[PATCH] armv7: Add CPLD support via IFC to the ls1021a-iot board.

[Mateus Lima Alves]

This patch adds CPLD support via IFC to the ls1021a-iot board.

Signed-off-by: Mateus Lima Alves <mateuslima.ti at gmail.com>
---
 board/freescale/ls1021aiot/ls1021aiot.c |  5 ++++
 configs/ls1021aiot_sdcard_defconfig     |  2 +-
 drivers/misc/Kconfig                    |  6 ++++-
 include/configs/ls1021aiot.h            | 34 +++++++++++++++++++++++++
 4 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/board/freescale/ls1021aiot/ls1021aiot.c b/board/freescale/ls1021aiot/ls1021aiot.c
index 4eff0a3fee0..52a3c3abdb4 100644
--- a/board/freescale/ls1021aiot/ls1021aiot.c
+++ b/board/freescale/ls1021aiot/ls1021aiot.c
@@ -21,6 +21,7 @@
 #include <asm/sections.h>
 #include <fsl_csu.h>
 #include <fsl_immap.h>
+#include <fsl_ifc.h>
 #include <netdev.h>
 #include <fsl_mdio.h>
 #include <tsec.h>
@@ -120,6 +121,10 @@ int board_early_init_f(void)
 
 #endif
 
+#ifdef CONFIG_FSL_IFC
+	init_early_memctl_regs();
+#endif
+
 	arch_soc_init();
 
 	return 0;
diff --git a/configs/ls1021aiot_sdcard_defconfig b/configs/ls1021aiot_sdcard_defconfig
index 6b32150e408..450b46a6f1d 100644
--- a/configs/ls1021aiot_sdcard_defconfig
+++ b/configs/ls1021aiot_sdcard_defconfig
@@ -63,7 +63,6 @@ CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
 # CONFIG_CMD_MDIO is not set
 CONFIG_CMD_PING=y
 CONFIG_CMD_EXT2=y
@@ -106,3 +105,4 @@ CONFIG_FSL_QSPI=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_FSL_IFC=y
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index dde773ab6b1..229a50f266f 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -694,7 +694,11 @@ config ESM_PMIC
 	  typically to reboot the board in error condition.
 
 config FSL_IFC
-	bool
+	bool "Freescale Integrated Flash Controller"
+	help
+	  This driver is for the Integrated Flash Controller(IFC) module
+	  available in Freescale SoCs. This controller allows to handle
+	  devices such as NOR, NAND, FPGA and ASIC etc.
 
 config SL28CPLD
 	bool "Enable Kontron sl28cpld multi-function driver"
diff --git a/include/configs/ls1021aiot.h b/include/configs/ls1021aiot.h
index 971a393817a..66beff10002 100644
--- a/include/configs/ls1021aiot.h
+++ b/include/configs/ls1021aiot.h
@@ -44,6 +44,40 @@
 #define CFG_SYS_DDR_SDRAM_BASE	0x80000000UL
 #define CFG_SYS_SDRAM_BASE		CFG_SYS_DDR_SDRAM_BASE
 
+/* CPLD */
+
+#define CFG_SYS_CPLD_BASE		0x7fb00000
+#define CPLD_BASE_PHYS			CFG_SYS_CPLD_BASE
+
+#define CFG_SYS_FPGA_CSPR_EXT	(0x0)
+#define CFG_SYS_FPGA_CSPR		(CSPR_PHYS_ADDR(CPLD_BASE_PHYS) | \
+								 CSPR_PORT_SIZE_8 | \
+								 CSPR_MSEL_GPCM | \
+								 CSPR_V)
+#define CFG_SYS_FPGA_AMASK		IFC_AMASK(64 * 1024)
+#define CFG_SYS_FPGA_CSOR		(CSOR_NOR_ADM_SHIFT(4) | \
+								 CSOR_NOR_NOR_MODE_AVD_NOR | \
+								 CSOR_NOR_TRHZ_80)
+
+/* CPLD Timing parameters for IFC GPCM */
+#define CFG_SYS_FPGA_FTIM0		(FTIM0_GPCM_TACSE(0xf) | \
+								 FTIM0_GPCM_TEADC(0xf) | \
+								 FTIM0_GPCM_TEAHC(0xf))
+#define CFG_SYS_FPGA_FTIM1		(FTIM1_GPCM_TACO(0xff) | \
+								 FTIM1_GPCM_TRAD(0x3f))
+#define CFG_SYS_FPGA_FTIM2		(FTIM2_GPCM_TCS(0xf) | \
+								 FTIM2_GPCM_TCH(0xf) | \
+								 FTIM2_GPCM_TWP(0xff))
+#define CFG_SYS_FPGA_FTIM3		0x0
+#define CFG_SYS_CSPR0_EXT		CFG_SYS_FPGA_CSPR_EXT
+#define CFG_SYS_CSPR0			CFG_SYS_FPGA_CSPR
+#define CFG_SYS_AMASK0			CFG_SYS_FPGA_AMASK
+#define CFG_SYS_CSOR0			CFG_SYS_FPGA_CSOR
+#define CFG_SYS_CS0_FTIM0		CFG_SYS_FPGA_FTIM0
+#define CFG_SYS_CS0_FTIM1		CFG_SYS_FPGA_FTIM1
+#define CFG_SYS_CS0_FTIM2		CFG_SYS_FPGA_FTIM2
+#define CFG_SYS_CS0_FTIM3		CFG_SYS_FPGA_FTIM3
+
 /*
  * Serial Port
  */
-- 
2.43.0