#include <common.h>
#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
#include <asm/arch/clock.h>
#include <asm/arch/hardware.h>
#include <asm/io.h>
CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1};
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};
-
-const struct dpll_params *get_dpll_mpu_params(void)
+
+const struct dpll_params dpll_mpu_opp[NUM_CRYSTAL_FREQ][NUM_OPPS] = {
+ { /* 19.2 MHz */
+ {125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {125, 3, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {150, 3, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {125, 2, 1, -1, -1, -1, -1}, /* OPP TB */
+ {625, 11, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 24 MHz */
+ {25, 0, 2, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {25, 0, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {30, 0, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {100, 3, 1, -1, -1, -1, -1}, /* OPP TB */
+ {125, 2, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 25 MHz */
+ {24, 0, 2, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {24, 0, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {144, 4, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {32, 0, 1, -1, -1, -1, -1}, /* OPP TB */
+ {40, 0, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 26 MHz */
+ {300, 12, 2, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {300, 12, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {360, 12, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {400, 12, 1, -1, -1, -1, -1}, /* OPP TB */
+ {500, 12, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+};
+
+const struct dpll_params dpll_core_1000MHz[NUM_CRYSTAL_FREQ] = {
+ {625, 11, -1, -1, 10, 8, 4}, /* 19.2 MHz */
+ {125, 2, -1, -1, 10, 8, 4}, /* 24 MHz */
+ {40, 0, -1, -1, 10, 8, 4}, /* 25 MHz */
+ {500, 12, -1, -1, 10, 8, 4} /* 26 MHz */
+};
+
+const struct dpll_params dpll_per_192MHz[NUM_CRYSTAL_FREQ] = {
+ {400, 7, 5, -1, -1, -1, -1}, /* 19.2 MHz */
+ {400, 9, 5, -1, -1, -1, -1}, /* 24 MHz */
+ {384, 9, 5, -1, -1, -1, -1}, /* 25 MHz */
+ {480, 12, 5, -1, -1, -1, -1} /* 26 MHz */
+};
+
+const struct dpll_params dpll_ddr3_303MHz[NUM_CRYSTAL_FREQ] = {
+ {505, 15, 2, -1, -1, -1, -1}, /*19.2*/
+ {101, 3, 2, -1, -1, -1, -1}, /* 24 MHz */
+ {303, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
+ {303, 12, 2, -1, 4, -1, -1} /* 26 MHz */
+};
+
+const struct dpll_params dpll_ddr3_400MHz[NUM_CRYSTAL_FREQ] = {
+ {125, 5, 1, -1, -1, -1, -1}, /*19.2*/
+ {50, 2, 1, -1, -1, -1, -1}, /* 24 MHz */
+ {16, 0, 1, -1, 4, -1, -1}, /* 25 MHz */
+ {200, 12, 1, -1, 4, -1, -1} /* 26 MHz */
+};
+
+const struct dpll_params dpll_ddr2_266MHz[NUM_CRYSTAL_FREQ] = {
+ {665, 47, 1, -1, -1, -1, -1}, /*19.2*/
+ {133, 11, 1, -1, -1, -1, -1}, /* 24 MHz */
+ {266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
+ {133, 12, 1, -1, 4, -1, -1} /* 26 MHz */
+};
+
+__weak const struct dpll_params *get_dpll_mpu_params(void)
{
- return &dpll_mpu;
+ return &dpll_mpu_opp100;
}
const struct dpll_params *get_dpll_core_params(void)
{
- return &dpll_core;
+ int ind = get_sys_clk_index();
+
+ return &dpll_core_1000MHz[ind];
}
const struct dpll_params *get_dpll_per_params(void)
{
- return &dpll_per;
+ int ind = get_sys_clk_index();
+
+ return &dpll_per_192MHz[ind];
}
void setup_clocks_for_console(void)
}
#endif
-#define OSC (V_OSCK/1000000)
-const struct dpll_params dpll_ddr = {
- 266, OSC-1, 1, -1, -1, -1, -1};
-const struct dpll_params dpll_ddr_evm_sk = {
- 303, OSC-1, 1, -1, -1, -1, -1};
-const struct dpll_params dpll_ddr_bone_black = {
- 400, OSC-1, 1, -1, -1, -1, -1};
-
const struct dpll_params *get_dpll_ddr_params(void)
{
+ int ind = get_sys_clk_index();
+
if (board_is_evm_sk())
- return &dpll_ddr_evm_sk;
+ return &dpll_ddr3_303MHz[ind];
else if (board_is_bone_lt() || board_is_icev2())
- return &dpll_ddr_bone_black;
+ return &dpll_ddr3_400MHz[ind];
else if (board_is_evm_15_or_later())
- return &dpll_ddr_evm_sk;
+ return &dpll_ddr3_303MHz[ind];
else
- return &dpll_ddr;
+ return &dpll_ddr2_266MHz[ind];
+}
+
+static u8 bone_not_connected_to_ac_power(void)
+{
+ if (board_is_bone()) {
+ uchar pmic_status_reg;
+ if (tps65217_reg_read(TPS65217_STATUS,
+ &pmic_status_reg))
+ return 1;
+ if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
+ puts("No AC power, switching to default OPP\n");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+const struct dpll_params *get_dpll_mpu_params(void)
+{
+ int ind = get_sys_clk_index();
+ int freq = am335x_get_efuse_mpu_max_freq(cdev);
+
+ if (bone_not_connected_to_ac_power())
+ freq = MPUPLL_M_600;
+
+ if (board_is_bone_lt())
+ freq = MPUPLL_M_1000;
+
+ switch (freq) {
+ case MPUPLL_M_1000:
+ return &dpll_mpu_opp[ind][5];
+ case MPUPLL_M_800:
+ return &dpll_mpu_opp[ind][4];
+ case MPUPLL_M_720:
+ return &dpll_mpu_opp[ind][3];
+ case MPUPLL_M_600:
+ return &dpll_mpu_opp[ind][2];
+ case MPUPLL_M_500:
+ return &dpll_mpu_opp100;
+ case MPUPLL_M_300:
+ return &dpll_mpu_opp[ind][0];
+ }
+
+ return &dpll_mpu_opp[ind][0];
}
static void scale_vcores_bone(int freq)
* On Beaglebone White we need to ensure we have AC power
* before increasing the frequency.
*/
- if (board_is_bone()) {
- uchar pmic_status_reg;
- if (tps65217_reg_read(TPS65217_STATUS,
- &pmic_status_reg))
- return;
- if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
- puts("No AC power, switching to default OPP\n");
- freq = MPUPLL_M_600;
- }
- }
+ if (bone_not_connected_to_ac_power())
+ freq = MPUPLL_M_600;
/*
* Override what we have detected since we know if we have
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