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authorAlistair Delva <adelva@google.com>2021-02-16 21:01:22 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-02-16 21:01:22 +0000
commitefb2826bb8160e2d8e0fcec85133a7468484f9fd (patch)
tree37a21c69306801ee7cdda5167a30896c8740155b /drivers/marvell
parentb00a71fc312c9781fa6f404dccfb55b062b2ccac (diff)
parentfaa476c0caaa598afa5a6109d17102db5fe35ec6 (diff)
downloadplatform_external_arm-trusted-firmware-master.tar.gz
platform_external_arm-trusted-firmware-master.tar.bz2
platform_external_arm-trusted-firmware-master.zip
Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'drivers/marvell')
-rw-r--r--drivers/marvell/ap807_clocks_init.c35
-rw-r--r--drivers/marvell/cache_llc.c84
-rw-r--r--drivers/marvell/ccu.c56
-rw-r--r--drivers/marvell/comphy/comphy-cp110.h67
-rw-r--r--drivers/marvell/comphy/phy-comphy-cp110.c225
-rw-r--r--drivers/marvell/comphy/phy-comphy-cp110.h12
-rw-r--r--drivers/marvell/comphy/phy-default-porting-layer.h8
-rw-r--r--drivers/marvell/mci.c27
-rw-r--r--drivers/marvell/mg_conf_cm3/mg_conf_cm3.c97
-rw-r--r--drivers/marvell/mg_conf_cm3/mg_conf_cm3.h9
-rw-r--r--drivers/marvell/mochi/ap807_setup.c85
-rw-r--r--drivers/marvell/mochi/apn806_setup.c63
-rw-r--r--drivers/marvell/mochi/cp110_setup.c10
-rw-r--r--drivers/marvell/uart/a3700_console.S51
14 files changed, 624 insertions, 205 deletions
diff --git a/drivers/marvell/ap807_clocks_init.c b/drivers/marvell/ap807_clocks_init.c
index 04c256b61..c1f861909 100644
--- a/drivers/marvell/ap807_clocks_init.c
+++ b/drivers/marvell/ap807_clocks_init.c
@@ -39,19 +39,29 @@
#define AP807_CPU_PLL_PARAM(cluster) AP807_CPU_PLL_CTRL(cluster)
#define AP807_CPU_PLL_CFG(cluster) (AP807_CPU_PLL_CTRL(cluster) + 0x4)
#define AP807_CPU_PLL_CFG_BYPASS_MODE (0x1)
+#define AP807_CPU_PLL_FRC_DSCHG (0x2)
#define AP807_CPU_PLL_CFG_USE_REG_FILE (0x1 << 9)
static void pll_set_freq(unsigned int freq_val)
{
int i;
+ if (freq_val != PLL_FREQ_2200)
+ return;
+
for (i = 0 ; i < AP807_CLUSTER_NUM ; i++) {
+ /* Set parameter of cluster i PLL to 2.2GHz */
+ mmio_write_32(AP807_CPU_PLL_PARAM(i), freq_val);
+ /* Set apll_lpf_frc_dschg - Control
+ * voltage of internal VCO is discharged
+ */
mmio_write_32(AP807_CPU_PLL_CFG(i),
- AP807_CPU_PLL_CFG_USE_REG_FILE);
+ AP807_CPU_PLL_FRC_DSCHG);
+ /* Set use_rf_conf load PLL parameter from register */
mmio_write_32(AP807_CPU_PLL_CFG(i),
- AP807_CPU_PLL_CFG_USE_REG_FILE |
- AP807_CPU_PLL_CFG_BYPASS_MODE);
- mmio_write_32(AP807_CPU_PLL_PARAM(i), freq_val);
+ AP807_CPU_PLL_FRC_DSCHG |
+ AP807_CPU_PLL_CFG_USE_REG_FILE);
+ /* Un-set apll_lpf_frc_dschg */
mmio_write_32(AP807_CPU_PLL_CFG(i),
AP807_CPU_PLL_CFG_USE_REG_FILE);
}
@@ -84,19 +94,16 @@ static void aro_to_pll(void)
*/
void ap807_clocks_init(unsigned int freq_option)
{
- /* Switch from ARO to PLL */
- aro_to_pll();
-
/* Modifications in frequency table:
* 0x0: 764x: change to 2000 MHz.
* 0x2: 744x change to 1800 MHz, 764x change to 2200/2400.
* 0x3: 3900/744x/764x change to 1200 MHz.
*/
- switch (freq_option) {
- case CPU_2000_DDR_1200_RCLK_1200:
- pll_set_freq(PLL_FREQ_2000);
- break;
- default:
- break;
- }
+
+ if (freq_option == CPU_2200_DDR_1200_RCLK_1200)
+ pll_set_freq(PLL_FREQ_2200);
+
+ /* Switch from ARO to PLL */
+ aro_to_pll();
+
}
diff --git a/drivers/marvell/cache_llc.c b/drivers/marvell/cache_llc.c
index 3df93a43b..4b06b4752 100644
--- a/drivers/marvell/cache_llc.c
+++ b/drivers/marvell/cache_llc.c
@@ -31,19 +31,19 @@ void llc_cache_sync(int ap_index)
void llc_flush_all(int ap_index)
{
- mmio_write_32(L2X0_CLEAN_INV_WAY(ap_index), LLC_WAY_MASK);
+ mmio_write_32(LLC_CLEAN_INV_WAY(ap_index), LLC_ALL_WAYS_MASK);
llc_cache_sync(ap_index);
}
void llc_clean_all(int ap_index)
{
- mmio_write_32(L2X0_CLEAN_WAY(ap_index), LLC_WAY_MASK);
+ mmio_write_32(LLC_CLEAN_WAY(ap_index), LLC_ALL_WAYS_MASK);
llc_cache_sync(ap_index);
}
void llc_inv_all(int ap_index)
{
- mmio_write_32(L2X0_INV_WAY(ap_index), LLC_WAY_MASK);
+ mmio_write_32(LLC_INV_WAY(ap_index), LLC_ALL_WAYS_MASK);
llc_cache_sync(ap_index);
}
@@ -109,3 +109,81 @@ void llc_runtime_enable(int ap_index)
reg |= (0x1 << CCU_SET_POC_OFFSET);
mmio_write_32(CCU_HTC_CR(ap_index), reg);
}
+
+#if LLC_SRAM
+int llc_sram_enable(int ap_index, int size)
+{
+ uint32_t tc, way, ways_to_allocate;
+ uint32_t way_addr;
+
+ if ((size <= 0) || (size > LLC_SIZE) || (size % LLC_WAY_SIZE))
+ return -1;
+
+ llc_enable(ap_index, 1);
+ llc_inv_all(ap_index);
+
+ ways_to_allocate = size / LLC_WAY_SIZE;
+
+ /* Lockdown all available ways for all traffic classes */
+ for (tc = 0; tc < LLC_TC_NUM; tc++)
+ mmio_write_32(LLC_TCN_LOCK(ap_index, tc), LLC_ALL_WAYS_MASK);
+
+ /* Clear the high bits of SRAM address */
+ mmio_write_32(LLC_BANKED_MNT_AHR(ap_index), 0);
+
+ way_addr = PLAT_MARVELL_TRUSTED_RAM_BASE;
+ for (way = 0; way < ways_to_allocate; way++) {
+ /* Trigger allocation block command */
+ mmio_write_32(LLC_BLK_ALOC(ap_index),
+ LLC_BLK_ALOC_BASE_ADDR(way_addr) |
+ LLC_BLK_ALOC_WAY_DATA_SET |
+ LLC_BLK_ALOC_WAY_ID(way));
+ way_addr += LLC_WAY_SIZE;
+ }
+ return 0;
+}
+
+void llc_sram_disable(int ap_index)
+{
+ uint32_t tc;
+
+ /* Disable the line lockings */
+ for (tc = 0; tc < LLC_TC_NUM; tc++)
+ mmio_write_32(LLC_TCN_LOCK(ap_index, tc), 0);
+
+ /* Invalidate all ways */
+ llc_inv_all(ap_index);
+}
+
+int llc_sram_test(int ap_index, int size, char *msg)
+{
+ uintptr_t addr, end_addr;
+ uint32_t data = 0;
+
+ if ((size <= 0) || (size > LLC_SIZE))
+ return -1;
+
+ INFO("=== LLC SRAM WRITE test %s\n", msg);
+ for (addr = PLAT_MARVELL_TRUSTED_RAM_BASE,
+ end_addr = PLAT_MARVELL_TRUSTED_RAM_BASE + size;
+ addr < end_addr; addr += 4) {
+ mmio_write_32(addr, addr);
+ }
+ INFO("=== LLC SRAM WRITE test %s PASSED\n", msg);
+ INFO("=== LLC SRAM READ test %s\n", msg);
+ for (addr = PLAT_MARVELL_TRUSTED_RAM_BASE,
+ end_addr = PLAT_MARVELL_TRUSTED_RAM_BASE + size;
+ addr < end_addr; addr += 4) {
+ data = mmio_read_32(addr);
+ if (data != addr) {
+ INFO("=== LLC SRAM READ test %s FAILED @ 0x%08lx)\n",
+ msg, addr);
+ return -1;
+ }
+ }
+ INFO("=== LLC SRAM READ test %s PASSED (last read = 0x%08x)\n",
+ msg, data);
+ return 0;
+}
+
+#endif /* LLC_SRAM */
diff --git a/drivers/marvell/ccu.c b/drivers/marvell/ccu.c
index 1e4ab44da..b4251f49b 100644
--- a/drivers/marvell/ccu.c
+++ b/drivers/marvell/ccu.c
@@ -26,10 +26,40 @@
#define ADDRESS_MASK (0xFFFFFFF0)
#define CCU_WIN_ALIGNMENT (0x100000)
+/*
+ * Physical address of the highest address of window bits[31:19] = 0x6FF
+ * Physical address of the lowest address of window bits[18:6] = 0x6E0
+ * Unit Id bits [5:2] = 2
+ * RGF Window Enable bit[0] = 1
+ * 0x37f9b809 - 11011111111 0011011100000 0010 0 1
+ */
+#define ERRATA_WA_CCU_WIN4 0x37f9b809U
+
+/*
+ * Physical address of the highest address of window bits[31:19] = 0xFFF
+ * Physical address of the lowest address of window bits[18:6] = 0x800
+ * Unit Id bits [5:2] = 2
+ * RGF Window Enable bit[0] = 1
+ * 0x7ffa0009 - 111111111111 0100000000000 0010 0 1
+ */
+#define ERRATA_WA_CCU_WIN5 0x7ffa0009U
+
+/*
+ * Physical address of the highest address of window bits[31:19] = 0x1FFF
+ * Physical address of the lowest address of window bits[18:6] = 0x1000
+ * Unit Id bits [5:2] = 2
+ * RGF Window Enable bit[0] = 1
+ * 0xfffc000d - 1111111111111 1000000000000 0011 0 1
+ */
+#define ERRATA_WA_CCU_WIN6 0xfffc000dU
+
#define IS_DRAM_TARGET(tgt) ((((tgt) == DRAM_0_TID) || \
((tgt) == DRAM_1_TID) || \
((tgt) == RAR_TID)) ? 1 : 0)
+#define CCU_RGF(win) (MVEBU_CCU_BASE(MVEBU_AP0) + \
+ 0x90 + 4 * (win))
+
/* For storage of CR, SCR, ALR, AHR abd GCR */
static uint32_t ccu_regs_save[MVEBU_CCU_MAX_WINS * 4 + 1];
@@ -54,8 +84,8 @@ static void dump_ccu(int ap_index)
win_id));
start = ((uint64_t)alr << ADDRESS_SHIFT);
end = (((uint64_t)ahr + 0x10) << ADDRESS_SHIFT);
- printf("\tccu %02x 0x%016llx 0x%016llx\n",
- target_id, start, end);
+ printf("\tccu%d %02x 0x%016llx 0x%016llx\n",
+ win_id, target_id, start, end);
}
}
win_cr = mmio_read_32(CCU_WIN_GCR_OFFSET(ap_index));
@@ -81,6 +111,12 @@ void ccu_win_check(struct addr_map_win *win)
}
}
+int ccu_is_win_enabled(int ap_index, uint32_t win_id)
+{
+ return mmio_read_32(CCU_WIN_CR_OFFSET(ap_index, win_id)) &
+ WIN_ENABLE_BIT;
+}
+
void ccu_enable_win(int ap_index, struct addr_map_win *win, uint32_t win_id)
{
uint32_t ccu_win_reg;
@@ -360,3 +396,19 @@ int init_ccu(int ap_index)
return 0;
}
+
+void errata_wa_init(void)
+{
+ /*
+ * EERATA ID: RES-3033912 - Internal Address Space Init state causes
+ * a hang upon accesses to [0xf070_0000, 0xf07f_ffff]
+ * Workaround: Boot Firmware (ATF) should configure CCU_RGF_WIN(4) to
+ * split [0x6e_0000, 0x1ff_ffff] to values [0x6e_0000, 0x6f_ffff] and
+ * [0x80_0000, 0xff_ffff] and [0x100_0000, 0x1ff_ffff],that cause
+ * accesses to the segment of [0xf070_0000, 0xf1ff_ffff]
+ * to act as RAZWI.
+ */
+ mmio_write_32(CCU_RGF(4), ERRATA_WA_CCU_WIN4);
+ mmio_write_32(CCU_RGF(5), ERRATA_WA_CCU_WIN5);
+ mmio_write_32(CCU_RGF(6), ERRATA_WA_CCU_WIN6);
+}
diff --git a/drivers/marvell/comphy/comphy-cp110.h b/drivers/marvell/comphy/comphy-cp110.h
index 6eb7fd0d2..9b10619ed 100644
--- a/drivers/marvell/comphy/comphy-cp110.h
+++ b/drivers/marvell/comphy/comphy-cp110.h
@@ -116,6 +116,9 @@
(0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET)
#define SD_EXTERNAL_CONFIG1_REG 0x4
+#define SD_EXTERNAL_CONFIG1_TX_IDLE_OFFSET 2
+#define SD_EXTERNAL_CONFIG1_TX_IDLE_MASK \
+ (0x1 << SD_EXTERNAL_CONFIG1_TX_IDLE_OFFSET)
#define SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET 3
#define SD_EXTERNAL_CONFIG1_RESET_IN_MASK \
(0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET)
@@ -352,6 +355,14 @@
#define HPIPE_CDR_LOCK_DET_EN_MASK \
(0x1 << HPIPE_CDR_LOCK_DET_EN_OFFSET)
+#define HPIPE_SYNC_PATTERN_REG 0x090
+#define HPIPE_SYNC_PATTERN_TXD_INV_OFFSET 10
+#define HPIPE_SYNC_PATTERN_TXD_INV_MASK \
+ (0x1 << HPIPE_SYNC_PATTERN_TXD_INV_OFFSET)
+#define HPIPE_SYNC_PATTERN_RXD_INV_OFFSET 11
+#define HPIPE_SYNC_PATTERN_RXD_INV_MASK \
+ (0x1 << HPIPE_SYNC_PATTERN_RXD_INV_OFFSET)
+
#define HPIPE_INTERFACE_REG 0x94
#define HPIPE_INTERFACE_GEN_MAX_OFFSET 10
#define HPIPE_INTERFACE_GEN_MAX_MASK \
@@ -659,18 +670,32 @@
(0x3f << HPIPE_SAVED_DFE_VALUES_SAV_F0D_OFFSET)
#define HPIPE_CDR_CONTROL_REG 0x418
-#define HPIPE_CDR_RX_MAX_DFE_ADAPT_0_OFFSET 14
-#define HPIPE_CDR_RX_MAX_DFE_ADAPT_0_MASK \
- (0x3 << HPIPE_CDR_RX_MAX_DFE_ADAPT_0_OFFSET)
-#define HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET 12
-#define HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK \
- (0x3 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET)
-#define HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET 9
-#define HPIPE_CDR_MAX_DFE_ADAPT_0_MASK \
- (0x7 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET)
+#define HPIPE_CRD_MIDPOINT_PHASE_OS_OFFSET 0
+#define HPIPE_CRD_MIDPOINT_PHASE_OS_MASK \
+ (0x3f << HPIPE_CRD_MIDPOINT_PHASE_OS_OFFSET)
#define HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET 6
#define HPIPE_CDR_MAX_DFE_ADAPT_1_MASK \
(0x7 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET)
+#define HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET 9
+#define HPIPE_CDR_MAX_DFE_ADAPT_0_MASK \
+ (0x7 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET)
+#define HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET 12
+#define HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK \
+ (0x3 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET)
+#define HPIPE_CDR_RX_MAX_DFE_ADAPT_0_OFFSET 14
+#define HPIPE_CDR_RX_MAX_DFE_ADAPT_0_MASK \
+ (0x3 << HPIPE_CDR_RX_MAX_DFE_ADAPT_0_OFFSET)
+
+
+#define HPIPE_CDR_CONTROL1_REG 0x41c
+#define HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_OFF 12
+#define HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_MASK \
+ (0xf << HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_OFF)
+
+#define HPIPE_CDR_CONTROL2_REG 0x420
+#define HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_OFF 12
+#define HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_MASK \
+ (0xf << HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_OFF)
#define HPIPE_TX_TRAIN_CTRL_11_REG 0x438
#define HPIPE_TX_STATUS_CHECK_MODE_OFFSET 6
@@ -749,6 +774,30 @@
#define HPIPE_DFE_CTRL_28_PIPE4_MASK \
(0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET)
+#define HPIPE_TRX0_REG 0x4cc /*in doc 0x133*4*/
+#define HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_OFF 2
+#define HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_MASK \
+ (0x1 << HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_OFF)
+#define HPIPE_TRX0_GAIN_TRAIN_WITH_C_OFF 0
+#define HPIPE_TRX0_GAIN_TRAIN_WITH_C_MASK \
+ (0x1 << HPIPE_TRX0_GAIN_TRAIN_WITH_C_OFF)
+
+#define HPIPE_TRX_REG1 0x4d0 /*in doc 0x134*4*/
+#define HPIPE_TRX_REG1_MIN_BOOST_MODE_OFF 3
+#define HPIPE_TRX_REG1_MIN_BOOST_MODE_MASK \
+ (0x1 << HPIPE_TRX_REG1_MIN_BOOST_MODE_OFF)
+#define HPIPE_TRX_REG1_SUMFTAP_EN_OFF 10
+#define HPIPE_TRX_REG1_SUMFTAP_EN_MASK \
+ (0x3f << HPIPE_TRX_REG1_SUMFTAP_EN_OFF)
+
+#define HPIPE_TRX_REG2 0x4d8 /*in doc 0x136*4*/
+#define HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF 11
+#define HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_MASK \
+ (0x1f << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF)
+#define HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_OFF 7
+#define HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_MASK \
+ (0xf << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_OFF)
+
#define HPIPE_G1_SETTING_5_REG 0x538
#define HPIPE_G1_SETTING_5_G1_ICP_OFFSET 0
#define HPIPE_G1_SETTING_5_G1_ICP_MASK \
diff --git a/drivers/marvell/comphy/phy-comphy-cp110.c b/drivers/marvell/comphy/phy-comphy-cp110.c
index 384dd39f2..d1c26f8d3 100644
--- a/drivers/marvell/comphy/phy-comphy-cp110.c
+++ b/drivers/marvell/comphy/phy-comphy-cp110.c
@@ -11,6 +11,7 @@
#include <common/debug.h>
#include <drivers/delay_timer.h>
+#include <mg_conf_cm3/mg_conf_cm3.h>
#include <lib/mmio.h>
#include <lib/spinlock.h>
@@ -209,8 +210,10 @@ static void mvebu_cp110_comphy_set_phy_selector(uint64_t comphy_base,
* as SFI1/XFI1 available only for CP115.
*/
if ((mode == COMPHY_SGMII_MODE ||
- mode == COMPHY_HS_SGMII_MODE ||
- mode == COMPHY_SFI_MODE || mode == COMPHY_XFI_MODE)
+ mode == COMPHY_HS_SGMII_MODE ||
+ mode == COMPHY_SFI_MODE ||
+ mode == COMPHY_XFI_MODE ||
+ mode == COMPHY_AP_MODE)
&& COMPHY_GET_ID(comphy_mode) == 1)
reg |= COMMON_SELECTOR_COMPHY4_PORT1 <<
comphy_offset;
@@ -320,12 +323,33 @@ int mvebu_cp110_comphy_is_pll_locked(uint64_t comphy_base, uint8_t comphy_index)
return ret;
}
+static void mvebu_cp110_polarity_invert(uintptr_t addr, uint8_t phy_polarity_invert)
+{
+ uint32_t mask, data;
+
+ /* Set RX / TX polarity */
+ data = mask = 0x0U;
+ if ((phy_polarity_invert & COMPHY_POLARITY_TXD_INVERT) != 0) {
+ data |= (1 << HPIPE_SYNC_PATTERN_TXD_INV_OFFSET);
+ mask |= HPIPE_SYNC_PATTERN_TXD_INV_MASK;
+ debug("%s: inverting TX polarity\n", __func__);
+ }
+
+ if ((phy_polarity_invert & COMPHY_POLARITY_RXD_INVERT) != 0) {
+ data |= (1 << HPIPE_SYNC_PATTERN_RXD_INV_OFFSET);
+ mask |= HPIPE_SYNC_PATTERN_RXD_INV_MASK;
+ debug("%s: inverting RX polarity\n", __func__);
+ }
+
+ reg_set(addr, data, mask);
+}
+
static int mvebu_cp110_comphy_sata_power_on(uint64_t comphy_base,
uint8_t comphy_index, uint32_t comphy_mode)
{
uintptr_t hpipe_addr, sd_ip_addr, comphy_addr;
uint32_t mask, data;
- uint8_t ap_nr, cp_nr;
+ uint8_t ap_nr, cp_nr, phy_polarity_invert;
int ret = 0;
debug_enter();
@@ -335,6 +359,7 @@ static int mvebu_cp110_comphy_sata_power_on(uint64_t comphy_base,
const struct sata_params *sata_static_values =
&sata_static_values_tab[ap_nr][cp_nr][comphy_index];
+ phy_polarity_invert = sata_static_values->polarity_invert;
/* configure phy selector for SATA */
mvebu_cp110_comphy_set_phy_selector(comphy_base,
@@ -626,6 +651,11 @@ static int mvebu_cp110_comphy_sata_power_on(uint64_t comphy_base,
reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET,
HPIPE_PWR_CTR_RST_DFE_MASK);
+
+ if (phy_polarity_invert != 0)
+ mvebu_cp110_polarity_invert(hpipe_addr + HPIPE_SYNC_PATTERN_REG,
+ phy_polarity_invert);
+
/* SW reset for interrupt logic */
reg_set(hpipe_addr + HPIPE_PWR_CTR_REG,
0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET,
@@ -895,11 +925,21 @@ static int mvebu_cp110_comphy_xfi_power_on(uint64_t comphy_base,
data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
+ mask |= SD_EXTERNAL_CONFIG1_TX_IDLE_MASK;
+ data |= 0x1 << SD_EXTERNAL_CONFIG1_TX_IDLE_OFFSET;
reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
/* Wait 1ms - until band gap and ref clock ready */
mdelay(1);
+ /*
+ * Erratum IPCE_COMPHY-1353: toggle TX_IDLE bit in
+ * addition to the PHY reset
+ */
+ mask = SD_EXTERNAL_CONFIG1_TX_IDLE_MASK;
+ data = 0x0U;
+ reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
+
/* Start comphy Configuration */
debug("stage: Comphy configuration\n");
/* set reference clock */
@@ -1882,6 +1922,7 @@ static int mvebu_cp110_comphy_usb3_power_on(uint64_t comphy_base,
{
uintptr_t hpipe_addr, comphy_addr, addr;
uint32_t mask, data;
+ uint8_t ap_nr, cp_nr, phy_polarity_invert;
int ret = 0;
debug_enter();
@@ -1890,6 +1931,13 @@ static int mvebu_cp110_comphy_usb3_power_on(uint64_t comphy_base,
mvebu_cp110_comphy_set_pipe_selector(comphy_base, comphy_index,
comphy_mode);
+ mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base);
+
+ const struct usb_params *usb_static_values =
+ &usb_static_values_tab[ap_nr][cp_nr][comphy_index];
+
+ phy_polarity_invert = usb_static_values->polarity_invert;
+
hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base),
comphy_index);
comphy_addr = COMPHY_ADDR(comphy_base, comphy_index);
@@ -1969,6 +2017,13 @@ static int mvebu_cp110_comphy_usb3_power_on(uint64_t comphy_base,
0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET,
HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK);
+ /* The polarity inversion for USB was not tested due to lack of hw
+ * design which requires it. Support is added for customer needs.
+ */
+ if (phy_polarity_invert)
+ mvebu_cp110_polarity_invert(hpipe_addr + HPIPE_SYNC_PATTERN_REG,
+ phy_polarity_invert);
+
/* Start analog parameters from ETP(HW) */
debug("stage: Analog parameters from ETP(HW)\n");
/* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */
@@ -2012,12 +2067,58 @@ static int mvebu_cp110_comphy_usb3_power_on(uint64_t comphy_base,
return ret;
}
+static void rx_pre_train(uint64_t comphy_base, uint8_t comphy_index)
+{
+ uintptr_t hpipe_addr;
+ uint32_t mask, data;
+
+ hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base),
+ comphy_index);
+
+ debug("rx_training preparation\n\n");
+
+ mask = HPIPE_TRX0_GAIN_TRAIN_WITH_C_MASK;
+ data = (0x1 << HPIPE_TRX0_GAIN_TRAIN_WITH_C_OFF);
+ mask |= HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_MASK;
+ data |= (0x0 << HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_OFF);
+ reg_set(hpipe_addr + HPIPE_TRX0_REG, data, mask);
+
+
+ mask = HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_MASK;
+ data = (0x1e << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF);
+ mask |= HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_MASK;
+ data |= (0x0 << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_OFF);
+ reg_set(hpipe_addr + HPIPE_TRX_REG2, data, mask);
+
+ mask = HPIPE_TRX_REG1_MIN_BOOST_MODE_MASK;
+ data = (0x1 << HPIPE_TRX_REG1_MIN_BOOST_MODE_OFF);
+ reg_set(hpipe_addr + HPIPE_TRX_REG1, data, mask);
+
+ mask = HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_MASK;
+ data = (0x8 << HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_OFF);
+ reg_set(hpipe_addr + HPIPE_CDR_CONTROL1_REG, data, mask);
+
+ mask = HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_MASK;
+ data = (0x8 << HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_OFF);
+ reg_set(hpipe_addr + HPIPE_CDR_CONTROL2_REG, data, mask);
+
+ mask = HPIPE_CRD_MIDPOINT_PHASE_OS_MASK;
+ data = (0x0 << HPIPE_CRD_MIDPOINT_PHASE_OS_OFFSET);
+ reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask);
+
+ mask = HPIPE_TRX_REG1_SUMFTAP_EN_MASK;
+ data = (0x38 << HPIPE_TRX_REG1_SUMFTAP_EN_OFF);
+ mask |= HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_MASK;
+ data |= (0x1e << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF);
+ reg_set(hpipe_addr + HPIPE_TRX_REG1, data, mask);
+}
+
int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
uint8_t comphy_index)
{
uint32_t mask, data, timeout;
uint32_t g1_ffe_cap_sel, g1_ffe_res_sel, align90, g1_dfe_res;
- uintptr_t hpipe_addr, sd_ip_addr;
+ uintptr_t hpipe_addr;
uint8_t ap_nr, cp_nr;
@@ -2025,30 +2126,10 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base),
comphy_index);
- sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base),
- comphy_index);
debug_enter();
- debug("stage: RF Reset\n");
-
- /* Release from hard reset */
- mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
- data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
- mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
- data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
- mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK;
- data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET;
- reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
-
- mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK;
- data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET;
- mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK;
- data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET;
- reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask);
-
- /* Wait 50ms - until band gap and ref clock ready */
- mdelay(50);
+ rx_pre_train(comphy_base, comphy_index);
debug("Preparation for rx_training\n\n");
@@ -2068,34 +2149,10 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
data = 0 << HPIPE_DFE_RES_FORCE_OFFSET;
reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
- debug("PRBS31 loppback\n\n");
-
- /* Configure PRBS counters */
- mask = HPIPE_PHY_TEST_PATTERN_SEL_MASK;
- data = 0xe << HPIPE_PHY_TEST_PATTERN_SEL_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_DATA_MASK;
- data = 0xc4 << HPIPE_PHY_TEST_DATA_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_DATA_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_EN_MASK;
- data = 0x1 << HPIPE_PHY_TEST_EN_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- mdelay(10);
- debug("Enable TX/RX training\n\n");
+ debug("Enable RX training\n\n");
mask = HPIPE_TRX_RX_TRAIN_EN_MASK;
data = 0x1 << HPIPE_TRX_RX_TRAIN_EN_OFFSET;
- mask |= HPIPE_TRX_RX_ANA_IF_CLK_ENE_MASK;
- data |= 0x1 << HPIPE_TRX_RX_ANA_IF_CLK_ENE_OFFSET;
- mask |= HPIPE_TRX_TX_CTRL_CLK_EN_MASK;
- data |= 0x1 << HPIPE_TRX_TX_CTRL_CLK_EN_OFFSET;
- mask |= HPIPE_TRX_UPDATE_THEN_HOLD_MASK;
- data |= 0x1 << HPIPE_TRX_UPDATE_THEN_HOLD_OFFSET;
- mask |= HPIPE_TRX_TX_F0T_EO_BASED_MASK;
- data |= 0x1 << HPIPE_TRX_TX_F0T_EO_BASED_OFFSET;
reg_set(hpipe_addr + HPIPE_TRX_TRAIN_CTRL_0_REG, data, mask);
/* Check the result of RX training */
@@ -2180,21 +2237,9 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
data = 1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET;
reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask);
- /* Use the value from CAL_OS_PH_EXT */
- mask = HPIPE_CAL_RXCLKALIGN_90_EXT_EN_MASK;
- data = 1 << HPIPE_CAL_RXCLKALIGN_90_EXT_EN_OFFSET;
- reg_set(hpipe_addr + HPIPE_RX_CLK_ALIGN90_AND_TX_IDLE_CALIB_CTRL_REG,
- data, mask);
-
- /* Update align90 */
- mask = HPIPE_CAL_OS_PH_EXT_MASK;
- data = align90 << HPIPE_CAL_OS_PH_EXT_OFFSET;
- reg_set(hpipe_addr + HPIPE_RX_CLK_ALIGN90_AND_TX_IDLE_CALIB_CTRL_REG,
- data, mask);
-
/* Force DFE resolution (use gen table value) */
mask = HPIPE_DFE_RES_FORCE_MASK;
- data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET;
+ data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET;
reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask);
/* 0x111-G1 DFE_Setting_4 */
@@ -2202,41 +2247,9 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
data = g1_dfe_res << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET;
reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask);
- debug("PRBS31 loppback\n\n");
-
- mask = HPIPE_PHY_TEST_PT_TESTMODE_MASK;
- data = 0x1 << HPIPE_PHY_TEST_PT_TESTMODE_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_OOB_0_REGISTER, data, mask);
-
- /* Configure PRBS counters */
- mask = HPIPE_PHY_TEST_PATTERN_SEL_MASK;
- data = 0xe << HPIPE_PHY_TEST_PATTERN_SEL_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_DATA_MASK;
- data = 0xc4 << HPIPE_PHY_TEST_DATA_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_DATA_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_EN_MASK;
- data = 0x1 << HPIPE_PHY_TEST_EN_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- /* Reset PRBS error counter */
- mask = HPIPE_PHY_TEST_PATTERN_SEL_MASK;
- data = 0x1 << HPIPE_PHY_TEST_RESET_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_PATTERN_SEL_MASK;
- data = 0x0 << HPIPE_PHY_TEST_RESET_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_CONTROL_REG, data, mask);
-
- mask = HPIPE_PHY_TEST_PT_TESTMODE_MASK;
- data = 0x1 << HPIPE_PHY_TEST_PT_TESTMODE_OFFSET;
- reg_set(hpipe_addr + HPIPE_PHY_TEST_OOB_0_REGISTER, data, mask);
-
printf("########################################################\n");
printf("# To use trained values update the ATF sources:\n");
- printf("# plat/marvell/a8k/<board_type>/board/phy-porting-layer.h ");
+ printf("# plat/marvell/armada/a8k/<board_type>/board/phy-porting-layer.h ");
printf("file\n# with new values as below (for appropriate AP nr %d",
ap_nr);
printf("and CP nr: %d comphy_index %d\n\n",
@@ -2252,12 +2265,6 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
printf("};\n\n");
printf("########################################################\n");
- /* check */
- debug("PRBS error counter[0x%lx] 0x%x\n\n",
- hpipe_addr + HPIPE_PHY_TEST_PRBS_ERROR_COUNTER_1_REG,
- mmio_read_32(hpipe_addr +
- HPIPE_PHY_TEST_PRBS_ERROR_COUNTER_1_REG));
-
rx_trainng_done[ap_nr][cp_nr][comphy_index] = 1;
return 0;
@@ -2273,12 +2280,17 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
* the network registers like: MG, AP, MAC, PCS, Serdes etc.)
*/
static int mvebu_cp110_comphy_ap_power_on(uint64_t comphy_base,
- uint8_t comphy_index)
+ uint8_t comphy_index,
+ uint32_t comphy_mode)
{
uint32_t mask, data;
+ uint8_t ap_nr, cp_nr;
uintptr_t comphy_addr = comphy_addr =
COMPHY_ADDR(comphy_base, comphy_index);
+ /* configure phy selector for XFI/SFI */
+ mvebu_cp110_comphy_set_phy_selector(comphy_base, comphy_index,
+ comphy_mode);
debug_enter();
debug("stage: RFU configurations - hard reset comphy\n");
/* RFU configurations - hard reset comphy */
@@ -2289,6 +2301,10 @@ static int mvebu_cp110_comphy_ap_power_on(uint64_t comphy_base,
reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask);
debug_exit();
+ /* Start AP Firmware */
+ mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base);
+ mg_start_ap_fw(cp_nr, comphy_index);
+
return 0;
}
@@ -2371,7 +2387,8 @@ int mvebu_cp110_comphy_power_on(uint64_t comphy_base, uint8_t comphy_index,
comphy_mode);
break;
case (COMPHY_AP_MODE):
- err = mvebu_cp110_comphy_ap_power_on(comphy_base, comphy_index);
+ err = mvebu_cp110_comphy_ap_power_on(comphy_base, comphy_index,
+ comphy_mode);
break;
default:
ERROR("comphy%d: unsupported comphy mode\n", comphy_index);
diff --git a/drivers/marvell/comphy/phy-comphy-cp110.h b/drivers/marvell/comphy/phy-comphy-cp110.h
index 407909bf7..b4a210242 100644
--- a/drivers/marvell/comphy/phy-comphy-cp110.h
+++ b/drivers/marvell/comphy/phy-comphy-cp110.h
@@ -7,7 +7,7 @@
/* Those are parameters for xfi mode, which need to be tune for each board type.
* For known DB boards the parameters was already calibrated and placed under
- * the plat/marvell/a8k/<board_type>/board/phy-porting-layer.h
+ * the plat/marvell/armada/a8k/<board_type>/board/phy-porting-layer.h
*/
struct xfi_params {
uint8_t g1_ffe_res_sel;
@@ -76,9 +76,15 @@ struct sata_params {
uint8_t g2_rx_selmupi;
uint8_t g3_rx_selmupi;
+ uint8_t polarity_invert;
+
_Bool valid;
};
+struct usb_params {
+ uint8_t polarity_invert;
+};
+
int mvebu_cp110_comphy_is_pll_locked(uint64_t comphy_base,
uint8_t comphy_index);
int mvebu_cp110_comphy_power_off(uint64_t comphy_base,
@@ -89,3 +95,7 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base,
uint8_t comphy_index);
int mvebu_cp110_comphy_digital_reset(uint64_t comphy_base, uint8_t comphy_index,
uint32_t comphy_mode, uint32_t command);
+
+#define COMPHY_POLARITY_NO_INVERT 0
+#define COMPHY_POLARITY_TXD_INVERT 1
+#define COMPHY_POLARITY_RXD_INVERT 2
diff --git a/drivers/marvell/comphy/phy-default-porting-layer.h b/drivers/marvell/comphy/phy-default-porting-layer.h
index b3ad7eb14..3c63c64b8 100644
--- a/drivers/marvell/comphy/phy-default-porting-layer.h
+++ b/drivers/marvell/comphy/phy-default-porting-layer.h
@@ -45,7 +45,15 @@ static const struct sata_params
.g3_rx_selmupf = 0x2,
.g1_rx_selmupi = 0x0, .g2_rx_selmupi = 0x0,
.g3_rx_selmupi = 0x2,
+ .polarity_invert = COMPHY_POLARITY_NO_INVERT,
.valid = 0x1
},
};
+
+static const struct usb_params
+ usb_static_values_tab[AP_NUM][CP_NUM][MAX_LANE_NR] = {
+ [0 ... AP_NUM-1][0 ... CP_NUM-1][0 ... MAX_LANE_NR-1] = {
+ .polarity_invert = COMPHY_POLARITY_NO_INVERT
+ },
+};
#endif /* PHY_DEFAULT_PORTING_LAYER_H */
diff --git a/drivers/marvell/mci.c b/drivers/marvell/mci.c
index 06fe88e13..2b5470042 100644
--- a/drivers/marvell/mci.c
+++ b/drivers/marvell/mci.c
@@ -571,21 +571,21 @@ static int mci_enable_simultaneous_transactions(int mci_index)
debug_enter();
/* ID assignment (assigning global ID offset to CP) */
- mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(0),
+ mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(mci_index),
MCI_DID_GLOBAL_ASSIGN_REQ_MCI_LOCAL_ID(2) |
MCI_DID_GLOBAL_ASSIGN_REQ_MCI_COUNT(2) |
MCI_DID_GLOBAL_ASSIGN_REQ_HOPS_NUM(2));
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_DID_GLOBAL_ASSIGNMENT_REQUEST_REG) |
MCI_INDIRECT_CTRL_ASSIGN_CMD);
ret |= mci_poll_command_completion(mci_index, MCI_CMD_WRITE);
/* Assigning dest. ID=3 to all transactions entering from AXI at AP */
- mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(0),
+ mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(mci_index),
MCI_HB_CTRL_WIN0_DEST_VALID_FLAG(1) |
MCI_HB_CTRL_WIN0_DEST_ID(3));
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_HB_CTRL_WIN0_DESTINATION_REG_NUM) |
MCI_INDIRECT_CTRL_HOPID(GID_AXI_HB) |
@@ -593,10 +593,10 @@ static int mci_enable_simultaneous_transactions(int mci_index)
ret |= mci_poll_command_completion(mci_index, MCI_CMD_WRITE);
/* Assigning dest. ID=1 to all transactions entering from AXI at CP */
- mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(0),
+ mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(mci_index),
MCI_HB_CTRL_WIN0_DEST_VALID_FLAG(1) |
MCI_HB_CTRL_WIN0_DEST_ID(1));
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_HB_CTRL_WIN0_DESTINATION_REG_NUM) |
MCI_INDIRECT_CTRL_HOPID(GID_IHB_EXT) |
@@ -607,8 +607,8 @@ static int mci_enable_simultaneous_transactions(int mci_index)
* This will lead to get match for any AXI address
* and receive destination ID=3
*/
- mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(0), 0xffffffff);
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(mci_index), 0xffffffff);
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_HB_CTRL_WIN0_ADDRESS_MASK_REG_NUM) |
MCI_INDIRECT_CTRL_HOPID(GID_AXI_HB) |
@@ -619,8 +619,8 @@ static int mci_enable_simultaneous_transactions(int mci_index)
* This will lead to get match for any AXI address
* and receive destination ID=1
*/
- mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(0), 0xffffffff);
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_WRITE_READ_DATA_REG(mci_index), 0xffffffff);
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_HB_CTRL_WIN0_ADDRESS_MASK_REG_NUM) |
MCI_INDIRECT_CTRL_HOPID(GID_IHB_EXT) |
@@ -653,7 +653,7 @@ static _Bool mci_simulatenous_trans_missing(int mci_index)
* performed by BootROM.
*/
debug_enter();
- mci_mmio_write_32(MCI_ACCESS_CMD_REG(0),
+ mci_mmio_write_32(MCI_ACCESS_CMD_REG(mci_index),
MCI_INDIRECT_REG_CTRL_ADDR(
MCI_HB_CTRL_WIN0_DESTINATION_REG_NUM) |
MCI_INDIRECT_CTRL_HOPID(GID_AXI_HB) |
@@ -697,7 +697,8 @@ int mci_configure(int mci_index)
* wasn't already enabled in bootrom.
*/
if (mci_simulatenous_trans_missing(mci_index)) {
- VERBOSE("Enabling MCI simultaneous transaction\n");
+ VERBOSE("Enabling MCI simultaneous transaction for mci%d\n",
+ mci_index);
/* set MCI to support read/write transactions
* to arrive at the same time
*/
@@ -819,7 +820,7 @@ void mci_turn_link_on(void)
}
/* Initialize MCI for performance improvements */
-int mci_initialize(int mci_index)
+int mci_link_tune(int mci_index)
{
int ret;
diff --git a/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c
new file mode 100644
index 000000000..98e189687
--- /dev/null
+++ b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2019 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <a8k_plat_def.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <mss_scp_bl2_format.h>
+
+/* CONFI REGISTERS */
+#define MG_CM3_CONFI_BASE(CP) (MVEBU_CP_REGS_BASE(CP) + 0x100000)
+#define MG_CM3_SRAM_BASE(CP) MG_CM3_CONFI_BASE(CP)
+#define MG_CM3_CONFI_GLOB_CFG_REG(CP) (MG_CM3_CONFI_BASE(CP) + 0x2B500)
+#define CM3_CPU_EN_BIT BIT(28)
+#define MG_CM3_MG_INT_MFX_REG(CP) (MG_CM3_CONFI_BASE(CP) + 0x2B054)
+#define CM3_SYS_RESET_BIT BIT(0)
+
+#define MG_CM3_SHARED_MEM_BASE(CP) (MG_CM3_SRAM_BASE(CP) + 0x1FC00ULL)
+
+#define MG_SRAM_SIZE 0x20000 /* 128KB */
+
+#define MG_ACK_TIMEOUT 10
+
+/**
+ * struct ap_sharedmem_ctrl - used to pass information between the HOST and CM3
+ * @init_done: Set by CM3 when ap_proces initialzied. Host check if CM3 set
+ * this flag to confirm that the process is running
+ * @lane_nr: Set by Host to mark which comphy lane should be configure. E.g.:
+ * - A8K development board uses comphy lane 2 for eth0
+ * - CN913x development board uses comphy lane 4 for eth0
+ */
+struct ap_sharedmem_ctrl {
+ uint32_t init_done;
+ uint32_t lane_nr;
+};
+
+int mg_image_load(uintptr_t src_addr, uint32_t size, int cp_index)
+{
+ uintptr_t mg_regs = MG_CM3_SRAM_BASE(cp_index);
+
+ if (size > MG_SRAM_SIZE) {
+ ERROR("image is too big to fit into MG CM3 memory\n");
+ return 1;
+ }
+
+ NOTICE("Loading MG image from address 0x%lx Size 0x%x to MG at 0x%lx\n",
+ src_addr, size, mg_regs);
+
+ /* Copy image to MG CM3 SRAM */
+ memcpy((void *)mg_regs, (void *)src_addr, size);
+
+ /* Don't release MG CM3 from reset - it will be done by next step
+ * bootloader (e.g. U-Boot), when appriopriate device-tree setup (which
+ * has enabeld 802.3. auto-neg) will be choosen.
+ */
+
+ return 0;
+}
+
+void mg_start_ap_fw(int cp_nr, uint8_t comphy_index)
+{
+ volatile struct ap_sharedmem_ctrl *ap_shared_ctrl =
+ (void *)MG_CM3_SHARED_MEM_BASE(cp_nr);
+ int timeout = MG_ACK_TIMEOUT;
+
+ if (mmio_read_32(MG_CM3_CONFI_GLOB_CFG_REG(cp_nr)) & CM3_CPU_EN_BIT) {
+ VERBOSE("cm3 already running\n");
+ return; /* cm3 already running */
+ }
+
+ /*
+ * Mark which comphy lane should be used - it will be read via shared
+ * mem by ap process
+ */
+ ap_shared_ctrl->lane_nr = comphy_index;
+ /* Make sure it took place before enabling cm3 */
+ dmbst();
+
+ mmio_setbits_32(MG_CM3_CONFI_GLOB_CFG_REG(cp_nr), CM3_CPU_EN_BIT);
+ mmio_setbits_32(MG_CM3_MG_INT_MFX_REG(cp_nr), CM3_SYS_RESET_BIT);
+
+ /* Check for ap process initialization by fw */
+ while (ap_shared_ctrl->init_done != 1 && timeout--)
+ VERBOSE("Waiting for ap process ack, timeout %d\n", timeout);
+
+ if (timeout == 0) {
+ ERROR("AP process failed, disabling cm3\n");
+ mmio_clrbits_32(MG_CM3_MG_INT_MFX_REG(cp_nr),
+ CM3_SYS_RESET_BIT);
+ mmio_clrbits_32(MG_CM3_CONFI_GLOB_CFG_REG(cp_nr),
+ CM3_CPU_EN_BIT);
+ }
+}
diff --git a/drivers/marvell/mg_conf_cm3/mg_conf_cm3.h b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.h
new file mode 100644
index 000000000..e2756de9c
--- /dev/null
+++ b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.h
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2019 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+void mg_start_ap_fw(int cp_nr, uint8_t comphy_index);
+int mg_image_load(uintptr_t src_addr, uint32_t size, int cp_index);
diff --git a/drivers/marvell/mochi/ap807_setup.c b/drivers/marvell/mochi/ap807_setup.c
index 864c9230a..1069f8cef 100644
--- a/drivers/marvell/mochi/ap807_setup.c
+++ b/drivers/marvell/mochi/ap807_setup.c
@@ -11,6 +11,7 @@
#include <drivers/marvell/cache_llc.h>
#include <drivers/marvell/ccu.h>
#include <drivers/marvell/io_win.h>
+#include <drivers/marvell/iob.h>
#include <drivers/marvell/mci.h>
#include <drivers/marvell/mochi/ap_setup.h>
#include <lib/mmio.h>
@@ -31,6 +32,11 @@
#define DSS_CR0 (MVEBU_RFU_BASE + 0x100)
#define DVM_48BIT_VA_ENABLE (1 << 21)
+
+/* SoC RFU / IHBx4 Control */
+#define MCIX4_807_REG_START_ADDR_REG(unit_id) (MVEBU_RFU_BASE + \
+ 0x4258 + (unit_id * 0x4))
+
/* Secure MoChi incoming access */
#define SEC_MOCHI_IN_ACC_REG (MVEBU_RFU_BASE + 0x4738)
#define SEC_MOCHI_IN_ACC_IHB0_EN (1)
@@ -41,6 +47,14 @@
SEC_MOCHI_IN_ACC_IHB1_EN | \
SEC_MOCHI_IN_ACC_IHB2_EN | \
SEC_MOCHI_IN_ACC_PIDI_EN)
+#define MOCHI_IN_ACC_LEVEL_FORCE_NONSEC (0)
+#define MOCHI_IN_ACC_LEVEL_FORCE_SEC (1)
+#define MOCHI_IN_ACC_LEVEL_LEAVE_ORIG (2)
+#define MOCHI_IN_ACC_LEVEL_MASK_ALL (3)
+#define SEC_MOCHI_IN_ACC_IHB0_LEVEL(l) ((l) << 1)
+#define SEC_MOCHI_IN_ACC_IHB1_LEVEL(l) ((l) << 4)
+#define SEC_MOCHI_IN_ACC_PIDI_LEVEL(l) ((l) << 10)
+
/* SYSRST_OUTn Config definitions */
#define MVEBU_SYSRST_OUT_CONFIG_REG (MVEBU_MISC_SOC_BASE + 0x4)
@@ -65,19 +79,36 @@ enum axi_attr {
static void ap_sec_masters_access_en(uint32_t enable)
{
- uint32_t reg;
-
/* Open/Close incoming access for all masters.
* The access is disabled in trusted boot mode
* Could only be done in EL3
*/
- reg = mmio_read_32(SEC_MOCHI_IN_ACC_REG);
- if (enable)
- mmio_write_32(SEC_MOCHI_IN_ACC_REG, reg |
- SEC_IN_ACCESS_ENA_ALL_MASTERS);
- else
- mmio_write_32(SEC_MOCHI_IN_ACC_REG,
- reg & ~SEC_IN_ACCESS_ENA_ALL_MASTERS);
+ if (enable != 0) {
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG, 0x0U, /* no clear */
+ SEC_IN_ACCESS_ENA_ALL_MASTERS);
+#if LLC_SRAM
+ /* Do not change access security level
+ * for PIDI masters
+ */
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_MASK_ALL),
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_LEAVE_ORIG));
+#endif
+ } else {
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_IN_ACCESS_ENA_ALL_MASTERS,
+ 0x0U /* no set */);
+#if LLC_SRAM
+ /* Return PIDI access level to the default */
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_MASK_ALL),
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_FORCE_NONSEC));
+#endif
+ }
}
static void setup_smmu(void)
@@ -111,6 +142,8 @@ static void init_aurora2(void)
reg |= (0x1 << CCU_SET_POC_OFFSET);
mmio_write_32(CCU_HTC_CR, reg);
#endif /* LLC_ENABLE */
+
+ errata_wa_init();
}
@@ -124,7 +157,7 @@ static void mci_remap_indirect_access_base(void)
uint32_t mci;
for (mci = 0; mci < MCI_MAX_UNIT_ID; mci++)
- mmio_write_32(MCIX4_REG_START_ADDRESS_REG(mci),
+ mmio_write_32(MCIX4_807_REG_START_ADDR_REG(mci),
MVEBU_MCI_REG_BASE_REMAP(mci) >>
MCI_REMAP_OFF_SHIFT);
}
@@ -186,6 +219,38 @@ static void misc_soc_configurations(void)
mmio_write_32(MVEBU_SYSRST_OUT_CONFIG_REG, reg);
}
+/*
+ * By default all external CPs start with configuration address space set to
+ * 0xf200_0000. To overcome this issue, go in the loop and initialize the
+ * CP one by one, using temporary window configuration which allows to access
+ * each CP and update its configuration space according to decoding
+ * windows scheme defined for each platform.
+ */
+void update_cp110_default_win(int cp_id)
+{
+ int mci_id = cp_id - 1;
+ uintptr_t cp110_base, cp110_temp_base;
+
+ /* CP110 default configuration address space */
+ cp110_temp_base = MVEBU_AP_IO_BASE(MVEBU_AP0);
+
+ struct addr_map_win iowin_temp_win = {
+ .base_addr = cp110_temp_base,
+ .win_size = MVEBU_CP_OFFSET,
+ };
+
+ iowin_temp_win.target_id = mci_id;
+ iow_temp_win_insert(0, &iowin_temp_win, 1);
+
+ /* Calculate the new CP110 - base address */
+ cp110_base = MVEBU_CP_REGS_BASE(cp_id);
+ /* Go and update the CP110 configuration address space */
+ iob_cfg_space_update(0, cp_id, cp110_temp_base, cp110_base);
+
+ /* Remove the temporary IO-WIN window */
+ iow_temp_win_remove(0, &iowin_temp_win, 1);
+}
+
void ap_init(void)
{
/* Setup Aurora2. */
diff --git a/drivers/marvell/mochi/apn806_setup.c b/drivers/marvell/mochi/apn806_setup.c
index 1e91c4317..8c3ba9296 100644
--- a/drivers/marvell/mochi/apn806_setup.c
+++ b/drivers/marvell/mochi/apn806_setup.c
@@ -28,9 +28,6 @@
0x200)
#define CCU_SET_POC_OFFSET 5
-#define CCU_RGF(win) (MVEBU_CCU_BASE(MVEBU_AP0) + \
- 0x90 + 4 * (win))
-
#define DSS_CR0 (MVEBU_RFU_BASE + 0x100)
#define DVM_48BIT_VA_ENABLE (1 << 21)
@@ -44,6 +41,14 @@
SEC_MOCHI_IN_ACC_IHB1_EN | \
SEC_MOCHI_IN_ACC_IHB2_EN | \
SEC_MOCHI_IN_ACC_PIDI_EN)
+#define MOCHI_IN_ACC_LEVEL_FORCE_NONSEC (0)
+#define MOCHI_IN_ACC_LEVEL_FORCE_SEC (1)
+#define MOCHI_IN_ACC_LEVEL_LEAVE_ORIG (2)
+#define MOCHI_IN_ACC_LEVEL_MASK_ALL (3)
+#define SEC_MOCHI_IN_ACC_IHB0_LEVEL(l) ((l) << 1)
+#define SEC_MOCHI_IN_ACC_IHB1_LEVEL(l) ((l) << 4)
+#define SEC_MOCHI_IN_ACC_PIDI_LEVEL(l) ((l) << 10)
+
/* SYSRST_OUTn Config definitions */
#define MVEBU_SYSRST_OUT_CONFIG_REG (MVEBU_MISC_SOC_BASE + 0x4)
@@ -70,19 +75,36 @@ enum axi_attr {
static void apn_sec_masters_access_en(uint32_t enable)
{
- uint32_t reg;
-
/* Open/Close incoming access for all masters.
* The access is disabled in trusted boot mode
* Could only be done in EL3
*/
- reg = mmio_read_32(SEC_MOCHI_IN_ACC_REG);
- if (enable)
- mmio_write_32(SEC_MOCHI_IN_ACC_REG, reg |
+ if (enable != 0) {
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG, 0x0U, /* no clear */
SEC_IN_ACCESS_ENA_ALL_MASTERS);
- else
- mmio_write_32(SEC_MOCHI_IN_ACC_REG, reg &
- ~SEC_IN_ACCESS_ENA_ALL_MASTERS);
+#if LLC_SRAM
+ /* Do not change access security level
+ * for PIDI masters
+ */
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_MASK_ALL),
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_LEAVE_ORIG));
+#endif
+ } else {
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_IN_ACCESS_ENA_ALL_MASTERS,
+ 0x0U /* no set */);
+#if LLC_SRAM
+ /* Return PIDI access level to the default */
+ mmio_clrsetbits_32(SEC_MOCHI_IN_ACC_REG,
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_MASK_ALL),
+ SEC_MOCHI_IN_ACC_PIDI_LEVEL(
+ MOCHI_IN_ACC_LEVEL_FORCE_NONSEC));
+#endif
+ }
}
static void setup_smmu(void)
@@ -95,20 +117,6 @@ static void setup_smmu(void)
mmio_write_32(SMMU_sACR, reg);
}
-static void apn806_errata_wa_init(void)
-{
- /*
- * ERRATA ID: RES-3033912 - Internal Address Space Init state causes
- * a hang upon accesses to [0xf070_0000, 0xf07f_ffff]
- * Workaround: Boot Firmware (ATF) should configure CCU_RGF_WIN(4) to
- * split [0x6e_0000, 0xff_ffff] to values [0x6e_0000, 0x6f_ffff] and
- * [0x80_0000, 0xff_ffff] that cause accesses to the
- * segment of [0xf070_0000, 0xf07f_ffff] to act as RAZWI.
- */
- mmio_write_32(CCU_RGF(4), 0x37f9b809);
- mmio_write_32(CCU_RGF(5), 0x7ffa0009);
-}
-
static void init_aurora2(void)
{
uint32_t reg;
@@ -131,7 +139,7 @@ static void init_aurora2(void)
mmio_write_32(CCU_HTC_CR, reg);
#endif /* LLC_ENABLE */
- apn806_errata_wa_init();
+ errata_wa_init();
}
@@ -250,3 +258,6 @@ int ap_get_count(void)
return 1;
}
+void update_cp110_default_win(int cp_id)
+{
+}
diff --git a/drivers/marvell/mochi/cp110_setup.c b/drivers/marvell/mochi/cp110_setup.c
index b4b4e0c82..0fa049764 100644
--- a/drivers/marvell/mochi/cp110_setup.c
+++ b/drivers/marvell/mochi/cp110_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2018 Marvell International Ltd.
+ * Copyright (C) 2018-2020 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
@@ -130,6 +130,7 @@ enum axi_attr {
#define USB3H_1_STREAM_ID_REG (RFU_STREAM_ID_BASE + 0x10)
#define SATA_0_STREAM_ID_REG (RFU_STREAM_ID_BASE + 0x14)
#define SATA_1_STREAM_ID_REG (RFU_STREAM_ID_BASE + 0x18)
+#define SDIO_0_STREAM_ID_REG (RFU_STREAM_ID_BASE + 0x28)
#define CP_DMA_0_STREAM_ID_REG (0x6B0010)
#define CP_DMA_1_STREAM_ID_REG (0x6D0010)
@@ -144,6 +145,7 @@ uintptr_t stream_id_reg[] = {
CP_DMA_1_STREAM_ID_REG,
SATA_0_STREAM_ID_REG,
SATA_1_STREAM_ID_REG,
+ SDIO_0_STREAM_ID_REG,
0
};
@@ -303,7 +305,7 @@ static void cp110_axi_attr_init(uintptr_t base)
DOMAIN_SYSTEM_SHAREABLE);
}
-static void amb_bridge_init(uintptr_t base)
+void cp110_amb_init(uintptr_t base)
{
uint32_t reg;
@@ -399,7 +401,7 @@ void cp110_init(uintptr_t cp110_base, uint32_t stream_id)
cp110_stream_id_init(cp110_base, stream_id);
/* Open AMB bridge for comphy for CP0 & CP1*/
- amb_bridge_init(cp110_base);
+ cp110_amb_init(cp110_base);
/* Reset RTC if needed */
cp110_rtc_init(cp110_base);
@@ -411,7 +413,7 @@ void cp110_ble_init(uintptr_t cp110_base)
#if PCI_EP_SUPPORT
INFO("%s: Initialize CPx - base = %lx\n", __func__, cp110_base);
- amb_bridge_init(cp110_base);
+ cp110_amb_init(cp110_base);
/* Configure PCIe clock */
cp110_pcie_clk_cfg(cp110_base);
diff --git a/drivers/marvell/uart/a3700_console.S b/drivers/marvell/uart/a3700_console.S
index da1ce351c..58dad7aa5 100644
--- a/drivers/marvell/uart/a3700_console.S
+++ b/drivers/marvell/uart/a3700_console.S
@@ -60,14 +60,14 @@ func console_a3700_core_init
str w3, [x0, #UART_POSSR_REG]
/*
- * Wait for the TX FIFO to be empty. If wait for 20ms, the TX FIFO is
+ * Wait for the TX (THR and TSR) to be empty. If wait for 20ms, the TX FIFO is
* still not empty, TX FIFO will reset by all means.
*/
mov w1, #20 /* max time out 20ms */
2:
- /* Check whether TX FIFO is empty */
+ /* Check whether TX (THR and TSR) is empty */
ldr w3, [x0, #UART_STATUS_REG]
- and w3, w3, #UARTLSR_TXFIFOEMPTY
+ and w3, w3, #UARTLSR_TXEMPTY
cmp w3, #0
b.ne 4f
@@ -110,7 +110,7 @@ endfunc console_a3700_core_init
.globl console_a3700_register
/* -----------------------------------------------
- * int console_a3700_register(console_16550_t *console,
+ * int console_a3700_register(console_t *console,
uintptr_t base, uint32_t clk, uint32_t baud)
* Function to initialize and register a new a3700
* console. Storage passed in for the console struct
@@ -118,7 +118,7 @@ endfunc console_a3700_core_init
* In: x0 - UART register base address
* w1 - UART clock in Hz
* w2 - Baud rate
- * x3 - pointer to empty console_a3700_t struct
+ * x3 - pointer to empty console_t struct
* Out: return 1 on success, 0 on error
* Clobber list : x0, x1, x2, x6, x7, x14
* -----------------------------------------------
@@ -127,7 +127,7 @@ func console_a3700_register
mov x7, x30
mov x6, x3
cbz x6, register_fail
- str x0, [x6, #CONSOLE_T_A3700_BASE]
+ str x0, [x6, #CONSOLE_T_BASE]
bl console_a3700_core_init
cbz x0, register_fail
@@ -178,7 +178,7 @@ putc_error:
endfunc console_a3700_core_putc
/* --------------------------------------------------------
- * int console_a3700_putc(int c, console_a3700_t *console)
+ * int console_a3700_putc(int c, console_t *console)
* Function to output a character over the console. It
* returns the character printed on success or -1 on error.
* In : w0 - character to be printed
@@ -188,7 +188,7 @@ endfunc console_a3700_core_putc
* --------------------------------------------------------
*/
func console_a3700_putc
- ldr x1, [x1, #CONSOLE_T_A3700_BASE]
+ ldr x1, [x1, #CONSOLE_T_BASE]
b console_a3700_core_putc
endfunc console_a3700_putc
@@ -196,19 +196,28 @@ endfunc console_a3700_putc
* int console_a3700_core_getc(void)
* Function to get a character from the console.
* It returns the character grabbed on success
- * or -1 on error.
+ * or -1 if no character is available.
* In : w0 - console base address
- * Out : return -1 on error else return character.
+ * Out : w0 - character if available, else -1
* Clobber list : x0, x1
* ---------------------------------------------
*/
func console_a3700_core_getc
- mov w0, #-1
+ /* Check if there is a pending character */
+ ldr w1, [x0, #UART_STATUS_REG]
+ and w1, w1, #UARTLSR_RXRDY
+ cmp w1, #UARTLSR_RXRDY
+ b.ne getc_no_char
+ ldr w0, [x0, #UART_RX_REG]
+ and w0, w0, #0xff
+ ret
+getc_no_char:
+ mov w0, #ERROR_NO_PENDING_CHAR
ret
endfunc console_a3700_core_getc
/* ---------------------------------------------
- * int console_a3700_getc(console_a3700_t *console)
+ * int console_a3700_getc(console_t *console)
* Function to get a character from the console.
* It returns the character grabbed on success
* or -1 on if no character is available.
@@ -218,35 +227,39 @@ endfunc console_a3700_core_getc
* ---------------------------------------------
*/
func console_a3700_getc
- ldr x0, [x0, #CONSOLE_T_A3700_BASE]
+ ldr x0, [x0, #CONSOLE_T_BASE]
b console_a3700_core_getc
endfunc console_a3700_getc
/* ---------------------------------------------
- * int console_a3700_core_flush(uintptr_t base_addr)
+ * void console_a3700_core_flush(uintptr_t base_addr)
* Function to force a write of all buffered
* data that hasn't been output.
* In : x0 - console base address
- * Out : return -1 on error else return 0.
+ * Out : void.
* Clobber list : x0, x1
* ---------------------------------------------
*/
func console_a3700_core_flush
- mov w0, #0
+ /* Wait for the TX (THR and TSR) to be empty */
+1: ldr w1, [x0, #UART_STATUS_REG]
+ and w1, w1, #UARTLSR_TXEMPTY
+ cmp w1, #UARTLSR_TXEMPTY
+ b.ne 1b
ret
endfunc console_a3700_core_flush
/* ---------------------------------------------
- * int console_a3700_flush(console_a3700_t *console)
+ * void console_a3700_flush(console_t *console)
* Function to force a write of all buffered
* data that hasn't been output.
* In : x0 - pointer to console_t structure
- * Out : return -1 on error else return 0.
+ * Out : void.
* Clobber list : x0, x1
* ---------------------------------------------
*/
func console_a3700_flush
- ldr x0, [x0, #CONSOLE_T_A3700_BASE]
+ ldr x0, [x0, #CONSOLE_T_BASE]
b console_a3700_core_flush
endfunc console_a3700_flush