2 * Copyright 2010-2011 Calxeda, Inc.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 2 of the License, or (at your option)
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <asm/sizes.h>
26 #define HB_AHCI_BASE 0xffe08000
28 #define HB_SREG_A9_PWR_REQ 0xfff3cf00
29 #define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04
30 #define HB_SREG_A9_PWRDOM_STAT 0xfff3cf20
32 #define HB_PWR_SUSPEND 0
33 #define HB_PWR_SOFT_RESET 1
34 #define HB_PWR_HARD_RESET 2
35 #define HB_PWR_SHUTDOWN 3
37 #define PWRDOM_STAT_SATA 0x80000000
38 #define PWRDOM_STAT_PCI 0x40000000
39 #define PWRDOM_STAT_EMMC 0x20000000
41 DECLARE_GLOBAL_DATA_PTR;
44 * Miscellaneous platform dependent initialisations
53 /* We know all the init functions have been run now */
54 int board_eth_init(bd_t *bis)
58 #ifdef CONFIG_CALXEDA_XGMAC
59 rc += calxedaxgmac_initialize(0, 0xfff50000);
60 rc += calxedaxgmac_initialize(1, 0xfff51000);
65 #ifdef CONFIG_MISC_INIT_R
70 u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
72 if (reg & PWRDOM_STAT_SATA) {
73 ahci_init(HB_AHCI_BASE);
77 boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
78 sprintf(envbuffer, "bootcmd%d", boot_choice);
79 if (getenv(envbuffer)) {
80 sprintf(envbuffer, "run bootcmd%d", boot_choice);
81 setenv("bootcmd", envbuffer);
83 setenv("bootcmd", "");
91 gd->ram_size = SZ_512M;
95 void dram_init_banksize(void)
97 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
98 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
101 #if defined(CONFIG_OF_BOARD_SETUP)
102 void ft_board_setup(void *fdt, bd_t *bd)
104 static const char disabled[] = "disabled";
105 u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
107 if (!(reg & PWRDOM_STAT_SATA))
108 do_fixup_by_compat(fdt, "calxeda,hb-ahci", "status",
109 disabled, sizeof(disabled), 1);
111 if (!(reg & PWRDOM_STAT_EMMC))
112 do_fixup_by_compat(fdt, "calxeda,hb-sdhci", "status",
113 disabled, sizeof(disabled), 1);
117 void reset_cpu(ulong addr)
119 writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);