select DM
select DM_SERIAL
select DYNAMIC_IO_PORT_BASE
+ select MIPS_CM
+ select MIPS_L2_CACHE
select OF_CONTROL
select OF_ISA_BUS
select SUPPORTS_BIG_ENDIAN
select OF_CONTROL
select DM
+config TARGET_BOSTON
+ bool "Support Boston"
+ select DM
+ select DM_SERIAL
+ select OF_CONTROL
+ select MIPS_CM
+ select MIPS_L1_CACHE_SHIFT_6
+ select MIPS_L2_CACHE
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_LITTLE_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select SUPPORTS_CPU_MIPS32_R2
+ select SUPPORTS_CPU_MIPS32_R6
+ select SUPPORTS_CPU_MIPS64_R1
+ select SUPPORTS_CPU_MIPS64_R2
+ select SUPPORTS_CPU_MIPS64_R6
+
+config TARGET_XILFPGA
+ bool "Support Imagination Xilfpga"
+ select OF_CONTROL
+ select DM
+ select DM_SERIAL
+ select DM_GPIO
+ select DM_ETH
+ select SUPPORTS_LITTLE_ENDIAN
+ select SUPPORTS_CPU_MIPS32_R1
+ select SUPPORTS_CPU_MIPS32_R2
+ select MIPS_L1_CACHE_SHIFT_4
+ help
+ This supports IMGTEC MIPSfpga platform
+
endchoice
source "board/dbau1x00/Kconfig"
+source "board/imgtec/boston/Kconfig"
source "board/imgtec/malta/Kconfig"
+source "board/imgtec/xilfpga/Kconfig"
source "board/micronas/vct/Kconfig"
source "board/pb1x00/Kconfig"
source "board/qemu-mips/Kconfig"
default "4" if MIPS_L1_CACHE_SHIFT_4
default "5"
+config MIPS_L2_CACHE
+ bool
+ help
+ Select this if your system includes an L2 cache and you want U-Boot
+ to initialise & maintain it.
+
config DYNAMIC_IO_PORT_BASE
bool
+config MIPS_CM
+ bool
+ help
+ Select this if your system contains a MIPS Coherence Manager and you
+ wish U-Boot to configure it or make use of it to retrieve system
+ information such as cache configuration.
+
+config MIPS_CM_BASE
+ hex
+ default 0x1fbf8000
+ help
+ The physical base address at which to map the MIPS Coherence Manager
+ Global Configuration Registers (GCRs). This should be set such that
+ the GCRs occupy a region of the physical address space which is
+ otherwise unused, or at minimum that software doesn't need to access.
+
endif
endmenu
obj-y += time.o
obj-y += interrupts.o
obj-y += cpu.o
+
+obj-$(CONFIG_MIPS_CM) += cm_init.o
--- /dev/null
+/*
+ * MIPS Coherence Manager (CM) Initialisation
+ *
+ * Copyright (c) 2016 Imagination Technologies Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/addrspace.h>
+#include <asm/asm.h>
+#include <asm/cm.h>
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+
+LEAF(mips_cm_map)
+ /* Config3 must exist for a CM to be present */
+ mfc0 t0, CP0_CONFIG, 1
+ bgez t0, 2f
+ mfc0 t0, CP0_CONFIG, 2
+ bgez t0, 2f
+
+ /* Check Config3.CMGCR to determine CM presence */
+ mfc0 t0, CP0_CONFIG, 3
+ and t0, t0, MIPS_CONF3_CMGCR
+ beqz t0, 2f
+
+ /* Find the current physical GCR base address */
+1: MFC0 t0, CP0_CMGCRBASE
+ PTR_SLL t0, t0, 4
+
+ /* If the GCRs are where we want, we're done */
+ PTR_LI t1, CONFIG_MIPS_CM_BASE
+ beq t0, t1, 2f
+
+ /* Move the GCRs to our configured base address */
+ PTR_LI t2, CKSEG1
+ PTR_ADDU t0, t0, t2
+ sw zero, GCR_BASE_UPPER(t0)
+ sw t1, GCR_BASE(t0)
+
+ /* Re-check the GCR base */
+ b 1b
+
+2: jr ra
+ END(mips_cm_map)
#include <common.h>
#include <command.h>
#include <linux/compiler.h>
+#include <asm/cache.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
write_c0_index(index);
tlb_write_indexed();
}
+
+int arch_cpu_init(void)
+{
+ mips_cache_probe();
+ return 0;
+}
#include <asm/regdef.h>
#include <asm/mipsregs.h>
-#ifndef CONFIG_SYS_MIPS_CACHE_MODE
-#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
-#endif
-
#ifndef CONFIG_SYS_INIT_SP_ADDR
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
CONFIG_SYS_INIT_SP_OFFSET)
.align 4
reset:
+#if __mips_isa_rev >= 6
+ mfc0 t0, CP0_CONFIG, 5
+ and t0, t0, MIPS_CONF5_VP
+ beqz t0, 1f
+ nop
+
+ b 2f
+ mfc0 t0, CP0_GLOBALNUMBER
+#endif
+
+1: mfc0 t0, CP0_EBASE
+ and t0, t0, EBASE_CPUNUM
+
+ /* Hang if this isn't the first CPU in the system */
+2: beqz t0, 4f
+ nop
+3: wait
+ b 3b
+ nop
/* Clear watch registers */
- MTC0 zero, CP0_WATCHLO
+4: MTC0 zero, CP0_WATCHLO
mtc0 zero, CP0_WATCHHI
/* WP(Watch Pending), SW0/1 should be cleared */
mtc0 zero, CP0_COMPARE
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- /* CONFIG0 register */
- li t0, CONF_CM_UNCACHED
+ mfc0 t0, CP0_CONFIG
+ and t0, t0, MIPS_CONF_IMPL
+ or t0, t0, CONF_CM_UNCACHED
mtc0 t0, CP0_CONFIG
+ ehb
#endif
/*
1:
PTR_L gp, 0(ra)
+#ifdef CONFIG_MIPS_CM
+ PTR_LA t9, mips_cm_map
+ jalr t9
+ nop
+#endif
+
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+# ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
/* Initialize any external memory */
PTR_LA t9, lowlevel_init
jalr t9
nop
+# endif
/* Initialize caches... */
PTR_LA t9, mips_cache_reset
jalr t9
nop
- /* ... and enable them */
- li t0, CONFIG_SYS_MIPS_CACHE_MODE
- mtc0 t0, CP0_CONFIG
+# ifndef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
+ /* Initialize any external memory */
+ PTR_LA t9, lowlevel_init
+ jalr t9
+ nop
+# endif
#endif
/* Set up temporary stack */
PTR_LI t0, CONFIG_SYS_MONITOR_BASE
PTR_SUB s1, s2, t0 # s1 <-- relocation offset
- PTR_LA t3, in_ram
- PTR_L t2, -(3 * PTRSIZE)(t3) # t2 <-- __image_copy_end
+ PTR_LA t2, __image_copy_end
move t1, a2
- PTR_ADD gp, s1 # adjust gp
-
/*
* t0 = source address
* t1 = target address
blt t0, t2, 1b
PTR_ADDU t1, PTRSIZE
- /* If caches were enabled, we would have to flush them here. */
- PTR_SUB a1, t1, s2 # a1 <-- size
- PTR_LA t9, flush_cache
- jalr t9
- move a0, s2 # a0 <-- destination address
-
- /* Jump to where we've relocated ourselves */
- PTR_ADDIU t0, s2, in_ram - _start
- jr t0
- nop
-
- PTR __rel_dyn_end
- PTR __rel_dyn_start
- PTR __image_copy_end
- PTR _GLOBAL_OFFSET_TABLE_
- PTR num_got_entries
-
-in_ram:
/*
* Now we want to update GOT.
*
* GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
* generated by GNU ld. Skip these reserved entries from relocation.
*/
- PTR_L t3, -(1 * PTRSIZE)(t0) # t3 <-- num_got_entries
- PTR_L t8, -(2 * PTRSIZE)(t0) # t8 <-- _GLOBAL_OFFSET_TABLE_
+ PTR_LA t3, num_got_entries
+ PTR_LA t8, _GLOBAL_OFFSET_TABLE_
PTR_ADD t8, s1 # t8 now holds relocated _G_O_T_
PTR_ADDIU t8, t8, 2 * PTRSIZE # skipping first two entries
PTR_LI t2, 2
PTR_ADDIU t8, PTRSIZE
/* Update dynamic relocations */
- PTR_L t1, -(4 * PTRSIZE)(t0) # t1 <-- __rel_dyn_start
- PTR_L t2, -(5 * PTRSIZE)(t0) # t2 <-- __rel_dyn_end
+ PTR_LA t1, __rel_dyn_start
+ PTR_LA t2, __rel_dyn_end
b 2f # skip first reserved entry
PTR_ADDIU t1, 2 * PTRSIZE
blt t1, t2, 1b
PTR_ADDIU t1, 2 * PTRSIZE # each rel.dyn entry is 2*PTRSIZE bytes
+ /*
+ * Flush caches to ensure our newly modified instructions are visible
+ * to the instruction cache. We're still running with the old GOT, so
+ * apply the reloc offset to the start address.
+ */
+ PTR_LA a0, __text_start
+ PTR_LA a1, __text_end
+ PTR_SUB a1, a1, a0
+ PTR_LA t9, flush_cache
+ jalr t9
+ PTR_ADD a0, s1
+
+ PTR_ADD gp, s1 # adjust gp
+
/*
* Clear BSS
*
. = ALIGN(4);
.text : {
+ __text_start = .;
*(.text*)
+ __text_end = .;
}
. = ALIGN(4);
dtb-$(CONFIG_TARGET_AP121) += ap121.dtb
dtb-$(CONFIG_TARGET_AP143) += ap143.dtb
+dtb-$(CONFIG_TARGET_BOSTON) += img,boston.dtb
dtb-$(CONFIG_TARGET_MALTA) += mti,malta.dtb
dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb
+dtb-$(CONFIG_TARGET_XILFPGA) += nexys4ddr.dtb
dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb
targets += $(dtb-y)
--- /dev/null
+/dts-v1/;
+
+#include <dt-bindings/clock/boston-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "img,boston";
+
+ chosen {
+ stdout-path = &uart0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "img,mips";
+ reg = <0>;
+ clocks = <&clk_boston BOSTON_CLK_CPU>;
+ };
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x10000000>;
+ };
+
+ gic: interrupt-controller {
+ compatible = "mti,gic";
+
+ interrupt-controller;
+ #interrupt-cells = <3>;
+
+ timer {
+ compatible = "mti,gic-timer";
+ interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+ clocks = <&clk_boston BOSTON_CLK_CPU>;
+ };
+ };
+
+ pci0: pci@10000000 {
+ status = "disabled";
+ compatible = "xlnx,axi-pcie-host-1.00.a";
+ device_type = "pci";
+ reg = <0x10000000 0x2000000>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 2 IRQ_TYPE_LEVEL_HIGH>;
+
+ ranges = <0x02000000 0 0x40000000
+ 0x40000000 0 0x40000000>;
+
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pci0_intc 0>,
+ <0 0 0 2 &pci0_intc 1>,
+ <0 0 0 3 &pci0_intc 2>,
+ <0 0 0 4 &pci0_intc 3>;
+
+ pci0_intc: interrupt-controller {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ pci1: pci@12000000 {
+ status = "disabled";
+ compatible = "xlnx,axi-pcie-host-1.00.a";
+ device_type = "pci";
+ reg = <0x12000000 0x2000000>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 1 IRQ_TYPE_LEVEL_HIGH>;
+
+ ranges = <0x02000000 0 0x20000000
+ 0x20000000 0 0x20000000>;
+
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pci1_intc 0>,
+ <0 0 0 2 &pci1_intc 1>,
+ <0 0 0 3 &pci1_intc 2>,
+ <0 0 0 4 &pci1_intc 3>;
+
+ pci1_intc: interrupt-controller {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+ };
+
+ pci2: pci@14000000 {
+ compatible = "xlnx,axi-pcie-host-1.00.a";
+ device_type = "pci";
+ reg = <0x14000000 0x2000000>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>;
+
+ ranges = <0x02000000 0 0x16000000
+ 0x16000000 0 0x100000>;
+
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pci2_intc 0>,
+ <0 0 0 2 &pci2_intc 1>,
+ <0 0 0 3 &pci2_intc 2>,
+ <0 0 0 4 &pci2_intc 3>;
+
+ pci2_intc: interrupt-controller {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ };
+
+ pci2_root@0,0,0 {
+ compatible = "pci10ee,7021";
+ reg = <0x00000000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ eg20t_bridge@1,0,0 {
+ compatible = "pci8086,8800";
+ reg = <0x00010000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ eg20t_mac@2,0,1 {
+ compatible = "pci8086,8802";
+ reg = <0x00020100 0 0 0 0>;
+ phy-reset-gpios = <&eg20t_gpio 6 GPIO_ACTIVE_LOW>;
+ };
+
+ eg20t_gpio: eg20t_gpio@2,0,2 {
+ compatible = "pci8086,8803";
+ reg = <0x00020200 0 0 0 0>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ eg20t_i2c@2,12,2 {
+ compatible = "pci8086,8817";
+ reg = <0x00026200 0 0 0 0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@0x68 {
+ compatible = "st,m41t81s";
+ reg = <0x68>;
+ };
+ };
+ };
+ };
+ };
+
+ plat_regs: system-controller@17ffd000 {
+ compatible = "img,boston-platform-regs", "syscon";
+ reg = <0x17ffd000 0x1000>;
+ u-boot,dm-pre-reloc;
+ };
+
+ clk_boston: clock {
+ compatible = "img,boston-clock";
+ #clock-cells = <1>;
+ regmap = <&plat_regs>;
+ u-boot,dm-pre-reloc;
+ };
+
+ reboot: syscon-reboot {
+ compatible = "syscon-reboot";
+ regmap = <&plat_regs>;
+ offset = <0x10>;
+ mask = <0x10>;
+ };
+
+ uart0: uart@17ffe000 {
+ compatible = "ns16550a";
+ reg = <0x17ffe000 0x1000>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
+
+ clocks = <&clk_boston BOSTON_CLK_SYS>;
+
+ u-boot,dm-pre-reloc;
+ };
+
+ lcd: lcd@17fff000 {
+ compatible = "img,boston-lcd";
+ reg = <0x17fff000 0x8>;
+ };
+
+ flash@18000000 {
+ compatible = "cfi-flash";
+ reg = <0x18000000 0x8000000>;
+ bank-width = <2>;
+ };
+};
--- /dev/null
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "img,xilfpga";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "mips,m14Kc";
+ clocks = <&ext>;
+ reg = <0>;
+ };
+ };
+
+ ext: ext {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+};
--- /dev/null
+/dts-v1/;
+
+#include "microAptiv.dtsi"
+
+/ {
+ compatible = "digilent,nexys4ddr";
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x08000000>;
+ };
+
+ cpuintc: interrupt-controller@0 {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ aliases {
+ console = &axi_uart16550;
+ };
+
+ axi_ethernetlite: ethernet@10e00000 {
+ compatible = "xlnx,xps-ethernetlite-1.00.a";
+ device_type = "network";
+ local-mac-address = [08 86 4C 0D F7 09];
+ phy-handle = <&phy0>;
+ reg = <0x10e00000 0x10000>;
+ xlnx,duplex = <0x1>;
+ xlnx,include-global-buffers = <0x1>;
+ xlnx,include-internal-loopback = <0x0>;
+ xlnx,include-mdio = <0x1>;
+ xlnx,instance = "axi_ethernetlite_inst";
+ xlnx,rx-ping-pong = <0x1>;
+ xlnx,s-axi-id-width = <0x1>;
+ xlnx,tx-ping-pong = <0x1>;
+ xlnx,use-internal = <0x0>;
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy0: phy@1 {
+ compatible = <0x0007c0f0 0xfffffff0>;
+ device_type = "ethernet-phy";
+ reg = <1>;
+ } ;
+ } ;
+ } ;
+
+
+ axi_uart16550: serial@10400000 {
+ compatible = "ns16550a";
+ reg = <0x10400000 0x10000>;
+
+ reg-shift = <2>;
+ reg-offset = <0x1000>;
+
+ clock-frequency = <50000000>;
+
+ };
+};
+
*/
#define CONFIG_SYS_CACHELINE_SIZE ARCH_DMA_MINALIGN
+/**
+ * mips_cache_probe() - Probe the properties of the caches
+ *
+ * Call this to probe the properties such as line sizes of the caches
+ * present in the system, if any. This must be done before cache maintenance
+ * functions such as flush_cache may be called.
+ */
+void mips_cache_probe(void);
+
#endif /* __MIPS_CACHE_H__ */
--- /dev/null
+/*
+ * MIPS Coherence Manager (CM) Register Definitions
+ *
+ * Copyright (c) 2016 Imagination Technologies Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __MIPS_ASM_CM_H__
+#define __MIPS_ASM_CM_H__
+
+/* Global Control Register (GCR) offsets */
+#define GCR_BASE 0x0008
+#define GCR_BASE_UPPER 0x000c
+#define GCR_REV 0x0030
+#define GCR_L2_CONFIG 0x0130
+#define GCR_L2_TAG_ADDR 0x0600
+#define GCR_L2_TAG_ADDR_UPPER 0x0604
+#define GCR_L2_TAG_STATE 0x0608
+#define GCR_L2_TAG_STATE_UPPER 0x060c
+#define GCR_L2_DATA 0x0610
+#define GCR_L2_DATA_UPPER 0x0614
+#define GCR_Cx_COHERENCE 0x2008
+
+/* GCR_REV CM versions */
+#define GCR_REV_CM3 0x0800
+
+/* GCR_L2_CONFIG fields */
+#define GCR_L2_CONFIG_ASSOC_SHIFT 0
+#define GCR_L2_CONFIG_ASSOC_BITS 8
+#define GCR_L2_CONFIG_LINESZ_SHIFT 8
+#define GCR_L2_CONFIG_LINESZ_BITS 4
+#define GCR_L2_CONFIG_SETSZ_SHIFT 12
+#define GCR_L2_CONFIG_SETSZ_BITS 4
+#define GCR_L2_CONFIG_BYPASS (1 << 20)
+
+/* GCR_Cx_COHERENCE */
+#define GCR_Cx_COHERENCE_DOM_EN (0xff << 0)
+#define GCR_Cx_COHERENCE_EN (0x1 << 0)
+
+#ifndef __ASSEMBLY__
+
+#include <asm/io.h>
+
+static inline void *mips_cm_base(void)
+{
+ return (void *)CKSEG1ADDR(CONFIG_MIPS_CM_BASE);
+}
+
+static inline unsigned long mips_cm_l2_line_size(void)
+{
+ unsigned long l2conf, line_sz;
+
+ l2conf = __raw_readl(mips_cm_base() + GCR_L2_CONFIG);
+
+ line_sz = l2conf >> GCR_L2_CONFIG_LINESZ_SHIFT;
+ line_sz &= GENMASK(GCR_L2_CONFIG_LINESZ_BITS - 1, 0);
+ return line_sz ? (2 << line_sz) : 0;
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __MIPS_ASM_CM_H__ */
unsigned long rev;
unsigned long ver;
#endif
+#ifdef CONFIG_SYS_CACHE_SIZE_AUTO
+ unsigned short l1i_line_size;
+ unsigned short l1d_line_size;
+#endif
+#ifdef CONFIG_MIPS_L2_CACHE
+ unsigned short l2_line_size;
+#endif
};
#include <asm-generic/global_data.h>
#define CP0_ENTRYLO0 $2
#define CP0_ENTRYLO1 $3
#define CP0_CONF $3
+#define CP0_GLOBALNUMBER $3, 1
#define CP0_CONTEXT $4
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CAUSEB_BD 31
#define CAUSEF_BD (_ULCAST_(1) << 31)
+/*
+ * Bits in the coprocessor 0 EBase register.
+ */
+#define EBASE_CPUNUM 0x3ff
+
/*
* Bits in the coprocessor 0 config register.
*/
#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
#define MIPS_CONF_AR (_ULCAST_(7) << 10)
#define MIPS_CONF_AT (_ULCAST_(3) << 13)
+#define MIPS_CONF_IMPL (_ULCAST_(0x1ff) << 16)
#define MIPS_CONF_M (_ULCAST_(1) << 31)
/*
#define MIPS_CONF1_TLBS_SIZE (6)
#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
+#define MIPS_CONF2_SA_SHF 0
#define MIPS_CONF2_SA (_ULCAST_(15) << 0)
+#define MIPS_CONF2_SL_SHF 4
#define MIPS_CONF2_SL (_ULCAST_(15) << 4)
+#define MIPS_CONF2_SS_SHF 8
#define MIPS_CONF2_SS (_ULCAST_(15) << 8)
+#define MIPS_CONF2_L2B (_ULCAST_(1) << 12)
#define MIPS_CONF2_SU (_ULCAST_(15) << 12)
#define MIPS_CONF2_TA (_ULCAST_(15) << 16)
#define MIPS_CONF2_TL (_ULCAST_(15) << 20)
#define MIPS_CONF5_MRP (_ULCAST_(1) << 3)
#define MIPS_CONF5_LLB (_ULCAST_(1) << 4)
#define MIPS_CONF5_MVH (_ULCAST_(1) << 5)
+#define MIPS_CONF5_VP (_ULCAST_(1) << 7)
#define MIPS_CONF5_FRE (_ULCAST_(1) << 8)
#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
+#define MIPS_CONF5_L2C (_ULCAST_(1) << 10)
#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27)
#define MIPS_CONF5_EVA (_ULCAST_(1) << 28)
#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
#include <common.h>
#include <asm/cacheops.h>
+#include <asm/cm.h>
#include <asm/mipsregs.h>
-static inline unsigned long icache_line_size(void)
+DECLARE_GLOBAL_DATA_PTR;
+
+static void probe_l2(void)
{
- unsigned long conf1, il;
+#ifdef CONFIG_MIPS_L2_CACHE
+ unsigned long conf2, sl;
+ bool l2c = false;
+
+ if (!(read_c0_config1() & MIPS_CONF_M))
+ return;
- if (!config_enabled(CONFIG_SYS_CACHE_SIZE_AUTO))
- return CONFIG_SYS_ICACHE_LINE_SIZE;
+ conf2 = read_c0_config2();
+
+ if (__mips_isa_rev >= 6) {
+ l2c = conf2 & MIPS_CONF_M;
+ if (l2c)
+ l2c = read_c0_config3() & MIPS_CONF_M;
+ if (l2c)
+ l2c = read_c0_config4() & MIPS_CONF_M;
+ if (l2c)
+ l2c = read_c0_config5() & MIPS_CONF5_L2C;
+ }
+
+ if (l2c && config_enabled(CONFIG_MIPS_CM)) {
+ gd->arch.l2_line_size = mips_cm_l2_line_size();
+ } else if (l2c) {
+ /* We don't know how to retrieve L2 config on this system */
+ BUG();
+ } else {
+ sl = (conf2 & MIPS_CONF2_SL) >> MIPS_CONF2_SL_SHF;
+ gd->arch.l2_line_size = sl ? (2 << sl) : 0;
+ }
+#endif
+}
+
+void mips_cache_probe(void)
+{
+#ifdef CONFIG_SYS_CACHE_SIZE_AUTO
+ unsigned long conf1, il, dl;
conf1 = read_c0_config1();
+
il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHF;
- if (!il)
- return 0;
- return 2 << il;
+ dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHF;
+
+ gd->arch.l1i_line_size = il ? (2 << il) : 0;
+ gd->arch.l1d_line_size = dl ? (2 << dl) : 0;
+#endif
+ probe_l2();
}
-static inline unsigned long dcache_line_size(void)
+static inline unsigned long icache_line_size(void)
{
- unsigned long conf1, dl;
+#ifdef CONFIG_SYS_CACHE_SIZE_AUTO
+ return gd->arch.l1i_line_size;
+#else
+ return CONFIG_SYS_ICACHE_LINE_SIZE;
+#endif
+}
- if (!config_enabled(CONFIG_SYS_CACHE_SIZE_AUTO))
- return CONFIG_SYS_DCACHE_LINE_SIZE;
+static inline unsigned long dcache_line_size(void)
+{
+#ifdef CONFIG_SYS_CACHE_SIZE_AUTO
+ return gd->arch.l1d_line_size;
+#else
+ return CONFIG_SYS_DCACHE_LINE_SIZE;
+#endif
+}
- conf1 = read_c0_config1();
- dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHF;
- if (!dl)
- return 0;
- return 2 << dl;
+static inline unsigned long scache_line_size(void)
+{
+#ifdef CONFIG_MIPS_L2_CACHE
+ return gd->arch.l2_line_size;
+#else
+ return 0;
+#endif
}
#define cache_loop(start, end, lsize, ops...) do { \
{
unsigned long ilsize = icache_line_size();
unsigned long dlsize = dcache_line_size();
+ unsigned long slsize = scache_line_size();
/* aend will be miscalculated when size is zero, so we return here */
if (size == 0)
return;
- if (ilsize == dlsize) {
+ if ((ilsize == dlsize) && !slsize) {
/* flush I-cache & D-cache simultaneously */
cache_loop(start_addr, start_addr + size, ilsize,
HIT_WRITEBACK_INV_D, HIT_INVALIDATE_I);
/* flush D-cache */
cache_loop(start_addr, start_addr + size, dlsize, HIT_WRITEBACK_INV_D);
+ /* flush L2 cache */
+ if (slsize)
+ cache_loop(start_addr, start_addr + size, slsize,
+ HIT_WRITEBACK_INV_SD);
+
/* flush I-cache */
cache_loop(start_addr, start_addr + size, ilsize, HIT_INVALIDATE_I);
}
void flush_dcache_range(ulong start_addr, ulong stop)
{
unsigned long lsize = dcache_line_size();
+ unsigned long slsize = scache_line_size();
/* aend will be miscalculated when size is zero, so we return here */
if (start_addr == stop)
return;
cache_loop(start_addr, stop, lsize, HIT_WRITEBACK_INV_D);
+
+ /* flush L2 cache */
+ if (slsize)
+ cache_loop(start_addr, stop, slsize, HIT_WRITEBACK_INV_SD);
}
void invalidate_dcache_range(ulong start_addr, ulong stop)
{
unsigned long lsize = dcache_line_size();
+ unsigned long slsize = scache_line_size();
/* aend will be miscalculated when size is zero, so we return here */
if (start_addr == stop)
return;
+ /* invalidate L2 cache */
+ if (slsize)
+ cache_loop(start_addr, stop, slsize, HIT_INVALIDATE_SD);
+
cache_loop(start_addr, stop, lsize, HIT_INVALIDATE_D);
}
#include <asm/mipsregs.h>
#include <asm/addrspace.h>
#include <asm/cacheops.h>
+#include <asm/cm.h>
#ifndef CONFIG_SYS_MIPS_CACHE_MODE
#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
* with good parity is available. This routine will initialise an area of
* memory starting at location zero to be used as a source of parity.
*
+ * Note that this function does not follow the standard calling convention &
+ * may clobber typically callee-saved registers.
+ *
* RETURNS: N/A
*
*/
+#define R_RETURN s0
+#define R_IC_SIZE s1
+#define R_IC_LINE s2
+#define R_DC_SIZE s3
+#define R_DC_LINE s4
+#define R_L2_SIZE s5
+#define R_L2_LINE s6
+#define R_L2_BYPASSED s7
+#define R_L2_L2C t8
LEAF(mips_cache_reset)
+ move R_RETURN, ra
+
+#ifdef CONFIG_MIPS_L2_CACHE
+ /*
+ * For there to be an L2 present, Config2 must be present. If it isn't
+ * then we proceed knowing there's no L2 cache.
+ */
+ move R_L2_SIZE, zero
+ move R_L2_LINE, zero
+ move R_L2_BYPASSED, zero
+ move R_L2_L2C, zero
+ mfc0 t0, CP0_CONFIG, 1
+ bgez t0, l2_probe_done
+
+ /*
+ * From MIPSr6 onwards the L2 cache configuration might not be reported
+ * by Config2. The Config5.L2C bit indicates whether this is the case,
+ * and if it is then we need knowledge of where else to look. For cores
+ * from Imagination Technologies this is a CM GCR.
+ */
+# if __mips_isa_rev >= 6
+ /* Check that Config5 exists */
+ mfc0 t0, CP0_CONFIG, 2
+ bgez t0, l2_probe_cop0
+ mfc0 t0, CP0_CONFIG, 3
+ bgez t0, l2_probe_cop0
+ mfc0 t0, CP0_CONFIG, 4
+ bgez t0, l2_probe_cop0
+
+ /* Check Config5.L2C is set */
+ mfc0 t0, CP0_CONFIG, 5
+ and R_L2_L2C, t0, MIPS_CONF5_L2C
+ beqz R_L2_L2C, l2_probe_cop0
+
+ /* Config5.L2C is set */
+# ifdef CONFIG_MIPS_CM
+ /* The CM will provide L2 configuration */
+ PTR_LI t0, CKSEG1ADDR(CONFIG_MIPS_CM_BASE)
+ lw t1, GCR_L2_CONFIG(t0)
+ bgez t1, l2_probe_done
+
+ ext R_L2_LINE, t1, \
+ GCR_L2_CONFIG_LINESZ_SHIFT, GCR_L2_CONFIG_LINESZ_BITS
+ beqz R_L2_LINE, l2_probe_done
+ li t2, 2
+ sllv R_L2_LINE, t2, R_L2_LINE
+
+ ext t2, t1, GCR_L2_CONFIG_ASSOC_SHIFT, GCR_L2_CONFIG_ASSOC_BITS
+ addiu t2, t2, 1
+ mul R_L2_SIZE, R_L2_LINE, t2
+
+ ext t2, t1, GCR_L2_CONFIG_SETSZ_SHIFT, GCR_L2_CONFIG_SETSZ_BITS
+ sllv R_L2_SIZE, R_L2_SIZE, t2
+ li t2, 64
+ mul R_L2_SIZE, R_L2_SIZE, t2
+
+ /* Bypass the L2 cache so that we can init the L1s early */
+ or t1, t1, GCR_L2_CONFIG_BYPASS
+ sw t1, GCR_L2_CONFIG(t0)
+ sync
+ li R_L2_BYPASSED, 1
+
+ /* Zero the L2 tag registers */
+ sw zero, GCR_L2_TAG_ADDR(t0)
+ sw zero, GCR_L2_TAG_ADDR_UPPER(t0)
+ sw zero, GCR_L2_TAG_STATE(t0)
+ sw zero, GCR_L2_TAG_STATE_UPPER(t0)
+ sw zero, GCR_L2_DATA(t0)
+ sw zero, GCR_L2_DATA_UPPER(t0)
+ sync
+# else
+ /* We don't know how to retrieve L2 configuration on this system */
+# endif
+ b l2_probe_done
+# endif
+
+ /*
+ * For pre-r6 systems, or r6 systems with Config5.L2C==0, probe the L2
+ * cache configuration from the cop0 Config2 register.
+ */
+l2_probe_cop0:
+ mfc0 t0, CP0_CONFIG, 2
+
+ srl R_L2_LINE, t0, MIPS_CONF2_SL_SHF
+ andi R_L2_LINE, R_L2_LINE, MIPS_CONF2_SL >> MIPS_CONF2_SL_SHF
+ beqz R_L2_LINE, l2_probe_done
+ li t1, 2
+ sllv R_L2_LINE, t1, R_L2_LINE
+
+ srl t1, t0, MIPS_CONF2_SA_SHF
+ andi t1, t1, MIPS_CONF2_SA >> MIPS_CONF2_SA_SHF
+ addiu t1, t1, 1
+ mul R_L2_SIZE, R_L2_LINE, t1
+
+ srl t1, t0, MIPS_CONF2_SS_SHF
+ andi t1, t1, MIPS_CONF2_SS >> MIPS_CONF2_SS_SHF
+ sllv R_L2_SIZE, R_L2_SIZE, t1
+ li t1, 64
+ mul R_L2_SIZE, R_L2_SIZE, t1
+
+ /* Attempt to bypass the L2 so that we can init the L1s early */
+ or t0, t0, MIPS_CONF2_L2B
+ mtc0 t0, CP0_CONFIG, 2
+ ehb
+ mfc0 t0, CP0_CONFIG, 2
+ and R_L2_BYPASSED, t0, MIPS_CONF2_L2B
+
+ /* Zero the L2 tag registers */
+ mtc0 zero, CP0_TAGLO, 4
+ ehb
+l2_probe_done:
+#endif
+
#ifndef CONFIG_SYS_CACHE_SIZE_AUTO
- li t2, CONFIG_SYS_ICACHE_SIZE
- li t8, CONFIG_SYS_ICACHE_LINE_SIZE
+ li R_IC_SIZE, CONFIG_SYS_ICACHE_SIZE
+ li R_IC_LINE, CONFIG_SYS_ICACHE_LINE_SIZE
#else
- l1_info t2, t8, MIPS_CONF1_IA_SHF
+ l1_info R_IC_SIZE, R_IC_LINE, MIPS_CONF1_IA_SHF
#endif
#ifndef CONFIG_SYS_CACHE_SIZE_AUTO
- li t3, CONFIG_SYS_DCACHE_SIZE
- li t9, CONFIG_SYS_DCACHE_LINE_SIZE
+ li R_DC_SIZE, CONFIG_SYS_DCACHE_SIZE
+ li R_DC_LINE, CONFIG_SYS_DCACHE_LINE_SIZE
#else
- l1_info t3, t9, MIPS_CONF1_DA_SHF
+ l1_info R_DC_SIZE, R_DC_LINE, MIPS_CONF1_DA_SHF
#endif
#ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
li v0, CONFIG_SYS_DCACHE_SIZE
#endif
#else
- move v0, t2
- sltu t1, t2, t3
- movn v0, t3, t1
+ move v0, R_IC_SIZE
+ sltu t1, R_IC_SIZE, R_DC_SIZE
+ movn v0, R_DC_SIZE, t1
#endif
/*
* Now clear that much memory starting from zero.
#endif /* CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD */
+#ifdef CONFIG_MIPS_L2_CACHE
+ /*
+ * If the L2 is bypassed, init the L1 first so that we can execute the
+ * rest of the cache initialisation using the L1 instruction cache.
+ */
+ bnez R_L2_BYPASSED, l1_init
+
+l2_init:
+ PTR_LI t0, INDEX_BASE
+ PTR_ADDU t1, t0, R_L2_SIZE
+1: cache INDEX_STORE_TAG_SD, 0(t0)
+ PTR_ADDU t0, t0, R_L2_LINE
+ bne t0, t1, 1b
+
+ /*
+ * If the L2 was bypassed then we already initialised the L1s before
+ * the L2, so we are now done.
+ */
+ bnez R_L2_BYPASSED, l2_unbypass
+#endif
+
/*
* The TagLo registers used depend upon the CPU implementation, but the
* architecture requires that it is safe for software to write to both
* TagLo selects 0 & 2 covering supported cases.
*/
+l1_init:
mtc0 zero, CP0_TAGLO
mtc0 zero, CP0_TAGLO, 2
+ ehb
/*
* The caches are probably in an indeterminate state, so we force good
/*
* Initialize the I-cache first,
*/
- blez t2, 1f
+ blez R_IC_SIZE, 1f
PTR_LI t0, INDEX_BASE
- PTR_ADDU t1, t0, t2
+ PTR_ADDU t1, t0, R_IC_SIZE
/* clear tag to invalidate */
- cache_loop t0, t1, t8, INDEX_STORE_TAG_I
+ cache_loop t0, t1, R_IC_LINE, INDEX_STORE_TAG_I
#ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
/* fill once, so data field parity is correct */
PTR_LI t0, INDEX_BASE
- cache_loop t0, t1, t8, FILL
+ cache_loop t0, t1, R_IC_LINE, FILL
/* invalidate again - prudent but not strictly neccessary */
PTR_LI t0, INDEX_BASE
- cache_loop t0, t1, t8, INDEX_STORE_TAG_I
+ cache_loop t0, t1, R_IC_LINE, INDEX_STORE_TAG_I
+#endif
+
+ /* Enable use of the I-cache by setting Config.K0 */
+ sync
+ mfc0 t0, CP0_CONFIG
+ li t1, CONFIG_SYS_MIPS_CACHE_MODE
+#if __mips_isa_rev >= 2
+ ins t0, t1, 0, 3
+#else
+ ori t0, t0, CONF_CM_CMASK
+ xori t0, t0, CONF_CM_CMASK
+ or t0, t0, t1
#endif
+ mtc0 t0, CP0_CONFIG
/*
* then initialize D-cache.
*/
-1: blez t3, 3f
+1: blez R_DC_SIZE, 3f
PTR_LI t0, INDEX_BASE
- PTR_ADDU t1, t0, t3
+ PTR_ADDU t1, t0, R_DC_SIZE
/* clear all tags */
- cache_loop t0, t1, t9, INDEX_STORE_TAG_D
+ cache_loop t0, t1, R_DC_LINE, INDEX_STORE_TAG_D
#ifdef CONFIG_SYS_MIPS_CACHE_INIT_RAM_LOAD
/* load from each line (in cached space) */
PTR_LI t0, INDEX_BASE
2: LONG_L zero, 0(t0)
- PTR_ADDU t0, t9
+ PTR_ADDU t0, R_DC_LINE
bne t0, t1, 2b
/* clear all tags */
PTR_LI t0, INDEX_BASE
- cache_loop t0, t1, t9, INDEX_STORE_TAG_D
+ cache_loop t0, t1, R_DC_LINE, INDEX_STORE_TAG_D
#endif
+3:
+
+#ifdef CONFIG_MIPS_L2_CACHE
+ /* If the L2 isn't bypassed then we're done */
+ beqz R_L2_BYPASSED, return
+
+ /* The L2 is bypassed - go initialise it */
+ b l2_init
-3: jr ra
+l2_unbypass:
+# if __mips_isa_rev >= 6
+ beqz R_L2_L2C, 1f
+
+ li t0, CKSEG1ADDR(CONFIG_MIPS_CM_BASE)
+ lw t1, GCR_L2_CONFIG(t0)
+ xor t1, t1, GCR_L2_CONFIG_BYPASS
+ sw t1, GCR_L2_CONFIG(t0)
+ sync
+ ehb
+ b 2f
+# endif
+1: mfc0 t0, CP0_CONFIG, 2
+ xor t0, t0, MIPS_CONF2_L2B
+ mtc0 t0, CP0_CONFIG, 2
+ ehb
+
+2:
+# ifdef CONFIG_MIPS_CM
+ /* Config3 must exist for a CM to be present */
+ mfc0 t0, CP0_CONFIG, 1
+ bgez t0, 2f
+ mfc0 t0, CP0_CONFIG, 2
+ bgez t0, 2f
+
+ /* Check Config3.CMGCR to determine CM presence */
+ mfc0 t0, CP0_CONFIG, 3
+ and t0, t0, MIPS_CONF3_CMGCR
+ beqz t0, 2f
+
+ /* Change Config.K0 to a coherent CCA */
+ mfc0 t0, CP0_CONFIG
+ li t1, CONF_CM_CACHABLE_COW
+#if __mips_isa_rev >= 2
+ ins t0, t1, 0, 3
+#else
+ ori t0, t0, CONF_CM_CMASK
+ xori t0, t0, CONF_CM_CMASK
+ or t0, t0, t1
+#endif
+ mtc0 t0, CP0_CONFIG
+
+ /*
+ * Join the coherent domain such that the caches of this core are kept
+ * coherent with those of other cores.
+ */
+ PTR_LI t0, CKSEG1ADDR(CONFIG_MIPS_CM_BASE)
+ lw t1, GCR_REV(t0)
+ li t2, GCR_REV_CM3
+ li t3, GCR_Cx_COHERENCE_EN
+ bge t1, t2, 1f
+ li t3, GCR_Cx_COHERENCE_DOM_EN
+1: sw t3, GCR_Cx_COHERENCE(t0)
+ ehb
+2:
+# endif
+#endif
+
+return:
+ /* Ensure all cache operations complete before returning */
+ sync
+ jr ra
END(mips_cache_reset)
/*
{ATH79_SOC_QCA9561, "9561", REV_ID_MAJOR_QCA9561, 0},
};
-int arch_cpu_init(void)
+int mach_cpu_init(void)
{
void __iomem *base;
enum ath79_soc_type soc = ATH79_SOC_UNKNOWN;
--- /dev/null
+if TARGET_BOSTON
+
+config SYS_BOARD
+ default "boston"
+
+config SYS_VENDOR
+ default "imgtec"
+
+config SYS_CONFIG_NAME
+ default "boston"
+
+config SYS_TEXT_BASE
+ default 0x9fc00000 if 32BIT
+ default 0xffffffff9fc00000 if 64BIT
+
+endif
--- /dev/null
+BOSTON BOARD
+M: Paul Burton <paul.burton@imgtec.com>
+S: Maintained
+F: board/imgtec/boston/
+F: include/configs/boston.h
+F: configs/boston_defconfig
--- /dev/null
+#
+# Copyright (C) 2016 Imagination Technologies
+#
+# SPDX-License-Identifier: GPL-2.0
+#
+
+obj-y += checkboard.o
+obj-y += ddr.o
+obj-y += lowlevel_init.o
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __BOARD_BOSTON_LCD_H__
+#define __BOARD_BOSTON_LCD_H__
+
+/**
+ * lowlevel_display() - Display a message on Boston's LCD
+ * @msg: The string to display
+ *
+ * Display the string @msg on the 7 character LCD display of the Boston board.
+ * This is typically used for debug or to present some form of status
+ * indication to the user, allowing faults to be identified when things go
+ * wrong early enough that the UART isn't up.
+ */
+void lowlevel_display(const char msg[static 8]);
+
+#endif /* __BOARD_BOSTON_LCD_H__ */
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __BOARD_BOSTON_REGS_H__
+#define __BOARD_BOSTON_REGS_H__
+
+#include <asm/addrspace.h>
+
+#define BOSTON_PLAT_BASE CKSEG1ADDR(0x17ffd000)
+#define BOSTON_LCD_BASE CKSEG1ADDR(0x17fff000)
+
+/*
+ * Platform Register Definitions
+ */
+#define BOSTON_PLAT_CORE_CL (BOSTON_PLAT_BASE + 0x04)
+
+#define BOSTON_PLAT_DDR3STAT (BOSTON_PLAT_BASE + 0x14)
+# define BOSTON_PLAT_DDR3STAT_CALIB (1 << 2)
+
+#define BOSTON_PLAT_DDRCONF0 (BOSTON_PLAT_BASE + 0x38)
+# define BOSTON_PLAT_DDRCONF0_SIZE (0xf << 0)
+
+#endif /* __BOARD_BOSTON_REGS_H__ */
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+
+#include <asm/io.h>
+#include <asm/mipsregs.h>
+
+#include "boston-lcd.h"
+#include "boston-regs.h"
+
+int checkboard(void)
+{
+ u32 changelist;
+
+ lowlevel_display("U-boot ");
+
+ printf("Board: MIPS Boston\n");
+
+ printf("CPU: 0x%08x", read_c0_prid());
+ changelist = __raw_readl((uint32_t *)BOSTON_PLAT_CORE_CL);
+ if (changelist > 1)
+ printf(" cl%x", changelist);
+ putc('\n');
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+
+#include <asm/io.h>
+
+#include "boston-regs.h"
+
+phys_size_t initdram(int board_type)
+{
+ u32 ddrconf0 = __raw_readl((uint32_t *)BOSTON_PLAT_DDRCONF0);
+
+ return (phys_size_t)(ddrconf0 & BOSTON_PLAT_DDRCONF0_SIZE) << 30;
+}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->ram_top < CONFIG_SYS_SDRAM_BASE) {
+ /* 2GB wrapped around to 0 */
+ return CKSEG0ADDR(256 << 20);
+ }
+
+ return min_t(unsigned long, gd->ram_top, CKSEG0ADDR(256 << 20));
+}
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <config.h>
+
+#include <asm/addrspace.h>
+#include <asm/asm.h>
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+
+#include "boston-regs.h"
+
+.data
+
+msg_ddr_cal: .ascii "DDR Cal "
+msg_ddr_ok: .ascii "DDR OK "
+
+.text
+
+LEAF(lowlevel_init)
+ move s0, ra
+
+ PTR_LA a0, msg_ddr_cal
+ bal lowlevel_display
+
+ PTR_LI t0, BOSTON_PLAT_DDR3STAT
+1: lw t1, 0(t0)
+ andi t1, t1, BOSTON_PLAT_DDR3STAT_CALIB
+ beqz t1, 1b
+
+ PTR_LA a0, msg_ddr_ok
+ bal lowlevel_display
+
+ move v0, zero
+ jr s0
+ END(lowlevel_init)
+
+LEAF(lowlevel_display)
+ .set push
+ .set noat
+ PTR_LI AT, BOSTON_LCD_BASE
+#ifdef CONFIG_64BIT
+ ld k1, 0(a0)
+ sd k1, 0(AT)
+#else
+ lw k1, 0(a0)
+ sw k1, 0(AT)
+ lw k1, 4(a0)
+ sw k1, 4(AT)
+#endif
+ .set pop
+1: jr ra
+ END(lowlevel_display)
.globl lowlevel_init
lowlevel_init:
- /* disable any L2 cache for now */
- sync
- mfc0 t0, CP0_CONFIG, 2
- ori t0, t0, 0x1 << 12
- mtc0 t0, CP0_CONFIG, 2
-
/* detect the core card */
PTR_LI t0, CKSEG1ADDR(MALTA_REVISION)
lw t0, 0(t0)
--- /dev/null
+if TARGET_XILFPGA
+
+config SYS_BOARD
+ default "xilfpga"
+
+config SYS_VENDOR
+ default "imgtec"
+
+config SYS_CONFIG_NAME
+ default "imgtec_xilfpga"
+
+config SYS_TEXT_BASE
+ default 0x80C00000
+
+endif
--- /dev/null
+XILFPGA BOARD
+M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+S: Maintained
+F: board/imgtec/xilfpga
+F: include/configs/xilfpga.h
+F: configs/imgtec_xilfpga_defconfig
--- /dev/null
+#
+# Copyright (C) 2016, Imagination Technologies Ltd.
+# Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+obj-y := xilfpga.o
--- /dev/null
+/*
+ * Copyright (C) 2016, Imagination Technologies Ltd.
+ *
+ * Zubair Lutfullah Kakakhel, Zubair.Kakakhel@imgtec.com
+ */
+
+MIPSfpga
+=======================================
+
+MIPSfpga is an FPGA based development platform by Imagination Technologies
+As we are dealing with a MIPS core instantiated on an FPGA, specifications
+are fluid and can be varied in RTL.
+
+The example project provided by IMGTEC runs on the Nexys4DDR board by
+Digilent powered by the ARTIX-7 FPGA by Xilinx. Relevant details about
+the example project and the Nexys4DDR board:
+
+- microAptiv UP core m14Kc
+- 50MHz clock speed
+- 128Mbyte DDR RAM at 0x0000_0000
+- 8Kbyte RAM at 0x1000_0000
+- axi_intc at 0x1020_0000
+- axi_uart16550 at 0x1040_0000
+- axi_gpio at 0x1060_0000
+- axi_i2c at 0x10A0_0000
+- custom_gpio at 0x10C0_0000
+- axi_ethernetlite at 0x10E0_0000
+- 8Kbyte BootRAM at 0x1FC0_0000
+- 16Mbyte QPI at 0x1D00_0000
+
+Boot protocol:
+--------------
+
+The BootRAM is a writeable "RAM" in FPGA at 0x1FC0_0000.
+This is for easy reprogrammibility via JTAG.
+
+DDR initialization is already handled by a HW IP block.
+
+When the example project bitstream is loaded, the cpu_reset button
+needs to be pressed.
+
+The bootram initializes the cache and axi_uart
+Then checks if there is anything non 0xffff_ffff at location 0x1D40_0000
+
+If there is, then that is considered as u-boot. u-boot is copied from
+0x1D40_0000 to memory and the bootram jumps into u-boot code.
+
+At this point, the board is ready to load the Linux kernel + buildroot initramfs
+
+This can be done in multiple ways:
+
+1- JTAG load the binary and jump into it.
+2- Load kernel stored in the QSPI flash at 0x1D80_0000
+3- Load uImage via tftp. Ethernet works in u-boot.
+ e.g. env set server ip 192.168.154.45; dhcp uImage; bootm
--- /dev/null
+/*
+ * Imagination Technologies MIPSfpga platform code
+ *
+ * Copyright (C) 2016, Imagination Technologies Ltd.
+ *
+ * Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+
+#include <common.h>
+
+/* initialize the DDR Controller and PHY */
+phys_size_t initdram(int board_type)
+{
+ /* MIG IP block is smart and doesn't need SW
+ * to do any init */
+ return CONFIG_SYS_SDRAM_SIZE; /* in bytes */
+}
return 0;
}
+__weak int mach_cpu_init(void)
+{
+ return 0;
+}
+
#ifdef CONFIG_SANDBOX
static int setup_ram_buf(void)
{
x86_fsp_init,
#endif
arch_cpu_init, /* basic arch cpu dependent setup */
+ mach_cpu_init, /* SoC/machine dependent CPU setup */
initf_dm,
arch_cpu_init_dm,
mark_bootstage, /* need timer, go after init dm */
--- /dev/null
+CONFIG_MIPS=y
+CONFIG_TARGET_BOSTON=y
+CONFIG_SYS_TEXT_BASE=0x9fc00000
+# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="img,boston"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="boston # "
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_MTD=y
+CONFIG_CFI_FLASH=y
+CONFIG_DM_ETH=y
+CONFIG_PCH_GBE=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_XILINX=y
+CONFIG_SYS_NS16550=y
+CONFIG_LZ4=y
--- /dev/null
+CONFIG_MIPS=y
+CONFIG_TARGET_BOSTON=y
+CONFIG_SYS_TEXT_BASE=0x9fc00000
+CONFIG_SYS_LITTLE_ENDIAN=y
+# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="img,boston"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="boston # "
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_MTD=y
+CONFIG_CFI_FLASH=y
+CONFIG_DM_ETH=y
+CONFIG_PCH_GBE=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_XILINX=y
+CONFIG_SYS_NS16550=y
+CONFIG_LZ4=y
--- /dev/null
+CONFIG_MIPS=y
+CONFIG_TARGET_BOSTON=y
+CONFIG_CPU_MIPS64_R2=y
+# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="img,boston"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="boston # "
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_MTD=y
+CONFIG_CFI_FLASH=y
+CONFIG_DM_ETH=y
+CONFIG_PCH_GBE=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_XILINX=y
+CONFIG_SYS_NS16550=y
+CONFIG_LZ4=y
--- /dev/null
+CONFIG_MIPS=y
+CONFIG_TARGET_BOSTON=y
+CONFIG_SYS_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS64_R2=y
+# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="img,boston"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_BEST_MATCH=y
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="boston # "
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_GREPENV=y
+CONFIG_CMD_MEMTEST=y
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_CLK=y
+CONFIG_MTD=y
+CONFIG_CFI_FLASH=y
+CONFIG_DM_ETH=y
+CONFIG_PCH_GBE=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_XILINX=y
+CONFIG_SYS_NS16550=y
+CONFIG_LZ4=y
--- /dev/null
+CONFIG_MIPS=y
+CONFIG_SYS_MALLOC_F_LEN=0x600
+CONFIG_TARGET_XILFPGA=y
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="nexys4ddr"
+CONFIG_BOOTDELAY=5
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="MIPSfpga # "
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_SAVEENV is not set
+CONFIG_CMD_MEMINFO=y
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_TIME=y
+CONFIG_OF_EMBED=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_NETCONSOLE=y
+CONFIG_CLK=y
+CONFIG_XILINX_EMACLITE=y
+CONFIG_SYS_NS16550=y
+CONFIG_CMD_DHRYSTONE=y
--- /dev/null
+MIPS Boston Development Board
+
+---------
+ About
+---------
+
+The MIPS Boston development board is built around an FPGA & 3 PCIe controllers,
+one of which is connected to an Intel EG20T Platform Controller Hub which
+provides most connectivity to the board. It is used during the development &
+testing of both new CPUs and the software support for them. It is essentially
+the successor of the older MIPS Malta board.
+
+--------
+ QEMU
+--------
+
+U-Boot can be run on a currently out-of-tree branch of QEMU with support for
+the Boston board added. This QEMU code can currently be found in the "boston"
+branch of git://git.linux-mips.org/pub/scm/paul/qemu.git and used like so:
+
+ $ git clone git://git.linux-mips.org/pub/scm/paul/qemu.git -b boston
+ $ cd qemu
+ $ ./configure --target-list=mips64el-softmmu
+ $ make
+ $ ./mips64el-softmmu/qemu-system-mips64el -M boston -m 2G \
+ -bios u-boot.bin -serial stdio
+
+Please note that QEMU will default to emulating the I6400 CPU which implements
+the MIPS64r6 ISA, and at the time of writing doesn't implement any earlier CPUs
+with support for the CPS features the Boston board relies upon. You will
+therefore need to configure U-Boot to build for MIPSr6 in order to obtain a
+binary that will work in QEMU.
+
+-------------
+ Toolchain
+-------------
+
+If building for MIPSr6 then you will need a toolchain including GCC 5.x or
+newer, or the Codescape toolchain available for download from Imagination
+Technologies:
+
+ http://codescape-mips-sdk.imgtec.com/components/toolchain/2015.06-05/
+
+The "IMG GNU Linux Toolchain" is capable of building for all current MIPS ISAs,
+architecture revisions & both endiannesses.
+
+--------
+ TODO
+--------
+
+ - AHCI support
+ - CPU driver
+ - Exception handling (+UHI?)
+ - Flash support
+ - IOCU support
+ - L2 cache support
+ - More general LCD display driver
+ - Multi-arch-variant multi-endian fat binary
setting up clocks within SPL, and allows the same drivers to be
used as U-Boot proper.
+config CLK_BOSTON
+ def_bool y if TARGET_BOSTON
+ depends on CLK
+ select REGMAP
+ select SYSCON
+ help
+ Enable this to support the clocks
+
source "drivers/clk/tegra/Kconfig"
source "drivers/clk/uniphier/Kconfig"
source "drivers/clk/exynos/Kconfig"
obj-$(CONFIG_CLK_UNIPHIER) += uniphier/
obj-$(CONFIG_CLK_EXYNOS) += exynos/
obj-$(CONFIG_CLK_AT91) += at91/
+obj-$(CONFIG_CLK_BOSTON) += clk_boston.o
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <dt-bindings/clock/boston-clock.h>
+#include <regmap.h>
+#include <syscon.h>
+
+struct clk_boston {
+ struct regmap *regmap;
+};
+
+#define BOSTON_PLAT_MMCMDIV 0x30
+# define BOSTON_PLAT_MMCMDIV_CLK0DIV (0xff << 0)
+# define BOSTON_PLAT_MMCMDIV_INPUT (0xff << 8)
+# define BOSTON_PLAT_MMCMDIV_MUL (0xff << 16)
+# define BOSTON_PLAT_MMCMDIV_CLK1DIV (0xff << 24)
+
+static uint32_t ext_field(uint32_t val, uint32_t mask)
+{
+ return (val & mask) >> (ffs(mask) - 1);
+}
+
+static ulong clk_boston_get_rate(struct clk *clk)
+{
+ struct clk_boston *state = dev_get_platdata(clk->dev);
+ uint32_t in_rate, mul, div;
+ uint mmcmdiv;
+ int err;
+
+ err = regmap_read(state->regmap, BOSTON_PLAT_MMCMDIV, &mmcmdiv);
+ if (err)
+ return 0;
+
+ in_rate = ext_field(mmcmdiv, BOSTON_PLAT_MMCMDIV_INPUT);
+ mul = ext_field(mmcmdiv, BOSTON_PLAT_MMCMDIV_MUL);
+
+ switch (clk->id) {
+ case BOSTON_CLK_SYS:
+ div = ext_field(mmcmdiv, BOSTON_PLAT_MMCMDIV_CLK0DIV);
+ break;
+ case BOSTON_CLK_CPU:
+ div = ext_field(mmcmdiv, BOSTON_PLAT_MMCMDIV_CLK1DIV);
+ break;
+ default:
+ return 0;
+ }
+
+ return (in_rate * mul * 1000000) / div;
+}
+
+const struct clk_ops clk_boston_ops = {
+ .get_rate = clk_boston_get_rate,
+};
+
+static int clk_boston_ofdata_to_platdata(struct udevice *dev)
+{
+ struct clk_boston *state = dev_get_platdata(dev);
+ struct udevice *syscon;
+ int err;
+
+ err = uclass_get_device_by_phandle(UCLASS_SYSCON, dev,
+ "regmap", &syscon);
+ if (err) {
+ error("unable to find syscon device\n");
+ return err;
+ }
+
+ state->regmap = syscon_get_regmap(syscon);
+ if (!state->regmap) {
+ error("unable to find regmap\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static const struct udevice_id clk_boston_match[] = {
+ {
+ .compatible = "img,boston-clock",
+ },
+ { /* sentinel */ }
+};
+
+U_BOOT_DRIVER(clk_boston) = {
+ .name = "boston_clock",
+ .id = UCLASS_CLK,
+ .of_match = clk_boston_match,
+ .ofdata_to_platdata = clk_boston_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct clk_boston),
+ .ops = &clk_boston_ops,
+};
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
/**
- * driver_check_compatible() - Check if a driver is compatible with this node
+ * driver_check_compatible() - Check if a driver matches a compatible string
*
- * @param blob: Device tree pointer
- * @param offset: Offset of node in device tree
* @param of_match: List of compatible strings to match
* @param of_idp: Returns the match that was found
- * @return 0 if there is a match, -ENOENT if no match, -ENODEV if the node
- * does not have a compatible string, other error <0 if there is a device
- * tree error
+ * @param compat: The compatible string to search for
+ * @return 0 if there is a match, -ENOENT if no match
*/
-static int driver_check_compatible(const void *blob, int offset,
- const struct udevice_id *of_match,
- const struct udevice_id **of_idp)
+static int driver_check_compatible(const struct udevice_id *of_match,
+ const struct udevice_id **of_idp,
+ const char *compat)
{
- int ret;
-
- *of_idp = NULL;
if (!of_match)
return -ENOENT;
while (of_match->compatible) {
- ret = fdt_node_check_compatible(blob, offset,
- of_match->compatible);
- if (!ret) {
+ if (!strcmp(of_match->compatible, compat)) {
*of_idp = of_match;
return 0;
- } else if (ret == -FDT_ERR_NOTFOUND) {
- return -ENODEV;
- } else if (ret < 0) {
- return -EINVAL;
}
of_match++;
}
struct driver *entry;
struct udevice *dev;
bool found = false;
- const char *name;
+ const char *name, *compat_list, *compat;
+ int compat_length, i;
int result = 0;
int ret = 0;
- dm_dbg("bind node %s\n", fdt_get_name(blob, offset, NULL));
+ name = fdt_get_name(blob, offset, NULL);
+ dm_dbg("bind node %s\n", name);
if (devp)
*devp = NULL;
- for (entry = driver; entry != driver + n_ents; entry++) {
- ret = driver_check_compatible(blob, offset, entry->of_match,
- &id);
- name = fdt_get_name(blob, offset, NULL);
- if (ret == -ENOENT) {
- continue;
- } else if (ret == -ENODEV) {
+
+ compat_list = fdt_getprop(blob, offset, "compatible", &compat_length);
+ if (!compat_list) {
+ if (compat_length == -FDT_ERR_NOTFOUND) {
dm_dbg("Device '%s' has no compatible string\n", name);
- break;
- } else if (ret) {
- dm_warn("Device tree error at offset %d\n", offset);
- result = ret;
- break;
+ return 0;
}
+ dm_warn("Device tree error at offset %d\n", offset);
+ return compat_length;
+ }
+
+ /*
+ * Walk through the compatible string list, attempting to match each
+ * compatible string in order such that we match in order of priority
+ * from the first string to the last.
+ */
+ for (i = 0; i < compat_length; i += strlen(compat) + 1) {
+ compat = compat_list + i;
+ dm_dbg(" - attempt to match compatible string '%s'\n",
+ compat);
+
+ for (entry = driver; entry != driver + n_ents; entry++) {
+ ret = driver_check_compatible(entry->of_match, &id,
+ compat);
+ if (!ret)
+ break;
+ }
+ if (entry == driver + n_ents)
+ continue;
+
dm_dbg(" - found match at '%s'\n", entry->name);
ret = device_bind_with_driver_data(parent, entry, name,
id->data, offset, &dev);
break;
}
- if (!found && !result && ret != -ENODEV) {
- dm_dbg("No match for node '%s'\n",
- fdt_get_name(blob, offset, NULL));
- }
+ if (!found && !result && ret != -ENODEV)
+ dm_dbg("No match for node '%s'\n", name);
return result;
}
#include <mapmem.h>
#include <regmap.h>
+#include <asm/io.h>
+
DECLARE_GLOBAL_DATA_PTR;
static struct regmap *regmap_alloc_count(int count)
return 0;
}
+
+int regmap_read(struct regmap *map, uint offset, uint *valp)
+{
+ uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE);
+
+ *valp = le32_to_cpu(readl(ptr));
+
+ return 0;
+}
+
+int regmap_write(struct regmap *map, uint offset, uint val)
+{
+ uint32_t *ptr = map_physmem(map->base + offset, 4, MAP_NOCACHE);
+
+ writel(cpu_to_le32(val), ptr);
+
+ return 0;
+}
.per_device_auto_alloc_size = sizeof(struct syscon_uc_info),
.pre_probe = syscon_pre_probe,
};
+
+static const struct udevice_id generic_syscon_ids[] = {
+ { .compatible = "syscon" },
+ { }
+};
+
+U_BOOT_DRIVER(generic_syscon) = {
+ .name = "syscon",
+ .id = UCLASS_SYSCON,
+ .of_match = generic_syscon_ids,
+};
This MAC is present in Xilinx Microblaze, Zynq and ZynqMP SoCs.
config XILINX_EMACLITE
- depends on DM_ETH && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
+ depends on DM_ETH && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || MIPS)
select PHYLIB
select MII
bool "Xilinx Ethernetlite"
memset(rx_desc, 0, sizeof(struct pch_gbe_rx_desc) * PCH_GBE_DESC_NUM);
for (i = 0; i < PCH_GBE_DESC_NUM; i++)
rx_desc->buffer_addr = dm_pci_phys_to_mem(priv->dev,
- (u32)(priv->rx_buff[i]));
+ (ulong)(priv->rx_buff[i]));
- writel(dm_pci_phys_to_mem(priv->dev, (u32)rx_desc),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)rx_desc),
&mac_regs->rx_dsc_base);
writel(sizeof(struct pch_gbe_rx_desc) * (PCH_GBE_DESC_NUM - 1),
&mac_regs->rx_dsc_size);
- writel(dm_pci_phys_to_mem(priv->dev, (u32)(rx_desc + 1)),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)(rx_desc + 1)),
&mac_regs->rx_dsc_sw_p);
}
memset(tx_desc, 0, sizeof(struct pch_gbe_tx_desc) * PCH_GBE_DESC_NUM);
- writel(dm_pci_phys_to_mem(priv->dev, (u32)tx_desc),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)tx_desc),
&mac_regs->tx_dsc_base);
writel(sizeof(struct pch_gbe_tx_desc) * (PCH_GBE_DESC_NUM - 1),
&mac_regs->tx_dsc_size);
- writel(dm_pci_phys_to_mem(priv->dev, (u32)(tx_desc + 1)),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)(tx_desc + 1)),
&mac_regs->tx_dsc_sw_p);
}
if (length < 64)
frame_ctrl |= PCH_GBE_TXD_CTRL_APAD;
- tx_desc->buffer_addr = dm_pci_phys_to_mem(priv->dev, (u32)packet);
+ tx_desc->buffer_addr = dm_pci_phys_to_mem(priv->dev, (ulong)packet);
tx_desc->length = length;
tx_desc->tx_words_eob = length + 3;
tx_desc->tx_frame_ctrl = frame_ctrl;
if (++priv->tx_idx >= PCH_GBE_DESC_NUM)
priv->tx_idx = 0;
- writel(dm_pci_phys_to_mem(priv->dev, (u32)(tx_head + priv->tx_idx)),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)(tx_head + priv->tx_idx)),
&mac_regs->tx_dsc_sw_p);
start = get_timer(0);
struct pch_gbe_priv *priv = dev_get_priv(dev);
struct pch_gbe_regs *mac_regs = priv->mac_regs;
struct pch_gbe_rx_desc *rx_desc;
- u32 hw_desc, buffer_addr, length;
+ ulong hw_desc, buffer_addr, length;
rx_desc = &priv->rx_desc[priv->rx_idx];
hw_desc = readl(&mac_regs->rx_dsc_hw_p_hld);
/* Just return if not receiving any packet */
- if ((u32)rx_desc == hw_desc)
+ if ((ulong)rx_desc == hw_desc)
return -EAGAIN;
buffer_addr = dm_pci_mem_to_phys(priv->dev, rx_desc->buffer_addr);
if (++rx_swp >= PCH_GBE_DESC_NUM)
rx_swp = 0;
- writel(dm_pci_phys_to_mem(priv->dev, (u32)(rx_head + rx_swp)),
+ writel(dm_pci_phys_to_mem(priv->dev, (ulong)(rx_head + rx_swp)),
&mac_regs->rx_dsc_sw_p);
return 0;
{
struct pch_gbe_priv *priv;
struct eth_pdata *plat = dev_get_platdata(dev);
- u32 iobase;
+ void *iobase;
/*
* The priv structure contains the descriptors and frame buffers which
priv->dev = dev;
- dm_pci_read_config32(dev, PCI_BASE_ADDRESS_1, &iobase);
- iobase &= PCI_BASE_ADDRESS_MEM_MASK;
- iobase = dm_pci_mem_to_phys(dev, iobase);
+ iobase = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_1, PCI_REGION_MEM);
- plat->iobase = iobase;
+ plat->iobase = (ulong)iobase;
priv->mac_regs = (struct pch_gbe_regs *)iobase;
/* Read MAC address from SROM and initialize dev->enetaddr with it */
#include <fdtdec.h>
#include <asm-generic/errno.h>
#include <linux/kernel.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
unsigned long start = get_timer(0);
while (1) {
- val = readl(reg);
+ val = __raw_readl(reg);
if (!set)
val = ~val;
if (mdio_wait(regs))
return 1;
- u32 ctrl_reg = in_be32(®s->mdioctrl);
- out_be32(®s->mdioaddr, XEL_MDIOADDR_OP_MASK |
- ((phyaddress << XEL_MDIOADDR_PHYADR_SHIFT) | registernum));
- out_be32(®s->mdioctrl, ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK);
+ u32 ctrl_reg = __raw_readl(®s->mdioctrl);
+ __raw_writel(XEL_MDIOADDR_OP_MASK
+ | ((phyaddress << XEL_MDIOADDR_PHYADR_SHIFT)
+ | registernum), ®s->mdioaddr);
+ __raw_writel(ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK, ®s->mdioctrl);
if (mdio_wait(regs))
return 1;
/* Read data */
- *data = in_be32(®s->mdiord);
+ *data = __raw_readl(®s->mdiord);
return 0;
}
* Data register. Finally, set the Status bit in the MDIO Control
* register to start a MDIO write transaction.
*/
- u32 ctrl_reg = in_be32(®s->mdioctrl);
- out_be32(®s->mdioaddr, ~XEL_MDIOADDR_OP_MASK &
- ((phyaddress << XEL_MDIOADDR_PHYADR_SHIFT) | registernum));
- out_be32(®s->mdiowr, data);
- out_be32(®s->mdioctrl, ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK);
+ u32 ctrl_reg = __raw_readl(®s->mdioctrl);
+ __raw_writel(~XEL_MDIOADDR_OP_MASK
+ & ((phyaddress << XEL_MDIOADDR_PHYADR_SHIFT)
+ | registernum), ®s->mdioaddr);
+ __raw_writel(data, ®s->mdiowr);
+ __raw_writel(ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK, ®s->mdioctrl);
if (mdio_wait(regs))
return 1;
* TX - TX_PING & TX_PONG initialization
*/
/* Restart PING TX */
- out_be32(®s->tx_ping_tsr, 0);
+ __raw_writel(0, ®s->tx_ping_tsr);
/* Copy MAC address */
xemaclite_alignedwrite(pdata->enetaddr, ®s->tx_ping,
ENET_ADDR_LENGTH);
/* Set the length */
- out_be32(®s->tx_ping_tplr, ENET_ADDR_LENGTH);
+ __raw_writel(ENET_ADDR_LENGTH, ®s->tx_ping_tplr);
/* Update the MAC address in the EMAC Lite */
- out_be32(®s->tx_ping_tsr, XEL_TSR_PROG_MAC_ADDR);
+ __raw_writel(XEL_TSR_PROG_MAC_ADDR, ®s->tx_ping_tsr);
/* Wait for EMAC Lite to finish with the MAC address update */
- while ((in_be32 (®s->tx_ping_tsr) &
+ while ((__raw_readl(®s->tx_ping_tsr) &
XEL_TSR_PROG_MAC_ADDR) != 0)
;
if (emaclite->txpp) {
/* The same operation with PONG TX */
- out_be32(®s->tx_pong_tsr, 0);
+ __raw_writel(0, ®s->tx_pong_tsr);
xemaclite_alignedwrite(pdata->enetaddr, ®s->tx_pong,
ENET_ADDR_LENGTH);
- out_be32(®s->tx_pong_tplr, ENET_ADDR_LENGTH);
- out_be32(®s->tx_pong_tsr, XEL_TSR_PROG_MAC_ADDR);
- while ((in_be32(®s->tx_pong_tsr) &
+ __raw_writel(ENET_ADDR_LENGTH, ®s->tx_pong_tplr);
+ __raw_writel(XEL_TSR_PROG_MAC_ADDR, ®s->tx_pong_tsr);
+ while ((__raw_readl(®s->tx_pong_tsr) &
XEL_TSR_PROG_MAC_ADDR) != 0)
;
}
* RX - RX_PING & RX_PONG initialization
*/
/* Write out the value to flush the RX buffer */
- out_be32(®s->rx_ping_rsr, XEL_RSR_RECV_IE_MASK);
+ __raw_writel(XEL_RSR_RECV_IE_MASK, ®s->rx_ping_rsr);
if (emaclite->rxpp)
- out_be32(®s->rx_pong_rsr, XEL_RSR_RECV_IE_MASK);
+ __raw_writel(XEL_RSR_RECV_IE_MASK, ®s->rx_pong_rsr);
- out_be32(®s->mdioctrl, XEL_MDIOCTRL_MDIOEN_MASK);
- if (in_be32(®s->mdioctrl) & XEL_MDIOCTRL_MDIOEN_MASK)
+ __raw_writel(XEL_MDIOCTRL_MDIOEN_MASK, ®s->mdioctrl);
+ if (__raw_readl(®s->mdioctrl) & XEL_MDIOCTRL_MDIOEN_MASK)
if (!setup_phy(dev))
return -1;
* Read the other buffer register
* and determine if the other buffer is available
*/
- tmp = ~in_be32(®s->tx_ping_tsr);
+ tmp = ~__raw_readl(®s->tx_ping_tsr);
if (emaclite->txpp)
- tmp |= ~in_be32(®s->tx_pong_tsr);
+ tmp |= ~__raw_readl(®s->tx_pong_tsr);
return !(tmp & XEL_TSR_XMIT_BUSY_MASK);
}
if (!maxtry) {
printf("Error: Timeout waiting for ethernet TX buffer\n");
/* Restart PING TX */
- out_be32(®s->tx_ping_tsr, 0);
+ __raw_writel(0, ®s->tx_ping_tsr);
if (emaclite->txpp) {
- out_be32(®s->tx_pong_tsr, 0);
+ __raw_writel(0, ®s->tx_pong_tsr);
}
return -1;
}
/* Determine if the expected buffer address is empty */
- reg = in_be32(®s->tx_ping_tsr);
+ reg = __raw_readl(®s->tx_ping_tsr);
if ((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) {
debug("Send packet from tx_ping buffer\n");
/* Write the frame to the buffer */
xemaclite_alignedwrite(ptr, ®s->tx_ping, len);
- out_be32(®s->tx_ping_tplr, len &
- (XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO));
- reg = in_be32(®s->tx_ping_tsr);
+ __raw_writel(len
+ & (XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO),
+ ®s->tx_ping_tplr);
+ reg = __raw_readl(®s->tx_ping_tsr);
reg |= XEL_TSR_XMIT_BUSY_MASK;
- out_be32(®s->tx_ping_tsr, reg);
+ __raw_writel(reg, ®s->tx_ping_tsr);
return 0;
}
if (emaclite->txpp) {
/* Determine if the expected buffer address is empty */
- reg = in_be32(®s->tx_pong_tsr);
+ reg = __raw_readl(®s->tx_pong_tsr);
if ((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) {
debug("Send packet from tx_pong buffer\n");
/* Write the frame to the buffer */
xemaclite_alignedwrite(ptr, ®s->tx_pong, len);
- out_be32(®s->tx_pong_tplr, len &
+ __raw_writel(len &
(XEL_TPLR_LENGTH_MASK_HI |
- XEL_TPLR_LENGTH_MASK_LO));
- reg = in_be32(®s->tx_pong_tsr);
+ XEL_TPLR_LENGTH_MASK_LO),
+ ®s->tx_pong_tplr);
+ reg = __raw_readl(®s->tx_pong_tsr);
reg |= XEL_TSR_XMIT_BUSY_MASK;
- out_be32(®s->tx_pong_tsr, reg);
+ __raw_writel(reg, ®s->tx_pong_tsr);
return 0;
}
}
try_again:
if (!emaclite->use_rx_pong_buffer_next) {
- reg = in_be32(®s->rx_ping_rsr);
+ reg = __raw_readl(®s->rx_ping_rsr);
debug("Testing data at rx_ping\n");
if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {
debug("Data found in rx_ping buffer\n");
goto try_again;
}
} else {
- reg = in_be32(®s->rx_pong_rsr);
+ reg = __raw_readl(®s->rx_pong_rsr);
debug("Testing data at rx_pong\n");
if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {
debug("Data found in rx_pong buffer\n");
length - first_read);
/* Acknowledge the frame */
- reg = in_be32(ack);
+ reg = __raw_readl(ack);
reg &= ~XEL_RSR_RECV_DONE_MASK;
- out_be32(ack, reg);
+ __raw_writel(reg, ack);
debug("Packet receive from 0x%p, length %dB\n", addr, length);
*packetp = etherrxbuff;
int offset = 0;
pdata->iobase = (phys_addr_t)dev_get_addr(dev);
- emaclite->regs = (struct emaclite_regs *)pdata->iobase;
+ emaclite->regs = (struct emaclite_regs *)ioremap_nocache(pdata->iobase,
+ 0x10000);
emaclite->phyaddr = -1;
with a total of 5 lanes. Some boards require this for Ethernet
support to work (e.g. beaver, jetson-tk1).
+config PCI_XILINX
+ bool "Xilinx AXI Bridge for PCI Express"
+ depends on DM_PCI
+ help
+ Enable support for the Xilinx AXI bridge for PCI express, an IP block
+ which can be used on some generations of Xilinx FPGAs.
+
endmenu
obj-$(CONFIG_TSI108_PCI) += tsi108_pci.o
obj-$(CONFIG_WINBOND_83C553) += w83c553f.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o
+obj-$(CONFIG_PCI_XILINX) += pcie_xilinx.o
hose = bus->uclass_priv;
/* For bridges, use the top-level PCI controller */
- if (device_get_uclass_id(bus->parent) == UCLASS_ROOT) {
+ if (!device_is_on_pci_bus(bus)) {
hose->ctlr = bus;
ret = decode_regions(hose, gd->fdt_blob, bus->parent->of_offset,
bus->of_offset);
--- /dev/null
+/*
+ * Xilinx AXI Bridge for PCI Express Driver
+ *
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pci.h>
+
+#include <asm/io.h>
+
+/**
+ * struct xilinx_pcie - Xilinx PCIe controller state
+ * @hose: The parent classes PCI controller state
+ * @cfg_base: The base address of memory mapped configuration space
+ */
+struct xilinx_pcie {
+ struct pci_controller hose;
+ void *cfg_base;
+};
+
+/* Register definitions */
+#define XILINX_PCIE_REG_PSCR 0x144
+#define XILINX_PCIE_REG_PSCR_LNKUP BIT(11)
+
+/**
+ * pcie_xilinx_link_up() - Check whether the PCIe link is up
+ * @pcie: Pointer to the PCI controller state
+ *
+ * Checks whether the PCIe link for the given device is up or down.
+ *
+ * Return: true if the link is up, else false
+ */
+static bool pcie_xilinx_link_up(struct xilinx_pcie *pcie)
+{
+ uint32_t pscr = __raw_readl(pcie->cfg_base + XILINX_PCIE_REG_PSCR);
+
+ return pscr & XILINX_PCIE_REG_PSCR_LNKUP;
+}
+
+/**
+ * pcie_xilinx_config_address() - Calculate the address of a config access
+ * @pcie: Pointer to the PCI controller state
+ * @bdf: Identifies the PCIe device to access
+ * @offset: The offset into the device's configuration space
+ * @paddress: Pointer to the pointer to write the calculates address to
+ *
+ * Calculates the address that should be accessed to perform a PCIe
+ * configuration space access for a given device identified by the PCIe
+ * controller device @pcie and the bus, device & function numbers in @bdf. If
+ * access to the device is not valid then the function will return an error
+ * code. Otherwise the address to access will be written to the pointer pointed
+ * to by @paddress.
+ *
+ * Return: 0 on success, else -ENODEV
+ */
+static int pcie_xilinx_config_address(struct xilinx_pcie *pcie, pci_dev_t bdf,
+ uint offset, void **paddress)
+{
+ unsigned int bus = PCI_BUS(bdf);
+ unsigned int dev = PCI_DEV(bdf);
+ unsigned int func = PCI_FUNC(bdf);
+ void *addr;
+
+ if ((bus > 0) && !pcie_xilinx_link_up(pcie))
+ return -ENODEV;
+
+ /*
+ * Busses 0 (host-PCIe bridge) & 1 (its immediate child) are
+ * limited to a single device each.
+ */
+ if ((bus < 2) && (dev > 0))
+ return -ENODEV;
+
+ addr = pcie->cfg_base;
+ addr += bus << 20;
+ addr += dev << 15;
+ addr += func << 12;
+ addr += offset;
+ *paddress = addr;
+
+ return 0;
+}
+
+/**
+ * pcie_xilinx_read_config() - Read from configuration space
+ * @pcie: Pointer to the PCI controller state
+ * @bdf: Identifies the PCIe device to access
+ * @offset: The offset into the device's configuration space
+ * @valuep: A pointer at which to store the read value
+ * @size: Indicates the size of access to perform
+ *
+ * Read a value of size @size from offset @offset within the configuration
+ * space of the device identified by the bus, device & function numbers in @bdf
+ * on the PCI bus @bus.
+ *
+ * Return: 0 on success, else -ENODEV or -EINVAL
+ */
+static int pcie_xilinx_read_config(struct udevice *bus, pci_dev_t bdf,
+ uint offset, ulong *valuep,
+ enum pci_size_t size)
+{
+ struct xilinx_pcie *pcie = dev_get_priv(bus);
+ void *address;
+ int err;
+
+ err = pcie_xilinx_config_address(pcie, bdf, offset, &address);
+ if (err < 0) {
+ *valuep = pci_get_ff(size);
+ return 0;
+ }
+
+ switch (size) {
+ case PCI_SIZE_8:
+ *valuep = __raw_readb(address);
+ return 0;
+ case PCI_SIZE_16:
+ *valuep = __raw_readw(address);
+ return 0;
+ case PCI_SIZE_32:
+ *valuep = __raw_readl(address);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * pcie_xilinx_write_config() - Write to configuration space
+ * @pcie: Pointer to the PCI controller state
+ * @bdf: Identifies the PCIe device to access
+ * @offset: The offset into the device's configuration space
+ * @value: The value to write
+ * @size: Indicates the size of access to perform
+ *
+ * Write the value @value of size @size from offset @offset within the
+ * configuration space of the device identified by the bus, device & function
+ * numbers in @bdf on the PCI bus @bus.
+ *
+ * Return: 0 on success, else -ENODEV or -EINVAL
+ */
+static int pcie_xilinx_write_config(struct udevice *bus, pci_dev_t bdf,
+ uint offset, ulong value,
+ enum pci_size_t size)
+{
+ struct xilinx_pcie *pcie = dev_get_priv(bus);
+ void *address;
+ int err;
+
+ err = pcie_xilinx_config_address(pcie, bdf, offset, &address);
+ if (err < 0)
+ return 0;
+
+ switch (size) {
+ case PCI_SIZE_8:
+ __raw_writeb(value, address);
+ return 0;
+ case PCI_SIZE_16:
+ __raw_writew(value, address);
+ return 0;
+ case PCI_SIZE_32:
+ __raw_writel(value, address);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * pcie_xilinx_ofdata_to_platdata() - Translate from DT to device state
+ * @dev: A pointer to the device being operated on
+ *
+ * Translate relevant data from the device tree pertaining to device @dev into
+ * state that the driver will later make use of. This state is stored in the
+ * device's private data structure.
+ *
+ * Return: 0 on success, else -EINVAL
+ */
+static int pcie_xilinx_ofdata_to_platdata(struct udevice *dev)
+{
+ struct xilinx_pcie *pcie = dev_get_priv(dev);
+ struct fdt_resource reg_res;
+ DECLARE_GLOBAL_DATA_PTR;
+ int err;
+
+ err = fdt_get_resource(gd->fdt_blob, dev->of_offset, "reg",
+ 0, ®_res);
+ if (err < 0) {
+ error("\"reg\" resource not found\n");
+ return err;
+ }
+
+ pcie->cfg_base = map_physmem(reg_res.start,
+ fdt_resource_size(®_res),
+ MAP_NOCACHE);
+
+ return 0;
+}
+
+static const struct dm_pci_ops pcie_xilinx_ops = {
+ .read_config = pcie_xilinx_read_config,
+ .write_config = pcie_xilinx_write_config,
+};
+
+static const struct udevice_id pcie_xilinx_ids[] = {
+ { .compatible = "xlnx,axi-pcie-host-1.00.a" },
+ { }
+};
+
+U_BOOT_DRIVER(pcie_xilinx) = {
+ .name = "pcie_xilinx",
+ .id = UCLASS_PCI,
+ .of_match = pcie_xilinx_ids,
+ .ops = &pcie_xilinx_ops,
+ .ofdata_to_platdata = pcie_xilinx_ofdata_to_platdata,
+ .priv_auto_alloc_size = sizeof(struct xilinx_pcie),
+};
*/
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
{
struct ns16550_platdata *plat = dev->platdata;
fdt_addr_t addr;
+ struct clk clk;
+ int err;
/* try Processor Local Bus device first */
addr = dev_get_addr(dev);
"reg-offset", 0);
plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"reg-shift", 0);
- plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
- "clock-frequency",
- CONFIG_SYS_NS16550_CLK);
+
+ err = clk_get_by_index(dev, 0, &clk);
+ if (!err) {
+ err = clk_get_rate(&clk);
+ if (!IS_ERR_VALUE(err))
+ plat->clock = err;
+ } else if (err != -ENODEV && err != -ENOSYS) {
+ debug("ns16550 failed to get clock\n");
+ return err;
+ }
+
+ if (!plat->clock)
+ plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency",
+ CONFIG_SYS_NS16550_CLK);
if (!plat->clock) {
debug("ns16550 clock not defined\n");
return -EINVAL;
unsigned long id;
};
-#if CONFIG_IS_ENABLED(OF_CONTROL)
+#if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(CLK)
struct phandle_2_cell;
int clk_get_by_index_platdata(struct udevice *dev, int index,
struct phandle_2_cell *cells, struct clk *clk);
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __CONFIGS_BOSTON_H__
+#define __CONFIGS_BOSTON_H__
+
+/*
+ * General board configuration
+ */
+#define CONFIG_DISPLAY_BOARDINFO
+
+/*
+ * CPU
+ */
+#define CONFIG_SYS_MIPS_TIMER_FREQ 30000000
+
+/*
+ * PCI
+ */
+#define CONFIG_PCI
+#define CONFIG_PCI_PNP
+#define CONFIG_CMD_PCI
+
+/*
+ * Memory map
+ */
+#ifdef CONFIG_64BIT
+# define CONFIG_SYS_SDRAM_BASE 0xffffffff80000000
+#else
+# define CONFIG_SYS_SDRAM_BASE 0x80000000
+#endif
+
+#define CONFIG_SYS_INIT_SP_OFFSET 0x400000
+
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x100000)
+
+#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0)
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x10000000)
+
+#define CONFIG_SYS_MALLOC_LEN (256 * 1024)
+
+/*
+ * Console
+ */
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_BAUDRATE 115200
+
+/*
+ * Flash
+ */
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT 1
+#define CONFIG_SYS_MAX_FLASH_SECT 1024
+
+/*
+ * Environment
+ */
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE 0x20000
+#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+#ifdef CONFIG_64BIT
+# define CONFIG_ENV_ADDR \
+ (0xffffffffb8000000 + (128 << 20) - CONFIG_ENV_SIZE)
+#else
+# define CONFIG_ENV_ADDR \
+ (0xb8000000 + (128 << 20) - CONFIG_ENV_SIZE)
+#endif
+
+#endif /* __CONFIGS_BOSTON_H__ */
--- /dev/null
+/*
+ * Copyright (C) 2016, Imagination Technologies Ltd.
+ *
+ * Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Imagination Technologies Ltd. MIPSfpga
+ */
+
+#ifndef __XILFPGA_CONFIG_H
+#define __XILFPGA_CONFIG_H
+
+/* BootROM + MIG is pretty smart. DDR and Cache initialized */
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+/*--------------------------------------------
+ * CPU configuration
+ */
+/* CPU Timer rate */
+#define CONFIG_SYS_MIPS_TIMER_FREQ 50000000
+
+/* Cache Configuration */
+#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
+
+/*----------------------------------------------------------------------
+ * Memory Layout
+ */
+
+/* SDRAM Configuration (for final code, data, stack, heap) */
+#define CONFIG_SYS_SDRAM_BASE 0x80000000
+#define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 Mbytes */
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE - 0x1000)
+
+#define CONFIG_SYS_MALLOC_LEN (256 << 10)
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_LOAD_ADDR 0x80500000 /* default load address */
+
+/*----------------------------------------------------------------------
+ * Commands
+ */
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+
+/*-------------------------------------------------
+ * FLASH configuration
+ */
+#define CONFIG_SYS_NO_FLASH
+
+/*------------------------------------------------------------
+ * Console Configuration
+ */
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args*/
+#define CONFIG_BAUDRATE 115200
+
+/* -------------------------------------------------
+ * Environment
+ */
+#define CONFIG_ENV_IS_NOWHERE 1
+#define CONFIG_ENV_SIZE 0x4000
+
+/* ---------------------------------------------------------------------
+ * Board boot configuration
+ */
+#define CONFIG_TIMESTAMP /* Print image info with timestamp */
+
+#endif /* __XILFPGA_CONFIG_H */
--- /dev/null
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__
+#define __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__
+
+#define BOSTON_CLK_SYS 0
+#define BOSTON_CLK_CPU 1
+
+#endif /* __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__ */
--- /dev/null
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_MIPS_GIC_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_MIPS_GIC_H
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#define GIC_SHARED 0
+#define GIC_LOCAL 1
+
+#endif
projects / oweals / u-boot.git / commitdiff