
On 03/30/2017 03:08 PM, Ley Foon Tan wrote:
Add SPL support for Arria 10.
Signed-off-by: Tien Fong Chee tien.fong.chee@intel.com Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com
arch/arm/mach-socfpga/spl.c | 74 ++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 69 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c index fec4c7a..31f4d41 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 (SYSMGR_GET_BOOTINFO_BSEL(bsel)) { 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); @@ -85,6 +95,7 @@ void board_init_f(ulong dummy) #endif unsigned long sdram_size; unsigned long reg;
int ret;
/*
- First C code to run. Clear fake OCRAM ECC first as SBE
@@ -117,7 +128,11 @@ void board_init_f(ulong dummy) /* Put everything into reset but L4WD0. */ socfpga_per_reset_all(); /* Put FPGA bridges into reset too. */
- socfpga_bridges_reset(1);
- ret = socfpga_bridges_reset(1);
- if (ret) {
debug("socfpga_bridges_reset() failed: %d\n", ret);
Shouldn't this be printf() ?
hang();
}
socfpga_per_reset(SOCFPGA_RESET(SDR), 0); socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
@@ -147,7 +162,11 @@ void board_init_f(ulong dummy)
/* De-assert reset for peripherals and bridges based on handoff */ reset_deassert_peripherals_handoff();
- socfpga_bridges_reset(0);
- ret = socfpga_bridges_reset(0);
- if (ret) {
debug("socfpga_bridges_reset() failed: %d\n", ret);
DTTO ?
hang();
}
debug("Unfreezing/Thaw all I/O banks\n"); /* unfreeze / thaw all IO banks */
@@ -177,8 +196,53 @@ void board_init_f(ulong dummy) hang(); }
- socfpga_bridges_reset(1);
- ret = socfpga_bridges_reset(1);
- if (ret) {
debug("socfpga_bridges_reset() failed: %d\n", ret);
DTTO ?
hang();
}
/* 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 */
- socfpga_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();
- socfpga_watchdog_disable();
- arch_early_init_r();
+#ifdef CONFIG_HW_WATCHDOG
- /* release osc1 watchdog timer 0 from reset */
- socfpga_reset_deassert_osc1wd0();
- /* reconfigure and enable the watchdog */
- hw_watchdog_init();
- WATCHDOG_RESET();
+#endif /* CONFIG_HW_WATCHDOG */ +} +#endif