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Commit cf7bffda authored by Yuri Tikhonov's avatar Yuri Tikhonov
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RT72064. stm32: fix prefixes (STM32F2->STM32) in constants and API 



Signed-off-by: default avatarYuri Tikhonov <yur@emcraft.com>
parent e1616ea3
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board/stm/stm3220g-eval/board.c
View file @ cf7bffda
......@@ -50,19 +50,19 @@
# undef CONFIG_SYS_FSMC_BTR
# undef CONFIG_SYS_FSMC_BWR
# define CONFIG_SYS_RAM_CS 2
# define CONFIG_SYS_FSMC_BCR (STM32F2_FSMC_BCR_WREN | \
(STM32F2_FSMC_BCR_MWID_16 << \
STM32F2_FSMC_BCR_MWID_BIT) | \
STM32F2_FSMC_BCR_MBKEN)
# define CONFIG_SYS_FSMC_BTR (1 << STM32F2_FSMC_BTR_BUSTURN_BIT) | \
(2 << STM32F2_FSMC_BTR_DATAST_BIT)
# define CONFIG_SYS_FSMC_BCR (STM32_FSMC_BCR_WREN | \
(STM32_FSMC_BCR_MWID_16 << \
STM32_FSMC_BCR_MWID_BIT) | \
STM32_FSMC_BCR_MBKEN)
# define CONFIG_SYS_FSMC_BTR (1 << STM32_FSMC_BTR_BUSTURN_BIT) | \
(2 << STM32_FSMC_BTR_DATAST_BIT)
# endif /* !CONFIG_SYS_RAM_CS || !CONFIG_SYS_FSMC_BCR || !CONFIG_SYS_FSMC_BTR */
#endif /* CONFIG_NR_DRAM_BANKS */
/*
* STM32F2 RCC FSMC specific definitions
* STM32 RCC FSMC specific definitions
*/
#define STM32F2_RCC_ENR_FSMC (1 << 0) /* FSMC module clock */
#define STM32_RCC_ENR_FSMC (1 << 0) /* FSMC module clock */
DECLARE_GLOBAL_DATA_PTR;
......@@ -138,9 +138,9 @@ int dram_init(void)
int rv = 0;
#if (CONFIG_NR_DRAM_BANKS > 0)
volatile struct stm32f2_fsmc_regs *fsmc_regs;
volatile struct stm32f2_rcc_regs *rcc_regs;
int i;
volatile struct stm32_fsmc_regs *fsmc_regs;
volatile struct stm32_rcc_regs *rcc_regs;
int i;
/*
* Connect GPIOs to FSMC controller
......@@ -155,13 +155,13 @@ int dram_init(void)
/*
* Enable FSMC interface clock
*/
rcc_regs = (struct stm32f2_rcc_regs *)STM32F2_RCC_BASE;
rcc_regs->ahb3enr |= STM32F2_RCC_ENR_FSMC;
rcc_regs = (struct stm32_rcc_regs *)STM32_RCC_BASE;
rcc_regs->ahb3enr |= STM32_RCC_ENR_FSMC;
/*
* Configure FSMC
*/
fsmc_regs = (struct stm32f2_fsmc_regs *)STM32F2_FSMC_BASE;
fsmc_regs = (struct stm32_fsmc_regs *)STM32_FSMC_BASE;
i = CONFIG_SYS_RAM_CS - 1;
/*
......@@ -188,13 +188,13 @@ out:
return rv;
}
#ifdef CONFIG_STM32F2_ETH
#ifdef CONFIG_STM32_ETH
/*
* Register ethernet driver
*/
int board_eth_init(bd_t *bis)
{
return stm32f2_eth_init(bis);
return stm32_eth_init(bis);
}
#endif
cpu/arm_cortexm3/cpu.c
View file @ cf7bffda
......@@ -52,8 +52,8 @@ int arch_cpu_init(void)
*/
#if defined(CONFIG_SYS_A2F)
gd->bd->bi_arch_number = MACH_TYPE_A2F;
#elif defined(CONFIG_SYS_STM32F2)
gd->bd->bi_arch_number = MACH_TYPE_STM32F2;
#elif defined(CONFIG_SYS_STM32)
gd->bd->bi_arch_number = MACH_TYPE_STM32;
#else
# error "Unsupported Cortex-M3 SOC."
#endif
......
cpu/arm_cortexm3/envm.h
View file @ cf7bffda
......@@ -35,12 +35,12 @@ unsigned int
__attribute__ ((long_call))
envm_write(unsigned int offset, void * buf, unsigned int size);
#if defined(CONFIG_SYS_STM32F2)
#if defined(CONFIG_SYS_STM32)
/*
* Enable instruction cache, prefetch and set the Flash wait latency
* according to the clock configuration used (HCLK value).
*/
void envm_config(u32 wait_states);
#endif /* CONFIG_SYS_STM32F2 */
#endif /* CONFIG_SYS_STM32 */
#endif /* __ENVM_H__ */
cpu/arm_cortexm3/stm32/Makefile
View file @ cf7bffda
......@@ -3,7 +3,7 @@
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2011
# Port to STM32F2
# Port to STM32
# Yuri Tikhonov, Emcraft Systems, yur@emcraft.com.
#
# See file CREDITS for list of people who contributed to this
......
cpu/arm_cortexm3/stm32/clock.c
View file @ cf7bffda
......@@ -25,25 +25,25 @@
#include "envm.h"
/*
* STM32F2 Clock configuration is set by the number of CONFIG options.
* STM32 Clock configuration is set by the number of CONFIG options.
*
* Source for system clock must be selected:
* - CONFIG_STM32F2_SYS_CLK_HSI: HSI oscillator used as sys clock,
* CONFIG_STM32F2_SYS_CLK_HSE: HSE oscillator used as sys clock,
* CONFIG_STM32F2_SYS_CLK_PLL: PLL used as sys clock.
* - CONFIG_STM32_SYS_CLK_HSI: HSI oscillator used as sys clock,
* CONFIG_STM32_SYS_CLK_HSE: HSE oscillator used as sys clock,
* CONFIG_STM32_SYS_CLK_PLL: PLL used as sys clock.
*
* In case of CONFIG_STM32F2_SYS_CLK_HSE or CONFIG_STM32F2_SYS_CLK_PLL with
* CONFIG_STM32F2_PLL_SRC_HSE configurations, the following option must be set:
* - CONFIG_STM32F2_HSE_HZ: HSE oscillator frequency value.
* In case of CONFIG_STM32_SYS_CLK_HSE or CONFIG_STM32_SYS_CLK_PLL with
* CONFIG_STM32_PLL_SRC_HSE configurations, the following option must be set:
* - CONFIG_STM32_HSE_HZ: HSE oscillator frequency value.
*
* In case of CONFIG_STM32F2_SYS_CLK_PLL configuration, the following options
* In case of CONFIG_STM32_SYS_CLK_PLL configuration, the following options
* must be set:
* - CONFIG_STM32F2_PLL_SRC_HSI: HSI clock used as PLL clock entry,
* CONFIG_STM32F2_PLL_SRC_HSE: HSE clock used as PLL clock entry;
* - CONFIG_STM32F2_PLL_M: division factor for PLL input clock;
* - CONFIG_STM32F2_PLL_N: multiplication factor for VCO;
* - CONFIG_STM32F2_PLL_P: division factor for main system clock;
* - CONFIG_STM32F2_PLL_Q: division factor for USB OTG FS, SDIO and RNG clocks.
* - CONFIG_STM32_PLL_SRC_HSI: HSI clock used as PLL clock entry,
* CONFIG_STM32_PLL_SRC_HSE: HSE clock used as PLL clock entry;
* - CONFIG_STM32_PLL_M: division factor for PLL input clock;
* - CONFIG_STM32_PLL_N: multiplication factor for VCO;
* - CONFIG_STM32_PLL_P: division factor for main system clock;
* - CONFIG_STM32_PLL_Q: division factor for USB OTG FS, SDIO and RNG clocks.
* Then:
* Fsys = Fvco / P : PLL general clock output;
* Fvco = Fin * N / M : VCO clock (Fin is the frequency of PLL source);
......@@ -60,42 +60,42 @@
/*
* Check configuration params
*/
#if ((!!defined(CONFIG_STM32F2_SYS_CLK_HSI) + \
!!defined(CONFIG_STM32F2_SYS_CLK_HSE) + \
!!defined(CONFIG_STM32F2_SYS_CLK_PLL)) != 1)
#if ((!!defined(CONFIG_STM32_SYS_CLK_HSI) + \
!!defined(CONFIG_STM32_SYS_CLK_HSE) + \
!!defined(CONFIG_STM32_SYS_CLK_PLL)) != 1)
# error "Incorrect SYS Clock source configuration."
#endif
#if defined(CONFIG_STM32F2_SYS_CLK_HSE) || \
(defined(CONFIG_STM32F2_SYS_CLK_PLL) && \
defined(CONFIG_STM32F2_PLL_SRC_HSE))
# if !defined(CONFIG_STM32F2_HSE_HZ)
#if defined(CONFIG_STM32_SYS_CLK_HSE) || \
(defined(CONFIG_STM32_SYS_CLK_PLL) && \
defined(CONFIG_STM32_PLL_SRC_HSE))
# if !defined(CONFIG_STM32_HSE_HZ)
# error "External oscillator HSE value is not set."
# endif
#endif
#if defined(CONFIG_STM32F2_SYS_CLK_PLL)
# if ((!!defined(CONFIG_STM32F2_PLL_SRC_HSI) + \
!!defined(CONFIG_STM32F2_PLL_SRC_HSE)) != 1)
#if defined(CONFIG_STM32_SYS_CLK_PLL)
# if ((!!defined(CONFIG_STM32_PLL_SRC_HSI) + \
!!defined(CONFIG_STM32_PLL_SRC_HSE)) != 1)
# error "Incorrect PLL clock source configuration."
# endif
# if ((!!defined(CONFIG_STM32F2_PLL_M) + \
!!defined(CONFIG_STM32F2_PLL_N) + \
!!defined(CONFIG_STM32F2_PLL_P) + \
!!defined(CONFIG_STM32F2_PLL_Q)) != 4)
# if ((!!defined(CONFIG_STM32_PLL_M) + \
!!defined(CONFIG_STM32_PLL_N) + \
!!defined(CONFIG_STM32_PLL_P) + \
!!defined(CONFIG_STM32_PLL_Q)) != 4)
# error "Incomplete PLL configuration."
# endif
# if (CONFIG_STM32F2_PLL_M < 2) || (CONFIG_STM32F2_PLL_M > 63)
# if (CONFIG_STM32_PLL_M < 2) || (CONFIG_STM32_PLL_M > 63)
# error "Incorrect PLL_M value."
# endif
# if (CONFIG_STM32F2_PLL_N < 192) || (CONFIG_STM32F2_PLL_N > 432)
# if (CONFIG_STM32_PLL_N < 192) || (CONFIG_STM32_PLL_N > 432)
# error "Incorrect PLL_N value."
# endif
# if (CONFIG_STM32F2_PLL_P != 2) && (CONFIG_STM32F2_PLL_P != 4) && \
(CONFIG_STM32F2_PLL_P != 6) && (CONFIG_STM32F2_PLL_P != 8)
# if (CONFIG_STM32_PLL_P != 2) && (CONFIG_STM32_PLL_P != 4) && \
(CONFIG_STM32_PLL_P != 6) && (CONFIG_STM32_PLL_P != 8)
# error "Incorrect PLL_P value."
# endif
# if (CONFIG_STM32F2_PLL_Q < 4) || (CONFIG_STM32F2_PLL_Q > 15)
# if (CONFIG_STM32_PLL_Q < 4) || (CONFIG_STM32_PLL_Q > 15)
# error "Incorrect PLL_Q value."
# endif
#endif
......@@ -103,113 +103,113 @@
/*
* Internal oscillator value
*/
#define STM32F2_HSI_HZ 16000000 /* 16 MHz */
#define STM32_HSI_HZ 16000000 /* 16 MHz */
/*
* Get the SYS CLK value according to configuration
*/
#if defined(CONFIG_STM32F2_SYS_CLK_HSI)
# define STM32F2_SYS_CLK STM32F2_HSI_HZ
#elif defined(CONFIG_STM32F2_SYS_CLK_HSE)
# define STM32F2_SYS_CLK CONFIG_STM32F2_HSE_HZ
#if defined(CONFIG_STM32_SYS_CLK_HSI)
# define STM32_SYS_CLK STM32_HSI_HZ
#elif defined(CONFIG_STM32_SYS_CLK_HSE)
# define STM32_SYS_CLK CONFIG_STM32_HSE_HZ
#else
# if defined(CONFIG_STM32F2_PLL_SRC_HSE)
# define STM32F2_PLL_IN_HZ CONFIG_STM32F2_HSE_HZ
# if defined(CONFIG_STM32_PLL_SRC_HSE)
# define STM32_PLL_IN_HZ CONFIG_STM32_HSE_HZ
# else
# define STM32F2_PLL_IN_HZ STM32F2_HSI_HZ
# define STM32_PLL_IN_HZ STM32_HSI_HZ
# endif
# define STM32F2_SYS_CLK ((STM32F2_PLL_IN_HZ * \
CONFIG_STM32F2_PLL_N) / \
(CONFIG_STM32F2_PLL_M * \
CONFIG_STM32F2_PLL_P))
# define STM32_SYS_CLK ((STM32_PLL_IN_HZ * \
CONFIG_STM32_PLL_N) / \
(CONFIG_STM32_PLL_M * \
CONFIG_STM32_PLL_P))
#endif
/*
* Get the Flash latency value for this SYS CLK
*/
# if (STM32F2_SYS_CLK > 0) && (STM32F2_SYS_CLK <= 30000000)
# define STM32F2_FLASH_WS 0
#elif (STM32F2_SYS_CLK > 30000000) && (STM32F2_SYS_CLK <= 60000000)
# define STM32F2_FLASH_WS 1
#elif (STM32F2_SYS_CLK > 60000000) && (STM32F2_SYS_CLK <= 90000000)
# define STM32F2_FLASH_WS 2
#elif (STM32F2_SYS_CLK > 90000000) && (STM32F2_SYS_CLK <= 120000000)
# define STM32F2_FLASH_WS 3
# if (STM32_SYS_CLK > 0) && (STM32_SYS_CLK <= 30000000)
# define STM32_FLASH_WS 0
#elif (STM32_SYS_CLK > 30000000) && (STM32_SYS_CLK <= 60000000)
# define STM32_FLASH_WS 1
#elif (STM32_SYS_CLK > 60000000) && (STM32_SYS_CLK <= 90000000)
# define STM32_FLASH_WS 2
#elif (STM32_SYS_CLK > 90000000) && (STM32_SYS_CLK <= 120000000)
# define STM32_FLASH_WS 3
#else
# error "Incorrect System clock value configuration."
# define STM32F2_FLASH_WS 0 /* to avoid compile-time err */
# define STM32_FLASH_WS 0 /* to avoid compile-time err */
#endif
/*
* Offsets and bitmasks of some RCC regs
*/
#define STM32F2_RCC_CR_HSEON (1 << 16) /* HSE clock enable */
#define STM32F2_RCC_CR_HSERDY (1 << 17) /* HSE clock ready */
#define STM32F2_RCC_CR_PLLON (1 << 24) /* PLL clock enable */
#define STM32F2_RCC_CR_PLLRDY (1 << 25) /* PLL clock ready */
#define STM32F2_RCC_CFGR_SW_BIT 0 /* System clock switch */
#define STM32F2_RCC_CFGR_SW_MSK 0x3
#define STM32F2_RCC_CFGR_SWS_BIT 2 /* System clock switch status */
#define STM32F2_RCC_CFGR_SWS_MSK 0x3
#define STM32F2_RCC_CFGR_SWS_HSI 0x0
#define STM32F2_RCC_CFGR_SWS_HSE 0x1
#define STM32F2_RCC_CFGR_SWS_PLL 0x2
#define STM32F2_RCC_CFGR_HPRE_BIT 4 /* AHB prescaler */
#define STM32F2_RCC_CFGR_HPRE_MSK 0xF
#define STM32F2_RCC_CFGR_HPRE_DIVNO 0x0
#define STM32F2_RCC_CFGR_HPRE_DIV2 0x8
#define STM32F2_RCC_CFGR_HPRE_DIV4 0x9
#define STM32F2_RCC_CFGR_HPRE_DIV8 0xA
#define STM32F2_RCC_CFGR_HPRE_DIV16 0xB
#define STM32F2_RCC_CFGR_HPRE_DIV64 0xC
#define STM32F2_RCC_CFGR_HPRE_DIV128 0xD
#define STM32F2_RCC_CFGR_HPRE_DIV256 0xE
#define STM32F2_RCC_CFGR_HPRE_DIV512 0xF
#define STM32F2_RCC_CFGR_PPRE1_BIT 10 /* APB Low speed presc (APB1) */
#define STM32F2_RCC_CFGR_PPRE1_MSK 0x7
#define STM32F2_RCC_CFGR_PPRE1_DIV0 0x0
#define STM32F2_RCC_CFGR_PPRE1_DIV2 0x4
#define STM32F2_RCC_CFGR_PPRE1_DIV4 0x5
#define STM32F2_RCC_CFGR_PPRE1_DIV8 0x6
#define STM32F2_RCC_CFGR_PPRE1_DIV16 0x7
#define STM32F2_RCC_CFGR_PPRE2_BIT 13 /* APB high-speed presc (APB2)*/
#define STM32F2_RCC_CFGR_PPRE2_MSK 0x7
#define STM32F2_RCC_CFGR_PPRE2_DIVNO 0x0
#define STM32F2_RCC_CFGR_PPRE2_DIV2 0x4
#define STM32F2_RCC_CFGR_PPRE2_DIV4 0x5
#define STM32F2_RCC_CFGR_PPRE2_DIV8 0x6
#define STM32F2_RCC_CFGR_PPRE2_DIV16 0x7
#define STM32F2_RCC_PLLCFGR_HSESRC (1 << 22) /* Main PLL entry clock src */
#define STM32F2_RCC_PLLCFGR_PLLM_BIT 0 /* Div factor for input clock */
#define STM32F2_RCC_PLLCFGR_PLLM_MSK 0x3F
#define STM32F2_RCC_PLLCFGR_PLLN_BIT 6 /* Mult factor for VCO */
#define STM32F2_RCC_PLLCFGR_PLLN_MSK 0x1FF
#define STM32F2_RCC_PLLCFGR_PLLP_BIT 16 /* Div factor for main sysclk */
#define STM32F2_RCC_PLLCFGR_PLLP_MSK 0x3
#define STM32F2_RCC_PLLCFGR_PLLQ_BIT 24 /* Div factor for USB,SDIO,.. */
#define STM32F2_RCC_PLLCFGR_PLLQ_MSK 0xF
#define STM32_RCC_CR_HSEON (1 << 16) /* HSE clock enable */
#define STM32_RCC_CR_HSERDY (1 << 17) /* HSE clock ready */
#define STM32_RCC_CR_PLLON (1 << 24) /* PLL clock enable */
#define STM32_RCC_CR_PLLRDY (1 << 25) /* PLL clock ready */
#define STM32_RCC_CFGR_SW_BIT 0 /* System clock switch */
#define STM32_RCC_CFGR_SW_MSK 0x3
#define STM32_RCC_CFGR_SWS_BIT 2 /* System clock switch status */
#define STM32_RCC_CFGR_SWS_MSK 0x3
#define STM32_RCC_CFGR_SWS_HSI 0x0
#define STM32_RCC_CFGR_SWS_HSE 0x1
#define STM32_RCC_CFGR_SWS_PLL 0x2
#define STM32_RCC_CFGR_HPRE_BIT 4 /* AHB prescaler */
#define STM32_RCC_CFGR_HPRE_MSK 0xF
#define STM32_RCC_CFGR_HPRE_DIVNO 0x0
#define STM32_RCC_CFGR_HPRE_DIV2 0x8
#define STM32_RCC_CFGR_HPRE_DIV4 0x9
#define STM32_RCC_CFGR_HPRE_DIV8 0xA
#define STM32_RCC_CFGR_HPRE_DIV16 0xB
#define STM32_RCC_CFGR_HPRE_DIV64 0xC
#define STM32_RCC_CFGR_HPRE_DIV128 0xD
#define STM32_RCC_CFGR_HPRE_DIV256 0xE
#define STM32_RCC_CFGR_HPRE_DIV512 0xF
#define STM32_RCC_CFGR_PPRE1_BIT 10 /* APB Low speed presc (APB1) */
#define STM32_RCC_CFGR_PPRE1_MSK 0x7
#define STM32_RCC_CFGR_PPRE1_DIV0 0x0
#define STM32_RCC_CFGR_PPRE1_DIV2 0x4
#define STM32_RCC_CFGR_PPRE1_DIV4 0x5
#define STM32_RCC_CFGR_PPRE1_DIV8 0x6
#define STM32_RCC_CFGR_PPRE1_DIV16 0x7
#define STM32_RCC_CFGR_PPRE2_BIT 13 /* APB high-speed presc (APB2)*/
#define STM32_RCC_CFGR_PPRE2_MSK 0x7
#define STM32_RCC_CFGR_PPRE2_DIVNO 0x0
#define STM32_RCC_CFGR_PPRE2_DIV2 0x4
#define STM32_RCC_CFGR_PPRE2_DIV4 0x5
#define STM32_RCC_CFGR_PPRE2_DIV8 0x6
#define STM32_RCC_CFGR_PPRE2_DIV16 0x7
#define STM32_RCC_PLLCFGR_HSESRC (1 << 22) /* Main PLL entry clock src */
#define STM32_RCC_PLLCFGR_PLLM_BIT 0 /* Div factor for input clock */
#define STM32_RCC_PLLCFGR_PLLM_MSK 0x3F
#define STM32_RCC_PLLCFGR_PLLN_BIT 6 /* Mult factor for VCO */
#define STM32_RCC_PLLCFGR_PLLN_MSK 0x1FF
#define STM32_RCC_PLLCFGR_PLLP_BIT 16 /* Div factor for main sysclk */
#define STM32_RCC_PLLCFGR_PLLP_MSK 0x3
#define STM32_RCC_PLLCFGR_PLLQ_BIT 24 /* Div factor for USB,SDIO,.. */
#define STM32_RCC_PLLCFGR_PLLQ_MSK 0xF
/*
* Timeouts (in cycles)
*/
#define STM32F2_HSE_STARTUP_TIMEOUT 0x0500
#define STM32_HSE_STARTUP_TIMEOUT 0x0500
/*
* Clock values
*/
static u32 clock_val[CLOCK_END];
#if !defined(CONFIG_STM32F2_SYS_CLK_HSI)
#if !defined(CONFIG_STM32_SYS_CLK_HSI)
/*
* Set-up clock configuration.
*/
......@@ -221,58 +221,58 @@ static void clock_setup(void)
/*
* Enable HSE, and wait it becomes ready
*/
STM32F2_RCC->cr |= STM32F2_RCC_CR_HSEON;
for (i = 0; i < STM32F2_HSE_STARTUP_TIMEOUT; i++) {
if (STM32F2_RCC->cr & STM32F2_RCC_CR_HSERDY)
STM32_RCC->cr |= STM32_RCC_CR_HSEON;
for (i = 0; i < STM32_HSE_STARTUP_TIMEOUT; i++) {
if (STM32_RCC->cr & STM32_RCC_CR_HSERDY)
break;
}
if (!(STM32F2_RCC->cr & STM32F2_RCC_CR_HSERDY)) {
if (!(STM32_RCC->cr & STM32_RCC_CR_HSERDY)) {
/*
* Have no HSE clock
*/
goto out;
}
val = STM32F2_RCC->cfgr;
val = STM32_RCC->cfgr;
/*
* HCLK = SYSCLK / 1
*/
val &= ~(STM32F2_RCC_CFGR_HPRE_MSK << STM32F2_RCC_CFGR_HPRE_BIT);
val |= STM32F2_RCC_CFGR_HPRE_DIVNO << STM32F2_RCC_CFGR_HPRE_BIT;
val &= ~(STM32_RCC_CFGR_HPRE_MSK << STM32_RCC_CFGR_HPRE_BIT);
val |= STM32_RCC_CFGR_HPRE_DIVNO << STM32_RCC_CFGR_HPRE_BIT;
/*
* PCLK2 = HCLK / 2
*/
val &= ~(STM32F2_RCC_CFGR_PPRE2_MSK << STM32F2_RCC_CFGR_PPRE2_BIT);
val |= STM32F2_RCC_CFGR_PPRE2_DIV2 << STM32F2_RCC_CFGR_PPRE2_BIT;
val &= ~(STM32_RCC_CFGR_PPRE2_MSK << STM32_RCC_CFGR_PPRE2_BIT);
val |= STM32_RCC_CFGR_PPRE2_DIV2 << STM32_RCC_CFGR_PPRE2_BIT;
/*
* PCLK1 = HCLK / 4
*/
val &= ~(STM32F2_RCC_CFGR_PPRE1_MSK << STM32F2_RCC_CFGR_PPRE1_BIT);
val |= STM32F2_RCC_CFGR_PPRE1_DIV4 << STM32F2_RCC_CFGR_PPRE1_BIT;
val &= ~(STM32_RCC_CFGR_PPRE1_MSK << STM32_RCC_CFGR_PPRE1_BIT);
val |= STM32_RCC_CFGR_PPRE1_DIV4 << STM32_RCC_CFGR_PPRE1_BIT;
STM32F2_RCC->cfgr = val;
STM32_RCC->cfgr = val;
# if defined(CONFIG_STM32F2_SYS_CLK_PLL)
# if defined(CONFIG_STM32_SYS_CLK_PLL)
/*
* Configure the main PLL
*/
# if defined(CONFIG_STM32F2_PLL_SRC_HSE)
val = STM32F2_RCC_PLLCFGR_HSESRC;
# if defined(CONFIG_STM32_PLL_SRC_HSE)
val = STM32_RCC_PLLCFGR_HSESRC;
# else
val = 0;
# endif
val |= CONFIG_STM32F2_PLL_M << STM32F2_RCC_PLLCFGR_PLLM_BIT;
val |= CONFIG_STM32F2_PLL_N << STM32F2_RCC_PLLCFGR_PLLN_BIT;
val |= ((CONFIG_STM32F2_PLL_P >> 1) - 1) <<
STM32F2_RCC_PLLCFGR_PLLP_BIT;
val |= CONFIG_STM32F2_PLL_Q << STM32F2_RCC_PLLCFGR_PLLQ_BIT;
val |= CONFIG_STM32_PLL_M << STM32_RCC_PLLCFGR_PLLM_BIT;
val |= CONFIG_STM32_PLL_N << STM32_RCC_PLLCFGR_PLLN_BIT;
val |= ((CONFIG_STM32_PLL_P >> 1) - 1) <<
STM32_RCC_PLLCFGR_PLLP_BIT;
val |= CONFIG_STM32_PLL_Q << STM32_RCC_PLLCFGR_PLLQ_BIT;
STM32F2_RCC->pllcfgr = val;
STM32_RCC->pllcfgr = val;
/*
* Enable the main PLL, and wait until main PLL becomes ready.
......@@ -280,42 +280,42 @@ static void clock_setup(void)
* PLL to lock is probably not a constant. There's no timeout here in
* STM lib code as well.
*/
STM32F2_RCC->cr |= STM32F2_RCC_CR_PLLON;
while (STM32F2_RCC->cr & STM32F2_RCC_CR_PLLRDY);
STM32_RCC->cr |= STM32_RCC_CR_PLLON;
while (STM32_RCC->cr & STM32_RCC_CR_PLLRDY);
/*
* Select PLL as system source if it's setup OK, and HSE otherwise
*/
if (!(STM32F2_RCC->cr & STM32F2_RCC_CR_PLLRDY))
val = STM32F2_RCC_CFGR_SWS_PLL;
if (!(STM32_RCC->cr & STM32_RCC_CR_PLLRDY))
val = STM32_RCC_CFGR_SWS_PLL;
else
val = STM32F2_RCC_CFGR_SWS_HSE;
val = STM32_RCC_CFGR_SWS_HSE;
# else
/*
* Select HSE as system source
*/
val = STM32F2_RCC_CFGR_SWS_HSE;
# endif /* CONFIG_STM32F2_SYS_CLK_PLL */
val = STM32_RCC_CFGR_SWS_HSE;
# endif /* CONFIG_STM32_SYS_CLK_PLL */
/*
* Configure Flash prefetch, Instruction cache, and wait
* latency.
*/
envm_config(STM32F2_FLASH_WS);
envm_config(STM32_FLASH_WS);
/*
* Change system clock source, and wait (infinite!) till it done
*/
STM32F2_RCC->cfgr &= ~(STM32F2_RCC_CFGR_SW_MSK <<
STM32F2_RCC_CFGR_SW_BIT);
STM32F2_RCC->cfgr |= val << STM32F2_RCC_CFGR_SW_BIT;
while ((STM32F2_RCC->cfgr & (STM32F2_RCC_CFGR_SWS_MSK <<
STM32F2_RCC_CFGR_SWS_BIT)) !=
(val << STM32F2_RCC_CFGR_SWS_BIT));
STM32_RCC->cfgr &= ~(STM32_RCC_CFGR_SW_MSK <<
STM32_RCC_CFGR_SW_BIT);
STM32_RCC->cfgr |= val << STM32_RCC_CFGR_SW_BIT;
while ((STM32_RCC->cfgr & (STM32_RCC_CFGR_SWS_MSK <<
STM32_RCC_CFGR_SWS_BIT)) !=
(val << STM32_RCC_CFGR_SWS_BIT));
out:
return;
}
#endif /* CONFIG_STM32F2_SYS_CLK_HSI */
#endif /* CONFIG_STM32_SYS_CLK_HSI */
/*
* Initialize the reference clocks.
......@@ -327,7 +327,7 @@ void clock_init(void)
u32 tmp, presc, pllvco, pllp, pllm;
#if !defined(CONFIG_STM32F2_SYS_CLK_HSI)
#if !defined(CONFIG_STM32_SYS_CLK_HSI)
/*
* Set clocks to cfg, which is differs from the poweron default
*/
......@@ -336,75 +336,75 @@ void clock_init(void)
/*
* For consistency with !HSI configs, enable prefetch and cache
*/
envm_config(STM32F2_FLASH_WS);
envm_config(STM32_FLASH_WS);
#endif
/*
* Get SYSCLK
*/
tmp = STM32F2_RCC->cfgr >> STM32F2_RCC_CFGR_SWS_BIT;
tmp &= STM32F2_RCC_CFGR_SWS_MSK;
tmp = STM32_RCC->cfgr >> STM32_RCC_CFGR_SWS_BIT;
tmp &= STM32_RCC_CFGR_SWS_MSK;
switch (tmp) {
case STM32F2_RCC_CFGR_SWS_HSI:
case STM32_RCC_CFGR_SWS_HSI:
/* HSI used as system clock source */
clock_val[CLOCK_SYSCLK] = STM32F2_HSI_HZ;
clock_val[CLOCK_SYSCLK] = STM32_HSI_HZ;
break;
case STM32F2_RCC_CFGR_SWS_HSE:
case STM32_RCC_CFGR_SWS_HSE:
/* HSE used as system clock source */
clock_val[CLOCK_SYSCLK] = CONFIG_STM32F2_HSE_HZ;
clock_val[CLOCK_SYSCLK] = CONFIG_STM32_HSE_HZ;
break;
case STM32F2_RCC_CFGR_SWS_PLL:
case STM32_RCC_CFGR_SWS_PLL:
/* PLL used as system clock source */
/*
* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN
* SYSCLK = PLL_VCO / PLLP
*/
pllm = STM32F2_RCC->pllcfgr >> STM32F2_RCC_PLLCFGR_PLLM_BIT;
pllm &= STM32F2_RCC_PLLCFGR_PLLM_MSK;
pllm = STM32_RCC->pllcfgr >> STM32_RCC_PLLCFGR_PLLM_BIT;
pllm &= STM32_RCC_PLLCFGR_PLLM_MSK;
if (STM32F2_RCC->pllcfgr & STM32F2_RCC_PLLCFGR_HSESRC) {
if (STM32_RCC->pllcfgr & STM32_RCC_PLLCFGR_HSESRC) {
/* HSE used as PLL clock source */
tmp = CONFIG_STM32F2_HSE_HZ;
tmp = CONFIG_STM32_HSE_HZ;
} else {
/* HSI used as PLL clock source */
tmp = STM32F2_HSI_HZ;
tmp = STM32_HSI_HZ;
}
pllvco = STM32F2_RCC->pllcfgr >> STM32F2_RCC_PLLCFGR_PLLN_BIT;
pllvco &= STM32F2_RCC_PLLCFGR_PLLN_MSK;
pllvco = STM32_RCC->pllcfgr >> STM32_RCC_PLLCFGR_PLLN_BIT;
pllvco &= STM32_RCC_PLLCFGR_PLLN_MSK;
pllvco *= tmp / pllm;
pllp = STM32F2_RCC->pllcfgr >> STM32F2_RCC_PLLCFGR_PLLP_BIT;
pllp &= STM32F2_RCC_PLLCFGR_PLLP_MSK;
pllp = STM32_RCC->pllcfgr >> STM32_RCC_PLLCFGR_PLLP_BIT;
pllp &= STM32_RCC_PLLCFGR_PLLP_MSK;
pllp = (pllp + 1) * 2;
clock_val[CLOCK_SYSCLK] = pllvco / pllp;
break;
default:
clock_val[CLOCK_SYSCLK] = STM32F2_HSI_HZ;
clock_val[CLOCK_SYSCLK] = STM32_HSI_HZ;
break;
}
/*
* Get HCLK
*/
tmp = STM32F2_RCC->cfgr >> STM32F2_RCC_CFGR_HPRE_BIT;
tmp &= STM32F2_RCC_CFGR_HPRE_MSK;
tmp = STM32_RCC->cfgr >> STM32_RCC_CFGR_HPRE_BIT;
tmp &= STM32_RCC_CFGR_HPRE_MSK;