u-boot/board/korat/korat.c
Stefan Roese 952e7760bf ppc4xx: Convert PPC4xx UIC defines from lower case to upper case
The latest PPC4xx register cleanup patch missed the UIC defines.
This patch now changes lower case UIC defines to upper case.

Signed-off-by: Stefan Roese <sr@denx.de>
2009-09-28 10:45:42 +02:00

802 lines
23 KiB
C

/*
* (C) Copyright 2007-2009
* Larry Johnson, lrj@acm.org
*
* (C) Copyright 2006-2007
* 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 <fdt_support.h>
#include <i2c.h>
#include <libfdt.h>
#include <ppc440.h>
#include <asm/bitops.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/ppc4xx-uic.h>
#include <asm/processor.h>
DECLARE_GLOBAL_DATA_PTR;
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
ulong flash_get_size(ulong base, int banknum);
#if defined(CONFIG_KORAT_PERMANENT)
void korat_buzzer(int const on)
{
if (on) {
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05,
in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05) | 0x80);
} else {
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05,
in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05) & ~0x80);
}
}
#endif
int board_early_init_f(void)
{
uint32_t sdr0_pfc1, sdr0_pfc2;
uint32_t reg;
int eth;
#if defined(CONFIG_KORAT_PERMANENT)
unsigned mscount;
extern void korat_branch_absolute(uint32_t addr);
for (mscount = 0; mscount < CONFIG_SYS_KORAT_MAN_RESET_MS; ++mscount) {
udelay(1000);
if (gpio_read_in_bit(CONFIG_SYS_GPIO_RESET_PRESSED_)) {
/* This call does not return. */
korat_branch_absolute(
CONFIG_SYS_FLASH1_TOP - 2 * CONFIG_ENV_SECT_SIZE - 4);
}
}
korat_buzzer(1);
while (!gpio_read_in_bit(CONFIG_SYS_GPIO_RESET_PRESSED_))
udelay(1000);
korat_buzzer(0);
#endif
mtdcr(EBC0_CFGADDR, EBC0_CFG);
mtdcr(EBC0_CFGDATA, 0xb8400000);
/*
* 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. Also enable PHY
* auto-detect until board-specific PHY resets are available.
*/
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02, 0xC0);
/* 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.
*/
for (eth = 0; eth < 2; ++eth) {
if (gpio_read_in_bit(CONFIG_SYS_GPIO_SFP0_PRESENT_ + eth)) {
/* SFP module not present: configure PHY for copper. */
/* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03,
in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03) |
0x06 << (4 * eth));
} else {
/* SFP module present: configure PHY for fiber and
enable output */
gpio_write_bit(CONFIG_SYS_GPIO_PHY0_FIBER_SEL + eth, 1);
gpio_write_bit(CONFIG_SYS_GPIO_SFP0_TX_EN_ + eth, 0);
}
}
/* enable Ethernet: set GPIO45 and GPIO46 to 1 */
gpio_write_bit(CONFIG_SYS_GPIO_PHY0_EN, 1);
gpio_write_bit(CONFIG_SYS_GPIO_PHY1_EN, 1);
/* Wait 1 ms, then enable Fiber signal detect to PHYs. */
udelay(1000);
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03,
in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03) | 0x88);
/* select Ethernet (and optionally IIC1) pins */
mfsdr(SDR0_PFC1, sdr0_pfc1);
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
SDR0_PFC1_SELECT_CONFIG_4;
#ifdef CONFIG_I2C_MULTI_BUS
sdr0_pfc1 |= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL);
#endif
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(SDR0_PCI0, reg);
mtsdr(SDR0_PCI0, 0x80000000 | reg);
return 0;
}
/*
* The boot flash on CS0 normally has its write-enable pin disabled, and so will
* not respond to CFI commands. This routine therefore fills in the flash
* information for the boot flash. (The flash at CS1 operates normally.)
*/
ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
{
uint32_t addr;
int i;
if (1 != banknum)
return 0;
info->size = CONFIG_SYS_FLASH0_SIZE;
info->sector_count = CONFIG_SYS_FLASH0_SIZE / 0x20000;
info->flash_id = 0x01000000;
info->portwidth = 2;
info->chipwidth = 2;
info->buffer_size = 32;
info->erase_blk_tout = 16384;
info->write_tout = 2;
info->buffer_write_tout = 5;
info->vendor = 2;
info->cmd_reset = 0x00F0;
info->interface = 2;
info->legacy_unlock = 0;
info->manufacturer_id = 1;
info->device_id = 0x007E;
#if CONFIG_SYS_FLASH0_SIZE == 0x01000000
info->device_id2 = 0x2101;
#elif CONFIG_SYS_FLASH0_SIZE == 0x04000000
info->device_id2 = 0x2301;
#else
#error Unable to set device_id2 for current CONFIG_SYS_FLASH0_SIZE
#endif
info->ext_addr = 0x0040;
info->cfi_version = 0x3133;
info->cfi_offset = 0x0055;
info->addr_unlock1 = 0x00000555;
info->addr_unlock2 = 0x000002AA;
info->name = "CFI conformant";
for (i = 0, addr = -info->size;
i < info->sector_count;
++i, addr += 0x20000) {
info->start[i] = addr;
info->protect[i] = 0x00;
}
return 1;
}
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_INFO_LENGTH + MAN_MAC_ADDR_LENGTH + 2];
if (getenv("serial#"))
return;
if (!man_data_read_field(s, MAN_INFO_FIELD, MAN_INFO_LENGTH))
return;
s[MAN_INFO_LENGTH] = '-';
if (!man_data_read_field(s + MAN_INFO_LENGTH + 1, MAN_MAC_ADDR_FIELD,
MAN_MAC_ADDR_LENGTH))
return;
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.
*/
#if MAN_MAC_ADDR_LENGTH % 2 != 0
#error MAN_MAC_ADDR_LENGTH must be an even number
#endif
char s[(3 * MAN_MAC_ADDR_LENGTH) / 2];
char *src;
char *dst;
if (0 != getenv("ethaddr") && 0 != getenv("eth1addr"))
return;
if (0 == man_data_read_field(s + (MAN_MAC_ADDR_LENGTH / 2) - 1,
MAN_MAC_ADDR_FIELD, MAN_MAC_ADDR_LENGTH))
return;
for (src = s + (MAN_MAC_ADDR_LENGTH / 2) - 1, dst = s; src != dst;) {
*dst++ = *src++;
*dst++ = *src++;
*dst++ = ':';
}
if (0 == getenv("ethaddr"))
setenv("ethaddr", s);
if (0 == getenv("eth1addr")) {
++s[((3 * MAN_MAC_ADDR_LENGTH) / 2) - 2];
setenv("eth1addr", s);
}
}
int misc_init_r(void)
{
uint32_t pbcr;
int size_val;
uint32_t reg;
unsigned long usb2d0cr = 0;
unsigned long usb2phy0cr, usb2h0cr = 0;
unsigned long sdr0_pfc1;
uint32_t const flash1_size = gd->bd->bi_flashsize - CONFIG_SYS_FLASH0_SIZE;
char const *const act = getenv("usbact");
char const *const usbcf = getenv("korat_usbcf");
/*
* Re-do FLASH1 sizing and adjust flash start and offset.
*/
gd->bd->bi_flashstart = CONFIG_SYS_FLASH1_TOP - flash1_size;
gd->bd->bi_flashoffset = 0;
mtdcr(EBC0_CFGADDR, PB1CR);
pbcr = mfdcr(EBC0_CFGDATA);
size_val = ffs(flash1_size) - 21;
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
mtdcr(EBC0_CFGADDR, PB1CR);
mtdcr(EBC0_CFGDATA, pbcr);
/*
* Re-check to get correct base address
*/
flash_get_size(gd->bd->bi_flashstart, 0);
/*
* Re-do FLASH1 sizing and adjust flash offset to reserve space for
* environment
*/
gd->bd->bi_flashoffset =
CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - CONFIG_SYS_FLASH1_ADDR;
mtdcr(EBC0_CFGADDR, PB1CR);
pbcr = mfdcr(EBC0_CFGDATA);
size_val = ffs(gd->bd->bi_flashsize - CONFIG_SYS_FLASH0_SIZE) - 21;
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
mtdcr(EBC0_CFGADDR, PB1CR);
mtdcr(EBC0_CFGDATA, pbcr);
/* Monitor protection ON by default */
#if defined(CONFIG_KORAT_PERMANENT)
(void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE,
CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
flash_info + 1);
#else
(void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE,
CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
flash_info);
#endif
/* Env protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR,
CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
flash_info);
(void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
flash_info);
/*
* USB suff...
*/
/*
* Select the USB controller on the 440EPx ("ppc") or on the PCI bus
* ("pci") for the CompactFlash.
*/
if (usbcf != NULL && (strcmp(usbcf, "ppc") == 0)) {
/*
* If environment variable "usbcf" is defined and set to "ppc",
* then connect the CompactFlash controller to the PowerPC USB
* port.
*/
printf("Attaching CompactFalsh controller to PPC USB\n");
out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02,
in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02) | 0x10);
} else {
if (usbcf != NULL && (strcmp(usbcf, "pci") != 0))
printf("Warning: \"korat_usbcf\" is not set to a legal "
"value (\"ppc\" or \"pci\")\n");
printf("Attaching CompactFalsh controller to PCI USB\n");
}
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;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
/*
* 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;
/*
* 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;
sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
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;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
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;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
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();
gpio_write_bit(CONFIG_SYS_GPIO_ATMEGA_RESET_, 1);
return 0;
}
int checkboard(void)
{
char const *const s = getenv("serial#");
u8 const rev = in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0);
printf("Board: Korat, Rev. %X", rev);
if (s)
printf(", serial# %s", s);
printf(".\n Ethernet PHY 0: ");
if (gpio_read_out_bit(CONFIG_SYS_GPIO_PHY0_FIBER_SEL))
printf("fiber");
else
printf("copper");
printf(", PHY 1: ");
if (gpio_read_out_bit(CONFIG_SYS_GPIO_PHY1_FIBER_SEL))
printf("fiber");
else
printf("copper");
printf(".\n");
#if defined(CONFIG_KORAT_PERMANENT)
printf(" Executing permanent copy of U-Boot.\n");
#endif
return 0;
}
#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
/*
* Assign interrupts to PCI devices.
*/
void korat_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
}
#endif
/*
* 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(SD0_AMP1, addr);
mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(PLB3_ACR);
mtdcr(PLB3_ACR, addr | 0x80000000);
/*
* Set priority for all PLB4 devices to 0.
*/
mfsdr(SD0_AMP0, addr);
mtsdr(SD0_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);
#if defined(CONFIG_PCI_PNP)
hose->fixup_irq = korat_pci_fixup_irq;
#endif
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(CONFIG_SYS_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 0x80000000-0xBFFFFFFF
* ==> PCI address 0x80000000-0xBFFFFFFF
* 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, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */
out32r(PCIX0_PMM0PCILA,
CONFIG_SYS_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,
CONFIG_SYS_PCI_MEMBASE + 0x20000000); /* PMM0 Local Address */
out32r(PCIX0_PMM1PCILA,
CONFIG_SYS_PCI_MEMBASE + 0x20000000); /* 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,
CONFIG_SYS_PCI_SUBSYS_VENDORID);
pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_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(CONFIG_SYS_PCI_TARGET_INIT) */
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_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 /* defined(CONFIG_PCI) */
#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 /* CONFIG_POST */
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
u32 val[4];
int rc;
ft_cpu_setup(blob, bd);
/* Fixup NOR mapping */
val[0] = 1; /* chip select number */
val[1] = 0; /* always 0 */
val[2] = gd->bd->bi_flashstart;
val[3] = gd->bd->bi_flashsize - CONFIG_SYS_FLASH0_SIZE;
rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
val, sizeof(val), 1);
if (rc)
printf("Unable to update property NOR mapping, err=%s\n",
fdt_strerror(rc));
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */