diff options
Diffstat (limited to 'board/pn62/misc.c')
| -rw-r--r-- | board/pn62/misc.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/board/pn62/misc.c b/board/pn62/misc.c deleted file mode 100644 index 98e0dfa..0000000 --- a/board/pn62/misc.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc824x.h> -#include <asm/io.h> -#include <pci.h> - -#include "pn62.h" - -typedef struct { - pci_dev_t devno; - volatile u32 *csr; - -} i2155x_t; - -static i2155x_t i2155x = { 0, NULL }; - -static struct pci_device_id i2155x_ids[] = { - { 0x1011, 0x0046 }, /* i21554 */ - { 0x8086, 0xb555 } /* i21555 */ -}; - -int i2155x_init(void) -{ - pci_dev_t devno; - u32 val; - int i; - - /* - * Find the Intel bridge. - */ - if ((devno = pci_find_devices(i2155x_ids, 0)) < 0) { - printf("Error: Intel bridge 2155x not found!\n"); - return -1; - } - i2155x.devno = devno; - - /* - * Get auto-configured base address for CSR access. - */ - pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &val); - if (val & PCI_BASE_ADDRESS_SPACE_IO) { - val &= PCI_BASE_ADDRESS_IO_MASK; - i2155x.csr = (volatile u32 *)(_IO_BASE + val); - } else { - val &= PCI_BASE_ADDRESS_MEM_MASK; - i2155x.csr = (volatile u32 *)val; - } - - /* - * Translate downstream memory 2 (bar3) to base of shared memory. - */ - i2155x_set_bar_base(3, PN62_SMEM_DEFAULT); - - /* - * Enable memory space, I/O space and bus master bits - * in both Primary and Secondary command registers. - */ - val = PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER|PCI_COMMAND_IO; - pci_write_config_word(devno, 0x44, val); - pci_write_config_word(devno, 0x04, val); - - /* - * Clear scratchpad registers. - */ - for (i = 0; i < (I2155X_SCRAPAD_MAX - 1); i++) { - i2155x_write_scrapad(i, 0x0); - } - - /* - * Set interrupt line for Linux. - */ - pci_write_config_byte(devno, PCI_INTERRUPT_LINE, 3); - - return 0; -} - -/* - * Access the Scratchpad registers 0..7 of the Intel bridge. - */ -void i2155x_write_scrapad(int idx, u32 val) -{ - if (idx >= 0 && idx < I2155X_SCRAPAD_MAX) - out_le32(i2155x.csr + (I2155X_SCRAPAD_ADDR/4) + idx, val); - else - printf("i2155x_write_scrapad: invalid index\n"); -} - -u32 i2155x_read_scrapad(int idx) -{ - if (idx >= 0 && idx < I2155X_SCRAPAD_MAX) - return in_le32(i2155x.csr + (I2155X_SCRAPAD_ADDR/4) + idx); - else - printf("i2155x_read_scrapad: invalid index\n"); - return -1; -} - -void i2155x_set_bar_base(int bar, u32 base) -{ - if (bar >= 2 && bar <= 4) { - pci_write_config_dword(i2155x.devno, - I2155X_BAR2_BASE + (bar - 2) * 4, - base); - } -} - -/* - * Read Vital Product Data (VPD) from the Serial EPROM attached - * to the Intel bridge. - */ -int i2155x_read_vpd(int offset, int size, unsigned char *data) -{ - int i, n; - u16 val16; - - for (i = 0; i < size; i++) { - pci_write_config_word(i2155x.devno, I2155X_VPD_ADDR, - offset + i - I2155X_VPD_START); - for (n = 10000; n > 0; n--) { - pci_read_config_word(i2155x.devno, I2155X_VPD_ADDR, &val16); - if ((val16 & 0x8000) != 0) /* wait for completion */ - break; - udelay(100); - } - if (n == 0) { - printf("i2155x_read_vpd: TIMEOUT\n"); - return -1; - } - - pci_read_config_byte(i2155x.devno, I2155X_VPD_DATA, &data[i]); - } - - return i; -} - -static struct pci_device_id am79c95x_ids [] = { - { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LANCE }, - { } -}; - - -/* - * Initialize the AMD ethernet controllers. - */ -int am79c95x_init(void) -{ - pci_dev_t devno; - int i; - - /* - * Set interrupt line for Linux. - */ - for (i = 0; i < 2; i++) { - if ((devno = pci_find_devices(am79c95x_ids, i)) < 0) - break; - pci_write_config_byte(devno, PCI_INTERRUPT_LINE, 2+i); - } - if (i < 2) - printf("Error: Only %d AMD Ethernet Controller found!\n", i); - - return 0; -} - - -void set_led(unsigned int number, unsigned int function) -{ - volatile u8 *addr; - - if ((number >= 0) && (number < PN62_LED_MAX) && - (function >= 0) && (function <= LED_LAST_FUNCTION)) { - addr = (volatile u8 *)(PN62_LED_BASE + number * 8); - out_8(addr, function&0xff); - } -} - -/* - * Show fatal error indicated by Kinght Rider(tm) effect - * in LEDS 0-7. LEDS 8-11 contain 4 bit error code. - * Note: this function will not terminate. - */ -void fatal_error(unsigned int error_code) -{ - int i, d; - - for (i = 0; i < 12; i++) { - set_led(i, LED_0); - } - - /* - * Write error code. - */ - set_led(8, (error_code & 0x01) ? LED_1 : LED_0); - set_led(9, (error_code & 0x02) ? LED_1 : LED_0); - set_led(10, (error_code & 0x04) ? LED_1 : LED_0); - set_led(11, (error_code & 0x08) ? LED_1 : LED_0); - - /* - * Yay - Knight Rider effect! - */ - while(1) { - unsigned int delay = 2000; - - for (i = 0; i < 8; i++) { - set_led(i, LED_1); - for (d = 0; d < delay; d++); - set_led(i, LED_0); - } - - for (i = 7; i > 0; i--) { - set_led(i, LED_1); - for (d = 0; d < delay; d++); - set_led(i, LED_0); - } - } -} |