diff options
Diffstat (limited to 'plat/rockchip/common')
| -rw-r--r-- | plat/rockchip/common/bl31_plat_setup.c | 3 | ||||
| -rw-r--r-- | plat/rockchip/common/include/plat_params.h | 91 | ||||
| -rw-r--r-- | plat/rockchip/common/include/plat_private.h | 6 | ||||
| -rw-r--r-- | plat/rockchip/common/params_setup.c | 91 | ||||
| -rw-r--r-- | plat/rockchip/common/plat_pm.c | 11 |
5 files changed, 202 insertions, 0 deletions
diff --git a/plat/rockchip/common/bl31_plat_setup.c b/plat/rockchip/common/bl31_plat_setup.c index 727a2c74..47a245a6 100644 --- a/plat/rockchip/common/bl31_plat_setup.c +++ b/plat/rockchip/common/bl31_plat_setup.c @@ -120,6 +120,9 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2, * Copy the code into pmusram. */ plat_rockchip_pmusram_prepare(); + + /* there may have some board sepcific message need to initialize */ + params_early_setup(plat_params_from_bl2); } /******************************************************************************* diff --git a/plat/rockchip/common/include/plat_params.h b/plat/rockchip/common/include/plat_params.h new file mode 100644 index 00000000..cad45353 --- /dev/null +++ b/plat/rockchip/common/include/plat_params.h @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __PLAT_PARAMS_H__ +#define __PLAT_PARAMS_H__ + +#include <stdint.h> + +/* + * We defined several plat parameter structs for BL2 to pass platform related + * parameters to Rockchip BL31 platform code. All plat parameters start with + * a common header, which has a type field to indicate the parameter type, and + * a next pointer points to next parameter. If the parameter is the last one in + * the list, next pointer will points to NULL. After the header comes the + * variable-sized members that describe the parameter. The picture below shows + * how the parameters are kept in memory. + * + * head of list ---> +----------------+ --+ + * | type | | + * +----------------+ |--> struct bl31_plat_param + * +----| next | | + * | +----------------+ --+ + * | | parameter data | + * | +----------------+ + * | + * +--> +----------------+ --+ + * | type | | + * +----------------+ |--> struct bl31_plat_param + * NULL <---| next | | + * +----------------+ --+ + * | parameter data | + * +----------------+ + * + * Note: The SCTLR_EL3.A bit (Alignment fault check enable) of ARM TF is set, + * so be sure each parameter struct starts on 64-bit aligned address. If not, + * alignment fault will occur during accessing its data member. + */ + +/* param type */ +enum { + PARAM_NONE = 0, + PARAM_RESET, + PARAM_POWEROFF, +}; + +struct gpio_info { + uint8_t polarity; + uint8_t direction; + uint8_t pull_mode; + uint32_t index; +}; + +/* common header for all plat parameter type */ +struct bl31_plat_param { + uint64_t type; + void *next; +}; + +struct bl31_gpio_param { + struct bl31_plat_param h; + struct gpio_info gpio; +}; + +#endif /* __PLAT_PARAMS_H__ */ diff --git a/plat/rockchip/common/include/plat_private.h b/plat/rockchip/common/include/plat_private.h index e05bda41..031a3413 100644 --- a/plat/rockchip/common/include/plat_private.h +++ b/plat/rockchip/common/include/plat_private.h @@ -97,6 +97,8 @@ void plat_cci_disable(void); void plat_delay_timer_init(void); +void params_early_setup(void *plat_params_from_bl2); + void plat_rockchip_gic_driver_init(void); void plat_rockchip_gic_init(void); void plat_rockchip_gic_cpuif_enable(void); @@ -110,6 +112,10 @@ void plat_setup_rockchip_pm_ops(struct rockchip_pm_ops_cb *ops); void platform_cpu_warmboot(void); +void *plat_get_rockchip_gpio_reset(void); +void *plat_get_rockchip_gpio_poweroff(void); +void plat_rockchip_gpio_init(void); + extern const unsigned char rockchip_power_domain_tree_desc[]; extern void *pmu_cpuson_entrypoint_start; diff --git a/plat/rockchip/common/params_setup.c b/plat/rockchip/common/params_setup.c new file mode 100644 index 00000000..2a49556f --- /dev/null +++ b/plat/rockchip/common/params_setup.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <arm_gic.h> +#include <assert.h> +#include <bl_common.h> +#include <console.h> +#include <debug.h> +#include <gpio.h> +#include <mmio.h> +#include <platform.h> +#include <plat_params.h> +#include <plat_private.h> +#include <string.h> + +static struct bl31_plat_param *bl31_params_head; +static struct bl31_gpio_param param_reset; +static struct bl31_gpio_param param_poweroff; +static struct gpio_info *rst_gpio; +static struct gpio_info *poweroff_gpio; + +void *plat_get_rockchip_gpio_reset(void) +{ + return rst_gpio; +} + +void *plat_get_rockchip_gpio_poweroff(void) +{ + return poweroff_gpio; +} + +void params_early_setup(void *plat_param_from_bl2) +{ + struct bl31_plat_param *param; + struct bl31_plat_param *bl2_param; + struct bl31_gpio_param *gpio_param; + + /* keep plat parameters for later processing if need */ + bl2_param = (struct bl31_plat_param *)plat_param_from_bl2; + while (bl2_param) { + switch (bl2_param->type) { + case PARAM_RESET: + param = (struct bl31_plat_param *)¶m_reset; + memcpy((void *)param, (void *)bl2_param, + sizeof(struct bl31_gpio_param)); + gpio_param = (struct bl31_gpio_param *)param; + rst_gpio = &gpio_param->gpio; + break; + case PARAM_POWEROFF: + param = (struct bl31_plat_param *)¶m_poweroff; + memcpy((void *)param, (void *)bl2_param, + sizeof(struct bl31_gpio_param)); + gpio_param = (struct bl31_gpio_param *)param; + poweroff_gpio = &gpio_param->gpio; + break; + default: + NOTICE("not expected type found\n"); + return; /* don't continue if unexpected type found */ + } + param->next = bl31_params_head; + bl31_params_head = param; + bl2_param = bl2_param->next; + } +} diff --git a/plat/rockchip/common/plat_pm.c b/plat/rockchip/common/plat_pm.c index 43558b65..d20a683b 100644 --- a/plat/rockchip/common/plat_pm.c +++ b/plat/rockchip/common/plat_pm.c @@ -253,6 +253,16 @@ static void __dead2 rockchip_system_reset(void) } /******************************************************************************* + * RockChip handlers to power off the system + ******************************************************************************/ +static void __dead2 rockchip_system_poweroff(void) +{ + assert(rockchip_ops && rockchip_ops->system_off); + + rockchip_ops->system_off(); +} + +/******************************************************************************* * Export the platform handlers via plat_rockchip_psci_pm_ops. The rockchip * standard * platform layer will take care of registering the handlers with PSCI. @@ -265,6 +275,7 @@ const plat_psci_ops_t plat_rockchip_psci_pm_ops = { .pwr_domain_on_finish = rockchip_pwr_domain_on_finish, .pwr_domain_suspend_finish = rockchip_pwr_domain_suspend_finish, .system_reset = rockchip_system_reset, + .system_off = rockchip_system_poweroff, .validate_power_state = rockchip_validate_power_state, .get_sys_suspend_power_state = rockchip_get_sys_suspend_power_state }; |