diff options
Diffstat (limited to 'recipes/u-boot/u-boot-git/beagleboard/720MHz.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-git/beagleboard/720MHz.patch | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/recipes/u-boot/u-boot-git/beagleboard/720MHz.patch b/recipes/u-boot/u-boot-git/beagleboard/720MHz.patch deleted file mode 100644 index c50e0bd793..0000000000 --- a/recipes/u-boot/u-boot-git/beagleboard/720MHz.patch +++ /dev/null @@ -1,166 +0,0 @@ -From bba669562fa208d12f4c7cd8188446e8576cd6ee Mon Sep 17 00:00:00 2001
-From: Syed Mohammed Khasim <khasim@ti.com>
-Date: Fri, 8 Jan 2010 20:34:37 +0530
-Subject: [PATCH] Support 720Mhz configuration for OMAP35xx
-
-Adds a new API "twl4030_pmrecv_vsel_cfg" to select voltage and group
-Adds support for 720Mhz in clock.c
-Board file modified to use these new APIs and boot at 720Mhz
-
-Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
----
- board/ti/beagle/beagle.c | 20 ++++++++++++++++++--
- cpu/arm_cortexa8/omap3/clock.c | 21 +++++++++++++++++++++
- drivers/power/twl4030.c | 24 +++++++++++++++---------
- include/twl4030.h | 16 ++++++++++++++++
- 4 files changed, 70 insertions(+), 11 deletions(-)
-
-diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
-index 0def5a6..7985ee9 100644
---- a/board/ti/beagle/beagle.c
-+++ b/board/ti/beagle/beagle.c
-@@ -122,9 +122,27 @@ int misc_init_r(void)
- struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
- struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
-
-+ beagle_identify();
-+
- twl4030_power_init();
- twl4030_led_init();
-
-+ if ((beagle_revision == REVISION_C4) || (beagle_revision == REVISION_XM)) {
-+
-+ /* Select TWL4030 VSEL to support 720Mhz */
-+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
-+ VAUX2_VSEL_18,
-+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
-+ DEV_GRP_P1);
-+
-+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VDD1_VSEL,
-+ VDD1_VSEL_14,
-+ TWL4030_PM_RECEIVER_VDD1_DEV_GRP,
-+ DEV_GRP_P1);
-+
-+ prcm_config_720mhz();
-+ }
-+
- /* Configure GPIOs to output */
- writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
- writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
-@@ -136,8 +154,6 @@ int misc_init_r(void)
- writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
- GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
-
-- beagle_identify();
--
- dieid_num_r();
-
- return 0;
-diff --git a/cpu/arm_cortexa8/omap3/clock.c b/cpu/arm_cortexa8/omap3/clock.c
-index 174c453..d67517a 100644
---- a/cpu/arm_cortexa8/omap3/clock.c
-+++ b/cpu/arm_cortexa8/omap3/clock.c
-@@ -402,3 +402,24 @@ void per_clocks_enable(void)
-
- sdelay(1000);
- }
-+
-+/*
-+ * Configure PRCM registers to get 720 Mhz
-+ *
-+ * NOTE: N value doesn't change, only M gets affected
-+ */
-+void prcm_config_720mhz(void)
-+{
-+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-+
-+ /* Unlock MPU DPLL (slows things down, and needed later) */
-+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS);
-+ wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
-+
-+ /* Set M */
-+ sr32(&prcm_base->clksel1_pll_mpu, 8, 11, 0x2D0);
-+
-+ /* lock mode */
-+ sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK);
-+ wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY);
-+}
-diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
-index eb066cb..d68e515 100644
---- a/drivers/power/twl4030.c
-+++ b/drivers/power/twl4030.c
-@@ -59,16 +59,9 @@ void twl4030_power_reset_init(void)
- }
- }
-
--
- /*
- * Power Init
- */
--#define DEV_GRP_P1 0x20
--#define VAUX3_VSEL_28 0x03
--#define DEV_GRP_ALL 0xE0
--#define VPLL2_VSEL_18 0x05
--#define VDAC_VSEL_18 0x03
--
- void twl4030_power_init(void)
- {
- unsigned char byte;
-@@ -98,8 +91,6 @@ void twl4030_power_init(void)
- TWL4030_PM_RECEIVER_VDAC_DEDICATED);
- }
-
--#define VMMC1_VSEL_30 0x02
--
- void twl4030_power_mmc_init(void)
- {
- unsigned char byte;
-@@ -113,3 +104,18 @@ void twl4030_power_mmc_init(void)
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte,
- TWL4030_PM_RECEIVER_VMMC1_DEDICATED);
- }
-+
-+/*
-+ * Generic function to select Device Group and Voltage
-+ */
-+void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val,
-+ u8 dev_grp, u8 dev_grp_sel)
-+{
-+ /* Select the Device Group */
-+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel,
-+ dev_grp);
-+
-+ /* Select the Voltage */
-+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val,
-+ vsel_reg);
-+}
-diff --git a/include/twl4030.h b/include/twl4030.h
-index f260ecb..b96c96c 100644
---- a/include/twl4030.h
-+++ b/include/twl4030.h
-@@ -359,6 +359,22 @@
- #define TWL4030_USB_PHY_DPLL_CLK (1 << 0)
-
- /*
-+ * Voltage Selection in PM Receiver Module
-+ */
-+#define VAUX2_VSEL_18 0x05
-+#define VDD1_VSEL_14 0x40
-+#define VAUX3_VSEL_28 0x03
-+#define VPLL2_VSEL_18 0x05
-+#define VDAC_VSEL_18 0x03
-+#define VMMC1_VSEL_30 0x02
-+
-+/*
-+ * Device Selection
-+ */
-+#define DEV_GRP_P1 0x20
-+#define DEV_GRP_ALL 0xE0
-+
-+/*
- * Convience functions to read and write from TWL4030
- *
- * chip_no is the i2c address, it must be one of the chip addresses
---
-1.5.6.3
-
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