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Vortex86EX southbridge routes more built-in PCI device IRQs. 

Routes IRQs for USB device, SPI1, MOTOR, HD audio, CAN bus.

Change-Id: I995a5c6d3ed6a7dca4f0d21545c928132ccbbc21
Signed-off-by: Andrew Wu <arw@dmp.com.tw>
Reviewed-on: http://review.coreboot.org/3725
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Andrew Wu 2013-07-09 21:29:25 +08:00 committed by Stefan Reinauer
parent 8ee04d784c
commit 52914323bf
2 changed files with 51 additions and 11 deletions
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55
src/southbridge/dmp/vortex86ex/southbridge.c
View File

@ -46,18 +46,31 @@ static const unsigned char irq_to_int_routing[16] = {
#define RT0_IRQ_SHIFT 0
/* S/B Extend PCI Interrupt routing table reg(0xb4) field bit shift. */
#define CAN_IRQ_SHIFT 28
#define HDA_IRQ_SHIFT 20
#define USBD_IRQ_SHIFT 16
#define SIDE_IRQ_SHIFT 12
#define PIDE_IRQ_SHIFT 8
/* S/B function 1 Extend PCI Interrupt routing table reg 2(0xb4)
* field bit shift.
*/
#define SPI1_IRQ_SHIFT 8
#define MOTOR_IRQ_SHIFT 0
/* in-chip PCI device IRQs(0 for disabled). */
#define EHCII_IRQ 5
#define OHCII_IRQ 5
#define MAC_IRQ 6
#define USBD_IRQ 0
#define CAN_IRQ 10
#define HDA_IRQ 7
#define USBD_IRQ 6
#define PIDE_IRQ 5
#define SPI1_IRQ 10
#define MOTOR_IRQ 11
/* RT0-3 IRQs. */
#define RT3_IRQ 3
#define RT2_IRQ 4
@ -179,9 +192,11 @@ static void pci_routing_fixup(struct device *dev)
int_routing |= irq_to_int_routing[EHCII_IRQ] << EHCIH_IRQ_SHIFT;
int_routing |= irq_to_int_routing[OHCII_IRQ] << OHCII_IRQ_SHIFT;
int_routing |= irq_to_int_routing[MAC_IRQ] << MAC_IRQ_SHIFT;
pci_write_config32(dev, SB_REG_PIRQ_X_ROUT, int_routing);
pci_write_config32(dev, SB_REG_PIRQ_ROUTE, int_routing);
/* Setup S/B PCI Extend Interrupt routing table reg(0xb4). */
ext_int_routing |= irq_to_int_routing[CAN_IRQ] << CAN_IRQ_SHIFT;
ext_int_routing |= irq_to_int_routing[HDA_IRQ] << HDA_IRQ_SHIFT;
ext_int_routing |= irq_to_int_routing[USBD_IRQ] << USBD_IRQ_SHIFT;
#if CONFIG_IDE_NATIVE_MODE
/* IDE in native mode, only uses one IRQ. */
@ -192,7 +207,7 @@ static void pci_routing_fixup(struct device *dev)
ext_int_routing |= irq_to_int_routing[IDE2_LEGACY_IRQ] << SIDE_IRQ_SHIFT;
ext_int_routing |= irq_to_int_routing[IDE1_LEGACY_IRQ] << PIDE_IRQ_SHIFT;
#endif
pci_write_config32(dev, SB_REG_PIRQ_X_ROUT2, ext_int_routing);
pci_write_config32(dev, SB_REG_EXT_PIRQ_ROUTE, ext_int_routing);
/* Assign in-chip PCI device IRQs. */
if (MAC_IRQ) {
@ -208,6 +223,14 @@ static void pci_routing_fixup(struct device *dev)
unsigned char irqs[4] = { PIDE_IRQ, 0, 0, 0 };
pci_assign_irqs(0, 0xc, irqs);
}
if (CAN_IRQ) {
unsigned char irqs[4] = { CAN_IRQ, 0, 0, 0 };
pci_assign_irqs(0, 0x11, irqs);
}
if (HDA_IRQ) {
unsigned char irqs[4] = { HDA_IRQ, 0, 0, 0 };
pci_assign_irqs(0, 0xe, irqs);
}
if (USBD_IRQ) {
unsigned char irqs[4] = { USBD_IRQ, 0, 0, 0 };
pci_assign_irqs(0, 0xf, irqs);
@ -514,14 +537,28 @@ static void vortex86_sb_read_resources(device_t dev)
vortex86_sb_set_spi_flash_size(dev, flash_size);
}
static void southbridge_init_func1(struct device *dev)
{
/* Handle S/B function 1 PCI IRQ routing. (SPI1/MOTOR) */
u32 ext_int_routing2 = 0;
/* Setup S/B function 1 PCI Extend Interrupt routing table reg 2(0xb4). */
ext_int_routing2 |= irq_to_int_routing[SPI1_IRQ] << SPI1_IRQ_SHIFT;
ext_int_routing2 |= irq_to_int_routing[MOTOR_IRQ] << MOTOR_IRQ_SHIFT;
pci_write_config32(dev, SB1_REG_EXT_PIRQ_ROUTE2, ext_int_routing2);
/* Assign in-chip PCI device IRQs. */
if (SPI1_IRQ || MOTOR_IRQ) {
unsigned char irqs[4] = { MOTOR_IRQ, SPI1_IRQ, 0, 0 };
pci_assign_irqs(0, 0x10, irqs);
}
}
static void southbridge_init(struct device *dev)
{
if (dev->device == 0x6011) {
/* It is EX CPU southbridge */
if (get_pci_dev_func(dev) != 0) {
/* only for function 0, skip function 1 */
return;
}
/* Check it is function 0 or 1. (Same Vendor/Device ID) */
if (get_pci_dev_func(dev) != 0) {
southbridge_init_func1(dev);
return;
}
upload_dmp_keyboard_firmware(dev);
vortex_sb_init(dev);

7
src/southbridge/dmp/vortex86ex/southbridge.h
View File

@ -23,7 +23,7 @@
#define SB PCI_DEV(0, 7, 0)
#define SB_REG_LPCCR 0x41
#define SB_REG_FRCSCR 0x42
#define SB_REG_PIRQ_X_ROUT 0x58
#define SB_REG_PIRQ_ROUTE 0x58
#define SB_REG_UART_CFG_IO_BASE 0x60
#define SB_REG_GPIO_CFG_IO_BASE 0x62
#define SB_REG_CS_BASE0 0x90
@ -31,12 +31,15 @@
#define SB_REG_CS_BASE1 0x98
#define SB_REG_CS_BASE_MASK1 0x9c
#define SB_REG_IPPCR 0xb0
#define SB_REG_PIRQ_X_ROUT2 0xb4
#define SB_REG_EXT_PIRQ_ROUTE 0xb4
#define SB_REG_OCDCR 0xbc
#define SB_REG_IPFCR 0xc0
#define SB_REG_FRWPR 0xc4
#define SB_REG_STRAP 0xce
#define SB1 PCI_DEV(0, 7, 1)
#define SB1_REG_EXT_PIRQ_ROUTE2 0xb4
#define SYSTEM_CTL_PORT 0x92
#endif /* SOUTHBRIDGE_H */