Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Model of Petalogix linux reference design targeting Xilinx Spartan 3ADSP-1800 |
| 3 | * boards. |
| 4 | * |
| 5 | * Copyright (c) 2009 Edgar E. Iglesias. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #include "sysbus.h" |
| 27 | #include "hw.h" |
| 28 | #include "net.h" |
| 29 | #include "flash.h" |
| 30 | #include "sysemu.h" |
| 31 | #include "devices.h" |
| 32 | #include "boards.h" |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 33 | #include "xilinx.h" |
Blue Swirl | 2446333 | 2010-08-24 15:22:24 +0000 | [diff] [blame] | 34 | #include "blockdev.h" |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 35 | #include "exec-memory.h" |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 36 | |
Peter A. G. Crosthwaite | d94e743 | 2012-03-04 21:03:51 +1000 | [diff] [blame] | 37 | #include "microblaze_boot.h" |
Peter A. G. Crosthwaite | b861b74 | 2011-08-22 18:15:25 +1000 | [diff] [blame] | 38 | #include "microblaze_pic_cpu.h" |
| 39 | |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 40 | #define LMB_BRAM_SIZE (128 * 1024) |
| 41 | #define FLASH_SIZE (16 * 1024 * 1024) |
| 42 | |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 43 | #define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb" |
Aurelien Jarno | 409dbce | 2010-03-14 21:20:59 +0100 | [diff] [blame] | 44 | |
Peter A. G. Crosthwaite | cba1fd3 | 2012-03-04 21:03:53 +1000 | [diff] [blame] | 45 | #define MEMORY_BASEADDR 0x90000000 |
| 46 | #define FLASH_BASEADDR 0xa0000000 |
| 47 | #define INTC_BASEADDR 0x81800000 |
| 48 | #define TIMER_BASEADDR 0x83c00000 |
| 49 | #define UARTLITE_BASEADDR 0x84000000 |
| 50 | #define ETHLITE_BASEADDR 0x81000000 |
| 51 | |
Andreas Färber | bf49436 | 2012-05-05 12:30:53 +0200 | [diff] [blame] | 52 | static void machine_cpu_reset(MicroBlazeCPU *cpu) |
Peter A. G. Crosthwaite | 1f28fac | 2012-03-04 21:03:52 +1000 | [diff] [blame] | 53 | { |
Andreas Färber | bf49436 | 2012-05-05 12:30:53 +0200 | [diff] [blame] | 54 | CPUMBState *env = &cpu->env; |
| 55 | |
Peter A. G. Crosthwaite | 1f28fac | 2012-03-04 21:03:52 +1000 | [diff] [blame] | 56 | env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family. */ |
| 57 | } |
| 58 | |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 59 | static void |
Anthony Liguori | c227f09 | 2009-10-01 16:12:16 -0500 | [diff] [blame] | 60 | petalogix_s3adsp1800_init(ram_addr_t ram_size, |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 61 | const char *boot_device, |
| 62 | const char *kernel_filename, |
| 63 | const char *kernel_cmdline, |
| 64 | const char *initrd_filename, const char *cpu_model) |
| 65 | { |
| 66 | DeviceState *dev; |
Andreas Färber | 3ed6073 | 2012-05-05 12:20:29 +0200 | [diff] [blame] | 67 | MicroBlazeCPU *cpu; |
Andreas Färber | ee11850 | 2012-03-14 01:38:23 +0100 | [diff] [blame] | 68 | CPUMBState *env; |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 69 | DriveInfo *dinfo; |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 70 | int i; |
Peter A. G. Crosthwaite | cba1fd3 | 2012-03-04 21:03:53 +1000 | [diff] [blame] | 71 | target_phys_addr_t ddr_base = MEMORY_BASEADDR; |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 72 | MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1); |
| 73 | MemoryRegion *phys_ram = g_new(MemoryRegion, 1); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 74 | qemu_irq irq[32], *cpu_irq; |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 75 | MemoryRegion *sysmem = get_system_memory(); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 76 | |
| 77 | /* init CPUs */ |
| 78 | if (cpu_model == NULL) { |
| 79 | cpu_model = "microblaze"; |
| 80 | } |
Andreas Färber | 3ed6073 | 2012-05-05 12:20:29 +0200 | [diff] [blame] | 81 | cpu = cpu_mb_init(cpu_model); |
| 82 | env = &cpu->env; |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 83 | |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 84 | /* Attach emulated BRAM through the LMB. */ |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 85 | memory_region_init_ram(phys_lmb_bram, |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 86 | "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE); |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 87 | vmstate_register_ram_global(phys_lmb_bram); |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 88 | memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 89 | |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 90 | memory_region_init_ram(phys_ram, "petalogix_s3adsp1800.ram", ram_size); |
| 91 | vmstate_register_ram_global(phys_ram); |
Avi Kivity | 589f0aa | 2011-09-12 16:31:50 +0300 | [diff] [blame] | 92 | memory_region_add_subregion(sysmem, ddr_base, phys_ram); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 93 | |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 94 | dinfo = drive_get(IF_PFLASH, 0, 0); |
Peter A. G. Crosthwaite | cba1fd3 | 2012-03-04 21:03:53 +1000 | [diff] [blame] | 95 | pflash_cfi01_register(FLASH_BASEADDR, |
Avi Kivity | cfe5f01 | 2011-08-04 15:55:30 +0300 | [diff] [blame] | 96 | NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE, |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 97 | dinfo ? dinfo->bdrv : NULL, (64 * 1024), |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 98 | FLASH_SIZE >> 16, |
Anthony Liguori | 01e0451 | 2011-08-25 14:39:18 -0500 | [diff] [blame] | 99 | 1, 0x89, 0x18, 0x0000, 0x0, 1); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 100 | |
| 101 | cpu_irq = microblaze_pic_init_cpu(env); |
Peter A. G. Crosthwaite | cba1fd3 | 2012-03-04 21:03:53 +1000 | [diff] [blame] | 102 | dev = xilinx_intc_create(INTC_BASEADDR, cpu_irq[0], 2); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 103 | for (i = 0; i < 32; i++) { |
| 104 | irq[i] = qdev_get_gpio_in(dev, i); |
| 105 | } |
| 106 | |
Peter A. G. Crosthwaite | 23d6055 | 2012-06-13 14:46:41 +1000 | [diff] [blame] | 107 | sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR, irq[3]); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 108 | /* 2 timers at irq 2 @ 62 Mhz. */ |
Peter A. G. Crosthwaite | abe098e | 2012-06-13 14:46:43 +1000 | [diff] [blame] | 109 | xilinx_timer_create(TIMER_BASEADDR, irq[0], 0, 62 * 1000000); |
Peter A. G. Crosthwaite | cba1fd3 | 2012-03-04 21:03:53 +1000 | [diff] [blame] | 110 | xilinx_ethlite_create(&nd_table[0], ETHLITE_BASEADDR, irq[1], 0, 0); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 111 | |
Andreas Färber | bf49436 | 2012-05-05 12:30:53 +0200 | [diff] [blame] | 112 | microblaze_load_kernel(cpu, ddr_base, ram_size, |
Peter A. G. Crosthwaite | 1f28fac | 2012-03-04 21:03:52 +1000 | [diff] [blame] | 113 | BINARY_DEVICE_TREE_FILE, machine_cpu_reset); |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | static QEMUMachine petalogix_s3adsp1800_machine = { |
| 117 | .name = "petalogix-s3adsp1800", |
Michal Simek | 73ad9e6 | 2011-03-04 12:31:14 +0100 | [diff] [blame] | 118 | .desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800", |
Edgar E. Iglesias | 6a8b1ae | 2009-05-20 20:16:11 +0200 | [diff] [blame] | 119 | .init = petalogix_s3adsp1800_init, |
| 120 | .is_default = 1 |
| 121 | }; |
| 122 | |
| 123 | static void petalogix_s3adsp1800_machine_init(void) |
| 124 | { |
| 125 | qemu_register_machine(&petalogix_s3adsp1800_machine); |
| 126 | } |
| 127 | |
| 128 | machine_init(petalogix_s3adsp1800_machine_init); |