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authorJimmy Zhang <jimmzhang@nvidia.com>2013-09-23 22:07:49 +0200
committerTom Warren <twarren@nvidia.com>2013-12-18 10:19:48 -0700
commit44de8e22ecfc0106c0aea7f39b9aa85aebf46b9c (patch)
tree4e8f3d994677a356141774cf292cce01a993c304 /arch/arm/cpu/arm720t
parentd2c7074b9593d822e2359a09c21747248fdf5fac (diff)
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Tegra114: Fix PLLX M, N, P init settings
The M, N and P width have been changed from Tegra30. The maximum value for N is limited to 255. So, the tegra_pll_x_table for Tegra114 should be set accordingly. Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com> Reviewed-by: Tom Warren <twarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch/arm/cpu/arm720t')
-rw-r--r--arch/arm/cpu/arm720t/tegra-common/cpu.c83
1 files changed, 59 insertions, 24 deletions
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.c b/arch/arm/cpu/arm720t/tegra-common/cpu.c
index 9294611..aa1e04f 100644
--- a/arch/arm/cpu/arm720t/tegra-common/cpu.c
+++ b/arch/arm/cpu/arm720t/tegra-common/cpu.c
@@ -49,33 +49,68 @@ int get_num_cpus(void)
* Timing tables for each SOC for all four oscillator options.
*/
struct clk_pll_table tegra_pll_x_table[TEGRA_SOC_CNT][CLOCK_OSC_FREQ_COUNT] = {
- /* T20: 1 GHz */
- /* n, m, p, cpcon */
- {{ 1000, 13, 0, 12}, /* OSC 13M */
- { 625, 12, 0, 8}, /* OSC 19.2M */
- { 1000, 12, 0, 12}, /* OSC 12M */
- { 1000, 26, 0, 12}, /* OSC 26M */
+ /*
+ * T20: 1 GHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 1000, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
+ { .n = 625, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
+ { .n = 1000, .m = 12, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
+ { .n = 1000, .m = 26, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
},
-
- /* T25: 1.2 GHz */
- {{ 923, 10, 0, 12},
- { 750, 12, 0, 8},
- { 600, 6, 0, 12},
- { 600, 13, 0, 12},
+ /*
+ * T25: 1.2 GHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 923, .m = 10, .p = 0, .cpcon = 12 }, /* OSC: 13.0 MHz */
+ { .n = 750, .m = 12, .p = 0, .cpcon = 8 }, /* OSC: 19.2 MHz */
+ { .n = 600, .m = 6, .p = 0, .cpcon = 12 }, /* OSC: 12.0 MHz */
+ { .n = 600, .m = 13, .p = 0, .cpcon = 12 }, /* OSC: 26.0 MHz */
},
-
- /* T30: 1.4 GHz */
- {{ 862, 8, 0, 8},
- { 583, 8, 0, 4},
- { 700, 6, 0, 8},
- { 700, 13, 0, 8},
+ /*
+ * T30: 1.4 GHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 22:20 3
+ * PLLX_BASE n 17: 8 10
+ * PLLX_BASE m 4: 0 5
+ * PLLX_MISC cpcon 11: 8 4
+ */
+ {
+ { .n = 862, .m = 8, .p = 0, .cpcon = 8 }, /* OSC: 13.0 MHz */
+ { .n = 583, .m = 8, .p = 0, .cpcon = 4 }, /* OSC: 19.2 MHz */
+ { .n = 700, .m = 6, .p = 0, .cpcon = 8 }, /* OSC: 12.0 MHz */
+ { .n = 700, .m = 13, .p = 0, .cpcon = 8 }, /* OSC: 26.0 MHz */
},
-
- /* T114: 1.4 GHz */
- {{ 862, 8, 0, 8},
- { 583, 8, 0, 4},
- { 696, 12, 0, 8},
- { 700, 13, 0, 8},
+ /*
+ * T114: 700 MHz
+ *
+ * Register Field Bits Width
+ * ------------------------------
+ * PLLX_BASE p 23:20 4
+ * PLLX_BASE n 15: 8 8
+ * PLLX_BASE m 7: 0 8
+ */
+ {
+ { .n = 108, .m = 1, .p = 1 }, /* OSC: 13.0 MHz */
+ { .n = 73, .m = 1, .p = 1 }, /* OSC: 19.2 MHz */
+ { .n = 116, .m = 1, .p = 1 }, /* OSC: 12.0 MHz */
+ { .n = 108, .m = 2, .p = 1 }, /* OSC: 26.0 MHz */
},
};