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Merge branch 'master' of git://git.denx.de/u-boot-spi

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- drop non-DM code from ti_qspi
- support spi-mem for ti_qspi
This commit is contained in:
Tom Rini 2019-04-17 09:21:32 -04:00
commit 36c97c4db7
9 changed files with 113 additions and 286 deletions
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1
doc/driver-model/MIGRATION.txt
View File

@ -77,7 +77,6 @@ Partially converted:
drivers/spi/kirkwood_spi.c
drivers/spi/mxc_spi.c
drivers/spi/omap3_spi.c
drivers/spi/ti_qspi.c
Status: In progress
Deadline: 2019.07

13
drivers/spi/Kconfig
View File

@ -259,6 +259,13 @@ config TEGRA210_QSPI
be used to access SPI chips on platforms embedding this
NVIDIA Tegra210 IP core.
config TI_QSPI
bool "TI QSPI driver"
imply TI_EDMA3
help
Enable the TI Quad-SPI (QSPI) driver for DRA7xx and AM43xx evms.
This driver support spi flash single, quad and memory reads.
config XILINX_SPI
bool "Xilinx SPI driver"
help
@ -346,12 +353,6 @@ config SH_QSPI
Enable the Renesas Quad SPI controller driver. This driver can be
used on Renesas SoCs.
config TI_QSPI
bool "TI QSPI driver"
help
Enable the TI Quad-SPI (QSPI) driver for DRA7xx and AM43xx evms.
This driver support spi flash single, quad and memory reads.
config KIRKWOOD_SPI
bool "Marvell Kirkwood SPI Driver"
help

2
drivers/spi/Makefile
View File

@ -9,6 +9,7 @@ obj-y += spi-uclass.o
obj-$(CONFIG_SANDBOX) += spi-emul-uclass.o
obj-$(CONFIG_SOFT_SPI) += soft_spi.o
obj-$(CONFIG_SPI_MEM) += spi-mem.o
obj-$(CONFIG_TI_QSPI) += ti_qspi.o
else
obj-y += spi.o
obj-$(CONFIG_SPI_MEM) += spi-mem-nodm.o
@ -56,7 +57,6 @@ obj-$(CONFIG_TEGRA114_SPI) += tegra114_spi.o
obj-$(CONFIG_TEGRA20_SFLASH) += tegra20_sflash.o
obj-$(CONFIG_TEGRA20_SLINK) += tegra20_slink.o
obj-$(CONFIG_TEGRA210_QSPI) += tegra210_qspi.o
obj-$(CONFIG_TI_QSPI) += ti_qspi.o
obj-$(CONFIG_XILINX_SPI) += xilinx_spi.o
obj-$(CONFIG_ZYNQ_SPI) += zynq_spi.o
obj-$(CONFIG_ZYNQ_QSPI) += zynq_qspi.o

361
drivers/spi/ti_qspi.c
View File

@ -10,6 +10,7 @@
#include <asm/arch/omap.h>
#include <malloc.h>
#include <spi.h>
#include <spi-mem.h>
#include <dm.h>
#include <asm/gpio.h>
#include <asm/omap_gpio.h>
@ -40,7 +41,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define QSPI_INVAL (4 << 16)
#define QSPI_RD_QUAD (7 << 16)
/* device control */
#define QSPI_DD(m, n) (m << (3 + n*8))
#define QSPI_CKPHA(n) (1 << (2 + n*8))
#define QSPI_CSPOL(n) (1 << (1 + n*8))
#define QSPI_CKPOL(n) (1 << (n*8))
@ -52,22 +52,12 @@ DECLARE_GLOBAL_DATA_PTR;
#define MM_SWITCH 0x01
#define MEM_CS(cs) ((cs + 1) << 8)
#define MEM_CS_UNSELECT 0xfffff8ff
#define MMAP_START_ADDR_DRA 0x5c000000
#define MMAP_START_ADDR_AM43x 0x30000000
#define CORE_CTRL_IO 0x4a002558
#define QSPI_CMD_READ (0x3 << 0)
#define QSPI_CMD_READ_DUAL (0x6b << 0)
#define QSPI_CMD_READ_QUAD (0x6c << 0)
#define QSPI_CMD_READ_FAST (0x0b << 0)
#define QSPI_SETUP0_NUM_A_BYTES (0x3 << 8)
#define QSPI_SETUP0_NUM_D_BYTES_NO_BITS (0x0 << 10)
#define QSPI_SETUP0_NUM_D_BYTES_8_BITS (0x1 << 10)
#define QSPI_SETUP0_READ_NORMAL (0x0 << 12)
#define QSPI_SETUP0_READ_DUAL (0x1 << 12)
#define QSPI_SETUP0_READ_QUAD (0x3 << 12)
#define QSPI_CMD_WRITE (0x12 << 16)
#define QSPI_NUM_DUMMY_BITS (0x0 << 24)
#define QSPI_SETUP0_ADDR_SHIFT (8)
#define QSPI_SETUP0_DBITS_SHIFT (10)
/* ti qspi register set */
struct ti_qspi_regs {
@ -98,13 +88,10 @@ struct ti_qspi_regs {
/* ti qspi priv */
struct ti_qspi_priv {
#ifndef CONFIG_DM_SPI
struct spi_slave slave;
#else
void *memory_map;
size_t mmap_size;
uint max_hz;
u32 num_cs;
#endif
struct ti_qspi_regs *base;
void *ctrl_mod_mmap;
ulong fclk;
@ -113,8 +100,9 @@ struct ti_qspi_priv {
u32 dc;
};
static void ti_spi_set_speed(struct ti_qspi_priv *priv, uint hz)
static int ti_qspi_set_speed(struct udevice *bus, uint hz)
{
struct ti_qspi_priv *priv = dev_get_priv(bus);
uint clk_div;
if (!hz)
@ -133,6 +121,8 @@ static void ti_spi_set_speed(struct ti_qspi_priv *priv, uint hz)
&priv->base->clk_ctrl);
/* enable SCLK and program the clk divider */
writel(QSPI_CLK_EN | clk_div, &priv->base->clk_ctrl);
return 0;
}
static void ti_qspi_cs_deactivate(struct ti_qspi_priv *priv)
@ -142,38 +132,6 @@ static void ti_qspi_cs_deactivate(struct ti_qspi_priv *priv)
readl(&priv->base->cmd);
}
static int __ti_qspi_set_mode(struct ti_qspi_priv *priv, unsigned int mode)
{
priv->dc = 0;
if (mode & SPI_CPHA)
priv->dc |= QSPI_CKPHA(0);
if (mode & SPI_CPOL)
priv->dc |= QSPI_CKPOL(0);
if (mode & SPI_CS_HIGH)
priv->dc |= QSPI_CSPOL(0);
return 0;
}
static int __ti_qspi_claim_bus(struct ti_qspi_priv *priv, int cs)
{
writel(priv->dc, &priv->base->dc);
writel(0, &priv->base->cmd);
writel(0, &priv->base->data);
priv->dc <<= cs * 8;
writel(priv->dc, &priv->base->dc);
return 0;
}
static void __ti_qspi_release_bus(struct ti_qspi_priv *priv)
{
writel(0, &priv->base->dc);
writel(0, &priv->base->cmd);
writel(0, &priv->base->data);
}
static void ti_qspi_ctrl_mode_mmap(void *ctrl_mod_mmap, int cs, bool enable)
{
u32 val;
@ -186,27 +144,25 @@ static void ti_qspi_ctrl_mode_mmap(void *ctrl_mod_mmap, int cs, bool enable)
writel(val, ctrl_mod_mmap);
}
static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
const void *dout, void *din, unsigned long flags,
u32 cs)
static int ti_qspi_xfer(struct udevice *dev, unsigned int bitlen,
const void *dout, void *din, unsigned long flags)
{
struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
uint words = bitlen >> 3; /* fixed 8-bit word length */
const uchar *txp = dout;
uchar *rxp = din;
uint status;
int timeout;
unsigned int cs = slave->cs;
/* Setup mmap flags */
if (flags & SPI_XFER_MMAP) {
writel(MM_SWITCH, &priv->base->memswitch);
if (priv->ctrl_mod_mmap)
ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap, cs, true);
return 0;
} else if (flags & SPI_XFER_MMAP_END) {
writel(~MM_SWITCH, &priv->base->memswitch);
if (priv->ctrl_mod_mmap)
ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap, cs, false);
return 0;
bus = dev->parent;
priv = dev_get_priv(bus);
if (cs > priv->num_cs) {
debug("invalid qspi chip select\n");
return -EINVAL;
}
if (bitlen == 0)
@ -294,9 +250,9 @@ static int __ti_qspi_xfer(struct ti_qspi_priv *priv, unsigned int bitlen,
}
/* TODO: control from sf layer to here through dm-spi */
#if defined(CONFIG_TI_EDMA3) && !defined(CONFIG_DMA)
void spi_flash_copy_mmap(void *data, void *offset, size_t len)
static void ti_qspi_copy_mmap(void *data, void *offset, size_t len)
{
#if defined(CONFIG_TI_EDMA3) && !defined(CONFIG_DMA)
unsigned int addr = (unsigned int) (data);
unsigned int edma_slot_num = 1;
@ -311,187 +267,85 @@ void spi_flash_copy_mmap(void *data, void *offset, size_t len)
/* disable edma3 clocks */
disable_edma3_clocks();
#else
memcpy_fromio(data, offset, len);
#endif
*((unsigned int *)offset) += len;
}
#endif
#ifndef CONFIG_DM_SPI
static inline struct ti_qspi_priv *to_ti_qspi_priv(struct spi_slave *slave)
static void ti_qspi_setup_mmap_read(struct ti_qspi_priv *priv, u8 opcode,
u8 data_nbits, u8 addr_width,
u8 dummy_bytes)
{
return container_of(slave, struct ti_qspi_priv, slave);
}
u32 memval = opcode;
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
return 1;
}
void spi_cs_activate(struct spi_slave *slave)
{
/* CS handled in xfer */
return;
}
void spi_cs_deactivate(struct spi_slave *slave)
{
struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
ti_qspi_cs_deactivate(priv);
}
void spi_init(void)
{
/* nothing to do */
}
static void ti_spi_setup_spi_register(struct ti_qspi_priv *priv)
{
u32 memval = 0;
#ifdef CONFIG_QSPI_QUAD_SUPPORT
struct spi_slave *slave = &priv->slave;
memval |= (QSPI_CMD_READ_QUAD | QSPI_SETUP0_NUM_A_BYTES |
QSPI_SETUP0_NUM_D_BYTES_8_BITS |
QSPI_SETUP0_READ_QUAD | QSPI_CMD_WRITE |
QSPI_NUM_DUMMY_BITS);
slave->mode |= SPI_RX_QUAD;
#else
memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES |
QSPI_SETUP0_NUM_D_BYTES_NO_BITS |
QSPI_SETUP0_READ_NORMAL | QSPI_CMD_WRITE |
QSPI_NUM_DUMMY_BITS;
#endif
writel(memval, &priv->base->setup0);
}
struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
struct ti_qspi_priv *priv;
#ifdef CONFIG_AM43XX
gpio_request(CONFIG_QSPI_SEL_GPIO, "qspi_gpio");
gpio_direction_output(CONFIG_QSPI_SEL_GPIO, 1);
#endif
priv = spi_alloc_slave(struct ti_qspi_priv, bus, cs);
if (!priv) {
printf("SPI_error: Fail to allocate ti_qspi_priv\n");
return NULL;
}
priv->base = (struct ti_qspi_regs *)QSPI_BASE;
priv->mode = mode;
#if defined(CONFIG_DRA7XX)
priv->ctrl_mod_mmap = (void *)CORE_CTRL_IO;
priv->slave.memory_map = (void *)MMAP_START_ADDR_DRA;
priv->fclk = QSPI_DRA7XX_FCLK;
#else
priv->slave.memory_map = (void *)MMAP_START_ADDR_AM43x;
priv->fclk = QSPI_FCLK;
#endif
ti_spi_set_speed(priv, max_hz);
#ifdef CONFIG_TI_SPI_MMAP
ti_spi_setup_spi_register(priv);
#endif
return &priv->slave;
}
void spi_free_slave(struct spi_slave *slave)
{
struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
free(priv);
}
int spi_claim_bus(struct spi_slave *slave)
{
struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
debug("%s: bus:%i cs:%i\n", __func__, priv->slave.bus, priv->slave.cs);
__ti_qspi_set_mode(priv, priv->mode);
return __ti_qspi_claim_bus(priv, priv->slave.cs);
}
void spi_release_bus(struct spi_slave *slave)
{
struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
debug("%s: bus:%i cs:%i\n", __func__, priv->slave.bus, priv->slave.cs);
__ti_qspi_release_bus(priv);
}
int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
void *din, unsigned long flags)
{
struct ti_qspi_priv *priv = to_ti_qspi_priv(slave);
debug("spi_xfer: bus:%i cs:%i bitlen:%i flags:%lx\n",
priv->slave.bus, priv->slave.cs, bitlen, flags);
return __ti_qspi_xfer(priv, bitlen, dout, din, flags, priv->slave.cs);
}
#else /* CONFIG_DM_SPI */
static void __ti_qspi_setup_memorymap(struct ti_qspi_priv *priv,
struct spi_slave *slave,
bool enable)
{
u32 memval;
u32 mode = slave->mode & (SPI_RX_QUAD | SPI_RX_DUAL);
if (!enable) {
writel(0, &priv->base->setup0);
return;
}
memval = QSPI_SETUP0_NUM_A_BYTES | QSPI_CMD_WRITE | QSPI_NUM_DUMMY_BITS;
switch (mode) {
case SPI_RX_QUAD:
memval |= QSPI_CMD_READ_QUAD;
memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
switch (data_nbits) {
case 4:
memval |= QSPI_SETUP0_READ_QUAD;
slave->mode |= SPI_RX_QUAD;
break;
case SPI_RX_DUAL:
memval |= QSPI_CMD_READ_DUAL;
memval |= QSPI_SETUP0_NUM_D_BYTES_8_BITS;
case 2:
memval |= QSPI_SETUP0_READ_DUAL;
break;
default:
memval |= QSPI_CMD_READ;
memval |= QSPI_SETUP0_NUM_D_BYTES_NO_BITS;
memval |= QSPI_SETUP0_READ_NORMAL;
break;
}
memval |= ((addr_width - 1) << QSPI_SETUP0_ADDR_SHIFT |
dummy_bytes << QSPI_SETUP0_DBITS_SHIFT);
writel(memval, &priv->base->setup0);
}
static int ti_qspi_set_speed(struct udevice *bus, uint max_hz)
{
struct ti_qspi_priv *priv = dev_get_priv(bus);
ti_spi_set_speed(priv, max_hz);
return 0;
}
static int ti_qspi_set_mode(struct udevice *bus, uint mode)
{
struct ti_qspi_priv *priv = dev_get_priv(bus);
return __ti_qspi_set_mode(priv, mode);
priv->dc = 0;
if (mode & SPI_CPHA)
priv->dc |= QSPI_CKPHA(0);
if (mode & SPI_CPOL)
priv->dc |= QSPI_CKPOL(0);
if (mode & SPI_CS_HIGH)
priv->dc |= QSPI_CSPOL(0);
return 0;
}
static int ti_qspi_exec_mem_op(struct spi_slave *slave,
const struct spi_mem_op *op)
{
struct ti_qspi_priv *priv;
struct udevice *bus;
bus = slave->dev->parent;
priv = dev_get_priv(bus);
u32 from = 0;
int ret = 0;
/* Only optimize read path. */
if (!op->data.nbytes || op->data.dir != SPI_MEM_DATA_IN ||
!op->addr.nbytes || op->addr.nbytes > 4)
return -ENOTSUPP;
/* Address exceeds MMIO window size, fall back to regular mode. */
from = op->addr.val;
if (from + op->data.nbytes > priv->mmap_size)
return -ENOTSUPP;
ti_qspi_setup_mmap_read(priv, op->cmd.opcode, op->data.buswidth,
op->addr.nbytes, op->dummy.nbytes);
ti_qspi_copy_mmap((void *)op->data.buf.in,
(void *)priv->memory_map + from, op->data.nbytes);
return ret;
}
static int ti_qspi_claim_bus(struct udevice *dev)
{
struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
struct spi_slave *slave = dev_get_parent_priv(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
@ -503,42 +357,41 @@ static int ti_qspi_claim_bus(struct udevice *dev)
return -EINVAL;
}
__ti_qspi_setup_memorymap(priv, slave, true);
writel(MM_SWITCH, &priv->base->memswitch);
if (priv->ctrl_mod_mmap)
ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap,
slave_plat->cs, true);
return __ti_qspi_claim_bus(priv, slave_plat->cs);
}
writel(priv->dc, &priv->base->dc);
writel(0, &priv->base->cmd);
writel(0, &priv->base->data);
static int ti_qspi_release_bus(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parent_priv(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
bus = dev->parent;
priv = dev_get_priv(bus);
__ti_qspi_setup_memorymap(priv, slave, false);
__ti_qspi_release_bus(priv);
priv->dc <<= slave_plat->cs * 8;
writel(priv->dc, &priv->base->dc);
return 0;
}
static int ti_qspi_xfer(struct udevice *dev, unsigned int bitlen,
const void *dout, void *din, unsigned long flags)
static int ti_qspi_release_bus(struct udevice *dev)
{
struct dm_spi_slave_platdata *slave = dev_get_parent_platdata(dev);
struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
struct ti_qspi_priv *priv;
struct udevice *bus;
bus = dev->parent;
priv = dev_get_priv(bus);
if (slave->cs > priv->num_cs) {
debug("invalid qspi chip select\n");
return -EINVAL;
}
writel(~MM_SWITCH, &priv->base->memswitch);
if (priv->ctrl_mod_mmap)
ti_qspi_ctrl_mode_mmap(priv->ctrl_mod_mmap,
slave_plat->cs, false);
return __ti_qspi_xfer(priv, bitlen, dout, din, flags, slave->cs);
writel(0, &priv->base->dc);
writel(0, &priv->base->cmd);
writel(0, &priv->base->data);
writel(0, &priv->base->setup0);
return 0;
}
static int ti_qspi_probe(struct udevice *bus)
@ -594,12 +447,15 @@ static int ti_qspi_ofdata_to_platdata(struct udevice *bus)
struct ti_qspi_priv *priv = dev_get_priv(bus);
const void *blob = gd->fdt_blob;
int node = dev_of_offset(bus);
fdt_addr_t mmap_addr;
fdt_addr_t mmap_size;
priv->ctrl_mod_mmap = map_syscon_chipselects(bus);
priv->base = map_physmem(devfdt_get_addr(bus),
sizeof(struct ti_qspi_regs), MAP_NOCACHE);
priv->memory_map = map_physmem(devfdt_get_addr_index(bus, 1), 0,
MAP_NOCACHE);
mmap_addr = devfdt_get_addr_size_index(bus, 1, &mmap_size);
priv->memory_map = map_physmem(mmap_addr, mmap_size, MAP_NOCACHE);
priv->mmap_size = mmap_size;
priv->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", -1);
if (priv->max_hz < 0) {
@ -614,15 +470,9 @@ static int ti_qspi_ofdata_to_platdata(struct udevice *bus)
return 0;
}
static int ti_qspi_child_pre_probe(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parent_priv(dev);
struct udevice *bus = dev_get_parent(dev);
struct ti_qspi_priv *priv = dev_get_priv(bus);
slave->memory_map = priv->memory_map;
return 0;
}
static const struct spi_controller_mem_ops ti_qspi_mem_ops = {
.exec_op = ti_qspi_exec_mem_op,
};
static const struct dm_spi_ops ti_qspi_ops = {
.claim_bus = ti_qspi_claim_bus,
@ -630,6 +480,7 @@ static const struct dm_spi_ops ti_qspi_ops = {
.xfer = ti_qspi_xfer,
.set_speed = ti_qspi_set_speed,
.set_mode = ti_qspi_set_mode,
.mem_ops = &ti_qspi_mem_ops,
};
static const struct udevice_id ti_qspi_ids[] = {
@ -646,6 +497,4 @@ U_BOOT_DRIVER(ti_qspi) = {
.ofdata_to_platdata = ti_qspi_ofdata_to_platdata,
.priv_auto_alloc_size = sizeof(struct ti_qspi_priv),
.probe = ti_qspi_probe,
.child_pre_probe = ti_qspi_child_pre_probe,
};
#endif /* CONFIG_DM_SPI */

6
include/configs/am43xx_evm.h
View File

@ -120,12 +120,6 @@
#define CONFIG_ENV_OFFSET_REDUND 0x120000
#endif
/* SPI */
#define CONFIG_TI_SPI_MMAP
#define CONFIG_QSPI_SEL_GPIO 48
#define CONFIG_QSPI_QUAD_SUPPORT
#define CONFIG_TI_EDMA3
#ifndef CONFIG_SPL_BUILD
#include <environment/ti/dfu.h>
#include <environment/ti/mmc.h>

5
include/configs/am57xx_evm.h
View File

@ -92,11 +92,6 @@
#define CONFIG_SYS_SPI_ARGS_SIZE 0x80000
/* SPI SPL */
#define CONFIG_TI_EDMA3
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x40000
/* SPI */
#define CONFIG_TI_SPI_MMAP
#define CONFIG_QSPI_QUAD_SUPPORT
#endif /* __CONFIG_AM57XX_EVM_H */

3
include/configs/cm_t43.h
View File

@ -53,9 +53,6 @@
#define CONFIG_USB_XHCI_OMAP
#define CONFIG_AM437X_USB2PHY2_HOST
/* SPI Flash support */
#define CONFIG_TI_SPI_MMAP
/* Power */
#define CONFIG_POWER
#define CONFIG_POWER_I2C

5
include/configs/dra7xx_evm.h
View File

@ -72,10 +72,6 @@
#define CONFIG_NET_RETRY_COUNT 10
#define CONFIG_PHY_TI
/* SPI */
#define CONFIG_TI_SPI_MMAP
#define CONFIG_QSPI_QUAD_SUPPORT
/*
* Default to using SPI for environment, etc.
* 0x000000 - 0x040000 : QSPI.SPL (256KiB)
@ -98,7 +94,6 @@
#endif
/* SPI SPL */
#define CONFIG_TI_EDMA3
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x40000
#define CONFIG_SUPPORT_EMMC_BOOT

3
scripts/config_whitelist.txt
View File

@ -1555,8 +1555,6 @@ CONFIG_QE
CONFIG_QEMU_MIPS
CONFIG_QIXIS_I2C_ACCESS
CONFIG_QSPI
CONFIG_QSPI_QUAD_SUPPORT
CONFIG_QSPI_SEL_GPIO
CONFIG_QUOTA
CONFIG_R7780MP
CONFIG_R8A66597_BASE_ADDR
@ -4399,7 +4397,6 @@ CONFIG_THUNDERX
CONFIG_TIMESTAMP
CONFIG_TIZEN
CONFIG_TI_KSNAV
CONFIG_TI_SPI_MMAP
CONFIG_TMU_TIMER
CONFIG_TPL_PAD_TO
CONFIG_TPM_TIS_BASE_ADDRESS