From ae03661fda98465420016b410a27e6bf2a3c03f4 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Mon, 31 Oct 2011 06:51:35 +0000 Subject: tegra2: Move board_mmc_init into board files For Seaboard, this is mostly a cut/paste of board_mmc_init() and pin_mux_mmc() into seaboard.c; pin_mux_mmc() was modified to add some missing pinmux_tristate_disable calls for the GPIOs. For Harmony, those functions were modified to configure SDMMC2 (index 2) instead of SDMMC3 (index 1), since that's what is present on the board. However, harmony.c is still missing the required GPIO setup, so neither port is likely to function correctly yet. This will be fixed in the next change. v4: Include board.h to prototype tegra2_mmc_init(). Signed-off-by: Stephen Warren Tested-by: Simon Glass Acked-by: Simon Glass Signed-off-by: Tom Warren --- board/nvidia/common/board.c | 52 ------------------------------------- board/nvidia/harmony/harmony.c | 56 ++++++++++++++++++++++++++++++++++++++++ board/nvidia/seaboard/seaboard.c | 53 +++++++++++++++++++++++++++++++++++++ 3 files changed, 109 insertions(+), 52 deletions(-) (limited to 'board') diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 370a25906d..0f12de2097 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -33,10 +33,6 @@ #include #include "board.h" -#ifdef CONFIG_TEGRA2_MMC -#include -#endif - DECLARE_GLOBAL_DATA_PTR; const struct tegra2_sysinfo sysinfo = { @@ -100,33 +96,6 @@ static void pin_mux_uart(void) #endif /* CONFIG_TEGRA2_ENABLE_UARTD */ } -#ifdef CONFIG_TEGRA2_MMC -/* - * Routine: pin_mux_mmc - * Description: setup the pin muxes/tristate values for the SDMMC(s) - */ -static void pin_mux_mmc(void) -{ - /* SDMMC4: config 3, x8 on 2nd set of pins */ - pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); - pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); - pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); - - pinmux_tristate_disable(PINGRP_ATB); - pinmux_tristate_disable(PINGRP_GMA); - pinmux_tristate_disable(PINGRP_GME); - - /* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */ - pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3); - pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3); - pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3); - - pinmux_tristate_disable(PINGRP_SDC); - pinmux_tristate_disable(PINGRP_SDD); - pinmux_tristate_disable(PINGRP_SDB); -} -#endif - /* * Routine: board_init * Description: Early hardware init. @@ -142,27 +111,6 @@ int board_init(void) return 0; } -#ifdef CONFIG_TEGRA2_MMC -/* this is a weak define that we are overriding */ -int board_mmc_init(bd_t *bd) -{ - debug("board_mmc_init called\n"); - /* Enable muxes, etc. for SDMMC controllers */ - pin_mux_mmc(); - gpio_config_mmc(); - - debug("board_mmc_init: init eMMC\n"); - /* init dev 0, eMMC chip, with 4-bit bus */ - tegra2_mmc_init(0, 4); - - debug("board_mmc_init: init SD slot\n"); - /* init dev 1, SD slot, with 4-bit bus */ - tegra2_mmc_init(1, 4); - - return 0; -} -#endif - #ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { diff --git a/board/nvidia/harmony/harmony.c b/board/nvidia/harmony/harmony.c index cbb30d6301..f2c3867251 100644 --- a/board/nvidia/harmony/harmony.c +++ b/board/nvidia/harmony/harmony.c @@ -24,9 +24,11 @@ #include #include #include +#include #ifdef CONFIG_TEGRA2_MMC #include #endif +#include "../common/board.h" /* * Routine: gpio_config_uart @@ -37,6 +39,39 @@ void gpio_config_uart(void) } #ifdef CONFIG_TEGRA2_MMC +/* + * Routine: pin_mux_mmc + * Description: setup the pin muxes/tristate values for the SDMMC(s) + */ +static void pin_mux_mmc(void) +{ + /* SDMMC4: config 3, x8 on 2nd set of pins */ + pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); + + pinmux_tristate_disable(PINGRP_ATB); + pinmux_tristate_disable(PINGRP_GMA); + pinmux_tristate_disable(PINGRP_GME); + + /* For power GPIO PI6 */ + pinmux_tristate_disable(PINGRP_ATA); + /* For CD GPIO PH2 */ + pinmux_tristate_disable(PINGRP_ATD); + + /* SDMMC2: SDIO2_CLK, SDIO2_CMD, SDIO2_DAT[7:0] */ + pinmux_set_func(PINGRP_DTA, PMUX_FUNC_SDIO2); + pinmux_set_func(PINGRP_DTD, PMUX_FUNC_SDIO2); + + pinmux_tristate_disable(PINGRP_DTA); + pinmux_tristate_disable(PINGRP_DTD); + + /* For power GPIO PT3 */ + pinmux_tristate_disable(PINGRP_DTB); + /* For CD GPIO PI5 */ + pinmux_tristate_disable(PINGRP_ATC); +} + /* * Routine: gpio_config_mmc * Description: Set GPIOs for SD card @@ -46,6 +81,27 @@ void gpio_config_mmc(void) /* Not implemented for now */ } +/* this is a weak define that we are overriding */ +int board_mmc_init(bd_t *bd) +{ + debug("board_mmc_init called\n"); + + /* Enable muxes, etc. for SDMMC controllers */ + pin_mux_mmc(); + gpio_config_mmc(); + + debug("board_mmc_init: init SD slot J26\n"); + /* init dev 0, SD slot J26, with 4-bit bus */ + /* The board has an 8-bit bus, but 8-bit doesn't work yet */ + tegra2_mmc_init(0, 4); + + debug("board_mmc_init: init SD slot J5\n"); + /* init dev 2, SD slot J5, with 4-bit bus */ + tegra2_mmc_init(2, 4); + + return 0; +} + /* this is a weak define that we are overriding */ int board_mmc_getcd(u8 *cd, struct mmc *mmc) { diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c index bc67d0f94c..22a0e69f06 100644 --- a/board/nvidia/seaboard/seaboard.c +++ b/board/nvidia/seaboard/seaboard.c @@ -24,10 +24,12 @@ #include #include #include +#include #include #ifdef CONFIG_TEGRA2_MMC #include #endif +#include "../common/board.h" /* * Routine: gpio_config_uart @@ -55,6 +57,36 @@ void gpio_config_uart(void) } #ifdef CONFIG_TEGRA2_MMC +/* + * Routine: pin_mux_mmc + * Description: setup the pin muxes/tristate values for the SDMMC(s) + */ +static void pin_mux_mmc(void) +{ + /* SDMMC4: config 3, x8 on 2nd set of pins */ + pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4); + pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); + + pinmux_tristate_disable(PINGRP_ATB); + pinmux_tristate_disable(PINGRP_GMA); + pinmux_tristate_disable(PINGRP_GME); + + /* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */ + pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3); + pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3); + pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3); + + pinmux_tristate_disable(PINGRP_SDC); + pinmux_tristate_disable(PINGRP_SDD); + pinmux_tristate_disable(PINGRP_SDB); + + /* For power GPIO PI6 */ + pinmux_tristate_disable(PINGRP_ATA); + /* For CD GPIO PI5 */ + pinmux_tristate_disable(PINGRP_ATC); +} + /* * Routine: gpio_config_mmc * Description: Set GPIOs for SDMMC3 SDIO slot. @@ -68,6 +100,27 @@ void gpio_config_mmc(void) gpio_direction_input(GPIO_PI5); } +/* this is a weak define that we are overriding */ +int board_mmc_init(bd_t *bd) +{ + debug("board_mmc_init called\n"); + + /* Enable muxes, etc. for SDMMC controllers */ + pin_mux_mmc(); + gpio_config_mmc(); + + debug("board_mmc_init: init eMMC\n"); + /* init dev 0, eMMC chip, with 4-bit bus */ + /* The board has an 8-bit bus, but 8-bit doesn't work yet */ + tegra2_mmc_init(0, 4); + + debug("board_mmc_init: init SD slot\n"); + /* init dev 1, SD slot, with 4-bit bus */ + tegra2_mmc_init(1, 4); + + return 0; +} + /* this is a weak define that we are overriding */ int board_mmc_getcd(u8 *cd, struct mmc *mmc) { -- cgit v1.2.1 From 9877841f6bba3723f5d21cc58eb99f3417e90725 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Mon, 31 Oct 2011 06:51:36 +0000 Subject: tegra2: Modify MMC driver to handle power and cd GPIOs Pass the GPIO numbers for power and card detect to tegra2_mmc_init(), and modify that function to perform all required GPIO initialization. This removes the need for board files to perform these operations. Move board_mmc_getcd() into tegra2_mmc.c now that the driver knows which GPIOs to use. Update affected call-sites in seaboard.c and harmony.c. Note that this change should make all SD ports work on Harmony, since the required GPIO setup is now being performed. v4: Fix prototype of tegra2_mmc_init() in board.h to match driver change. Remove prototype of gpio_config_mmc() from board.h Signed-off-by: Stephen Warren Cc: Andy Fleming Tested-by: Simon Glass Acked-by: Simon Glass Acked-by: Andy Fleming Signed-off-by: Tom Warren --- board/nvidia/common/board.h | 3 +-- board/nvidia/harmony/harmony.c | 27 +++------------------------ board/nvidia/seaboard/seaboard.c | 33 ++------------------------------- 3 files changed, 6 insertions(+), 57 deletions(-) (limited to 'board') diff --git a/board/nvidia/common/board.h b/board/nvidia/common/board.h index 344e70283e..35acbca82b 100644 --- a/board/nvidia/common/board.h +++ b/board/nvidia/common/board.h @@ -26,7 +26,6 @@ void tegra2_start(void); void gpio_config_uart(void); -void gpio_config_mmc(void); -int tegra2_mmc_init(int dev_index, int bus_width); +int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio); #endif /* BOARD_H */ diff --git a/board/nvidia/harmony/harmony.c b/board/nvidia/harmony/harmony.c index f2c3867251..3cbe820c95 100644 --- a/board/nvidia/harmony/harmony.c +++ b/board/nvidia/harmony/harmony.c @@ -25,6 +25,7 @@ #include #include #include +#include #ifdef CONFIG_TEGRA2_MMC #include #endif @@ -72,15 +73,6 @@ static void pin_mux_mmc(void) pinmux_tristate_disable(PINGRP_ATC); } -/* - * Routine: gpio_config_mmc - * Description: Set GPIOs for SD card - */ -void gpio_config_mmc(void) -{ - /* Not implemented for now */ -} - /* this is a weak define that we are overriding */ int board_mmc_init(bd_t *bd) { @@ -88,29 +80,16 @@ int board_mmc_init(bd_t *bd) /* Enable muxes, etc. for SDMMC controllers */ pin_mux_mmc(); - gpio_config_mmc(); debug("board_mmc_init: init SD slot J26\n"); /* init dev 0, SD slot J26, with 4-bit bus */ /* The board has an 8-bit bus, but 8-bit doesn't work yet */ - tegra2_mmc_init(0, 4); + tegra2_mmc_init(0, 4, GPIO_PI6, GPIO_PH2); debug("board_mmc_init: init SD slot J5\n"); /* init dev 2, SD slot J5, with 4-bit bus */ - tegra2_mmc_init(2, 4); + tegra2_mmc_init(2, 4, GPIO_PT3, GPIO_PI5); return 0; } - -/* this is a weak define that we are overriding */ -int board_mmc_getcd(u8 *cd, struct mmc *mmc) -{ - debug("board_mmc_getcd called\n"); - /* - * Hard-code CD presence for now. Need to add GPIO inputs - * for Harmony - */ - *cd = 1; - return 0; -} #endif diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c index 22a0e69f06..356d616ab1 100644 --- a/board/nvidia/seaboard/seaboard.c +++ b/board/nvidia/seaboard/seaboard.c @@ -87,19 +87,6 @@ static void pin_mux_mmc(void) pinmux_tristate_disable(PINGRP_ATC); } -/* - * Routine: gpio_config_mmc - * Description: Set GPIOs for SDMMC3 SDIO slot. - */ -void gpio_config_mmc(void) -{ - /* Set EN_VDDIO_SD (GPIO I6) */ - gpio_direction_output(GPIO_PI6, 1); - - /* Config pin as GPI for Card Detect (GPIO I5) */ - gpio_direction_input(GPIO_PI5); -} - /* this is a weak define that we are overriding */ int board_mmc_init(bd_t *bd) { @@ -107,31 +94,15 @@ int board_mmc_init(bd_t *bd) /* Enable muxes, etc. for SDMMC controllers */ pin_mux_mmc(); - gpio_config_mmc(); debug("board_mmc_init: init eMMC\n"); /* init dev 0, eMMC chip, with 4-bit bus */ /* The board has an 8-bit bus, but 8-bit doesn't work yet */ - tegra2_mmc_init(0, 4); + tegra2_mmc_init(0, 4, -1, -1); debug("board_mmc_init: init SD slot\n"); /* init dev 1, SD slot, with 4-bit bus */ - tegra2_mmc_init(1, 4); - - return 0; -} - -/* this is a weak define that we are overriding */ -int board_mmc_getcd(u8 *cd, struct mmc *mmc) -{ - debug("board_mmc_getcd called\n"); - *cd = 1; /* Assume card is inserted, or eMMC */ - - if (IS_SD(mmc)) { - /* Seaboard SDMMC3 = SDIO3_CD = GPIO_PI5 */ - if (gpio_get_value(GPIO_PI5)) - *cd = 0; - } + tegra2_mmc_init(1, 4, GPIO_PI6, GPIO_PI5); return 0; } -- cgit v1.2.1 From d5ef19b9b349dc87611357be22e563a99528a422 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Mon, 31 Oct 2011 06:51:37 +0000 Subject: tegra2: Add support for Ventana Ventana is a board which is very similar to Seaboard. Support it by re-using board/nvidia/seaboard/seaboard.c with minor run-time conditionals. v5: Makefile: Use cmd_link_o_target, remove unused clean/distclean targets. v6: Make gpio_config_uart_seaboard() static. v7: Add MAINTAINERS entry for Ventana. Tom Warren doesn't have Ventana, so he asked me to add myself for this board. Signed-off-by: Stephen Warren Acked-by: Simon Glass Signed-off-by: Tom Warren --- board/nvidia/seaboard/seaboard.c | 11 +++++++-- board/nvidia/ventana/Makefile | 49 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+), 2 deletions(-) create mode 100644 board/nvidia/ventana/Makefile (limited to 'board') diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c index 356d616ab1..aa77f12ef5 100644 --- a/board/nvidia/seaboard/seaboard.c +++ b/board/nvidia/seaboard/seaboard.c @@ -32,10 +32,10 @@ #include "../common/board.h" /* - * Routine: gpio_config_uart + * Routine: gpio_config_uart_seaboard * Description: Force GPIO_PI3 low on Seaboard so UART4 works. */ -void gpio_config_uart(void) +static void gpio_config_uart_seaboard(void) { int gp = GPIO_PI3; struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE; @@ -56,6 +56,13 @@ void gpio_config_uart(void) writel(val, &bank->gpio_dir_out[GPIO_PORT(gp)]); } +void gpio_config_uart(void) +{ + if (machine_is_ventana()) + return; + gpio_config_uart_seaboard(); +} + #ifdef CONFIG_TEGRA2_MMC /* * Routine: pin_mux_mmc diff --git a/board/nvidia/ventana/Makefile b/board/nvidia/ventana/Makefile new file mode 100644 index 0000000000..9e5a87ffe8 --- /dev/null +++ b/board/nvidia/ventana/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2010,2011 +# NVIDIA Corporation +# +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +ifneq ($(OBJTREE),$(SRCTREE)) +$(shell mkdir -p $(obj)../common) +endif + +LIB = $(obj)lib$(BOARD).o + +COBJS += ../seaboard/seaboard.o +COBJS += ../common/board.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### -- cgit v1.2.1 From 5fac236a9703827666df452f093d2849625afd4d Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Thu, 6 Oct 2011 12:52:22 +0000 Subject: tegra2: Use new GPIO APIs in gpio_config_uart() ... rather than open-coding the register accesses. However, gpio_request() typically stores the "label" parameter in a global data structure. This causes problems when called from gpio_config_uart(), since the code is running before relocation. To solve this, pass a NULL string to gpio_request(), and modify gpio_request() not to touch the string if it's NULL. Signed-off-by: Stephen Warren Acked-by: Simon Glass Tested-by: Simon Glass Signed-off-by: Tom Warren --- board/nvidia/seaboard/seaboard.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) (limited to 'board') diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c index aa77f12ef5..7f2827b8be 100644 --- a/board/nvidia/seaboard/seaboard.c +++ b/board/nvidia/seaboard/seaboard.c @@ -37,23 +37,9 @@ */ static void gpio_config_uart_seaboard(void) { - int gp = GPIO_PI3; - struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE; - struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)]; - u32 val; - /* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */ - val = readl(&bank->gpio_config[GPIO_PORT(gp)]); - val |= 1 << GPIO_BIT(gp); - writel(val, &bank->gpio_config[GPIO_PORT(gp)]); - - val = readl(&bank->gpio_out[GPIO_PORT(gp)]); - val &= ~(1 << GPIO_BIT(gp)); - writel(val, &bank->gpio_out[GPIO_PORT(gp)]); - - val = readl(&bank->gpio_dir_out[GPIO_PORT(gp)]); - val |= 1 << GPIO_BIT(gp); - writel(val, &bank->gpio_dir_out[GPIO_PORT(gp)]); + gpio_request(GPIO_PI3, NULL); + gpio_direction_output(GPIO_PI3, 0); } void gpio_config_uart(void) -- cgit v1.2.1 From e43d6ed932a4fbeb4c53a66bd2b7fc1f802a810e Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sat, 5 Nov 2011 03:56:49 +0000 Subject: tegra2: Add arch_cpu_init() to fire up Cortex-A9 We want to move away from a special Tegra2 start-up, and just use arch_cpu_init() instead. However, if we run board_init_f() from boot we need to build it for ARMv4T, since the Tegra's AVP start-up CPU does not support ARMv7. The effect of this is to do the AVP init earlier, and in arch_cpu_init(), rather that board_early_init_f(). Signed-off-by: Simon Glass Signed-off-by: Tom Warren --- board/nvidia/common/board.c | 3 --- board/nvidia/common/board.h | 1 - 2 files changed, 4 deletions(-) (limited to 'board') diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 0f12de2097..56850cc8b5 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -125,9 +125,6 @@ int board_early_init_f(void) /* Initialize periph GPIOs */ gpio_config_uart(); - - /* Init UART, scratch regs, and start CPU */ - tegra2_start(); return 0; } #endif /* EARLY_INIT */ diff --git a/board/nvidia/common/board.h b/board/nvidia/common/board.h index 35acbca82b..1f57086602 100644 --- a/board/nvidia/common/board.h +++ b/board/nvidia/common/board.h @@ -24,7 +24,6 @@ #ifndef _BOARD_H_ #define _BOARD_H_ -void tegra2_start(void); void gpio_config_uart(void); int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio); -- cgit v1.2.1 From 831a077f11869dfc33ca2316a4bdeba203e8ce60 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sat, 5 Nov 2011 03:56:52 +0000 Subject: tegra2: Enable instruction cache Since low-level init is skipped, the instruction cache is never enabled on Tegra2. This explicitly calls this initialization as soon as the A9 is initialized. Signed-off-by: Simon Glass Signed-off-by: Tom Warren --- board/nvidia/common/board.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'board') diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 56850cc8b5..c806a6b3cb 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -114,6 +114,9 @@ int board_init(void) #ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { + /* We didn't do this init in start.S, so do it now */ + cpu_init_cp15(); + /* Initialize essential common plls */ clock_early_init(); -- cgit v1.2.1 From 393cb36199d337c8554cc8dfc853f5f405f4742b Mon Sep 17 00:00:00 2001 From: Chander Kashyap Date: Tue, 6 Dec 2011 23:34:12 +0000 Subject: S5PC2XX: Rename S5pc2XX to exynos As per new naming convention for Samsung SoC's, all Cortex-A9 and Cortex-A15 based SoC's will be classified under the name Exynos. Cortex-A9 and Cortex-A15 based SoC's will be sub-classified as Exynos4 and Exynos5 respectively. In order to better adapt and reuse code across various upcoming Samsung Exynos based boards, all uses of s5pc210 prefix/suffix/directory-names are renamed in this patch. s5pc210 is renamed as exynos4210 and S5PC210/s5pc210 suffix/prefix are renamed as exynos4/EXYNOS4. Signed-off-by: Chander Kashyap Signed-off-by: Minkyu Kang --- board/samsung/origen/lowlevel_init.S | 26 +++++++++++++------------- board/samsung/origen/mem_setup.S | 12 ++++++------ board/samsung/origen/origen.c | 8 ++++---- board/samsung/origen/origen_setup.h | 8 ++++---- board/samsung/smdkv310/lowlevel_init.S | 22 +++++++++++----------- board/samsung/smdkv310/mem_setup.S | 8 ++++---- board/samsung/smdkv310/smdkv310.c | 8 ++++---- board/samsung/universal_c210/lowlevel_init.S | 24 ++++++++++++------------ board/samsung/universal_c210/universal.c | 8 ++++---- 9 files changed, 62 insertions(+), 62 deletions(-) (limited to 'board') diff --git a/board/samsung/origen/lowlevel_init.S b/board/samsung/origen/lowlevel_init.S index ddca1e21fc..0eebbfc244 100644 --- a/board/samsung/origen/lowlevel_init.S +++ b/board/samsung/origen/lowlevel_init.S @@ -1,5 +1,5 @@ /* - * Lowlevel setup for ORIGEN board based on S5PV310 + * Lowlevel setup for ORIGEN board based on EXYNOS4210 * * Copyright (C) 2011 Samsung Electronics * @@ -43,11 +43,11 @@ lowlevel_init: /* r5 has always zero */ mov r5, #0 - ldr r7, =S5PC210_GPIO_PART1_BASE - ldr r6, =S5PC210_GPIO_PART2_BASE + ldr r7, =EXYNOS4_GPIO_PART1_BASE + ldr r6, =EXYNOS4_GPIO_PART2_BASE /* check reset status */ - ldr r0, =(S5PC210_POWER_BASE + INFORM1_OFFSET) + ldr r0, =(EXYNOS4_POWER_BASE + INFORM1_OFFSET) ldr r1, [r0] /* AFTR wakeup reset */ @@ -97,9 +97,9 @@ wakeup_reset: exit_wakeup: /* Load return address and jump to kernel */ - ldr r0, =(S5PC210_POWER_BASE + INFORM0_OFFSET) + ldr r0, =(EXYNOS4_POWER_BASE + INFORM0_OFFSET) - /* r1 = physical address of s5pc210_cpu_resume function */ + /* r1 = physical address of exynos4210_cpu_resume function */ ldr r1, [r0] /* Jump to kernel*/ @@ -113,7 +113,7 @@ exit_wakeup: */ system_clock_init: push {lr} - ldr r0, =S5PC210_CLOCK_BASE + ldr r0, =EXYNOS4_CLOCK_BASE /* APLL(1), MPLL(1), CORE(0), HPM(0) */ ldr r1, =CLK_SRC_CPU_VAL @@ -290,13 +290,13 @@ uart_asm_init: /* setup UART0-UART3 GPIOs (part1) */ mov r0, r7 - ldr r1, =S5PC210_GPIO_A0_CON_VAL - str r1, [r0, #S5PC210_GPIO_A0_CON_OFFSET] - ldr r1, =S5PC210_GPIO_A1_CON_VAL - str r1, [r0, #S5PC210_GPIO_A1_CON_OFFSET] + ldr r1, =EXYNOS4_GPIO_A0_CON_VAL + str r1, [r0, #EXYNOS4_GPIO_A0_CON_OFFSET] + ldr r1, =EXYNOS4_GPIO_A1_CON_VAL + str r1, [r0, #EXYNOS4_GPIO_A1_CON_OFFSET] - ldr r0, =S5PC210_UART_BASE - add r0, r0, #S5PC210_DEFAULT_UART_OFFSET + ldr r0, =EXYNOS4_UART_BASE + add r0, r0, #EXYNOS4_DEFAULT_UART_OFFSET ldr r1, =ULCON_VAL str r1, [r0, #ULCON_OFFSET] diff --git a/board/samsung/origen/mem_setup.S b/board/samsung/origen/mem_setup.S index a798848ba1..b49b193a79 100644 --- a/board/samsung/origen/mem_setup.S +++ b/board/samsung/origen/mem_setup.S @@ -1,5 +1,5 @@ /* - * Memory setup for ORIGEN board based on S5PV310 + * Memory setup for ORIGEN board based on EXYNOS4210 * * Copyright (C) 2011 Samsung Electronics * @@ -38,7 +38,7 @@ mem_ctrl_asm_init: str r1, [r0] #ifdef SET_MIU - ldr r0, =S5PC210_MIU_BASE + ldr r0, =EXYNOS4_MIU_BASE /* Interleave: 2Bit, Interleave_bit1: 0x21, Interleave_bit2: 0x7 */ ldr r1, =0x20001507 str r1, [r0, #APB_SFR_INTERLEAVE_CONF_OFFSET] @@ -48,7 +48,7 @@ mem_ctrl_asm_init: str r1, [r0, #APB_SFR_ARBRITATION_CONF_OFFSET] #endif /* DREX0 */ - ldr r0, =S5PC210_DMC0_BASE + ldr r0, =EXYNOS4_DMC0_BASE /* * DLL Parameter Setting: @@ -229,7 +229,7 @@ mem_ctrl_asm_init: bne 8b /* DREX1 */ - ldr r0, =S5PC210_DMC1_BASE @0x10410000 + ldr r0, =EXYNOS4_DMC1_BASE @0x10410000 /* * DLL Parameter Setting: @@ -410,11 +410,11 @@ mem_ctrl_asm_init: bne 8b /* turn on DREX0, DREX1 */ - ldr r0, =S5PC210_DMC0_BASE + ldr r0, =EXYNOS4_DMC0_BASE ldr r1, =0x0FFF303a str r1, [r0, #DMC_CONCONTROL] - ldr r0, =S5PC210_DMC1_BASE + ldr r0, =EXYNOS4_DMC1_BASE ldr r1, =0x0FFF303a str r1, [r0, #DMC_CONCONTROL] diff --git a/board/samsung/origen/origen.c b/board/samsung/origen/origen.c index 8882646eca..638e7b1edb 100644 --- a/board/samsung/origen/origen.c +++ b/board/samsung/origen/origen.c @@ -27,13 +27,13 @@ #include DECLARE_GLOBAL_DATA_PTR; -struct s5pc210_gpio_part1 *gpio1; -struct s5pc210_gpio_part2 *gpio2; +struct exynos4_gpio_part1 *gpio1; +struct exynos4_gpio_part2 *gpio2; int board_init(void) { - gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE; - gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE; + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); return 0; diff --git a/board/samsung/origen/origen_setup.h b/board/samsung/origen/origen_setup.h index 63d85d8a8c..d949ad27b8 100644 --- a/board/samsung/origen/origen_setup.h +++ b/board/samsung/origen/origen_setup.h @@ -98,8 +98,8 @@ #define INFORM1_OFFSET 0x804 /* GPIO Offsets for UART: GPIO Contol Register */ -#define S5PC210_GPIO_A0_CON_OFFSET 0x00 -#define S5PC210_GPIO_A1_CON_OFFSET 0x20 +#define EXYNOS4_GPIO_A0_CON_OFFSET 0x00 +#define EXYNOS4_GPIO_A1_CON_OFFSET 0x20 /* UART Register offsets */ #define ULCON_OFFSET 0x00 @@ -416,8 +416,8 @@ * UART GPIO_A0/GPIO_A1 Control Register Value * 0x2: UART Function */ -#define S5PC210_GPIO_A0_CON_VAL 0x22222222 -#define S5PC210_GPIO_A1_CON_VAL 0x222222 +#define EXYNOS4_GPIO_A0_CON_VAL 0x22222222 +#define EXYNOS4_GPIO_A1_CON_VAL 0x222222 /* ULCON: UART Line Control Value 8N1 */ #define WORD_LEN_5_BIT 0x00 diff --git a/board/samsung/smdkv310/lowlevel_init.S b/board/samsung/smdkv310/lowlevel_init.S index 58b737bd12..7a1ea98aed 100644 --- a/board/samsung/smdkv310/lowlevel_init.S +++ b/board/samsung/smdkv310/lowlevel_init.S @@ -1,5 +1,5 @@ /* - * Lowlevel setup for SMDKV310 board based on S5PC210 + * Lowlevel setup for SMDKV310 board based on EXYNOS4210 * * Copyright (C) 2011 Samsung Electronics * @@ -45,11 +45,11 @@ lowlevel_init: /* r5 has always zero */ mov r5, #0 - ldr r7, =S5PC210_GPIO_PART1_BASE - ldr r6, =S5PC210_GPIO_PART2_BASE + ldr r7, =EXYNOS4_GPIO_PART1_BASE + ldr r6, =EXYNOS4_GPIO_PART2_BASE /* check reset status */ - ldr r0, =(S5PC210_POWER_BASE + 0x81C) @ INFORM7 + ldr r0, =(EXYNOS4_POWER_BASE + 0x81C) @ INFORM7 ldr r1, [r0] /* AFTR wakeup reset */ @@ -95,9 +95,9 @@ wakeup_reset: exit_wakeup: /* Load return address and jump to kernel */ - ldr r0, =(S5PC210_POWER_BASE + 0x800) @ INFORM0 + ldr r0, =(EXYNOS4_POWER_BASE + 0x800) @ INFORM0 - /* r1 = physical address of s5pc210_cpu_resume function */ + /* r1 = physical address of exynos4210_cpu_resume function */ ldr r1, [r0] /* Jump to kernel*/ @@ -111,7 +111,7 @@ exit_wakeup: */ system_clock_init: push {lr} - ldr r0, =S5PC210_CLOCK_BASE + ldr r0, =EXYNOS4_CLOCK_BASE /* APLL(1), MPLL(1), CORE(0), HPM(0) */ ldr r1, =0x0101 @@ -388,12 +388,12 @@ uart_asm_init: /* setup UART0-UART3 GPIOs (part1) */ mov r0, r7 ldr r1, =0x22222222 - str r1, [r0, #0x00] @ S5PC210_GPIO_A0_OFFSET + str r1, [r0, #0x00] @ EXYNOS4_GPIO_A0_OFFSET ldr r1, =0x00222222 - str r1, [r0, #0x20] @ S5PC210_GPIO_A1_OFFSET + str r1, [r0, #0x20] @ EXYNOS4_GPIO_A1_OFFSET - ldr r0, =S5PC210_UART_BASE - add r0, r0, #S5PC210_DEFAULT_UART_OFFSET + ldr r0, =EXYNOS4_UART_BASE + add r0, r0, #EXYNOS4_DEFAULT_UART_OFFSET ldr r1, =0x3C5 str r1, [r0, #0x4] diff --git a/board/samsung/smdkv310/mem_setup.S b/board/samsung/smdkv310/mem_setup.S index 73aebe3c60..d3b6265971 100644 --- a/board/samsung/smdkv310/mem_setup.S +++ b/board/samsung/smdkv310/mem_setup.S @@ -1,5 +1,5 @@ /* - * Memory setup for SMDKV310 board based on S5PC210 + * Memory setup for SMDKV310 board based on EXYNOS4210 * * Copyright (C) 2011 Samsung Electronics * @@ -54,7 +54,7 @@ mem_ctrl_asm_init: str r1, [r0] #ifdef SET_MIU - ldr r0, =S5PC210_MIU_BASE @0x10600000 + ldr r0, =EXYNOS4_MIU_BASE @0x10600000 #ifdef CONFIG_MIU_1BIT_INTERLEAVED ldr r1, =0x0000000c str r1, [r0, #0x400] @MIU_INTLV_CONFIG @@ -89,7 +89,7 @@ mem_ctrl_asm_init: #endif #endif /* DREX0 */ - ldr r0, =S5PC210_DMC0_BASE @0x10400000 + ldr r0, =EXYNOS4_DMC0_BASE @0x10400000 ldr r1, =0xe0000086 str r1, [r0, #0x1C] @DMC_PHYCONTROL1 @@ -221,7 +221,7 @@ mem_ctrl_asm_init: bne 8b /* DREX1 */ - ldr r0, =S5PC210_DMC1_BASE @0x10410000 + ldr r0, =EXYNOS4_DMC1_BASE @0x10410000 ldr r1, =0xe0000086 str r1, [r0, #0x1C] @DMC_PHYCONTROL1 diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c index d9caca7f18..81ac8f6f4a 100644 --- a/board/samsung/smdkv310/smdkv310.c +++ b/board/samsung/smdkv310/smdkv310.c @@ -29,8 +29,8 @@ #include DECLARE_GLOBAL_DATA_PTR; -struct s5pc210_gpio_part1 *gpio1; -struct s5pc210_gpio_part2 *gpio2; +struct exynos4_gpio_part1 *gpio1; +struct exynos4_gpio_part2 *gpio2; static void smc9115_pre_init(void) { @@ -52,8 +52,8 @@ static void smc9115_pre_init(void) int board_init(void) { - gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE; - gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE; + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; smc9115_pre_init(); diff --git a/board/samsung/universal_c210/lowlevel_init.S b/board/samsung/universal_c210/lowlevel_init.S index 67635bbfb2..dc7f69ea44 100644 --- a/board/samsung/universal_c210/lowlevel_init.S +++ b/board/samsung/universal_c210/lowlevel_init.S @@ -1,5 +1,5 @@ /* - * Lowlevel setup for universal board based on S5PC210 + * Lowlevel setup for universal board based on EXYNOS4210 * * Copyright (C) 2010 Samsung Electronics * Kyungmin Park @@ -43,11 +43,11 @@ lowlevel_init: /* r5 has always zero */ mov r5, #0 - ldr r7, =S5PC210_GPIO_PART1_BASE - ldr r6, =S5PC210_GPIO_PART2_BASE + ldr r7, =EXYNOS4_GPIO_PART1_BASE + ldr r6, =EXYNOS4_GPIO_PART2_BASE /* System Timer */ - ldr r0, =S5PC210_SYSTIMER_BASE + ldr r0, =EXYNOS4_SYSTIMER_BASE ldr r1, =0x5000 str r1, [r0, #0x0] ldr r1, =0xffffffff @@ -57,7 +57,7 @@ lowlevel_init: /* PMIC manual reset */ /* nPOWER: XEINT_23: GPX2[7] */ - add r0, r6, #0xC40 @ S5PC210_GPIO_X2_OFFSET + add r0, r6, #0xC40 @ EXYNOS4_GPIO_X2_OFFSET ldr r1, [r0, #0x0] bic r1, r1, #(0xf << 28) @ 28 = 7 * 4-bit orr r1, r1, #(0x1 << 28) @ Output @@ -71,7 +71,7 @@ lowlevel_init: bl system_clock_init /* Disable Watchdog */ - ldr r0, =S5PC210_WATCHDOG_BASE @0x10060000 + ldr r0, =EXYNOS4_WATCHDOG_BASE @0x10060000 str r5, [r0] /* UART */ @@ -99,12 +99,12 @@ uart_asm_init: */ mov r0, r7 ldr r1, =0x22222222 - str r1, [r0, #0x00] @ S5PC210_GPIO_A0_OFFSET + str r1, [r0, #0x00] @ EXYNOS4_GPIO_A0_OFFSET ldr r1, =0x00223322 - str r1, [r0, #0x20] @ S5PC210_GPIO_A1_OFFSET + str r1, [r0, #0x20] @ EXYNOS4_GPIO_A1_OFFSET - /* UART_SEL GPY4[7] (part2) at S5PC210 */ - add r0, r6, #0x1A0 @ S5PC210_GPIO_Y4_OFFSET + /* UART_SEL GPY4[7] (part2) at EXYNOS4 */ + add r0, r6, #0x1A0 @ EXYNOS4_GPIO_Y4_OFFSET ldr r1, [r0, #0x0] bic r1, r1, #(0xf << 28) @ 28 = 7 * 4-bit orr r1, r1, #(0x1 << 28) @@ -125,7 +125,7 @@ uart_asm_init: nop system_clock_init: - ldr r0, =S5PC210_CLOCK_BASE + ldr r0, =EXYNOS4_CLOCK_BASE /* APLL(1), MPLL(1), CORE(0), HPM(0) */ ldr r1, =0x0101 @@ -326,7 +326,7 @@ system_clock_init: nop system_power_init: - ldr r0, =S5PC210_POWER_BASE @ 0x10020000 + ldr r0, =EXYNOS4_POWER_BASE @ 0x10020000 ldr r2, =0x330C @ PS_HOLD_CONTROL ldr r1, [r0, r2] diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index d767eaac49..f9b8a76429 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -31,8 +31,8 @@ DECLARE_GLOBAL_DATA_PTR; -struct s5pc210_gpio_part1 *gpio1; -struct s5pc210_gpio_part2 *gpio2; +struct exynos4_gpio_part1 *gpio1; +struct exynos4_gpio_part2 *gpio2; unsigned int board_rev; u32 get_board_rev(void) @@ -49,8 +49,8 @@ static void check_hw_revision(void); int board_init(void) { - gpio1 = (struct s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE; - gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE; + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; -- cgit v1.2.1 From 76d7f574498706cfe5e7f4a309bd9b35418a44f4 Mon Sep 17 00:00:00 2001 From: Jason Liu Date: Fri, 25 Nov 2011 00:18:05 +0000 Subject: i.mx: i.mx6q: add the initial support for i.mx6q ARM2 board Add the initial support for Freescale i.MX6Q Armadillo2 board Support: MMC boot from slot 0/1, debug UART(UART4), usdhc. There is two MMC slots on the boards: mmc dev 0 -> connect USDHC3 -> the lower slot on the board, mmc dev 1 -> connect USDHC4 -> the upper slot on the board, Signed-off-by: Jason Liu Cc: Stefano Babic Tested-by: Dirk Behme --- board/freescale/mx6qarm2/Makefile | 42 +++++++++ board/freescale/mx6qarm2/imximage.cfg | 167 ++++++++++++++++++++++++++++++++++ board/freescale/mx6qarm2/mx6qarm2.c | 155 +++++++++++++++++++++++++++++++ 3 files changed, 364 insertions(+) create mode 100644 board/freescale/mx6qarm2/Makefile create mode 100644 board/freescale/mx6qarm2/imximage.cfg create mode 100644 board/freescale/mx6qarm2/mx6qarm2.c (limited to 'board') diff --git a/board/freescale/mx6qarm2/Makefile b/board/freescale/mx6qarm2/Makefile new file mode 100644 index 0000000000..79bc315dd3 --- /dev/null +++ b/board/freescale/mx6qarm2/Makefile @@ -0,0 +1,42 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski +# +# (C) Copyright 2011 Freescale Semiconductor, Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := mx6qarm2.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mx6qarm2/imximage.cfg b/board/freescale/mx6qarm2/imximage.cfg new file mode 100644 index 0000000000..ffac1b424e --- /dev/null +++ b/board/freescale/mx6qarm2/imximage.cfg @@ -0,0 +1,167 @@ +# Copyright (C) 2011 Freescale Semiconductor, Inc. +# Jason Liu +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not write to the Free Software +# Foundation Inc. 51 Franklin Street Fifth Floor Boston, +# MA 02110-1301 USA +# +# Refer docs/README.imxmage for more details about how-to configure +# and create imximage boot image +# +# The syntax is taken as close as possible with the kwbimage + +# image version + +IMAGE_VERSION 2 + +# Boot Device : one of +# spi, sd (the board has no nand neither onenand) + +BOOT_FROM sd + +# Device Configuration Data (DCD) +# +# Each entry must have the format: +# Addr-type Address Value +# +# where: +# Addr-type register length (1,2 or 4 bytes) +# Address absolute address of the register +# value value to be stored in the register +DATA 4 0x020e05a8 0x00000030 +DATA 4 0x020e05b0 0x00000030 +DATA 4 0x020e0524 0x00000030 +DATA 4 0x020e051c 0x00000030 + +DATA 4 0x020e0518 0x00000030 +DATA 4 0x020e050c 0x00000030 +DATA 4 0x020e05b8 0x00000030 +DATA 4 0x020e05c0 0x00000030 + +DATA 4 0x020e05ac 0x00020030 +DATA 4 0x020e05b4 0x00020030 +DATA 4 0x020e0528 0x00020030 +DATA 4 0x020e0520 0x00020030 + +DATA 4 0x020e0514 0x00020030 +DATA 4 0x020e0510 0x00020030 +DATA 4 0x020e05bc 0x00020030 +DATA 4 0x020e05c4 0x00020030 + +DATA 4 0x020e056c 0x00020030 +DATA 4 0x020e0578 0x00020030 +DATA 4 0x020e0588 0x00020030 +DATA 4 0x020e0594 0x00020030 + +DATA 4 0x020e057c 0x00020030 +DATA 4 0x020e0590 0x00003000 +DATA 4 0x020e0598 0x00003000 +DATA 4 0x020e058c 0x00000000 + +DATA 4 0x020e059c 0x00003030 +DATA 4 0x020e05a0 0x00003030 +DATA 4 0x020e0784 0x00000030 +DATA 4 0x020e0788 0x00000030 + +DATA 4 0x020e0794 0x00000030 +DATA 4 0x020e079c 0x00000030 +DATA 4 0x020e07a0 0x00000030 +DATA 4 0x020e07a4 0x00000030 + +DATA 4 0x020e07a8 0x00000030 +DATA 4 0x020e0748 0x00000030 +DATA 4 0x020e074c 0x00000030 +DATA 4 0x020e0750 0x00020000 + +DATA 4 0x020e0758 0x00000000 +DATA 4 0x020e0774 0x00020000 +DATA 4 0x020e078c 0x00000030 +DATA 4 0x020e0798 0x000C0000 + +DATA 4 0x021b081c 0x33333333 +DATA 4 0x021b0820 0x33333333 +DATA 4 0x021b0824 0x33333333 +DATA 4 0x021b0828 0x33333333 + +DATA 4 0x021b481c 0x33333333 +DATA 4 0x021b4820 0x33333333 +DATA 4 0x021b4824 0x33333333 +DATA 4 0x021b4828 0x33333333 + +DATA 4 0x021b0018 0x00081740 + +DATA 4 0x021b001c 0x00008000 +DATA 4 0x021b000c 0x555A7975 +DATA 4 0x021b0010 0xFF538E64 +DATA 4 0x021b0014 0x01FF00DB +DATA 4 0x021b002c 0x000026D2 + +DATA 4 0x021b0030 0x005B0E21 +DATA 4 0x021b0008 0x09444040 +DATA 4 0x021b0004 0x00025576 +DATA 4 0x021b0040 0x00000027 +DATA 4 0x021b0000 0xC31A0000 + +DATA 4 0x021b001c 0x04088032 +DATA 4 0x021b001c 0x0408803A +DATA 4 0x021b001c 0x00008033 +DATA 4 0x021b001c 0x0000803B +DATA 4 0x021b001c 0x00428031 +DATA 4 0x021b001c 0x00428039 +DATA 4 0x021b001c 0x09408030 +DATA 4 0x021b001c 0x09408038 + +DATA 4 0x021b001c 0x04008040 +DATA 4 0x021b001c 0x04008048 +DATA 4 0x021b0800 0xA1380003 +DATA 4 0x021b4800 0xA1380003 +DATA 4 0x021b0020 0x00005800 +DATA 4 0x021b0818 0x00022227 +DATA 4 0x021b4818 0x00022227 + +DATA 4 0x021b083c 0x434B0350 +DATA 4 0x021b0840 0x034C0359 +DATA 4 0x021b483c 0x434B0350 +DATA 4 0x021b4840 0x03650348 +DATA 4 0x021b0848 0x4436383B +DATA 4 0x021b4848 0x39393341 +DATA 4 0x021b0850 0x35373933 +DATA 4 0x021b4850 0x48254A36 + +DATA 4 0x021b080c 0x001F001F +DATA 4 0x021b0810 0x001F001F + +DATA 4 0x021b480c 0x00440044 +DATA 4 0x021b4810 0x00440044 + +DATA 4 0x021b08b8 0x00000800 +DATA 4 0x021b48b8 0x00000800 + +DATA 4 0x021b001c 0x00000000 +DATA 4 0x021b0404 0x00011006 + +DATA 4 0x020e0010 0xF00000FF +DATA 4 0x020e0018 0x00070007 +DATA 4 0x020e001c 0x00070007 + +DATA 4 0x020c4068 0x00C03F3F +DATA 4 0x020c406c 0x0030FC00 +DATA 4 0x020c4070 0x0FFFC000 +DATA 4 0x020c4074 0x3FF00000 +DATA 4 0x020c4078 0x00FFF300 +DATA 4 0x020c407c 0x0F0000C3 +DATA 4 0x020c4080 0x000003FC diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c new file mode 100644 index 0000000000..89e0e768e5 --- /dev/null +++ b/board/freescale/mx6qarm2/mx6qarm2.c @@ -0,0 +1,155 @@ +/* + * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + + return 0; +} + +iomux_v3_cfg_t uart4_pads[] = { + MX6Q_PAD_KEY_COL0__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6Q_PAD_KEY_ROW0__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t usdhc3_pads[] = { + MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT4__USDHC3_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT5__USDHC3_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT6__USDHC3_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD3_DAT7__USDHC3_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_CS0__GPIO_6_11 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + +iomux_v3_cfg_t usdhc4_pads[] = { + MX6Q_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg usdhc_cfg[2] = { + {USDHC3_BASE_ADDR, 1}, + {USDHC4_BASE_ADDR, 1}, +}; + +int board_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + if (cfg->esdhc_base == USDHC3_BASE_ADDR) { + gpio_direction_input(171); /*GPIO6_11*/ + *cd = gpio_get_value(171); + } else /* Don't have the CD GPIO pin on board */ + *cd = 0; + + return 0; +} + +int board_mmc_init(bd_t *bis) +{ + s32 status = 0; + u32 index = 0; + + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { + switch (index) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) then supported by the board (%d)\n", + index + 1, CONFIG_SYS_FSL_USDHC_NUM); + return status; + } + + status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + } + + return status; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int checkboard(void) +{ + puts("Board: MX6Q-Armadillo2\n"); + + return 0; +} -- cgit v1.2.1 From 74cf05fc53fc620c9d08eb14ad959c2a065f90c7 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 2 Dec 2011 03:47:39 +0000 Subject: M28: Fix typo Signed-off-by: Marek Vasut Cc: Wolfgang Denk Cc: Detlev Zundel Cc: Stefano Babic --- board/denx/m28evk/m28evk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'board') diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c index 8cf3dc9d4e..fcee046e1d 100644 --- a/board/denx/m28evk/m28evk.c +++ b/board/denx/m28evk/m28evk.c @@ -104,7 +104,7 @@ static int m28_mmc_wp(int id) int board_mmc_init(bd_t *bis) { - /* Configure WP as output */ + /* Configure WP as input. */ gpio_direction_input(MX28_PAD_AUART2_CTS__GPIO_3_10); return mxsmmc_initialize(bis, 0, m28_mmc_wp); -- cgit v1.2.1 From c944a3ef8224a2d5936b31ebd72a6ebd842409d1 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 2 Dec 2011 03:47:40 +0000 Subject: i.MX28: Move SPL to arch/arm/cpu/arm926ejs/mx28 This moves SPL to common location so it can be reused by multiple boards. Also, this commit adjusts M28 SoM to avoid breakage due to the move. Signed-off-by: Marek Vasut Cc: Wolfgang Denk Cc: Detlev Zundel Cc: Stefano Babic --- board/denx/m28evk/Makefile | 11 +- board/denx/m28evk/m28_init.h | 41 -- board/denx/m28evk/mem_init.c | 240 ---------- board/denx/m28evk/mmc_boot.c | 273 ------------ board/denx/m28evk/power_init.c | 913 --------------------------------------- board/denx/m28evk/spl_boot.c | 220 ++++++++++ board/denx/m28evk/start.S | 234 ---------- board/denx/m28evk/u-boot-spl.lds | 87 ---- 8 files changed, 222 insertions(+), 1797 deletions(-) delete mode 100644 board/denx/m28evk/m28_init.h delete mode 100644 board/denx/m28evk/mem_init.c delete mode 100644 board/denx/m28evk/mmc_boot.c delete mode 100644 board/denx/m28evk/power_init.c create mode 100644 board/denx/m28evk/spl_boot.c delete mode 100644 board/denx/m28evk/start.S delete mode 100644 board/denx/m28evk/u-boot-spl.lds (limited to 'board') diff --git a/board/denx/m28evk/Makefile b/board/denx/m28evk/Makefile index b6f002fe36..aa16c7d156 100644 --- a/board/denx/m28evk/Makefile +++ b/board/denx/m28evk/Makefile @@ -27,10 +27,8 @@ LIB = $(obj)lib$(BOARD).o ifndef CONFIG_SPL_BUILD COBJS := m28evk.o -endif - -ifdef CONFIG_SPL_BUILD -COBJS := mem_init.o mmc_boot.o power_init.o memsize.o +else +COBJS := spl_boot.o endif SRCS := $(COBJS:.o=.c) @@ -41,11 +39,6 @@ $(LIB): $(obj).depend $(OBJS) all: $(ALL) -ifdef CONFIG_SPL_BUILD -memsize.c: - ln -sf $(TOPDIR)/common/memsize.c $@ -endif - ######################################################################### # defines $(obj).depend target diff --git a/board/denx/m28evk/m28_init.h b/board/denx/m28evk/m28_init.h deleted file mode 100644 index 98d363199d..0000000000 --- a/board/denx/m28evk/m28_init.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Freescale i.MX28 SPL functions - * - * Copyright (C) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __M28_INIT_H__ -#define __M28_INIT_H__ - -void early_delay(int delay); - -void mx28_power_init(void); - -#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT -void mx28_power_wait_pswitch(void); -#else -static inline void mx28_power_wait_pswitch(void) { } -#endif - -void mx28_mem_init(void); - -#endif /* __M28_INIT_H__ */ diff --git a/board/denx/m28evk/mem_init.c b/board/denx/m28evk/mem_init.c deleted file mode 100644 index 17d1f9b6a1..0000000000 --- a/board/denx/m28evk/mem_init.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * Freescale i.MX28 RAM init - * - * Copyright (C) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include - -#include "m28_init.h" - -uint32_t dram_vals[] = { - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000100, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00010101, 0x01010101, 0x000f0f01, 0x0f02020a, - 0x00000000, 0x00010101, 0x00000100, 0x00000100, 0x00000000, - 0x00000002, 0x01010000, 0x05060302, 0x06005003, 0x0a0000c8, - 0x02009c40, 0x0000030c, 0x0036a609, 0x031a0612, 0x02030202, - 0x00c8001c, 0x00000000, 0x00000000, 0x00012100, 0xffff0303, - 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00012100, - 0xffff0303, 0x00000003, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000612, 0x01000F02, 0x06120612, 0x00000200, - 0x00020007, 0xf5014b27, 0xf5014b27, 0xf5014b27, 0xf5014b27, - 0x07000300, 0x07000300, 0x07000300, 0x07000300, 0x00000006, - 0x00000000, 0x00000000, 0x01000000, 0x01020408, 0x08040201, - 0x000f1133, 0x00000000, 0x00001f04, 0x00001f04, 0x00001f04, - 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00010000, 0x00020304, 0x00000004, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x01010000, 0x01000000, 0x03030000, 0x00010303, - 0x01020202, 0x00000000, 0x02040303, 0x21002103, 0x00061200, - 0x06120612, 0x04320432, 0x04320432, 0x00040004, 0x00040004, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00010001 -}; - -void init_m28_200mhz_ddr2(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(dram_vals); i++) - writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); -} - -void mx28_mem_init_clock(void) -{ - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - - /* Gate EMI clock */ - writel(CLKCTRL_FRAC0_CLKGATEEMI, - &clkctrl_regs->hw_clkctrl_frac0_set); - - /* EMI = 205MHz */ - writel(CLKCTRL_FRAC0_EMIFRAC_MASK, - &clkctrl_regs->hw_clkctrl_frac0_set); - writel((0x2a << CLKCTRL_FRAC0_EMIFRAC_OFFSET) & - CLKCTRL_FRAC0_EMIFRAC_MASK, - &clkctrl_regs->hw_clkctrl_frac0_clr); - - /* Ungate EMI clock */ - writel(CLKCTRL_FRAC0_CLKGATEEMI, - &clkctrl_regs->hw_clkctrl_frac0_clr); - - early_delay(11000); - - writel((2 << CLKCTRL_EMI_DIV_EMI_OFFSET) | - (1 << CLKCTRL_EMI_DIV_XTAL_OFFSET), - &clkctrl_regs->hw_clkctrl_emi); - - /* Unbypass EMI */ - writel(CLKCTRL_CLKSEQ_BYPASS_EMI, - &clkctrl_regs->hw_clkctrl_clkseq_clr); - - early_delay(10000); -} - -void mx28_mem_setup_cpu_and_hbus(void) -{ - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - - /* CPU = 454MHz and ungate CPU clock */ - clrsetbits_le32(&clkctrl_regs->hw_clkctrl_frac0, - CLKCTRL_FRAC0_CPUFRAC_MASK | CLKCTRL_FRAC0_CLKGATECPU, - 19 << CLKCTRL_FRAC0_CPUFRAC_OFFSET); - - /* Set CPU bypass */ - writel(CLKCTRL_CLKSEQ_BYPASS_CPU, - &clkctrl_regs->hw_clkctrl_clkseq_set); - - /* HBUS = 151MHz */ - writel(CLKCTRL_HBUS_DIV_MASK, &clkctrl_regs->hw_clkctrl_hbus_set); - writel(((~3) << CLKCTRL_HBUS_DIV_OFFSET) & CLKCTRL_HBUS_DIV_MASK, - &clkctrl_regs->hw_clkctrl_hbus_clr); - - early_delay(10000); - - /* CPU clock divider = 1 */ - clrsetbits_le32(&clkctrl_regs->hw_clkctrl_cpu, - CLKCTRL_CPU_DIV_CPU_MASK, 1); - - /* Disable CPU bypass */ - writel(CLKCTRL_CLKSEQ_BYPASS_CPU, - &clkctrl_regs->hw_clkctrl_clkseq_clr); -} - -void mx28_mem_setup_vdda(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - writel((0xc << POWER_VDDACTRL_TRG_OFFSET) | - (0x7 << POWER_VDDACTRL_BO_OFFSET_OFFSET) | - POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW, - &power_regs->hw_power_vddactrl); -} - -void mx28_mem_setup_vddd(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - writel((0x1c << POWER_VDDDCTRL_TRG_OFFSET) | - (0x7 << POWER_VDDDCTRL_BO_OFFSET_OFFSET) | - POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW, - &power_regs->hw_power_vdddctrl); -} - -#define HW_DIGCTRL_SCRATCH0 0x8001c280 -#define HW_DIGCTRL_SCRATCH1 0x8001c290 -void data_abort_memdetect_handler(void) __attribute__((naked)); -void data_abort_memdetect_handler(void) -{ - asm volatile("subs pc, r14, #4"); -} - -void mx28_mem_get_size(void) -{ - uint32_t sz, da; - uint32_t *vt = (uint32_t *)0x20; - - /* Replace the DABT handler. */ - da = vt[4]; - vt[4] = (uint32_t)&data_abort_memdetect_handler; - - sz = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); - writel(sz, HW_DIGCTRL_SCRATCH0); - writel(sz, HW_DIGCTRL_SCRATCH1); - - /* Restore the old DABT handler. */ - vt[4] = da; -} - -void mx28_mem_init(void) -{ - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - struct mx28_pinctrl_regs *pinctrl_regs = - (struct mx28_pinctrl_regs *)MXS_PINCTRL_BASE; - - /* Set DDR2 mode */ - writel(PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2, - &pinctrl_regs->hw_pinctrl_emi_ds_ctrl_set); - - /* Power up PLL0 */ - writel(CLKCTRL_PLL0CTRL0_POWER, - &clkctrl_regs->hw_clkctrl_pll0ctrl0_set); - - early_delay(11000); - - mx28_mem_init_clock(); - - mx28_mem_setup_vdda(); - - /* - * Configure the DRAM registers - */ - - /* Clear START bit from DRAM_CTL16 */ - clrbits_le32(MXS_DRAM_BASE + 0x40, 1); - - init_m28_200mhz_ddr2(); - - /* Clear SREFRESH bit from DRAM_CTL17 */ - clrbits_le32(MXS_DRAM_BASE + 0x44, 1); - - /* Set START bit in DRAM_CTL16 */ - setbits_le32(MXS_DRAM_BASE + 0x40, 1); - - /* Wait for bit 20 (DRAM init complete) in DRAM_CTL58 */ - while (!(readl(MXS_DRAM_BASE + 0xe8) & (1 << 20))) - ; - - mx28_mem_setup_vddd(); - - early_delay(10000); - - mx28_mem_setup_cpu_and_hbus(); - - mx28_mem_get_size(); -} diff --git a/board/denx/m28evk/mmc_boot.c b/board/denx/m28evk/mmc_boot.c deleted file mode 100644 index 86d3ab5e1c..0000000000 --- a/board/denx/m28evk/mmc_boot.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * Freescale i.MX28 Boot setup - * - * Copyright (C) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include - -#include "m28_init.h" - -/* - * This delay function is intended to be used only in early stage of boot, where - * clock are not set up yet. The timer used here is reset on every boot and - * takes a few seconds to roll. The boot doesn't take that long, so to keep the - * code simple, it doesn't take rolling into consideration. - */ -#define HW_DIGCTRL_MICROSECONDS 0x8001c0c0 -void early_delay(int delay) -{ - uint32_t st = readl(HW_DIGCTRL_MICROSECONDS); - st += delay; - while (st > readl(HW_DIGCTRL_MICROSECONDS)) - ; -} - -#define MUX_CONFIG_LED (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) -#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA) -#define MUX_CONFIG_TSC (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) -#define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP) -#define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) -#define MUX_CONFIG_GPMI (MXS_PAD_1V8 | MXS_PAD_4MA | MXS_PAD_NOPULL) -#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) -#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) - -const iomux_cfg_t iomux_setup[] = { - /* LED */ - MX28_PAD_ENET0_RXD3__GPIO_4_10 | MUX_CONFIG_LED, - - /* framebuffer */ - MX28_PAD_LCD_D00__LCD_D0 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D01__LCD_D1 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D02__LCD_D2 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D03__LCD_D3 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D04__LCD_D4 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D05__LCD_D5 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D06__LCD_D6 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D07__LCD_D7 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D08__LCD_D8 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D09__LCD_D9 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D18__LCD_D18 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D19__LCD_D19 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D20__LCD_D20 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D21__LCD_D21 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D22__LCD_D22 | MUX_CONFIG_LCD, - MX28_PAD_LCD_D23__LCD_D23 | MUX_CONFIG_LCD, - MX28_PAD_LCD_RD_E__LCD_VSYNC | MUX_CONFIG_LCD, - MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MUX_CONFIG_LCD, - MX28_PAD_LCD_RS__LCD_DOTCLK | MUX_CONFIG_LCD, - MX28_PAD_LCD_CS__LCD_CS | MUX_CONFIG_LCD, - MX28_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD, - MX28_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD, - MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | MUX_CONFIG_LCD, - MX28_PAD_LCD_ENABLE__GPIO_1_31 | MUX_CONFIG_LCD, - MX28_PAD_LCD_RESET__GPIO_3_30 | MUX_CONFIG_LCD, - - /* UART1 */ - MX28_PAD_PWM0__DUART_RX, - MX28_PAD_PWM1__DUART_TX, - MX28_PAD_AUART0_TX__DUART_RTS, - MX28_PAD_AUART0_RX__DUART_CTS, - - /* UART2 */ - MX28_PAD_AUART1_RX__AUART1_RX, - MX28_PAD_AUART1_TX__AUART1_TX, - MX28_PAD_AUART1_RTS__AUART1_RTS, - MX28_PAD_AUART1_CTS__AUART1_CTS, - - /* CAN */ - MX28_PAD_GPMI_RDY2__CAN0_TX, - MX28_PAD_GPMI_RDY3__CAN0_RX, - - /* I2C */ - MX28_PAD_I2C0_SCL__I2C0_SCL, - MX28_PAD_I2C0_SDA__I2C0_SDA, - - /* TSC2007 */ - MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MUX_CONFIG_TSC, - - /* MMC0 */ - MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA4__SSP0_D4 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA5__SSP0_D5 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA6__SSP0_D6 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DATA7__SSP0_D7 | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, - MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | - (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL), - MX28_PAD_SSP0_SCK__SSP0_SCK | - (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL), - MX28_PAD_PWM3__GPIO_3_28 | MUX_CONFIG_SSP0, /* Power .. FIXME */ - MX28_PAD_AUART2_CTS__GPIO_3_10, /* WP ... FIXME */ - - /* GPMI NAND */ - MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_RDN__GPMI_RDN | - (MXS_PAD_1V8 | MXS_PAD_8MA | MXS_PAD_PULLUP), - MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI, - MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI, - - /* FEC Ethernet */ - MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, - MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, - MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, - MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, - MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, - MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, - - MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET, - MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET, - MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET, - MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET, - - /* I2C */ - MX28_PAD_I2C0_SCL__I2C0_SCL, - MX28_PAD_I2C0_SDA__I2C0_SDA, - - /* EMI */ - MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, - MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, - MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, - MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, - MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, - - MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, - MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, - MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, - MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, - MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, - MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, - MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, - MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, - MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, - MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, - MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, - - /* SPI2 (for flash) */ - MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2, - MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2, - MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2, - MX28_PAD_SSP2_SS0__SSP2_D3 | - (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), -}; - -void board_init_ll(void) -{ - mxs_iomux_setup_multiple_pads(iomux_setup, ARRAY_SIZE(iomux_setup)); - mx28_power_init(); - mx28_mem_init(); - mx28_power_wait_pswitch(); -} - -/* Support aparatus */ -inline void board_init_f(unsigned long bootflag) -{ - for (;;) - ; -} - -inline void board_init_r(gd_t *id, ulong dest_addr) -{ - for (;;) - ; -} - -inline int printf(const char *fmt, ...) -{ - return 0; -} - -inline void __coloured_LED_init(void) {} -inline void __red_LED_on(void) {} -void coloured_LED_init(void) - __attribute__((weak, alias("__coloured_LED_init"))); -void red_LED_on(void) - __attribute__((weak, alias("__red_LED_on"))); -void hang(void) __attribute__ ((noreturn)); -void hang(void) -{ - for (;;) - ; -} diff --git a/board/denx/m28evk/power_init.c b/board/denx/m28evk/power_init.c deleted file mode 100644 index 27322b4ec1..0000000000 --- a/board/denx/m28evk/power_init.c +++ /dev/null @@ -1,913 +0,0 @@ -/* - * Freescale i.MX28 Boot PMIC init - * - * Copyright (C) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include - -#include "m28_init.h" - -void mx28_power_clock2xtal(void) -{ - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - - /* Set XTAL as CPU reference clock */ - writel(CLKCTRL_CLKSEQ_BYPASS_CPU, - &clkctrl_regs->hw_clkctrl_clkseq_set); -} - -void mx28_power_clock2pll(void) -{ - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - - writel(CLKCTRL_PLL0CTRL0_POWER, - &clkctrl_regs->hw_clkctrl_pll0ctrl0_set); - early_delay(100); - writel(CLKCTRL_CLKSEQ_BYPASS_CPU, - &clkctrl_regs->hw_clkctrl_clkseq_clr); -} - -void mx28_power_clear_auto_restart(void) -{ - struct mx28_rtc_regs *rtc_regs = - (struct mx28_rtc_regs *)MXS_RTC_BASE; - - writel(RTC_CTRL_SFTRST, &rtc_regs->hw_rtc_ctrl_clr); - while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_SFTRST) - ; - - writel(RTC_CTRL_CLKGATE, &rtc_regs->hw_rtc_ctrl_clr); - while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_CLKGATE) - ; - - /* - * Due to the hardware design bug of mx28 EVK-A - * we need to set the AUTO_RESTART bit. - */ - if (readl(&rtc_regs->hw_rtc_persistent0) & RTC_PERSISTENT0_AUTO_RESTART) - return; - - while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_NEW_REGS_MASK) - ; - - setbits_le32(&rtc_regs->hw_rtc_persistent0, - RTC_PERSISTENT0_AUTO_RESTART); - writel(RTC_CTRL_FORCE_UPDATE, &rtc_regs->hw_rtc_ctrl_set); - writel(RTC_CTRL_FORCE_UPDATE, &rtc_regs->hw_rtc_ctrl_clr); - while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_NEW_REGS_MASK) - ; - while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_STALE_REGS_MASK) - ; -} - -void mx28_power_set_linreg(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* Set linear regulator 25mV below switching converter */ - clrsetbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_LINREG_OFFSET_MASK, - POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW); - - clrsetbits_le32(&power_regs->hw_power_vddactrl, - POWER_VDDACTRL_LINREG_OFFSET_MASK, - POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW); - - clrsetbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_LINREG_OFFSET_MASK, - POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW); -} - -void mx28_power_setup_5v_detect(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* Start 5V detection */ - clrsetbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_VBUSVALID_TRSH_MASK, - POWER_5VCTRL_VBUSVALID_TRSH_4V4 | - POWER_5VCTRL_PWRUP_VBUS_CMPS); -} - -void mx28_src_power_init(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* Improve efficieny and reduce transient ripple */ - writel(POWER_LOOPCTRL_TOGGLE_DIF | POWER_LOOPCTRL_EN_CM_HYST | - POWER_LOOPCTRL_EN_DF_HYST, &power_regs->hw_power_loopctrl_set); - - clrsetbits_le32(&power_regs->hw_power_dclimits, - POWER_DCLIMITS_POSLIMIT_BUCK_MASK, - 0x30 << POWER_DCLIMITS_POSLIMIT_BUCK_OFFSET); - - setbits_le32(&power_regs->hw_power_battmonitor, - POWER_BATTMONITOR_EN_BATADJ); - - /* Increase the RCSCALE level for quick DCDC response to dynamic load */ - clrsetbits_le32(&power_regs->hw_power_loopctrl, - POWER_LOOPCTRL_EN_RCSCALE_MASK, - POWER_LOOPCTRL_RCSCALE_THRESH | - POWER_LOOPCTRL_EN_RCSCALE_8X); - - clrsetbits_le32(&power_regs->hw_power_minpwr, - POWER_MINPWR_HALFFETS, POWER_MINPWR_DOUBLE_FETS); - - /* 5V to battery handoff ... FIXME */ - setbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); - early_delay(30); - clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); -} - -void mx28_power_init_4p2_params(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* Setup 4P2 parameters */ - clrsetbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_CMPTRIP_MASK | POWER_DCDC4P2_TRG_MASK, - POWER_DCDC4P2_TRG_4V2 | (31 << POWER_DCDC4P2_CMPTRIP_OFFSET)); - - clrsetbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_HEADROOM_ADJ_MASK, - 0x4 << POWER_5VCTRL_HEADROOM_ADJ_OFFSET); - - clrsetbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_DROPOUT_CTRL_MASK, - POWER_DCDC4P2_DROPOUT_CTRL_100MV | - POWER_DCDC4P2_DROPOUT_CTRL_SRC_SEL); - - clrsetbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, - 0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); -} - -void mx28_enable_4p2_dcdc_input(int xfer) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t tmp, vbus_thresh, vbus_5vdetect, pwd_bo; - uint32_t prev_5v_brnout, prev_5v_droop; - - prev_5v_brnout = readl(&power_regs->hw_power_5vctrl) & - POWER_5VCTRL_PWDN_5VBRNOUT; - prev_5v_droop = readl(&power_regs->hw_power_ctrl) & - POWER_CTRL_ENIRQ_VDD5V_DROOP; - - clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT); - writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, - &power_regs->hw_power_reset); - - clrbits_le32(&power_regs->hw_power_ctrl, POWER_CTRL_ENIRQ_VDD5V_DROOP); - - if (xfer && (readl(&power_regs->hw_power_5vctrl) & - POWER_5VCTRL_ENABLE_DCDC)) { - return; - } - - /* - * Recording orignal values that will be modified temporarlily - * to handle a chip bug. See chip errata for CQ ENGR00115837 - */ - tmp = readl(&power_regs->hw_power_5vctrl); - vbus_thresh = tmp & POWER_5VCTRL_VBUSVALID_TRSH_MASK; - vbus_5vdetect = tmp & POWER_5VCTRL_VBUSVALID_5VDETECT; - - pwd_bo = readl(&power_regs->hw_power_minpwr) & POWER_MINPWR_PWD_BO; - - /* - * Disable mechanisms that get erroneously tripped by when setting - * the DCDC4P2 EN_DCDC - */ - clrbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_VBUSVALID_5VDETECT | - POWER_5VCTRL_VBUSVALID_TRSH_MASK); - - writel(POWER_MINPWR_PWD_BO, &power_regs->hw_power_minpwr_set); - - if (xfer) { - setbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_DCDC_XFER); - early_delay(20); - clrbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_DCDC_XFER); - - setbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_ENABLE_DCDC); - } else { - setbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_ENABLE_DCDC); - } - - early_delay(25); - - clrsetbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_VBUSVALID_TRSH_MASK, vbus_thresh); - - if (vbus_5vdetect) - writel(vbus_5vdetect, &power_regs->hw_power_5vctrl_set); - - if (!pwd_bo) - clrbits_le32(&power_regs->hw_power_minpwr, POWER_MINPWR_PWD_BO); - - while (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) - clrbits_le32(&power_regs->hw_power_ctrl, - POWER_CTRL_VBUS_VALID_IRQ); - - if (prev_5v_brnout) { - writel(POWER_5VCTRL_PWDN_5VBRNOUT, - &power_regs->hw_power_5vctrl_set); - writel(POWER_RESET_UNLOCK_KEY, - &power_regs->hw_power_reset); - } else { - writel(POWER_5VCTRL_PWDN_5VBRNOUT, - &power_regs->hw_power_5vctrl_clr); - writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, - &power_regs->hw_power_reset); - } - - while (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VDD5V_DROOP_IRQ) - clrbits_le32(&power_regs->hw_power_ctrl, - POWER_CTRL_VDD5V_DROOP_IRQ); - - if (prev_5v_droop) - clrbits_le32(&power_regs->hw_power_ctrl, - POWER_CTRL_ENIRQ_VDD5V_DROOP); - else - setbits_le32(&power_regs->hw_power_ctrl, - POWER_CTRL_ENIRQ_VDD5V_DROOP); -} - -void mx28_power_init_4p2_regulator(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t tmp, tmp2; - - setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2); - - writel(POWER_CHARGE_ENABLE_LOAD, &power_regs->hw_power_charge_set); - - writel(POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, - &power_regs->hw_power_5vctrl_clr); - clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_TRG_MASK); - - /* Power up the 4p2 rail and logic/control */ - writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, - &power_regs->hw_power_5vctrl_clr); - - /* - * Start charging up the 4p2 capacitor. We ramp of this charge - * gradually to avoid large inrush current from the 5V cable which can - * cause transients/problems - */ - mx28_enable_4p2_dcdc_input(0); - - if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { - /* - * If we arrived here, we were unable to recover from mx23 chip - * errata 5837. 4P2 is disabled and sufficient battery power is - * not present. Exiting to not enable DCDC power during 5V - * connected state. - */ - clrbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_ENABLE_DCDC); - writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, - &power_regs->hw_power_5vctrl_set); - hang(); - } - - /* - * Here we set the 4p2 brownout level to something very close to 4.2V. - * We then check the brownout status. If the brownout status is false, - * the voltage is already close to the target voltage of 4.2V so we - * can go ahead and set the 4P2 current limit to our max target limit. - * If the brownout status is true, we need to ramp us the current limit - * so that we don't cause large inrush current issues. We step up the - * current limit until the brownout status is false or until we've - * reached our maximum defined 4p2 current limit. - */ - clrsetbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_BO_MASK, - 22 << POWER_DCDC4P2_BO_OFFSET); /* 4.15V */ - - if (!(readl(&power_regs->hw_power_sts) & POWER_STS_DCDC_4P2_BO)) { - setbits_le32(&power_regs->hw_power_5vctrl, - 0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); - } else { - tmp = (readl(&power_regs->hw_power_5vctrl) & - POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK) >> - POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET; - while (tmp < 0x3f) { - if (!(readl(&power_regs->hw_power_sts) & - POWER_STS_DCDC_4P2_BO)) { - tmp = readl(&power_regs->hw_power_5vctrl); - tmp |= POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK; - early_delay(100); - writel(tmp, &power_regs->hw_power_5vctrl); - break; - } else { - tmp++; - tmp2 = readl(&power_regs->hw_power_5vctrl); - tmp2 &= ~POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK; - tmp2 |= tmp << - POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET; - writel(tmp2, &power_regs->hw_power_5vctrl); - early_delay(100); - } - } - } - - clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_BO_MASK); - writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); -} - -void mx28_power_init_dcdc_4p2_source(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - if (!(readl(&power_regs->hw_power_dcdc4p2) & - POWER_DCDC4P2_ENABLE_DCDC)) { - hang(); - } - - mx28_enable_4p2_dcdc_input(1); - - if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { - clrbits_le32(&power_regs->hw_power_dcdc4p2, - POWER_DCDC4P2_ENABLE_DCDC); - writel(POWER_5VCTRL_ENABLE_DCDC, - &power_regs->hw_power_5vctrl_clr); - writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, - &power_regs->hw_power_5vctrl_set); - } -} - -void mx28_power_enable_4p2(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t vdddctrl, vddactrl, vddioctrl; - uint32_t tmp; - - vdddctrl = readl(&power_regs->hw_power_vdddctrl); - vddactrl = readl(&power_regs->hw_power_vddactrl); - vddioctrl = readl(&power_regs->hw_power_vddioctrl); - - setbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG | - POWER_VDDDCTRL_PWDN_BRNOUT); - - setbits_le32(&power_regs->hw_power_vddactrl, - POWER_VDDACTRL_DISABLE_FET | POWER_VDDACTRL_ENABLE_LINREG | - POWER_VDDACTRL_PWDN_BRNOUT); - - setbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_DISABLE_FET | POWER_VDDIOCTRL_PWDN_BRNOUT); - - mx28_power_init_4p2_params(); - mx28_power_init_4p2_regulator(); - - /* Shutdown battery (none present) */ - clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_BO_MASK); - writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); - writel(POWER_CTRL_ENIRQ_DCDC4P2_BO, &power_regs->hw_power_ctrl_clr); - - mx28_power_init_dcdc_4p2_source(); - - writel(vdddctrl, &power_regs->hw_power_vdddctrl); - early_delay(20); - writel(vddactrl, &power_regs->hw_power_vddactrl); - early_delay(20); - writel(vddioctrl, &power_regs->hw_power_vddioctrl); - - /* - * Check if FET is enabled on either powerout and if so, - * disable load. - */ - tmp = 0; - tmp |= !(readl(&power_regs->hw_power_vdddctrl) & - POWER_VDDDCTRL_DISABLE_FET); - tmp |= !(readl(&power_regs->hw_power_vddactrl) & - POWER_VDDACTRL_DISABLE_FET); - tmp |= !(readl(&power_regs->hw_power_vddioctrl) & - POWER_VDDIOCTRL_DISABLE_FET); - if (tmp) - writel(POWER_CHARGE_ENABLE_LOAD, - &power_regs->hw_power_charge_clr); -} - -void mx28_boot_valid_5v(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* - * Use VBUSVALID level instead of VDD5V_GT_VDDIO level to trigger a 5V - * disconnect event. FIXME - */ - writel(POWER_5VCTRL_VBUSVALID_5VDETECT, - &power_regs->hw_power_5vctrl_set); - - /* Configure polarity to check for 5V disconnection. */ - writel(POWER_CTRL_POLARITY_VBUSVALID | - POWER_CTRL_POLARITY_VDD5V_GT_VDDIO, - &power_regs->hw_power_ctrl_clr); - - writel(POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_VDD5V_GT_VDDIO_IRQ, - &power_regs->hw_power_ctrl_clr); - - mx28_power_enable_4p2(); -} - -void mx28_powerdown(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - writel(POWER_RESET_UNLOCK_KEY, &power_regs->hw_power_reset); - writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, - &power_regs->hw_power_reset); -} - -void mx28_handle_5v_conflict(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t tmp; - - setbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_BO_OFFSET_MASK); - - for (;;) { - tmp = readl(&power_regs->hw_power_sts); - - if (tmp & POWER_STS_VDDIO_BO) { - mx28_powerdown(); - break; - } - - if (tmp & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); - break; - } else { - mx28_powerdown(); - break; - } - } -} - -int mx28_get_batt_volt(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t volt = readl(&power_regs->hw_power_battmonitor); - volt &= POWER_BATTMONITOR_BATT_VAL_MASK; - volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET; - volt *= 8; - return volt; -} - -int mx28_is_batt_ready(void) -{ - return (mx28_get_batt_volt() >= 3600); -} - -void mx28_5v_boot(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* - * NOTE: In original IMX-Bootlets, this also checks for VBUSVALID, - * but their implementation always returns 1 so we omit it here. - */ - if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); - return; - } - - early_delay(1000); - if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); - return; - } - - mx28_handle_5v_conflict(); -} - -void mx28_init_batt_bo(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - /* Brownout at 3V */ - clrsetbits_le32(&power_regs->hw_power_battmonitor, - POWER_BATTMONITOR_BRWNOUT_LVL_MASK, - 15 << POWER_BATTMONITOR_BRWNOUT_LVL_OFFSET); - - writel(POWER_CTRL_BATT_BO_IRQ, &power_regs->hw_power_ctrl_clr); - writel(POWER_CTRL_ENIRQ_BATT_BO, &power_regs->hw_power_ctrl_clr); -} - -void mx28_switch_vddd_to_dcdc_source(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - clrsetbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_LINREG_OFFSET_MASK, - POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW); - - clrbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG | - POWER_VDDDCTRL_DISABLE_STEPPING); -} - -int mx28_is_batt_good(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t volt; - - volt = readl(&power_regs->hw_power_battmonitor); - volt &= POWER_BATTMONITOR_BATT_VAL_MASK; - volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET; - volt *= 8; - - if ((volt >= 2400) && (volt <= 4300)) - return 1; - - clrsetbits_le32(&power_regs->hw_power_5vctrl, - POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, - 0x3 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); - writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, - &power_regs->hw_power_5vctrl_clr); - - clrsetbits_le32(&power_regs->hw_power_charge, - POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK, - POWER_CHARGE_STOP_ILIMIT_10MA | 0x3); - - writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_clr); - writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK, - &power_regs->hw_power_5vctrl_clr); - - early_delay(500000); - - volt = readl(&power_regs->hw_power_battmonitor); - volt &= POWER_BATTMONITOR_BATT_VAL_MASK; - volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET; - volt *= 8; - - if (volt >= 3500) - return 0; - - if (volt >= 2400) - return 1; - - writel(POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK, - &power_regs->hw_power_charge_clr); - writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_set); - - return 0; -} - -void mx28_power_configure_power_source(void) -{ - mx28_src_power_init(); - - mx28_5v_boot(); - mx28_power_clock2pll(); - - mx28_init_batt_bo(); - mx28_switch_vddd_to_dcdc_source(); -} - -void mx28_enable_output_rail_protection(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | - POWER_CTRL_VDDIO_BO_IRQ, &power_regs->hw_power_ctrl_clr); - - setbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_PWDN_BRNOUT); - - setbits_le32(&power_regs->hw_power_vddactrl, - POWER_VDDACTRL_PWDN_BRNOUT); - - setbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_PWDN_BRNOUT); -} - -int mx28_get_vddio_power_source_off(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t tmp; - - if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - tmp = readl(&power_regs->hw_power_vddioctrl); - if (tmp & POWER_VDDIOCTRL_DISABLE_FET) { - if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { - return 1; - } - } - - if (!(readl(&power_regs->hw_power_5vctrl) & - POWER_5VCTRL_ENABLE_DCDC)) { - if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { - return 1; - } - } - } - - return 0; - -} - -int mx28_get_vddd_power_source_off(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t tmp; - - tmp = readl(&power_regs->hw_power_vdddctrl); - if (tmp & POWER_VDDDCTRL_DISABLE_FET) { - if ((tmp & POWER_VDDDCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { - return 1; - } - } - - if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - if (!(readl(&power_regs->hw_power_5vctrl) & - POWER_5VCTRL_ENABLE_DCDC)) { - return 1; - } - } - - if (!(tmp & POWER_VDDDCTRL_ENABLE_LINREG)) { - if ((tmp & POWER_VDDDCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW) { - return 1; - } - } - - return 0; -} - -void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t cur_target, diff, bo_int = 0; - uint32_t powered_by_linreg = 0; - - new_brownout = new_target - new_brownout; - - cur_target = readl(&power_regs->hw_power_vddioctrl); - cur_target &= POWER_VDDIOCTRL_TRG_MASK; - cur_target *= 50; /* 50 mV step*/ - cur_target += 2800; /* 2800 mV lowest */ - - powered_by_linreg = mx28_get_vddio_power_source_off(); - if (new_target > cur_target) { - - if (powered_by_linreg) { - bo_int = readl(&power_regs->hw_power_vddioctrl); - clrbits_le32(&power_regs->hw_power_vddioctrl, - POWER_CTRL_ENIRQ_VDDIO_BO); - } - - setbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_BO_OFFSET_MASK); - do { - if (new_target - cur_target > 100) - diff = cur_target + 100; - else - diff = new_target; - - diff -= 2800; - diff /= 50; - - clrsetbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_TRG_MASK, diff); - - if (powered_by_linreg) - early_delay(1500); - else { - while (!(readl(&power_regs->hw_power_sts) & - POWER_STS_DC_OK)) - ; - - } - - cur_target = readl(&power_regs->hw_power_vddioctrl); - cur_target &= POWER_VDDIOCTRL_TRG_MASK; - cur_target *= 50; /* 50 mV step*/ - cur_target += 2800; /* 2800 mV lowest */ - } while (new_target > cur_target); - - if (powered_by_linreg) { - writel(POWER_CTRL_VDDIO_BO_IRQ, - &power_regs->hw_power_ctrl_clr); - if (bo_int & POWER_CTRL_ENIRQ_VDDIO_BO) - setbits_le32(&power_regs->hw_power_vddioctrl, - POWER_CTRL_ENIRQ_VDDIO_BO); - } - } else { - do { - if (cur_target - new_target > 100) - diff = cur_target - 100; - else - diff = new_target; - - diff -= 2800; - diff /= 50; - - clrsetbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDIOCTRL_TRG_MASK, diff); - - if (powered_by_linreg) - early_delay(1500); - else { - while (!(readl(&power_regs->hw_power_sts) & - POWER_STS_DC_OK)) - ; - - } - - cur_target = readl(&power_regs->hw_power_vddioctrl); - cur_target &= POWER_VDDIOCTRL_TRG_MASK; - cur_target *= 50; /* 50 mV step*/ - cur_target += 2800; /* 2800 mV lowest */ - } while (new_target < cur_target); - } - - clrsetbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDDCTRL_BO_OFFSET_MASK, - new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET); -} - -void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t cur_target, diff, bo_int = 0; - uint32_t powered_by_linreg = 0; - - new_brownout = new_target - new_brownout; - - cur_target = readl(&power_regs->hw_power_vdddctrl); - cur_target &= POWER_VDDDCTRL_TRG_MASK; - cur_target *= 25; /* 25 mV step*/ - cur_target += 800; /* 800 mV lowest */ - - powered_by_linreg = mx28_get_vddd_power_source_off(); - if (new_target > cur_target) { - if (powered_by_linreg) { - bo_int = readl(&power_regs->hw_power_vdddctrl); - clrbits_le32(&power_regs->hw_power_vdddctrl, - POWER_CTRL_ENIRQ_VDDD_BO); - } - - setbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_BO_OFFSET_MASK); - - do { - if (new_target - cur_target > 100) - diff = cur_target + 100; - else - diff = new_target; - - diff -= 800; - diff /= 25; - - clrsetbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_TRG_MASK, diff); - - if (powered_by_linreg) - early_delay(1500); - else { - while (!(readl(&power_regs->hw_power_sts) & - POWER_STS_DC_OK)) - ; - - } - - cur_target = readl(&power_regs->hw_power_vdddctrl); - cur_target &= POWER_VDDDCTRL_TRG_MASK; - cur_target *= 25; /* 25 mV step*/ - cur_target += 800; /* 800 mV lowest */ - } while (new_target > cur_target); - - if (powered_by_linreg) { - writel(POWER_CTRL_VDDD_BO_IRQ, - &power_regs->hw_power_ctrl_clr); - if (bo_int & POWER_CTRL_ENIRQ_VDDD_BO) - setbits_le32(&power_regs->hw_power_vdddctrl, - POWER_CTRL_ENIRQ_VDDD_BO); - } - } else { - do { - if (cur_target - new_target > 100) - diff = cur_target - 100; - else - diff = new_target; - - diff -= 800; - diff /= 25; - - clrsetbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_TRG_MASK, diff); - - if (powered_by_linreg) - early_delay(1500); - else { - while (!(readl(&power_regs->hw_power_sts) & - POWER_STS_DC_OK)) - ; - - } - - cur_target = readl(&power_regs->hw_power_vdddctrl); - cur_target &= POWER_VDDDCTRL_TRG_MASK; - cur_target *= 25; /* 25 mV step*/ - cur_target += 800; /* 800 mV lowest */ - } while (new_target < cur_target); - } - - clrsetbits_le32(&power_regs->hw_power_vdddctrl, - POWER_VDDDCTRL_BO_OFFSET_MASK, - new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET); -} - -void mx28_power_init(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - mx28_power_clock2xtal(); - mx28_power_clear_auto_restart(); - mx28_power_set_linreg(); - mx28_power_setup_5v_detect(); - mx28_power_configure_power_source(); - mx28_enable_output_rail_protection(); - - mx28_power_set_vddio(3300, 3150); - - mx28_power_set_vddd(1350, 1200); - - writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | - POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ | - POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_BATT_BO_IRQ | - POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); - - writel(POWER_5VCTRL_PWDN_5VBRNOUT, &power_regs->hw_power_5vctrl_set); - - early_delay(1000); -} - -#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT -void mx28_power_wait_pswitch(void) -{ - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - - while (!(readl(&power_regs->hw_power_sts) & POWER_STS_PSWITCH_MASK)) - ; -} -#endif diff --git a/board/denx/m28evk/spl_boot.c b/board/denx/m28evk/spl_boot.c new file mode 100644 index 0000000000..86d7d876da --- /dev/null +++ b/board/denx/m28evk/spl_boot.c @@ -0,0 +1,220 @@ +/* + * DENX M28 Boot setup + * + * Copyright (C) 2011 Marek Vasut + * on behalf of DENX Software Engineering GmbH + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#define MUX_CONFIG_LED (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) +#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA) +#define MUX_CONFIG_TSC (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_GPMI (MXS_PAD_1V8 | MXS_PAD_4MA | MXS_PAD_NOPULL) +#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) + +const iomux_cfg_t iomux_setup[] = { + /* LED */ + MX28_PAD_ENET0_RXD3__GPIO_4_10 | MUX_CONFIG_LED, + + /* framebuffer */ + MX28_PAD_LCD_D00__LCD_D0 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D01__LCD_D1 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D02__LCD_D2 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D03__LCD_D3 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D04__LCD_D4 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D05__LCD_D5 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D06__LCD_D6 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D07__LCD_D7 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D08__LCD_D8 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D09__LCD_D9 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D18__LCD_D18 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D19__LCD_D19 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D20__LCD_D20 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D21__LCD_D21 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D22__LCD_D22 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D23__LCD_D23 | MUX_CONFIG_LCD, + MX28_PAD_LCD_RD_E__LCD_VSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_RS__LCD_DOTCLK | MUX_CONFIG_LCD, + MX28_PAD_LCD_CS__LCD_CS | MUX_CONFIG_LCD, + MX28_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | MUX_CONFIG_LCD, + MX28_PAD_LCD_ENABLE__GPIO_1_31 | MUX_CONFIG_LCD, + MX28_PAD_LCD_RESET__GPIO_3_30 | MUX_CONFIG_LCD, + + /* UART1 */ + MX28_PAD_PWM0__DUART_RX, + MX28_PAD_PWM1__DUART_TX, + MX28_PAD_AUART0_TX__DUART_RTS, + MX28_PAD_AUART0_RX__DUART_CTS, + + /* UART2 */ + MX28_PAD_AUART1_RX__AUART1_RX, + MX28_PAD_AUART1_TX__AUART1_TX, + MX28_PAD_AUART1_RTS__AUART1_RTS, + MX28_PAD_AUART1_CTS__AUART1_CTS, + + /* CAN */ + MX28_PAD_GPMI_RDY2__CAN0_TX, + MX28_PAD_GPMI_RDY3__CAN0_RX, + + /* TSC2007 */ + MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MUX_CONFIG_TSC, + + /* MMC0 */ + MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA4__SSP0_D4 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA5__SSP0_D5 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA6__SSP0_D6 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DATA7__SSP0_D7 | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, + MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | + (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL), + MX28_PAD_SSP0_SCK__SSP0_SCK | + (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL), + MX28_PAD_PWM3__GPIO_3_28 | MUX_CONFIG_SSP0, /* Power .. FIXME */ + MX28_PAD_AUART2_CTS__GPIO_3_10, /* WP ... FIXME */ + + /* GPMI NAND */ + MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RDN__GPMI_RDN | + (MXS_PAD_1V8 | MXS_PAD_8MA | MXS_PAD_PULLUP), + MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI, + + /* FEC Ethernet */ + MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, + MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, + + MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET, + + /* I2C */ + MX28_PAD_I2C0_SCL__I2C0_SCL, + MX28_PAD_I2C0_SDA__I2C0_SDA, + + /* EMI */ + MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, + MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, + + MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, + + /* SPI2 (for flash) */ + MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_SS0__SSP2_D3 | + (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), +}; + +void board_init_ll(void) +{ + mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup)); +} diff --git a/board/denx/m28evk/start.S b/board/denx/m28evk/start.S deleted file mode 100644 index 94696d6cdc..0000000000 --- a/board/denx/m28evk/start.S +++ /dev/null @@ -1,234 +0,0 @@ -/* - * armboot - Startup Code for ARM926EJS CPU-core - * - * Copyright (c) 2003 Texas Instruments - * - * ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------ - * - * Copyright (c) 2001 Marius Groger - * Copyright (c) 2002 Alex Zupke - * Copyright (c) 2002 Gary Jennejohn - * Copyright (c) 2003 Richard Woodruff - * Copyright (c) 2003 Kshitij - * Copyright (c) 2010 Albert Aribaud - * - * Change to support call back into iMX28 bootrom - * Copyright (c) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include - -#if defined(CONFIG_OMAP1610) -#include <./configs/omap1510.h> -#elif defined(CONFIG_OMAP730) -#include <./configs/omap730.h> -#endif - -/* - ************************************************************************* - * - * Jump vector table as in table 3.1 in [1] - * - ************************************************************************* - */ - - -.globl _start -_start: - b reset - b undefined_instruction - b software_interrupt - b prefetch_abort - b data_abort - b not_used - b irq - b fiq - -/* - * Vector table, located at address 0x20. - * This table allows the code running AFTER SPL, the U-Boot, to install it's - * interrupt handlers here. The problem is that the U-Boot is loaded into RAM, - * including it's interrupt vectoring table and the table at 0x0 is still the - * SPLs. So if interrupt happens in U-Boot, the SPLs interrupt vectoring table - * is still used. - */ -_vt_reset: - .word _reset -_vt_undefined_instruction: - .word _hang -_vt_software_interrupt: - .word _hang -_vt_prefetch_abort: - .word _hang -_vt_data_abort: - .word _hang -_vt_not_used: - .word _reset -_vt_irq: - .word _hang -_vt_fiq: - .word _hang - -reset: - ldr pc, _vt_reset -undefined_instruction: - ldr pc, _vt_undefined_instruction -software_interrupt: - ldr pc, _vt_software_interrupt -prefetch_abort: - ldr pc, _vt_prefetch_abort -data_abort: - ldr pc, _vt_data_abort -not_used: - ldr pc, _vt_not_used -irq: - ldr pc, _vt_irq -fiq: - ldr pc, _vt_fiq - - .balignl 16,0xdeadbeef - -/* - ************************************************************************* - * - * Startup Code (reset vector) - * - * do important init only if we don't start from memory! - * setup Memory and board specific bits prior to relocation. - * relocate armboot to ram - * setup stack - * - ************************************************************************* - */ - -.globl _TEXT_BASE -_TEXT_BASE: - .word CONFIG_SYS_TEXT_BASE - -/* - * These are defined in the board-specific linker script. - * Subtracting _start from them lets the linker put their - * relative position in the executable instead of leaving - * them null. - */ -.globl _bss_start_ofs -_bss_start_ofs: - .word __bss_start - _start - -.globl _bss_end_ofs -_bss_end_ofs: - .word __bss_end__ - _start - -.globl _end_ofs -_end_ofs: - .word _end - _start - -#ifdef CONFIG_USE_IRQ -/* IRQ stack memory (calculated at run-time) */ -.globl IRQ_STACK_START -IRQ_STACK_START: - .word 0x0badc0de - -/* IRQ stack memory (calculated at run-time) */ -.globl FIQ_STACK_START -FIQ_STACK_START: - .word 0x0badc0de -#endif - -/* IRQ stack memory (calculated at run-time) + 8 bytes */ -.globl IRQ_STACK_START_IN -IRQ_STACK_START_IN: - .word 0x0badc0de - -/* - * the actual reset code - */ - -_reset: - /* - * Store all registers on old stack pointer, this will allow us later to - * return to the BootROM and let the BootROM load U-Boot into RAM. - */ - push {r0-r12,r14} - - /* - * set the cpu to SVC32 mode - */ - mrs r0,cpsr - bic r0,r0,#0x1f - orr r0,r0,#0xd3 - msr cpsr,r0 - - /* - * we do sys-critical inits only at reboot, - * not when booting from ram! - */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - bl cpu_init_crit -#endif - - bl board_init_ll - - pop {r0-r12,r14} - bx lr - -/* - ************************************************************************* - * - * CPU_init_critical registers - * - * setup important registers - * setup memory timing - * - ************************************************************************* - */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -cpu_init_crit: - /* - * flush v4 I/D caches - */ - mov r0, #0 - mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */ - mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ - - /* - * disable MMU stuff and caches - */ - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */ - bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */ - orr r0, r0, #0x00000002 /* set bit 2 (A) Align */ - orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */ - mcr p15, 0, r0, c1, c0, 0 - - mov pc, lr /* back to my caller */ - - .align 5 -#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ - -_hang: - ldr sp, _TEXT_BASE /* switch to abort stack */ -1: - bl 1b /* hang and never return */ diff --git a/board/denx/m28evk/u-boot-spl.lds b/board/denx/m28evk/u-boot-spl.lds deleted file mode 100644 index e296a92ed8..0000000000 --- a/board/denx/m28evk/u-boot-spl.lds +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 2011 Marek Vasut - * on behalf of DENX Software Engineering GmbH - * - * January 2004 - Changed to support H4 device - * Copyright (c) 2004-2008 Texas Instruments - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - board/denx/m28evk/start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = ALIGN(4); - .data : { - *(.data) - } - - . = ALIGN(4); - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - - .rel.dyn : { - __rel_dyn_start = .; - *(.rel*) - __rel_dyn_end = .; - } - - .dynsym : { - __dynsym_start = .; - *(.dynsym) - } - - _end = .; - - .bss __rel_dyn_start (OVERLAY) : { - __bss_start = .; - *(.bss) - . = ALIGN(4); - __bss_end__ = .; - } - - /DISCARD/ : { *(.bss*) } - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynsym*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.hash*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } -} -- cgit v1.2.1