Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 Marvell International Ltd. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * https://spdx.org/licenses |
| 6 | */ |
| 7 | |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | #include <common/debug.h> |
| 9 | #include <drivers/marvell/mci.h> |
| 10 | #include <drivers/marvell/mochi/ap_setup.h> |
| 11 | #include <drivers/marvell/mochi/cp110_setup.h> |
| 12 | #include <lib/mmio.h> |
| 13 | |
Konstantin Porotchkin | 91db290 | 2018-07-29 13:30:51 +0300 | [diff] [blame] | 14 | #include <armada_common.h> |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 15 | #include <marvell_plat_priv.h> |
| 16 | #include <marvell_pm.h> |
Grzegorz Jaszczyk | f47d855 | 2018-06-13 16:00:48 +0200 | [diff] [blame] | 17 | #include <mc_trustzone/mc_trustzone.h> |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 18 | #include <plat_marvell.h> |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 19 | #if MSS_SUPPORT |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 20 | #include <mss_ipc_drv.h> |
| 21 | #include <mss_mem.h> |
Konstantin Porotchkin | b3d4bd5 | 2021-02-28 16:12:56 +0200 | [diff] [blame^] | 22 | #include <mss_defs.h> |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 23 | #endif |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 24 | |
| 25 | /* In Armada-8k family AP806/AP807, CP0 connected to PIDI |
| 26 | * and CP1 connected to IHB via MCI #0 |
| 27 | */ |
| 28 | #define MVEBU_MCI0 0 |
| 29 | |
| 30 | static _Bool pm_fw_running; |
| 31 | |
| 32 | /* Set a weak stub for platforms that don't need to configure GPIO */ |
| 33 | #pragma weak marvell_gpio_config |
| 34 | int marvell_gpio_config(void) |
| 35 | { |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | static void marvell_bl31_mpp_init(int cp) |
| 40 | { |
| 41 | uint32_t reg; |
| 42 | |
| 43 | /* need to do for CP#0 only */ |
| 44 | if (cp) |
| 45 | return; |
| 46 | |
| 47 | |
| 48 | /* |
| 49 | * Enable CP0 I2C MPPs (MPP: 37-38) |
| 50 | * U-Boot rely on proper MPP settings for I2C EEPROM usage |
| 51 | * (only for CP0) |
| 52 | */ |
| 53 | reg = mmio_read_32(MVEBU_CP_MPP_REGS(0, 4)); |
| 54 | mmio_write_32(MVEBU_CP_MPP_REGS(0, 4), reg | 0x2200000); |
| 55 | } |
| 56 | |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 57 | #if MSS_SUPPORT |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 58 | void marvell_bl31_mss_init(void) |
| 59 | { |
| 60 | struct mss_pm_ctrl_block *mss_pm_crtl = |
| 61 | (struct mss_pm_ctrl_block *)MSS_SRAM_PM_CONTROL_BASE; |
| 62 | |
| 63 | /* Check that the image was loaded successfully */ |
| 64 | if (mss_pm_crtl->handshake != HOST_ACKNOWLEDGMENT) { |
| 65 | NOTICE("MSS PM is not supported in this build\n"); |
| 66 | return; |
| 67 | } |
| 68 | |
| 69 | /* If we got here it means that the PM firmware is running */ |
| 70 | pm_fw_running = 1; |
| 71 | |
| 72 | INFO("MSS IPC init\n"); |
| 73 | |
| 74 | if (mss_pm_crtl->ipc_state == IPC_INITIALIZED) |
| 75 | mv_pm_ipc_init(mss_pm_crtl->ipc_base_address | MVEBU_REGS_BASE); |
| 76 | } |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 77 | #endif |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 78 | |
| 79 | _Bool is_pm_fw_running(void) |
| 80 | { |
| 81 | return pm_fw_running; |
| 82 | } |
| 83 | |
Grzegorz Jaszczyk | f47d855 | 2018-06-13 16:00:48 +0200 | [diff] [blame] | 84 | /* For TrusTzone we treat the "target" field of addr_map_win |
| 85 | * struct as attribute |
| 86 | */ |
| 87 | static const struct addr_map_win tz_map[] = { |
| 88 | {PLAT_MARVELL_ATF_BASE, 0x200000, TZ_PERM_ABORT} |
| 89 | }; |
| 90 | |
| 91 | /* Configure MC TrustZone regions */ |
| 92 | static void marvell_bl31_security_setup(void) |
| 93 | { |
| 94 | int tz_nr, win_id; |
| 95 | |
| 96 | tz_nr = ARRAY_SIZE(tz_map); |
| 97 | |
| 98 | for (win_id = 0; win_id < tz_nr; win_id++) |
| 99 | tz_enable_win(MVEBU_AP0, tz_map, win_id); |
| 100 | } |
| 101 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 102 | /* This function overruns the same function in marvell_bl31_setup.c */ |
| 103 | void bl31_plat_arch_setup(void) |
| 104 | { |
| 105 | int cp; |
| 106 | uintptr_t *mailbox = (void *)PLAT_MARVELL_MAILBOX_BASE; |
| 107 | |
| 108 | /* initialize the timer for mdelay/udelay functionality */ |
| 109 | plat_delay_timer_init(); |
| 110 | |
| 111 | /* configure apn806 */ |
| 112 | ap_init(); |
| 113 | |
| 114 | /* In marvell_bl31_plat_arch_setup, el3 mmu is configured. |
| 115 | * el3 mmu configuration MUST be called after apn806_init, if not, |
| 116 | * this will cause an hang in init_io_win |
| 117 | * (after setting the IO windows GCR values). |
| 118 | */ |
| 119 | if (mailbox[MBOX_IDX_MAGIC] != MVEBU_MAILBOX_MAGIC_NUM || |
| 120 | mailbox[MBOX_IDX_SUSPEND_MAGIC] != MVEBU_MAILBOX_SUSPEND_STATE) |
| 121 | marvell_bl31_plat_arch_setup(); |
| 122 | |
| 123 | for (cp = 0; cp < CP_COUNT; cp++) { |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 124 | cp110_init(MVEBU_CP_REGS_BASE(cp), |
| 125 | STREAM_ID_BASE + (cp * MAX_STREAM_ID_PER_CP)); |
| 126 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 127 | marvell_bl31_mpp_init(cp); |
Konstantin Porotchkin | b3d4bd5 | 2021-02-28 16:12:56 +0200 | [diff] [blame^] | 128 | |
| 129 | #if MSS_SUPPORT |
| 130 | /* Release CP MSS CPU from reset once the CP init is done */ |
| 131 | mss_start_cp_cm3(cp); |
| 132 | #endif |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 133 | } |
| 134 | |
Grzegorz Jaszczyk | 582fdfd | 2019-02-06 14:16:51 +0100 | [diff] [blame] | 135 | for (cp = 1; cp < CP_COUNT; cp++) |
| 136 | mci_link_tune(cp - 1); |
| 137 | |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 138 | #if MSS_SUPPORT |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 139 | /* initialize IPC between MSS and ATF */ |
| 140 | if (mailbox[MBOX_IDX_MAGIC] != MVEBU_MAILBOX_MAGIC_NUM || |
| 141 | mailbox[MBOX_IDX_SUSPEND_MAGIC] != MVEBU_MAILBOX_SUSPEND_STATE) |
| 142 | marvell_bl31_mss_init(); |
Konstantin Porotchkin | 2309961 | 2020-10-12 18:13:07 +0300 | [diff] [blame] | 143 | #endif |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 144 | /* Configure GPIO */ |
| 145 | marvell_gpio_config(); |
Grzegorz Jaszczyk | f47d855 | 2018-06-13 16:00:48 +0200 | [diff] [blame] | 146 | |
| 147 | marvell_bl31_security_setup(); |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 148 | } |