summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/soc/qualcomm/sc7280/Kconfig2
-rw-r--r--src/soc/qualcomm/sc7280/Makefile.inc2
-rw-r--r--src/soc/qualcomm/sc7280/include/soc/addressmap.h23
-rw-r--r--src/soc/qualcomm/sc7280/pcie.c247
-rw-r--r--src/soc/qualcomm/sc7280/soc.c14
5 files changed, 287 insertions, 1 deletions
diff --git a/src/soc/qualcomm/sc7280/Kconfig b/src/soc/qualcomm/sc7280/Kconfig
index 68234f96c8..42f4f2c654 100644
--- a/src/soc/qualcomm/sc7280/Kconfig
+++ b/src/soc/qualcomm/sc7280/Kconfig
@@ -16,6 +16,8 @@ config SOC_QUALCOMM_SC7280
select HAS_RECOVERY_MRC_CACHE
select COMPRESS_BOOTBLOCK
select HAVE_UART_SPECIAL
+ select PCI
+ select NO_ECAM_MMCONF_SUPPORT
if SOC_QUALCOMM_SC7280
diff --git a/src/soc/qualcomm/sc7280/Makefile.inc b/src/soc/qualcomm/sc7280/Makefile.inc
index ba78ed9a17..403ac7a8aa 100644
--- a/src/soc/qualcomm/sc7280/Makefile.inc
+++ b/src/soc/qualcomm/sc7280/Makefile.inc
@@ -46,6 +46,8 @@ ramstage-y += ../common/usb/snps_usb_phy.c
ramstage-y += ../common/usb/qmpv4_usb_phy.c
ramstage-y += ../common/aop_load_reset.c
ramstage-y += cpucp_load_reset.c
+ramstage-$(CONFIG_PCI) += ../common/pcie_common.c
+ramstage-$(CONFIG_PCI) += pcie.c
################################################################################
diff --git a/src/soc/qualcomm/sc7280/include/soc/addressmap.h b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
index 31f409ff4c..31f7d64f8f 100644
--- a/src/soc/qualcomm/sc7280/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
@@ -68,4 +68,27 @@
#define QMP_PHY_PCS_REG_BASE 0x088e9c00
#define USB_HOST_DWC3_BASE 0x0a60c100
+/* PCIE_1 */
+#define PCIE1_PCIE_PARF 0x01C08000
+#define PCIE1_GEN3X2_PCIE_DBI 0x40000000
+#define PCIE1_GEN3X2_PCIE_ELBI 0x40000F20
+#define PCIE1_GEN3X2_DWC_PCIE_DM_IATU 0x40001000
+#define PCIE1_SPACE_END_ADDR 0x60000000
+#define PCIE1_BCR 0x18D000
+
+/* QMP PCIE_1 PHY */
+#define PCIE_1_QMP_PHY 0x01C0E000
+
+/* QMP PHY, Serdes,Tx, Rx and PCS register definitions */
+#define PCIE1_QMP_PHY_PCS_COM 0x01C0EA00
+#define PCE1_QPHY_SERDES 0x01C0E000
+#define PCE1_QPHY_TX0 0x01C0E200
+#define PCE1_QPHY_RX0 0x01C0E400
+#define PCE1_QPHY_TX1 0x01C0E600
+#define PCE1_QPHY_RX1 0x01C0E800
+#define PCE1_QPHY_PCS_MISC 0x01C0EE00
+
+/* PHY BCR */
+#define GCC_PCIE_1_PHY_BCR 0x18E01C
+
#endif /* __SOC_QUALCOMM_SC7280_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7280/pcie.c b/src/soc/qualcomm/sc7280/pcie.c
new file mode 100644
index 0000000000..28d520c486
--- /dev/null
+++ b/src/soc/qualcomm/sc7280/pcie.c
@@ -0,0 +1,247 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/mmio.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <gpio.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
+#include <soc/gpio.h>
+#include <soc/qcom_qmp_phy.h>
+#include <soc/pcie.h>
+
+#if CONFIG(BOARD_GOOGLE_SENOR)
+#define NVME_REG_EN GPIO(19)
+#else
+/* For Herobrine board and all variants */
+#define NVME_REG_EN GPIO(51)
+#endif
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x42),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0xb4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x55),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x68),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xaa),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x18),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xa2),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0x4c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x90),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x35),
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x70),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_ENABLES, 0x1c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xd4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0x54),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xdb),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x3b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x24),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xe4),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xec),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x3b),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x36),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0x77),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_RATE_SLEW_CNTRL1, 0x0b),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_pcie_pcs_misc_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P6_P7_PRE, 0x33),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_PRE, 0x00),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_POST, 0x58),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x15),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x05),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG2, 0x0f),
+};
+
+static const struct qcom_qmp_phy_init_tbl sc7280_qmp_gen3x2_pcie_misc_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG2, 0x0d),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
+};
+
+static pcie_cntlr_cfg_t pcie_host = {
+ .parf = (void *) PCIE1_PCIE_PARF,
+ .dbi_base = (void *) PCIE1_GEN3X2_PCIE_DBI,
+ .elbi = (void *) PCIE1_GEN3X2_PCIE_ELBI,
+ .atu_base = (void *) PCIE1_GEN3X2_DWC_PCIE_DM_IATU,
+ .cfg_base = (void *) PCIE1_GEN3X2_PCIE_DBI + PCIE_EP_CONF_OFFSET,
+ .pcie_bcr = (void *) PCIE1_BCR,
+ .qmp_phy_bcr = (void *) GCC_PCIE_1_PHY_BCR,
+ .lanes = PCIE_3x2_NUM_LANES,
+ .cfg_size = PCIE_EP_CONF_SIZE,
+ .perst = GPIO(2),
+
+ /* Store the IO and MEM space settings for future use by the ATU */
+ .io.phys_start = PCIE1_GEN3X2_PCIE_DBI + PCIE_IO_SPACE_OFFSET,
+ .io.size = PCIE_IO_SPACE_SIZE,
+
+ .mem.phys_start = PCIE1_GEN3X2_PCIE_DBI + PCIE_MMIO_SPACE_OFFSET,
+ .mem.size = PCIE1_SPACE_END_ADDR,
+};
+
+static pcie_qmp_phy_cfg_t pcie1_qmp_phy_3x2 = {
+ .qmp_phy_base = (void *) PCIE_1_QMP_PHY,
+ .serdes = (void *) PCE1_QPHY_SERDES,
+ .tx0 = (void *) PCE1_QPHY_TX0,
+ .rx0 = (void *) PCE1_QPHY_RX0,
+ .pcs = (void *) PCIE1_QMP_PHY_PCS_COM,
+ .tx1 = (void *) PCE1_QPHY_TX1,
+ .rx1 = (void *) PCE1_QPHY_RX1,
+ .pcs_misc = (void *) PCE1_QPHY_PCS_MISC,
+ .serdes_tbl = sc7280_qmp_pcie_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_serdes_tbl),
+ .tx_tbl = sc7280_qmp_pcie_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_tx_tbl),
+ .tx_tbl_sec = sc7280_qmp_gen3x2_pcie_tx_tbl,
+ .tx_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_tx_tbl),
+ .rx_tbl = sc7280_qmp_pcie_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_rx_tbl),
+ .rx_tbl_sec = sc7280_qmp_gen3x2_pcie_rx_tbl,
+ .rx_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_rx_tbl),
+ .pcs_tbl = sc7280_qmp_pcie_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_pcs_tbl),
+ .pcs_tbl_sec = sc7280_qmp_gen3x2_pcie_pcs_tbl,
+ .pcs_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_pcs_tbl),
+ .pcs_misc_tbl = sc7280_qmp_pcie_pcs_misc_tbl,
+ .pcs_misc_tbl_num = ARRAY_SIZE(sc7280_qmp_pcie_pcs_misc_tbl),
+ .pcs_misc_tbl_sec = sc7280_qmp_gen3x2_pcie_misc_tbl,
+ .pcs_misc_tbl_num_sec = ARRAY_SIZE(sc7280_qmp_gen3x2_pcie_misc_tbl),
+};
+
+/* Enable PIPE clock */
+int qcom_dw_pcie_enable_pipe_clock(void)
+{
+ int ret;
+
+ /* Set pipe clock source */
+ ret = clock_configure_mux(GCC_PCIE_1_PIPE_MUXR, PCIE_1_PIPE_SRC_SEL);
+ if (ret) {
+ printk(BIOS_ERR, " %s(): Pipe clock enable failed\n", __func__);
+ return -1;
+ }
+
+ /* Enable pipe clock */
+ ret = clock_enable_pcie(PCIE_1_PIPE_CLK);
+ if (ret) {
+ printk(BIOS_ERR, "Failed to enable pipe clock\n");
+ return -1;
+ }
+
+ return ret;
+}
+
+/* Enable controller specific clocks */
+int32_t qcom_dw_pcie_enable_clock(void)
+{
+ int32_t ret, clk;
+
+ /* Enable gdsc before enable pcie clocks */
+ ret = clock_enable_gdsc(PCIE_1_GDSC);
+ if (ret) {
+ printk(BIOS_ERR, "Failed to enable gdsc\n");
+ return ret;
+ }
+
+ /* Enable pcie and PHY clocks */
+ for (clk = PCIE_1_SLV_Q2A_AXI_CLK; clk < PCIE_CLK_COUNT - 3; clk++) {
+ ret = clock_enable_pcie(clk);
+ if (ret) {
+ printk(BIOS_ERR, "Failed to enable %d clock\n", clk);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+/* Turn on NVMe */
+void gcom_pcie_power_on_ep(void)
+{
+ gpio_output(NVME_REG_EN, 1);
+}
+
+void gcom_pcie_get_config(struct qcom_pcie_cntlr_t *host_cfg)
+{
+ host_cfg->cntlr_cfg = &pcie_host;
+ host_cfg->qmp_phy_cfg = &pcie1_qmp_phy_3x2;
+}
diff --git a/src/soc/qualcomm/sc7280/soc.c b/src/soc/qualcomm/sc7280/soc.c
index c0c6a87934..a6851dfcd7 100644
--- a/src/soc/qualcomm/sc7280/soc.c
+++ b/src/soc/qualcomm/sc7280/soc.c
@@ -6,6 +6,14 @@
#include <soc/symbols_common.h>
#include <soc/aop_common.h>
#include <soc/cpucp.h>
+#include <soc/pcie.h>
+
+static struct device_operations pci_domain_ops = {
+ .read_resources = &qcom_pci_domain_read_resources,
+ .set_resources = &pci_domain_set_resources,
+ .scan_bus = &pci_domain_scan_bus,
+ .enable = &qcom_setup_pcie_host,
+};
static void soc_read_resources(struct device *dev)
{
@@ -36,7 +44,11 @@ static struct device_operations soc_ops = {
static void enable_soc_dev(struct device *dev)
{
- dev->ops = &soc_ops;
+ /* Set the operations if it is a special bus type */
+ if (dev->path.type == DEVICE_PATH_DOMAIN)
+ dev->ops = &pci_domain_ops;
+ else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER)
+ dev->ops = &soc_ops;
}
struct chip_operations soc_qualcomm_sc7280_ops = {