From d381294aef4a5b6ddeda3685519330a5b73d884f Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Fri, 21 Mar 2014 15:58:03 -0600 Subject: [PATCH] ARM: tegra: pack pinmux data tables tighter Use smaller fields in the Tegra pinmux structures in order to pack the data tables into a smaller space. This saves around 1-3KB for the SPL and around 3-8KB for the main build of U-Boot, depending on the board, which SoC it uses, and how many pinmux table entries there are. In order to pack PMUX_FUNC_* into a smaller space, don't hard-code the values of PMUX_FUNC_RSVD* to values which require 16 bits to store them, but instead let their values be assigned automatically, so they end up fitting into 8 bits. Signed-off-by: Stephen Warren Acked-by: Simon Glass Signed-off-by: Tom Warren --- arch/arm/cpu/tegra-common/pinmux-common.c | 7 ++-- arch/arm/include/asm/arch-tegra/pinmux.h | 42 ++++++++++----------- arch/arm/include/asm/arch-tegra114/pinmux.h | 8 ++-- arch/arm/include/asm/arch-tegra124/pinmux.h | 8 ++-- arch/arm/include/asm/arch-tegra20/pinmux.h | 8 ++-- arch/arm/include/asm/arch-tegra30/pinmux.h | 8 ++-- 6 files changed, 40 insertions(+), 41 deletions(-) diff --git a/arch/arm/cpu/tegra-common/pinmux-common.c b/arch/arm/cpu/tegra-common/pinmux-common.c index 32a46d53f0..d62618cd0f 100644 --- a/arch/arm/cpu/tegra-common/pinmux-common.c +++ b/arch/arm/cpu/tegra-common/pinmux-common.c @@ -14,8 +14,7 @@ /* return 1 if a pmux_func is in range */ #define pmux_func_isvalid(func) \ - ((((func) >= 0) && ((func) < PMUX_FUNC_COUNT)) || \ - (((func) >= PMUX_FUNC_RSVD1) && ((func) <= PMUX_FUNC_RSVD4))) + (((func) >= 0) && ((func) < PMUX_FUNC_COUNT)) /* return 1 if a pin_pupd_is in range */ #define pmux_pin_pupd_isvalid(pupd) \ @@ -97,8 +96,8 @@ void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func) assert(pmux_pingrp_isvalid(pin)); assert(pmux_func_isvalid(func)); - if (func & PMUX_FUNC_RSVD1) { - mux = func & 3; + if (func >= PMUX_FUNC_RSVD1) { + mux = (func - PMUX_FUNC_RSVD1) & 3; } else { /* Search for the appropriate function */ for (i = 0; i < 4; i++) { diff --git a/arch/arm/include/asm/arch-tegra/pinmux.h b/arch/arm/include/asm/arch-tegra/pinmux.h index 80b804694a..035159d665 100644 --- a/arch/arm/include/asm/arch-tegra/pinmux.h +++ b/arch/arm/include/asm/arch-tegra/pinmux.h @@ -64,18 +64,18 @@ enum pmux_pin_rcv_sel { * available is pinmux_config_table() to configure a list of pins. */ struct pmux_pingrp_config { - enum pmux_pingrp pingrp; /* pin group PMUX_PINGRP_... */ - enum pmux_func func; /* function to assign PMUX_FUNC_... */ - enum pmux_pull pull; /* pull up/down/normal PMUX_PULL_...*/ - enum pmux_tristate tristate; /* tristate or normal PMUX_TRI_... */ + u32 pingrp:16; /* pin group PMUX_PINGRP_... */ + u32 func:8; /* function to assign PMUX_FUNC_... */ + u32 pull:2; /* pull up/down/normal PMUX_PULL_...*/ + u32 tristate:2; /* tristate or normal PMUX_TRI_... */ #ifdef TEGRA_PMX_HAS_PIN_IO_BIT_ETC - enum pmux_pin_io io; /* input or output PMUX_PIN_... */ - enum pmux_pin_lock lock; /* lock enable/disable PMUX_PIN... */ - enum pmux_pin_od od; /* open-drain or push-pull driver */ - enum pmux_pin_ioreset ioreset; /* input/output reset PMUX_PIN... */ + u32 io:2; /* input or output PMUX_PIN_... */ + u32 lock:2; /* lock enable/disable PMUX_PIN... */ + u32 od:2; /* open-drain or push-pull driver */ + u32 ioreset:2; /* input/output reset PMUX_PIN... */ #ifdef TEGRA_PMX_HAS_RCV_SEL - enum pmux_pin_rcv_sel rcv_sel; /* select between High and Normal */ - /* VIL/VIH receivers */ + u32 rcv_sel:2; /* select between High and Normal */ + /* VIL/VIH receivers */ #endif #endif }; @@ -151,14 +151,14 @@ enum pmux_hsm { * This defines the configuration for a pin group's pad control config */ struct pmux_drvgrp_config { - enum pmux_drvgrp drvgrp; /* pin group PMUX_DRVGRP_x */ - int slwf; /* falling edge slew */ - int slwr; /* rising edge slew */ - int drvup; /* pull-up drive strength */ - int drvdn; /* pull-down drive strength */ - enum pmux_lpmd lpmd; /* low-power mode selection */ - enum pmux_schmt schmt; /* schmidt enable */ - enum pmux_hsm hsm; /* high-speed mode enable */ + u32 drvgrp:16; /* pin group PMUX_DRVGRP_x */ + u32 slwf:3; /* falling edge slew */ + u32 slwr:3; /* rising edge slew */ + u32 drvup:8; /* pull-up drive strength */ + u32 drvdn:8; /* pull-down drive strength */ + u32 lpmd:3; /* low-power mode selection */ + u32 schmt:2; /* schmidt enable */ + u32 hsm:2; /* high-speed mode enable */ }; /** @@ -173,10 +173,10 @@ void pinmux_config_drvgrp_table(const struct pmux_drvgrp_config *config, #endif /* TEGRA_PMX_HAS_DRVGRPS */ struct pmux_pingrp_desc { - enum pmux_func funcs[4]; + u8 funcs[4]; #if defined(CONFIG_TEGRA20) - u32 ctl_id; - u32 pull_id; + u8 ctl_id; + u8 pull_id; #endif /* CONFIG_TEGRA20 */ }; diff --git a/arch/arm/include/asm/arch-tegra114/pinmux.h b/arch/arm/include/asm/arch-tegra114/pinmux.h index 0df69e3ab3..c1cb3ef16b 100644 --- a/arch/arm/include/asm/arch-tegra114/pinmux.h +++ b/arch/arm/include/asm/arch-tegra114/pinmux.h @@ -305,11 +305,11 @@ enum pmux_func { PMUX_FUNC_VI, PMUX_FUNC_VI_ALT1, PMUX_FUNC_VI_ALT3, + PMUX_FUNC_RSVD1, + PMUX_FUNC_RSVD2, + PMUX_FUNC_RSVD3, + PMUX_FUNC_RSVD4, PMUX_FUNC_COUNT, - PMUX_FUNC_RSVD1 = 0x8000, - PMUX_FUNC_RSVD2 = 0x8001, - PMUX_FUNC_RSVD3 = 0x8002, - PMUX_FUNC_RSVD4 = 0x8003, }; #define TEGRA_PMX_HAS_PIN_IO_BIT_ETC diff --git a/arch/arm/include/asm/arch-tegra124/pinmux.h b/arch/arm/include/asm/arch-tegra124/pinmux.h index 70254b5c73..c49801c21d 100644 --- a/arch/arm/include/asm/arch-tegra124/pinmux.h +++ b/arch/arm/include/asm/arch-tegra124/pinmux.h @@ -327,11 +327,11 @@ enum pmux_func { PMUX_FUNC_VI_ALT3, PMUX_FUNC_VIMCLK2, PMUX_FUNC_VIMCLK2_ALT, + PMUX_FUNC_RSVD1, + PMUX_FUNC_RSVD2, + PMUX_FUNC_RSVD3, + PMUX_FUNC_RSVD4, PMUX_FUNC_COUNT, - PMUX_FUNC_RSVD1 = 0x8000, - PMUX_FUNC_RSVD2 = 0x8001, - PMUX_FUNC_RSVD3 = 0x8002, - PMUX_FUNC_RSVD4 = 0x8003, }; #define TEGRA_PMX_HAS_PIN_IO_BIT_ETC diff --git a/arch/arm/include/asm/arch-tegra20/pinmux.h b/arch/arm/include/asm/arch-tegra20/pinmux.h index d7802d9675..11c0104ff3 100644 --- a/arch/arm/include/asm/arch-tegra20/pinmux.h +++ b/arch/arm/include/asm/arch-tegra20/pinmux.h @@ -225,11 +225,11 @@ enum pmux_func { PMUX_FUNC_VI, PMUX_FUNC_VI_SENSOR_CLK, PMUX_FUNC_XIO, + PMUX_FUNC_RSVD1, + PMUX_FUNC_RSVD2, + PMUX_FUNC_RSVD3, + PMUX_FUNC_RSVD4, PMUX_FUNC_COUNT, - PMUX_FUNC_RSVD1 = 0x8000, - PMUX_FUNC_RSVD2 = 0x8001, - PMUX_FUNC_RSVD3 = 0x8002, - PMUX_FUNC_RSVD4 = 0x8003, }; #include diff --git a/arch/arm/include/asm/arch-tegra30/pinmux.h b/arch/arm/include/asm/arch-tegra30/pinmux.h index 3fed194339..6d83061dc1 100644 --- a/arch/arm/include/asm/arch-tegra30/pinmux.h +++ b/arch/arm/include/asm/arch-tegra30/pinmux.h @@ -383,11 +383,11 @@ enum pmux_func { PMUX_FUNC_VI_ALT1, PMUX_FUNC_VI_ALT2, PMUX_FUNC_VI_ALT3, + PMUX_FUNC_RSVD1, + PMUX_FUNC_RSVD2, + PMUX_FUNC_RSVD3, + PMUX_FUNC_RSVD4, PMUX_FUNC_COUNT, - PMUX_FUNC_RSVD1 = 0x8000, - PMUX_FUNC_RSVD2 = 0x8001, - PMUX_FUNC_RSVD3 = 0x8002, - PMUX_FUNC_RSVD4 = 0x8003, }; #define TEGRA_PMX_HAS_PIN_IO_BIT_ETC -- 2.39.5