--- /dev/null
+/*
+ * Copyright (C) 2004 PaulReynolds@lhsolutions.com
+ *
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <spd_sdram.h>
+#include <asm/ppc4xx-emac.h>
+#include <netdev.h>
+
+#ifdef CONFIG_SYS_INIT_SHOW_RESET_REG
+void show_reset_reg(void);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int lcd_init(void);
+
+int board_early_init_f (void)
+{
+ unsigned long reg;
+ volatile unsigned int *GpioOdr;
+ volatile unsigned int *GpioTcr;
+ volatile unsigned int *GpioOr;
+
+ /*-------------------------------------------------------------------------+
+ | Initialize EBC CONFIG
+ +-------------------------------------------------------------------------*/
+ mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK |
+ EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
+ EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
+ EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_DEFAULT |
+ EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
+
+ /*-------------------------------------------------------------------------+
+ | 64MB FLASH. Initialize bank 0 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(PB0AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(15) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
+ EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
+ EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) |
+ EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_32BIT);
+
+ /*-------------------------------------------------------------------------+
+ | FPGA. Initialize bank 1 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(PB1AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(5) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
+ EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
+ EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x41000000) |
+ EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
+
+ /*-------------------------------------------------------------------------+
+ | LCM. Initialize bank 2 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(PB2AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(64) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
+ EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
+ EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(0x42000000) |
+ EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+ /*-------------------------------------------------------------------------+
+ | TMP. Initialize bank 3 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(PB3AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(128) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
+ EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
+ EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(PB3CR, EBC_BXCR_BAS_ENCODE(0x48000000) |
+ EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+ /*-------------------------------------------------------------------------+
+ | Connector 4~7. Initialize bank 3~ 7 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(PB4AP,0);
+ mtebc(PB4CR,0);
+ mtebc(PB5AP,0);
+ mtebc(PB5CR,0);
+ mtebc(PB6AP,0);
+ mtebc(PB6CR,0);
+ mtebc(PB7AP,0);
+ mtebc(PB7CR,0);
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
+ mtdcr (UIC1SR, 0xffffffff); /* clear all */
+ mtdcr (UIC1ER, 0x00000000); /* disable all */
+ mtdcr (UIC1CR, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (UIC1PR, 0xfffffe13); /* per ref-board manual */
+ mtdcr (UIC1TR, 0x01c00008); /* per ref-board manual */
+ mtdcr (UIC1VR, 0x00000001); /* 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, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (UIC2TR, 0x00ffc000); /* per ref-board manual */
+ mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (UIC2SR, 0xffffffff); /* clear all */
+
+ mtdcr (UIC3SR, 0xffffffff); /* clear all */
+ mtdcr (UIC3ER, 0x00000000); /* disable all */
+ mtdcr (UIC3CR, 0x00000000); /* all non-critical */
+ mtdcr (UIC3PR, 0xffffffff); /* per ref-board manual */
+ mtdcr (UIC3TR, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (UIC3SR, 0xffffffff); /* clear all */
+
+ mtdcr (UIC0SR, 0xfc000000); /* clear all */
+ mtdcr (UIC0ER, 0x00000000); /* disable all */
+ mtdcr (UIC0CR, 0x00000000); /* all non-critical */
+ mtdcr (UIC0PR, 0xfc000000); /* */
+ mtdcr (UIC0TR, 0x00000000); /* */
+ mtdcr (UIC0VR, 0x00000001); /* */
+
+ /* Enable two GPIO 10~11 and TraceA signal */
+ mfsdr(SDR0_PFC0,reg);
+ reg |= 0x00300000;
+ mtsdr(SDR0_PFC0,reg);
+
+ mfsdr(SDR0_PFC1,reg);
+ reg |= 0x00100000;
+ mtsdr(SDR0_PFC1,reg);
+
+ /* Set GPIO 10 and 11 as output */
+ GpioOdr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x718);
+ GpioTcr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x704);
+ GpioOr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x700);
+
+ *GpioOdr &= ~(0x00300000);
+ *GpioTcr |= 0x00300000;
+ *GpioOr |= 0x00300000;
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ lcd_init();
+
+ return 0;
+}
+
+int checkboard (void)
+{
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
+
+ printf ("Board: Taishan - AMCC PPC440GX Evaluation Board");
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
+ }
+ putc ('\n');
+
+#ifdef CONFIG_SYS_INIT_SHOW_RESET_REG
+ show_reset_reg();
+#endif
+
+ return (0);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ cpu_eth_init(bis);
+ return pci_eth_init(bis);
+}
Code Review / kvmfornfv.git / blobdiff