2 * Copyright (c) 2013 Thomas Skibo
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6 * modification, are permitted provided that the following conditions
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21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 * Machine dependent code for Xilinx Zynq-7000 Soc.
32 * Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
33 * (v1.4) November 16, 2012. Xilinx doc UG585.
36 #include "opt_global.h"
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #define _ARM32_BUS_DMA_PRIVATE
42 #include <sys/param.h>
43 #include <sys/systm.h>
49 #include <dev/fdt/fdt_common.h>
51 #include <machine/bus.h>
52 #include <machine/pmap.h>
53 #include <machine/frame.h>
54 #include <machine/machdep.h>
56 #include <arm/xilinx/zy7_reg.h>
58 void (*zynq7_cpu_reset)(void);
61 initarm_lastaddr(void)
64 return (ZYNQ7_PSIO_VBASE - ARM_NOCACHE_KVA_SIZE);
68 initarm_gpio_init(void)
73 initarm_late_init(void)
77 #define FDT_DEVMAP_SIZE 3
78 static struct pmap_devmap fdt_devmap[FDT_DEVMAP_SIZE];
81 * Construct pmap_devmap[] with DT-derived config data.
84 platform_devmap_init(void)
88 fdt_devmap[i].pd_va = ZYNQ7_PSIO_VBASE;
89 fdt_devmap[i].pd_pa = ZYNQ7_PSIO_HWBASE;
90 fdt_devmap[i].pd_size = ZYNQ7_PSIO_SIZE;
91 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
92 fdt_devmap[i].pd_cache = PTE_DEVICE;
95 fdt_devmap[i].pd_va = ZYNQ7_PSCTL_VBASE;
96 fdt_devmap[i].pd_pa = ZYNQ7_PSCTL_HWBASE;
97 fdt_devmap[i].pd_size = ZYNQ7_PSCTL_SIZE;
98 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
99 fdt_devmap[i].pd_cache = PTE_DEVICE;
103 fdt_devmap[i].pd_va = 0;
104 fdt_devmap[i].pd_pa = 0;
105 fdt_devmap[i].pd_size = 0;
106 fdt_devmap[i].pd_prot = 0;
107 fdt_devmap[i].pd_cache = 0;
109 pmap_devmap_bootstrap_table = &fdt_devmap[0];
114 struct fdt_fixup_entry fdt_fixup_table[] = {
119 fdt_gic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
123 if (!fdt_is_compatible(node, "arm,gic"))
126 *interrupt = fdt32_to_cpu(intr[0]);
127 *trig = INTR_TRIGGER_CONFORM;
128 *pol = INTR_POLARITY_CONFORM;
133 fdt_pic_decode_t fdt_pic_table[] = {
139 struct arm32_dma_range *
140 bus_dma_get_range(void)
147 bus_dma_get_range_nb(void)
156 if (zynq7_cpu_reset != NULL)
157 (*zynq7_cpu_reset)();
159 printf("cpu_reset: no platform cpu_reset. hanging.\n");