*/
#include <common.h>
+#include <cpu_func.h>
#include <asm/io.h>
#include <errno.h>
#include <fdtdec.h>
DECLARE_GLOBAL_DATA_PTR;
+phys_addr_t socfpga_clkmgr_base __section(".data");
+phys_addr_t socfpga_rstmgr_base __section(".data");
+phys_addr_t socfpga_sysmgr_base __section(".data");
+
+#ifdef CONFIG_SYS_L2_PL310
static const struct pl310_regs *const pl310 =
(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+#endif
struct bsel bsel_str[] = {
{ "rsvd", "Reserved", },
int dram_init(void)
{
- gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
+ if (fdtdec_setup_mem_size_base() != 0)
+ return -EINVAL;
+
return 0;
}
void enable_caches(void)
{
-#ifndef CONFIG_SYS_ICACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
icache_enable();
#endif
-#ifndef CONFIG_SYS_DCACHE_OFF
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
dcache_enable();
#endif
}
+#ifdef CONFIG_SYS_L2_PL310
void v7_outer_cache_enable(void)
+{
+ struct udevice *dev;
+
+ if (uclass_get_device(UCLASS_CACHE, 0, &dev))
+ pr_err("cache controller driver NOT found!\n");
+}
+
+void v7_outer_cache_disable(void)
{
/* Disable the L2 cache */
clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
+}
+
+void socfpga_pl310_clear(void)
+{
+ u32 mask = 0xff, ena = 0;
+
+ icache_enable();
+
+ /* Disable the L2 cache */
+ clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
+
+ writel(0x0, &pl310->pl310_tag_latency_ctrl);
+ writel(0x10, &pl310->pl310_data_latency_ctrl);
/* enable BRESP, instruction and data prefetch, full line of zeroes */
setbits_le32(&pl310->pl310_aux_ctrl,
L310_SHARED_ATT_OVERRIDE_ENABLE);
/* Enable the L2 cache */
- setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
-}
+ ena = readl(&pl310->pl310_ctrl);
+ ena |= L2X0_CTRL_EN;
+
+ /*
+ * Invalidate the PL310 L2 cache. Keep the invalidation code
+ * entirely in L1 I-cache to avoid any bus traffic through
+ * the L2.
+ */
+ asm volatile(
+ ".align 5 \n"
+ " b 3f \n"
+ "1: str %1, [%4] \n"
+ " dsb \n"
+ " isb \n"
+ " str %0, [%2] \n"
+ " dsb \n"
+ " isb \n"
+ "2: ldr %0, [%2] \n"
+ " cmp %0, #0 \n"
+ " bne 2b \n"
+ " str %0, [%3] \n"
+ " dsb \n"
+ " isb \n"
+ " b 4f \n"
+ "3: b 1b \n"
+ "4: nop \n"
+ : "+r"(mask), "+r"(ena)
+ : "r"(&pl310->pl310_inv_way),
+ "r"(&pl310->pl310_cache_sync), "r"(&pl310->pl310_ctrl)
+ : "memory", "cc");
-void v7_outer_cache_disable(void)
-{
/* Disable the L2 cache */
clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
}
+#endif
#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && \
defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
#endif
#ifdef CONFIG_FPGA
-/*
- * FPGA programming support for SoC FPGA Cyclone V
- */
-static Altera_desc altera_fpga[] = {
- {
- /* Family */
- Altera_SoCFPGA,
- /* Interface type */
- fast_passive_parallel,
- /* No limitation as additional data will be ignored */
- -1,
- /* No device function table */
- NULL,
- /* Base interface address specified in driver */
- NULL,
- /* No cookie implementation */
- 0
- },
-};
-
/* add device descriptor to FPGA device table */
-void socfpga_fpga_add(void)
+void socfpga_fpga_add(void *fpga_desc)
{
- int i;
fpga_init();
- for (i = 0; i < ARRAY_SIZE(altera_fpga); i++)
- fpga_add(fpga_altera, &altera_fpga[i]);
+ fpga_add(fpga_altera, fpga_desc);
}
#endif
int arch_cpu_init(void)
{
+ socfpga_get_managers_addr();
+
#ifdef CONFIG_HW_WATCHDOG
/*
* In case the watchdog is enabled, make sure to (re-)configure it
return 0;
}
+
+#ifndef CONFIG_SPL_BUILD
+static int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ unsigned int mask = ~0;
+
+ if (argc < 2 || argc > 3)
+ return CMD_RET_USAGE;
+
+ argv++;
+
+ if (argc == 3)
+ mask = simple_strtoul(argv[1], NULL, 16);
+
+ switch (*argv[0]) {
+ case 'e': /* Enable */
+ do_bridge_reset(1, mask);
+ break;
+ case 'd': /* Disable */
+ do_bridge_reset(0, mask);
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(bridge, 3, 1, do_bridge,
+ "SoCFPGA HPS FPGA bridge control",
+ "enable [mask] - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+ "bridge disable [mask] - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+ ""
+);
+
+#endif
+
+static int socfpga_get_base_addr(const char *compat, phys_addr_t *base)
+{
+ const void *blob = gd->fdt_blob;
+ struct fdt_resource r;
+ int node;
+ int ret;
+
+ node = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (node < 0)
+ return node;
+
+ if (!fdtdec_get_is_enabled(blob, node))
+ return -ENODEV;
+
+ ret = fdt_get_resource(blob, node, "reg", 0, &r);
+ if (ret)
+ return ret;
+
+ *base = (phys_addr_t)r.start;
+
+ return 0;
+}
+
+void socfpga_get_managers_addr(void)
+{
+ int ret;
+
+ ret = socfpga_get_base_addr("altr,rst-mgr", &socfpga_rstmgr_base);
+ if (ret)
+ hang();
+
+ ret = socfpga_get_base_addr("altr,sys-mgr", &socfpga_sysmgr_base);
+ if (ret)
+ hang();
+
+#ifdef CONFIG_TARGET_SOCFPGA_AGILEX
+ ret = socfpga_get_base_addr("intel,agilex-clkmgr",
+ &socfpga_clkmgr_base);
+#else
+ ret = socfpga_get_base_addr("altr,clk-mgr", &socfpga_clkmgr_base);
+#endif
+ if (ret)
+ hang();
+}
+
+phys_addr_t socfpga_get_rstmgr_addr(void)
+{
+ return socfpga_rstmgr_base;
+}
+
+phys_addr_t socfpga_get_sysmgr_addr(void)
+{
+ return socfpga_sysmgr_base;
+}
+
+phys_addr_t socfpga_get_clkmgr_addr(void)
+{
+ return socfpga_clkmgr_base;
+}
projects / oweals / u-boot.git / blobdiff