Add SPL support for Arria 10 and add reset_uart() to use in SPL.
Signed-off-by: Tien Fong Chee <tien.fong.c...@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
---
.../include/mach/reset_manager_arria10.h | 1 +
arch/arm/mach-socfpga/reset_manager_arria10.c | 18 +++++++
arch/arm/mach-socfpga/spl.c | 55 +++++++++++++++++++++-
3 files changed, 72 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager_arria10.h
b/arch/arm/mach-socfpga/include/mach/reset_manager_arria10.h
index e3171d1..d0711cf 100644
--- a/arch/arm/mach-socfpga/include/mach/reset_manager_arria10.h
+++ b/arch/arm/mach-socfpga/include/mach/reset_manager_arria10.h
@@ -14,6 +14,7 @@ void emac_manage_reset(ulong emacbase, uint state);
int reset_deassert_bridges_handoff(void);
void reset_assert_fpga_connected_peripherals(void);
void reset_deassert_osc1wd0(void);
+void reset_uart(int assert);
struct socfpga_reset_manager {
u32 stat;
diff --git a/arch/arm/mach-socfpga/reset_manager_arria10.c
b/arch/arm/mach-socfpga/reset_manager_arria10.c
index 547a8bb..bbf54f0 100644
--- a/arch/arm/mach-socfpga/reset_manager_arria10.c
+++ b/arch/arm/mach-socfpga/reset_manager_arria10.c
@@ -28,6 +28,24 @@ static const struct socfpga_system_manager *sysmgr_regs =
ALT_RSTMGR_PER0MODRST_QSPIECC_SET_MSK | \
ALT_RSTMGR_PER0MODRST_SDMMCECC_SET_MSK)
+void reset_uart(int assert)
+{
+ u32 mask = 0;
+ unsigned int com_port;
+
+ com_port = uart_com_port(gd->fdt_blob);
+
+ if (com_port == SOCFPGA_UART1_ADDRESS)
+ mask |= ALT_RSTMGR_PER1MODRST_UART1_SET_MSK;
+ else if (com_port == SOCFPGA_UART0_ADDRESS)
+ mask |= ALT_RSTMGR_PER1MODRST_UART0_SET_MSK;
+
+ if (assert)
+ setbits_le32(&reset_manager_base->per1modrst, mask);
+ else
+ clrbits_le32(&reset_manager_base->per1modrst, mask);
+}
+
static const u32 per0fpgamasks[] = {
ALT_RSTMGR_PER0MODRST_EMACECC0_SET_MSK |
ALT_RSTMGR_PER0MODRST_EMAC0_SET_MSK,
diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c
index fec4c7a..5c0cc98 100644
--- a/arch/arm/mach-socfpga/spl.c
+++ b/arch/arm/mach-socfpga/spl.c
@@ -19,23 +19,32 @@
#include <asm/arch/sdram.h>
#include <asm/arch/scu.h>
#include <asm/arch/nic301.h>
+#include <asm/sections.h>
+#include <fdtdec.h>
+#include <watchdog.h>
+#if defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+#include <asm/arch/pinmux.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
static struct pl310_regs *const pl310 =
(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
static struct scu_registers *scu_regs =
(struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS;
static struct nic301_registers *nic301_regs =
(struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS;
-static struct socfpga_system_manager *sysmgr_regs =
+#endif
+
+static const struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
u32 spl_boot_device(void)
{
const u32 bsel = readl(&sysmgr_regs->bootinfo);
- switch (bsel & 0x7) {
+ switch ((bsel >> SYSMGR_BOOTINFO_BSEL_SHIFT) & 0x7) {
case 0x1: /* FPGA (HPS2FPGA Bridge) */
return BOOT_DEVICE_RAM;
case 0x2: /* NAND Flash (1.8V) */
@@ -68,6 +77,7 @@ u32 spl_boot_mode(const u32 boot_device)
}
#endif
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
static void socfpga_nic301_slave_ns(void)
{
writel(0x1, &nic301_regs->lwhps2fpgaregs);
@@ -182,3 +192,44 @@ void board_init_f(ulong dummy)
/* Configure simple malloc base pointer into RAM. */
gd->malloc_base = CONFIG_SYS_TEXT_BASE + (1024 * 1024);
}
+#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+ /* configuring the clock based on handoff */
+ cm_basic_init(gd->fdt_blob);
+ WATCHDOG_RESET();
+
+ config_dedicated_pins(gd->fdt_blob);
+ WATCHDOG_RESET();
+
+ /* Release UART from reset */
+ reset_uart(0);
+
+ /* enable console uart printing */
+ preloader_console_init();
+}
+#endif
+
+void board_init_f(ulong dummy)
+{
+ /*
+ * Configure Clock Manager to use intosc clock instead external osc to
+ * ensure success watchdog operation. We do it as early as possible.
+ */
+ cm_use_intosc();
+
+ watchdog_disable();
+
+ arch_early_init_r();
+
+#ifdef CONFIG_HW_WATCHDOG
+ /* release osc1 watchdog timer 0 from reset */
+ reset_deassert_osc1wd0();
+
+ /* reconfigure and enable the watchdog */
+ hw_watchdog_init();
+ WATCHDOG_RESET();
+#endif /* CONFIG_HW_WATCHDOG */
+}
+#endif
--
1.8.2.3
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