[PATCH] powerpc/83xx: add support for mpc8306

From: Filip Brozovic
Date: Sat Mar 28 2015 - 12:59:54 EST

Add chip specific initialization for the MPC8306.

Signed-off-by: Filip Brozovic <fbrozovic@xxxxxxxxx>
---
arch/powerpc/platforms/83xx/Kconfig | 8 ++++++++
arch/powerpc/platforms/83xx/mpc83xx.h | 4 ++++
arch/powerpc/platforms/83xx/usb.c | 14 +++++++++++---
arch/powerpc/platforms/Kconfig | 10 ++++++++++
arch/powerpc/sysdev/qe_lib/qe.c | 15 ++++++++++-----
drivers/gpio/Kconfig | 6 +++---
6 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 2bdc8c8..904991d 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -113,6 +113,14 @@ config KMETER1

endif

+# used for gpio
+config PPC_MPC830x
+ bool
+ select ARCH_WANT_OPTIONAL_GPIOLIB
+
+config PPC_MPC8306
+ bool
+
# used for usb & gpio
config PPC_MPC831x
bool
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 0cf74d7..4f21fb9 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -21,6 +21,8 @@

/* system i/o configuration register low */
#define MPC83XX_SICRL_OFFS 0x114
+#define MPC8306_SICRL_USB_MASK 0x003C0000
+#define MPC8306_SICRL_USB_ULPI 0x00000000
#define MPC834X_SICRL_USB_MASK 0x60000000
#define MPC834X_SICRL_USB0 0x20000000
#define MPC834X_SICRL_USB1 0x40000000
@@ -35,6 +37,8 @@

/* system i/o configuration register high */
#define MPC83XX_SICRH_OFFS 0x118
+#define MPC8306_SICRH_USB_MASK 0x0F00F300
+#define MPC8306_SICRH_USB_ULPI 0x00000000
#define MPC8308_SICRH_USB_MASK 0x000c0000
#define MPC8308_SICRH_USB_ULPI 0x00040000
#define MPC834X_SICRH_USB_UTMI 0x00020000
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 5c31d82..a9db44b 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -99,7 +99,7 @@ int mpc834x_usb_cfg(void)
}
#endif /* CONFIG_PPC_MPC834x */

-#ifdef CONFIG_PPC_MPC831x
+#if defined(CONFIG_PPC_MPC8306) || defined(CONFIG_PPC_MPC831x)
int mpc831x_usb_cfg(void)
{
u32 temp;
@@ -128,6 +128,7 @@ int mpc831x_usb_cfg(void)
/* Configure clock */
immr_node = of_get_parent(np);
if (immr_node && (of_device_is_compatible(immr_node, "fsl,mpc8315-immr") ||
+ of_device_is_compatible(immr_node, "fsl,mpc8306-immr") ||
of_device_is_compatible(immr_node, "fsl,mpc8308-immr")))
clrsetbits_be32(immap + MPC83XX_SCCR_OFFS,
MPC8315_SCCR_USB_MASK,
@@ -139,7 +140,14 @@ int mpc831x_usb_cfg(void)

/* Configure pin mux for ULPI. There is no pin mux for UTMI */
if (prop && !strcmp(prop, "ulpi")) {
- if (of_device_is_compatible(immr_node, "fsl,mpc8308-immr")) {
+ if (of_device_is_compatible(immr_node, "fsl,mpc8306-immr")) {
+ clrsetbits_be32(immap + MPC83XX_SICRL_OFFS,
+ MPC8306_SICRL_USB_MASK,
+ MPC8306_SICRL_USB_ULPI);
+ clrsetbits_be32(immap + MPC83XX_SICRH_OFFS,
+ MPC8306_SICRH_USB_MASK,
+ MPC8306_SICRH_USB_ULPI);
+ } else if (of_device_is_compatible(immr_node, "fsl,mpc8308-immr")) {
clrsetbits_be32(immap + MPC83XX_SICRH_OFFS,
MPC8308_SICRH_USB_MASK,
MPC8308_SICRH_USB_ULPI);
@@ -210,7 +218,7 @@ out:
of_node_put(np);
return ret;
}
-#endif /* CONFIG_PPC_MPC831x */
+#endif /* CONFIG_PPC_MPC8306 || CONFIG_PPC_MPC831x */

#ifdef CONFIG_PPC_MPC837x
int mpc837x_usb_cfg(void)
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 391b3f6..ecb7cad 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -296,6 +296,16 @@ config QE_GPIO
Say Y here if you're going to use hardware that connects to the
QE GPIOs.

+config QE_8306
+ bool "MPC8306 QE support"
+ depends on QUICC_ENGINE
+ default y if PPC_MPC8306
+ help
+ The QUICC Engine in the MPC8306 does not support all SNUM threads.
+
+ Say Y here only if you wish to build a kernel for a machine with an
+ MPC8306.
+
config CPM2
bool "Enable support for the CPM2 (Communications Processor Module)"
depends on (FSL_SOC_BOOKE && PPC32) || 8260
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index c2518cd..f967ff6 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -278,12 +278,17 @@ static void qe_snums_init(void)
0xF4, 0xF5, 0xFC, 0xFD,
};
static const u8 snum_init_46[] = {
+#if !defined(CONFIG_QE_8306)
0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D,
- 0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89,
- 0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9,
- 0xD8, 0xD9, 0xE8, 0xE9, 0x08, 0x09, 0x18, 0x19,
- 0x28, 0x29, 0x38, 0x39, 0x48, 0x49, 0x58, 0x59,
- 0x68, 0x69, 0x78, 0x79, 0x80, 0x81,
+ 0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35,
+#endif
+ 0x88, 0x89, 0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9,
+ 0xC8, 0xC9, 0xD8, 0xD9, 0xE8, 0xE9,
+#if !defined(CONFIG_QE_8306)
+ 0x08, 0x09, 0x18, 0x19, 0x28, 0x29, 0x38, 0x39,
+ 0x48, 0x49, 0x58, 0x59, 0x68, 0x69, 0x78, 0x79,
+ 0x80, 0x81,
+#endif
};
static const u8 *snum_init;

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index c1e2ca3..4c60e7f 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -217,11 +217,11 @@ config GPIO_MPC5200

config GPIO_MPC8XXX
bool "MPC512x/MPC8xxx GPIO support"
- depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \
- FSL_SOC_BOOKE || PPC_86xx
+ depends on PPC_MPC512x || PPC_MPC830x || PPC_MPC831x || PPC_MPC834x || \
+ PPC_MPC837x || FSL_SOC_BOOKE || PPC_86xx
help
Say Y here if you're going to use hardware that connects to the
- MPC512x/831x/834x/837x/8572/8610 GPIOs.
+ MPC512x/830x/831x/834x/837x/8572/8610 GPIOs.

config GPIO_MSM_V1
tristate "Qualcomm MSM GPIO v1"
--
2.1.4

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