2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * Copyright (C) 2007 Logic Product Development, Inc.
6 * Peter Barada <peterb@logicpd.com>
8 * Copyright (C) 2007 MontaVista Software, Inc.
9 * Anton Vorontsov <avorontsov@ru.mvista.com>
12 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
30 #include "../common/common.h"
32 extern void disable_addr_trans (void);
33 extern void enable_addr_trans (void);
34 const qe_iop_conf_t qe_iop_conf_tab[] = {
35 /* port pin dir open_drain assign */
38 {0, 1, 3, 0, 2}, /* MDIO */
39 {0, 2, 1, 0, 1}, /* MDC */
42 {1, 14, 1, 0, 1}, /* TxD0 */
43 {1, 15, 1, 0, 1}, /* TxD1 */
44 {1, 20, 2, 0, 1}, /* RxD0 */
45 {1, 21, 2, 0, 1}, /* RxD1 */
46 {1, 18, 1, 0, 1}, /* TX_EN */
47 {1, 26, 2, 0, 1}, /* RX_DV */
48 {1, 27, 2, 0, 1}, /* RX_ER */
49 {1, 24, 2, 0, 1}, /* COL */
50 {1, 25, 2, 0, 1}, /* CRS */
51 {2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
52 {2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
55 {5, 0, 1, 0, 2}, /* UART2_SOUT */
56 {5, 2, 1, 0, 1}, /* UART2_RTS */
57 {5, 3, 2, 0, 2}, /* UART2_SIN */
58 {5, 1, 2, 0, 3}, /* UART2_CTS */
61 {0, 0, 0, 0, QE_IOP_TAB_END},
64 static int board_init_i2c_busses (void)
66 I2C_MUX_DEVICE *dev = NULL;
69 /* Set up the Bus for the DTTs */
70 buf = (unsigned char *) getenv ("dtt_bus");
72 dev = i2c_mux_ident_muxstring (buf);
74 printf ("Error couldn't add Bus for DTT\n");
75 printf ("please setup dtt_bus to where your\n");
76 printf ("DTT is found.\n");
81 int board_early_init_r (void)
83 void *reg = (void *)(CONFIG_SYS_IMMR + 0x14a8);
87 * Because of errata in the UCCs, we have to write to the reserved
88 * registers to slow the clocks down.
96 /* enable the PHY on the PIGGY */
97 setbits (8, (void *)(CONFIG_SYS_PIGGY_BASE + 0x10003), 0x01);
102 int misc_init_r (void)
104 /* add board specific i2c busses */
105 board_init_i2c_busses ();
109 int fixed_sdram(void)
111 volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
116 im->sysconf.ddrlaw[0].ar = LAWAR_EN | 0x1e;
117 im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
118 im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
119 im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
120 im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
121 im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
122 im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
123 im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
124 im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
125 im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
126 im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
127 im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
128 im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
130 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
132 msize = CONFIG_SYS_DDR_SIZE << 20;
133 disable_addr_trans ();
134 msize = get_ram_size (CONFIG_SYS_DDR_BASE, msize);
135 enable_addr_trans ();
136 msize /= (1024 * 1024);
137 if (CONFIG_SYS_DDR_SIZE != msize) {
138 for (ddr_size = msize << 20, ddr_size_log2 = 0;
139 (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++)
142 im->sysconf.ddrlaw[0].ar =
143 LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
144 im->ddr.csbnds[0].csbnds = (((msize / 16) - 1) & 0xff);
150 phys_size_t initdram (int board_type)
152 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
153 extern void ddr_enable_ecc (unsigned int dram_size);
155 volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
158 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
161 /* DDR SDRAM - Main SODIMM */
162 im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
163 msize = fixed_sdram ();
165 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
167 * Initialize DDR ECC byte
169 ddr_enable_ecc (msize * 1024 * 1024);
172 /* return total bus SDRAM size(bytes) -- DDR */
173 return (msize * 1024 * 1024);
176 int checkboard (void)
178 puts ("Board: Keymile kmeter1");
179 if (ethernet_present ())
180 puts (" with PIGGY.");
185 #if defined(CONFIG_OF_BOARD_SETUP)
186 void ft_board_setup (void *blob, bd_t *bd)
188 ft_cpu_setup (blob, bd);
192 #if defined(CONFIG_HUSH_INIT_VAR)
193 extern int ivm_read_eeprom (void);
194 int hush_init_var (void)