8250: Customized base baudrate

(Jan Kiszka)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4336 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-05-04 21:42:11 +00:00
parent 6936bfe514
commit b6cd0ea120
14 changed files with 36 additions and 25 deletions

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@ -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])

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@ -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++) {

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@ -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

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@ -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]);
}
}

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@ -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 */

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@ -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;
}

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@ -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]);
}
}

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@ -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);

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@ -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);
}

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@ -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";

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@ -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)

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@ -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;

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@ -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])

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@ -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)