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 69bdb84..61f5778 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -31,6 +31,8 @@ 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 fbe2a8b..7e76df7 100644 --- a/arch/arm/mach-socfpga/include/mach/system_manager.h +++ b/arch/arm/mach-socfpga/include/mach/system_manager.h @@ -6,6 +6,9 @@ #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) @@ -88,5 +91,5 @@
#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..0b497ec --- /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 + + S10_HANDOFF_OFFSET_LENGTH)) - + S10_HANDOFF_OFFSET_DATA) / + sizeof(unsigned int); + unsigned int handoff_chunk[handoff_entry], temp, i; + + if (swab32(readl(S10_HANDOFF_MUX)) == S10_HANDOFF_MAGIC_MUX) { + /* using handoff from Quartus tools if exists */ + for (i = 0; i < handoff_entry; i++) { + temp = readl(handoff_address + + S10_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 *)S10_HANDOFF_MUX, table, + table_len); +} + +void sysmgr_pinmux_table_ctrl(const u32 **table, unsigned int *table_len) +{ + sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_IOCTL, table, + table_len); +} + +void sysmgr_pinmux_table_fpga(const u32 **table, unsigned int *table_len) +{ + sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_FPGA, table, + table_len); +} + +void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len) +{ + sysmgr_pinmux_handoff_read((void *)S10_HANODFF_DELAY, table, + table_len); +}