* Copyright 2004 Tyan Computer
* by yhlu@tyan.com
*/
+
#include <console/console.h>
#include <device/device.h>
#include <delay.h>
#include <device/pci_ops.h>
#include "ck804.h"
+#ifndef CK804_SATA_RESET_FOR_ATAPI
+#define CK804_SATA_RESET_FOR_ATAPI 0
+#endif
+#if CK804_SATA_RESET_FOR_ATAPI
static void sata_com_reset(struct device *dev, unsigned reset)
// reset = 1 : reset
// reset = 0 : clear
{
- uint32_t *base;
+ uint32_t *base;
uint32_t dword;
int loop;
- base = (uint32_t *) pci_read_config32(dev, 0x24);
+ base = (uint32_t *) pci_read_config32(dev, 0x24);
- printk_debug("base = %08x\r\n", base);
+ printk(BIOS_DEBUG, "base = %08lx\n", base);
- if(reset) {
- *(base + 4) = 0xffffffff;
- *(base + 0x44) = 0xffffffff;
- }
+ if (reset) {
+ *(base + 4) = 0xffffffff;
+ *(base + 0x44) = 0xffffffff;
+ }
- dword = *(base +8);
- dword &= ~(0xf);
- dword |= reset;
+ dword = *(base + 8);
+ dword &= ~(0xf);
+ dword |= reset;
- *(base + 8) = dword;
- *(base + 0x48) = dword;
+ *(base + 8) = dword;
+ *(base + 0x48) = dword;
#if 0
udelay(1000);
dword &= ~(0xf);
- *(base + 8) = dword;
- *(base + 0x48) = dword;
+ *(base + 8) = dword;
+ *(base + 0x48) = dword;
#endif
-
-
- if(reset) return;
+ if (reset)
+ return;
- dword = *(base+ 0);
- printk_debug("*(base+0)=%08x\r\n",dword);
- if(dword == 0x113) {
- loop = 200000;// 2
+ dword = *(base + 0);
+ printk(BIOS_DEBUG, "*(base+0)=%08x\r\n", dword);
+ if (dword == 0x113) {
+ loop = 200000; // 2
do {
- dword = *(base + 4);
- if((dword & 0x10000)!=0) break;
+ dword = *(base + 4);
+ if ((dword & 0x10000) != 0)
+ break;
udelay(10);
- } while (--loop>0);
- printk_debug("loop=%d, *(base+4)=%08x\r\n",loop, dword);
+ } while (--loop > 0);
+ printk(BIOS_DEBUG, "loop=%d, *(base+4)=%08x\r\n", loop, dword);
}
-
-
- dword = *(base+ 0x40);
- printk_debug("*(base+0x40)=%08x\r\n",dword);
- if(dword == 0x113) {
- loop = 200000;//2
- do {
- dword = *(base + 0x44);
- if((dword & 0x10000)!=0) break;
+
+ dword = *(base + 0x40);
+ printk(BIOS_DEBUG, "*(base+0x40)=%08x\r\n", dword);
+ if (dword == 0x113) {
+ loop = 200000; //2
+ do {
+ dword = *(base + 0x44);
+ if ((dword & 0x10000) != 0)
+ break;
udelay(10);
- } while (--loop>0);
- printk_debug("loop=%d, *(base+0x44)=%08x\r\n",loop, dword);
+ } while (--loop > 0);
+ printk(BIOS_DEBUG, "loop=%d, *(base+0x44)=%08x\r\n", loop, dword);
}
-
-
}
+#endif
static void sata_init(struct device *dev)
{
-
- uint32_t dword;
-
+ uint32_t dword;
struct southbridge_nvidia_ck804_config *conf;
+
conf = dev->chip_info;
- dword = pci_read_config32(dev, 0x50);
- /* Ensure prefetch is disabled */
- dword &= ~((1 << 15) | (1 << 13));
- if (conf->sata1_enable) {
- /* Enable secondary SATA interface */
- dword |= (1<<0);
- printk_debug("SATA S \t");
- }
- if (conf->sata0_enable) {
- /* Enable primary SATA interface */
- dword |= (1<<1);
- printk_debug("SATA P \n");
- }
+ dword = pci_read_config32(dev, 0x50);
+ /* Ensure prefetch is disabled. */
+ dword &= ~((1 << 15) | (1 << 13));
+ if (conf->sata1_enable) {
+ /* Enable secondary SATA interface. */
+ dword |= (1 << 0);
+ printk(BIOS_DEBUG, "SATA S \t");
+ }
+ if (conf->sata0_enable) {
+ /* Enable primary SATA interface. */
+ dword |= (1 << 1);
+ printk(BIOS_DEBUG, "SATA P \n");
+ }
#if 0
-// write back
- dword |= (1<<12);
- dword |= (1<<14);
+ /* Write back */
+ dword |= (1 << 12);
+ dword |= (1 << 14);
#endif
#if 0
-// ADMA
- dword |= (1<<16);
- dword |= (1<<17);
+ /* ADMA */
+ dword |= (1 << 16);
+ dword |= (1 << 17);
#endif
-#if 1
-//DO NOT relay OK and PAGE_FRNDLY_DTXFR_CNT.
- dword &= ~(0x1f<<24);
- dword |= (0x15<<24);
+#if 1
+ /* DO NOT relay OK and PAGE_FRNDLY_DTXFR_CNT. */
+ dword &= ~(0x1f << 24);
+ dword |= (0x15 << 24);
#endif
- pci_write_config32(dev, 0x50, dword);
+ pci_write_config32(dev, 0x50, dword);
#if 0
-//SLUMBER_DURING_D3.
- dword = pci_read_config32(dev, 0x7c);
- dword &= ~(1<<4);
- pci_write_config32(dev, 0x7c, dword);
+ /* SLUMBER_DURING_D3 */
+ dword = pci_read_config32(dev, 0x7c);
+ dword &= ~(1 << 4);
+ pci_write_config32(dev, 0x7c, dword);
dword = pci_read_config32(dev, 0xd0);
- dword &= ~(0xff<<24);
- dword |= (0x68<<24);
+ dword &= ~(0xff << 24);
+ dword |= (0x68 << 24);
pci_write_config32(dev, 0xd0, dword);
- dword = pci_read_config32(dev, 0xe0);
- dword &= ~(0xff<<24);
- dword |= (0x68<<24);
+ dword = pci_read_config32(dev, 0xe0);
+ dword &= ~(0xff << 24);
+ dword |= (0x68 << 24);
pci_write_config32(dev, 0xe0, dword);
#endif
- dword = pci_read_config32(dev, 0xf8);
- dword |= 2;
- pci_write_config32(dev, 0xf8, dword);
+ dword = pci_read_config32(dev, 0xf8);
+ dword |= 2;
+ pci_write_config32(dev, 0xf8, dword);
-#if 0
+#if CK804_SATA_RESET_FOR_ATAPI
dword = pci_read_config32(dev, 0xac);
- dword &= ~((1<<13)|(1<<14));
- dword |= (1<<13)|(0<<14);
+ dword &= ~((1 << 13) | (1 << 14));
+ dword |= (1 << 13) | (0 << 14);
pci_write_config32(dev, 0xac, dword);
- sata_com_reset(dev, 1); // for discover some s-atapi device
+ sata_com_reset(dev, 1); /* For discover some s-atapi device. */
#endif
}
static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
- pci_write_config32(dev, 0x40,
- ((device & 0xffff) << 16) | (vendor & 0xffff));
+ pci_write_config32(dev, 0x40,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
}
+
static struct pci_operations lops_pci = {
- .set_subsystem = lpci_set_subsystem,
+ .set_subsystem = lpci_set_subsystem,
};
-static struct device_operations sata_ops = {
+static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
-// .enable = ck804_enable,
+ // .enable = ck804_enable,
.init = sata_init,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
-static struct pci_driver sata0_driver __pci_driver = {
+static const struct pci_driver sata0_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_NVIDIA,
.device = PCI_DEVICE_ID_NVIDIA_CK804_SATA0,
};
-static struct pci_driver sata1_driver __pci_driver = {
- .ops = &sata_ops,
- .vendor = PCI_VENDOR_ID_NVIDIA,
- .device = PCI_DEVICE_ID_NVIDIA_CK804_SATA1,
+static const struct pci_driver sata1_driver __pci_driver = {
+ .ops = &sata_ops,
+ .vendor = PCI_VENDOR_ID_NVIDIA,
+ .device = PCI_DEVICE_ID_NVIDIA_CK804_SATA1,
};
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