diff options
Diffstat (limited to 'src/soc/nvidia')
| -rw-r--r-- | src/soc/nvidia/tegra124/clock.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/src/soc/nvidia/tegra124/clock.c b/src/soc/nvidia/tegra124/clock.c index 9f37ed6c21..c292355f33 100644 --- a/src/soc/nvidia/tegra124/clock.c +++ b/src/soc/nvidia/tegra124/clock.c @@ -87,17 +87,18 @@ union __attribute__((transparent_union)) pll_fields { struct { int khz; struct pllcx_dividers pllx; /* target: CONFIG_PLLX_KHZ */ - struct pllpad_dividers pllp; /* target: 408 MHz */ struct pllcx_dividers pllc; /* target: 600 MHz */ struct pllpad_dividers plld; /* target: 925 MHz */ struct pllu_dividers pllu; /* target; 960 MHz */ struct pllcx_dividers plldp; /* target; 270 MHz */ struct pllcx_dividers plld2; /* target; 570 MHz */ + /* Based on T124 TRM (to be updatd), PLLP is set to 408MHz in HW. + * Unless configuring PLLP to a frequency other than 408MHz, + * software configuration on PLLP is unneeded. */ } static const osc_table[16] = { [OSC_FREQ_OSC12]{ .khz = 12000, .pllx = {.n = TEGRA_PLLX_KHZ / 12000, .m = 1, .p = 0}, - .pllp = {.n = 408, .m = 12, .p = 0, .cpcon = 8}, .pllc = {.n = 50, .m = 1, .p = 0}, .plld = {.n = 283, .m = 12, .p = 0, .cpcon = 8}, /* 283 MHz */ .pllu = {.n = 960, .m = 12, .p = 0, .cpcon = 12, .lfcon = 2}, @@ -107,7 +108,6 @@ struct { [OSC_FREQ_OSC13]{ .khz = 13000, .pllx = {.n = TEGRA_PLLX_KHZ / 13000, .m = 1, .p = 0}, - .pllp = {.n = 408, .m = 13, .p = 0, .cpcon = 8}, .pllc = {.n = 231, .m = 5, .p = 0}, /* 600.6 MHz */ .plld = {.n = 283, .m = 13, .p = 0, .cpcon = 8}, /* 283 MHz*/ .pllu = {.n = 960, .m = 13, .p = 0, .cpcon = 12, .lfcon = 2}, @@ -117,7 +117,6 @@ struct { [OSC_FREQ_OSC16P8]{ .khz = 16800, .pllx = {.n = TEGRA_PLLX_KHZ / 16800, .m = 1, .p = 0}, - .pllp = {.n = 170, .m = 7, .p = 0, .cpcon = 4}, .pllc = {.n = 250, .m = 7, .p = 0}, .plld = {.n = 286, .m = 17, .p = 0, .cpcon = 8}, /* 282.6 MHz*/ .pllu = {.n = 400, .m = 7, .p = 0, .cpcon = 5, .lfcon = 2}, @@ -127,7 +126,6 @@ struct { [OSC_FREQ_OSC19P2]{ .khz = 19200, .pllx = {.n = TEGRA_PLLX_KHZ / 19200, .m = 1, .p = 0}, - .pllp = {.n = 85, .m = 4, .p = 0, .cpcon = 3}, .pllc = {.n = 125, .m = 4, .p = 0}, .plld = {.n = 251, .m = 17, .p = 0, .cpcon = 8}, /* 283.5 MHz */ .pllu = {.n = 200, .m = 4, .p = 0, .cpcon = 3, .lfcon = 2}, @@ -137,7 +135,6 @@ struct { [OSC_FREQ_OSC26]{ .khz = 26000, .pllx = {.n = TEGRA_PLLX_KHZ / 26000, .m = 1, .p = 0}, - .pllp = {.n = 204, .m = 13, .p = 0, .cpcon = 5}, .pllc = {.n = 23, .m = 1, .p = 0}, /* 598 MHz */ .plld = {.n = 283, .m = 26, .p = 0, .cpcon = 8}, /* 283 MHz */ .pllu = {.n = 960, .m = 26, .p = 0, .cpcon = 12, .lfcon = 2}, @@ -151,7 +148,6 @@ struct { * should match the 19.2MHz values. */ .pllx = {.n = TEGRA_PLLX_KHZ / 19200, .m = 1, .p = 0}, - .pllp = {.n = 85, .m = 4, .p = 0, .cpcon = 3}, .pllc = {.n = 125, .m = 4, .p = 0}, .plld = {.n = 125, .m = 17, .p = 0, .cpcon = 8}, /* 282.4 MHz */ .pllu = {.n = 200, .m = 4, .p = 0, .cpcon = 3, .lfcon = 2}, @@ -165,7 +161,6 @@ struct { * should match the 12MHz values. */ .pllx = {.n = TEGRA_PLLX_KHZ / 12000, .m = 1, .p = 0}, - .pllp = {.n = 24, .m = 1, .p = 0, .cpcon = 2}, .pllc = {.n = 50, .m = 1, .p = 0}, .plld = {.n = 71, .m = 12, .p = 0, .cpcon = 8}, /* 284 MHz */ .pllu = {.n = 960, .m = 12, .p = 0, .cpcon = 12, .lfcon = 2}, @@ -517,12 +512,6 @@ void clock_init(void) init_pll(&clk_rst->pllx_base, &clk_rst->pllx_misc, osc_table[osc].pllx, PLLPAXS_MISC_LOCK_ENABLE); - /* init pllp */ - init_pll(&clk_rst->pllp_base, &clk_rst->pllp_misc, - osc_table[osc].pllp, PLLPAXS_MISC_LOCK_ENABLE); - /* Set additional bit for pllp: enable override */ - setbits_le32(&clk_rst->pllp_base, PLL_BASE_OVRRIDE); - /* init pllu */ init_pll(&clk_rst->pllu_base, &clk_rst->pllu_misc, osc_table[osc].pllu, PLLUD_MISC_LOCK_ENABLE); |