Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010-2011 Calxeda, Inc. |
| 3 | * |
| 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) |
| 7 | * any later version. |
| 8 | * |
| 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 |
| 12 | * more details. |
| 13 | * |
| 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/>. |
| 16 | */ |
| 17 | |
| 18 | #include <common.h> |
| 19 | #include <ahci.h> |
Rob Herring | bd0d90e | 2012-02-21 12:52:26 +0000 | [diff] [blame] | 20 | #include <netdev.h> |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 21 | #include <scsi.h> |
| 22 | |
| 23 | #include <asm/sizes.h> |
Rob Herring | 877012d | 2012-02-01 16:57:54 +0000 | [diff] [blame] | 24 | #include <asm/io.h> |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 25 | |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 26 | #define HB_AHCI_BASE 0xffe08000 |
| 27 | |
Rob Herring | 0c34e69 | 2012-02-01 16:57:55 +0000 | [diff] [blame] | 28 | #define HB_SREG_A9_PWR_REQ 0xfff3cf00 |
Rob Herring | 4a3ea21 | 2012-02-01 16:57:57 +0000 | [diff] [blame] | 29 | #define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04 |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 30 | #define HB_SREG_A9_PWRDOM_STAT 0xfff3cf20 |
| 31 | |
Rob Herring | 0c34e69 | 2012-02-01 16:57:55 +0000 | [diff] [blame] | 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 |
| 36 | |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 37 | #define PWRDOM_STAT_SATA 0x80000000 |
| 38 | #define PWRDOM_STAT_PCI 0x40000000 |
| 39 | #define PWRDOM_STAT_EMMC 0x20000000 |
| 40 | |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 41 | DECLARE_GLOBAL_DATA_PTR; |
| 42 | |
| 43 | /* |
| 44 | * Miscellaneous platform dependent initialisations |
| 45 | */ |
| 46 | int board_init(void) |
| 47 | { |
| 48 | icache_enable(); |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 | |
Rob Herring | 9a42098 | 2011-12-15 11:15:50 +0000 | [diff] [blame] | 53 | /* We know all the init functions have been run now */ |
| 54 | int board_eth_init(bd_t *bis) |
| 55 | { |
| 56 | int rc = 0; |
| 57 | |
| 58 | #ifdef CONFIG_CALXEDA_XGMAC |
| 59 | rc += calxedaxgmac_initialize(0, 0xfff50000); |
| 60 | rc += calxedaxgmac_initialize(1, 0xfff51000); |
| 61 | #endif |
| 62 | return rc; |
| 63 | } |
| 64 | |
Rob Herring | 9539502 | 2013-06-12 22:24:53 -0500 | [diff] [blame^] | 65 | #ifdef CONFIG_MISC_INIT_R |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 66 | int misc_init_r(void) |
| 67 | { |
Rob Herring | 4a3ea21 | 2012-02-01 16:57:57 +0000 | [diff] [blame] | 68 | char envbuffer[16]; |
| 69 | u32 boot_choice; |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 70 | u32 reg = readl(HB_SREG_A9_PWRDOM_STAT); |
Rob Herring | 4a3ea21 | 2012-02-01 16:57:57 +0000 | [diff] [blame] | 71 | |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 72 | if (reg & PWRDOM_STAT_SATA) { |
| 73 | ahci_init(HB_AHCI_BASE); |
| 74 | scsi_scan(1); |
| 75 | } |
Rob Herring | 4a3ea21 | 2012-02-01 16:57:57 +0000 | [diff] [blame] | 76 | |
| 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); |
| 82 | } else |
| 83 | setenv("bootcmd", ""); |
| 84 | |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 85 | return 0; |
| 86 | } |
Rob Herring | 9539502 | 2013-06-12 22:24:53 -0500 | [diff] [blame^] | 87 | #endif |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 88 | |
| 89 | int dram_init(void) |
| 90 | { |
| 91 | gd->ram_size = SZ_512M; |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | void dram_init_banksize(void) |
| 96 | { |
| 97 | gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
| 98 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
| 99 | } |
| 100 | |
Rob Herring | 76c3999 | 2013-06-12 22:24:52 -0500 | [diff] [blame] | 101 | #if defined(CONFIG_OF_BOARD_SETUP) |
| 102 | void ft_board_setup(void *fdt, bd_t *bd) |
| 103 | { |
| 104 | static const char disabled[] = "disabled"; |
| 105 | u32 reg = readl(HB_SREG_A9_PWRDOM_STAT); |
| 106 | |
| 107 | if (!(reg & PWRDOM_STAT_SATA)) |
| 108 | do_fixup_by_compat(fdt, "calxeda,hb-ahci", "status", |
| 109 | disabled, sizeof(disabled), 1); |
| 110 | |
| 111 | if (!(reg & PWRDOM_STAT_EMMC)) |
| 112 | do_fixup_by_compat(fdt, "calxeda,hb-sdhci", "status", |
| 113 | disabled, sizeof(disabled), 1); |
| 114 | } |
| 115 | #endif |
| 116 | |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 117 | void reset_cpu(ulong addr) |
| 118 | { |
Rob Herring | 0c34e69 | 2012-02-01 16:57:55 +0000 | [diff] [blame] | 119 | writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ); |
Rob Herring | 5bedf88 | 2012-12-02 17:06:22 +0000 | [diff] [blame] | 120 | |
| 121 | wfi(); |
Rob Herring | 37fc0ed | 2011-10-24 08:50:20 +0000 | [diff] [blame] | 122 | } |