[ARM] pxa: add MFP support for pxa168

Signed-off-by: Eric Miao <eric.miao@marvell.com>

3 files changed, 310 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
new file mode 100644
index 000000000000..d0bdb6e3682b
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
@@ -0,0 +1,258 @@
+#ifndef __ASM_MACH_MFP_PXA168_H
+#define __ASM_MACH_MFP_PXA168_H
+
+#include <mach/mfp.h>
+
+/* GPIO */
+#define GPIO0_GPIO		MFP_CFG(GPIO0, AF5)
+#define GPIO1_GPIO		MFP_CFG(GPIO1, AF5)
+#define GPIO2_GPIO		MFP_CFG(GPIO2, AF5)
+#define GPIO3_GPIO		MFP_CFG(GPIO3, AF5)
+#define GPIO4_GPIO		MFP_CFG(GPIO4, AF5)
+#define GPIO5_GPIO		MFP_CFG(GPIO5, AF5)
+#define GPIO6_GPIO		MFP_CFG(GPIO6, AF5)
+#define GPIO7_GPIO		MFP_CFG(GPIO7, AF5)
+#define GPIO8_GPIO		MFP_CFG(GPIO8, AF5)
+#define GPIO9_GPIO		MFP_CFG(GPIO9, AF5)
+#define GPIO10_GPIO		MFP_CFG(GPIO10, AF5)
+#define GPIO11_GPIO		MFP_CFG(GPIO11, AF5)
+#define GPIO12_GPIO		MFP_CFG(GPIO12, AF5)
+#define GPIO13_GPIO		MFP_CFG(GPIO13, AF5)
+#define GPIO14_GPIO		MFP_CFG(GPIO14, AF5)
+#define GPIO15_GPIO		MFP_CFG(GPIO15, AF5)
+#define GPIO16_GPIO		MFP_CFG(GPIO16, AF0)
+#define GPIO17_GPIO		MFP_CFG(GPIO17, AF5)
+#define GPIO18_GPIO		MFP_CFG(GPIO18, AF0)
+#define GPIO19_GPIO		MFP_CFG(GPIO19, AF5)
+#define GPIO20_GPIO		MFP_CFG(GPIO20, AF0)
+#define GPIO21_GPIO		MFP_CFG(GPIO21, AF5)
+#define GPIO22_GPIO		MFP_CFG(GPIO22, AF5)
+#define GPIO23_GPIO		MFP_CFG(GPIO23, AF5)
+#define GPIO24_GPIO		MFP_CFG(GPIO24, AF5)
+#define GPIO25_GPIO		MFP_CFG(GPIO25, AF5)
+#define GPIO26_GPIO		MFP_CFG(GPIO26, AF0)
+#define GPIO27_GPIO		MFP_CFG(GPIO27, AF5)
+#define GPIO28_GPIO		MFP_CFG(GPIO28, AF5)
+#define GPIO29_GPIO		MFP_CFG(GPIO29, AF5)
+#define GPIO30_GPIO		MFP_CFG(GPIO30, AF5)
+#define GPIO31_GPIO		MFP_CFG(GPIO31, AF5)
+#define GPIO32_GPIO		MFP_CFG(GPIO32, AF5)
+#define GPIO33_GPIO		MFP_CFG(GPIO33, AF5)
+#define GPIO34_GPIO		MFP_CFG(GPIO34, AF0)
+#define GPIO35_GPIO		MFP_CFG(GPIO35, AF0)
+#define GPIO36_GPIO		MFP_CFG(GPIO36, AF0)
+#define GPIO37_GPIO		MFP_CFG(GPIO37, AF0)
+#define GPIO38_GPIO		MFP_CFG(GPIO38, AF0)
+#define GPIO39_GPIO		MFP_CFG(GPIO39, AF0)
+#define GPIO40_GPIO		MFP_CFG(GPIO40, AF0)
+#define GPIO41_GPIO		MFP_CFG(GPIO41, AF0)
+#define GPIO42_GPIO		MFP_CFG(GPIO42, AF0)
+#define GPIO43_GPIO		MFP_CFG(GPIO43, AF0)
+#define GPIO44_GPIO		MFP_CFG(GPIO44, AF0)
+#define GPIO45_GPIO		MFP_CFG(GPIO45, AF0)
+#define GPIO46_GPIO		MFP_CFG(GPIO46, AF0)
+#define GPIO47_GPIO		MFP_CFG(GPIO47, AF0)
+#define GPIO48_GPIO		MFP_CFG(GPIO48, AF0)
+#define GPIO49_GPIO		MFP_CFG(GPIO49, AF0)
+#define GPIO50_GPIO		MFP_CFG(GPIO50, AF0)
+#define GPIO51_GPIO		MFP_CFG(GPIO51, AF0)
+#define GPIO52_GPIO		MFP_CFG(GPIO52, AF0)
+#define GPIO53_GPIO		MFP_CFG(GPIO53, AF0)
+#define GPIO54_GPIO		MFP_CFG(GPIO54, AF0)
+#define GPIO55_GPIO		MFP_CFG(GPIO55, AF0)
+#define GPIO56_GPIO		MFP_CFG(GPIO56, AF0)
+#define GPIO57_GPIO		MFP_CFG(GPIO57, AF0)
+#define GPIO58_GPIO		MFP_CFG(GPIO58, AF0)
+#define GPIO59_GPIO		MFP_CFG(GPIO59, AF0)
+#define GPIO60_GPIO		MFP_CFG(GPIO60, AF0)
+#define GPIO61_GPIO		MFP_CFG(GPIO61, AF0)
+#define GPIO62_GPIO		MFP_CFG(GPIO62, AF0)
+#define GPIO63_GPIO		MFP_CFG(GPIO63, AF0)
+#define GPIO64_GPIO		MFP_CFG(GPIO64, AF0)
+#define GPIO65_GPIO		MFP_CFG(GPIO65, AF0)
+#define GPIO66_GPIO		MFP_CFG(GPIO66, AF0)
+#define GPIO67_GPIO		MFP_CFG(GPIO67, AF0)
+#define GPIO68_GPIO		MFP_CFG(GPIO68, AF0)
+#define GPIO69_GPIO		MFP_CFG(GPIO69, AF0)
+#define GPIO70_GPIO		MFP_CFG(GPIO70, AF0)
+#define GPIO71_GPIO		MFP_CFG(GPIO71, AF0)
+#define GPIO72_GPIO		MFP_CFG(GPIO72, AF0)
+#define GPIO73_GPIO		MFP_CFG(GPIO73, AF0)
+#define GPIO74_GPIO		MFP_CFG(GPIO74, AF0)
+#define GPIO75_GPIO		MFP_CFG(GPIO75, AF0)
+#define GPIO76_GPIO		MFP_CFG(GPIO76, AF0)
+#define GPIO77_GPIO		MFP_CFG(GPIO77, AF0)
+#define GPIO78_GPIO		MFP_CFG(GPIO78, AF0)
+#define GPIO79_GPIO		MFP_CFG(GPIO79, AF0)
+#define GPIO80_GPIO		MFP_CFG(GPIO80, AF0)
+#define GPIO81_GPIO		MFP_CFG(GPIO81, AF0)
+#define GPIO82_GPIO		MFP_CFG(GPIO82, AF0)
+#define GPIO83_GPIO		MFP_CFG(GPIO83, AF0)
+#define GPIO84_GPIO		MFP_CFG(GPIO84, AF0)
+#define GPIO85_GPIO		MFP_CFG(GPIO85, AF0)
+#define GPIO86_GPIO		MFP_CFG(GPIO86, AF0)
+#define GPIO87_GPIO		MFP_CFG(GPIO87, AF0)
+#define GPIO88_GPIO		MFP_CFG(GPIO88, AF0)
+#define GPIO89_GPIO		MFP_CFG(GPIO89, AF0)
+#define GPIO90_GPIO		MFP_CFG(GPIO90, AF0)
+#define GPIO91_GPIO		MFP_CFG(GPIO91, AF0)
+#define GPIO92_GPIO		MFP_CFG(GPIO92, AF0)
+#define GPIO93_GPIO		MFP_CFG(GPIO93, AF0)
+#define GPIO94_GPIO		MFP_CFG(GPIO94, AF0)
+#define GPIO95_GPIO		MFP_CFG(GPIO95, AF0)
+#define GPIO96_GPIO		MFP_CFG(GPIO96, AF0)
+#define GPIO97_GPIO		MFP_CFG(GPIO97, AF0)
+#define GPIO98_GPIO		MFP_CFG(GPIO98, AF0)
+#define GPIO99_GPIO		MFP_CFG(GPIO99, AF0)
+#define GPIO100_GPIO		MFP_CFG(GPIO100, AF0)
+#define GPIO101_GPIO		MFP_CFG(GPIO101, AF0)
+#define GPIO102_GPIO		MFP_CFG(GPIO102, AF0)
+#define GPIO103_GPIO		MFP_CFG(GPIO103, AF0)
+#define GPIO104_GPIO		MFP_CFG(GPIO104, AF0)
+#define GPIO105_GPIO		MFP_CFG(GPIO105, AF0)
+#define GPIO106_GPIO		MFP_CFG(GPIO106, AF0)
+#define GPIO107_GPIO		MFP_CFG(GPIO107, AF0)
+#define GPIO108_GPIO		MFP_CFG(GPIO108, AF0)
+#define GPIO109_GPIO		MFP_CFG(GPIO109, AF0)
+#define GPIO110_GPIO		MFP_CFG(GPIO110, AF0)
+#define GPIO111_GPIO		MFP_CFG(GPIO111, AF0)
+#define GPIO112_GPIO		MFP_CFG(GPIO112, AF0)
+#define GPIO113_GPIO		MFP_CFG(GPIO113, AF0)
+#define GPIO114_GPIO		MFP_CFG(GPIO114, AF0)
+#define GPIO115_GPIO		MFP_CFG(GPIO115, AF0)
+#define GPIO116_GPIO		MFP_CFG(GPIO116, AF0)
+#define GPIO117_GPIO		MFP_CFG(GPIO117, AF0)
+#define GPIO118_GPIO		MFP_CFG(GPIO118, AF0)
+#define GPIO119_GPIO		MFP_CFG(GPIO119, AF0)
+#define GPIO120_GPIO		MFP_CFG(GPIO120, AF0)
+#define GPIO121_GPIO		MFP_CFG(GPIO121, AF0)
+#define GPIO122_GPIO		MFP_CFG(GPIO122, AF0)
+
+/* DFI */
+#define GPIO0_DFI_D15		MFP_CFG(GPIO0, AF0)
+#define GPIO1_DFI_D14		MFP_CFG(GPIO1, AF0)
+#define GPIO2_DFI_D13		MFP_CFG(GPIO2, AF0)
+#define GPIO3_DFI_D12		MFP_CFG(GPIO3, AF0)
+#define GPIO4_DFI_D11		MFP_CFG(GPIO4, AF0)
+#define GPIO5_DFI_D10		MFP_CFG(GPIO5, AF0)
+#define GPIO6_DFI_D9		MFP_CFG(GPIO6, AF0)
+#define GPIO7_DFI_D8		MFP_CFG(GPIO7, AF0)
+#define GPIO8_DFI_D7		MFP_CFG(GPIO8, AF0)
+#define GPIO9_DFI_D6		MFP_CFG(GPIO9, AF0)
+#define GPIO10_DFI_D5		MFP_CFG(GPIO10, AF0)
+#define GPIO11_DFI_D4		MFP_CFG(GPIO11, AF0)
+#define GPIO12_DFI_D3		MFP_CFG(GPIO12, AF0)
+#define GPIO13_DFI_D2		MFP_CFG(GPIO13, AF0)
+#define GPIO14_DFI_D1		MFP_CFG(GPIO14, AF0)
+#define GPIO15_DFI_D0		MFP_CFG(GPIO15, AF0)
+
+#define GPIO30_DFI_ADDR0	MFP_CFG(GPIO30, AF0)
+#define GPIO31_DFI_ADDR1	MFP_CFG(GPIO31, AF0)
+#define GPIO32_DFI_ADDR2	MFP_CFG(GPIO32, AF0)
+#define GPIO33_DFI_ADDR3	MFP_CFG(GPIO33, AF0)
+
+/* NAND */
+#define GPIO16_ND_nCS0		MFP_CFG(GPIO16, AF1)
+#define GPIO17_ND_nWE		MFP_CFG(GPIO17, AF0)
+#define GPIO21_ND_ALE		MFP_CFG(GPIO21, AF0)
+#define GPIO22_ND_CLE		MFP_CFG(GPIO22, AF0)
+#define GPIO24_ND_nRE		MFP_CFG(GPIO24, AF0)
+#define GPIO26_ND_RnB1		MFP_CFG(GPIO26, AF1)
+#define GPIO27_ND_RnB2		MFP_CFG(GPIO27, AF1)
+
+/* Static Memory Controller */
+#define GPIO18_SMC_nCS0		MFP_CFG(GPIO18, AF3)
+#define GPIO18_SMC_nCS1		MFP_CFG(GPIO18, AF2)
+#define GPIO16_SMC_nCS0		MFP_CFG(GPIO16, AF2)
+#define GPIO16_SMC_nCS1		MFP_CFG(GPIO16, AF3)
+#define GPIO19_SMC_nCS0		MFP_CFG(GPIO19, AF0)
+#define GPIO20_SMC_nCS1		MFP_CFG(GPIO20, AF2)
+#define GPIO23_SMC_nLUA		MFP_CFG(GPIO23, AF0)
+#define GPIO25_SMC_nLLA		MFP_CFG(GPIO25, AF0)
+#define GPIO27_SMC_IRQ		MFP_CFG(GPIO27, AF0)
+#define GPIO28_SMC_RDY		MFP_CFG(GPIO28, AF0)
+#define GPIO29_SMC_SCLK		MFP_CFG(GPIO29, AF0)
+#define GPIO34_SMC_nCS1		MFP_CFG(GPIO34, AF2)
+#define GPIO35_SMC_BE1		MFP_CFG(GPIO35, AF2)
+#define GPIO36_SMC_BE2		MFP_CFG(GPIO36, AF2)
+
+/* Compact Flash */
+#define GPIO19_CF_nCE1		MFP_CFG(GPIO19, AF3)
+#define GPIO20_CF_nCE2		MFP_CFG(GPIO20, AF3)
+#define GPIO23_CF_nALE		MFP_CFG(GPIO23, AF3)
+#define GPIO25_CF_nRESET	MFP_CFG(GPIO25, AF3)
+#define GPIO28_CF_RDY		MFP_CFG(GPIO28, AF3)
+#define GPIO29_CF_STSCH		MFP_CFG(GPIO29, AF3)
+#define GPIO30_CF_nREG		MFP_CFG(GPIO30, AF3)
+#define GPIO31_CF_nIOIS16	MFP_CFG(GPIO31, AF3)
+#define GPIO32_CF_nCD1		MFP_CFG(GPIO32, AF3)
+#define GPIO33_CF_nCD2		MFP_CFG(GPIO33, AF3)
+
+/* UART1 */
+#define GPIO107_UART1_TXD	MFP_CFG_DRV(GPIO107, AF1, FAST)
+#define GPIO107_UART1_RXD	MFP_CFG_DRV(GPIO107, AF2, FAST)
+#define GPIO108_UART1_RXD	MFP_CFG_DRV(GPIO108, AF1, FAST)
+#define GPIO108_UART1_TXD	MFP_CFG_DRV(GPIO108, AF2, FAST)
+#define GPIO109_UART1_CTS	MFP_CFG(GPIO109, AF1)
+#define GPIO109_UART1_RTS	MFP_CFG(GPIO109, AF2)
+#define GPIO110_UART1_RTS	MFP_CFG(GPIO110, AF1)
+#define GPIO110_UART1_CTS	MFP_CFG(GPIO110, AF2)
+#define GPIO111_UART1_RI	MFP_CFG(GPIO111, AF1)
+#define GPIO111_UART1_DSR	MFP_CFG(GPIO111, AF2)
+#define GPIO112_UART1_DTR	MFP_CFG(GPIO111, AF1)
+#define GPIO112_UART1_DCD	MFP_CFG(GPIO112, AF2)
+
+/* MMC1 */
+#define GPIO37_MMC1_DAT7	MFP_CFG(GPIO37, AF1)
+#define GPIO38_MMC1_DAT6	MFP_CFG(GPIO38, AF1)
+#define GPIO54_MMC1_DAT5	MFP_CFG(GPIO54, AF1)
+#define GPIO48_MMC1_DAT4	MFP_CFG(GPIO48, AF1)
+#define GPIO51_MMC1_DAT3	MFP_CFG(GPIO51, AF1)
+#define GPIO52_MMC1_DAT2	MFP_CFG(GPIO52, AF1)
+#define GPIO40_MMC1_DAT1	MFP_CFG(GPIO40, AF1)
+#define GPIO41_MMC1_DAT0	MFP_CFG(GPIO41, AF1)
+#define GPIO49_MMC1_CMD		MFP_CFG(GPIO49, AF1)
+#define GPIO43_MMC1_CLK		MFP_CFG(GPIO43, AF1)
+#define GPIO53_MMC1_CD		MFP_CFG(GPIO53, AF1)
+#define GPIO46_MMC1_WP		MFP_CFG(GPIO46, AF1)
+
+/* LCD */
+#define GPIO84_LCD_CS		MFP_CFG(GPIO84, AF1)
+#define GPIO60_LCD_DD0		MFP_CFG(GPIO60, AF1)
+#define GPIO61_LCD_DD1		MFP_CFG(GPIO61, AF1)
+#define GPIO70_LCD_DD10		MFP_CFG(GPIO70, AF1)
+#define GPIO71_LCD_DD11		MFP_CFG(GPIO71, AF1)
+#define GPIO72_LCD_DD12		MFP_CFG(GPIO72, AF1)
+#define GPIO73_LCD_DD13		MFP_CFG(GPIO73, AF1)
+#define GPIO74_LCD_DD14		MFP_CFG(GPIO74, AF1)
+#define GPIO75_LCD_DD15		MFP_CFG(GPIO75, AF1)
+#define GPIO76_LCD_DD16		MFP_CFG(GPIO76, AF1)
+#define GPIO77_LCD_DD17		MFP_CFG(GPIO77, AF1)
+#define GPIO78_LCD_DD18		MFP_CFG(GPIO78, AF1)
+#define GPIO79_LCD_DD19		MFP_CFG(GPIO79, AF1)
+#define GPIO62_LCD_DD2		MFP_CFG(GPIO62, AF1)
+#define GPIO80_LCD_DD20		MFP_CFG(GPIO80, AF1)
+#define GPIO81_LCD_DD21		MFP_CFG(GPIO81, AF1)
+#define GPIO82_LCD_DD22		MFP_CFG(GPIO82, AF1)
+#define GPIO83_LCD_DD23		MFP_CFG(GPIO83, AF1)
+#define GPIO63_LCD_DD3		MFP_CFG(GPIO63, AF1)
+#define GPIO64_LCD_DD4		MFP_CFG(GPIO64, AF1)
+#define GPIO65_LCD_DD5		MFP_CFG(GPIO65, AF1)
+#define GPIO66_LCD_DD6		MFP_CFG(GPIO66, AF1)
+#define GPIO67_LCD_DD7		MFP_CFG(GPIO67, AF1)
+#define GPIO68_LCD_DD8		MFP_CFG(GPIO68, AF1)
+#define GPIO69_LCD_DD9		MFP_CFG(GPIO69, AF1)
+#define GPIO59_LCD_DENA_BIAS	MFP_CFG(GPIO59, AF1)
+#define GPIO56_LCD_FCLK_RD	MFP_CFG(GPIO56, AF1)
+#define GPIO57_LCD_LCLK_A0	MFP_CFG(GPIO57, AF1)
+#define GPIO58_LCD_PCLK_WR	MFP_CFG(GPIO58, AF1)
+#define GPIO85_LCD_VSYNC	MFP_CFG(GPIO85, AF1)
+
+/* I2S */
+#define GPIO113_I2S_MCLK	MFP_CFG(GPIO113,AF6)
+#define GPIO114_I2S_FRM		MFP_CFG(GPIO114,AF1)
+#define GPIO115_I2S_BCLK	MFP_CFG(GPIO115,AF1)
+#define GPIO116_I2S_RXD		MFP_CFG(GPIO116,AF2)
+#define GPIO117_I2S_TXD		MFP_CFG(GPIO117,AF2)
+
+#endif /* __ASM_MACH_MFP_PXA168_H */
diff --git a/arch/arm/mach-mmp/include/mach/mfp.h b/arch/arm/mach-mmp/include/mach/mfp.h
new file mode 100644
index 000000000000..277ea4cd0f9f
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mfp.h
@@ -0,0 +1,37 @@
+#ifndef __ASM_MACH_MFP_H
+#define __ASM_MACH_MFP_H
+
+#include <plat/mfp.h>
+
+/*
+ * NOTE: the MFPR register bit definitions on PXA168 processor lines are a
+ * bit different from those on PXA3xx.  Bit [7:10] are now reserved, which
+ * were SLEEP_OE_N, SLEEP_DATA, SLEEP_SEL and the LSB of DRIVE bits.
+ *
+ * To cope with this difference and re-use the pxa3xx mfp code as much as
+ * possible, we make the following compromise:
+ *
+ * 1. SLEEP_OE_N will always be programmed to '1' (by MFP_LPM_FLOAT)
+ * 2. DRIVE strength definitions redefined to include the reserved bit10
+ * 3. Override MFP_CFG() and MFP_CFG_DRV()
+ * 4. Drop the use of MFP_CFG_LPM() and MFP_CFG_X()
+ */
+
+#define MFP_DRIVE_VERY_SLOW	(0x0 << 13)
+#define MFP_DRIVE_SLOW		(0x2 << 13)
+#define MFP_DRIVE_MEDIUM	(0x4 << 13)
+#define MFP_DRIVE_FAST		(0x8 << 13)
+
+#undef MFP_CFG
+#undef MFP_CFG_DRV
+#undef MFP_CFG_LPM
+#undef MFP_CFG_X
+#undef MFP_CFG_DEFAULT
+
+#define MFP_CFG(pin, af)		\
+	(MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM)
+
+#define MFP_CFG_DRV(pin, af, drv)	\
+	(MFP_LPM_FLOAT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv)
+
+#endif /* __ASM_MACH_MFP_H */
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 1774682e988e..ae924468658c 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -23,10 +23,23 @@
 #include <mach/gpio.h>
 #include <mach/dma.h>
 #include <mach/devices.h>
+#include <mach/mfp.h>
 
 #include "common.h"
 #include "clock.h"
 
+#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)
+
+static struct mfp_addr_map pxa168_mfp_addr_map[] __initdata =
+{
+	MFP_ADDR_X(GPIO0,   GPIO36,  0x04c),
+	MFP_ADDR_X(GPIO37,  GPIO55,  0x000),
+	MFP_ADDR_X(GPIO56,  GPIO123, 0x0e0),
+	MFP_ADDR_X(GPIO124, GPIO127, 0x0f4),
+
+	MFP_ADDR_END,
+};
+
 #define APMASK(i)	(GPIO_REGS_VIRT + BANK_OFF(i) + 0x09c)
 
 static void __init pxa168_init_gpio(void)
@@ -62,6 +75,8 @@ static struct clk_lookup pxa168_clkregs[] = {
 static int __init pxa168_init(void)
 {
 	if (cpu_is_pxa168()) {
+		mfp_init_base(MFPR_VIRT_BASE);
+		mfp_init_addr(pxa168_mfp_addr_map);
 		pxa_init_dma(IRQ_PXA168_DMA_INT0, 32);
 		clks_register(ARRAY_AND_SIZE(pxa168_clkregs));
 	}