#include <common.h>
#include <asm/io.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <libfdt.h>
#include <altera.h>
#include <miiphy.h>
#include <netdev.h>
#include <watchdog.h>
#include <asm/arch/reset_manager.h>
+#include <asm/arch/scan_manager.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/dwmmc.h>
#include <asm/arch/nic301.h>
#include <asm/arch/scu.h>
#include <asm/pl310.h>
+#include <dt-bindings/reset/altr,rst-mgr.h>
+
DECLARE_GLOBAL_DATA_PTR;
static struct pl310_regs *const pl310 =
* DesignWare Ethernet initialization
*/
#ifdef CONFIG_ETH_DESIGNWARE
-int cpu_eth_init(bd_t *bis)
+static void dwmac_deassert_reset(const unsigned int of_reset_id)
{
-#if CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS
- const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB;
- const u32 reset = SOCFPGA_RESET(EMAC0);
-#elif CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS
- const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB;
- const u32 reset = SOCFPGA_RESET(EMAC1);
-#else
-#error "Incorrect CONFIG_EMAC_BASE value!"
-#endif
-
- /* Initialize EMAC. This needs to be done at least once per boot. */
-
- /*
- * Putting the EMAC controller to reset when configuring the PHY
- * interface select at System Manager
- */
- socfpga_per_reset(SOCFPGA_RESET(EMAC0), 1);
- socfpga_per_reset(SOCFPGA_RESET(EMAC1), 1);
+ u32 physhift, reset;
+
+ if (of_reset_id == EMAC0_RESET) {
+ physhift = SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB;
+ reset = SOCFPGA_RESET(EMAC0);
+ } else if (of_reset_id == EMAC1_RESET) {
+ physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB;
+ reset = SOCFPGA_RESET(EMAC1);
+ } else {
+ printf("GMAC: Invalid reset ID (%i)!\n", of_reset_id);
+ return;
+ }
/* Clearing emac0 PHY interface select to 0 */
clrbits_le32(&sysmgr_regs->emacgrp_ctrl,
/* Release the EMAC controller from reset */
socfpga_per_reset(reset, 0);
+}
- /* initialize and register the emac */
- return designware_initialize(CONFIG_EMAC_BASE,
- CONFIG_PHY_INTERFACE_MODE);
+int cpu_eth_init(bd_t *bis)
+{
+ const void *fdt = gd->fdt_blob;
+ struct fdtdec_phandle_args args;
+ int nodes[2]; /* Max. two GMACs */
+ int ret, count;
+ int i, node;
+
+ /* Put both GMACs into RESET state. */
+ socfpga_per_reset(SOCFPGA_RESET(EMAC0), 1);
+ socfpga_per_reset(SOCFPGA_RESET(EMAC1), 1);
+
+ count = fdtdec_find_aliases_for_id(fdt, "ethernet",
+ COMPAT_ALTERA_SOCFPGA_DWMAC,
+ nodes, ARRAY_SIZE(nodes));
+ for (i = 0; i < count; i++) {
+ node = nodes[i];
+ if (node <= 0)
+ continue;
+
+ ret = fdtdec_parse_phandle_with_args(fdt, node, "resets",
+ "#reset-cells", 1, 0,
+ &args);
+ if (ret || (args.args_count != 1)) {
+ debug("GMAC%i: Failed to parse DT 'resets'!\n", i);
+ continue;
+ }
+
+ dwmac_deassert_reset(args.args[0]);
+ }
+
+ return 0;
}
#endif
*/
int cpu_mmc_init(bd_t *bis)
{
+/*
+ * FIXME: Temporarily define CONFIG_HPS_SDMMC_BUSWIDTH to prevent breakage
+ * due to missing patches in u-boot/master . The upcoming patch will
+ * switch this to OF probing, so this whole block will go away.
+ */
+#define CONFIG_HPS_SDMMC_BUSWIDTH 8
return socfpga_dwmmc_init(SOCFPGA_SDMMC_ADDRESS,
CONFIG_HPS_SDMMC_BUSWIDTH, 0);
}
#endif
-#if defined(CONFIG_DISPLAY_CPUINFO)
+struct {
+ const char *mode;
+ const char *name;
+} bsel_str[] = {
+ { "rsvd", "Reserved", },
+ { "fpga", "FPGA (HPS2FPGA Bridge)", },
+ { "nand", "NAND Flash (1.8V)", },
+ { "nand", "NAND Flash (3.0V)", },
+ { "sd", "SD/MMC External Transceiver (1.8V)", },
+ { "sd", "SD/MMC Internal Transceiver (3.0V)", },
+ { "qspi", "QSPI Flash (1.8V)", },
+ { "qspi", "QSPI Flash (3.0V)", },
+};
+
+static const struct {
+ const u16 pn;
+ const char *name;
+ const char *var;
+} const socfpga_fpga_model[] = {
+ /* Cyclone V E */
+ { 0x2b15, "Cyclone V, E/A2", "cv_e_a2" },
+ { 0x2b05, "Cyclone V, E/A4", "cv_e_a4" },
+ { 0x2b22, "Cyclone V, E/A5", "cv_e_a5" },
+ { 0x2b13, "Cyclone V, E/A7", "cv_e_a7" },
+ { 0x2b14, "Cyclone V, E/A9", "cv_e_a9" },
+ /* Cyclone V GX/GT */
+ { 0x2b01, "Cyclone V, GX/C3", "cv_gx_c3" },
+ { 0x2b12, "Cyclone V, GX/C4", "cv_gx_c4" },
+ { 0x2b02, "Cyclone V, GX/C5 or GT/D5", "cv_gx_c5" },
+ { 0x2b03, "Cyclone V, GX/C7 or GT/D7", "cv_gx_c7" },
+ { 0x2b04, "Cyclone V, GX/C9 or GT/D9", "cv_gx_c9" },
+ /* Cyclone V SE/SX/ST */
+ { 0x2d11, "Cyclone V, SE/A2 or SX/C2", "cv_se_a2" },
+ { 0x2d01, "Cyclone V, SE/A4 or SX/C4", "cv_se_a4" },
+ { 0x2d12, "Cyclone V, SE/A5 or SX/C5 or ST/D5", "cv_se_a5" },
+ { 0x2d02, "Cyclone V, SE/A6 or SX/C6 or ST/D6", "cv_se_a6" },
+ /* Arria V */
+ { 0x2d03, "Arria V, D5", "av_d5" },
+};
+
+static int socfpga_fpga_id(const bool print_id)
+{
+ const u32 altera_mi = 0x6e;
+ const u32 id = scan_mgr_get_fpga_id();
+
+ const u32 lsb = id & 0x00000001;
+ const u32 mi = (id >> 1) & 0x000007ff;
+ const u32 pn = (id >> 12) & 0x0000ffff;
+ const u32 version = (id >> 28) & 0x0000000f;
+ int i;
+
+ if ((mi != altera_mi) || (lsb != 1)) {
+ printf("FPGA: Not Altera chip ID\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(socfpga_fpga_model); i++)
+ if (pn == socfpga_fpga_model[i].pn)
+ break;
+
+ if (i == ARRAY_SIZE(socfpga_fpga_model)) {
+ printf("FPGA: Unknown Altera chip, ID 0x%08x\n", id);
+ return -EINVAL;
+ }
+
+ if (print_id)
+ printf("FPGA: Altera %s, version 0x%01x\n",
+ socfpga_fpga_model[i].name, version);
+ return i;
+}
+
/*
* Print CPU information
*/
+#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo(void)
{
+ const u32 bsel = readl(&sysmgr_regs->bootinfo) & 0x7;
puts("CPU: Altera SoCFPGA Platform\n");
+ socfpga_fpga_id(1);
+ printf("BOOT: %s\n", bsel_str[bsel].name);
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_ARCH_MISC_INIT
+int arch_misc_init(void)
+{
+ const u32 bsel = readl(&sysmgr_regs->bootinfo) & 0x7;
+ const int fpga_id = socfpga_fpga_id(0);
+ setenv("bootmode", bsel_str[bsel].mode);
+ if (fpga_id >= 0)
+ setenv("fpgatype", socfpga_fpga_model[fpga_id].var);
return 0;
}
#endif
projects / karo-tx-uboot.git / blobdiff