From b6cd0ea1205dd4623ccfe796ee6c1a4da3141d99 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Sun, 4 May 2008 21:42:11 +0000 Subject: [PATCH] 8250: Customized base baudrate (Jan Kiszka) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4336 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/mips_jazz.c | 4 ++-- hw/mips_malta.c | 7 ++++--- hw/mips_mipssim.c | 2 +- hw/mips_r4k.c | 3 ++- hw/musicpal.c | 4 ++-- hw/omap1.c | 3 ++- hw/pc.c | 3 ++- hw/pc.h | 7 ++++--- hw/ppc405_uc.c | 2 +- hw/ppc_chrp.c | 2 +- hw/ppc_oldworld.c | 2 +- hw/ppc_prep.c | 2 +- hw/pxa2xx.c | 6 ++++-- hw/serial.c | 14 +++++++++----- 14 files changed, 36 insertions(+), 25 deletions(-) diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c index 2fa2421..bfd8b53 100644 --- a/hw/mips_jazz.c +++ b/hw/mips_jazz.c @@ -234,9 +234,9 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size, /* Serial ports */ if (serial_hds[0]) - serial_mm_init(0x80006000, 0, rc4030[8], serial_hds[0], 1); + serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1); if (serial_hds[1]) - serial_mm_init(0x80007000, 0, rc4030[9], serial_hds[1], 1); + serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1); /* Parallel port */ if (parallel_hds[0]) diff --git a/hw/mips_malta.c b/hw/mips_malta.c index b9b9a84..cc31082 100644 --- a/hw/mips_malta.c +++ b/hw/mips_malta.c @@ -449,7 +449,8 @@ static MaltaFPGAState *malta_fpga_init(target_phys_addr_t base, CPUState *env) uart_chr = qemu_chr_open("vc:80Cx24C"); qemu_chr_printf(uart_chr, "CBUS UART\r\n"); - s->uart = serial_mm_init(base + 0x900, 3, env->irq[2], uart_chr, 1); + s->uart = + serial_mm_init(base + 0x900, 3, env->irq[2], 230400, uart_chr, 1); malta_fpga_reset(s); qemu_register_reset(malta_fpga_reset, s); @@ -918,9 +919,9 @@ void mips_malta_init (ram_addr_t ram_size, int vga_ram_size, i8042_init(i8259[1], i8259[12], 0x60); rtc_state = rtc_init(0x70, i8259[8]); if (serial_hds[0]) - serial_init(0x3f8, i8259[4], serial_hds[0]); + serial_init(0x3f8, i8259[4], 115200, serial_hds[0]); if (serial_hds[1]) - serial_init(0x2f8, i8259[3], serial_hds[1]); + serial_init(0x2f8, i8259[3], 115200, serial_hds[1]); if (parallel_hds[0]) parallel_init(0x378, i8259[7], parallel_hds[0]); for(i = 0; i < MAX_FD; i++) { diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c index a36ea67..e29d8af 100644 --- a/hw/mips_mipssim.c +++ b/hw/mips_mipssim.c @@ -174,7 +174,7 @@ mips_mipssim_init (ram_addr_t ram_size, int vga_ram_size, /* A single 16450 sits at offset 0x3f8. It is attached to MIPS CPU INT2, which is interrupt 4. */ if (serial_hds[0]) - serial_init(0x3f8, env->irq[4], serial_hds[0]); + serial_init(0x3f8, env->irq[4], 115200, serial_hds[0]); if (nd_table[0].vlan) { if (nd_table[0].model == NULL diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index 09fe170..66ae135 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -241,7 +241,8 @@ void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size, for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { - serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]); + serial_init(serial_io[i], i8259[serial_irq[i]], 115200, + serial_hds[i]); } } diff --git a/hw/musicpal.c b/hw/musicpal.c index e6ecb5a..6c68f36 100644 --- a/hw/musicpal.c +++ b/hw/musicpal.c @@ -1448,10 +1448,10 @@ static void musicpal_init(ram_addr_t ram_size, int vga_ram_size, mv88w8618_pit_init(MP_PIT_BASE, pic, MP_TIMER1_IRQ); if (serial_hds[0]) - serial_mm_init(MP_UART1_BASE, 2, pic[MP_UART1_IRQ], /*1825000,*/ + serial_mm_init(MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1825000, serial_hds[0], 1); if (serial_hds[1]) - serial_mm_init(MP_UART2_BASE, 2, pic[MP_UART2_IRQ], /*1825000,*/ + serial_mm_init(MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1825000, serial_hds[1], 1); /* Register flash */ diff --git a/hw/omap1.c b/hw/omap1.c index b9176b3..f7f2b48 100644 --- a/hw/omap1.c +++ b/hw/omap1.c @@ -2006,7 +2006,8 @@ struct omap_uart_s *omap_uart_init(target_phys_addr_t base, struct omap_uart_s *s = (struct omap_uart_s *) qemu_mallocz(sizeof(struct omap_uart_s)); - s->serial = serial_mm_init(base, 2, irq, chr ?: qemu_chr_open("null"), 1); + s->serial = serial_mm_init(base, 2, irq, omap_clk_getrate(fclk)/16, + chr ?: qemu_chr_open("null"), 1); return s; } diff --git a/hw/pc.c b/hw/pc.c index 265ced4..3559606 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -930,7 +930,8 @@ static void pc_init1(ram_addr_t ram_size, int vga_ram_size, for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { - serial_init(serial_io[i], i8259[serial_irq[i]], serial_hds[i]); + serial_init(serial_io[i], i8259[serial_irq[i]], 115200, + serial_hds[i]); } } diff --git a/hw/pc.h b/hw/pc.h index 97adc6e..acbb9fc 100644 --- a/hw/pc.h +++ b/hw/pc.h @@ -4,10 +4,11 @@ /* serial.c */ -SerialState *serial_init(int base, qemu_irq irq, CharDriverState *chr); +SerialState *serial_init(int base, qemu_irq irq, int baudbase, + CharDriverState *chr); SerialState *serial_mm_init (target_phys_addr_t base, int it_shift, - qemu_irq irq, CharDriverState *chr, - int ioregister); + qemu_irq irq, int baudbase, + CharDriverState *chr, int ioregister); uint32_t serial_mm_readb (void *opaque, target_phys_addr_t addr); void serial_mm_writeb (void *opaque, target_phys_addr_t addr, uint32_t value); uint32_t serial_mm_readw (void *opaque, target_phys_addr_t addr); diff --git a/hw/ppc405_uc.c b/hw/ppc405_uc.c index 2d2d8b3..b6b25b7 100644 --- a/hw/ppc405_uc.c +++ b/hw/ppc405_uc.c @@ -1223,7 +1223,7 @@ void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio, #ifdef DEBUG_SERIAL printf("%s: offset " PADDRX "\n", __func__, offset); #endif - serial = serial_mm_init(offset, 0, irq, chr, 0); + serial = serial_mm_init(offset, 0, irq, 399193, chr, 0); ppc4xx_mmio_register(env, mmio, offset, 0x008, serial_mm_read, serial_mm_write, serial); } diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c index 6511842..deb9761 100644 --- a/hw/ppc_chrp.c +++ b/hw/ppc_chrp.c @@ -264,7 +264,7 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size, dummy_irq = i8259_init(NULL); /* XXX: use Mac Serial port */ - serial_init(0x3f8, dummy_irq[4], serial_hds[0]); + serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]); for(i = 0; i < nb_nics; i++) { if (!nd_table[i].model) nd_table[i].model = "ne2k_pci"; diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c index 3ec5e86..be5ee67 100644 --- a/hw/ppc_oldworld.c +++ b/hw/ppc_oldworld.c @@ -287,7 +287,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size, int vga_ram_size, dummy_irq = i8259_init(NULL); /* XXX: use Mac Serial port */ - serial_init(0x3f8, dummy_irq[4], serial_hds[0]); + serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]); for(i = 0; i < nb_nics; i++) { if (!nd_table[i].model) diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c index aaf4410..9238e6d 100644 --- a/hw/ppc_prep.c +++ b/hw/ppc_prep.c @@ -667,7 +667,7 @@ static void ppc_prep_init (ram_addr_t ram_size, int vga_ram_size, // pit = pit_init(0x40, i8259[0]); rtc_init(0x70, i8259[8]); - serial_init(0x3f8, i8259[4], serial_hds[0]); + serial_init(0x3f8, i8259[4], 115200, serial_hds[0]); nb_nics1 = nb_nics; if (nb_nics1 > NE2000_NB_MAX) nb_nics1 = NE2000_NB_MAX; diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c index 1259dbe..6e06baa 100644 --- a/hw/pxa2xx.c +++ b/hw/pxa2xx.c @@ -2077,7 +2077,8 @@ struct pxa2xx_state_s *pxa270_init(unsigned int sdram_size, for (i = 0; pxa270_serial[i].io_base; i ++) if (serial_hds[i]) serial_mm_init(pxa270_serial[i].io_base, 2, - s->pic[pxa270_serial[i].irqn], serial_hds[i], 1); + s->pic[pxa270_serial[i].irqn], 14857000/16, + serial_hds[i], 1); else break; if (serial_hds[i]) @@ -2202,7 +2203,8 @@ struct pxa2xx_state_s *pxa255_init(unsigned int sdram_size, for (i = 0; pxa255_serial[i].io_base; i ++) if (serial_hds[i]) serial_mm_init(pxa255_serial[i].io_base, 2, - s->pic[pxa255_serial[i].irqn], serial_hds[i], 1); + s->pic[pxa255_serial[i].irqn], 14745600/16, + serial_hds[i], 1); else break; if (serial_hds[i]) diff --git a/hw/serial.c b/hw/serial.c index b5ac6f1..ffd6ac9 100644 --- a/hw/serial.c +++ b/hw/serial.c @@ -99,6 +99,7 @@ struct SerialState { int last_break_enable; target_phys_addr_t base; int it_shift; + int baudbase; QEMUTimer *tx_timer; int tx_burst; }; @@ -135,7 +136,7 @@ static void serial_tx_done(void *opaque) /* We assume 10 bits/char, OK for this purpose. */ s->tx_burst = THROTTLE_TX_INTERVAL * 1000 / - (1000000 * 10 / (115200 / divider)); + (1000000 * 10 / (s->baudbase / divider)); } s->thr_ipending = 1; s->lsr |= UART_LSR_THRE; @@ -163,7 +164,7 @@ static void serial_update_parameters(SerialState *s) data_bits = (s->lcr & 0x03) + 5; if (s->divider == 0) return; - speed = 115200 / s->divider; + speed = s->baudbase / s->divider; ssp.speed = speed; ssp.parity = parity; ssp.data_bits = data_bits; @@ -413,7 +414,8 @@ static void serial_reset(void *opaque) } /* If fd is zero, it means that the serial device uses the console */ -SerialState *serial_init(int base, qemu_irq irq, CharDriverState *chr) +SerialState *serial_init(int base, qemu_irq irq, int baudbase, + CharDriverState *chr) { SerialState *s; @@ -421,6 +423,7 @@ SerialState *serial_init(int base, qemu_irq irq, CharDriverState *chr) if (!s) return NULL; s->irq = irq; + s->baudbase = baudbase; s->tx_timer = qemu_new_timer(vm_clock, serial_tx_done, s); if (!s->tx_timer) @@ -512,8 +515,8 @@ static CPUWriteMemoryFunc *serial_mm_write[] = { }; SerialState *serial_mm_init (target_phys_addr_t base, int it_shift, - qemu_irq irq, CharDriverState *chr, - int ioregister) + qemu_irq irq, int baudbase, + CharDriverState *chr, int ioregister) { SerialState *s; int s_io_memory; @@ -524,6 +527,7 @@ SerialState *serial_mm_init (target_phys_addr_t base, int it_shift, s->irq = irq; s->base = base; s->it_shift = it_shift; + s->baudbase= baudbase; s->tx_timer = qemu_new_timer(vm_clock, serial_tx_done, s); if (!s->tx_timer) -- 1.7.9.5