
+ (1ul<<((msb)-(lsb)+1))-1ul; \
+ /* clear all bits in 'lsb':'msb' */ \
+ reg &= ~(_mask<<(lsb)); \
+ if (flag) { \
+ /* set 'yes' in lsb:msb */ \
+ reg |= ((yes)<<(lsb)); \
+ } else { \
+ /* set 'no' in lsb:msb */ \
+ reg |= ((no)<<(lsb)); \
+ } \
+ } while (0)
+
+#endif /* _STI_SYSCFG_ */
diff --git a/arch/arm/mach-sti/Kconfig b/arch/arm/mach-sti/Kconfig
new file mode 100644
index 0000000..67a3b24
--- /dev/null
+++ b/arch/arm/mach-sti/Kconfig
@@ -0,0 +1,31 @@
+if ARCH_STI
+
+config SYS_SOC
+ default "stih410"
+
+choice
+ prompt "STiH410 board select"
+
+config TARGET_STIH410_B2260
+ bool "96Boards STiH410-B2260"
+ help
+ Support for 96Board STiH410-B2260 based on STMicrolectronics
+ STiH410 soc. This board complies with 96Board Open Platform
+ Specifications. Features:
+ - 1GB DDR
+ - On-Board USB combo WiFi/Bluetooth RTL8723BU
+ with PCB soldered antenna
+ - Ethernet 1000-BaseT
+ - Sata
+ - HDMI
+ - 2 x USB2 type A
+ - micro USB2 type AB
+ - SD card slot
+ - High speed connector (SD/I2C/USB interfaces)
+ - Slow speed connector (UART/I2C/GPIO/SPI/PCM interfaces)
+
+endchoice
+
+source "board/st/stih410-b2260/Kconfig"
+
+endif
diff --git a/arch/arm/mach-sti/Makefile b/arch/arm/mach-sti/Makefile
new file mode 100644
index 0000000..a97101d
--- /dev/null
+++ b/arch/arm/mach-sti/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2017
+# Patrice Chotard, <patrice.chot...@st.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += cpu.o timer.o
diff --git a/arch/arm/mach-sti/cpu.c b/arch/arm/mach-sti/cpu.c
new file mode 100644
index 0000000..bf79b29
--- /dev/null
+++ b/arch/arm/mach-sti/cpu.c
@@ -0,0 +1,16 @@
+/*
+ * (C) Copyright 2017 Patrice Chotard <patrice.chot...@st.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <asm/arch/syscfg.h>
+#include <asm/io.h>
+
+void reset_cpu(ulong addr)
+{
+ unsigned long sysconf = readl(STIH410_SYSCONF4_BASE);
+
+ SET_SYSCONF_BIT(sysconf, 0, 0);
+ writel(sysconf, STIH410_SYSCONF4_BASE);
+}
diff --git a/arch/arm/mach-sti/timer.c b/arch/arm/mach-sti/timer.c
new file mode 100644
index 0000000..cf4511f
--- /dev/null
+++ b/arch/arm/mach-sti/timer.c
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2017 Patrice Chotard <patrice.chot...@st.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sti.h>
+#include <asm/arch-armv7/globaltimer.h>
+
+static struct globaltimer * const global_timer =
+ (struct globaltimer *)STI_A9_GLOBAL_TIMER_BASE;
+
+static u64 get_cpu_global_timer(void)
+{
+ u32 low, high;
+ u64 timer;
+
+ u32 old = readl(&global_timer->cnt_h);
+ while (1) {
+ low = readl(&global_timer->cnt_l);
+ high = readl(&global_timer->cnt_h);
+ if (old == high)
+ break;
+ else
+ old = high;
+ }
+ timer = high;
+ return (u64)((timer << 32) | low);
+}
+
+int timer_init(void)
+{
+ writel(0x01, &global_timer->ctl);
+ return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+ return get_cpu_global_timer();
+}
+
+ulong get_tbclk(void)
+{
+ return (ulong)(CONFIG_SYS_HZ_CLOCK >> 1);
+}
--
1.9.1
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