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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-10-02 08:10:36 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-10-02 08:10:36 +0200
commit5c8d5b6fc15fc2c52d74c266d9fe6eb5f75cbcb4 (patch)
tree10c4a86397d7ac6ae9a6bcc0e9438dd620246404 /arch/arm/cpu
parent12eba1b49380988fd87cc0b3af44014cca8b71c4 (diff)
parent827512fb1154c05c6eb1e2259e936df55c98a535 (diff)
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Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/cpu')
-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/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
6 files changed, 77 insertions, 21 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 2ea3d69..a31bf40 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 e5f287b..fabe259 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 63afaaa..50eb598 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/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 6b4772b..0ffa03a 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 7580594..ab0c568 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 579818d..5a3d52c 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,