+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016-2017 Intel Corporation
- *
- * SPDX-License-Identifier: GPL-2.0
*/
#include <altera.h>
#include <asm/arch/misc.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/reset_manager.h>
+#include <asm/arch/reset_manager_arria10.h>
#include <asm/arch/sdram_arria10.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/nic301.h>
#define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q3_7 0x78
#define PINMUX_UART1_TX_SHARED_IO_OFFSET_Q4_3 0x98
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_SPL_BUILD)
-static struct pl310_regs *const pl310 =
- (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
-static const struct socfpga_noc_fw_ocram *noc_fw_ocram_base =
- (void *)SOCFPGA_SDR_FIREWALL_OCRAM_ADDRESS;
-#endif
-
static struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
/*
- * DesignWare Ethernet initialization
+ * FPGA programming support for SoC FPGA Arria 10
*/
-#ifdef CONFIG_ETH_DESIGNWARE
-void dwmac_deassert_reset(const unsigned int of_reset_id,
- const u32 phymode)
-{
- u32 reset;
-
- if (of_reset_id == EMAC0_RESET) {
- reset = SOCFPGA_RESET(EMAC0);
- } else if (of_reset_id == EMAC1_RESET) {
- reset = SOCFPGA_RESET(EMAC1);
- } else if (of_reset_id == EMAC2_RESET) {
- reset = SOCFPGA_RESET(EMAC2);
- } else {
- printf("GMAC: Invalid reset ID (%i)!\n", of_reset_id);
- return;
- }
-
- clrsetbits_le32(&sysmgr_regs->emac[of_reset_id - EMAC0_RESET],
- SYSMGR_EMACGRP_CTRL_PHYSEL_MASK,
- phymode);
-
- /* Release the EMAC controller from reset */
- socfpga_per_reset(reset, 0);
-}
-#endif
+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
+ },
+};
#if defined(CONFIG_SPL_BUILD)
+static struct pl310_regs *const pl310 =
+ (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+static const struct socfpga_noc_fw_ocram *noc_fw_ocram_base =
+ (void *)SOCFPGA_SDR_FIREWALL_OCRAM_ADDRESS;
+
/*
+ * This function initializes security policies to be consistent across
+ * all logic units in the Arria 10.
+ * The idea is to set all security policies to be normal, nonsecure
+ * for all units.
+ */
-static void initialize_security_policies(void)
+void socfpga_init_security_policies(void)
{
/* Put OCRAM in non-secure */
writel(0x003f0000, &noc_fw_ocram_base->region0);
writel(0x1, &noc_fw_ocram_base->enable);
-}
-
-int arch_early_init_r(void)
-{
- initialize_security_policies();
-
- /* Configure the L2 controller to make SDRAM start at 0 */
- writel(0x1, &pl310->pl310_addr_filter_start);
-
- /* assert reset to all except L4WD0 and L4TIMER0 */
- socfpga_per_reset_all();
-
- /* configuring the clock based on handoff */
- /* TODO: Add call to cm_basic_init() */
-
- /* Add device descriptor to FPGA device table */
- socfpga_fpga_add();
- return 0;
-}
-#else
-int arch_early_init_r(void)
-{
- return 0;
-}
-#endif
-
-/*
- * This function looking the 1st encounter UART peripheral,
- * and then return its offset of the dedicated/shared IO pin
- * mux. offset value (zero and above).
- */
-static int find_peripheral_uart(const void *blob,
- int child, const char *node_name)
-{
- int len;
- fdt_addr_t base_addr = 0;
- fdt_size_t size;
- const u32 *cell;
- u32 value, offset = 0;
-
- base_addr = fdtdec_get_addr_size(blob, child, "reg", &size);
- if (base_addr != FDT_ADDR_T_NONE) {
- cell = fdt_getprop(blob, child, "pinctrl-single,pins",
- &len);
- if (cell != NULL) {
- for (; len > 0; len -= (2 * sizeof(u32))) {
- offset = fdt32_to_cpu(*cell++);
- value = fdt32_to_cpu(*cell++);
- /* Found UART peripheral. */
- if (value == PINMUX_UART)
- return offset;
- }
- }
- }
- return -EINVAL;
-}
-
-/*
- * This function looks up the 1st encounter UART peripheral,
- * and then return its offset of the dedicated/shared IO pin
- * mux. UART peripheral is found if the offset is not in negative
- * value.
- */
-static int is_peripheral_uart_true(const void *blob,
- int node, const char *child_name)
-{
- int child, len;
- const char *node_name;
-
- child = fdt_first_subnode(blob, node);
- if (child < 0)
- return -EINVAL;
+ /* Put DDR in non-secure */
+ writel(0xffff0000, SOCFPGA_SDR_FIREWALL_L3_ADDRESS + 0xc);
+ writel(0x1, SOCFPGA_SDR_FIREWALL_L3_ADDRESS);
- node_name = fdt_get_name(blob, child, &len);
+ /* Enable priviledged and non-priviledged access to L4 peripherals */
+ writel(~0, SOCFPGA_NOC_L4_PRIV_FLT_OFST);
- while (node_name) {
- if (!strcmp(child_name, node_name))
- return find_peripheral_uart(blob, child, node_name);
+ /* Enable secure and non-secure transactions to bridges */
+ writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST);
+ writel(~0, SOCFPGA_NOC_FW_H2F_SCR_OFST + 4);
- child = fdt_next_subnode(blob, child);
- if (child < 0)
- break;
-
- node_name = fdt_get_name(blob, child, &len);
- }
-
- return -1;
+ writel(0x0007FFFF, &sysmgr_regs->ecc_intmask_set);
}
-/*
- * This function looking the 1st encounter UART dedicated IO peripheral,
- * and then return based address of the 1st encounter UART dedicated
- * IO peripheral.
- */
-unsigned int dedicated_uart_com_port(const void *blob)
+void socfpga_sdram_remap_zero(void)
{
- int node;
-
- node = fdtdec_next_compatible(blob, 0,
- COMPAT_ALTERA_SOCFPGA_PINCTRL_SINGLE);
- if (node < 0)
- return 0;
-
- if (is_peripheral_uart_true(blob, node, "dedicated") >= 0)
- return SOCFPGA_UART1_ADDRESS;
-
- return 0;
+ /* Configure the L2 controller to make SDRAM start at 0 */
+ writel(0x1, &pl310->pl310_addr_filter_start);
}
+#endif
-/*
- * This function looking the 1st encounter UART shared IO peripheral, and then
- * return based address of the 1st encounter UART shared IO peripheral.
- */
-unsigned int shared_uart_com_port(const void *blob)
+int arch_early_init_r(void)
{
- int node, ret;
-
- node = fdtdec_next_compatible(blob, 0,
- COMPAT_ALTERA_SOCFPGA_PINCTRL_SINGLE);
- if (node < 0)
- return 0;
-
- ret = is_peripheral_uart_true(blob, node, "shared");
-
- if (ret == PINMUX_UART0_TX_SHARED_IO_OFFSET_Q1_3 ||
- ret == PINMUX_UART0_TX_SHARED_IO_OFFSET_Q2_11 ||
- ret == PINMUX_UART0_TX_SHARED_IO_OFFSET_Q3_3)
- return SOCFPGA_UART0_ADDRESS;
- else if (ret == PINMUX_UART1_TX_SHARED_IO_OFFSET_Q1_7 ||
- ret == PINMUX_UART1_TX_SHARED_IO_OFFSET_Q3_7 ||
- ret == PINMUX_UART1_TX_SHARED_IO_OFFSET_Q4_3)
- return SOCFPGA_UART1_ADDRESS;
+ /* Add device descriptor to FPGA device table */
+ socfpga_fpga_add(&altera_fpga[0]);
return 0;
}
-/*
- * This function looking the 1st encounter UART peripheral, and then return
- * base address of the 1st encounter UART peripheral.
- */
-unsigned int uart_com_port(const void *blob)
-{
- unsigned int ret;
-
- ret = dedicated_uart_com_port(blob);
-
- if (ret)
- return ret;
-
- return shared_uart_com_port(blob);
-}
-
/*
* Print CPU information
*/
}
#endif
-#ifdef CONFIG_ARCH_MISC_INIT
-int arch_misc_init(void)
+void do_bridge_reset(int enable)
{
- return 0;
+ if (enable)
+ socfpga_reset_deassert_bridges_handoff();
+ else
+ socfpga_bridges_reset();
}
-#endif
projects / oweals / u-boot.git / blobdiff