--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Larry Johnson, lrj@acm.org
+ *
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * (C) Copyright 2006
+ * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
+ * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm-ppc/io.h>
+#include <i2c.h>
+#include <ppc440.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+ulong flash_get_size(ulong base, int banknum);
+
+int board_early_init_f(void)
+{
+ u32 sdr0_pfc1, sdr0_pfc2;
+ u32 gpio0_ir;
+ u32 reg;
+ int eth;
+
+ mtdcr(ebccfga, xbcfg);
+ mtdcr(ebccfgd, 0xb8400000);
+
+ /*--------------------------------------------------------------------
+ * Setup the GPIO pins
+ *
+ * Korat GPIO usage:
+ *
+ * Init.
+ * Pin Source I/O value Function
+ * ------ ------ --- ----- ---------------------------------
+ * GPIO00 Alt1 I/O x PerAddr07
+ * GPIO01 Alt1 I/O x PerAddr06
+ * GPIO02 Alt1 I/O x PerAddr05
+ * GPIO03 GPIO x x GPIO03 to expansion bus connector
+ * GPIO04 GPIO x x GPIO04 to expansion bus connector
+ * GPIO05 GPIO x x GPIO05 to expansion bus connector
+ * GPIO06 Alt1 O x PerCS1 (2nd NOR flash)
+ * GPIO07 Alt1 O x PerCS2 (CPLD)
+ * GPIO08 Alt1 O x PerCS3 to expansion bus connector
+ * GPIO09 Alt1 O x PerCS4 to expansion bus connector
+ * GPIO10 Alt1 O x PerCS5 to expansion bus connector
+ * GPIO11 Alt1 I x PerErr
+ * GPIO12 GPIO O 0 ATMega !Reset
+ * GPIO13 GPIO O 1 SPI Atmega !SS
+ * GPIO14 GPIO O 1 Write protect EEPROM #1 (0xA8)
+ * GPIO15 GPIO O 0 CPU Run LED !On
+ * GPIO16 Alt1 O x GMC1TxD0
+ * GPIO17 Alt1 O x GMC1TxD1
+ * GPIO18 Alt1 O x GMC1TxD2
+ * GPIO19 Alt1 O x GMC1TxD3
+ * GPIO20 Alt1 O x RejectPkt0
+ * GPIO21 Alt1 O x RejectPkt1
+ * GPIO22 GPIO I x PGOOD_DDR
+ * GPIO23 Alt1 O x SCPD0
+ * GPIO24 Alt1 O x GMC0TxD2
+ * GPIO25 Alt1 O x GMC0TxD3
+ * GPIO26 GPIO? I/O x IIC0SDA (selected in SDR0_PFC4)
+ * GPIO27 GPIO O 0 PHY #0 1000BASE-X
+ * GPIO28 GPIO O 0 PHY #1 1000BASE-X
+ * GPIO29 GPIO I x Test jumper !Present
+ * GPIO30 GPIO I x SFP module #0 !Present
+ * GPIO31 GPIO I x SFP module #1 !Present
+ *
+ * GPIO32 GPIO O 1 SFP module #0 Tx !Enable
+ * GPIO33 GPIO O 1 SFP module #1 Tx !Enable
+ * GPIO34 Alt2 I x !UART1_CTS
+ * GPIO35 Alt2 O x !UART1_RTS
+ * GPIO36 Alt1 I x !UART0_CTS
+ * GPIO37 Alt1 O x !UART0_RTS
+ * GPIO38 Alt2 O x UART1_Tx
+ * GPIO39 Alt2 I x UART1_Rx
+ * GPIO40 Alt1 I x IRQ0 (Ethernet 0)
+ * GPIO41 Alt1 I x IRQ1 (Ethernet 1)
+ * GPIO42 Alt1 I x IRQ2 (PCI interrupt)
+ * GPIO43 Alt1 I x IRQ3 (System Alert from CPLD)
+ * GPIO44 xxxx x x (grounded through pulldown)
+ * GPIO45 GPIO O 0 PHY #0 Enable
+ * GPIO46 GPIO O 0 PHY #1 Enable
+ * GPIO47 GPIO I x Reset switch !Pressed
+ * GPIO48 GPIO I x Shutdown switch !Pressed
+ * GPIO49 xxxx x x (reserved for trace port)
+ * . . . . .
+ * . . . . .
+ * . . . . .
+ * GPIO63 xxxx x x (reserved for trace port)
+ *-------------------------------------------------------------------*/
+
+ out_be32((u32 *) GPIO0_OR, 0x00060000);
+ out_be32((u32 *) GPIO1_OR, 0xC0000000);
+
+ out_be32((u32 *) GPIO0_OSRL, 0x54055400);
+ out_be32((u32 *) GPIO0_OSRH, 0x55015000);
+ out_be32((u32 *) GPIO1_OSRL, 0x02180000);
+ out_be32((u32 *) GPIO1_OSRH, 0x00000000);
+
+ out_be32((u32 *) GPIO0_TSRL, 0x54055500);
+ out_be32((u32 *) GPIO0_TSRH, 0x00015000);
+ out_be32((u32 *) GPIO1_TSRL, 0x00000000);
+ out_be32((u32 *) GPIO1_TSRH, 0x00000000);
+
+ out_be32((u32 *) GPIO0_TCR, 0x000FF0D8);
+ out_be32((u32 *) GPIO1_TCR, 0xD6060000);
+
+ out_be32((u32 *) GPIO0_ISR1L, 0x54000100);
+ out_be32((u32 *) GPIO0_ISR1H, 0x00500000);
+ out_be32((u32 *) GPIO1_ISR1L, 0x00405500);
+ out_be32((u32 *) GPIO1_ISR1H, 0x00000000);
+
+ out_be32((u32 *) GPIO0_ISR2L, 0x00000000);
+ out_be32((u32 *) GPIO0_ISR2H, 0x00000000);
+ out_be32((u32 *) GPIO1_ISR2L, 0x04010000);
+ out_be32((u32 *) GPIO1_ISR2H, 0x00000000);
+
+ out_be32((u32 *) GPIO0_ISR3L, 0x00000000);
+ out_be32((u32 *) GPIO0_ISR3H, 0x00000000);
+ out_be32((u32 *) GPIO1_ISR3L, 0x00000000);
+ out_be32((u32 *) GPIO1_ISR3H, 0x00000000);
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ mtdcr(uic0sr, 0xffffffff); /* clear all */
+ mtdcr(uic0er, 0x00000000); /* disable all */
+ mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
+ mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
+ mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
+ mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(uic0sr, 0xffffffff); /* clear all */
+
+ mtdcr(uic1sr, 0xffffffff); /* clear all */
+ mtdcr(uic1er, 0x00000000); /* disable all */
+ mtdcr(uic1cr, 0x00000000); /* all non-critical */
+ mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
+ mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
+ mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(uic1sr, 0xffffffff); /* clear all */
+
+ mtdcr(uic2sr, 0xffffffff); /* clear all */
+ mtdcr(uic2er, 0x00000000); /* disable all */
+ mtdcr(uic2cr, 0x00000000); /* all non-critical */
+ mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
+ mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
+ mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(uic2sr, 0xffffffff); /* clear all */
+
+ /* take sim card reader and CF controller out of reset */
+ out_8((u8 *) CFG_CPLD_BASE + 0x04, 0x80);
+
+ /* Configure the two Ethernet PHYs. For each PHY, configure for fiber
+ * if the SFP module is present, and for copper if it is not present.
+ */
+ gpio0_ir = in_be32((u32 *) GPIO0_IR);
+ for (eth = 0; eth < 2; ++eth) {
+ if (gpio0_ir & (0x00000001 << (1 - eth))) {
+ /* SFP module not present: configure PHY for copper. */
+ /* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */
+ out_8((u8 *) CFG_CPLD_BASE + 0x06,
+ in_8((u8 *) CFG_CPLD_BASE + 0x06) |
+ 0x06 << (4 * eth));
+ } else {
+ /* SFP module present: configure PHY for fiber and
+ enable output */
+ out_be32((u32 *) GPIO0_OR, in_be32((u32 *) GPIO0_OR) |
+ (0x00000001 << (4 - eth)));
+ out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) &
+ ~(0x00000001 << (31 - eth)));
+ }
+ }
+ /* enable Ethernet: set GPIO45 and GPIO46 to 1 */
+ out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) | 0x00060000);
+
+ /* select Ethernet pins */
+ mfsdr(SDR0_PFC1, sdr0_pfc1);
+ sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
+ SDR0_PFC1_SELECT_CONFIG_4;
+ mfsdr(SDR0_PFC2, sdr0_pfc2);
+ sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
+ SDR0_PFC2_SELECT_CONFIG_4;
+ mtsdr(SDR0_PFC2, sdr0_pfc2);
+ mtsdr(SDR0_PFC1, sdr0_pfc1);
+
+ /* PCI arbiter enabled */
+ mfsdr(sdr_pci0, reg);
+ mtsdr(sdr_pci0, 0x80000000 | reg);
+
+ return 0;
+}
+
+static int man_data_read(unsigned int addr)
+{
+ /*
+ * Read an octet of data from address "addr" in the manufacturer's
+ * information serial EEPROM, or -1 on error.
+ */
+ u8 data[2];
+
+ if (0 != i2c_probe(MAN_DATA_EEPROM_ADDR) ||
+ 0 != i2c_read(MAN_DATA_EEPROM_ADDR, addr, 1, data, 1)) {
+ debug("man_data_read(0x%02X) failed\n", addr);
+ return -1;
+ }
+ debug("man_info_read(0x%02X) returned 0x%02X\n", addr, data[0]);
+ return data[0];
+}
+
+static unsigned int man_data_field_addr(unsigned int const field)
+{
+ /*
+ * The manufacturer's information serial EEPROM contains a sequence of
+ * zero-delimited fields. Return the starting address of field "field",
+ * or 0 on error.
+ */
+ unsigned addr, i;
+
+ if (0 == field || 'A' != man_data_read(0) || '\0' != man_data_read(1))
+ /* Only format "A" is currently supported */
+ return 0;
+
+ for (addr = 2, i = 1; i < field && addr < 256; ++addr) {
+ if ('\0' == man_data_read(addr))
+ ++i;
+ }
+ return (addr < 256) ? addr : 0;
+}
+
+static char *man_data_read_field(char s[], unsigned const field,
+ unsigned const length)
+{
+ /*
+ * Place the null-terminated contents of field "field" of length
+ * "length" from the manufacturer's information serial EEPROM into
+ * string "s[length + 1]" and return a pointer to s, or return 0 on
+ * error. In either case the original contents of s[] is not preserved.
+ */
+ unsigned addr, i;
+
+ addr = man_data_field_addr(field);
+ if (0 == addr || addr + length >= 255)
+ return 0;
+
+ for (i = 0; i < length; ++i) {
+ int const c = man_data_read(addr++);
+
+ if (c <= 0)
+ return 0;
+
+ s[i] = (char)c;
+ }
+ if (0 != man_data_read(addr))
+ return 0;
+
+ s[i] = '\0';
+ return s;
+}
+
+static void set_serial_number(void)
+{
+ /*
+ * If the environmental variable "serial#" is not set, try to set it
+ * from the manufacturer's information serial EEPROM.
+ */
+ char s[MAN_SERIAL_NO_LENGTH + 1];
+
+ if (0 == getenv("serial#") &&
+ 0 != man_data_read_field(s, MAN_SERIAL_NO_FIELD,
+ MAN_SERIAL_NO_LENGTH))
+ setenv("serial#", s);
+}
+
+static void set_mac_addresses(void)
+{
+ /*
+ * If the environmental variables "ethaddr" and/or "eth1addr" are not
+ * set, try to set them from the manufacturer's information serial
+ * EEPROM.
+ */
+ char s[MAN_MAC_ADDR_LENGTH + 1];
+
+ if (0 != getenv("ethaddr") && 0 != getenv("eth1addr"))
+ return;
+
+ if (0 == man_data_read_field(s, MAN_MAC_ADDR_FIELD,
+ MAN_MAC_ADDR_LENGTH))
+ return;
+
+ if (0 == getenv("ethaddr"))
+ setenv("ethaddr", s);
+
+ if (0 == getenv("eth1addr")) {
+ ++s[MAN_MAC_ADDR_LENGTH - 1];
+ setenv("eth1addr", s);
+ }
+}
+
+/*---------------------------------------------------------------------------+
+ | misc_init_r.
+ +---------------------------------------------------------------------------*/
+int misc_init_r(void)
+{
+ uint pbcr;
+ int size_val = 0;
+ u32 reg;
+ unsigned long usb2d0cr = 0;
+ unsigned long usb2phy0cr, usb2h0cr = 0;
+ unsigned long sdr0_pfc1;
+ char *act = getenv("usbact");
+
+ /*
+ * FLASH stuff...
+ */
+
+ /* Re-do sizing to get full correct info */
+
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ mtdcr(ebccfga, pb0cr);
+ pbcr = mfdcr(ebccfgd);
+ switch (gd->bd->bi_flashsize) {
+ case 1 << 20:
+ size_val = 0;
+ break;
+ case 2 << 20:
+ size_val = 1;
+ break;
+ case 4 << 20:
+ size_val = 2;
+ break;
+ case 8 << 20:
+ size_val = 3;
+ break;
+ case 16 << 20:
+ size_val = 4;
+ break;
+ case 32 << 20:
+ size_val = 5;
+ break;
+ case 64 << 20:
+ size_val = 6;
+ break;
+ case 128 << 20:
+ size_val = 7;
+ break;
+ }
+ pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+ mtdcr(ebccfga, pb0cr);
+ mtdcr(ebccfgd, pbcr);
+
+ /*
+ * Re-check to get correct base address
+ */
+ flash_get_size(gd->bd->bi_flashstart, 0);
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff,
+ &flash_info[0]);
+
+ /* Env protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + 2 * CFG_ENV_SECT_SIZE - 1,
+ &flash_info[0]);
+
+ /*
+ * USB suff...
+ */
+ if (act == NULL || strcmp(act, "hostdev") == 0) {
+ /* SDR Setting */
+ mfsdr(SDR0_PFC1, sdr0_pfc1);
+ mfsdr(SDR0_USB2D0CR, usb2d0cr);
+ mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+ mfsdr(SDR0_USB2H0CR, usb2h0cr);
+
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
+
+ /* An 8-bit/60MHz interface is the only possible alternative
+ when connecting the Device to the PHY */
+ usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1 */
+
+ /* To enable the USB 2.0 Device function through the UTMI interface */
+ usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1 */
+
+ sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0 */
+
+ mtsdr(SDR0_PFC1, sdr0_pfc1);
+ mtsdr(SDR0_USB2D0CR, usb2d0cr);
+ mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+ mtsdr(SDR0_USB2H0CR, usb2h0cr);
+
+ /*clear resets */
+ udelay(1000);
+ mtsdr(SDR0_SRST1, 0x00000000);
+ udelay(1000);
+ mtsdr(SDR0_SRST0, 0x00000000);
+
+ printf("USB: Host(int phy) Device(ext phy)\n");
+
+ } else if (strcmp(act, "dev") == 0) {
+ /*-------------------PATCH-------------------------------*/
+ mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
+ mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+
+ udelay(1000);
+ mtsdr(SDR0_SRST1, 0x672c6000);
+
+ udelay(1000);
+ mtsdr(SDR0_SRST0, 0x00000080);
+
+ udelay(1000);
+ mtsdr(SDR0_SRST1, 0x60206000);
+
+ *(unsigned int *)(0xe0000350) = 0x00000001;
+
+ udelay(1000);
+ mtsdr(SDR0_SRST1, 0x60306000);
+ /*-------------------PATCH-------------------------------*/
+
+ /* SDR Setting */
+ mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+ mfsdr(SDR0_USB2H0CR, usb2h0cr);
+ mfsdr(SDR0_USB2D0CR, usb2d0cr);
+ mfsdr(SDR0_PFC1, sdr0_pfc1);
+
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0 */
+ usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0 */
+
+ usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0 */
+
+ usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0 */
+
+ sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1 */
+
+ mtsdr(SDR0_USB2H0CR, usb2h0cr);
+ mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+ mtsdr(SDR0_USB2D0CR, usb2d0cr);
+ mtsdr(SDR0_PFC1, sdr0_pfc1);
+
+ /*clear resets */
+ udelay(1000);
+ mtsdr(SDR0_SRST1, 0x00000000);
+ udelay(1000);
+ mtsdr(SDR0_SRST0, 0x00000000);
+
+ printf("USB: Device(int phy)\n");
+ }
+
+ mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
+ reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
+ mtsdr(SDR0_SRST1, reg);
+
+ /*
+ * Clear PLB4A0_ACR[WRP]
+ * This fix will make the MAL burst disabling patch for the Linux
+ * EMAC driver obsolete.
+ */
+ reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
+ mtdcr(plb4_acr, reg);
+
+ set_serial_number();
+ set_mac_addresses();
+ return 0;
+}
+
+int checkboard(void)
+{
+ char const *const s = getenv("serial#");
+ u8 const rev = in_8((u8 *) CFG_CPLD_BASE + 0);
+ u32 const gpio0_or = in_be32((u32 *) GPIO0_OR);
+
+ printf("Board: Korat, Rev. %X", rev);
+ if (s != NULL)
+ printf(", serial# %s", s);
+
+ printf(", Ethernet PHY 0: ");
+ if (gpio0_or & 0x00000010)
+ printf("fiber");
+ else
+ printf("copper");
+
+ printf(", PHY 1: ");
+ if (gpio0_or & 0x00000008)
+ printf("fiber");
+ else
+ printf("copper");
+
+ printf(".\n");
+ return (0);
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram(void)
+{
+ unsigned long *mem = (unsigned long *)0;
+ const unsigned long kend = (1024 / sizeof(unsigned long));
+ unsigned long k, n;
+
+ mtmsr(0);
+
+ /* TODO: find correct size of SDRAM */
+ for (k = 0; k < CFG_MBYTES_SDRAM;
+ ++k, mem += (1024 / sizeof(unsigned long))) {
+ if ((k & 1023) == 0)
+ printf("%3d MB\r", k / 1024);
+
+ memset(mem, 0xaaaaaaaa, 1024);
+ for (n = 0; n < kend; ++n) {
+ if (mem[n] != 0xaaaaaaaa) {
+ printf("SDRAM test fails at: %08x\n",
+ (uint) & mem[n]);
+ return 1;
+ }
+ }
+
+ memset(mem, 0x55555555, 1024);
+ for (n = 0; n < kend; ++n) {
+ if (mem[n] != 0x55555555) {
+ printf("SDRAM test fails at: %08x\n",
+ (uint) & mem[n]);
+ return 1;
+ }
+ }
+ }
+ printf("SDRAM test passes\n");
+ return 0;
+}
+#endif /* defined(CFG_DRAM_TEST) */
+
+/*************************************************************************
+ * pci_pre_init
+ *
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
+ *
+ * Different boards may wish to customize the pci controller structure
+ * (add regions, override default access routines, etc) or perform
+ * certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int pci_pre_init(struct pci_controller *hose)
+{
+ unsigned long addr;
+
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB3 devices to 0.
+ | Set PLB3 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
+ mfsdr(sdr_amp1, addr);
+ mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
+ addr = mfdcr(plb3_acr);
+ mtdcr(plb3_acr, addr | 0x80000000);
+
+ /*-------------------------------------------------------------------------+
+ | Set priority for all PLB4 devices to 0.
+ +-------------------------------------------------------------------------*/
+ mfsdr(sdr_amp0, addr);
+ mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
+ addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
+ mtdcr(plb4_acr, addr);
+
+ /*-------------------------------------------------------------------------+
+ | Set Nebula PLB4 arbiter to fair mode.
+ +-------------------------------------------------------------------------*/
+ /* Segment0 */
+ addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
+ addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
+ addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
+ addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
+ mtdcr(plb0_acr, addr);
+
+ /* Segment1 */
+ addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
+ addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
+ addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
+ addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
+ mtdcr(plb1_acr, addr);
+
+ return 1;
+}
+#endif /* defined(CONFIG_PCI) */
+
+/*************************************************************************
+ * pci_target_init
+ *
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+ /*--------------------------------------------------------------------------+
+ * Set up Direct MMIO registers
+ *--------------------------------------------------------------------------*/
+ /*--------------------------------------------------------------------------+
+ | PowerPC440EPX PCI Master configuration.
+ | Map one 1Gig range of PLB/processor addresses to PCI memory space.
+ | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
+ | Use byte reversed out routines to handle endianess.
+ | Make this region non-prefetchable.
+ +--------------------------------------------------------------------------*/
+ out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
+ out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
+ out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
+ out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+
+ out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
+ out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
+ out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
+ out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
+ out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
+
+ out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
+ out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
+
+ /*--------------------------------------------------------------------------+
+ * Set up Configuration registers
+ *--------------------------------------------------------------------------*/
+
+ /* Program the board's subsystem id/vendor id */
+ pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+ CFG_PCI_SUBSYS_VENDORID);
+ pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
+
+ /* Configure command register as bus master */
+ pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+
+ /* 240nS PCI clock */
+ pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+
+ /* No error reporting */
+ pci_write_config_word(0, PCI_ERREN, 0);
+
+ pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
+
+ /*--------------------------------------------------------------------------+
+ * Set up Configuration registers for on-board NEC uPD720101 USB controller
+ *--------------------------------------------------------------------------*/
+ pci_write_config_dword(PCI_BDF(0x0, 0xC, 0x0), 0xE4, 0x00000020);
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ * pci_master_init
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
+void pci_master_init(struct pci_controller *hose)
+{
+ unsigned short temp_short;
+
+ /*--------------------------------------------------------------------------+
+ | Write the PowerPC440 EP PCI Configuration regs.
+ | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+ | Enable PowerPC440 EP to act as a PCI memory target (PTM).
+ +--------------------------------------------------------------------------*/
+ pci_read_config_word(0, PCI_COMMAND, &temp_short);
+ pci_write_config_word(0, PCI_COMMAND,
+ temp_short | PCI_COMMAND_MASTER |
+ PCI_COMMAND_MEMORY);
+}
+#endif
+
+/*************************************************************************
+ * is_pci_host
+ *
+ * This routine is called to determine if a pci scan should be
+ * performed. With various hardware environments (especially cPCI and
+ * PPMC) it's insufficient to depend on the state of the arbiter enable
+ * bit in the strap register, or generic host/adapter assumptions.
+ *
+ * Rather than hard-code a bad assumption in the general 440 code, the
+ * 440 pci code requires the board to decide at runtime.
+ *
+ * Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+ /* Korat is always configured as host. */
+ return (1);
+}
+#endif
+
+#if defined(CONFIG_POST)
+/*
+ * Returns 1 if keys pressed to start the power-on long-running tests
+ * Called from board_init_f().
+ */
+int post_hotkeys_pressed(void)
+{
+ return 0; /* No hotkeys supported */
+}
+#endif
projects / karo-tx-uboot.git / commitdiff