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feat(stm32mp1): update IO compensation on STM32MP13

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On STM32MP13, two new SD1 and SD2 IO compensations cells are added,
for SDMMC1 and SDMMC2. They have to be managed the same way as the
main compensation cell.

Change-Id: Ib7aa648d65fc98e1613bfb46b0e7dd568fd21002
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2020-11-17 15:27:58 +01:00
parent ffd1b88922
commit 8e07ab5f70
1 changed files with 23 additions and 0 deletions
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23
plat/st/stm32mp1/stm32mp1_syscfg.c
View file

@ -27,6 +27,14 @@
#define SYSCFG_CMPCR 0x20U
#define SYSCFG_CMPENSETR 0x24U
#define SYSCFG_CMPENCLRR 0x28U
#if STM32MP13
#define SYSCFG_CMPSD1CR 0x30U
#define SYSCFG_CMPSD1ENSETR 0x34U
#define SYSCFG_CMPSD1ENCLRR 0x38U
#define SYSCFG_CMPSD2CR 0x40U
#define SYSCFG_CMPSD2ENSETR 0x44U
#define SYSCFG_CMPSD2ENCLRR 0x48U
#endif
#define SYSCFG_IDC 0x380U
#define CMPCR_CMPENSETR_OFFSET 0x4U
@ -213,11 +221,22 @@ void stm32mp1_syscfg_enable_io_compensation_start(void)
mmio_setbits_32(SYSCFG_BASE + CMPCR_CMPENSETR_OFFSET + SYSCFG_CMPCR,
SYSCFG_CMPENSETR_MPU_EN);
#if STM32MP13
mmio_setbits_32(SYSCFG_BASE + CMPCR_CMPENSETR_OFFSET + SYSCFG_CMPSD1CR,
SYSCFG_CMPENSETR_MPU_EN);
mmio_setbits_32(SYSCFG_BASE + CMPCR_CMPENSETR_OFFSET + SYSCFG_CMPSD2CR,
SYSCFG_CMPENSETR_MPU_EN);
#endif
}
void stm32mp1_syscfg_enable_io_compensation_finish(void)
{
enable_io_comp_cell_finish(SYSCFG_CMPCR);
#if STM32MP13
enable_io_comp_cell_finish(SYSCFG_CMPSD1CR);
enable_io_comp_cell_finish(SYSCFG_CMPSD2CR);
#endif
}
void stm32mp1_syscfg_disable_io_compensation(void)
@ -231,6 +250,10 @@ void stm32mp1_syscfg_disable_io_compensation(void)
* Disable non-secure SYSCFG clock, we assume non-secure is suspended.
*/
disable_io_comp_cell(SYSCFG_CMPCR);
#if STM32MP13
disable_io_comp_cell(SYSCFG_CMPSD1CR);
disable_io_comp_cell(SYSCFG_CMPSD2CR);
#endif
clk_disable(SYSCFG);
}