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| author | Liu Hui-R64343 <r64343@freescale.com> | 2011-01-03 22:27:35 +0000 |
|---|---|---|
| committer | Albert Aribaud <albert.aribaud@free.fr> | 2011-02-02 00:54:41 +0100 |
| commit | 595f3e56459797d70e842bce93d0dd01455a329f (patch) | |
| tree | b15d85a465ce3460a2532e1e39767d72da97a865 /arch/arm/cpu/armv7/mx5/iomux.c | |
| parent | 877eb0f91543dc5bca385bb6d22454b1d43f3e2d (diff) | |
| download | u-boot-imx-595f3e56459797d70e842bce93d0dd01455a329f.zip u-boot-imx-595f3e56459797d70e842bce93d0dd01455a329f.tar.gz u-boot-imx-595f3e56459797d70e842bce93d0dd01455a329f.tar.bz2 | |
MX5: Add initial support for MX53 processor
Add initial support for Freescale MX53 processor,
- Add the iomux support and the pin definition,
- Add the regs definition, clean up some unused def from mx51,
- Add the low level init support, make use the freq input of setup_pll macro
Signed-off-by: Jason Liu <r64343@freescale.com>
Diffstat (limited to 'arch/arm/cpu/armv7/mx5/iomux.c')
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/iomux.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/cpu/armv7/mx5/iomux.c b/arch/arm/cpu/armv7/mx5/iomux.c index e8928d5..d4e3bbb 100644 --- a/arch/arm/cpu/armv7/mx5/iomux.c +++ b/arch/arm/cpu/armv7/mx5/iomux.c @@ -34,7 +34,7 @@ enum iomux_reg_addr { IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR, IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END, IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START, - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR, + IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + INPUT_CTL_START, }; #define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1) @@ -44,11 +44,12 @@ static inline u32 get_mux_reg(iomux_pin_name_t pin) { u32 mux_reg = PIN_TO_IOMUX_MUX(pin); +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) { /* * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. + * i.MX51 TO1 has offset with the register + * which is define as TO2. */ if ((pin == MX51_PIN_NANDF_RB5) || (pin == MX51_PIN_NANDF_RB6) || @@ -59,6 +60,7 @@ static inline u32 get_mux_reg(iomux_pin_name_t pin) else if (mux_reg >= 0x130) mux_reg += 0xC; } +#endif mux_reg += IOMUXSW_MUX_CTL; return mux_reg; } @@ -68,11 +70,12 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) { u32 pad_reg = PIN_TO_IOMUX_PAD(pin); +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) { /* * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. + * i.MX51 TO1 has offset with the register + * which is define as TO2. */ if ((pin == MX51_PIN_NANDF_RB5) || (pin == MX51_PIN_NANDF_RB6) || @@ -91,6 +94,7 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) else pad_reg += 8; } +#endif pad_reg += IOMUXSW_PAD_CTL; return pad_reg; } @@ -98,10 +102,13 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) /* Get the last iomux register address */ static inline u32 get_mux_end(void) { +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) return IOMUXC_BASE_ADDR + (0x3F8 - 4); else return IOMUXC_BASE_ADDR + (0x3F0 - 4); +#endif + return IOMUXSW_MUX_END; } /* @@ -164,3 +171,16 @@ unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin) u32 pad_reg = get_pad_reg(pin); return readl(pad_reg); } + +/* + * This function configures daisy-chain + * + * @param input index of input select register + * @param config the binary value of elements + */ +void mxc_iomux_set_input(iomux_input_select_t input, u32 config) +{ + u32 reg = IOMUXSW_INPUT_CTL + (input << 2); + + writel(config, reg); +} |