diff options
Diffstat (limited to 'bsps/riscv/riscv/start/bspstart.c')
| -rw-r--r-- | bsps/riscv/riscv/start/bspstart.c | 76 |
1 files changed, 71 insertions, 5 deletions
diff --git a/bsps/riscv/riscv/start/bspstart.c b/bsps/riscv/riscv/start/bspstart.c index d33e9965f8..d65741b13f 100644 --- a/bsps/riscv/riscv/start/bspstart.c +++ b/bsps/riscv/riscv/start/bspstart.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018 embedded brains GmbH + * Copyright (c) 2018 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -74,6 +74,10 @@ void *riscv_fdt_get_address(const void *fdt, int node) return (void *)(uintptr_t) addr; } +#if RISCV_ENABLE_MPFS_SUPPORT != 0 +uint32_t riscv_hart_count; +static uint32_t riscv_hart_phandles[5]; +#else #ifdef RTEMS_SMP uint32_t riscv_hart_count; @@ -81,6 +85,7 @@ static uint32_t riscv_hart_phandles[CPU_MAXIMUM_PROCESSORS]; #else static uint32_t riscv_hart_phandles[1]; #endif +#endif static void riscv_find_harts(void) { @@ -106,6 +111,14 @@ static void riscv_find_harts(void) hart_index = fdt32_to_cpu(val[0]); +#if RISCV_BOOT_HARTID != 0 + if (hart_index < RISCV_BOOT_HARTID) { + continue; + } + + hart_index -= RISCV_BOOT_HARTID; +#endif + if (hart_index >= RTEMS_ARRAY_SIZE(riscv_hart_phandles)) { continue; } @@ -146,9 +159,13 @@ static void riscv_find_harts(void) riscv_hart_phandles[hart_index] = phandle; } +#if RISCV_ENABLE_MPFS_SUPPORT != 0 + riscv_hart_count = max_hart_index + 1; +#else #ifdef RTEMS_SMP riscv_hart_count = max_hart_index + 1; #endif +#endif } uint32_t riscv_get_hart_index_by_phandle(uint32_t phandle) @@ -157,7 +174,7 @@ uint32_t riscv_get_hart_index_by_phandle(uint32_t phandle) for (hart_index = 0; hart_index < riscv_hart_count; ++hart_index) { if (riscv_hart_phandles[hart_index] == phandle) { - return hart_index; + return hart_index + RISCV_BOOT_HARTID; } } @@ -166,7 +183,7 @@ uint32_t riscv_get_hart_index_by_phandle(uint32_t phandle) static uint32_t get_core_frequency(void) { -#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0 +#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0 || RISCV_ENABLE_MPFS_SUPPORT != 0 uint32_t node; const char *fdt; const char *tlclk; @@ -177,7 +194,13 @@ static uint32_t get_core_frequency(void) node = fdt_node_offset_by_compatible(fdt, -1,"fixed-clock"); tlclk = fdt_getprop(fdt, node, "clock-output-names", &len); - if (strcmp(tlclk,"tlclk") != 0) { +#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0 + if (strcmp(tlclk,"tlclk") != 0) +#endif +#if RISCV_ENABLE_MPFS_SUPPORT != 0 + if (strcmp(tlclk,"msspllclk") != 0) +#endif + { bsp_fatal(RISCV_FATAL_NO_TLCLOCK_FREQUENCY_IN_DEVICE_TREE); } @@ -186,7 +209,16 @@ static uint32_t get_core_frequency(void) return fdt32_to_cpu(*val); } #endif + +#if RISCV_ENABLE_KENDRYTE_K210_SUPPORT != 0 + uint32_t cpu_clock; + + cpu_clock = k210_get_frequency(); + return cpu_clock; +#else return 0; +#endif + } uint32_t riscv_get_core_frequency(void) @@ -197,9 +229,43 @@ uint32_t riscv_get_core_frequency(void) uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells) { (void) icells; - return intr[0]; + return RISCV_INTERRUPT_VECTOR_EXTERNAL(intr[0]); } +#if RISCV_ENABLE_KENDRYTE_K210_SUPPORT != 0 +uint32_t k210_get_frequency(void) +{ + k210_sysctl_t *sysctl = (k210_sysctl_t *)K210_SYSCTL_BASE; + uint32_t cpu_clock = 0; + uint32_t clk_freq; + uint32_t pll0, nr, nf, od; + uint32_t node; + const char *fdt; + const fdt32_t *val; + int len; + + fdt = bsp_fdt_get(); + node = fdt_node_offset_by_compatible(fdt, -1,"fixed-clock"); + val = fdt_getprop(fdt, node, "clock-frequency", &len); + if (val != NULL && len == 4) { + clk_freq = fdt32_to_cpu(*val); + + if (CLKSEL0_ACLK_SEL(sysctl->clk_sel0) == 1) { + /* PLL0 selected */ + pll0 = sysctl->pll0; + nr = PLL_CLK_R(pll0) + 1; + nf = PLL_CLK_F(pll0) + 1; + od = PLL_CLK_OD(pll0) + 1; + cpu_clock = (clk_freq / nr * nf / od)/2; + } else { + /* OSC selected */ + cpu_clock = clk_freq; + } + } + return cpu_clock; +} +#endif + void bsp_start(void) { riscv_find_harts(); |