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-rw-r--r--arch/arm/cpu/armv7/am33xx/board.c11
-rw-r--r--arch/arm/cpu/armv7/am33xx/clock_am33xx.c8
-rw-r--r--arch/arm/cpu/armv7/am33xx/sys_info.c57
-rw-r--r--arch/arm/cpu/armv7/config.mk1
-rw-r--r--arch/arm/cpu/armv7/lowlevel_init.S4
-rw-r--r--arch/arm/cpu/armv7/mx6/clock.c40
-rw-r--r--arch/arm/cpu/armv7/omap-common/boot-common.c3
-rw-r--r--arch/arm/cpu/armv7/omap-common/clocks-common.c7
-rw-r--r--arch/arm/cpu/armv7/omap5/prcm-regs.c12
-rw-r--r--arch/arm/cpu/armv7/rmobile/config.mk1
-rw-r--r--arch/arm/cpu/armv7/zynq/timer.c2
11 files changed, 115 insertions, 31 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 2ea3d698fb..a31bf40e5b 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -27,6 +27,7 @@
#include <miiphy.h>
#include <cpsw.h>
#include <asm/errno.h>
+#include <linux/compiler.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
@@ -137,6 +138,16 @@ int arch_misc_init(void)
}
#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
+/*
+ * This function is the place to do per-board things such as ramp up the
+ * MPU clock frequency.
+ */
+__weak void am33xx_spl_board_init(void)
+{
+ do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+ do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+}
+
static void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
index e5f287b338..fabe2595a3 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
@@ -51,10 +51,14 @@ const struct dpll_regs dpll_ddr_regs = {
.cm_div_m2_dpll = CM_WKUP + 0xA0,
};
-const struct dpll_params dpll_mpu = {
+struct dpll_params dpll_mpu_opp100 = {
CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1};
-const struct dpll_params dpll_core = {
+const struct dpll_params dpll_core_opp100 = {
1000, OSC-1, -1, -1, 10, 8, 4};
+const struct dpll_params dpll_mpu = {
+ MPUPLL_M_300, OSC-1, 1, -1, -1, -1, -1};
+const struct dpll_params dpll_core = {
+ 50, OSC-1, -1, -1, 1, 1, 1};
const struct dpll_params dpll_per = {
960, OSC-1, 5, -1, -1, -1, -1};
diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c
index 63afaaa328..50eb598ff2 100644
--- a/arch/arm/cpu/armv7/am33xx/sys_info.c
+++ b/arch/arm/cpu/armv7/am33xx/sys_info.c
@@ -17,6 +17,7 @@
#include <asm/arch/sys_proto.h>
#include <asm/arch/cpu.h>
#include <asm/arch/clock.h>
+#include <power/tps65910.h>
struct ctrl_stat *cstat = (struct ctrl_stat *)CTRL_BASE;
@@ -119,3 +120,59 @@ int print_cpuinfo(void)
return 0;
}
#endif /* CONFIG_DISPLAY_CPUINFO */
+
+#ifdef CONFIG_AM33XX
+int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev)
+{
+ int sil_rev;
+
+ sil_rev = readl(&cdev->deviceid) >> 28;
+
+ if (sil_rev == 1)
+ /* PG 2.0, efuse may not be set. */
+ return MPUPLL_M_800;
+ else if (sil_rev >= 2) {
+ /* Check what the efuse says our max speed is. */
+ int efuse_arm_mpu_max_freq;
+ efuse_arm_mpu_max_freq = readl(&cdev->efuse_sma);
+ switch ((efuse_arm_mpu_max_freq & DEVICE_ID_MASK)) {
+ case AM335X_ZCZ_1000:
+ return MPUPLL_M_1000;
+ case AM335X_ZCZ_800:
+ return MPUPLL_M_800;
+ case AM335X_ZCZ_720:
+ return MPUPLL_M_720;
+ case AM335X_ZCZ_600:
+ case AM335X_ZCE_600:
+ return MPUPLL_M_600;
+ case AM335X_ZCZ_300:
+ case AM335X_ZCE_300:
+ return MPUPLL_M_300;
+ }
+ }
+
+ /* PG 1.0 or otherwise unknown, use the PG1.0 max */
+ return MPUPLL_M_720;
+}
+
+int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency)
+{
+ /* For PG2.1 and later, we have one set of values. */
+ if (sil_rev >= 2) {
+ switch (frequency) {
+ case MPUPLL_M_1000:
+ return TPS65910_OP_REG_SEL_1_3_2_5;
+ case MPUPLL_M_800:
+ return TPS65910_OP_REG_SEL_1_2_6;
+ case MPUPLL_M_720:
+ return TPS65910_OP_REG_SEL_1_2_0;
+ case MPUPLL_M_600:
+ case MPUPLL_M_300:
+ return TPS65910_OP_REG_SEL_1_1_3;
+ }
+ }
+
+ /* Default to PG1.0/PG2.0 values. */
+ return TPS65910_OP_REG_SEL_1_1_3;
+}
+#endif
diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk
index ca4a9e72c0..f0d9c04327 100644
--- a/arch/arm/cpu/armv7/config.mk
+++ b/arch/arm/cpu/armv7/config.mk
@@ -4,7 +4,6 @@
#
# SPDX-License-Identifier: GPL-2.0+
#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
# If armv7-a is not supported by GCC fall-back to armv5, which is
# supported by more tool-chains
diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S
index 82b2b86520..69e3053a42 100644
--- a/arch/arm/cpu/armv7/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/lowlevel_init.S
@@ -22,11 +22,11 @@ ENTRY(lowlevel_init)
ldr sp, =CONFIG_SYS_INIT_SP_ADDR
bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
#ifdef CONFIG_SPL_BUILD
- ldr r8, =gdata
+ ldr r9, =gdata
#else
sub sp, #GD_SIZE
bic sp, sp, #7
- mov r8, sp
+ mov r9, sp
#endif
/*
* Save the old lr(passed in ip) and the current lr to stack
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 7efb0d209a..df11678609 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -228,13 +228,13 @@ static u32 get_axi_clk(void)
static u32 get_emi_slow_clk(void)
{
- u32 emi_clk_sel, emi_slow_pof, cscmr1, root_freq = 0;
+ u32 emi_clk_sel, emi_slow_podf, cscmr1, root_freq = 0;
cscmr1 = __raw_readl(&imx_ccm->cscmr1);
emi_clk_sel = cscmr1 & MXC_CCM_CSCMR1_ACLK_EMI_SLOW_MASK;
emi_clk_sel >>= MXC_CCM_CSCMR1_ACLK_EMI_SLOW_OFFSET;
- emi_slow_pof = cscmr1 & MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_MASK;
- emi_slow_pof >>= MXC_CCM_CSCMR1_ACLK_EMI_PODF_OFFSET;
+ emi_slow_podf = cscmr1 & MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_MASK;
+ emi_slow_podf >>= MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_OFFSET;
switch (emi_clk_sel) {
case 0:
@@ -251,7 +251,7 @@ static u32 get_emi_slow_clk(void)
break;
}
- return root_freq / (emi_slow_pof + 1);
+ return root_freq / (emi_slow_podf + 1);
}
#ifdef CONFIG_MX6SL
@@ -282,6 +282,36 @@ static u32 get_mmdc_ch0_clk(void)
return freq / (podf + 1);
}
+
+int enable_fec_anatop_clock(void)
+{
+ u32 reg = 0;
+ s32 timeout = 100000;
+
+ struct anatop_regs __iomem *anatop =
+ (struct anatop_regs __iomem *)ANATOP_BASE_ADDR;
+
+ reg = readl(&anatop->pll_enet);
+ if ((reg & BM_ANADIG_PLL_ENET_POWERDOWN) ||
+ (!(reg & BM_ANADIG_PLL_ENET_LOCK))) {
+ reg &= ~BM_ANADIG_PLL_ENET_POWERDOWN;
+ writel(reg, &anatop->pll_enet);
+ while (timeout--) {
+ if (readl(&anatop->pll_enet) & BM_ANADIG_PLL_ENET_LOCK)
+ break;
+ }
+ if (timeout < 0)
+ return -ETIMEDOUT;
+ }
+
+ /* Enable FEC clock */
+ reg |= BM_ANADIG_PLL_ENET_ENABLE;
+ reg &= ~BM_ANADIG_PLL_ENET_BYPASS;
+ writel(reg, &anatop->pll_enet);
+
+ return 0;
+}
+
#else
static u32 get_mmdc_ch0_clk(void)
{
@@ -457,7 +487,7 @@ void enable_ipu_clock(void)
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
int reg;
reg = readl(&mxc_ccm->CCGR3);
- reg |= MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET;
+ reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK;
writel(reg, &mxc_ccm->CCGR3);
}
/***************************************************/
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 6b4772b684..0ffa03ac01 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -76,6 +76,9 @@ void spl_board_init(void)
#if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
arch_misc_init();
#endif
+#ifdef CONFIG_AM33XX
+ am33xx_spl_board_init();
+#endif
}
int board_mmc_init(bd_t *bis)
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index 7580594074..ab0c5680f5 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -589,13 +589,6 @@ void scale_vcores(struct vcores_data const *vcores)
val = optimize_vcore_voltage(&vcores->iva);
do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic);
-
- if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) {
- /* Configure LDO SRAM "magic" bits */
- writel(2, (*prcm)->prm_sldo_core_setup);
- writel(2, (*prcm)->prm_sldo_mpu_setup);
- writel(2, (*prcm)->prm_sldo_mm_setup);
- }
}
static inline void enable_clock_domain(u32 const clkctrl_reg, u32 enable_mode)
diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c
index 579818d559..5a3d52c11a 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -286,12 +286,6 @@ struct prcm_regs const omap5_es1_prcm = {
.prm_vc_val_bypass = 0x4ae07ba0,
.prm_vc_cfg_i2c_mode = 0x4ae07bb4,
.prm_vc_cfg_i2c_clk = 0x4ae07bb8,
- .prm_sldo_core_setup = 0x4ae07bc4,
- .prm_sldo_core_ctrl = 0x4ae07bc8,
- .prm_sldo_mpu_setup = 0x4ae07bcc,
- .prm_sldo_mpu_ctrl = 0x4ae07bd0,
- .prm_sldo_mm_setup = 0x4ae07bd4,
- .prm_sldo_mm_ctrl = 0x4ae07bd8,
/* SCRM stuff, used by some boards */
.scrm_auxclk0 = 0x4ae0a310,
@@ -735,12 +729,6 @@ struct prcm_regs const omap5_es2_prcm = {
.prm_vc_cfg_i2c_mode = 0x4ae07cb4,
.prm_vc_cfg_i2c_clk = 0x4ae07cb8,
- .prm_sldo_core_setup = 0x4ae07cc4,
- .prm_sldo_core_ctrl = 0x4ae07cc8,
- .prm_sldo_mpu_setup = 0x4ae07ccc,
- .prm_sldo_mpu_ctrl = 0x4ae07cd0,
- .prm_sldo_mm_setup = 0x4ae07cd4,
- .prm_sldo_mm_ctrl = 0x4ae07cd8,
.prm_abbldo_mpu_setup = 0x4ae07cdc,
.prm_abbldo_mpu_ctrl = 0x4ae07ce0,
diff --git a/arch/arm/cpu/armv7/rmobile/config.mk b/arch/arm/cpu/armv7/rmobile/config.mk
index 4f01610868..3a36ab65e1 100644
--- a/arch/arm/cpu/armv7/rmobile/config.mk
+++ b/arch/arm/cpu/armv7/rmobile/config.mk
@@ -4,7 +4,6 @@
#
# SPDX-License-Identifier: GPL-2.0+
#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
# Make ARMv5 to allow more compilers to work, even though its v7a.
PLATFORM_CPPFLAGS += -march=armv5
diff --git a/arch/arm/cpu/armv7/zynq/timer.c b/arch/arm/cpu/armv7/zynq/timer.c
index 0133565299..3b8d9497a0 100644
--- a/arch/arm/cpu/armv7/zynq/timer.c
+++ b/arch/arm/cpu/armv7/zynq/timer.c
@@ -57,7 +57,7 @@ int timer_init(void)
SCUTIMER_CONTROL_ENABLE_MASK;
/* Load the timer counter register */
- writel(0xFFFFFFFF, &timer_base->counter);
+ writel(0xFFFFFFFF, &timer_base->load);
/*
* Start the A9Timer device
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 01:05:57 +0000