xref: /openbmc/qemu/hw/riscv/microchip_pfsoc.c (revision 1da79ecc)
1 /*
2  * QEMU RISC-V Board Compatible with Microchip PolarFire SoC Icicle Kit
3  *
4  * Copyright (c) 2020 Wind River Systems, Inc.
5  *
6  * Author:
7  *   Bin Meng <bin.meng@windriver.com>
8  *
9  * Provides a board compatible with the Microchip PolarFire SoC Icicle Kit
10  *
11  * 0) CLINT (Core Level Interruptor)
12  * 1) PLIC (Platform Level Interrupt Controller)
13  * 2) eNVM (Embedded Non-Volatile Memory)
14  * 3) MMUARTs (Multi-Mode UART)
15  * 4) Cadence eMMC/SDHC controller and an SD card connected to it
16  * 5) SiFive Platform DMA (Direct Memory Access Controller)
17  * 6) GEM (Gigabit Ethernet MAC Controller)
18  * 7) DMC (DDR Memory Controller)
19  * 8) IOSCB modules
20  *
21  * This board currently generates devicetree dynamically that indicates at least
22  * two harts and up to five harts.
23  *
24  * This program is free software; you can redistribute it and/or modify it
25  * under the terms and conditions of the GNU General Public License,
26  * version 2 or later, as published by the Free Software Foundation.
27  *
28  * This program is distributed in the hope it will be useful, but WITHOUT
29  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
30  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
31  * more details.
32  *
33  * You should have received a copy of the GNU General Public License along with
34  * this program.  If not, see <http://www.gnu.org/licenses/>.
35  */
36 
37 #include "qemu/osdep.h"
38 #include "qemu/error-report.h"
39 #include "qemu/log.h"
40 #include "qemu/units.h"
41 #include "qemu/cutils.h"
42 #include "qapi/error.h"
43 #include "hw/boards.h"
44 #include "hw/irq.h"
45 #include "hw/loader.h"
46 #include "hw/sysbus.h"
47 #include "chardev/char.h"
48 #include "hw/cpu/cluster.h"
49 #include "target/riscv/cpu.h"
50 #include "hw/misc/unimp.h"
51 #include "hw/riscv/boot.h"
52 #include "hw/riscv/riscv_hart.h"
53 #include "hw/riscv/microchip_pfsoc.h"
54 #include "hw/intc/sifive_clint.h"
55 #include "hw/intc/sifive_plic.h"
56 #include "sysemu/sysemu.h"
57 
58 /*
59  * The BIOS image used by this machine is called Hart Software Services (HSS).
60  * See https://github.com/polarfire-soc/hart-software-services
61  */
62 #define BIOS_FILENAME   "hss.bin"
63 #define RESET_VECTOR    0x20220000
64 
65 /* CLINT timebase frequency */
66 #define CLINT_TIMEBASE_FREQ 1000000
67 
68 /* GEM version */
69 #define GEM_REVISION    0x0107010c
70 
71 /*
72  * The complete description of the whole PolarFire SoC memory map is scattered
73  * in different documents. There are several places to look at for memory maps:
74  *
75  * 1 Chapter 11 "MSS Memory Map", in the doc "UG0880: PolarFire SoC FPGA
76  *   Microprocessor Subsystem (MSS) User Guide", which can be downloaded from
77  *   https://www.microsemi.com/document-portal/doc_download/
78  *   1244570-ug0880-polarfire-soc-fpga-microprocessor-subsystem-mss-user-guide,
79  *   describes the whole picture of the PolarFire SoC memory map.
80  *
81  * 2 A zip file for PolarFire soC memory map, which can be downloaded from
82  *   https://www.microsemi.com/document-portal/doc_download/
83  *   1244581-polarfire-soc-register-map, contains the following 2 major parts:
84  *   - Register Map/PF_SoC_RegMap_V1_1/pfsoc_regmap.htm
85  *     describes the complete integrated peripherals memory map
86  *   - Register Map/PF_SoC_RegMap_V1_1/MPFS250T/mpfs250t_ioscb_memmap_dri.htm
87  *     describes the complete IOSCB modules memory maps
88  */
89 static const struct MemmapEntry {
90     hwaddr base;
91     hwaddr size;
92 } microchip_pfsoc_memmap[] = {
93     [MICROCHIP_PFSOC_RSVD0] =           {        0x0,      0x100 },
94     [MICROCHIP_PFSOC_DEBUG] =           {      0x100,      0xf00 },
95     [MICROCHIP_PFSOC_E51_DTIM] =        {  0x1000000,     0x2000 },
96     [MICROCHIP_PFSOC_BUSERR_UNIT0] =    {  0x1700000,     0x1000 },
97     [MICROCHIP_PFSOC_BUSERR_UNIT1] =    {  0x1701000,     0x1000 },
98     [MICROCHIP_PFSOC_BUSERR_UNIT2] =    {  0x1702000,     0x1000 },
99     [MICROCHIP_PFSOC_BUSERR_UNIT3] =    {  0x1703000,     0x1000 },
100     [MICROCHIP_PFSOC_BUSERR_UNIT4] =    {  0x1704000,     0x1000 },
101     [MICROCHIP_PFSOC_CLINT] =           {  0x2000000,    0x10000 },
102     [MICROCHIP_PFSOC_L2CC] =            {  0x2010000,     0x1000 },
103     [MICROCHIP_PFSOC_DMA] =             {  0x3000000,   0x100000 },
104     [MICROCHIP_PFSOC_L2LIM] =           {  0x8000000,  0x2000000 },
105     [MICROCHIP_PFSOC_PLIC] =            {  0xc000000,  0x4000000 },
106     [MICROCHIP_PFSOC_MMUART0] =         { 0x20000000,     0x1000 },
107     [MICROCHIP_PFSOC_SYSREG] =          { 0x20002000,     0x2000 },
108     [MICROCHIP_PFSOC_MPUCFG] =          { 0x20005000,     0x1000 },
109     [MICROCHIP_PFSOC_DDR_SGMII_PHY] =   { 0x20007000,     0x1000 },
110     [MICROCHIP_PFSOC_EMMC_SD] =         { 0x20008000,     0x1000 },
111     [MICROCHIP_PFSOC_DDR_CFG] =         { 0x20080000,    0x40000 },
112     [MICROCHIP_PFSOC_MMUART1] =         { 0x20100000,     0x1000 },
113     [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,     0x1000 },
114     [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,     0x1000 },
115     [MICROCHIP_PFSOC_MMUART4] =         { 0x20106000,     0x1000 },
116     [MICROCHIP_PFSOC_SPI0] =            { 0x20108000,     0x1000 },
117     [MICROCHIP_PFSOC_SPI1] =            { 0x20109000,     0x1000 },
118     [MICROCHIP_PFSOC_I2C1] =            { 0x2010b000,     0x1000 },
119     [MICROCHIP_PFSOC_GEM0] =            { 0x20110000,     0x2000 },
120     [MICROCHIP_PFSOC_GEM1] =            { 0x20112000,     0x2000 },
121     [MICROCHIP_PFSOC_GPIO0] =           { 0x20120000,     0x1000 },
122     [MICROCHIP_PFSOC_GPIO1] =           { 0x20121000,     0x1000 },
123     [MICROCHIP_PFSOC_GPIO2] =           { 0x20122000,     0x1000 },
124     [MICROCHIP_PFSOC_ENVM_CFG] =        { 0x20200000,     0x1000 },
125     [MICROCHIP_PFSOC_ENVM_DATA] =       { 0x20220000,    0x20000 },
126     [MICROCHIP_PFSOC_QSPI_XIP] =        { 0x21000000,  0x1000000 },
127     [MICROCHIP_PFSOC_IOSCB] =           { 0x30000000, 0x10000000 },
128     [MICROCHIP_PFSOC_DRAM_LO] =         { 0x80000000, 0x40000000 },
129     [MICROCHIP_PFSOC_DRAM_LO_ALIAS] =   { 0xc0000000, 0x40000000 },
130     [MICROCHIP_PFSOC_DRAM_HI] =       { 0x1000000000,        0x0 },
131     [MICROCHIP_PFSOC_DRAM_HI_ALIAS] = { 0x1400000000,        0x0 },
132 };
133 
134 static void microchip_pfsoc_soc_instance_init(Object *obj)
135 {
136     MachineState *ms = MACHINE(qdev_get_machine());
137     MicrochipPFSoCState *s = MICROCHIP_PFSOC(obj);
138 
139     object_initialize_child(obj, "e-cluster", &s->e_cluster, TYPE_CPU_CLUSTER);
140     qdev_prop_set_uint32(DEVICE(&s->e_cluster), "cluster-id", 0);
141 
142     object_initialize_child(OBJECT(&s->e_cluster), "e-cpus", &s->e_cpus,
143                             TYPE_RISCV_HART_ARRAY);
144     qdev_prop_set_uint32(DEVICE(&s->e_cpus), "num-harts", 1);
145     qdev_prop_set_uint32(DEVICE(&s->e_cpus), "hartid-base", 0);
146     qdev_prop_set_string(DEVICE(&s->e_cpus), "cpu-type",
147                          TYPE_RISCV_CPU_SIFIVE_E51);
148     qdev_prop_set_uint64(DEVICE(&s->e_cpus), "resetvec", RESET_VECTOR);
149 
150     object_initialize_child(obj, "u-cluster", &s->u_cluster, TYPE_CPU_CLUSTER);
151     qdev_prop_set_uint32(DEVICE(&s->u_cluster), "cluster-id", 1);
152 
153     object_initialize_child(OBJECT(&s->u_cluster), "u-cpus", &s->u_cpus,
154                             TYPE_RISCV_HART_ARRAY);
155     qdev_prop_set_uint32(DEVICE(&s->u_cpus), "num-harts", ms->smp.cpus - 1);
156     qdev_prop_set_uint32(DEVICE(&s->u_cpus), "hartid-base", 1);
157     qdev_prop_set_string(DEVICE(&s->u_cpus), "cpu-type",
158                          TYPE_RISCV_CPU_SIFIVE_U54);
159     qdev_prop_set_uint64(DEVICE(&s->u_cpus), "resetvec", RESET_VECTOR);
160 
161     object_initialize_child(obj, "dma-controller", &s->dma,
162                             TYPE_SIFIVE_PDMA);
163 
164     object_initialize_child(obj, "sysreg", &s->sysreg,
165                             TYPE_MCHP_PFSOC_SYSREG);
166 
167     object_initialize_child(obj, "ddr-sgmii-phy", &s->ddr_sgmii_phy,
168                             TYPE_MCHP_PFSOC_DDR_SGMII_PHY);
169     object_initialize_child(obj, "ddr-cfg", &s->ddr_cfg,
170                             TYPE_MCHP_PFSOC_DDR_CFG);
171 
172     object_initialize_child(obj, "gem0", &s->gem0, TYPE_CADENCE_GEM);
173     object_initialize_child(obj, "gem1", &s->gem1, TYPE_CADENCE_GEM);
174 
175     object_initialize_child(obj, "sd-controller", &s->sdhci,
176                             TYPE_CADENCE_SDHCI);
177 
178     object_initialize_child(obj, "ioscb", &s->ioscb, TYPE_MCHP_PFSOC_IOSCB);
179 }
180 
181 static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)
182 {
183     MachineState *ms = MACHINE(qdev_get_machine());
184     MicrochipPFSoCState *s = MICROCHIP_PFSOC(dev);
185     const struct MemmapEntry *memmap = microchip_pfsoc_memmap;
186     MemoryRegion *system_memory = get_system_memory();
187     MemoryRegion *rsvd0_mem = g_new(MemoryRegion, 1);
188     MemoryRegion *e51_dtim_mem = g_new(MemoryRegion, 1);
189     MemoryRegion *l2lim_mem = g_new(MemoryRegion, 1);
190     MemoryRegion *envm_data = g_new(MemoryRegion, 1);
191     MemoryRegion *qspi_xip_mem = g_new(MemoryRegion, 1);
192     char *plic_hart_config;
193     size_t plic_hart_config_len;
194     NICInfo *nd;
195     int i;
196 
197     sysbus_realize(SYS_BUS_DEVICE(&s->e_cpus), &error_abort);
198     sysbus_realize(SYS_BUS_DEVICE(&s->u_cpus), &error_abort);
199     /*
200      * The cluster must be realized after the RISC-V hart array container,
201      * as the container's CPU object is only created on realize, and the
202      * CPU must exist and have been parented into the cluster before the
203      * cluster is realized.
204      */
205     qdev_realize(DEVICE(&s->e_cluster), NULL, &error_abort);
206     qdev_realize(DEVICE(&s->u_cluster), NULL, &error_abort);
207 
208     /* Reserved Memory at address 0 */
209     memory_region_init_ram(rsvd0_mem, NULL, "microchip.pfsoc.rsvd0_mem",
210                            memmap[MICROCHIP_PFSOC_RSVD0].size, &error_fatal);
211     memory_region_add_subregion(system_memory,
212                                 memmap[MICROCHIP_PFSOC_RSVD0].base,
213                                 rsvd0_mem);
214 
215     /* E51 DTIM */
216     memory_region_init_ram(e51_dtim_mem, NULL, "microchip.pfsoc.e51_dtim_mem",
217                            memmap[MICROCHIP_PFSOC_E51_DTIM].size, &error_fatal);
218     memory_region_add_subregion(system_memory,
219                                 memmap[MICROCHIP_PFSOC_E51_DTIM].base,
220                                 e51_dtim_mem);
221 
222     /* Bus Error Units */
223     create_unimplemented_device("microchip.pfsoc.buserr_unit0_mem",
224         memmap[MICROCHIP_PFSOC_BUSERR_UNIT0].base,
225         memmap[MICROCHIP_PFSOC_BUSERR_UNIT0].size);
226     create_unimplemented_device("microchip.pfsoc.buserr_unit1_mem",
227         memmap[MICROCHIP_PFSOC_BUSERR_UNIT1].base,
228         memmap[MICROCHIP_PFSOC_BUSERR_UNIT1].size);
229     create_unimplemented_device("microchip.pfsoc.buserr_unit2_mem",
230         memmap[MICROCHIP_PFSOC_BUSERR_UNIT2].base,
231         memmap[MICROCHIP_PFSOC_BUSERR_UNIT2].size);
232     create_unimplemented_device("microchip.pfsoc.buserr_unit3_mem",
233         memmap[MICROCHIP_PFSOC_BUSERR_UNIT3].base,
234         memmap[MICROCHIP_PFSOC_BUSERR_UNIT3].size);
235     create_unimplemented_device("microchip.pfsoc.buserr_unit4_mem",
236         memmap[MICROCHIP_PFSOC_BUSERR_UNIT4].base,
237         memmap[MICROCHIP_PFSOC_BUSERR_UNIT4].size);
238 
239     /* CLINT */
240     sifive_clint_create(memmap[MICROCHIP_PFSOC_CLINT].base,
241         memmap[MICROCHIP_PFSOC_CLINT].size, 0, ms->smp.cpus,
242         SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE,
243         CLINT_TIMEBASE_FREQ, false);
244 
245     /* L2 cache controller */
246     create_unimplemented_device("microchip.pfsoc.l2cc",
247         memmap[MICROCHIP_PFSOC_L2CC].base, memmap[MICROCHIP_PFSOC_L2CC].size);
248 
249     /*
250      * Add L2-LIM at reset size.
251      * This should be reduced in size as the L2 Cache Controller WayEnable
252      * register is incremented. Unfortunately I don't see a nice (or any) way
253      * to handle reducing or blocking out the L2 LIM while still allowing it
254      * be re returned to all enabled after a reset. For the time being, just
255      * leave it enabled all the time. This won't break anything, but will be
256      * too generous to misbehaving guests.
257      */
258     memory_region_init_ram(l2lim_mem, NULL, "microchip.pfsoc.l2lim",
259                            memmap[MICROCHIP_PFSOC_L2LIM].size, &error_fatal);
260     memory_region_add_subregion(system_memory,
261                                 memmap[MICROCHIP_PFSOC_L2LIM].base,
262                                 l2lim_mem);
263 
264     /* create PLIC hart topology configuration string */
265     plic_hart_config_len = (strlen(MICROCHIP_PFSOC_PLIC_HART_CONFIG) + 1) *
266                            ms->smp.cpus;
267     plic_hart_config = g_malloc0(plic_hart_config_len);
268     for (i = 0; i < ms->smp.cpus; i++) {
269         if (i != 0) {
270             strncat(plic_hart_config, "," MICROCHIP_PFSOC_PLIC_HART_CONFIG,
271                     plic_hart_config_len);
272         } else {
273             strncat(plic_hart_config, "M", plic_hart_config_len);
274         }
275         plic_hart_config_len -= (strlen(MICROCHIP_PFSOC_PLIC_HART_CONFIG) + 1);
276     }
277 
278     /* PLIC */
279     s->plic = sifive_plic_create(memmap[MICROCHIP_PFSOC_PLIC].base,
280         plic_hart_config, 0,
281         MICROCHIP_PFSOC_PLIC_NUM_SOURCES,
282         MICROCHIP_PFSOC_PLIC_NUM_PRIORITIES,
283         MICROCHIP_PFSOC_PLIC_PRIORITY_BASE,
284         MICROCHIP_PFSOC_PLIC_PENDING_BASE,
285         MICROCHIP_PFSOC_PLIC_ENABLE_BASE,
286         MICROCHIP_PFSOC_PLIC_ENABLE_STRIDE,
287         MICROCHIP_PFSOC_PLIC_CONTEXT_BASE,
288         MICROCHIP_PFSOC_PLIC_CONTEXT_STRIDE,
289         memmap[MICROCHIP_PFSOC_PLIC].size);
290     g_free(plic_hart_config);
291 
292     /* DMA */
293     sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp);
294     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dma), 0,
295                     memmap[MICROCHIP_PFSOC_DMA].base);
296     for (i = 0; i < SIFIVE_PDMA_IRQS; i++) {
297         sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), i,
298                            qdev_get_gpio_in(DEVICE(s->plic),
299                                             MICROCHIP_PFSOC_DMA_IRQ0 + i));
300     }
301 
302     /* SYSREG */
303     sysbus_realize(SYS_BUS_DEVICE(&s->sysreg), errp);
304     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysreg), 0,
305                     memmap[MICROCHIP_PFSOC_SYSREG].base);
306 
307     /* MPUCFG */
308     create_unimplemented_device("microchip.pfsoc.mpucfg",
309         memmap[MICROCHIP_PFSOC_MPUCFG].base,
310         memmap[MICROCHIP_PFSOC_MPUCFG].size);
311 
312     /* DDR SGMII PHY */
313     sysbus_realize(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), errp);
314     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_sgmii_phy), 0,
315                     memmap[MICROCHIP_PFSOC_DDR_SGMII_PHY].base);
316 
317     /* DDR CFG */
318     sysbus_realize(SYS_BUS_DEVICE(&s->ddr_cfg), errp);
319     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ddr_cfg), 0,
320                     memmap[MICROCHIP_PFSOC_DDR_CFG].base);
321 
322     /* SDHCI */
323     sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp);
324     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
325                     memmap[MICROCHIP_PFSOC_EMMC_SD].base);
326     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
327         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_EMMC_SD_IRQ));
328 
329     /* MMUARTs */
330     s->serial0 = mchp_pfsoc_mmuart_create(system_memory,
331         memmap[MICROCHIP_PFSOC_MMUART0].base,
332         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART0_IRQ),
333         serial_hd(0));
334     s->serial1 = mchp_pfsoc_mmuart_create(system_memory,
335         memmap[MICROCHIP_PFSOC_MMUART1].base,
336         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART1_IRQ),
337         serial_hd(1));
338     s->serial2 = mchp_pfsoc_mmuart_create(system_memory,
339         memmap[MICROCHIP_PFSOC_MMUART2].base,
340         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART2_IRQ),
341         serial_hd(2));
342     s->serial3 = mchp_pfsoc_mmuart_create(system_memory,
343         memmap[MICROCHIP_PFSOC_MMUART3].base,
344         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART3_IRQ),
345         serial_hd(3));
346     s->serial4 = mchp_pfsoc_mmuart_create(system_memory,
347         memmap[MICROCHIP_PFSOC_MMUART4].base,
348         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART4_IRQ),
349         serial_hd(4));
350 
351     /* SPI */
352     create_unimplemented_device("microchip.pfsoc.spi0",
353         memmap[MICROCHIP_PFSOC_SPI0].base,
354         memmap[MICROCHIP_PFSOC_SPI0].size);
355     create_unimplemented_device("microchip.pfsoc.spi1",
356         memmap[MICROCHIP_PFSOC_SPI1].base,
357         memmap[MICROCHIP_PFSOC_SPI1].size);
358 
359     /* I2C1 */
360     create_unimplemented_device("microchip.pfsoc.i2c1",
361         memmap[MICROCHIP_PFSOC_I2C1].base,
362         memmap[MICROCHIP_PFSOC_I2C1].size);
363 
364     /* GEMs */
365 
366     nd = &nd_table[0];
367     if (nd->used) {
368         qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
369         qdev_set_nic_properties(DEVICE(&s->gem0), nd);
370     }
371     nd = &nd_table[1];
372     if (nd->used) {
373         qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
374         qdev_set_nic_properties(DEVICE(&s->gem1), nd);
375     }
376 
377     object_property_set_int(OBJECT(&s->gem0), "revision", GEM_REVISION, errp);
378     object_property_set_int(OBJECT(&s->gem0), "phy-addr", 8, errp);
379     sysbus_realize(SYS_BUS_DEVICE(&s->gem0), errp);
380     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem0), 0,
381                     memmap[MICROCHIP_PFSOC_GEM0].base);
382     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem0), 0,
383         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM0_IRQ));
384 
385     object_property_set_int(OBJECT(&s->gem1), "revision", GEM_REVISION, errp);
386     object_property_set_int(OBJECT(&s->gem1), "phy-addr", 9, errp);
387     sysbus_realize(SYS_BUS_DEVICE(&s->gem1), errp);
388     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem1), 0,
389                     memmap[MICROCHIP_PFSOC_GEM1].base);
390     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem1), 0,
391         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM1_IRQ));
392 
393     /* GPIOs */
394     create_unimplemented_device("microchip.pfsoc.gpio0",
395         memmap[MICROCHIP_PFSOC_GPIO0].base,
396         memmap[MICROCHIP_PFSOC_GPIO0].size);
397     create_unimplemented_device("microchip.pfsoc.gpio1",
398         memmap[MICROCHIP_PFSOC_GPIO1].base,
399         memmap[MICROCHIP_PFSOC_GPIO1].size);
400     create_unimplemented_device("microchip.pfsoc.gpio2",
401         memmap[MICROCHIP_PFSOC_GPIO2].base,
402         memmap[MICROCHIP_PFSOC_GPIO2].size);
403 
404     /* eNVM */
405     memory_region_init_rom(envm_data, OBJECT(dev), "microchip.pfsoc.envm.data",
406                            memmap[MICROCHIP_PFSOC_ENVM_DATA].size,
407                            &error_fatal);
408     memory_region_add_subregion(system_memory,
409                                 memmap[MICROCHIP_PFSOC_ENVM_DATA].base,
410                                 envm_data);
411 
412     /* IOSCB */
413     sysbus_realize(SYS_BUS_DEVICE(&s->ioscb), errp);
414     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ioscb), 0,
415                     memmap[MICROCHIP_PFSOC_IOSCB].base);
416 
417     /* QSPI Flash */
418     memory_region_init_rom(qspi_xip_mem, OBJECT(dev),
419                            "microchip.pfsoc.qspi_xip",
420                            memmap[MICROCHIP_PFSOC_QSPI_XIP].size,
421                            &error_fatal);
422     memory_region_add_subregion(system_memory,
423                                 memmap[MICROCHIP_PFSOC_QSPI_XIP].base,
424                                 qspi_xip_mem);
425 }
426 
427 static void microchip_pfsoc_soc_class_init(ObjectClass *oc, void *data)
428 {
429     DeviceClass *dc = DEVICE_CLASS(oc);
430 
431     dc->realize = microchip_pfsoc_soc_realize;
432     /* Reason: Uses serial_hds in realize function, thus can't be used twice */
433     dc->user_creatable = false;
434 }
435 
436 static const TypeInfo microchip_pfsoc_soc_type_info = {
437     .name = TYPE_MICROCHIP_PFSOC,
438     .parent = TYPE_DEVICE,
439     .instance_size = sizeof(MicrochipPFSoCState),
440     .instance_init = microchip_pfsoc_soc_instance_init,
441     .class_init = microchip_pfsoc_soc_class_init,
442 };
443 
444 static void microchip_pfsoc_soc_register_types(void)
445 {
446     type_register_static(&microchip_pfsoc_soc_type_info);
447 }
448 
449 type_init(microchip_pfsoc_soc_register_types)
450 
451 static void microchip_icicle_kit_machine_init(MachineState *machine)
452 {
453     MachineClass *mc = MACHINE_GET_CLASS(machine);
454     const struct MemmapEntry *memmap = microchip_pfsoc_memmap;
455     MicrochipIcicleKitState *s = MICROCHIP_ICICLE_KIT_MACHINE(machine);
456     MemoryRegion *system_memory = get_system_memory();
457     MemoryRegion *mem_low = g_new(MemoryRegion, 1);
458     MemoryRegion *mem_low_alias = g_new(MemoryRegion, 1);
459     MemoryRegion *mem_high = g_new(MemoryRegion, 1);
460     MemoryRegion *mem_high_alias = g_new(MemoryRegion, 1);
461     uint64_t mem_high_size;
462     DriveInfo *dinfo = drive_get_next(IF_SD);
463 
464     /* Sanity check on RAM size */
465     if (machine->ram_size < mc->default_ram_size) {
466         char *sz = size_to_str(mc->default_ram_size);
467         error_report("Invalid RAM size, should be bigger than %s", sz);
468         g_free(sz);
469         exit(EXIT_FAILURE);
470     }
471 
472     /* Initialize SoC */
473     object_initialize_child(OBJECT(machine), "soc", &s->soc,
474                             TYPE_MICROCHIP_PFSOC);
475     qdev_realize(DEVICE(&s->soc), NULL, &error_abort);
476 
477     /* Register RAM */
478     memory_region_init_ram(mem_low, NULL, "microchip.icicle.kit.ram_low",
479                            memmap[MICROCHIP_PFSOC_DRAM_LO].size,
480                            &error_fatal);
481     memory_region_init_alias(mem_low_alias, NULL,
482                              "microchip.icicle.kit.ram_low.alias",
483                              mem_low, 0,
484                              memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].size);
485     memory_region_add_subregion(system_memory,
486                                 memmap[MICROCHIP_PFSOC_DRAM_LO].base,
487                                 mem_low);
488     memory_region_add_subregion(system_memory,
489                                 memmap[MICROCHIP_PFSOC_DRAM_LO_ALIAS].base,
490                                 mem_low_alias);
491 
492     mem_high_size = machine->ram_size - 1 * GiB;
493 
494     memory_region_init_ram(mem_high, NULL, "microchip.icicle.kit.ram_high",
495                            mem_high_size, &error_fatal);
496     memory_region_init_alias(mem_high_alias, NULL,
497                              "microchip.icicle.kit.ram_high.alias",
498                              mem_high, 0, mem_high_size);
499     memory_region_add_subregion(system_memory,
500                                 memmap[MICROCHIP_PFSOC_DRAM_HI].base,
501                                 mem_high);
502     memory_region_add_subregion(system_memory,
503                                 memmap[MICROCHIP_PFSOC_DRAM_HI_ALIAS].base,
504                                 mem_high_alias);
505 
506     /* Load the firmware */
507     riscv_find_and_load_firmware(machine, BIOS_FILENAME, RESET_VECTOR, NULL);
508 
509     /* Attach an SD card */
510     if (dinfo) {
511         CadenceSDHCIState *sdhci = &(s->soc.sdhci);
512         DeviceState *card = qdev_new(TYPE_SD_CARD);
513 
514         qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
515                                 &error_fatal);
516         qdev_realize_and_unref(card, sdhci->bus, &error_fatal);
517     }
518 }
519 
520 static void microchip_icicle_kit_machine_class_init(ObjectClass *oc, void *data)
521 {
522     MachineClass *mc = MACHINE_CLASS(oc);
523 
524     mc->desc = "Microchip PolarFire SoC Icicle Kit";
525     mc->init = microchip_icicle_kit_machine_init;
526     mc->max_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT +
527                    MICROCHIP_PFSOC_COMPUTE_CPU_COUNT;
528     mc->min_cpus = MICROCHIP_PFSOC_MANAGEMENT_CPU_COUNT + 1;
529     mc->default_cpus = mc->min_cpus;
530 
531     /*
532      * Map 513 MiB high memory, the mimimum required high memory size, because
533      * HSS will do memory test against the high memory address range regardless
534      * of physical memory installed.
535      *
536      * See memory_tests() in mss_ddr.c in the HSS source code.
537      */
538     mc->default_ram_size = 1537 * MiB;
539 }
540 
541 static const TypeInfo microchip_icicle_kit_machine_typeinfo = {
542     .name       = MACHINE_TYPE_NAME("microchip-icicle-kit"),
543     .parent     = TYPE_MACHINE,
544     .class_init = microchip_icicle_kit_machine_class_init,
545     .instance_size = sizeof(MicrochipIcicleKitState),
546 };
547 
548 static void microchip_icicle_kit_machine_init_register_types(void)
549 {
550     type_register_static(&microchip_icicle_kit_machine_typeinfo);
551 }
552 
553 type_init(microchip_icicle_kit_machine_init_register_types)
554