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Diffstat (limited to 'src/mainboard/digitallogic/msm586seg/mainboard.c')
-rw-r--r--src/mainboard/digitallogic/msm586seg/mainboard.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/mainboard/digitallogic/msm586seg/mainboard.c b/src/mainboard/digitallogic/msm586seg/mainboard.c
deleted file mode 100644
index 0310176cb3..0000000000
--- a/src/mainboard/digitallogic/msm586seg/mainboard.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <cpu/amd/sc520.h>
-
-
-static void irqdump(void)
-{
- volatile unsigned char *irq;
- void *mmcr;
- int i;
- int irqlist[] = {0xd00, 0xd02, 0xd03, 0xd04, 0xd08, 0xd0a,
- 0xd14, 0xd18, 0xd1a, 0xd1b, 0xd1c,
- 0xd20, 0xd21, 0xd22, 0xd28, 0xd29,
- 0xd30, 0xd31, 0xd32, 0xd33,
- 0xd40, 0xd41, 0xd42, 0xd43,0xd44, 0xd45, 0xd46,
- 0xd50, 0xd51, 0xd52, 0xd53,0xd54, 0xd55, 0xd56, 0xd57,0xd58, 0xd59, 0xd5a,
- -1};
- mmcr = (void *) 0xfffef000;
-
- printk(BIOS_ERR, "mmcr is %p\n", mmcr);
- for(i = 0; irqlist[i] >= 0; i++) {
- irq = mmcr + irqlist[i];
- printk(BIOS_ERR, "0x%x register @%p is 0x%x\n", irqlist[i], irq, *irq);
- }
-
-}
-
-/* TODO: finish up mmcr struct in sc520.h, and;
- - set ADDDECTL (now done in raminit.c in cpu/amd/sc520
-*/
-static void mainboard_enable(struct device *dev)
-{
- //volatile struct mmcrpic *pic = MMCRPIC;
- volatile struct mmcr *mmcr = MMCRDEFAULT;
-
- /* msm586seg has this register set to a weird value.
- * follow the board, not the manual!
- */
-
- /* currently, nothing in the device to use, so ignore it. */
- printk(BIOS_ERR, "digital logic msm586 seg ENTER %s\n", __func__);
-
-
- /* from fuctory bios */
- /* NOTE: the following interrupt settings made interrupts work
- * for hard drive, and serial, but not for ethernet
- */
- /* just do what they say and nobody gets hurt. */
- mmcr->pic.pcicr = 0 ; // M_GINT_MODE | M_S1_MODE | M_S2_MODE;
- /* all ints to level */
- mmcr->pic.mpicmode = 0;
- mmcr->pic.sl1picmode = 0;
- mmcr->pic.sl2picmode = 0x80;
-
- mmcr->pic.intpinpol = 0;
-
- mmcr->pic.pit0map = 1;
- mmcr->pic.uart1map = 0xc;
- mmcr->pic.uart2map = 0xb;
- mmcr->pic.rtcmap = 3;
- mmcr->pic.ferrmap = 8;
- mmcr->pic.gp0imap = 6;
- mmcr->pic.gp1imap = 2;
- mmcr->pic.gp2imap = 7;
- mmcr->pic.gp6imap = 0x15;
- mmcr->pic.gp7imap = 0x16;
- mmcr->pic.gp10imap = 0x9;
- mmcr->pic.gp9imap = 0x4;
-
- irqdump();
- printk(BIOS_ERR, "uart 1 ctl is 0x%x\n", *(unsigned char *) 0xfffefcc0);
-
- printk(BIOS_ERR, "0xc20 ctl is 0x%x\n", *(unsigned short *) 0xfffefc20);
- printk(BIOS_ERR, "0xc22 0x%x\n", *(unsigned short *) 0xfffefc22);
-
- /* The following block has NOT proven sufficient to get
- * the VGA hardware to talk to us
- */
- /* let's set some mmcr stuff per the BIOS settings */
- mmcr->dbctl.dbctl = 0x10;
- mmcr->sysarb.ctl = 6;
- mmcr->sysarb.menb = 0xf;
- mmcr->sysarb.prictl = 0xc0000f0f;
- /* this is bios setting, depends on sysarb above */
- mmcr->hostbridge.ctl = 0x108;
- printk(BIOS_ERR, "digital logic msm586 seg EXIT %s\n", __func__);
-
- /* pio */
- mmcr->pio.data31_16 = 0xffbf;
-
- /* pci stuff */
- mmcr->pic.pciintamap = 0xa;
-
- /* END block where vga hardware still will not talk to us */
- /* all we get from VGA I/O addresses are ffff etc.
- */
- mmcr->sysmap.adddecctl = 0x10;
-
- /* VGA now talks to us, so this adddecctl was the trick.
- * still no interrupts from enet.
- * Let's try fixing the piodata stuff, as there may be
- * some wire there not documented.
- */
- mmcr->pio.data31_16 = 0xffbf;
- /* also, our sl?picmode needs to match fuctory bios */
- mmcr->pic.sl1picmode = 0x80;
- mmcr->pic.sl2picmode = 0x0;
- /* and, finally, they do set gp5imap and we don't.
- */
- mmcr->pic.gp5imap = 0xd;
- /* remaining problem: almost certainly, the irq table is bogus
- * NO SHOCK as it came from fuctory bios.
- * but let's try these 4 changes for now and see what shakes.
- */
- /* still not interrupts. */
- /* their IRQ table is wrong. Just hardwire it */
- {
- unsigned char pciints[4] = {15, 15, 15, 15};
- pci_assign_irqs(0, 12, pciints);
- }
- /* the assigned failed but we just noticed -- there is no
- * dma mapping, and selftest on e100 requires that dma work
- */
- /* follow fuctory here */
- mmcr->dmacontrol.extchanmapa = 0x3210;
-}
-
-struct chip_operations mainboard_ops = {
- .enable_dev = mainboard_enable,
-};