1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2006 Freescale Semiconductor, Inc.
5 * Dave Liu <daveliu@freescale.com>
9 #include <fdt_support.h>
16 #if defined(CONFIG_PCI)
20 #if defined(CONFIG_OF_LIBFDT)
21 #include <linux/libfdt.h>
23 #if defined(CONFIG_PQ_MDS_PIB)
24 #include "../common/pq-mds-pib.h"
26 #include <linux/delay.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 const qe_iop_conf_t qe_iop_conf_tab[] = {
32 {1, 0, 1, 0, 1}, /* TxD0 */
33 {1, 1, 1, 0, 1}, /* TxD1 */
34 {1, 2, 1, 0, 1}, /* TxD2 */
35 {1, 3, 1, 0, 1}, /* TxD3 */
36 {1, 9, 1, 0, 1}, /* TxER */
37 {1, 12, 1, 0, 1}, /* TxEN */
38 {3, 24, 2, 0, 1}, /* TxCLK->CLK10 */
40 {1, 4, 2, 0, 1}, /* RxD0 */
41 {1, 5, 2, 0, 1}, /* RxD1 */
42 {1, 6, 2, 0, 1}, /* RxD2 */
43 {1, 7, 2, 0, 1}, /* RxD3 */
44 {1, 8, 2, 0, 1}, /* RxER */
45 {1, 10, 2, 0, 1}, /* RxDV */
46 {0, 13, 2, 0, 1}, /* RxCLK->CLK9 */
47 {1, 11, 2, 0, 1}, /* COL */
48 {1, 13, 2, 0, 1}, /* CRS */
51 {1, 18, 1, 0, 1}, /* TxD0 */
52 {1, 19, 1, 0, 1}, /* TxD1 */
53 {1, 20, 1, 0, 1}, /* TxD2 */
54 {1, 21, 1, 0, 1}, /* TxD3 */
55 {1, 27, 1, 0, 1}, /* TxER */
56 {1, 30, 1, 0, 1}, /* TxEN */
57 {3, 6, 2, 0, 1}, /* TxCLK->CLK8 */
59 {1, 22, 2, 0, 1}, /* RxD0 */
60 {1, 23, 2, 0, 1}, /* RxD1 */
61 {1, 24, 2, 0, 1}, /* RxD2 */
62 {1, 25, 2, 0, 1}, /* RxD3 */
63 {1, 26, 1, 0, 1}, /* RxER */
64 {1, 28, 2, 0, 1}, /* Rx_DV */
65 {3, 31, 2, 0, 1}, /* RxCLK->CLK7 */
66 {1, 29, 2, 0, 1}, /* COL */
67 {1, 31, 2, 0, 1}, /* CRS */
69 {3, 4, 3, 0, 2}, /* MDIO */
70 {3, 5, 1, 0, 2}, /* MDC */
72 {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
75 int board_early_init_f(void)
77 volatile u8 *bcsr = (volatile u8 *)CONFIG_SYS_BCSR;
79 /* Enable flash write */
85 int board_early_init_r(void)
87 #ifdef CONFIG_PQ_MDS_PIB
93 int fixed_sdram(void);
97 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
100 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
103 /* DDR SDRAM - Main SODIMM */
104 im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & LAWBAR_BAR;
106 msize = fixed_sdram();
108 /* set total bus SDRAM size(bytes) -- DDR */
109 gd->ram_size = msize * 1024 * 1024;
114 /*************************************************************************
115 * fixed sdram init -- doesn't use serial presence detect.
116 ************************************************************************/
117 int fixed_sdram(void)
119 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
124 msize = CONFIG_SYS_DDR_SIZE;
125 for (ddr_size = msize << 20, ddr_size_log2 = 0;
126 (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
131 im->sysconf.ddrlaw[0].ar =
132 LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
133 #if (CONFIG_SYS_DDR_SIZE != 128)
134 #warning Currenly any ddr size other than 128 is not supported
136 im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
137 im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
138 im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
139 im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
140 im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
141 im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
142 im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
143 im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
144 im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
145 im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
146 im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
147 im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
148 __asm__ __volatile__ ("sync");
151 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
152 __asm__ __volatile__ ("sync");
158 puts("Board: Freescale MPC832XEMDS\n");
162 #if defined(CONFIG_OF_BOARD_SETUP)
163 int ft_board_setup(void *blob, bd_t *bd)
165 ft_cpu_setup(blob, bd);
167 ft_pci_setup(blob, bd);