summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h')
-rw-r--r--arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h252
1 files changed, 252 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
new file mode 100644
index 000000000000..1f6b35c015d0
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h
@@ -0,0 +1,252 @@
+#ifndef __ASM_ARCH_MFP_PXA3XX_H
+#define __ASM_ARCH_MFP_PXA3XX_H
+
+#define MFPR_BASE (0x40e10000)
+#define MFPR_SIZE (PAGE_SIZE)
+
+/* MFPR register bit definitions */
+#define MFPR_PULL_SEL (0x1 << 15)
+#define MFPR_PULLUP_EN (0x1 << 14)
+#define MFPR_PULLDOWN_EN (0x1 << 13)
+#define MFPR_SLEEP_SEL (0x1 << 9)
+#define MFPR_SLEEP_OE_N (0x1 << 7)
+#define MFPR_EDGE_CLEAR (0x1 << 6)
+#define MFPR_EDGE_FALL_EN (0x1 << 5)
+#define MFPR_EDGE_RISE_EN (0x1 << 4)
+
+#define MFPR_SLEEP_DATA(x) ((x) << 8)
+#define MFPR_DRIVE(x) (((x) & 0x7) << 10)
+#define MFPR_AF_SEL(x) (((x) & 0x7) << 0)
+
+#define MFPR_EDGE_NONE (0)
+#define MFPR_EDGE_RISE (MFPR_EDGE_RISE_EN)
+#define MFPR_EDGE_FALL (MFPR_EDGE_FALL_EN)
+#define MFPR_EDGE_BOTH (MFPR_EDGE_RISE | MFPR_EDGE_FALL)
+
+/*
+ * Table that determines the low power modes outputs, with actual settings
+ * used in parentheses for don't-care values. Except for the float output,
+ * the configured driven and pulled levels match, so if there is a need for
+ * non-LPM pulled output, the same configuration could probably be used.
+ *
+ * Output value sleep_oe_n sleep_data pullup_en pulldown_en pull_sel
+ * (bit 7) (bit 8) (bit 14) (bit 13) (bit 15)
+ *
+ * Input 0 X(0) X(0) X(0) 0
+ * Drive 0 0 0 0 X(1) 0
+ * Drive 1 0 1 X(1) 0 0
+ * Pull hi (1) 1 X(1) 1 0 0
+ * Pull lo (0) 1 X(0) 0 1 0
+ * Z (float) 1 X(0) 0 0 0
+ */
+#define MFPR_LPM_INPUT (0)
+#define MFPR_LPM_DRIVE_LOW (MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN)
+#define MFPR_LPM_DRIVE_HIGH (MFPR_SLEEP_DATA(1) | MFPR_PULLUP_EN)
+#define MFPR_LPM_PULL_LOW (MFPR_LPM_DRIVE_LOW | MFPR_SLEEP_OE_N)
+#define MFPR_LPM_PULL_HIGH (MFPR_LPM_DRIVE_HIGH | MFPR_SLEEP_OE_N)
+#define MFPR_LPM_FLOAT (MFPR_SLEEP_OE_N)
+#define MFPR_LPM_MASK (0xe080)
+
+/*
+ * The pullup and pulldown state of the MFP pin at run mode is by default
+ * determined by the selected alternate function. In case that some buggy
+ * devices need to override this default behavior, the definitions below
+ * indicates the setting of corresponding MFPR bits
+ *
+ * Definition pull_sel pullup_en pulldown_en
+ * MFPR_PULL_NONE 0 0 0
+ * MFPR_PULL_LOW 1 0 1
+ * MFPR_PULL_HIGH 1 1 0
+ * MFPR_PULL_BOTH 1 1 1
+ */
+#define MFPR_PULL_NONE (0)
+#define MFPR_PULL_LOW (MFPR_PULL_SEL | MFPR_PULLDOWN_EN)
+#define MFPR_PULL_BOTH (MFPR_PULL_LOW | MFPR_PULLUP_EN)
+#define MFPR_PULL_HIGH (MFPR_PULL_SEL | MFPR_PULLUP_EN)
+
+/* PXA3xx common MFP configurations - processor specific ones defined
+ * in mfp-pxa300.h and mfp-pxa320.h
+ */
+#define GPIO0_GPIO MFP_CFG(GPIO0, AF0)
+#define GPIO1_GPIO MFP_CFG(GPIO1, AF0)
+#define GPIO2_GPIO MFP_CFG(GPIO2, AF0)
+#define GPIO3_GPIO MFP_CFG(GPIO3, AF0)
+#define GPIO4_GPIO MFP_CFG(GPIO4, AF0)
+#define GPIO5_GPIO MFP_CFG(GPIO5, AF0)
+#define GPIO6_GPIO MFP_CFG(GPIO6, AF0)
+#define GPIO7_GPIO MFP_CFG(GPIO7, AF0)
+#define GPIO8_GPIO MFP_CFG(GPIO8, AF0)
+#define GPIO9_GPIO MFP_CFG(GPIO9, AF0)
+#define GPIO10_GPIO MFP_CFG(GPIO10, AF0)
+#define GPIO11_GPIO MFP_CFG(GPIO11, AF0)
+#define GPIO12_GPIO MFP_CFG(GPIO12, AF0)
+#define GPIO13_GPIO MFP_CFG(GPIO13, AF0)
+#define GPIO14_GPIO MFP_CFG(GPIO14, AF0)
+#define GPIO15_GPIO MFP_CFG(GPIO15, AF0)
+#define GPIO16_GPIO MFP_CFG(GPIO16, AF0)
+#define GPIO17_GPIO MFP_CFG(GPIO17, AF0)
+#define GPIO18_GPIO MFP_CFG(GPIO18, AF0)
+#define GPIO19_GPIO MFP_CFG(GPIO19, AF0)
+#define GPIO20_GPIO MFP_CFG(GPIO20, AF0)
+#define GPIO21_GPIO MFP_CFG(GPIO21, AF0)
+#define GPIO22_GPIO MFP_CFG(GPIO22, AF0)
+#define GPIO23_GPIO MFP_CFG(GPIO23, AF0)
+#define GPIO24_GPIO MFP_CFG(GPIO24, AF0)
+#define GPIO25_GPIO MFP_CFG(GPIO25, AF0)
+#define GPIO26_GPIO MFP_CFG(GPIO26, AF0)
+#define GPIO27_GPIO MFP_CFG(GPIO27, AF0)
+#define GPIO28_GPIO MFP_CFG(GPIO28, AF0)
+#define GPIO29_GPIO MFP_CFG(GPIO29, AF0)
+#define GPIO30_GPIO MFP_CFG(GPIO30, AF0)
+#define GPIO31_GPIO MFP_CFG(GPIO31, AF0)
+#define GPIO32_GPIO MFP_CFG(GPIO32, AF0)
+#define GPIO33_GPIO MFP_CFG(GPIO33, AF0)
+#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 GPIO47_GPIO MFP_CFG(GPIO47, AF0)
+#define GPIO48_GPIO MFP_CFG(GPIO48, AF0)
+
+#define GPIO53_GPIO MFP_CFG(GPIO53, AF0)
+#define GPIO54_GPIO MFP_CFG(GPIO54, AF0)
+#define GPIO55_GPIO MFP_CFG(GPIO55, AF0)
+
+#define GPIO57_GPIO MFP_CFG(GPIO57, 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)
+#define GPIO123_GPIO MFP_CFG(GPIO123, AF0)
+#define GPIO124_GPIO MFP_CFG(GPIO124, AF0)
+#define GPIO125_GPIO MFP_CFG(GPIO125, AF0)
+#define GPIO126_GPIO MFP_CFG(GPIO126, AF0)
+#define GPIO127_GPIO MFP_CFG(GPIO127, AF0)
+
+#define GPIO0_2_GPIO MFP_CFG(GPIO0_2, AF0)
+#define GPIO1_2_GPIO MFP_CFG(GPIO1_2, AF0)
+#define GPIO2_2_GPIO MFP_CFG(GPIO2_2, AF0)
+#define GPIO3_2_GPIO MFP_CFG(GPIO3_2, AF0)
+#define GPIO4_2_GPIO MFP_CFG(GPIO4_2, AF0)
+#define GPIO5_2_GPIO MFP_CFG(GPIO5_2, AF0)
+#define GPIO6_2_GPIO MFP_CFG(GPIO6_2, AF0)
+
+/*
+ * each MFP pin will have a MFPR register, since the offset of the
+ * register varies between processors, the processor specific code
+ * should initialize the pin offsets by pxa3xx_mfp_init_addr()
+ *
+ * pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map"
+ * structure, which represents a range of MFP pins from "start" to
+ * "end", with the offset begining at "offset", to define a single
+ * pin, let "end" = -1
+ *
+ * use
+ *
+ * MFP_ADDR_X() to define a range of pins
+ * MFP_ADDR() to define a single pin
+ * MFP_ADDR_END to signal the end of pin offset definitions
+ */
+struct pxa3xx_mfp_addr_map {
+ unsigned int start;
+ unsigned int end;
+ unsigned long offset;
+};
+
+#define MFP_ADDR_X(start, end, offset) \
+ { MFP_PIN_##start, MFP_PIN_##end, offset }
+
+#define MFP_ADDR(pin, offset) \
+ { MFP_PIN_##pin, -1, offset }
+
+#define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
+
+/*
+ * pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access
+ * to the MFPR register
+ */
+unsigned long pxa3xx_mfp_read(int mfp);
+void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val);
+
+/*
+ * pxa3xx_mfp_config - configure the MFPR registers
+ *
+ * used by board specific initialization code
+ */
+void pxa3xx_mfp_config(unsigned long *mfp_cfgs, int num);
+
+/*
+ * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin
+ * index and MFPR register offset
+ *
+ * used by processor specific code
+ */
+void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *);
+void __init pxa3xx_init_mfp(void);
+#endif /* __ASM_ARCH_MFP_PXA3XX_H */