b2097003ec
Introduce a max_cpus per-machine variable, allowing individual boards to limit it's number of CPUs. Check requested number of CPUs in setup code and exit if it exceeds the supported number for the machine. This also renders the static MAX_CPUS check obsolete, so remove this from vl.c. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5443 c046a42c-6fe2-441c-8c8c-71466251a162
128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/* vim:set shiftwidth=4 ts=4 et: */
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/*
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* PXA255 Sharp Zaurus SL-6000 PDA platform
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*
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* Copyright (c) 2008 Dmitry Baryshkov
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*
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* Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
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* This code is licensed under the GNU GPL v2.
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*/
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#include "hw.h"
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#include "pxa.h"
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#include "arm-misc.h"
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#include "sysemu.h"
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#include "devices.h"
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#include "sharpsl.h"
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#include "pcmcia.h"
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#include "block.h"
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#include "boards.h"
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#define TOSA_RAM 0x04000000
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#define TOSA_ROM 0x00800000
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#define TOSA_GPIO_nSD_DETECT (9)
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#define TOSA_GPIO_ON_RESET (19)
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#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
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#define TOSA_GPIO_CF_CD (13)
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#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
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#define TOSA_SCOOP_GPIO_BASE 0
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#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
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#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
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#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
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static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu)
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{
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struct pcmcia_card_s *md;
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int index;
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BlockDriverState *bs;
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index = drive_get_index(IF_IDE, 0, 0);
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if (index == -1)
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return;
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bs = drives_table[index].bdrv;
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if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
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md = dscm1xxxx_init(bs);
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pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
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}
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}
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static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
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struct scoop_info_s *scp0,
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struct scoop_info_s *scp1)
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{
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/* MMC/SD host */
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pxa2xx_mmci_handlers(cpu->mmc,
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scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
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qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));
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/* Handle reset */
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pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);
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/* PCMCIA signals: card's IRQ and Card-Detect */
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pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
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pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
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pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);
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pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
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pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
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NULL);
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}
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static struct arm_boot_info tosa_binfo = {
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.loader_start = PXA2XX_SDRAM_BASE,
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.ram_size = 0x04000000,
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};
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static void tosa_init(ram_addr_t ram_size, int vga_ram_size,
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const char *boot_device, DisplayState *ds,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model)
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{
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struct pxa2xx_state_s *cpu;
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struct scoop_info_s *scp0, *scp1;
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if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) {
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fprintf(stderr, "This platform requires %i bytes of memory\n",
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TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE);
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exit(1);
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}
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if (!cpu_model)
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cpu_model = "pxa255";
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cpu = pxa255_init(tosa_binfo.ram_size, ds);
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cpu_register_physical_memory(0, TOSA_ROM,
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qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
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tc6393xb_init(0x10000000, NULL);
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scp0 = scoop_init(cpu, 0, 0x08800000);
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scp1 = scoop_init(cpu, 1, 0x14800040);
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tosa_gpio_setup(cpu, scp0, scp1);
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tosa_microdrive_attach(cpu);
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/* Setup initial (reset) machine state */
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cpu->env->regs[15] = tosa_binfo.loader_start;
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tosa_binfo.kernel_filename = kernel_filename;
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tosa_binfo.kernel_cmdline = kernel_cmdline;
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tosa_binfo.initrd_filename = initrd_filename;
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tosa_binfo.board_id = 0x208;
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arm_load_kernel(cpu->env, &tosa_binfo);
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sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
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}
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QEMUMachine tosapda_machine = {
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.name = "tosa",
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.desc = "Tosa PDA (PXA255)",
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.init = tosa_init,
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.ram_require = TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED,
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.max_cpus = 1,
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};
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