diff options
Diffstat (limited to 'src/mainboard/digitallogic/msm586seg/mainboard.c')
| -rw-r--r-- | src/mainboard/digitallogic/msm586seg/mainboard.c | 133 |
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, -}; |