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-rw-r--r--arch/arm/cpu/arm926ejs/lpc32xx/devices.c37
-rw-r--r--arch/arm/cpu/armv7/omap-common/utils.c4
-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun6i.c10
-rw-r--r--arch/arm/cpu/armv7/sunxi/prcm.c12
-rw-r--r--arch/arm/cpu/armv7m/Makefile3
-rw-r--r--arch/arm/cpu/armv7m/stm32f1/Makefile14
-rw-r--r--arch/arm/cpu/armv7m/stm32f1/clock.c196
-rw-r--r--arch/arm/cpu/armv7m/stm32f1/flash.c180
-rw-r--r--arch/arm/cpu/armv7m/stm32f1/soc.c36
-rw-r--r--arch/arm/cpu/armv7m/stm32f1/timer.c121
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/Makefile11
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/clock.c223
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/flash.c146
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/soc.c37
-rw-r--r--arch/arm/cpu/armv7m/stm32f4/timer.c118
-rw-r--r--arch/arm/cpu/armv8/Makefile1
-rw-r--r--arch/arm/cpu/armv8/cache_v8.c77
-rw-r--r--arch/arm/cpu/armv8/fwcall.c75
-rw-r--r--arch/arm/cpu/armv8/start.S36
19 files changed, 248 insertions, 1089 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c
index b1c3f8f4ad..b6db23e981 100644
--- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c
+++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c
@@ -5,12 +5,14 @@
*/
#include <common.h>
-#include <asm/arch/cpu.h>
+#include <dm.h>
+#include <ns16550.h>
+#include <dm/platform_data/lpc32xx_hsuart.h>
+
#include <asm/arch/clk.h>
#include <asm/arch/uart.h>
#include <asm/arch/mux.h>
#include <asm/io.h>
-#include <dm.h>
static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
static struct uart_ctrl_regs *ctrl = (struct uart_ctrl_regs *)UART_CTRL_BASE;
@@ -41,6 +43,37 @@ void lpc32xx_uart_init(unsigned int uart_id)
&clk->u3clk + (uart_id - 3));
}
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct ns16550_platdata lpc32xx_uart[] = {
+ { UART3_BASE, 2, CONFIG_SYS_NS16550_CLK },
+ { UART4_BASE, 2, CONFIG_SYS_NS16550_CLK },
+ { UART5_BASE, 2, CONFIG_SYS_NS16550_CLK },
+ { UART6_BASE, 2, CONFIG_SYS_NS16550_CLK },
+};
+
+#if defined(CONFIG_LPC32XX_HSUART)
+static const struct lpc32xx_hsuart_platdata lpc32xx_hsuart[] = {
+ { HS_UART1_BASE, },
+ { HS_UART2_BASE, },
+ { HS_UART7_BASE, },
+};
+#endif
+
+U_BOOT_DEVICES(lpc32xx_uarts) = {
+#if defined(CONFIG_LPC32XX_HSUART)
+ { "lpc32xx_hsuart", &lpc32xx_hsuart[0], },
+ { "lpc32xx_hsuart", &lpc32xx_hsuart[1], },
+#endif
+ { "ns16550_serial", &lpc32xx_uart[0], },
+ { "ns16550_serial", &lpc32xx_uart[1], },
+ { "ns16550_serial", &lpc32xx_uart[2], },
+ { "ns16550_serial", &lpc32xx_uart[3], },
+#if defined(CONFIG_LPC32XX_HSUART)
+ { "lpc32xx_hsuart", &lpc32xx_hsuart[2], },
+#endif
+};
+#endif
+
void lpc32xx_dma_init(void)
{
/* Enable DMA interface */
diff --git a/arch/arm/cpu/armv7/omap-common/utils.c b/arch/arm/cpu/armv7/omap-common/utils.c
index 602d993e39..52ea7342df 100644
--- a/arch/arm/cpu/armv7/omap-common/utils.c
+++ b/arch/arm/cpu/armv7/omap-common/utils.c
@@ -108,6 +108,6 @@ void omap_die_id_display(void)
omap_die_id(die_id);
- printf("OMAP die ID: %08x%08x%08x%08x", die_id[0], die_id[1], die_id[2],
- die_id[3]);
+ printf("OMAP die ID: %08x%08x%08x%08x\n", die_id[0], die_id[1],
+ die_id[2], die_id[3]);
}
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
index 4501884e1c..1da5455c9a 100644
--- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
+++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
@@ -77,6 +77,16 @@ int clock_twi_onoff(int port, int state)
struct sunxi_ccm_reg *const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ if (port == 5) {
+ if (state)
+ prcm_apb0_enable(
+ PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
+ else
+ prcm_apb0_disable(
+ PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
+ return 0;
+ }
+
/* set the apb clock gate for twi */
if (state)
setbits_le32(&ccm->apb2_gate,
diff --git a/arch/arm/cpu/armv7/sunxi/prcm.c b/arch/arm/cpu/armv7/sunxi/prcm.c
index 19b4938dc9..e1d091fd57 100644
--- a/arch/arm/cpu/armv7/sunxi/prcm.c
+++ b/arch/arm/cpu/armv7/sunxi/prcm.c
@@ -33,3 +33,15 @@ void prcm_apb0_enable(u32 flags)
/* deassert reset for module */
setbits_le32(&prcm->apb0_reset, flags);
}
+
+void prcm_apb0_disable(u32 flags)
+{
+ struct sunxi_prcm_reg *prcm =
+ (struct sunxi_prcm_reg *)SUNXI_PRCM_BASE;
+
+ /* assert reset for module */
+ clrbits_le32(&prcm->apb0_reset, flags);
+
+ /* close the clock for module */
+ clrbits_le32(&prcm->apb0_gate, flags);
+}
diff --git a/arch/arm/cpu/armv7m/Makefile b/arch/arm/cpu/armv7m/Makefile
index 93a19566f5..aff60e8102 100644
--- a/arch/arm/cpu/armv7m/Makefile
+++ b/arch/arm/cpu/armv7m/Makefile
@@ -7,6 +7,3 @@
extra-y := start.o
obj-y += cpu.o
-
-obj-$(CONFIG_STM32F1) += stm32f1/
-obj-$(CONFIG_STM32F4) += stm32f4/
diff --git a/arch/arm/cpu/armv7m/stm32f1/Makefile b/arch/arm/cpu/armv7m/stm32f1/Makefile
deleted file mode 100644
index e2081dbf9e..0000000000
--- a/arch/arm/cpu/armv7m/stm32f1/Makefile
+++ /dev/null
@@ -1,14 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2015
-# Kamil Lulko, <kamil.lulko@gmail.com>
-#
-# Copyright 2015 ATS Advanced Telematics Systems GmbH
-# Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += soc.o clock.o timer.o flash.o
diff --git a/arch/arm/cpu/armv7m/stm32f1/clock.c b/arch/arm/cpu/armv7m/stm32f1/clock.c
deleted file mode 100644
index 28208485d4..0000000000
--- a/arch/arm/cpu/armv7m/stm32f1/clock.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * (C) Copyright 2014
- * STMicroelectronics
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define RCC_CR_HSION (1 << 0)
-#define RCC_CR_HSEON (1 << 16)
-#define RCC_CR_HSERDY (1 << 17)
-#define RCC_CR_HSEBYP (1 << 18)
-#define RCC_CR_CSSON (1 << 19)
-#define RCC_CR_PLLON (1 << 24)
-#define RCC_CR_PLLRDY (1 << 25)
-
-#define RCC_CFGR_PLLMUL_MASK 0x3C0000
-#define RCC_CFGR_PLLMUL_SHIFT 18
-#define RCC_CFGR_PLLSRC_HSE (1 << 16)
-
-#define RCC_CFGR_AHB_PSC_MASK 0xF0
-#define RCC_CFGR_APB1_PSC_MASK 0x700
-#define RCC_CFGR_APB2_PSC_MASK 0x3800
-#define RCC_CFGR_SW0 (1 << 0)
-#define RCC_CFGR_SW1 (1 << 1)
-#define RCC_CFGR_SW_MASK 0x3
-#define RCC_CFGR_SW_HSI 0
-#define RCC_CFGR_SW_HSE RCC_CFGR_SW0
-#define RCC_CFGR_SW_PLL RCC_CFGR_SW1
-#define RCC_CFGR_SWS0 (1 << 2)
-#define RCC_CFGR_SWS1 (1 << 3)
-#define RCC_CFGR_SWS_MASK 0xC
-#define RCC_CFGR_SWS_HSI 0
-#define RCC_CFGR_SWS_HSE RCC_CFGR_SWS0
-#define RCC_CFGR_SWS_PLL RCC_CFGR_SWS1
-#define RCC_CFGR_HPRE_SHIFT 4
-#define RCC_CFGR_PPRE1_SHIFT 8
-#define RCC_CFGR_PPRE2_SHIFT 11
-
-#define RCC_APB1ENR_PWREN (1 << 28)
-
-#define PWR_CR_VOS0 (1 << 14)
-#define PWR_CR_VOS1 (1 << 15)
-#define PWR_CR_VOS_MASK 0xC000
-#define PWR_CR_VOS_SCALE_MODE_1 (PWR_CR_VOS0 | PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_2 (PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_3 (PWR_CR_VOS0)
-
-#define FLASH_ACR_WS(n) n
-#define FLASH_ACR_PRFTEN (1 << 8)
-#define FLASH_ACR_ICEN (1 << 9)
-#define FLASH_ACR_DCEN (1 << 10)
-
-struct psc {
- u8 ahb_psc;
- u8 apb1_psc;
- u8 apb2_psc;
-};
-
-#define AHB_PSC_1 0
-#define AHB_PSC_2 0x8
-#define AHB_PSC_4 0x9
-#define AHB_PSC_8 0xA
-#define AHB_PSC_16 0xB
-#define AHB_PSC_64 0xC
-#define AHB_PSC_128 0xD
-#define AHB_PSC_256 0xE
-#define AHB_PSC_512 0xF
-
-#define APB_PSC_1 0
-#define APB_PSC_2 0x4
-#define APB_PSC_4 0x5
-#define APB_PSC_8 0x6
-#define APB_PSC_16 0x7
-
-#if !defined(CONFIG_STM32_HSE_HZ)
-#error "CONFIG_STM32_HSE_HZ not defined!"
-#else
-#if (CONFIG_STM32_HSE_HZ == 8000000)
-#define RCC_CFGR_PLLMUL_CFG 0x7
-struct psc psc_hse = {
- .ahb_psc = AHB_PSC_1,
- .apb1_psc = APB_PSC_2,
- .apb2_psc = APB_PSC_1
-};
-#else
-#error "No PLL/Prescaler configuration for given CONFIG_STM32_HSE_HZ exists"
-#endif
-#endif
-
-int configure_clocks(void)
-{
- /* Reset RCC configuration */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSION);
- writel(0, &STM32_RCC->cfgr); /* Reset CFGR */
- clrbits_le32(&STM32_RCC->cr, (RCC_CR_HSEON | RCC_CR_CSSON
- | RCC_CR_PLLON));
- clrbits_le32(&STM32_RCC->cr, RCC_CR_HSEBYP);
- writel(0, &STM32_RCC->cir); /* Disable all interrupts */
-
- /* Configure for HSE+PLL operation */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSEON);
- while (!(readl(&STM32_RCC->cr) & RCC_CR_HSERDY))
- ;
-
- /* Enable high performance mode, System frequency up to 168 MHz */
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_PWREN);
- writel(PWR_CR_VOS_SCALE_MODE_1, &STM32_PWR->cr);
-
- setbits_le32(&STM32_RCC->cfgr,
- RCC_CFGR_PLLMUL_CFG << RCC_CFGR_PLLMUL_SHIFT);
- setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_PLLSRC_HSE);
- setbits_le32(&STM32_RCC->cfgr, ((
- psc_hse.ahb_psc << RCC_CFGR_HPRE_SHIFT)
- | (psc_hse.apb1_psc << RCC_CFGR_PPRE1_SHIFT)
- | (psc_hse.apb2_psc << RCC_CFGR_PPRE2_SHIFT)));
-
- setbits_le32(&STM32_RCC->cr, RCC_CR_PLLON);
-
- while (!(readl(&STM32_RCC->cr) & RCC_CR_PLLRDY))
- ;
-
- /* 5 wait states, Prefetch enabled, D-Cache enabled, I-Cache enabled */
- writel(FLASH_ACR_WS(5) | FLASH_ACR_PRFTEN | FLASH_ACR_ICEN
- | FLASH_ACR_DCEN, &STM32_FLASH->acr);
-
- clrbits_le32(&STM32_RCC->cfgr, (RCC_CFGR_SW0 | RCC_CFGR_SW1));
- setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_SW_PLL);
-
- while ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) !=
- RCC_CFGR_SWS_PLL)
- ;
-
- return 0;
-}
-
-unsigned long clock_get(enum clock clck)
-{
- u32 sysclk = 0;
- u32 shift = 0;
- /* PLL table lookups for clock computation */
- u8 pll_mul_table[16] = {
- 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16
- };
- /* Prescaler table lookups for clock computation */
- u8 ahb_psc_table[16] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9
- };
- u8 apb_psc_table[8] = {
- 0, 0, 0, 0, 1, 2, 3, 4
- };
-
- if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) ==
- RCC_CFGR_SWS_PLL) {
- u16 pll;
- pll = ((readl(&STM32_RCC->cfgr) & RCC_CFGR_PLLMUL_MASK)
- >> RCC_CFGR_PLLMUL_SHIFT);
- sysclk = CONFIG_STM32_HSE_HZ * pll_mul_table[pll];
- }
-
- switch (clck) {
- case CLOCK_CORE:
- return sysclk;
- break;
- case CLOCK_AHB:
- shift = ahb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)
- >> RCC_CFGR_HPRE_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB1:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK)
- >> RCC_CFGR_PPRE1_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB2:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK)
- >> RCC_CFGR_PPRE2_SHIFT)];
- return sysclk >>= shift;
- break;
- default:
- return 0;
- break;
- }
-}
diff --git a/arch/arm/cpu/armv7m/stm32f1/flash.c b/arch/arm/cpu/armv7m/stm32f1/flash.c
deleted file mode 100644
index 7d41f63733..0000000000
--- a/arch/arm/cpu/armv7m/stm32f1/flash.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define STM32_FLASH_KEY1 0x45670123
-#define STM32_FLASH_KEY2 0xcdef89ab
-
-#define STM32_NUM_BANKS 2
-#define STM32_MAX_BANK 0x200
-
-flash_info_t flash_info[STM32_NUM_BANKS];
-static struct stm32_flash_bank_regs *flash_bank[STM32_NUM_BANKS];
-
-static void stm32f1_flash_lock(u8 bank, u8 lock)
-{
- if (lock) {
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_LOCK);
- } else {
- writel(STM32_FLASH_KEY1, &flash_bank[bank]->keyr);
- writel(STM32_FLASH_KEY2, &flash_bank[bank]->keyr);
- }
-}
-
-/* Only XL devices are supported (2 KiB sector size) */
-unsigned long flash_init(void)
-{
- u8 i, banks;
- u16 j, size;
-
- /* Set up accessors for XL devices with wonky register layout */
- flash_bank[0] = (struct stm32_flash_bank_regs *)&STM32_FLASH->keyr;
- flash_bank[1] = (struct stm32_flash_bank_regs *)&STM32_FLASH->keyr2;
-
- /*
- * Get total flash size (in KiB) and configure number of banks
- * present and sector count per bank.
- */
- size = readw(&STM32_DES->flash_size);
- if (size <= STM32_MAX_BANK) {
- banks = 1;
- flash_info[0].sector_count = size >> 1;
- } else if (size > STM32_MAX_BANK) {
- banks = 2;
- flash_info[0].sector_count = STM32_MAX_BANK >> 1;
- flash_info[1].sector_count = (size - STM32_MAX_BANK) >> 1;
- }
-
- /* Configure start/size for all sectors */
- for (i = 0; i < banks; i++) {
- flash_info[i].flash_id = FLASH_STM32F1;
- flash_info[i].start[0] = CONFIG_SYS_FLASH_BASE + (i << 19);
- flash_info[i].size = 2048;
- for (j = 1; (j < flash_info[i].sector_count); j++) {
- flash_info[i].start[j] = flash_info[i].start[j - 1]
- + 2048;
- flash_info[i].size += 2048;
- }
- }
-
- return size << 10;
-}
-
-void flash_print_info(flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("Missing or unknown FLASH type\n");
- return;
- } else if (info->flash_id == FLASH_STM32F1) {
- printf("STM32F1 Embedded Flash\n");
- }
-
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 10, info->sector_count);
-
- printf(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- printf("\n ");
- printf(" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf("\n");
- return;
-}
-
-int flash_erase(flash_info_t *info, int first, int last)
-{
- u8 bank = 0xff;
- int i;
-
- for (i = 0; i < STM32_NUM_BANKS; i++) {
- if (info == &flash_info[i]) {
- bank = i;
- break;
- }
- }
- if (bank == 0xff)
- return -1;
-
- stm32f1_flash_lock(bank, 0);
-
- for (i = first; i <= last; i++) {
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PER);
-
- writel(info->start[i], &flash_bank[bank]->ar);
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_STRT);
-
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
- }
-
- clrbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PER);
-
- stm32f1_flash_lock(bank, 1);
-
- return 0;
-}
-
-int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong i;
- u8 bank = 0xff;
-
- if (addr & 1) {
- printf("Flash address must be half word aligned\n");
- return -1;
- }
-
- if (cnt & 1) {
- printf("Flash length must be half word aligned\n");
- return -1;
- }
-
- for (i = 0; i < 2; i++) {
- if (info == &flash_info[i]) {
- bank = i;
- break;
- }
- }
-
- if (bank == 0xff)
- return -1;
-
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
-
- stm32f1_flash_lock(bank, 0);
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PG);
-
- /* STM32F1 requires half word writes */
- for (i = 0; i < cnt >> 1; i++) {
- *(u16 *)(addr + i * 2) = ((u16 *)src)[i];
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
- }
-
- clrbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PG);
-
- stm32f1_flash_lock(bank, 1);
-
- return 0;
-}
diff --git a/arch/arm/cpu/armv7m/stm32f1/soc.c b/arch/arm/cpu/armv7m/stm32f1/soc.c
deleted file mode 100644
index 4438621b9a..0000000000
--- a/arch/arm/cpu/armv7m/stm32f1/soc.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-u32 get_cpu_rev(void)
-{
- return 0;
-}
-
-int arch_cpu_init(void)
-{
- configure_clocks();
-
- /*
- * Configure the memory protection unit (MPU) to allow full access to
- * the whole 4GB address space.
- */
- writel(0, &V7M_MPU->rnr);
- writel(0, &V7M_MPU->rbar);
- writel((V7M_MPU_RASR_AP_RW_RW | V7M_MPU_RASR_SIZE_4GB
- | V7M_MPU_RASR_EN), &V7M_MPU->rasr);
- writel(V7M_MPU_CTRL_ENABLE | V7M_MPU_CTRL_HFNMIENA, &V7M_MPU->ctrl);
-
- return 0;
-}
diff --git a/arch/arm/cpu/armv7m/stm32f1/timer.c b/arch/arm/cpu/armv7m/stm32f1/timer.c
deleted file mode 100644
index 6a261986e9..0000000000
--- a/arch/arm/cpu/armv7m/stm32f1/timer.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define STM32_TIM2_BASE (STM32_APB1PERIPH_BASE + 0x0000)
-
-#define RCC_APB1ENR_TIM2EN (1 << 0)
-
-struct stm32_tim2_5 {
- u32 cr1;
- u32 cr2;
- u32 smcr;
- u32 dier;
- u32 sr;
- u32 egr;
- u32 ccmr1;
- u32 ccmr2;
- u32 ccer;
- u32 cnt;
- u32 psc;
- u32 arr;
- u32 reserved1;
- u32 ccr1;
- u32 ccr2;
- u32 ccr3;
- u32 ccr4;
- u32 reserved2;
- u32 dcr;
- u32 dmar;
- u32 or;
-};
-
-#define TIM_CR1_CEN (1 << 0)
-
-#define TIM_EGR_UG (1 << 0)
-
-int timer_init(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_TIM2EN);
-
- if (clock_get(CLOCK_AHB) == clock_get(CLOCK_APB1))
- writel((clock_get(CLOCK_APB1) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
- else
- writel(((clock_get(CLOCK_APB1) * 2) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
-
- writel(0xFFFFFFFF, &tim->arr);
- writel(TIM_CR1_CEN, &tim->cr1);
- setbits_le32(&tim->egr, TIM_EGR_UG);
-
- gd->arch.tbl = 0;
- gd->arch.tbu = 0;
- gd->arch.lastinc = 0;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- return (get_ticks() / (CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ)) - base;
-}
-
-unsigned long long get_ticks(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
- u32 now;
-
- now = readl(&tim->cnt);
-
- if (now >= gd->arch.lastinc)
- gd->arch.tbl += (now - gd->arch.lastinc);
- else
- gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
-
- gd->arch.lastinc = now;
-
- return gd->arch.tbl;
-}
-
-void reset_timer(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- gd->arch.lastinc = readl(&tim->cnt);
- gd->arch.tbl = 0;
-}
-
-/* delay x useconds */
-void __udelay(ulong usec)
-{
- unsigned long long start;
-
- start = get_ticks(); /* get current timestamp */
- while ((get_ticks() - start) < usec)
- ; /* loop till time has passed */
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CONFIG_SYS_HZ_CLOCK;
-}
diff --git a/arch/arm/cpu/armv7m/stm32f4/Makefile b/arch/arm/cpu/armv7m/stm32f4/Makefile
deleted file mode 100644
index 42d01db14d..0000000000
--- a/arch/arm/cpu/armv7m/stm32f4/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2015
-# Kamil Lulko, <kamil.lulko@gmail.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += soc.o clock.o timer.o flash.o
diff --git a/arch/arm/cpu/armv7m/stm32f4/clock.c b/arch/arm/cpu/armv7m/stm32f4/clock.c
deleted file mode 100644
index 3deb17aa83..0000000000
--- a/arch/arm/cpu/armv7m/stm32f4/clock.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * (C) Copyright 2014
- * STMicroelectronics
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define RCC_CR_HSION (1 << 0)
-#define RCC_CR_HSEON (1 << 16)
-#define RCC_CR_HSERDY (1 << 17)
-#define RCC_CR_HSEBYP (1 << 18)
-#define RCC_CR_CSSON (1 << 19)
-#define RCC_CR_PLLON (1 << 24)
-#define RCC_CR_PLLRDY (1 << 25)
-
-#define RCC_PLLCFGR_PLLM_MASK 0x3F
-#define RCC_PLLCFGR_PLLN_MASK 0x7FC0
-#define RCC_PLLCFGR_PLLP_MASK 0x30000
-#define RCC_PLLCFGR_PLLQ_MASK 0xF000000
-#define RCC_PLLCFGR_PLLSRC (1 << 22)
-#define RCC_PLLCFGR_PLLN_SHIFT 6
-#define RCC_PLLCFGR_PLLP_SHIFT 16
-#define RCC_PLLCFGR_PLLQ_SHIFT 24
-
-#define RCC_CFGR_AHB_PSC_MASK 0xF0
-#define RCC_CFGR_APB1_PSC_MASK 0x1C00
-#define RCC_CFGR_APB2_PSC_MASK 0xE000
-#define RCC_CFGR_SW0 (1 << 0)
-#define RCC_CFGR_SW1 (1 << 1)
-#define RCC_CFGR_SW_MASK 0x3
-#define RCC_CFGR_SW_HSI 0
-#define RCC_CFGR_SW_HSE RCC_CFGR_SW0
-#define RCC_CFGR_SW_PLL RCC_CFGR_SW1
-#define RCC_CFGR_SWS0 (1 << 2)
-#define RCC_CFGR_SWS1 (1 << 3)
-#define RCC_CFGR_SWS_MASK 0xC
-#define RCC_CFGR_SWS_HSI 0
-#define RCC_CFGR_SWS_HSE RCC_CFGR_SWS0
-#define RCC_CFGR_SWS_PLL RCC_CFGR_SWS1
-#define RCC_CFGR_HPRE_SHIFT 4
-#define RCC_CFGR_PPRE1_SHIFT 10
-#define RCC_CFGR_PPRE2_SHIFT 13
-
-#define RCC_APB1ENR_PWREN (1 << 28)
-
-#define PWR_CR_VOS0 (1 << 14)
-#define PWR_CR_VOS1 (1 << 15)
-#define PWR_CR_VOS_MASK 0xC000
-#define PWR_CR_VOS_SCALE_MODE_1 (PWR_CR_VOS0 | PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_2 (PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_3 (PWR_CR_VOS0)
-
-#define FLASH_ACR_WS(n) n
-#define FLASH_ACR_PRFTEN (1 << 8)
-#define FLASH_ACR_ICEN (1 << 9)
-#define FLASH_ACR_DCEN (1 << 10)
-
-struct pll_psc {
- u8 pll_m;
- u16 pll_n;
- u8 pll_p;
- u8 pll_q;
- u8 ahb_psc;
- u8 apb1_psc;
- u8 apb2_psc;
-};
-
-#define AHB_PSC_1 0
-#define AHB_PSC_2 0x8
-#define AHB_PSC_4 0x9
-#define AHB_PSC_8 0xA
-#define AHB_PSC_16 0xB
-#define AHB_PSC_64 0xC
-#define AHB_PSC_128 0xD
-#define AHB_PSC_256 0xE
-#define AHB_PSC_512 0xF
-
-#define APB_PSC_1 0
-#define APB_PSC_2 0x4
-#define APB_PSC_4 0x5
-#define APB_PSC_8 0x6
-#define APB_PSC_16 0x7
-
-#if !defined(CONFIG_STM32_HSE_HZ)
-#error "CONFIG_STM32_HSE_HZ not defined!"
-#else
-#if (CONFIG_STM32_HSE_HZ == 8000000)
-#if (CONFIG_SYS_CLK_FREQ == 180000000)
-/* 180 MHz */
-struct pll_psc sys_pll_psc = {
- .pll_m = 8,
- .pll_n = 360,
- .pll_p = 2,
- .pll_q = 8,
- .ahb_psc = AHB_PSC_1,
- .apb1_psc = APB_PSC_4,
- .apb2_psc = APB_PSC_2
-};
-#else
-/* default 168 MHz */
-struct pll_psc sys_pll_psc = {
- .pll_m = 8,
- .pll_n = 336,
- .pll_p = 2,
- .pll_q = 7,
- .ahb_psc = AHB_PSC_1,
- .apb1_psc = APB_PSC_4,
- .apb2_psc = APB_PSC_2
-};
-#endif
-#else
-#error "No PLL/Prescaler configuration for given CONFIG_STM32_HSE_HZ exists"
-#endif
-#endif
-
-int configure_clocks(void)
-{
- /* Reset RCC configuration */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSION);
- writel(0, &STM32_RCC->cfgr); /* Reset CFGR */
- clrbits_le32(&STM32_RCC->cr, (RCC_CR_HSEON | RCC_CR_CSSON
- | RCC_CR_PLLON));
- writel(0x24003010, &STM32_RCC->pllcfgr); /* Reset value from RM */
- clrbits_le32(&STM32_RCC->cr, RCC_CR_HSEBYP);
- writel(0, &STM32_RCC->cir); /* Disable all interrupts */
-
- /* Configure for HSE+PLL operation */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSEON);
- while (!(readl(&STM32_RCC->cr) & RCC_CR_HSERDY))
- ;
-
- /* Enable high performance mode, System frequency up to 180 MHz */
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_PWREN);
- writel(PWR_CR_VOS_SCALE_MODE_1, &STM32_PWR->cr);
-
- setbits_le32(&STM32_RCC->cfgr, ((
- sys_pll_psc.ahb_psc << RCC_CFGR_HPRE_SHIFT)
- | (sys_pll_psc.apb1_psc << RCC_CFGR_PPRE1_SHIFT)
- | (sys_pll_psc.apb2_psc << RCC_CFGR_PPRE2_SHIFT)));
-
- writel(sys_pll_psc.pll_m
- | (sys_pll_psc.pll_n << RCC_PLLCFGR_PLLN_SHIFT)
- | (((sys_pll_psc.pll_p >> 1) - 1) << RCC_PLLCFGR_PLLP_SHIFT)
- | (sys_pll_psc.pll_q << RCC_PLLCFGR_PLLQ_SHIFT),
- &STM32_RCC->pllcfgr);
- setbits_le32(&STM32_RCC->pllcfgr, RCC_PLLCFGR_PLLSRC);
-
- setbits_le32(&STM32_RCC->cr, RCC_CR_PLLON);
-
- while (!(readl(&STM32_RCC->cr) & RCC_CR_PLLRDY))
- ;
-
- /* 5 wait states, Prefetch enabled, D-Cache enabled, I-Cache enabled */
- writel(FLASH_ACR_WS(5) | FLASH_ACR_PRFTEN | FLASH_ACR_ICEN
- | FLASH_ACR_DCEN, &STM32_FLASH->acr);
-
- clrbits_le32(&STM32_RCC->cfgr, (RCC_CFGR_SW0 | RCC_CFGR_SW1));
- setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_SW_PLL);
-
- while ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) !=
- RCC_CFGR_SWS_PLL)
- ;
-
- return 0;
-}
-
-unsigned long clock_get(enum clock clck)
-{
- u32 sysclk = 0;
- u32 shift = 0;
- /* Prescaler table lookups for clock computation */
- u8 ahb_psc_table[16] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9
- };
- u8 apb_psc_table[8] = {
- 0, 0, 0, 0, 1, 2, 3, 4
- };
-
- if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) ==
- RCC_CFGR_SWS_PLL) {
- u16 pllm, plln, pllp;
- pllm = (readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLM_MASK);
- plln = ((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLN_MASK)
- >> RCC_PLLCFGR_PLLN_SHIFT);
- pllp = ((((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLP_MASK)
- >> RCC_PLLCFGR_PLLP_SHIFT) + 1) << 1);
- sysclk = ((CONFIG_STM32_HSE_HZ / pllm) * plln) / pllp;
- }
-
- switch (clck) {
- case CLOCK_CORE:
- return sysclk;
- break;
- case CLOCK_AHB:
- shift = ahb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)
- >> RCC_CFGR_HPRE_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB1:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK)
- >> RCC_CFGR_PPRE1_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB2:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK)
- >> RCC_CFGR_PPRE2_SHIFT)];
- return sysclk >>= shift;
- break;
- default:
- return 0;
- break;
- }
-}
diff --git a/arch/arm/cpu/armv7m/stm32f4/flash.c b/arch/arm/cpu/armv7m/stm32f4/flash.c
deleted file mode 100644
index a379f477df..0000000000
--- a/arch/arm/cpu/armv7m/stm32f4/flash.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define STM32_FLASH_KEY1 0x45670123
-#define STM32_FLASH_KEY2 0xCDEF89AB
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
- [0 ... 3] = 16 * 1024,
- [4] = 64 * 1024,
- [5 ... 11] = 128 * 1024
-};
-
-static void stm32f4_flash_lock(u8 lock)
-{
- if (lock) {
- setbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_LOCK);
- } else {
- writel(STM32_FLASH_KEY1, &STM32_FLASH->key);
- writel(STM32_FLASH_KEY2, &STM32_FLASH->key);
- }
-}
-
-unsigned long flash_init(void)
-{
- unsigned long total_size = 0;
- u8 i, j;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- flash_info[i].flash_id = FLASH_STM32F4;
- flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- flash_info[i].start[0] = CONFIG_SYS_FLASH_BASE + (i << 20);
- flash_info[i].size = sect_sz_kb[0];
- for (j = 1; j < CONFIG_SYS_MAX_FLASH_SECT; j++) {
- flash_info[i].start[j] = flash_info[i].start[j - 1]
- + (sect_sz_kb[j - 1]);
- flash_info[i].size += sect_sz_kb[j];
- }
- total_size += flash_info[i].size;
- }
-
- return total_size;
-}
-
-void flash_print_info(flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("missing or unknown FLASH type\n");
- return;
- } else if (info->flash_id == FLASH_STM32F4) {
- printf("STM32F4 Embedded Flash\n");
- }
-
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
-
- printf(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- printf("\n ");
- printf(" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf("\n");
- return;
-}
-
-int flash_erase(flash_info_t *info, int first, int last)
-{
- u8 bank = 0xFF;
- int i;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- if (info == &flash_info[i]) {
- bank = i;
- break;
- }
- }
- if (bank == 0xFF)
- return -1;
-
- stm32f4_flash_lock(0);
-
- for (i = first; i <= last; i++) {
- while (readl(&STM32_FLASH->sr) & STM32_FLASH_SR_BSY)
- ;
-
- /* clear old sector number before writing a new one */
- clrbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_SNB_MASK);
-
- if (bank == 0) {
- setbits_le32(&STM32_FLASH->cr,
- (i << STM32_FLASH_CR_SNB_OFFSET));
- } else if (bank == 1) {
- setbits_le32(&STM32_FLASH->cr,
- ((0x10 | i) << STM32_FLASH_CR_SNB_OFFSET));
- } else {
- stm32f4_flash_lock(1);
- return -1;
- }
- setbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_SER);
- setbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_STRT);
-
- while (readl(&STM32_FLASH->sr) & STM32_FLASH_SR_BSY)
- ;
-
- clrbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_SER);
- }
-
- stm32f4_flash_lock(1);
- return 0;
-}
-
-int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong i;
-
- while (readl(&STM32_FLASH->sr) & STM32_FLASH_SR_BSY)
- ;
-
- stm32f4_flash_lock(0);
-
- setbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_PG);
- /* To make things simple use byte writes only */
- for (i = 0; i < cnt; i++) {
- *(uchar *)(addr + i) = src[i];
- while (readl(&STM32_FLASH->sr) & STM32_FLASH_SR_BSY)
- ;
- }
- clrbits_le32(&STM32_FLASH->cr, STM32_FLASH_CR_PG);
- stm32f4_flash_lock(1);
-
- return 0;
-}
diff --git a/arch/arm/cpu/armv7m/stm32f4/soc.c b/arch/arm/cpu/armv7m/stm32f4/soc.c
deleted file mode 100644
index b5d06dbe83..0000000000
--- a/arch/arm/cpu/armv7m/stm32f4/soc.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-u32 get_cpu_rev(void)
-{
- return 0;
-}
-
-int arch_cpu_init(void)
-{
- configure_clocks();
-
- /*
- * Configure the memory protection unit (MPU) to allow full access to
- * the whole 4GB address space.
- */
- writel(0, &V7M_MPU->rnr);
- writel(0, &V7M_MPU->rbar);
- writel((V7M_MPU_RASR_AP_RW_RW | V7M_MPU_RASR_SIZE_4GB
- | V7M_MPU_RASR_EN), &V7M_MPU->rasr);
- writel(V7M_MPU_CTRL_ENABLE | V7M_MPU_CTRL_HFNMIENA, &V7M_MPU->ctrl);
-
- return 0;
-}
-
-void s_init(void)
-{
-}
diff --git a/arch/arm/cpu/armv7m/stm32f4/timer.c b/arch/arm/cpu/armv7m/stm32f4/timer.c
deleted file mode 100644
index 1dee190766..0000000000
--- a/arch/arm/cpu/armv7m/stm32f4/timer.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define STM32_TIM2_BASE (STM32_APB1PERIPH_BASE + 0x0000)
-
-#define RCC_APB1ENR_TIM2EN (1 << 0)
-
-struct stm32_tim2_5 {
- u32 cr1;
- u32 cr2;
- u32 smcr;
- u32 dier;
- u32 sr;
- u32 egr;
- u32 ccmr1;
- u32 ccmr2;
- u32 ccer;
- u32 cnt;
- u32 psc;
- u32 arr;
- u32 reserved1;
- u32 ccr1;
- u32 ccr2;
- u32 ccr3;
- u32 ccr4;
- u32 reserved2;
- u32 dcr;
- u32 dmar;
- u32 or;
-};
-
-#define TIM_CR1_CEN (1 << 0)
-
-#define TIM_EGR_UG (1 << 0)
-
-int timer_init(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_TIM2EN);
-
- if (clock_get(CLOCK_AHB) == clock_get(CLOCK_APB1))
- writel((clock_get(CLOCK_APB1) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
- else
- writel(((clock_get(CLOCK_APB1) * 2) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
-
- writel(0xFFFFFFFF, &tim->arr);
- writel(TIM_CR1_CEN, &tim->cr1);
- setbits_le32(&tim->egr, TIM_EGR_UG);
-
- gd->arch.tbl = 0;
- gd->arch.tbu = 0;
- gd->arch.lastinc = 0;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- return (get_ticks() / (CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ)) - base;
-}
-
-unsigned long long get_ticks(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
- u32 now;
-
- now = readl(&tim->cnt);
-
- if (now >= gd->arch.lastinc)
- gd->arch.tbl += (now - gd->arch.lastinc);
- else
- gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
-
- gd->arch.lastinc = now;
-
- return gd->arch.tbl;
-}
-
-void reset_timer(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- gd->arch.lastinc = readl(&tim->cnt);
- gd->arch.tbl = 0;
-}
-
-/* delay x useconds */
-void __udelay(ulong usec)
-{
- unsigned long long start;
-
- start = get_ticks(); /* get current timestamp */
- while ((get_ticks() - start) < usec)
- ; /* loop till time has passed */
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CONFIG_SYS_HZ_CLOCK;
-}
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index 48c041bb9b..1c85aa924d 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -14,6 +14,7 @@ obj-y += exceptions.o
obj-y += cache.o
obj-y += tlb.o
obj-y += transition.o
+obj-y += fwcall.o
obj-$(CONFIG_FSL_LAYERSCAPE) += fsl-layerscape/
obj-$(CONFIG_ARCH_ZYNQMP) += zynqmp/
diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 53bac3b449..71f0020c7f 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -12,6 +12,69 @@
DECLARE_GLOBAL_DATA_PTR;
#ifndef CONFIG_SYS_DCACHE_OFF
+
+#ifdef CONFIG_SYS_FULL_VA
+static void set_ptl1_entry(u64 index, u64 ptl2_entry)
+{
+ u64 *pgd = (u64 *)gd->arch.tlb_addr;
+ u64 value;
+
+ value = ptl2_entry | PTL1_TYPE_TABLE;
+ pgd[index] = value;
+}
+
+static void set_ptl2_block(u64 ptl1, u64 bfn, u64 address, u64 memory_attrs)
+{
+ u64 *pmd = (u64 *)ptl1;
+ u64 value;
+
+ value = address | PTL2_TYPE_BLOCK | PTL2_BLOCK_AF;
+ value |= memory_attrs;
+ pmd[bfn] = value;
+}
+
+static struct mm_region mem_map[] = CONFIG_SYS_MEM_MAP;
+
+#define PTL1_ENTRIES CONFIG_SYS_PTL1_ENTRIES
+#define PTL2_ENTRIES CONFIG_SYS_PTL2_ENTRIES
+
+static void setup_pgtables(void)
+{
+ int l1_e, l2_e;
+ unsigned long pmd = 0;
+ unsigned long address;
+
+ /* Setup the PMD pointers */
+ for (l1_e = 0; l1_e < CONFIG_SYS_MEM_MAP_SIZE; l1_e++) {
+ gd->arch.pmd_addr[l1_e] = gd->arch.tlb_addr +
+ PTL1_ENTRIES * sizeof(u64);
+ gd->arch.pmd_addr[l1_e] += PTL2_ENTRIES * sizeof(u64) * l1_e;
+ gd->arch.pmd_addr[l1_e] = ALIGN(gd->arch.pmd_addr[l1_e],
+ 0x10000UL);
+ }
+
+ /* Setup the page tables */
+ for (l1_e = 0; l1_e < PTL1_ENTRIES; l1_e++) {
+ if (mem_map[pmd].base ==
+ (uintptr_t)l1_e << PTL2_BITS) {
+ set_ptl1_entry(l1_e, gd->arch.pmd_addr[pmd]);
+
+ for (l2_e = 0; l2_e < PTL2_ENTRIES; l2_e++) {
+ address = mem_map[pmd].base
+ + (uintptr_t)l2_e * BLOCK_SIZE;
+ set_ptl2_block(gd->arch.pmd_addr[pmd], l2_e,
+ address, mem_map[pmd].attrs);
+ }
+
+ pmd++;
+ } else {
+ set_ptl1_entry(l1_e, 0);
+ }
+ }
+}
+
+#else
+
inline void set_pgtable_section(u64 *page_table, u64 index, u64 section,
u64 memory_type, u64 attribute)
{
@@ -30,14 +93,24 @@ inline void set_pgtable_table(u64 *page_table, u64 index, u64 *table_addr)
value = (u64)table_addr | PMD_TYPE_TABLE;
page_table[index] = value;
}
+#endif
/* to activate the MMU we need to set up virtual memory */
__weak void mmu_setup(void)
{
+#ifndef CONFIG_SYS_FULL_VA
bd_t *bd = gd->bd;
u64 *page_table = (u64 *)gd->arch.tlb_addr, i, j;
+#endif
int el;
+#ifdef CONFIG_SYS_FULL_VA
+ unsigned long coreid = read_mpidr() & CONFIG_COREID_MASK;
+
+ /* Set up page tables only on BSP */
+ if (coreid == BSP_COREID)
+ setup_pgtables();
+#else
/* Setup an identity-mapping for all spaces */
for (i = 0; i < (PGTABLE_SIZE >> 3); i++) {
set_pgtable_section(page_table, i, i << SECTION_SHIFT,
@@ -55,6 +128,7 @@ __weak void mmu_setup(void)
}
}
+#endif
/* load TTBR0 */
el = current_el();
if (el == 1) {
@@ -154,6 +228,7 @@ u64 *__weak arch_get_page_table(void) {
return NULL;
}
+#ifndef CONFIG_SYS_FULL_VA
void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
enum dcache_option option)
{
@@ -179,6 +254,8 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
flush_dcache_range(start, end);
asm volatile("dsb sy");
}
+#endif
+
#else /* CONFIG_SYS_DCACHE_OFF */
void invalidate_dcache_all(void)
diff --git a/arch/arm/cpu/armv8/fwcall.c b/arch/arm/cpu/armv8/fwcall.c
new file mode 100644
index 0000000000..9efcc5ada9
--- /dev/null
+++ b/arch/arm/cpu/armv8/fwcall.c
@@ -0,0 +1,75 @@
+/**
+ * (C) Copyright 2014, Cavium Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+**/
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+#include <asm/macro.h>
+#include <asm/system.h>
+
+/*
+ * Issue the hypervisor call
+ *
+ * x0~x7: input arguments
+ * x0~x3: output arguments
+ */
+void hvc_call(struct pt_regs *args)
+{
+ asm volatile(
+ "ldr x0, %0\n"
+ "ldr x1, %1\n"
+ "ldr x2, %2\n"
+ "ldr x3, %3\n"
+ "ldr x4, %4\n"
+ "ldr x5, %5\n"
+ "ldr x6, %6\n"
+ "ldr x7, %7\n"
+ "hvc #0\n"
+ "str x0, %0\n"
+ "str x1, %1\n"
+ "str x2, %2\n"
+ "str x3, %3\n"
+ : "+m" (args->regs[0]), "+m" (args->regs[1]),
+ "+m" (args->regs[2]), "+m" (args->regs[3])
+ : "m" (args->regs[4]), "m" (args->regs[5]),
+ "m" (args->regs[6]), "m" (args->regs[7])
+ : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17");
+}
+
+/*
+ * void smc_call(arg0, arg1...arg7)
+ *
+ * issue the secure monitor call
+ *
+ * x0~x7: input arguments
+ * x0~x3: output arguments
+ */
+
+void smc_call(struct pt_regs *args)
+{
+ asm volatile(
+ "ldr x0, %0\n"
+ "ldr x1, %1\n"
+ "ldr x2, %2\n"
+ "ldr x3, %3\n"
+ "ldr x4, %4\n"
+ "ldr x5, %5\n"
+ "ldr x6, %6\n"
+ "smc #0\n"
+ "str x0, %0\n"
+ "str x1, %1\n"
+ "str x2, %2\n"
+ "str x3, %3\n"
+ : "+m" (args->regs[0]), "+m" (args->regs[1]),
+ "+m" (args->regs[2]), "+m" (args->regs[3])
+ : "m" (args->regs[4]), "m" (args->regs[5]),
+ "m" (args->regs[6])
+ : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17");
+}
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index da45d984d0..2ee60d60f1 100644
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -43,6 +43,9 @@ _bss_end_ofs:
.quad __bss_end - _start
reset:
+#ifdef CONFIG_SYS_RESET_SCTRL
+ bl reset_sctrl
+#endif
/*
* Could be EL3/EL2/EL1, Initial State:
* Little Endian, MMU Disabled, i/dCache Disabled
@@ -99,6 +102,39 @@ master_cpu:
bl _main
+#ifdef CONFIG_SYS_RESET_SCTRL
+reset_sctrl:
+ switch_el x1, 3f, 2f, 1f
+3:
+ mrs x0, sctlr_el3
+ b 0f
+2:
+ mrs x0, sctlr_el2
+ b 0f
+1:
+ mrs x0, sctlr_el1
+
+0:
+ ldr x1, =0xfdfffffa
+ and x0, x0, x1
+
+ switch_el x1, 6f, 5f, 4f
+6:
+ msr sctlr_el3, x0
+ b 7f
+5:
+ msr sctlr_el2, x0
+ b 7f
+4:
+ msr sctlr_el1, x0
+
+7:
+ dsb sy
+ isb
+ b __asm_invalidate_tlb_all
+ ret
+#endif
+
/*-----------------------------------------------------------------------*/
WEAK(apply_core_errata)
generated by cgit (git 2.34.1) at 2025-02-03 04:43:19 +0000