qapi: Mechanically convert FOO_lookup[...] to FOO_str(...)
[qemu/ar7.git] / hw / arm / aspeed.c
blob0c5635f30021f79373c6c189c978b3f7dab24b89
1 /*
2 * OpenPOWER Palmetto BMC
4 * Andrew Jeffery <andrew@aj.id.au>
6 * Copyright 2016 IBM Corp.
8 * This code is licensed under the GPL version 2 or later. See
9 * the COPYING file in the top-level directory.
12 #include "qemu/osdep.h"
13 #include "qapi/error.h"
14 #include "qemu-common.h"
15 #include "cpu.h"
16 #include "exec/address-spaces.h"
17 #include "hw/arm/arm.h"
18 #include "hw/arm/aspeed_soc.h"
19 #include "hw/boards.h"
20 #include "qemu/log.h"
21 #include "sysemu/block-backend.h"
22 #include "sysemu/blockdev.h"
23 #include "hw/loader.h"
24 #include "qemu/error-report.h"
26 static struct arm_boot_info aspeed_board_binfo = {
27 .board_id = -1, /* device-tree-only board */
28 .nb_cpus = 1,
31 typedef struct AspeedBoardState {
32 AspeedSoCState soc;
33 MemoryRegion ram;
34 } AspeedBoardState;
36 typedef struct AspeedBoardConfig {
37 const char *soc_name;
38 uint32_t hw_strap1;
39 const char *fmc_model;
40 const char *spi_model;
41 uint32_t num_cs;
42 void (*i2c_init)(AspeedBoardState *bmc);
43 } AspeedBoardConfig;
45 enum {
46 PALMETTO_BMC,
47 AST2500_EVB,
48 ROMULUS_BMC,
51 /* Palmetto hardware value: 0x120CE416 */
52 #define PALMETTO_BMC_HW_STRAP1 ( \
53 SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) | \
54 SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
55 SCU_AST2400_HW_STRAP_ACPI_DIS | \
56 SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_48M_IN) | \
57 SCU_HW_STRAP_VGA_CLASS_CODE | \
58 SCU_HW_STRAP_LPC_RESET_PIN | \
59 SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_M_S_EN) | \
60 SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) | \
61 SCU_HW_STRAP_SPI_WIDTH | \
62 SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
63 SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
65 /* AST2500 evb hardware value: 0xF100C2E6 */
66 #define AST2500_EVB_HW_STRAP1 (( \
67 AST2500_HW_STRAP1_DEFAULTS | \
68 SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
69 SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
70 SCU_AST2500_HW_STRAP_UART_DEBUG | \
71 SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
72 SCU_HW_STRAP_MAC1_RGMII | \
73 SCU_HW_STRAP_MAC0_RGMII) & \
74 ~SCU_HW_STRAP_2ND_BOOT_WDT)
76 /* Romulus hardware value: 0xF10AD206 */
77 #define ROMULUS_BMC_HW_STRAP1 ( \
78 AST2500_HW_STRAP1_DEFAULTS | \
79 SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
80 SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
81 SCU_AST2500_HW_STRAP_UART_DEBUG | \
82 SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
83 SCU_AST2500_HW_STRAP_ACPI_ENABLE | \
84 SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
86 static void palmetto_bmc_i2c_init(AspeedBoardState *bmc);
87 static void ast2500_evb_i2c_init(AspeedBoardState *bmc);
89 static const AspeedBoardConfig aspeed_boards[] = {
90 [PALMETTO_BMC] = {
91 .soc_name = "ast2400-a1",
92 .hw_strap1 = PALMETTO_BMC_HW_STRAP1,
93 .fmc_model = "n25q256a",
94 .spi_model = "mx25l25635e",
95 .num_cs = 1,
96 .i2c_init = palmetto_bmc_i2c_init,
98 [AST2500_EVB] = {
99 .soc_name = "ast2500-a1",
100 .hw_strap1 = AST2500_EVB_HW_STRAP1,
101 .fmc_model = "n25q256a",
102 .spi_model = "mx25l25635e",
103 .num_cs = 1,
104 .i2c_init = ast2500_evb_i2c_init,
106 [ROMULUS_BMC] = {
107 .soc_name = "ast2500-a1",
108 .hw_strap1 = ROMULUS_BMC_HW_STRAP1,
109 .fmc_model = "n25q256a",
110 .spi_model = "mx66l1g45g",
111 .num_cs = 2,
115 #define FIRMWARE_ADDR 0x0
117 static void write_boot_rom(DriveInfo *dinfo, hwaddr addr, size_t rom_size,
118 Error **errp)
120 BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
121 uint8_t *storage;
122 int64_t size;
124 /* The block backend size should have already been 'validated' by
125 * the creation of the m25p80 object.
127 size = blk_getlength(blk);
128 if (size <= 0) {
129 error_setg(errp, "failed to get flash size");
130 return;
133 if (rom_size > size) {
134 rom_size = size;
137 storage = g_new0(uint8_t, rom_size);
138 if (blk_pread(blk, 0, storage, rom_size) < 0) {
139 error_setg(errp, "failed to read the initial flash content");
140 return;
143 rom_add_blob_fixed("aspeed.boot_rom", storage, rom_size, addr);
144 g_free(storage);
147 static void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
148 Error **errp)
150 int i ;
152 for (i = 0; i < s->num_cs; ++i) {
153 AspeedSMCFlash *fl = &s->flashes[i];
154 DriveInfo *dinfo = drive_get_next(IF_MTD);
155 qemu_irq cs_line;
157 fl->flash = ssi_create_slave_no_init(s->spi, flashtype);
158 if (dinfo) {
159 qdev_prop_set_drive(fl->flash, "drive", blk_by_legacy_dinfo(dinfo),
160 errp);
162 qdev_init_nofail(fl->flash);
164 cs_line = qdev_get_gpio_in_named(fl->flash, SSI_GPIO_CS, 0);
165 sysbus_connect_irq(SYS_BUS_DEVICE(s), i + 1, cs_line);
169 static void aspeed_board_init(MachineState *machine,
170 const AspeedBoardConfig *cfg)
172 AspeedBoardState *bmc;
173 AspeedSoCClass *sc;
174 DriveInfo *drive0 = drive_get(IF_MTD, 0, 0);
176 bmc = g_new0(AspeedBoardState, 1);
177 object_initialize(&bmc->soc, (sizeof(bmc->soc)), cfg->soc_name);
178 object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
179 &error_abort);
181 sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
183 object_property_set_uint(OBJECT(&bmc->soc), ram_size, "ram-size",
184 &error_abort);
185 object_property_set_int(OBJECT(&bmc->soc), cfg->hw_strap1, "hw-strap1",
186 &error_abort);
187 object_property_set_int(OBJECT(&bmc->soc), cfg->num_cs, "num-cs",
188 &error_abort);
189 object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
190 &error_abort);
193 * Allocate RAM after the memory controller has checked the size
194 * was valid. If not, a default value is used.
196 ram_size = object_property_get_uint(OBJECT(&bmc->soc), "ram-size",
197 &error_abort);
199 memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size);
200 memory_region_add_subregion(get_system_memory(), sc->info->sdram_base,
201 &bmc->ram);
202 object_property_add_const_link(OBJECT(&bmc->soc), "ram", OBJECT(&bmc->ram),
203 &error_abort);
205 aspeed_board_init_flashes(&bmc->soc.fmc, cfg->fmc_model, &error_abort);
206 aspeed_board_init_flashes(&bmc->soc.spi[0], cfg->spi_model, &error_abort);
208 /* Install first FMC flash content as a boot rom. */
209 if (drive0) {
210 AspeedSMCFlash *fl = &bmc->soc.fmc.flashes[0];
211 MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
214 * create a ROM region using the default mapping window size of
215 * the flash module. The window size is 64MB for the AST2400
216 * SoC and 128MB for the AST2500 SoC, which is twice as big as
217 * needed by the flash modules of the Aspeed machines.
219 memory_region_init_rom_nomigrate(boot_rom, OBJECT(bmc), "aspeed.boot_rom",
220 fl->size, &error_abort);
221 memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
222 boot_rom);
223 write_boot_rom(drive0, FIRMWARE_ADDR, fl->size, &error_abort);
226 aspeed_board_binfo.kernel_filename = machine->kernel_filename;
227 aspeed_board_binfo.initrd_filename = machine->initrd_filename;
228 aspeed_board_binfo.kernel_cmdline = machine->kernel_cmdline;
229 aspeed_board_binfo.ram_size = ram_size;
230 aspeed_board_binfo.loader_start = sc->info->sdram_base;
232 if (cfg->i2c_init) {
233 cfg->i2c_init(bmc);
236 arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
239 static void palmetto_bmc_i2c_init(AspeedBoardState *bmc)
241 AspeedSoCState *soc = &bmc->soc;
242 DeviceState *dev;
244 /* The palmetto platform expects a ds3231 RTC but a ds1338 is
245 * enough to provide basic RTC features. Alarms will be missing */
246 i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), "ds1338", 0x68);
248 /* add a TMP423 temperature sensor */
249 dev = i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2),
250 "tmp423", 0x4c);
251 object_property_set_int(OBJECT(dev), 31000, "temperature0", &error_abort);
252 object_property_set_int(OBJECT(dev), 28000, "temperature1", &error_abort);
253 object_property_set_int(OBJECT(dev), 20000, "temperature2", &error_abort);
254 object_property_set_int(OBJECT(dev), 110000, "temperature3", &error_abort);
257 static void palmetto_bmc_init(MachineState *machine)
259 aspeed_board_init(machine, &aspeed_boards[PALMETTO_BMC]);
262 static void palmetto_bmc_class_init(ObjectClass *oc, void *data)
264 MachineClass *mc = MACHINE_CLASS(oc);
266 mc->desc = "OpenPOWER Palmetto BMC (ARM926EJ-S)";
267 mc->init = palmetto_bmc_init;
268 mc->max_cpus = 1;
269 mc->no_sdcard = 1;
270 mc->no_floppy = 1;
271 mc->no_cdrom = 1;
272 mc->no_parallel = 1;
275 static const TypeInfo palmetto_bmc_type = {
276 .name = MACHINE_TYPE_NAME("palmetto-bmc"),
277 .parent = TYPE_MACHINE,
278 .class_init = palmetto_bmc_class_init,
281 static void ast2500_evb_i2c_init(AspeedBoardState *bmc)
283 AspeedSoCState *soc = &bmc->soc;
285 /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
286 i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "tmp105", 0x4d);
289 static void ast2500_evb_init(MachineState *machine)
291 aspeed_board_init(machine, &aspeed_boards[AST2500_EVB]);
294 static void ast2500_evb_class_init(ObjectClass *oc, void *data)
296 MachineClass *mc = MACHINE_CLASS(oc);
298 mc->desc = "Aspeed AST2500 EVB (ARM1176)";
299 mc->init = ast2500_evb_init;
300 mc->max_cpus = 1;
301 mc->no_sdcard = 1;
302 mc->no_floppy = 1;
303 mc->no_cdrom = 1;
304 mc->no_parallel = 1;
307 static const TypeInfo ast2500_evb_type = {
308 .name = MACHINE_TYPE_NAME("ast2500-evb"),
309 .parent = TYPE_MACHINE,
310 .class_init = ast2500_evb_class_init,
313 static void romulus_bmc_init(MachineState *machine)
315 aspeed_board_init(machine, &aspeed_boards[ROMULUS_BMC]);
318 static void romulus_bmc_class_init(ObjectClass *oc, void *data)
320 MachineClass *mc = MACHINE_CLASS(oc);
322 mc->desc = "OpenPOWER Romulus BMC (ARM1176)";
323 mc->init = romulus_bmc_init;
324 mc->max_cpus = 1;
325 mc->no_sdcard = 1;
326 mc->no_floppy = 1;
327 mc->no_cdrom = 1;
328 mc->no_parallel = 1;
331 static const TypeInfo romulus_bmc_type = {
332 .name = MACHINE_TYPE_NAME("romulus-bmc"),
333 .parent = TYPE_MACHINE,
334 .class_init = romulus_bmc_class_init,
337 static void aspeed_machine_init(void)
339 type_register_static(&palmetto_bmc_type);
340 type_register_static(&ast2500_evb_type);
341 type_register_static(&romulus_bmc_type);
344 type_init(aspeed_machine_init)