aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r--arch/arm/cpu/armv7/am33xx/board.c20
-rw-r--r--arch/arm/cpu/armv7/am33xx/clock.c11
-rw-r--r--arch/arm/cpu/armv7/am33xx/clock_am43xx.c9
-rw-r--r--arch/arm/cpu/armv7/am33xx/emif4.c4
-rw-r--r--arch/arm/cpu/armv7/keystone/init.c9
-rw-r--r--arch/arm/cpu/armv7/omap3/mem.c12
6 files changed, 50 insertions, 15 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 28c16f8d02e..7fe049e5131 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -144,6 +144,19 @@ int arch_misc_init(void)
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
/*
+ * In the case of non-SPL based booting we'll want to call these
+ * functions a tiny bit later as it will require gd to be set and cleared
+ * and that's not true in s_init in this case so we cannot do it there.
+ */
+int board_early_init_f(void)
+{
+ prcm_init();
+ set_mux_conf_regs();
+
+ return 0;
+}
+
+/*
* This function is the place to do per-board things such as ramp up the
* MPU clock frequency.
*/
@@ -224,7 +237,7 @@ void s_init(void)
set_uart_mux_conf();
setup_clocks_for_console();
uart_soft_reset();
-#ifdef CONFIG_NOR_BOOT
+#if defined(CONFIG_NOR_BOOT) || defined(CONFIG_QSPI_BOOT)
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
gd->have_console = 1;
@@ -232,13 +245,14 @@ void s_init(void)
gd = &gdata;
preloader_console_init();
#endif
- prcm_init();
- set_mux_conf_regs();
#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
/* Enable RTC32K clock */
rtc32k_enable();
#endif
+#ifdef CONFIG_SPL_BUILD
+ board_early_init_f();
sdram_init();
+#endif
}
#endif
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c
index 0672798fe04..ec7d46838b7 100644
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -170,8 +170,19 @@ void do_enable_clocks(u32 *const *clk_domains,
};
}
+/*
+ * Before scaling up the clocks we need to have the PMIC scale up the
+ * voltages first. This will be dependent on which PMIC is in use
+ * and in some cases we may not be scaling things up at all and thus not
+ * need to do anything here.
+ */
+__weak void scale_vcores(void)
+{
+}
+
void prcm_init()
{
enable_basic_clocks();
+ scale_vcores();
setup_dplls();
}
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
index d0bc2340c83..31188c85bcc 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
@@ -53,6 +53,8 @@ const struct dpll_regs dpll_ddr_regs = {
void setup_clocks_for_console(void)
{
+ u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED;
+
/* Do not add any spl_debug prints in this function */
clrsetbits_le32(&cmwkup->wkclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK,
CD_CLKCTRL_CLKTRCTRL_SW_WKUP <<
@@ -63,6 +65,13 @@ void setup_clocks_for_console(void)
MODULE_CLKCTRL_MODULEMODE_MASK,
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
MODULE_CLKCTRL_MODULEMODE_SHIFT);
+
+ while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) ||
+ (idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) {
+ clkctrl = readl(&cmwkup->wkup_uart0ctrl);
+ idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >>
+ MODULE_CLKCTRL_IDLEST_SHIFT;
+ }
}
void enable_basic_clocks(void)
diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c
index 2c67c322cae..a7a3e88cd75 100644
--- a/arch/arm/cpu/armv7/am33xx/emif4.c
+++ b/arch/arm/cpu/armv7/am33xx/emif4.c
@@ -21,6 +21,10 @@ DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ sdram_init();
+#endif
+
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size(
(void *)CONFIG_SYS_SDRAM_BASE,
diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c
index 044015aed64..4df5ae1cae9 100644
--- a/arch/arm/cpu/armv7/keystone/init.c
+++ b/arch/arm/cpu/armv7/keystone/init.c
@@ -8,6 +8,7 @@
*/
#include <common.h>
+#include <ns16550.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/hardware.h>
@@ -30,6 +31,14 @@ int arch_cpu_init(void)
share_all_segments(11); /* PCIE */
#endif
+ /*
+ * just initialise the COM2 port so that TI specific
+ * UART register PWREMU_MGMT is initialized. Linux UART
+ * driver doesn't handle this.
+ */
+ NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2),
+ CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
return 0;
}
diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c
index e6494096544..1832affa5bb 100644
--- a/arch/arm/cpu/armv7/omap3/mem.c
+++ b/arch/arm/cpu/armv7/omap3/mem.c
@@ -21,17 +21,6 @@
struct gpmc *gpmc_cfg;
#if defined(CONFIG_CMD_NAND)
-#if defined(GPMC_NAND_ECC_SP_x8_LAYOUT) || defined(GPMC_NAND_ECC_LP_x8_LAYOUT)
-static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
- SMNAND_GPMC_CONFIG1,
- SMNAND_GPMC_CONFIG2,
- SMNAND_GPMC_CONFIG3,
- SMNAND_GPMC_CONFIG4,
- SMNAND_GPMC_CONFIG5,
- SMNAND_GPMC_CONFIG6,
- 0,
-};
-#else
static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
M_NAND_GPMC_CONFIG1,
M_NAND_GPMC_CONFIG2,
@@ -40,7 +29,6 @@ static const u32 gpmc_m_nand[GPMC_MAX_REG] = {
M_NAND_GPMC_CONFIG5,
M_NAND_GPMC_CONFIG6, 0
};
-#endif
#endif /* CONFIG_CMD_NAND */
#if defined(CONFIG_CMD_ONENAND)