arm: add initial support for the Phytium Pomelo Board
authorweichangzheng <nicholas_zheng@outlook.com>
Wed, 2 Mar 2022 07:09:05 +0000 (15:09 +0800)
committerTom Rini <trini@konsulko.com>
Thu, 10 Mar 2022 18:57:04 +0000 (13:57 -0500)
This adds platform code and the device tree for the Phytium Pomelo Board.
The initial support comprises the UART and the PCIE.

Signed-off-by: weichangzheng <nicholas_zheng@outlook.com>
14 files changed:
arch/arm/Kconfig
arch/arm/dts/Makefile
arch/arm/dts/phytium-pomelo.dts [new file with mode: 0644]
board/phytium/pomelo/Kconfig [new file with mode: 0644]
board/phytium/pomelo/MAINTAINERS [new file with mode: 0644]
board/phytium/pomelo/Makefile [new file with mode: 0644]
board/phytium/pomelo/cpu.h [new file with mode: 0644]
board/phytium/pomelo/ddr.c [new file with mode: 0644]
board/phytium/pomelo/pcie.c [new file with mode: 0644]
board/phytium/pomelo/pll.c [new file with mode: 0644]
board/phytium/pomelo/pomelo.c [new file with mode: 0644]
board/phytium/pomelo/sec.c [new file with mode: 0644]
configs/pomelo_defconfig [new file with mode: 0644]
include/configs/pomelo.h [new file with mode: 0644]

index a6f2e7a..403156b 100644 (file)
@@ -1986,6 +1986,25 @@ config TARGET_DURIAN
          Support for durian platform.
          It has 2GB Sdram, uart and pcie.
 
+config TARGET_POMELO
+       bool "Support Phytium Pomelo Platform"
+       select ARM64
+       select DM
+       select AHCI
+       select SCSI_AHCI
+       select AHCI_PCI
+       select BLK
+       select PCI
+       select DM_PCI
+       select SCSI
+       select DM_SCSI
+       select DM_SERIAL
+       select DM_ETH if NET
+       imply CMD_PCI
+       help
+          Support for pomelo platform.
+          It has 8GB Sdram, uart and pcie.
+
 config TARGET_PRESIDIO_ASIC
        bool "Support Cortina Presidio ASIC Platform"
        select ARM64
@@ -2257,6 +2276,7 @@ source "board/traverse/ten64/Kconfig"
 source "board/variscite/dart_6ul/Kconfig"
 source "board/vscom/baltos/Kconfig"
 source "board/phytium/durian/Kconfig"
+source "board/phytium/pomelo/Kconfig"
 source "board/xen/xenguest_arm64/Kconfig"
 source "board/keymile/Kconfig"
 
index e53ad53..56ed7b6 100644 (file)
@@ -1188,6 +1188,7 @@ dtb-$(CONFIG_TARGET_VEXPRESS64_JUNO) += juno-r2.dtb
 dtb-$(CONFIG_TARGET_TOTAL_COMPUTE) += total_compute.dtb
 
 dtb-$(CONFIG_TARGET_DURIAN) += phytium-durian.dtb
+dtb-$(CONFIG_TARGET_POMELO) += phytium-pomelo.dtb
 
 dtb-$(CONFIG_TARGET_PRESIDIO_ASIC) += ca-presidio-engboard.dtb
 
diff --git a/arch/arm/dts/phytium-pomelo.dts b/arch/arm/dts/phytium-pomelo.dts
new file mode 100644 (file)
index 0000000..3f809c0
--- /dev/null
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Phytium Pomelo board
+ * Copyright (C) 2021, Phytium Ltd.
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+/dts-v1/;
+
+/ {
+       model = "Phytium Pomelo Board";
+       compatible = "phytium,d2000-pomelo", "phytium,d2000";
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       sysclk_48mhz: clk48mhz {
+               compatible = "fixed-clock";
+               #clock-cells = <0x0>;
+               clock-frequency = <48000000>;
+               clock-output-names = "sysclk_48mhz";
+       };
+
+       soc {
+               compatible = "simple-bus";
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               uart0: serial@28001000 {
+                       compatible = "arm,pl011", "arm,primecell";
+                       reg = <0x0 0x28001000 0x0 0x1000>;
+                       clocks = <&sysclk_48mhz>;
+               };
+
+               pcie@40000000 {
+                       compatible = "pci-host-ecam-generic";
+                       device_type = "pci";
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+                       reg = <0x0 0x40000000 0x0 0x10000000>;
+                       ranges = <0x01000000 0x00 0x00000000 0x0  0x50000000 0x0  0x00F00000>,
+                        <0x02000000 0x00 0x58000000 0x0  0x58000000 0x0  0x28000000>,
+                        <0x43000000 0x10 0x00000000 0x10 0x00000000 0x10  0x00000000>;
+               };
+       };
+};
diff --git a/board/phytium/pomelo/Kconfig b/board/phytium/pomelo/Kconfig
new file mode 100644 (file)
index 0000000..281aa8f
--- /dev/null
@@ -0,0 +1,12 @@
+if TARGET_POMELO
+
+config SYS_BOARD
+       default "pomelo"
+
+config SYS_VENDOR
+       default "phytium"
+
+config SYS_CONFIG_NAME
+       default "pomelo"
+
+endif
diff --git a/board/phytium/pomelo/MAINTAINERS b/board/phytium/pomelo/MAINTAINERS
new file mode 100644 (file)
index 0000000..d76a4a0
--- /dev/null
@@ -0,0 +1,8 @@
+POMELO BOARD
+M:     lixinde <lixinde@phytium.com.cn>
+M:     weichangzheng <weichangzheng@phytium.com.cn>
+S:     Maintained
+F:     board/phytium/pomelo/*
+F:     include/configs/pomelo.h
+F:     configs/pomelo_defconfig
+F:     arch/arm/dts/phytium-pomelo.dts
diff --git a/board/phytium/pomelo/Makefile b/board/phytium/pomelo/Makefile
new file mode 100644 (file)
index 0000000..b9cb360
--- /dev/null
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2021
+# lixinde         <lixinde@phytium.com.cn>
+# weichangzheng   <weichangzheng@phytium.com.cn>
+#
+
+obj-y += pomelo.o
+obj-y += pll.o
+obj-y += pcie.o
+obj-y += ddr.o
+obj-y += sec.o
+
+
diff --git a/board/phytium/pomelo/cpu.h b/board/phytium/pomelo/cpu.h
new file mode 100644 (file)
index 0000000..005ea59
--- /dev/null
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2021
+ * Phytium Technology Ltd <www.phytium.com>
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#ifndef _FT_POMELO_H
+#define _FT_POMELO_H
+
+/* SMCCC ID */
+#define CPU_SVC_VERSION                        0xC2000F00
+#define CPU_GET_RST_SOURCE             0xC2000F01
+#define CPU_INIT_PLL                   0xC2000F02
+#define CPU_INIT_PCIE                  0xC2000F03
+#define CPU_INIT_MEM                   0xC2000F04
+#define CPU_INIT_SEC_SVC               0xC2000F05
+
+/*CPU RESET*/
+#define CPU_RESET_POWER_ON             0x1
+#define CPU_RESET_PLL                  0x4
+#define CPU_RESET_WATCH_DOG            0x8
+
+/* PLL */
+#define PARAMETER_PLL_MAGIC            0x54460010
+
+/* PCIE */
+#define PARAMETER_PCIE_MAGIC           0x54460011
+#define CFG_INDEPENDENT_TREE           0x0
+#define PCI_PEU0                       0x1
+#define PCI_PEU1                       0x1
+#define PEU1_OFFSET                    16
+#define PEU_C_OFFSET_MODE              16
+#define PEU_C_OFFSET_SPEED             0
+#define RC_MODE                                0x1
+#define X8X8                           0x1
+#define GEN3                           3
+
+/* DDR */
+#define PARAMETER_MCU_MAGIC            0x54460014
+#define PARAM_MCU_VERSION              0x1
+#define PARAM_MCU_SIZE                 0x100
+#define PARAM_CH_ENABLE                        0x3
+#define PARAM_ECC_ENABLE               0x3
+#define PARAM_FORCE_SPD_DISABLE                0x0
+#define PARAM_MCU_MISC_ENABLE          0x0
+
+#define UDIMM_TYPE                     0x2
+#define DIMM_X8                                0x1
+#define NO_MIRROR                      0x0
+#define NO_ECC_TYPE                    0
+#define DDR4_TYPE                      0xC
+
+/* SEC */
+#define PARAMETER_COMMON_MAGIC         0x54460013
+
+/* FLUSH L3 CASHE */
+#define HNF_COUNT                      0x8
+#define HNF_PSTATE_REQ                 (HNF_BASE + 0x10)
+#define HNF_PSTATE_STAT                        (HNF_BASE + 0x18)
+#define HNF_PSTATE_OFF                 0x0
+#define HNF_PSTATE_SFONLY              0x1
+#define HNF_PSTATE_HALF                        0x2
+#define HNF_PSTATE_FULL                        0x3
+#define HNF_STRIDE                     0x10000
+#define HNF_BASE                       (unsigned long)(0x3A200000)
+void ddr_init(void);
+void sec_init(void);
+void check_reset(void);
+void pcie_init(void);
+
+#endif /* _FT_POMELO_H */
diff --git a/board/phytium/pomelo/ddr.c b/board/phytium/pomelo/ddr.c
new file mode 100644 (file)
index 0000000..c6dbed9
--- /dev/null
@@ -0,0 +1,161 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#include <stdio.h>
+#include <linux/arm-smccc.h>
+#include <init.h>
+#include "cpu.h"
+
+struct ddr_spd {
+       /******************* read from spd *****************/
+       u8  dimm_type;  /* 1: RDIMM;2: UDIMM;3: SODIMM;4: LRDIMM */
+       u8  data_width; /* 0: x4; 1: x8; 2: x16 */
+       u8  mirror_type;/* 0: stardard; 1: mirror */
+       u8  ecc_type;   /* 0: no-ecc; 1:ecc */
+       u8  dram_type;  /* 0xB: DDR3; 0xC: DDR4 */
+       u8  rank_num;
+       u8  row_num;
+       u8  col_num;
+
+       u8  bg_num;     /*only DDR4*/
+       u8  bank_num;
+       u16 module_manufacturer_id;
+       u16 taamin;
+       u16 trcdmin;
+
+       u16 trpmin;
+       u16 trasmin;
+       u16 trcmin;
+       u16 tfawmin;
+
+       u16 trrd_smin;  /*only DDR4*/
+       u16 trrd_lmin;  /*only DDR4*/
+       u16 tccd_lmin;  /*only DDR4*/
+       u16 twrmin;
+
+       u16 twtr_smin;  /*only DDR4*/
+       u16 twtr_lmin;  /*only DDR4*/
+       u16 twtrmin;    /*only DDR3*/
+       u16 trrdmin;    /*only DDR3*/
+
+       /******************* RCD control words *****************/
+       u8  f0rc03; /*bit[3:2]:CS               bit[1:0]:CA  */
+       u8  f0rc04; /*bit[3:2]:ODT              bit[1:0]:CKE */
+       u8  f0rc05; /*bit[3:2]:CLK-A side       bit[1:0]:CLK-B side */
+       u8  bc00;
+       u8  bc01;
+       u8  bc02;
+       u8  bc03;
+       u8  bc04;
+
+       u8  bc05;
+       u8  f5bc5x;
+       u8  f5bc6x;
+       /******************* LRDIMM special *****************/
+       u8  vrefdq_pr0;
+       u8  vrefdq_mdram;
+       u8  rtt_mdram_1866;
+       u8  rtt_mdram_2400;
+       u8  rtt_mdram_3200;
+
+       u8  drive_dram;
+       u8  odt_dram_1866;
+       u8  odt_dram_2400;
+       u8  odt_dram_3200;
+       u8  park_dram_1866;
+       u8  park_dram_2400;
+       u8  park_dram_3200;
+       u8  rcd_num;
+} __attribute((aligned(4)));
+
+struct mcu_config {
+       u32 magic;
+       u32 version;
+       u32 size;
+       u8 rev1[4];
+
+       u8 ch_enable;
+       u8 misc1_enable;
+       u8 misc2_enable;
+       u8 force_spd_enable;
+       u8 misc3_enable;
+       u8 train_debug;
+       u8 train_recover;
+       u8 rev2[9];
+
+       struct ddr_spd ddr_spd_info[2];
+} __attribute((aligned(4)));
+
+static void get_mcu_up_info_default(struct mcu_config *pm)
+{
+       pm->magic               = PARAMETER_MCU_MAGIC;
+       pm->version             = PARAM_MCU_VERSION;
+       pm->size                = PARAM_MCU_SIZE;
+       pm->ch_enable           = PARAM_CH_ENABLE;
+       pm->misc1_enable        = PARAM_ECC_ENABLE;
+       pm->force_spd_enable    = PARAM_FORCE_SPD_DISABLE;
+       pm->misc3_enable        = PARAM_MCU_MISC_ENABLE;
+       pm->train_recover       = 0x0;
+}
+
+static u8 init_dimm_param(u8 ch, struct mcu_config *pm)
+{
+       debug("manual config dimm info...\n");
+       pm->ddr_spd_info[ch].dimm_type = UDIMM_TYPE;
+       pm->ddr_spd_info[ch].data_width = DIMM_X8;
+       pm->ddr_spd_info[ch].mirror_type = NO_MIRROR;
+       pm->ddr_spd_info[ch].ecc_type = NO_ECC_TYPE;
+       pm->ddr_spd_info[ch].dram_type = DDR4_TYPE;
+       pm->ddr_spd_info[ch].rank_num = 1;
+       pm->ddr_spd_info[ch].row_num  = 16;
+       pm->ddr_spd_info[ch].col_num = 10;
+       pm->ddr_spd_info[ch].bg_num = 4;
+       pm->ddr_spd_info[ch].bank_num = 4;
+       pm->ddr_spd_info[ch].taamin = 13750;
+       pm->ddr_spd_info[ch].trcdmin = 13750;
+
+       pm->ddr_spd_info[ch].trpmin = 13750;
+       pm->ddr_spd_info[ch].trasmin = 32000;
+       pm->ddr_spd_info[ch].trcmin =  45750;
+       pm->ddr_spd_info[ch].tfawmin = 21000;
+
+       pm->ddr_spd_info[ch].trrd_smin = 3000;
+       pm->ddr_spd_info[ch].trrd_lmin = 4900;
+       pm->ddr_spd_info[ch].tccd_lmin = 5000;
+       pm->ddr_spd_info[ch].twrmin = 15000;
+
+       pm->ddr_spd_info[ch].twtr_smin = 2500;
+       pm->ddr_spd_info[ch].twtr_lmin = 7500;
+
+       return 0;
+}
+
+void get_default_mcu_info(u8 *data)
+{
+       get_mcu_up_info_default((struct mcu_config *)data);
+}
+
+void fix_mcu_info(u8 *data)
+{
+       struct mcu_config *mcu_info = (struct mcu_config *)data;
+
+       for (int ch = 0; ch < 2; ch++)
+               init_dimm_param(ch, mcu_info);
+}
+
+void ddr_init(void)
+{
+       u8 buffer[0x100];
+       struct arm_smccc_res res;
+
+       get_default_mcu_info(buffer);
+       fix_mcu_info(buffer);
+
+       arm_smccc_smc(CPU_INIT_MEM, 0, (u64)buffer, 0, 0, 0, 0, 0, &res);
+       if (res.a0 != 0)
+               panic("DRAM init failed :0x%lx\n", res.a0);
+}
diff --git a/board/phytium/pomelo/pcie.c b/board/phytium/pomelo/pcie.c
new file mode 100644 (file)
index 0000000..698d82f
--- /dev/null
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <linux/arm-smccc.h>
+#include <init.h>
+#include "cpu.h"
+
+struct pcu_ctr {
+       u32 base_config[3];
+       u32 equalization[3];
+       u8 rev[80];
+} __attribute((aligned(4)));
+
+struct pcu_config {
+       u32 magic;
+       u32 version;
+       u32 size;
+       u8 rev1[4];
+       u32 independent_tree;
+       u32 base_cfg;
+       u8 rev2[16];
+       struct pcu_ctr ctr_cfg[2];
+} __attribute((aligned(4)));
+
+struct pcu_config const peu_base_info = {
+       .magic = PARAMETER_PCIE_MAGIC,
+       .version = 0x2,
+       .size = 0x100,
+       .independent_tree = CFG_INDEPENDENT_TREE,
+       .base_cfg = ((PCI_PEU1 | (X8X8 << 1)) << PEU1_OFFSET | (PCI_PEU0 | (X8X8 << 1))),
+       .ctr_cfg[0].base_config[0] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[0].base_config[1] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[0].base_config[2] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[1].base_config[0] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[1].base_config[1] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[1].base_config[2] = (RC_MODE << PEU_C_OFFSET_MODE) | (GEN3 << PEU_C_OFFSET_SPEED),
+       .ctr_cfg[0].equalization[0] = 0x7,
+       .ctr_cfg[0].equalization[1] = 0x7,
+       .ctr_cfg[0].equalization[2] = 0x7,
+       .ctr_cfg[1].equalization[0] = 0x7,
+       .ctr_cfg[1].equalization[1] = 0x7,
+       .ctr_cfg[1].equalization[2] = 0x7,
+};
+
+void pcie_init(void)
+{
+       u8 buffer[0x100];
+       struct arm_smccc_res res;
+
+       memcpy(buffer, &peu_base_info, sizeof(peu_base_info));
+       arm_smccc_smc(CPU_INIT_PCIE, 0, (u64)buffer, 0, 0, 0, 0, 0, &res);
+       if (res.a0 != 0)
+               panic("PCIE init failed :0x%lx\n", res.a0);
+}
diff --git a/board/phytium/pomelo/pll.c b/board/phytium/pomelo/pll.c
new file mode 100644 (file)
index 0000000..a66ffdd
--- /dev/null
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <asm/io.h>
+#include <linux/arm-smccc.h>
+#include <init.h>
+#include "cpu.h"
+
+struct pll_config {
+       u32 magic;
+       u32 version;
+       u32 size;
+       u8 rev1[4];
+       u32 core_pll;
+       u32 res1;
+       u32 lmu_pll;
+       u32 res2;
+       u32 res3;
+       u32 res4;
+       u32 res5;
+} __attribute((aligned(4)));
+
+struct pll_config const pll_base_info = {
+       .magic = PARAMETER_PLL_MAGIC,
+       .version = 0x1,
+       .size = 0x30,
+       .core_pll = 2300,       /*MHz*/
+       .lmu_pll = 667,         /*MHz*/
+};
+
+u32 get_reset_source(void)
+{
+       struct arm_smccc_res res;
+
+       arm_smccc_smc(CPU_GET_RST_SOURCE, 0, 0, 0, 0, 0, 0, 0, &res);
+       return res.a0;
+}
+
+void pll_init(void)
+{
+       u8 buffer[0x100];
+       struct arm_smccc_res res;
+
+       memcpy(buffer, &pll_base_info, sizeof(pll_base_info));
+       arm_smccc_smc(CPU_INIT_PLL, 0, (u64)buffer, 0, 0, 0, 0, 0, &res);
+       if (res.a0 != 0)
+               panic("PLL init failed :0x%lx\n", res.a0);
+}
+
+void check_reset(void)
+{
+       u32 rst;
+
+       rst = get_reset_source();
+
+       switch (rst) {
+       case CPU_RESET_POWER_ON:
+               pll_init();
+               break;
+       case CPU_RESET_PLL:
+               break;
+       case CPU_RESET_WATCH_DOG:
+               break;
+       default:
+               panic("other reset source\n");
+       }
+}
diff --git a/board/phytium/pomelo/pomelo.c b/board/phytium/pomelo/pomelo.c
new file mode 100644 (file)
index 0000000..4fbe1e5
--- /dev/null
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#include <stdio.h>
+#include <command.h>
+#include <init.h>
+#include <asm/armv8/mmu.h>
+#include <asm/io.h>
+#include <linux/arm-smccc.h>
+#include <scsi.h>
+#include <init.h>
+#include <asm/u-boot.h>
+#include "cpu.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+       debug("Phytium ddr init\n");
+       ddr_init();
+
+       gd->mem_clk = 0;
+       gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 0x7b000000);
+
+       sec_init();
+       debug("PBF relocate done\n");
+
+       return 0;
+}
+
+int board_init(void)
+{
+       return 0;
+}
+
+void reset_cpu(void)
+{
+       struct arm_smccc_res res;
+
+       debug("run in reset cpu\n");
+       arm_smccc_smc(0x84000009, 0, 0, 0, 0, 0, 0, 0, &res);
+       if (res.a0 != 0)
+               panic("reset cpu error, %lx\n", res.a0);
+}
+
+int mach_cpu_init(void)
+{
+       check_reset();
+       return 0;
+}
+
+int board_early_init_f(void)
+{
+       pcie_init();
+       return 0;
+}
+
+static struct mm_region pomelo_mem_map[] = {
+       {
+               .virt = 0x0UL,
+               .phys = 0x0UL,
+               .size = 0x80000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+                                PTE_BLOCK_NON_SHARE |
+                                PTE_BLOCK_PXN |
+                                PTE_BLOCK_UXN
+       },
+       {
+               .virt = 0x80000000UL,
+               .phys = 0x80000000UL,
+               .size = 0x7b000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+                                PTE_BLOCK_NS |
+                                PTE_BLOCK_INNER_SHARE
+       },
+       {
+               0,
+       }
+};
+
+struct mm_region *mem_map = pomelo_mem_map;
+
+int __asm_flush_l3_dcache(void)
+{
+       int i, pstate;
+
+       for (i = 0; i < HNF_COUNT; i++)
+               writeq(HNF_PSTATE_SFONLY, HNF_PSTATE_REQ + i * HNF_STRIDE);
+       for (i = 0; i < HNF_COUNT; i++) {
+               do {
+                       pstate = readq(HNF_PSTATE_STAT + i * HNF_STRIDE);
+               } while ((pstate & 0xf) != (HNF_PSTATE_SFONLY << 2));
+       }
+
+       for (i = 0; i < HNF_COUNT; i++)
+               writeq(HNF_PSTATE_FULL, HNF_PSTATE_REQ + i * HNF_STRIDE);
+
+       return 0;
+}
+
+int last_stage_init(void)
+{
+       int ret;
+
+       /* pci e */
+       pci_init();
+       /* scsi scan */
+       ret = scsi_scan(true);
+       if (ret) {
+               printf("scsi scan failed\n");
+               return CMD_RET_FAILURE;
+       }
+       return ret;
+}
diff --git a/board/phytium/pomelo/sec.c b/board/phytium/pomelo/sec.c
new file mode 100644 (file)
index 0000000..aeb3983
--- /dev/null
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <linux/arm-smccc.h>
+#include <init.h>
+#include "cpu.h"
+
+struct common_config {
+       u32 magic;
+       u32 version;
+       u32 size;
+       u8 rev1[4];
+       u64  core_bit_map;
+} __attribute((aligned(4)));
+
+struct common_config const common_base_info = {
+       .magic = PARAMETER_COMMON_MAGIC,
+       .version = 0x1,
+       .core_bit_map = 0x3333,
+};
+
+void sec_init(void)
+{
+       u8 buffer[0x100];
+       struct arm_smccc_res res;
+
+       memcpy(buffer, &common_base_info, sizeof(common_base_info));
+       arm_smccc_smc(CPU_INIT_SEC_SVC, 0, (u64)buffer, 0, 0, 0, 0, 0, &res);
+       if (res.a0 != 0)
+               panic("SEC init failed :0x%lx\n", res.a0);
+}
diff --git a/configs/pomelo_defconfig b/configs/pomelo_defconfig
new file mode 100644 (file)
index 0000000..e10eced
--- /dev/null
@@ -0,0 +1,21 @@
+CONFIG_ARM=y
+CONFIG_TARGET_POMELO=y
+CONFIG_SYS_TEXT_BASE=0x180000
+CONFIG_SYS_MALLOC_LEN=0x101000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEFAULT_DEVICE_TREE="phytium-pomelo"
+CONFIG_SYS_PCI_64BIT=y
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_SYS_LOAD_ADDR=0x90000000
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0,115200 earlycon=pl011,0x28001000 root=/dev/sda2 rw"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_LAST_STAGE_INIT=y
+CONFIG_SYS_PROMPT="pomelo#"
+CONFIG_OF_CONTROL=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_DM_PCI_COMPAT=y
+CONFIG_PCIE_ECAM_GENERIC=y
+CONFIG_PCI_PHYTIUM=y
+CONFIG_PL01X_SERIAL=y
diff --git a/include/configs/pomelo.h b/include/configs/pomelo.h
new file mode 100644 (file)
index 0000000..cdd6cdb
--- /dev/null
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021
+ * lixinde         <lixinde@phytium.com.cn>
+ * weichangzheng   <weichangzheng@phytium.com.cn>
+ */
+
+#ifndef __POMELO_CONFIG_H__
+#define __POMELO_CONFIG_H__
+
+/* SDRAM Bank #1 start address */
+#define CONFIG_SYS_SDRAM_BASE          0x80000000
+
+/* SIZE of malloc pool */
+#define CONFIG_SYS_INIT_SP_ADDR                (0x29800000 + 0x1a000)
+
+/*BOOT*/
+#define CONFIG_SYS_BOOTM_LEN           0x3c00000
+
+#ifndef CONFIG_SPL_BUILD
+#define BOOT_TARGET_DEVICES(func) \
+       func(SCSI, scsi, 0) \
+
+#include <config_distro_bootcmd.h>
+#endif
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS              \
+       "image=Image\0" \
+       BOOTENV \
+       "scriptaddr=0x90100000\0" \
+       "kernel_addr_r=0x90200000\0" \
+       "fdt_addr_r=0x95000000\0"                       \
+       "boot_fit=no\0" \
+       "fdtfile=phytium-pomelo.dtb\0" \
+
+#endif
+