marvell: drivers: Add address decoding units drivers
Add address decoding unit drivers for Marvell SoCs.
Address decoding flow and address translation units chart
are located at docs/marvell/misc/mvebu-a8k-addr-map.txt
Change-Id: Id6ce311fa1f4f112df3adfac5d20449f495f71ed
Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
diff --git a/drivers/marvell/amb_adec.c b/drivers/marvell/amb_adec.c
new file mode 100644
index 0000000..06a1957
--- /dev/null
+++ b/drivers/marvell/amb_adec.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* AXI to M-Bridge decoding unit driver for Marvell Armada 8K and 8K+ SoCs */
+
+#include <a8k_common.h>
+#include <debug.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+#define DEBUG_ADDR_MAP
+#endif
+
+/* common defines */
+#define WIN_ENABLE_BIT (0x1)
+
+#define MVEBU_AMB_ADEC_OFFSET (0x70ff00)
+
+#define AMB_WIN_CR_OFFSET(win) (amb_base + 0x0 + (0x8 * win))
+#define AMB_ATTR_OFFSET 8
+#define AMB_ATTR_MASK 0xFF
+#define AMB_SIZE_OFFSET 16
+#define AMB_SIZE_MASK 0xFF
+
+#define AMB_WIN_BASE_OFFSET(win) (amb_base + 0x4 + (0x8 * win))
+#define AMB_BASE_OFFSET 16
+#define AMB_BASE_ADDR_MASK ((1 << (32 - AMB_BASE_OFFSET)) - 1)
+
+#define AMB_WIN_ALIGNMENT_64K (0x10000)
+#define AMB_WIN_ALIGNMENT_1M (0x100000)
+
+uintptr_t amb_base;
+
+static void amb_check_win(struct addr_map_win *win, uint32_t win_num)
+{
+ uint32_t base_addr;
+
+ /* make sure the base address is in 16-bit range */
+ if (win->base_addr > AMB_BASE_ADDR_MASK) {
+ WARN("Window %d: base address is too big 0x%llx\n",
+ win_num, win->base_addr);
+ win->base_addr = AMB_BASE_ADDR_MASK;
+ WARN("Set the base address to 0x%llx\n", win->base_addr);
+ }
+
+ base_addr = win->base_addr << AMB_BASE_OFFSET;
+ /* for AMB The base is always 1M aligned */
+ /* check if address is aligned to 1M */
+ if (IS_NOT_ALIGN(base_addr, AMB_WIN_ALIGNMENT_1M)) {
+ win->base_addr = ALIGN_UP(base_addr, AMB_WIN_ALIGNMENT_1M);
+ WARN("Window %d: base address unaligned to 0x%x\n",
+ win_num, AMB_WIN_ALIGNMENT_1M);
+ WARN("Align up the base address to 0x%llx\n", win->base_addr);
+ }
+
+ /* size parameter validity check */
+ if (!IS_POWER_OF_2(win->win_size)) {
+ WARN("Window %d: window size is not power of 2 (0x%llx)\n",
+ win_num, win->win_size);
+ win->win_size = ROUND_UP_TO_POW_OF_2(win->win_size);
+ WARN("Rounding size to 0x%llx\n", win->win_size);
+ }
+}
+
+static void amb_enable_win(struct addr_map_win *win, uint32_t win_num)
+{
+ uint32_t ctrl, base, size;
+
+ /*
+ * size is 64KB granularity.
+ * The number of ones specifies the size of the
+ * window in 64 KB granularity. 0 is 64KB
+ */
+ size = (win->win_size / AMB_WIN_ALIGNMENT_64K) - 1;
+ ctrl = (size << AMB_SIZE_OFFSET) | (win->target_id << AMB_ATTR_OFFSET);
+ base = win->base_addr << AMB_BASE_OFFSET;
+
+ mmio_write_32(AMB_WIN_BASE_OFFSET(win_num), base);
+ mmio_write_32(AMB_WIN_CR_OFFSET(win_num), ctrl);
+
+ /* enable window after configuring window size (and attributes) */
+ ctrl |= WIN_ENABLE_BIT;
+ mmio_write_32(AMB_WIN_CR_OFFSET(win_num), ctrl);
+}
+
+#ifdef DEBUG_ADDR_MAP
+static void dump_amb_adec(void)
+{
+ uint32_t ctrl, base, win_id, attr;
+ uint32_t size, size_count;
+
+ /* Dump all AMB windows */
+ tf_printf("bank attribute base size\n");
+ tf_printf("--------------------------------------------\n");
+ for (win_id = 0; win_id < AMB_MAX_WIN_ID; win_id++) {
+ ctrl = mmio_read_32(AMB_WIN_CR_OFFSET(win_id));
+ if (ctrl & WIN_ENABLE_BIT) {
+ base = mmio_read_32(AMB_WIN_BASE_OFFSET(win_id));
+ attr = (ctrl >> AMB_ATTR_OFFSET) & AMB_ATTR_MASK;
+ size_count = (ctrl >> AMB_SIZE_OFFSET) & AMB_SIZE_MASK;
+ size = (size_count + 1) * AMB_WIN_ALIGNMENT_64K;
+ tf_printf("amb 0x%04x 0x%08x 0x%08x\n",
+ attr, base, size);
+ }
+ }
+}
+#endif
+
+int init_amb_adec(uintptr_t base)
+{
+ struct addr_map_win *win;
+ uint32_t win_id, win_reg;
+ uint32_t win_count;
+
+ INFO("Initializing AXI to MBus Bridge Address decoding\n");
+
+ /* Get the base address of the AMB address decoding */
+ amb_base = base + MVEBU_AMB_ADEC_OFFSET;
+
+ /* Get the array of the windows and its size */
+ marvell_get_amb_memory_map(&win, &win_count, base);
+ if (win_count <= 0)
+ INFO("no windows configurations found\n");
+
+ if (win_count > AMB_MAX_WIN_ID) {
+ INFO("number of windows is bigger than %d\n", AMB_MAX_WIN_ID);
+ return 0;
+ }
+
+ /* disable all AMB windows */
+ for (win_id = 0; win_id < AMB_MAX_WIN_ID; win_id++) {
+ win_reg = mmio_read_32(AMB_WIN_CR_OFFSET(win_id));
+ win_reg &= ~WIN_ENABLE_BIT;
+ mmio_write_32(AMB_WIN_CR_OFFSET(win_id), win_reg);
+ }
+
+ /* enable relevant windows */
+ for (win_id = 0; win_id < win_count; win_id++, win++) {
+ amb_check_win(win, win_id);
+ amb_enable_win(win, win_id);
+ }
+
+#ifdef DEBUG_ADDR_MAP
+ dump_amb_adec();
+#endif
+
+ INFO("Done AXI to MBus Bridge Address decoding Initializing\n");
+
+ return 0;
+}
diff --git a/drivers/marvell/ccu.c b/drivers/marvell/ccu.c
new file mode 100644
index 0000000..e478d63
--- /dev/null
+++ b/drivers/marvell/ccu.c
@@ -0,0 +1,361 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* CCU unit device driver for Marvell AP807, AP807 and AP810 SoCs */
+
+#include <a8k_common.h>
+#include <ccu.h>
+#include <debug.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+#define DEBUG_ADDR_MAP
+#endif
+
+/* common defines */
+#define WIN_ENABLE_BIT (0x1)
+/* Physical address of the base of the window = {AddrLow[19:0],20’h0} */
+#define ADDRESS_SHIFT (20 - 4)
+#define ADDRESS_MASK (0xFFFFFFF0)
+#define CCU_WIN_ALIGNMENT (0x100000)
+
+#define IS_DRAM_TARGET(tgt) ((((tgt) == DRAM_0_TID) || \
+ ((tgt) == DRAM_1_TID) || \
+ ((tgt) == RAR_TID)) ? 1 : 0)
+
+/* For storage of CR, SCR, ALR, AHR abd GCR */
+static uint32_t ccu_regs_save[MVEBU_CCU_MAX_WINS * 4 + 1];
+
+#ifdef DEBUG_ADDR_MAP
+static void dump_ccu(int ap_index)
+{
+ uint32_t win_id, win_cr, alr, ahr;
+ uint8_t target_id;
+ uint64_t start, end;
+
+ /* Dump all AP windows */
+ tf_printf("\tbank target start end\n");
+ tf_printf("\t----------------------------------------------------\n");
+ for (win_id = 0; win_id < MVEBU_CCU_MAX_WINS; win_id++) {
+ win_cr = mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id));
+ if (win_cr & WIN_ENABLE_BIT) {
+ target_id = (win_cr >> CCU_TARGET_ID_OFFSET) &
+ CCU_TARGET_ID_MASK;
+ alr = mmio_read_32(CCU_WIN_ALR_OFFSET(ap_index,
+ win_id));
+ ahr = mmio_read_32(CCU_WIN_AHR_OFFSET(ap_index,
+ win_id));
+ start = ((uint64_t)alr << ADDRESS_SHIFT);
+ end = (((uint64_t)ahr + 0x10) << ADDRESS_SHIFT);
+ tf_printf("\tccu %02x 0x%016llx 0x%016llx\n",
+ target_id, start, end);
+ }
+ }
+ win_cr = mmio_read_32(CCU_WIN_GCR_OFFSET(ap_index));
+ target_id = (win_cr >> CCU_GCR_TARGET_OFFSET) & CCU_GCR_TARGET_MASK;
+ tf_printf("\tccu GCR %d - all other transactions\n", target_id);
+}
+#endif
+
+void ccu_win_check(struct addr_map_win *win)
+{
+ /* check if address is aligned to 1M */
+ if (IS_NOT_ALIGN(win->base_addr, CCU_WIN_ALIGNMENT)) {
+ win->base_addr = ALIGN_UP(win->base_addr, CCU_WIN_ALIGNMENT);
+ NOTICE("%s: Align up the base address to 0x%llx\n",
+ __func__, win->base_addr);
+ }
+
+ /* size parameter validity check */
+ if (IS_NOT_ALIGN(win->win_size, CCU_WIN_ALIGNMENT)) {
+ win->win_size = ALIGN_UP(win->win_size, CCU_WIN_ALIGNMENT);
+ NOTICE("%s: Aligning size to 0x%llx\n",
+ __func__, win->win_size);
+ }
+}
+
+void ccu_enable_win(int ap_index, struct addr_map_win *win, uint32_t win_id)
+{
+ uint32_t ccu_win_reg;
+ uint32_t alr, ahr;
+ uint64_t end_addr;
+
+ if ((win_id == 0) || (win_id > MVEBU_CCU_MAX_WINS)) {
+ ERROR("Enabling wrong CCU window %d!\n", win_id);
+ return;
+ }
+
+ end_addr = (win->base_addr + win->win_size - 1);
+ alr = (uint32_t)((win->base_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+ ahr = (uint32_t)((end_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+
+ mmio_write_32(CCU_WIN_ALR_OFFSET(ap_index, win_id), alr);
+ mmio_write_32(CCU_WIN_AHR_OFFSET(ap_index, win_id), ahr);
+
+ ccu_win_reg = WIN_ENABLE_BIT;
+ ccu_win_reg |= (win->target_id & CCU_TARGET_ID_MASK)
+ << CCU_TARGET_ID_OFFSET;
+ mmio_write_32(CCU_WIN_CR_OFFSET(ap_index, win_id), ccu_win_reg);
+}
+
+static void ccu_disable_win(int ap_index, uint32_t win_id)
+{
+ uint32_t win_reg;
+
+ if ((win_id == 0) || (win_id > MVEBU_CCU_MAX_WINS)) {
+ ERROR("Disabling wrong CCU window %d!\n", win_id);
+ return;
+ }
+
+ win_reg = mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id));
+ win_reg &= ~WIN_ENABLE_BIT;
+ mmio_write_32(CCU_WIN_CR_OFFSET(ap_index, win_id), win_reg);
+}
+
+/* Insert/Remove temporary window for using the out-of reset default
+ * CPx base address to access the CP configuration space prior to
+ * the further base address update in accordance with address mapping
+ * design.
+ *
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void ccu_temp_win_insert(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ for (int i = 0; i < size; i++) {
+ win_id = MVEBU_CCU_MAX_WINS - 1 - i;
+ ccu_win_check(win);
+ ccu_enable_win(ap_index, win, win_id);
+ win++;
+ }
+}
+
+/*
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void ccu_temp_win_remove(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ for (int i = 0; i < size; i++) {
+ uint64_t base;
+ uint32_t target;
+
+ win_id = MVEBU_CCU_MAX_WINS - 1 - i;
+
+ target = mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id));
+ target >>= CCU_TARGET_ID_OFFSET;
+ target &= CCU_TARGET_ID_MASK;
+
+ base = mmio_read_32(CCU_WIN_ALR_OFFSET(ap_index, win_id));
+ base <<= ADDRESS_SHIFT;
+
+ if ((win->target_id != target) || (win->base_addr != base)) {
+ ERROR("%s: Trying to remove bad window-%d!\n",
+ __func__, win_id);
+ continue;
+ }
+ ccu_disable_win(ap_index, win_id);
+ win++;
+ }
+}
+
+/* Returns current DRAM window target (DRAM_0_TID, DRAM_1_TID, RAR_TID)
+ * NOTE: Call only once for each AP.
+ * The AP0 DRAM window is located at index 2 only at the BL31 execution start.
+ * Then it relocated to index 1 for matching the rest of APs DRAM settings.
+ * Calling this function after relocation will produce wrong results on AP0
+ */
+static uint32_t ccu_dram_target_get(int ap_index)
+{
+ /* On BLE stage the AP0 DRAM window is opened by the BootROM at index 2.
+ * All the rest of detected APs will use window at index 1.
+ * The AP0 DRAM window is moved from index 2 to 1 during
+ * init_ccu() execution.
+ */
+ const uint32_t win_id = (ap_index == 0) ? 2 : 1;
+ uint32_t target;
+
+ target = mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id));
+ target >>= CCU_TARGET_ID_OFFSET;
+ target &= CCU_TARGET_ID_MASK;
+
+ return target;
+}
+
+void ccu_dram_target_set(int ap_index, uint32_t target)
+{
+ /* On BLE stage the AP0 DRAM window is opened by the BootROM at index 2.
+ * All the rest of detected APs will use window at index 1.
+ * The AP0 DRAM window is moved from index 2 to 1
+ * during init_ccu() execution.
+ */
+ const uint32_t win_id = (ap_index == 0) ? 2 : 1;
+ uint32_t dram_cr;
+
+ dram_cr = mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id));
+ dram_cr &= ~(CCU_TARGET_ID_MASK << CCU_TARGET_ID_OFFSET);
+ dram_cr |= (target & CCU_TARGET_ID_MASK) << CCU_TARGET_ID_OFFSET;
+ mmio_write_32(CCU_WIN_CR_OFFSET(ap_index, win_id), dram_cr);
+}
+
+/* Setup CCU DRAM window and enable it */
+void ccu_dram_win_config(int ap_index, struct addr_map_win *win)
+{
+#if IMAGE_BLE /* BLE */
+ /* On BLE stage the AP0 DRAM window is opened by the BootROM at index 2.
+ * Since the BootROM is not accessing DRAM at BLE stage,
+ * the DRAM window can be temporarely disabled.
+ */
+ const uint32_t win_id = (ap_index == 0) ? 2 : 1;
+#else /* end of BLE */
+ /* At the ccu_init() execution stage, DRAM windows of all APs
+ * are arranged at index 1.
+ * The AP0 still has the old window BootROM DRAM at index 2, so
+ * the window-1 can be safely disabled without breaking the DRAM access.
+ */
+ const uint32_t win_id = 1;
+#endif
+
+ ccu_disable_win(ap_index, win_id);
+ /* enable write secure (and clear read secure) */
+ mmio_write_32(CCU_WIN_SCR_OFFSET(ap_index, win_id),
+ CCU_WIN_ENA_WRITE_SECURE);
+ ccu_win_check(win);
+ ccu_enable_win(ap_index, win, win_id);
+}
+
+/* Save content of CCU window + GCR */
+static void ccu_save_win_range(int ap_id, int win_first,
+ int win_last, uint32_t *buffer)
+{
+ int win_id, idx;
+ /* Save CCU */
+ for (idx = 0, win_id = win_first; win_id <= win_last; win_id++) {
+ buffer[idx++] = mmio_read_32(CCU_WIN_CR_OFFSET(ap_id, win_id));
+ buffer[idx++] = mmio_read_32(CCU_WIN_SCR_OFFSET(ap_id, win_id));
+ buffer[idx++] = mmio_read_32(CCU_WIN_ALR_OFFSET(ap_id, win_id));
+ buffer[idx++] = mmio_read_32(CCU_WIN_AHR_OFFSET(ap_id, win_id));
+ }
+ buffer[idx] = mmio_read_32(CCU_WIN_GCR_OFFSET(ap_id));
+}
+
+/* Restore content of CCU window + GCR */
+static void ccu_restore_win_range(int ap_id, int win_first,
+ int win_last, uint32_t *buffer)
+{
+ int win_id, idx;
+ /* Restore CCU */
+ for (idx = 0, win_id = win_first; win_id <= win_last; win_id++) {
+ mmio_write_32(CCU_WIN_CR_OFFSET(ap_id, win_id), buffer[idx++]);
+ mmio_write_32(CCU_WIN_SCR_OFFSET(ap_id, win_id), buffer[idx++]);
+ mmio_write_32(CCU_WIN_ALR_OFFSET(ap_id, win_id), buffer[idx++]);
+ mmio_write_32(CCU_WIN_AHR_OFFSET(ap_id, win_id), buffer[idx++]);
+ }
+ mmio_write_32(CCU_WIN_GCR_OFFSET(ap_id), buffer[idx]);
+}
+
+void ccu_save_win_all(int ap_id)
+{
+ ccu_save_win_range(ap_id, 0, MVEBU_CCU_MAX_WINS - 1, ccu_regs_save);
+}
+
+void ccu_restore_win_all(int ap_id)
+{
+ ccu_restore_win_range(ap_id, 0, MVEBU_CCU_MAX_WINS - 1, ccu_regs_save);
+}
+
+int init_ccu(int ap_index)
+{
+ struct addr_map_win *win, *dram_win;
+ uint32_t win_id, win_reg;
+ uint32_t win_count, array_id;
+ uint32_t dram_target;
+#if IMAGE_BLE
+ /* In BootROM context CCU Window-1
+ * has SRAM_TID target and should not be disabled
+ */
+ const uint32_t win_start = 2;
+#else
+ const uint32_t win_start = 1;
+#endif
+
+ INFO("Initializing CCU Address decoding\n");
+
+ /* Get the array of the windows and fill the map data */
+ marvell_get_ccu_memory_map(ap_index, &win, &win_count);
+ if (win_count <= 0) {
+ INFO("No windows configurations found\n");
+ } else if (win_count > (MVEBU_CCU_MAX_WINS - 1)) {
+ ERROR("CCU mem map array > than max available windows (%d)\n",
+ MVEBU_CCU_MAX_WINS);
+ win_count = MVEBU_CCU_MAX_WINS;
+ }
+
+ /* Need to set GCR to DRAM before all CCU windows are disabled for
+ * securing the normal access to DRAM location, which the ATF is running
+ * from. Once all CCU windows are set, which have to include the
+ * dedicated DRAM window as well, the GCR can be switched to the target
+ * defined by the platform configuration.
+ */
+ dram_target = ccu_dram_target_get(ap_index);
+ win_reg = (dram_target & CCU_GCR_TARGET_MASK) << CCU_GCR_TARGET_OFFSET;
+ mmio_write_32(CCU_WIN_GCR_OFFSET(ap_index), win_reg);
+
+ /* If the DRAM window was already configured at the BLE stage,
+ * only the window target considered valid, the address range should be
+ * updated according to the platform configuration.
+ */
+ for (dram_win = win, array_id = 0; array_id < win_count;
+ array_id++, dram_win++) {
+ if (IS_DRAM_TARGET(dram_win->target_id)) {
+ dram_win->target_id = dram_target;
+ break;
+ }
+ }
+
+ /* Disable all AP CCU windows
+ * Window-0 is always bypassed since it already contains
+ * data allowing the internal configuration space access
+ */
+ for (win_id = win_start; win_id < MVEBU_CCU_MAX_WINS; win_id++) {
+ ccu_disable_win(ap_index, win_id);
+ /* enable write secure (and clear read secure) */
+ mmio_write_32(CCU_WIN_SCR_OFFSET(ap_index, win_id),
+ CCU_WIN_ENA_WRITE_SECURE);
+ }
+
+ /* win_id is the index of the current ccu window
+ * array_id is the index of the current memory map window entry
+ */
+ for (win_id = win_start, array_id = 0;
+ ((win_id < MVEBU_CCU_MAX_WINS) && (array_id < win_count));
+ win_id++) {
+ ccu_win_check(win);
+ ccu_enable_win(ap_index, win, win_id);
+ win++;
+ array_id++;
+ }
+
+ /* Get & set the default target according to board topology */
+ win_reg = (marvell_get_ccu_gcr_target(ap_index) & CCU_GCR_TARGET_MASK)
+ << CCU_GCR_TARGET_OFFSET;
+ mmio_write_32(CCU_WIN_GCR_OFFSET(ap_index), win_reg);
+
+#ifdef DEBUG_ADDR_MAP
+ dump_ccu(ap_index);
+#endif
+
+ INFO("Done CCU Address decoding Initializing\n");
+
+ return 0;
+}
diff --git a/drivers/marvell/gwin.c b/drivers/marvell/gwin.c
new file mode 100644
index 0000000..2b17f35
--- /dev/null
+++ b/drivers/marvell/gwin.c
@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* GWIN unit device driver for Marvell AP810 SoC */
+
+#include <a8k_common.h>
+#include <debug.h>
+#include <gwin.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+#define DEBUG_ADDR_MAP
+#endif
+
+/* common defines */
+#define WIN_ENABLE_BIT (0x1)
+#define WIN_TARGET_MASK (0xF)
+#define WIN_TARGET_SHIFT (0x8)
+#define WIN_TARGET(tgt) (((tgt) & WIN_TARGET_MASK) \
+ << WIN_TARGET_SHIFT)
+
+/* Bits[43:26] of the physical address are the window base,
+ * which is aligned to 64MB
+ */
+#define ADDRESS_RSHIFT (26)
+#define ADDRESS_LSHIFT (10)
+#define GWIN_ALIGNMENT_64M (0x4000000)
+
+/* AP registers */
+#define GWIN_CR_OFFSET(ap, win) (MVEBU_GWIN_BASE(ap) + 0x0 + \
+ (0x10 * (win)))
+#define GWIN_ALR_OFFSET(ap, win) (MVEBU_GWIN_BASE(ap) + 0x8 + \
+ (0x10 * (win)))
+#define GWIN_AHR_OFFSET(ap, win) (MVEBU_GWIN_BASE(ap) + 0xc + \
+ (0x10 * (win)))
+
+#define CCU_GRU_CR_OFFSET(ap) (MVEBU_CCU_GRU_BASE(ap))
+#define CCR_GRU_CR_GWIN_MBYPASS (1 << 1)
+
+static void gwin_check(struct addr_map_win *win)
+{
+ /* The base is always 64M aligned */
+ if (IS_NOT_ALIGN(win->base_addr, GWIN_ALIGNMENT_64M)) {
+ win->base_addr &= ~(GWIN_ALIGNMENT_64M - 1);
+ NOTICE("%s: Align the base address to 0x%llx\n",
+ __func__, win->base_addr);
+ }
+
+ /* size parameter validity check */
+ if (IS_NOT_ALIGN(win->win_size, GWIN_ALIGNMENT_64M)) {
+ win->win_size = ALIGN_UP(win->win_size, GWIN_ALIGNMENT_64M);
+ NOTICE("%s: Aligning window size to 0x%llx\n",
+ __func__, win->win_size);
+ }
+}
+
+static void gwin_enable_window(int ap_index, struct addr_map_win *win,
+ uint32_t win_num)
+{
+ uint32_t alr, ahr;
+ uint64_t end_addr;
+
+ if ((win->target_id & WIN_TARGET_MASK) != win->target_id) {
+ ERROR("target ID = %d, is invalid\n", win->target_id);
+ return;
+ }
+
+ /* calculate 64bit end-address */
+ end_addr = (win->base_addr + win->win_size - 1);
+
+ alr = (uint32_t)((win->base_addr >> ADDRESS_RSHIFT) << ADDRESS_LSHIFT);
+ ahr = (uint32_t)((end_addr >> ADDRESS_RSHIFT) << ADDRESS_LSHIFT);
+
+ /* write start address and end address for GWIN */
+ mmio_write_32(GWIN_ALR_OFFSET(ap_index, win_num), alr);
+ mmio_write_32(GWIN_AHR_OFFSET(ap_index, win_num), ahr);
+
+ /* write the target ID and enable the window */
+ mmio_write_32(GWIN_CR_OFFSET(ap_index, win_num),
+ WIN_TARGET(win->target_id) | WIN_ENABLE_BIT);
+}
+
+static void gwin_disable_window(int ap_index, uint32_t win_num)
+{
+ uint32_t win_reg;
+
+ win_reg = mmio_read_32(GWIN_CR_OFFSET(ap_index, win_num));
+ win_reg &= ~WIN_ENABLE_BIT;
+ mmio_write_32(GWIN_CR_OFFSET(ap_index, win_num), win_reg);
+}
+
+/* Insert/Remove temporary window for using the out-of reset default
+ * CPx base address to access the CP configuration space prior to
+ * the further base address update in accordance with address mapping
+ * design.
+ *
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void gwin_temp_win_insert(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ for (int i = 0; i < size; i++) {
+ win_id = MVEBU_GWIN_MAX_WINS - i - 1;
+ gwin_check(win);
+ gwin_enable_window(ap_index, win, win_id);
+ win++;
+ }
+}
+
+/*
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void gwin_temp_win_remove(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ for (int i = 0; i < size; i++) {
+ uint64_t base;
+ uint32_t target;
+
+ win_id = MVEBU_GWIN_MAX_WINS - i - 1;
+
+ target = mmio_read_32(GWIN_CR_OFFSET(ap_index, win_id));
+ target >>= WIN_TARGET_SHIFT;
+ target &= WIN_TARGET_MASK;
+
+ base = mmio_read_32(GWIN_ALR_OFFSET(ap_index, win_id));
+ base >>= ADDRESS_LSHIFT;
+ base <<= ADDRESS_RSHIFT;
+
+ if (win->target_id != target) {
+ ERROR("%s: Trying to remove bad window-%d!\n",
+ __func__, win_id);
+ continue;
+ }
+ gwin_disable_window(ap_index, win_id);
+ win++;
+ }
+}
+
+#ifdef DEBUG_ADDR_MAP
+static void dump_gwin(int ap_index)
+{
+ uint32_t win_num;
+
+ /* Dump all GWIN windows */
+ tf_printf("\tbank target start end\n");
+ tf_printf("\t----------------------------------------------------\n");
+ for (win_num = 0; win_num < MVEBU_GWIN_MAX_WINS; win_num++) {
+ uint32_t cr;
+ uint64_t alr, ahr;
+
+ cr = mmio_read_32(GWIN_CR_OFFSET(ap_index, win_num));
+ /* Window enabled */
+ if (cr & WIN_ENABLE_BIT) {
+ alr = mmio_read_32(GWIN_ALR_OFFSET(ap_index, win_num));
+ alr = (alr >> ADDRESS_LSHIFT) << ADDRESS_RSHIFT;
+ ahr = mmio_read_32(GWIN_AHR_OFFSET(ap_index, win_num));
+ ahr = (ahr >> ADDRESS_LSHIFT) << ADDRESS_RSHIFT;
+ tf_printf("\tgwin %d 0x%016llx 0x%016llx\n",
+ (cr >> 8) & 0xF, alr, ahr);
+ }
+ }
+}
+#endif
+
+int init_gwin(int ap_index)
+{
+ struct addr_map_win *win;
+ uint32_t win_id;
+ uint32_t win_count;
+ uint32_t win_reg;
+
+ INFO("Initializing GWIN Address decoding\n");
+
+ /* Get the array of the windows and its size */
+ marvell_get_gwin_memory_map(ap_index, &win, &win_count);
+ if (win_count <= 0) {
+ INFO("no windows configurations found\n");
+ return 0;
+ }
+
+ if (win_count > MVEBU_GWIN_MAX_WINS) {
+ ERROR("number of windows is bigger than %d\n",
+ MVEBU_GWIN_MAX_WINS);
+ return 0;
+ }
+
+ /* disable all windows */
+ for (win_id = 0; win_id < MVEBU_GWIN_MAX_WINS; win_id++)
+ gwin_disable_window(ap_index, win_id);
+
+ /* enable relevant windows */
+ for (win_id = 0; win_id < win_count; win_id++, win++) {
+ gwin_check(win);
+ gwin_enable_window(ap_index, win, win_id);
+ }
+
+ /* GWIN Miss feature has not verified, therefore any access towards
+ * remote AP should be accompanied with proper configuration to
+ * GWIN registers group and therefore the GWIN Miss feature
+ * should be set into Bypass mode, need to make sure all GWIN regions
+ * are defined correctly that will assure no GWIN miss occurrance
+ * JIRA-AURORA2-1630
+ */
+ INFO("Update GWIN miss bypass\n");
+ win_reg = mmio_read_32(CCU_GRU_CR_OFFSET(ap_index));
+ win_reg |= CCR_GRU_CR_GWIN_MBYPASS;
+ mmio_write_32(CCU_GRU_CR_OFFSET(ap_index), win_reg);
+
+#ifdef DEBUG_ADDR_MAP
+ dump_gwin(ap_index);
+#endif
+
+ INFO("Done GWIN Address decoding Initializing\n");
+
+ return 0;
+}
diff --git a/drivers/marvell/io_win.c b/drivers/marvell/io_win.c
new file mode 100644
index 0000000..701dbb8
--- /dev/null
+++ b/drivers/marvell/io_win.c
@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* IO Window unit device driver for Marvell AP807, AP807 and AP810 SoCs */
+
+#include <a8k_common.h>
+#include <debug.h>
+#include <io_win.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+#define DEBUG_ADDR_MAP
+#endif
+
+/* common defines */
+#define WIN_ENABLE_BIT (0x1)
+/* Physical address of the base of the window = {Addr[19:0],20`h0} */
+#define ADDRESS_SHIFT (20 - 4)
+#define ADDRESS_MASK (0xFFFFFFF0)
+#define IO_WIN_ALIGNMENT_1M (0x100000)
+#define IO_WIN_ALIGNMENT_64K (0x10000)
+
+/* AP registers */
+#define IO_WIN_ALR_OFFSET(ap, win) (MVEBU_IO_WIN_BASE(ap) + 0x0 + \
+ (0x10 * win))
+#define IO_WIN_AHR_OFFSET(ap, win) (MVEBU_IO_WIN_BASE(ap) + 0x8 + \
+ (0x10 * win))
+#define IO_WIN_CR_OFFSET(ap, win) (MVEBU_IO_WIN_BASE(ap) + 0xC + \
+ (0x10 * win))
+
+/* For storage of CR, ALR, AHR abd GCR */
+static uint32_t io_win_regs_save[MVEBU_IO_WIN_MAX_WINS * 3 + 1];
+
+static void io_win_check(struct addr_map_win *win)
+{
+ /* for IO The base is always 1M aligned */
+ /* check if address is aligned to 1M */
+ if (IS_NOT_ALIGN(win->base_addr, IO_WIN_ALIGNMENT_1M)) {
+ win->base_addr = ALIGN_UP(win->base_addr, IO_WIN_ALIGNMENT_1M);
+ NOTICE("%s: Align up the base address to 0x%llx\n",
+ __func__, win->base_addr);
+ }
+
+ /* size parameter validity check */
+ if (IS_NOT_ALIGN(win->win_size, IO_WIN_ALIGNMENT_1M)) {
+ win->win_size = ALIGN_UP(win->win_size, IO_WIN_ALIGNMENT_1M);
+ NOTICE("%s: Aligning size to 0x%llx\n",
+ __func__, win->win_size);
+ }
+}
+
+static void io_win_enable_window(int ap_index, struct addr_map_win *win,
+ uint32_t win_num)
+{
+ uint32_t alr, ahr;
+ uint64_t end_addr;
+
+ if (win->target_id < 0 || win->target_id >= MVEBU_IO_WIN_MAX_WINS) {
+ ERROR("target ID = %d, is invalid\n", win->target_id);
+ return;
+ }
+
+ if ((win_num == 0) || (win_num > MVEBU_IO_WIN_MAX_WINS)) {
+ ERROR("Enabling wrong IOW window %d!\n", win_num);
+ return;
+ }
+
+ /* calculate the end-address */
+ end_addr = (win->base_addr + win->win_size - 1);
+
+ alr = (uint32_t)((win->base_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+ alr |= WIN_ENABLE_BIT;
+ ahr = (uint32_t)((end_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+
+ /* write start address and end address for IO window */
+ mmio_write_32(IO_WIN_ALR_OFFSET(ap_index, win_num), alr);
+ mmio_write_32(IO_WIN_AHR_OFFSET(ap_index, win_num), ahr);
+
+ /* write window target */
+ mmio_write_32(IO_WIN_CR_OFFSET(ap_index, win_num), win->target_id);
+}
+
+static void io_win_disable_window(int ap_index, uint32_t win_num)
+{
+ uint32_t win_reg;
+
+ if ((win_num == 0) || (win_num > MVEBU_IO_WIN_MAX_WINS)) {
+ ERROR("Disabling wrong IOW window %d!\n", win_num);
+ return;
+ }
+
+ win_reg = mmio_read_32(IO_WIN_ALR_OFFSET(ap_index, win_num));
+ win_reg &= ~WIN_ENABLE_BIT;
+ mmio_write_32(IO_WIN_ALR_OFFSET(ap_index, win_num), win_reg);
+}
+
+/* Insert/Remove temporary window for using the out-of reset default
+ * CPx base address to access the CP configuration space prior to
+ * the further base address update in accordance with address mapping
+ * design.
+ *
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void iow_temp_win_insert(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ for (int i = 0; i < size; i++) {
+ win_id = MVEBU_IO_WIN_MAX_WINS - i - 1;
+ io_win_check(win);
+ io_win_enable_window(ap_index, win, win_id);
+ win++;
+ }
+}
+
+/*
+ * NOTE: Use the same window array for insertion and removal of
+ * temporary windows.
+ */
+void iow_temp_win_remove(int ap_index, struct addr_map_win *win, int size)
+{
+ uint32_t win_id;
+
+ /* Start from the last window and do not touch Win0 */
+ for (int i = 0; i < size; i++) {
+ uint64_t base;
+ uint32_t target;
+
+ win_id = MVEBU_IO_WIN_MAX_WINS - i - 1;
+
+ target = mmio_read_32(IO_WIN_CR_OFFSET(ap_index, win_id));
+ base = mmio_read_32(IO_WIN_ALR_OFFSET(ap_index, win_id));
+ base &= ~WIN_ENABLE_BIT;
+ base <<= ADDRESS_SHIFT;
+
+ if ((win->target_id != target) || (win->base_addr != base)) {
+ ERROR("%s: Trying to remove bad window-%d!\n",
+ __func__, win_id);
+ continue;
+ }
+ io_win_disable_window(ap_index, win_id);
+ win++;
+ }
+}
+
+#ifdef DEBUG_ADDR_MAP
+static void dump_io_win(int ap_index)
+{
+ uint32_t trgt_id, win_id;
+ uint32_t alr, ahr;
+ uint64_t start, end;
+
+ /* Dump all IO windows */
+ tf_printf("\tbank target start end\n");
+ tf_printf("\t----------------------------------------------------\n");
+ for (win_id = 0; win_id < MVEBU_IO_WIN_MAX_WINS; win_id++) {
+ alr = mmio_read_32(IO_WIN_ALR_OFFSET(ap_index, win_id));
+ if (alr & WIN_ENABLE_BIT) {
+ alr &= ~WIN_ENABLE_BIT;
+ ahr = mmio_read_32(IO_WIN_AHR_OFFSET(ap_index, win_id));
+ trgt_id = mmio_read_32(IO_WIN_CR_OFFSET(ap_index,
+ win_id));
+ start = ((uint64_t)alr << ADDRESS_SHIFT);
+ end = (((uint64_t)ahr + 0x10) << ADDRESS_SHIFT);
+ tf_printf("\tio-win %d 0x%016llx 0x%016llx\n",
+ trgt_id, start, end);
+ }
+ }
+ tf_printf("\tio-win gcr is %x\n",
+ mmio_read_32(MVEBU_IO_WIN_BASE(ap_index) +
+ MVEBU_IO_WIN_GCR_OFFSET));
+}
+#endif
+
+static void iow_save_win_range(int ap_id, int win_first, int win_last,
+ uint32_t *buffer)
+{
+ int win_id, idx;
+
+ /* Save IOW */
+ for (idx = 0, win_id = win_first; win_id <= win_last; win_id++) {
+ buffer[idx++] = mmio_read_32(IO_WIN_CR_OFFSET(ap_id, win_id));
+ buffer[idx++] = mmio_read_32(IO_WIN_ALR_OFFSET(ap_id, win_id));
+ buffer[idx++] = mmio_read_32(IO_WIN_AHR_OFFSET(ap_id, win_id));
+ }
+ buffer[idx] = mmio_read_32(MVEBU_IO_WIN_BASE(ap_id) +
+ MVEBU_IO_WIN_GCR_OFFSET);
+}
+
+static void iow_restore_win_range(int ap_id, int win_first, int win_last,
+ uint32_t *buffer)
+{
+ int win_id, idx;
+
+ /* Restore IOW */
+ for (idx = 0, win_id = win_first; win_id <= win_last; win_id++) {
+ mmio_write_32(IO_WIN_CR_OFFSET(ap_id, win_id), buffer[idx++]);
+ mmio_write_32(IO_WIN_ALR_OFFSET(ap_id, win_id), buffer[idx++]);
+ mmio_write_32(IO_WIN_AHR_OFFSET(ap_id, win_id), buffer[idx++]);
+ }
+ mmio_write_32(MVEBU_IO_WIN_BASE(ap_id) + MVEBU_IO_WIN_GCR_OFFSET,
+ buffer[idx++]);
+}
+
+void iow_save_win_all(int ap_id)
+{
+ iow_save_win_range(ap_id, 0, MVEBU_IO_WIN_MAX_WINS - 1,
+ io_win_regs_save);
+}
+
+void iow_restore_win_all(int ap_id)
+{
+ iow_restore_win_range(ap_id, 0, MVEBU_IO_WIN_MAX_WINS - 1,
+ io_win_regs_save);
+}
+
+int init_io_win(int ap_index)
+{
+ struct addr_map_win *win;
+ uint32_t win_id, win_reg;
+ uint32_t win_count;
+
+ INFO("Initializing IO WIN Address decoding\n");
+
+ /* Get the array of the windows and its size */
+ marvell_get_io_win_memory_map(ap_index, &win, &win_count);
+ if (win_count <= 0)
+ INFO("no windows configurations found\n");
+
+ if (win_count > MVEBU_IO_WIN_MAX_WINS) {
+ INFO("number of windows is bigger than %d\n",
+ MVEBU_IO_WIN_MAX_WINS);
+ return 0;
+ }
+
+ /* Get the default target id to set the GCR */
+ win_reg = marvell_get_io_win_gcr_target(ap_index);
+ mmio_write_32(MVEBU_IO_WIN_BASE(ap_index) + MVEBU_IO_WIN_GCR_OFFSET,
+ win_reg);
+
+ /* disable all IO windows */
+ for (win_id = 1; win_id < MVEBU_IO_WIN_MAX_WINS; win_id++)
+ io_win_disable_window(ap_index, win_id);
+
+ /* enable relevant windows, starting from win_id = 1 because
+ * index 0 dedicated for BootROM
+ */
+ for (win_id = 1; win_id <= win_count; win_id++, win++) {
+ io_win_check(win);
+ io_win_enable_window(ap_index, win, win_id);
+ }
+
+#ifdef DEBUG_ADDR_MAP
+ dump_io_win(ap_index);
+#endif
+
+ INFO("Done IO WIN Address decoding Initializing\n");
+
+ return 0;
+}
diff --git a/drivers/marvell/iob.c b/drivers/marvell/iob.c
new file mode 100644
index 0000000..9f9d047
--- /dev/null
+++ b/drivers/marvell/iob.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2016 - 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* IOW unit device driver for Marvell CP110 and CP115 SoCs */
+
+#include <a8k_common.h>
+#include <arch_helpers.h>
+#include <debug.h>
+#include <iob.h>
+#include <mmio.h>
+#include <mvebu.h>
+#include <mvebu_def.h>
+
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+#define DEBUG_ADDR_MAP
+#endif
+
+#define MVEBU_IOB_OFFSET (0x190000)
+#define MVEBU_IOB_MAX_WINS 16
+
+/* common defines */
+#define WIN_ENABLE_BIT (0x1)
+/* Physical address of the base of the window = {AddrLow[19:0],20`h0} */
+#define ADDRESS_SHIFT (20 - 4)
+#define ADDRESS_MASK (0xFFFFFFF0)
+#define IOB_WIN_ALIGNMENT (0x100000)
+
+/* IOB registers */
+#define IOB_WIN_CR_OFFSET(win) (iob_base + 0x0 + (0x20 * win))
+#define IOB_TARGET_ID_OFFSET (8)
+#define IOB_TARGET_ID_MASK (0xF)
+
+#define IOB_WIN_SCR_OFFSET(win) (iob_base + 0x4 + (0x20 * win))
+#define IOB_WIN_ENA_CTRL_WRITE_SECURE (0x1)
+#define IOB_WIN_ENA_CTRL_READ_SECURE (0x2)
+#define IOB_WIN_ENA_WRITE_SECURE (0x4)
+#define IOB_WIN_ENA_READ_SECURE (0x8)
+
+#define IOB_WIN_ALR_OFFSET(win) (iob_base + 0x8 + (0x20 * win))
+#define IOB_WIN_AHR_OFFSET(win) (iob_base + 0xC + (0x20 * win))
+
+uintptr_t iob_base;
+
+static void iob_win_check(struct addr_map_win *win, uint32_t win_num)
+{
+ /* check if address is aligned to the size */
+ if (IS_NOT_ALIGN(win->base_addr, IOB_WIN_ALIGNMENT)) {
+ win->base_addr = ALIGN_UP(win->base_addr, IOB_WIN_ALIGNMENT);
+ ERROR("Window %d: base address unaligned to 0x%x\n",
+ win_num, IOB_WIN_ALIGNMENT);
+ tf_printf("Align up the base address to 0x%llx\n",
+ win->base_addr);
+ }
+
+ /* size parameter validity check */
+ if (IS_NOT_ALIGN(win->win_size, IOB_WIN_ALIGNMENT)) {
+ win->win_size = ALIGN_UP(win->win_size, IOB_WIN_ALIGNMENT);
+ ERROR("Window %d: window size unaligned to 0x%x\n", win_num,
+ IOB_WIN_ALIGNMENT);
+ tf_printf("Aligning size to 0x%llx\n", win->win_size);
+ }
+}
+
+static void iob_enable_win(struct addr_map_win *win, uint32_t win_id)
+{
+ uint32_t iob_win_reg;
+ uint32_t alr, ahr;
+ uint64_t end_addr;
+
+ end_addr = (win->base_addr + win->win_size - 1);
+ alr = (uint32_t)((win->base_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+ ahr = (uint32_t)((end_addr >> ADDRESS_SHIFT) & ADDRESS_MASK);
+
+ mmio_write_32(IOB_WIN_ALR_OFFSET(win_id), alr);
+ mmio_write_32(IOB_WIN_AHR_OFFSET(win_id), ahr);
+
+ iob_win_reg = WIN_ENABLE_BIT;
+ iob_win_reg |= (win->target_id & IOB_TARGET_ID_MASK)
+ << IOB_TARGET_ID_OFFSET;
+ mmio_write_32(IOB_WIN_CR_OFFSET(win_id), iob_win_reg);
+
+}
+
+#ifdef DEBUG_ADDR_MAP
+static void dump_iob(void)
+{
+ uint32_t win_id, win_cr, alr, ahr;
+ uint8_t target_id;
+ uint64_t start, end;
+ char *iob_target_name[IOB_MAX_TID] = {
+ "CFG ", "MCI0 ", "PEX1 ", "PEX2 ",
+ "PEX0 ", "NAND ", "RUNIT", "MCI1 " };
+
+ /* Dump all IOB windows */
+ tf_printf("bank id target start end\n");
+ tf_printf("----------------------------------------------------\n");
+ for (win_id = 0; win_id < MVEBU_IOB_MAX_WINS; win_id++) {
+ win_cr = mmio_read_32(IOB_WIN_CR_OFFSET(win_id));
+ if (win_cr & WIN_ENABLE_BIT) {
+ target_id = (win_cr >> IOB_TARGET_ID_OFFSET) &
+ IOB_TARGET_ID_MASK;
+ alr = mmio_read_32(IOB_WIN_ALR_OFFSET(win_id));
+ start = ((uint64_t)alr << ADDRESS_SHIFT);
+ if (win_id != 0) {
+ ahr = mmio_read_32(IOB_WIN_AHR_OFFSET(win_id));
+ end = (((uint64_t)ahr + 0x10) << ADDRESS_SHIFT);
+ } else {
+ /* Window #0 size is hardcoded to 16MB, as it's
+ * reserved for CP configuration space.
+ */
+ end = start + (16 << 20);
+ }
+ tf_printf("iob %02d %s 0x%016llx 0x%016llx\n",
+ win_id, iob_target_name[target_id],
+ start, end);
+ }
+ }
+}
+#endif
+
+void iob_cfg_space_update(int ap_idx, int cp_idx, uintptr_t base,
+ uintptr_t new_base)
+{
+ debug_enter();
+
+ iob_base = base + MVEBU_IOB_OFFSET;
+
+ NOTICE("Change the base address of AP%d-CP%d to %lx\n",
+ ap_idx, cp_idx, new_base);
+ mmio_write_32(IOB_WIN_ALR_OFFSET(0), new_base >> ADDRESS_SHIFT);
+
+ iob_base = new_base + MVEBU_IOB_OFFSET;
+
+ /* Make sure the address was configured by the CPU before
+ * any possible access to the CP.
+ */
+ dsb();
+
+ debug_exit();
+}
+
+int init_iob(uintptr_t base)
+{
+ struct addr_map_win *win;
+ uint32_t win_id, win_reg;
+ uint32_t win_count;
+
+ INFO("Initializing IOB Address decoding\n");
+
+ /* Get the base address of the address decoding MBUS */
+ iob_base = base + MVEBU_IOB_OFFSET;
+
+ /* Get the array of the windows and fill the map data */
+ marvell_get_iob_memory_map(&win, &win_count, base);
+ if (win_count <= 0) {
+ INFO("no windows configurations found\n");
+ return 0;
+ } else if (win_count > (MVEBU_IOB_MAX_WINS - 1)) {
+ ERROR("IOB mem map array > than max available windows (%d)\n",
+ MVEBU_IOB_MAX_WINS);
+ win_count = MVEBU_IOB_MAX_WINS;
+ }
+
+ /* disable all IOB windows, start from win_id = 1
+ * because can't disable internal register window
+ */
+ for (win_id = 1; win_id < MVEBU_IOB_MAX_WINS; win_id++) {
+ win_reg = mmio_read_32(IOB_WIN_CR_OFFSET(win_id));
+ win_reg &= ~WIN_ENABLE_BIT;
+ mmio_write_32(IOB_WIN_CR_OFFSET(win_id), win_reg);
+
+ win_reg = ~IOB_WIN_ENA_CTRL_WRITE_SECURE;
+ win_reg &= ~IOB_WIN_ENA_CTRL_READ_SECURE;
+ win_reg &= ~IOB_WIN_ENA_WRITE_SECURE;
+ win_reg &= ~IOB_WIN_ENA_READ_SECURE;
+ mmio_write_32(IOB_WIN_SCR_OFFSET(win_id), win_reg);
+ }
+
+ for (win_id = 1; win_id < win_count + 1; win_id++, win++) {
+ iob_win_check(win, win_id);
+ iob_enable_win(win, win_id);
+ }
+
+#ifdef DEBUG_ADDR_MAP
+ dump_iob();
+#endif
+
+ INFO("Done IOB Address decoding Initializing\n");
+
+ return 0;
+}