[U-Boot] [PATCH v1 04/16] arm: socfpga: stratix10: Add pinmux support for Stratix10 SoC

Ley Foon Tan
2018-04-19T09:50:45Z

Add pinmux driver support for Stratix SoC

Signed-off-by: Chin Liang See <chin.liang.see@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
---
arch/arm/mach-socfpga/Makefile | 2 +
.../arm/mach-socfpga/include/mach/system_manager.h | 5 +-
.../mach-socfpga/include/mach/system_manager_s10.h | 176 ++++++++++++++++++++
arch/arm/mach-socfpga/system_manager_s10.c | 91 ++++++++++
arch/arm/mach-socfpga/wrap_pinmux_config_s10.c | 56 ++++++
5 files changed, 329 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-socfpga/include/mach/system_manager_s10.h
create mode 100644 arch/arm/mach-socfpga/system_manager_s10.c
create mode 100644 arch/arm/mach-socfpga/wrap_pinmux_config_s10.c

diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
index f10b05c..910eb6f 100644
--- a/arch/arm/mach-socfpga/Makefile
+++ b/arch/arm/mach-socfpga/Makefile
@@ -33,6 +33,8 @@ endif
ifdef CONFIG_TARGET_SOCFPGA_STRATIX10
obj-y += clock_manager_s10.o
obj-y += reset_manager_s10.o
+obj-y += system_manager_s10.o
+obj-y += wrap_pinmux_config_s10.o
obj-y += wrap_pll_config_s10.o
endif
ifdef CONFIG_SPL_BUILD
diff --git a/arch/arm/mach-socfpga/include/mach/system_manager.h b/arch/arm/mach-socfpga/include/mach/system_manager.h
index e6d4280..80c7d0b 100644
--- a/arch/arm/mach-socfpga/include/mach/system_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/system_manager.h
@@ -7,6 +7,9 @@
#ifndef _SYSTEM_MANAGER_H_
#define _SYSTEM_MANAGER_H_

+#if defined(CONFIG_TARGET_SOCFPGA_STRATIX10)
+#include <asm/arch/system_manager_s10.h>
+#else
#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGPINMUX BIT(0)
#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO BIT(1)
#define SYSMGR_ECC_OCRAM_EN BIT(0)
@@ -89,5 +92,5 @@

#define SYSMGR_GET_BOOTINFO_BSEL(bsel) \
(((bsel) >> SYSMGR_BOOTINFO_BSEL_SHIFT) & 7)
-
+#endif
#endif /* _SYSTEM_MANAGER_H_ */
diff --git a/arch/arm/mach-socfpga/include/mach/system_manager_s10.h b/arch/arm/mach-socfpga/include/mach/system_manager_s10.h
new file mode 100644
index 0000000..813dff2
--- /dev/null
+++ b/arch/arm/mach-socfpga/include/mach/system_manager_s10.h
@@ -0,0 +1,176 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#ifndef _SYSTEM_MANAGER_S10_
+#define _SYSTEM_MANAGER_S10_
+
+void sysmgr_pinmux_init(void);
+void populate_sysmgr_fpgaintf_module(void);
+void populate_sysmgr_pinmux(void);
+void sysmgr_pinmux_table_sel(const u32 **table, unsigned int *table_len);
+void sysmgr_pinmux_table_ctrl(const u32 **table, unsigned int *table_len);
+void sysmgr_pinmux_table_fpga(const u32 **table, unsigned int *table_len);
+void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len);
+
+struct socfpga_system_manager {
+ /* System Manager Module */
+ u32 siliconid1; /* 0x00 */
+ u32 siliconid2;
+ u32 wddbg;
+ u32 _pad_0xc;
+ u32 mpu_status; /* 0x10 */
+ u32 mpu_ace;
+ u32 _pad_0x18_0x1c[2];
+ u32 dma; /* 0x20 */
+ u32 dma_periph;
+ /* SDMMC Controller Group */
+ u32 sdmmcgrp_ctrl;
+ u32 sdmmcgrp_l3master;
+ /* NAND Flash Controller Register Group */
+ u32 nandgrp_bootstrap; /* 0x30 */
+ u32 nandgrp_l3master;
+ /* USB Controller Group */
+ u32 usb0_l3master;
+ u32 usb1_l3master;
+ /* EMAC Group */
+ u32 emac_gbl; /* 0x40 */
+ u32 emac0;
+ u32 emac1;
+ u32 emac2;
+ u32 emac0_ace; /* 0x50 */
+ u32 emac1_ace;
+ u32 emac2_ace;
+ u32 nand_axuser;
+ u32 _pad_0x60_0x64[2]; /* 0x60 */
+ /* FPGA interface Group */
+ u32 fpgaintf_en_1;
+ u32 fpgaintf_en_2;
+ u32 fpgaintf_en_3; /* 0x70 */
+ u32 dma_l3master;
+ u32 etr_l3master;
+ u32 _pad_0x7c;
+ u32 sec_ctrl_slt; /* 0x80 */
+ u32 osc_trim;
+ u32 _pad_0x88_0x8c[2];
+ /* ECC Group */
+ u32 ecc_intmask_value; /* 0x90 */
+ u32 ecc_intmask_set;
+ u32 ecc_intmask_clr;
+ u32 ecc_intstatus_serr;
+ u32 ecc_intstatus_derr; /* 0xa0 */
+ u32 _pad_0xa4_0xac[3];
+ u32 noc_addr_remap; /* 0xb0 */
+ u32 hmc_clk;
+ u32 io_pa_ctrl;
+ u32 _pad_0xbc;
+ /* NOC Group */
+ u32 noc_timeout; /* 0xc0 */
+ u32 noc_idlereq_set;
+ u32 noc_idlereq_clr;
+ u32 noc_idlereq_value;
+ u32 noc_idleack; /* 0xd0 */
+ u32 noc_idlestatus;
+ u32 fpga2soc_ctrl;
+ u32 fpga_config;
+ u32 iocsrclk_gate; /* 0xe0 */
+ u32 gpo;
+ u32 gpi;
+ u32 _pad_0xec;
+ u32 mpu; /* 0xf0 */
+ u32 sdm_hps_spare;
+ u32 hps_sdm_spare;
+ u32 _pad_0xfc_0x1fc[65];
+ /* Boot scratch register group */
+ u32 boot_scratch_cold0; /* 0x200 */
+ u32 boot_scratch_cold1;
+ u32 boot_scratch_cold2;
+ u32 boot_scratch_cold3;
+ u32 boot_scratch_cold4; /* 0x210 */
+ u32 boot_scratch_cold5;
+ u32 boot_scratch_cold6;
+ u32 boot_scratch_cold7;
+ u32 boot_scratch_cold8; /* 0x220 */
+ u32 boot_scratch_cold9;
+ u32 _pad_0x228_0xffc[886];
+ /* Pin select and pin control group */
+ u32 pinsel0[40]; /* 0x1000 */
+ u32 _pad_0x10a0_0x10fc[24];
+ u32 pinsel40[8];
+ u32 _pad_0x1120_0x112c[4];
+ u32 ioctrl0[28];
+ u32 _pad_0x11a0_0x11fc[24];
+ u32 ioctrl28[20];
+ u32 _pad_0x1250_0x12fc[44];
+ /* Use FPGA mux */
+ u32 rgmii0usefpga; /* 0x1300 */
+ u32 rgmii1usefpga;
+ u32 rgmii2usefpga;
+ u32 i2c0usefpga;
+ u32 i2c1usefpga;
+ u32 i2c_emac0_usefpga;
+ u32 i2c_emac1_usefpga;
+ u32 i2c_emac2_usefpga;
+ u32 nandusefpga;
+ u32 _pad_0x1324;
+ u32 spim0usefpga;
+ u32 spim1usefpga;
+ u32 spis0usefpga;
+ u32 spis1usefpga;
+ u32 uart0usefpga;
+ u32 uart1usefpga;
+ u32 mdio0usefpga;
+ u32 mdio1usefpga;
+ u32 mdio2usefpga;
+ u32 _pad_0x134c;
+ u32 jtagusefpga;
+ u32 sdmmcusefpga;
+ u32 hps_osc_clk;
+ u32 _pad_0x135c_0x13fc[41];
+ u32 iodelay0[40];
+ u32 _pad_0x14a0_0x14fc[24];
+ u32 iodelay40[8];
+
+};
+
+#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGPINMUX BIT(0)
+#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO BIT(1)
+#define SYSMGR_ECC_OCRAM_EN BIT(0)
+#define SYSMGR_ECC_OCRAM_SERR BIT(3)
+#define SYSMGR_ECC_OCRAM_DERR BIT(4)
+#define SYSMGR_FPGAINTF_USEFPGA 0x1
+
+#define SYSMGR_FPGAINTF_NAND BIT(4)
+#define SYSMGR_FPGAINTF_SDMMC BIT(8)
+#define SYSMGR_FPGAINTF_SPIM0 BIT(16)
+#define SYSMGR_FPGAINTF_SPIM1 BIT(24)
+#define SYSMGR_FPGAINTF_EMAC0 (0x11 << 0)
+#define SYSMGR_FPGAINTF_EMAC1 (0x11 << 8)
+#define SYSMGR_FPGAINTF_EMAC2 (0x11 << 16)
+
+#define SYSMGR_SDMMC_SMPLSEL_SHIFT 4
+#define SYSMGR_SDMMC_DRVSEL_SHIFT 0
+
+/* EMAC Group Bit definitions */
+#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0
+#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII 0x1
+#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII 0x2
+
+#define SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB 0
+#define SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB 2
+#define SYSMGR_EMACGRP_CTRL_PHYSEL_MASK 0x3
+
+#define SYSMGR_NOC_H2F_MSK 0x00000001
+#define SYSMGR_NOC_LWH2F_MSK 0x00000010
+#define SYSMGR_HMC_CLK_STATUS_MSK 0x00000001
+
+#define SYSMGR_DMA_IRQ_NS 0xFF000000
+#define SYSMGR_DMA_MGR_NS 0x00010000
+
+#define SYSMGR_DMAPERIPH_ALL_NS 0xFFFFFFFF
+
+#define SYSMGR_WDDBG_PAUSE_ALL_CPU 0x0F0F0F0F
+
+#endif /* _SYSTEM_MANAGER_S10_ */
diff --git a/arch/arm/mach-socfpga/system_manager_s10.c b/arch/arm/mach-socfpga/system_manager_s10.c
new file mode 100644
index 0000000..122828c
--- /dev/null
+++ b/arch/arm/mach-socfpga/system_manager_s10.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/system_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct socfpga_system_manager *sysmgr_regs =
+ (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
+/*
+ * Configure all the pin muxes
+ */
+void sysmgr_pinmux_init(void)
+{
+ populate_sysmgr_pinmux();
+ populate_sysmgr_fpgaintf_module();
+}
+
+/*
+ * Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting.
+ * The value is not wrote to SYSMGR.FPGAINTF.MODULE but
+ * CONFIG_SYSMGR_ISWGRP_HANDOFF.
+ */
+void populate_sysmgr_fpgaintf_module(void)
+{
+ u32 handoff_val = 0;
+
+ /* Enable the signal for those HPS peripherals that use FPGA. */
+ if (readl(&sysmgr_regs->nandusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_NAND;
+ if (readl(&sysmgr_regs->sdmmcusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SDMMC;
+ if (readl(&sysmgr_regs->spim0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SPIM0;
+ if (readl(&sysmgr_regs->spim1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SPIM1;
+ writel(handoff_val, &sysmgr_regs->fpgaintf_en_2);
+
+ handoff_val = 0;
+ if (readl(&sysmgr_regs->rgmii0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_EMAC0;
+ if (readl(&sysmgr_regs->rgmii1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_EMAC1;
+ if (readl(&sysmgr_regs->rgmii2usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_EMAC2;
+ writel(handoff_val, &sysmgr_regs->fpgaintf_en_3);
+}
+
+/*
+ * Configure all the pin muxes
+ */
+void populate_sysmgr_pinmux(void)
+{
+ const u32 *sys_mgr_table_u32;
+ unsigned int len, i;
+
+ /* setup the pin sel */
+ sysmgr_pinmux_table_sel(&sys_mgr_table_u32, &len);
+ for (i = 0; i < len; i = i + 2) {
+ writel(sys_mgr_table_u32[i + 1],
+ sys_mgr_table_u32[i] + (u8 *)&sysmgr_regs->pinsel0[0]);
+ }
+
+ /* setup the pin ctrl */
+ sysmgr_pinmux_table_ctrl(&sys_mgr_table_u32, &len);
+ for (i = 0; i < len; i = i + 2) {
+ writel(sys_mgr_table_u32[i + 1],
+ sys_mgr_table_u32[i] + (u8 *)&sysmgr_regs->ioctrl0[0]);
+ }
+
+ /* setup the fpga use */
+ sysmgr_pinmux_table_fpga(&sys_mgr_table_u32, &len);
+ for (i = 0; i < len; i = i + 2) {
+ writel(sys_mgr_table_u32[i + 1],
+ sys_mgr_table_u32[i] +
+ (u8 *)&sysmgr_regs->rgmii0usefpga);
+ }
+
+ /* setup the IO delay */
+ sysmgr_pinmux_table_delay(&sys_mgr_table_u32, &len);
+ for (i = 0; i < len; i = i + 2) {
+ writel(sys_mgr_table_u32[i + 1],
+ sys_mgr_table_u32[i] + (u8 *)&sysmgr_regs->iodelay0[0]);
+ }
+}
diff --git a/arch/arm/mach-socfpga/wrap_pinmux_config_s10.c b/arch/arm/mach-socfpga/wrap_pinmux_config_s10.c
new file mode 100644
index 0000000..89c3153
--- /dev/null
+++ b/arch/arm/mach-socfpga/wrap_pinmux_config_s10.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/arch/handoff_s10.h>
+
+static void sysmgr_pinmux_handoff_read(void *handoff_address,
+ const u32 **table,
+ unsigned int *table_len)
+{
+ unsigned int handoff_entry = (swab32(readl(handoff_address +
+ CONFIG_HANDOFF_OFFSET_LENGTH)) -
+ CONFIG_HANDOFF_OFFSET_DATA) /
+ sizeof(unsigned int);
+ unsigned int handoff_chunk[handoff_entry], temp, i;
+
+ if (swab32(readl(CONFIG_HANDOFF_MUX)) == CONFIG_HANDOFF_MAGIC_MUX) {
+ /* using handoff from Quartus tools if exists */
+ for (i = 0; i < handoff_entry; i++) {
+ temp = readl(handoff_address +
+ CONFIG_HANDOFF_OFFSET_DATA + (i * 4));
+ handoff_chunk[i] = swab32(temp);
+ }
+ *table = handoff_chunk;
+ *table_len = ARRAY_SIZE(handoff_chunk);
+ }
+}
+
+void sysmgr_pinmux_table_sel(const u32 **table, unsigned int *table_len)
+{
+ sysmgr_pinmux_handoff_read((void *)CONFIG_HANDOFF_MUX, table,
+ table_len);
+}
+
+void sysmgr_pinmux_table_ctrl(const u32 **table, unsigned int *table_len)
+{
+ sysmgr_pinmux_handoff_read((void *)CONFIG_HANDOFF_IOCTL, table,
+ table_len);
+}
+
+void sysmgr_pinmux_table_fpga(const u32 **table, unsigned int *table_len)
+{
+ sysmgr_pinmux_handoff_read((void *)CONFIG_HANDOFF_FPGA, table,
+ table_len);
+}
+
+void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len)
+{
+ sysmgr_pinmux_handoff_read((void *)CONFIG_HANODFF_DELAY, table,
+ table_len);
+}
--
1.7.1