[U-Boot] [PATCH 0/3] ARM: OMAP: replace custom sr32() by standard I/O accessors

This patch series replaces the custom bit manipulation function sr32() by standard I/O accessors. A major motivation for this cleanup was the fact that a number of calls of that function resulted in 32 bit wide shift operations on u32 data, which according to the C-ISO IEC-9899-Standard provokes undefined behaviour:
6.5.7 Bitwise shift operators ... If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined.
The code was built-tested for all TI boards (using "./MAKEALL -v ti") without errors or warnings.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net
Wolfgang Denk (3): ARM: OMAP: remove sr32() from OMAP board code ARM: OMAP: hide custom bit manipulation function sr32() ARM: OMAP: replace custom sr32() by standard I/O accessors
arch/arm/cpu/armv7/omap3/board.c | 4 +- arch/arm/cpu/armv7/omap3/clock.c | 354 ++++++++++++++++------------ arch/arm/cpu/armv7/syslib.c | 13 - arch/arm/include/asm/arch-omap3/sys_proto.h | 1 - arch/arm/include/asm/arch-omap4/sys_proto.h | 1 - arch/arm/include/asm/arch-omap5/sys_proto.h | 1 - board/ti/panda/panda.c | 2 +- 7 files changed, 207 insertions(+), 169 deletions(-)

Replace the custom sr32() bit manipulation function in arch/arm/cpu/armv7/omap3/board.c and board/ti/panda/panda.c by standard I/O accessors.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/cpu/armv7/omap3/board.c | 4 ++-- board/ti/panda/panda.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 2922816..9bb1a1c 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -290,8 +290,8 @@ void watchdog_init(void) * should not be running and does not generate a PRCM reset. */
- sr32(&prcm_base->fclken_wkup, 5, 1, 1); - sr32(&prcm_base->iclken_wkup, 5, 1, 1); + setbits_le32(&prcm_base->fclken_wkup, 0x20); + setbits_le32(&prcm_base->iclken_wkup, 0x20); wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
writel(WD_UNLOCK1, &wd2_base->wspr); diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c index 5ab6db9..ec42faf 100644 --- a/board/ti/panda/panda.c +++ b/board/ti/panda/panda.c @@ -308,7 +308,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, /* Now we can enable our port clocks */ utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; - sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk); + setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL,utmi_clk);
ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); if (ret < 0)

The only remaining user of the custom bit manipulation function sr32() is arch/arm/cpu/armv7/omap3/clock.c, so make it a static function in that file to prepare complete removal.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/cpu/armv7/omap3/clock.c | 13 +++++++++++++ arch/arm/cpu/armv7/syslib.c | 13 ------------- arch/arm/include/asm/arch-omap3/sys_proto.h | 1 - arch/arm/include/asm/arch-omap4/sys_proto.h | 1 - arch/arm/include/asm/arch-omap5/sys_proto.h | 1 - 5 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 1bc27bd..16e6c5f 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -21,6 +21,19 @@ #include <environment.h> #include <command.h>
+/* + * sr32 - clear & set a value in a bit range for a 32 bit address + */ +static inline void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) +{ + u32 tmp, msk = 0; + msk = 1 << num_bits; + --msk; + tmp = readl((u32)addr) & ~(msk << start_bit); + tmp |= value << start_bit; + writel(tmp, (u32)addr); +} + /****************************************************************************** * get_sys_clk_speed() - determine reference oscillator speed * based on known 32kHz clock and gptimer. diff --git a/arch/arm/cpu/armv7/syslib.c b/arch/arm/cpu/armv7/syslib.c index caf9fbc..4ae2596 100644 --- a/arch/arm/cpu/armv7/syslib.c +++ b/arch/arm/cpu/armv7/syslib.c @@ -24,19 +24,6 @@ void sdelay(unsigned long loops) "bne 1b":"=r" (loops):"0"(loops)); }
-/***************************************************************** - * sr32 - clear & set a value in a bit range for a 32 bit address - *****************************************************************/ -void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - /********************************************************************* * wait_on_value() - common routine to allow waiting for changes in * volatile regs. diff --git a/arch/arm/include/asm/arch-omap3/sys_proto.h b/arch/arm/include/asm/arch-omap3/sys_proto.h index 44fa66f..10300f4 100644 --- a/arch/arm/include/asm/arch-omap3/sys_proto.h +++ b/arch/arm/include/asm/arch-omap3/sys_proto.h @@ -62,7 +62,6 @@ void secureworld_exit(void); void try_unlock_memory(void); u32 get_boot_type(void); void invalidate_dcache(u32); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void make_cs1_contiguous(void); diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index b338a15..80172f3 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -31,7 +31,6 @@ void watchdog_init(void); u32 get_device_type(void); void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); void set_muxconf_regs_essential(void); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void set_pl310_ctrl_reg(u32 val); diff --git a/arch/arm/include/asm/arch-omap5/sys_proto.h b/arch/arm/include/asm/arch-omap5/sys_proto.h index 9e007c8..bf12c73 100644 --- a/arch/arm/include/asm/arch-omap5/sys_proto.h +++ b/arch/arm/include/asm/arch-omap5/sys_proto.h @@ -32,7 +32,6 @@ void watchdog_init(void); u32 get_device_type(void); void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); void set_muxconf_regs_essential(void); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void setup_clocks_for_console(void);

Replace the custom bit manipulation function sr32() by standard I/O accessors. A major motivation for this cleanup was the fact, that a number of calls of that function resulted in 32 bit wide shift operations on u32 data, which according to the C-ISO/IEC-9899-Standard provokes undefined behaviour:
6.5.7 Bitwise shift operators ... If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- arch/arm/cpu/armv7/omap3/clock.c | 367 ++++++++++++++++++++++----------------- 1 file changed, 204 insertions(+), 163 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 16e6c5f..226f846 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -21,19 +21,6 @@ #include <environment.h> #include <command.h>
-/* - * sr32 - clear & set a value in a bit range for a 32 bit address - */ -static inline void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - /****************************************************************************** * get_sys_clk_speed() - determine reference oscillator speed * based on known 32kHz clock and gptimer. @@ -145,9 +132,8 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) if (xip_safe) { /* * CORE DPLL - * sr32(CM_CLKSEL2_EMU) set override to work when asleep */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll, 0x7, PLL_FAST_RELOCK_BYPASS); wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
@@ -157,37 +143,50 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) */
/* CM_CLKSEL1_EMU[DIV_DPLL3] */ - sr32(&prcm_base->clksel1_emu, 16, 5, (CORE_M3X2 + 1)) ; - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, (CORE_M3X2 + 1) << 16) ; + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, CORE_M3X2 << 16);
/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0xF8000000, ptr->m2 << 27);
/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x07FF0000, ptr->m << 16);
/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x00007F00, ptr->n << 8);
/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&prcm_base->clksel1_pll, 6, 1, 0); + clrbits_le32(&prcm_base->clksel1_pll, 0x00000040);
/* SSI */ - sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000003, CORE_L3_DIV); /* GFX */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); + clrsetbits_le32(&prcm_base->clksel_gfx, + 0x00000007, GFX_DIV); /* RESET MGR */ - sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); + clrsetbits_le32(&prcm_base->clksel_wkup, + 0x00000006, WKUP_RSM << 1); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, + 0x000000F0, ptr->fsel << 4); /* LOCK MODE */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_LOCK);
wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, LDELAY); @@ -199,29 +198,29 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) f_lock_pll = (void *) (SRAM_CLK_CODE);
p0 = readl(&prcm_base->clken_pll); - sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&p0, 0x00000007, PLL_FAST_RELOCK_BYPASS); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&p0, 4, 4, ptr->fsel); + clrsetbits_le32(&p0, 0x000000F0, ptr->fsel << 4);
p1 = readl(&prcm_base->clksel1_pll); /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&p1, 27, 5, ptr->m2); + clrsetbits_le32(&p1, 0xF8000000, ptr->m2 << 27); /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&p1, 16, 11, ptr->m); + clrsetbits_le32(&p1, 0x07FF0000, ptr->m << 16); /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&p1, 8, 7, ptr->n); + clrsetbits_le32(&p1, 0x00007F00, ptr->n << 8); /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&p1, 6, 1, 0); + clrbits_le32(&p1, 0x00000040);
p2 = readl(&prcm_base->clksel_core); /* SSI */ - sr32(&p2, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&p2, 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&p2, 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&p2, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&p2, 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&p2, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&p2, 0x00000003, CORE_L3_DIV);
p3 = (u32)&prcm_base->idlest_ckgen;
@@ -238,7 +237,7 @@ static void dpll4_init_34xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_STOP << 16); wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* @@ -247,33 +246,38 @@ static void dpll4_init_34xx(u32 sil_index, u32 clk_index) * and then the actual divisor value */ /* M6 */ - sr32(&prcm_base->clksel1_emu, 24, 5, (PER_M6X2 + 1)); - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x1F000000, (PER_M6X2 + 1) << 24); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x1F000000, PER_M6X2 << 24); /* M5 */ - sr32(&prcm_base->clksel_cam, 0, 5, (PER_M5X2 + 1)); - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000001F, (PER_M5X2 + 1)); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000001F, PER_M5X2); /* M4 */ - sr32(&prcm_base->clksel_dss, 0, 5, (PER_M4X2 + 1)); - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000001F, (PER_M4X2 + 1)); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000001F, PER_M4X2); /* M3 */ - sr32(&prcm_base->clksel_dss, 8, 5, (PER_M3X2 + 1)); - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); + clrsetbits_le32(&prcm_base->clksel_dss, + 0x00001F00, (PER_M3X2 + 1) << 8); + clrsetbits_le32(&prcm_base->clksel_dss, + 0x00001F00, PER_M3X2 << 8); /* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ - sr32(&prcm_base->clksel3_pll, 0, 5, (ptr->m2 + 1)); - sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, (ptr->m2 + 1)); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, ptr->m2); /* Workaround end */
/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:18] */ - sr32(&prcm_base->clksel2_pll, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel2_pll, + 0x0007FF00, ptr->m << 8);
/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ - sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x0000007F, ptr->n);
/* FREQSEL (PERIPH_DPLL_FREQSEL): CM_CLKEN_PLL[20:23] */ - sr32(&prcm_base->clken_pll, 20, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, 0x00F00000, ptr->fsel << 20);
/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_LOCK << 16); wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); }
@@ -286,13 +290,18 @@ static void dpll5_init_34xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* PER2 DPLL (DPLL5) */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_STOP); wait_on_value(1, 0, &prcm_base->idlest2_ckgen, LDELAY); - sr32(&prcm_base->clksel5_pll, 0, 5, ptr->m2); /* set M2 (usbtll_fck) */ - sr32(&prcm_base->clksel4_pll, 8, 11, ptr->m); /* set m (11-bit multiplier) */ - sr32(&prcm_base->clksel4_pll, 0, 7, ptr->n); /* set n (7-bit divider)*/ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); /* FREQSEL */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_LOCK); /* lock mode */ + /* set M2 (usbtll_fck) */ + clrsetbits_le32(&prcm_base->clksel5_pll, 0x0000001F, ptr->m2); + /* set m (11-bit multiplier) */ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0007FF00, ptr->m << 8); + /* set n (7-bit divider)*/ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0000007F, ptr->n); + /* FREQSEL */ + clrsetbits_le32(&prcm_base->clken_pll, 0x000000F0, ptr->fsel << 4); + /* lock mode */ + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_LOCK); wait_on_value(1, 1, &prcm_base->idlest2_ckgen, LDELAY); }
@@ -307,16 +316,20 @@ static void mpu_init_34xx(u32 sil_index, u32 clk_index) /* MPU DPLL (unlocked already) */
/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_mpu, + 0x0000001F, ptr->m2);
/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, + 0x0007FF00, ptr->m << 8);
/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, + 0x0000007F, ptr->n);
/* FREQSEL (MPU_DPLL_FREQSEL) : CM_CLKEN_PLL_MPU[4:7] */ - sr32(&prcm_base->clken_pll_mpu, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x000000F0, ptr->fsel << 4); }
static void iva_init_34xx(u32 sil_index, u32 clk_index) @@ -329,23 +342,29 @@ static void iva_init_34xx(u32 sil_index, u32 clk_index)
/* IVA DPLL */ /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x00000007, PLL_STOP); wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_iva2, + 0x0000001F, ptr->m2);
/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, + 0x0007FF00, ptr->m << 8);
/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, + 0x0000007F, ptr->n);
/* FREQSEL (IVA2_DPLL_FREQSEL) : CM_CLKEN_PLL_IVA2[4:7] */ - sr32(&prcm_base->clken_pll_iva2, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x000000F0, ptr->fsel << 4);
/* LOCK MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x00000007, PLL_LOCK);
wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); } @@ -370,41 +389,54 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index) /* CORE DPLL */
/* Select relock bypass: CM_CLKEN_PLL[0:2] */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_FAST_RELOCK_BYPASS); wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* CM_CLKSEL1_EMU[DIV_DPLL3] */ - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, CORE_M3X2 << 16);
/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0xF8000000, ptr->m2 << 27);
/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x07FF0000, ptr->m << 16);
/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x00007F00, ptr->n << 8);
/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&prcm_base->clksel1_pll, 6, 1, 0); + clrbits_le32(&prcm_base->clksel1_pll, 0x00000040);
/* SSI */ - sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000003, CORE_L3_DIV); /* GFX */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV_36X); + clrsetbits_le32(&prcm_base->clksel_gfx, + 0x00000007, GFX_DIV_36X); /* RESET MGR */ - sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); + clrsetbits_le32(&prcm_base->clksel_wkup, + 0x00000006, WKUP_RSM << 1); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, + 0x000000F0, ptr->fsel << 4); /* LOCK MODE */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_LOCK);
wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, LDELAY); @@ -416,29 +448,29 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index) f_lock_pll = (void *) (SRAM_CLK_CODE);
p0 = readl(&prcm_base->clken_pll); - sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&p0, 0x00000007, PLL_FAST_RELOCK_BYPASS); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&p0, 4, 4, ptr->fsel); + clrsetbits_le32(&p0, 0x000000F0, ptr->fsel << 4);
p1 = readl(&prcm_base->clksel1_pll); /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&p1, 27, 5, ptr->m2); + clrsetbits_le32(&p1, 0xF8000000, ptr->m2 << 27); /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&p1, 16, 11, ptr->m); + clrsetbits_le32(&p1, 0x07FF0000, ptr->m << 16); /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&p1, 8, 7, ptr->n); + clrsetbits_le32(&p1, 0x00007F00, ptr->n << 8); /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&p1, 6, 1, 0); + clrbits_le32(&p1, 0x00000040);
p2 = readl(&prcm_base->clksel_core); /* SSI */ - sr32(&p2, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&p2, 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&p2, 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&p2, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&p2, 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&p2, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&p2, 0x00000003, CORE_L3_DIV);
p3 = (u32)&prcm_base->idlest_ckgen;
@@ -457,35 +489,35 @@ static void dpll4_init_36xx(u32 sil_index, u32 clk_index) ptr += clk_index;
/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_STOP << 16); wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* M6 (DIV_DPLL4): CM_CLKSEL1_EMU[24:29] */ - sr32(&prcm_base->clksel1_emu, 24, 6, ptr->m6); + clrsetbits_le32(&prcm_base->clksel1_emu, 0x3F000000, ptr->m6 << 24);
/* M5 (CLKSEL_CAM): CM_CLKSEL1_EMU[0:5] */ - sr32(&prcm_base->clksel_cam, 0, 6, ptr->m5); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000003F, ptr->m5);
/* M4 (CLKSEL_DSS1): CM_CLKSEL_DSS[0:5] */ - sr32(&prcm_base->clksel_dss, 0, 6, ptr->m4); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000003F, ptr->m4);
/* M3 (CLKSEL_DSS1): CM_CLKSEL_DSS[8:13] */ - sr32(&prcm_base->clksel_dss, 8, 6, ptr->m3); + clrsetbits_le32(&prcm_base->clksel_dss, 0x00003F00, ptr->m3 << 8);
/* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ - sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, ptr->m2);
/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:19] */ - sr32(&prcm_base->clksel2_pll, 8, 12, ptr->m); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x000FFF00, ptr->m << 8);
/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ - sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x0000007F, ptr->n);
/* M2DIV (CLKSEL_96M): CM_CLKSEL_CORE[12:13] */ - sr32(&prcm_base->clksel_core, 12, 2, ptr->m2div); + clrsetbits_le32(&prcm_base->clksel_core, 0x00003000, ptr->m2div << 12);
/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_LOCK << 16); wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); }
@@ -498,12 +530,16 @@ static void dpll5_init_36xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* PER2 DPLL (DPLL5) */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_STOP); wait_on_value(1, 0, &prcm_base->idlest2_ckgen, LDELAY); - sr32(&prcm_base->clksel5_pll, 0, 5, ptr->m2); /* set M2 (usbtll_fck) */ - sr32(&prcm_base->clksel4_pll, 8, 11, ptr->m); /* set m (11-bit multiplier) */ - sr32(&prcm_base->clksel4_pll, 0, 7, ptr->n); /* set n (7-bit divider)*/ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_LOCK); /* lock mode */ + /* set M2 (usbtll_fck) */ + clrsetbits_le32(&prcm_base->clksel5_pll, 0x0000001F, ptr->m2); + /* set m (11-bit multiplier) */ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0007FF00, ptr->m << 8); + /* set n (7-bit divider)*/ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0000007F, ptr->n); + /* lock mode */ + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_LOCK); wait_on_value(1, 1, &prcm_base->idlest2_ckgen, LDELAY); }
@@ -518,13 +554,13 @@ static void mpu_init_36xx(u32 sil_index, u32 clk_index) /* MPU DPLL (unlocked already */
/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_mpu, 0x0000001F, ptr->m2);
/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, 0x0007FF00, ptr->m << 8);
/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, 0x0000007F, ptr->n); }
static void iva_init_36xx(u32 sil_index, u32 clk_index) @@ -537,20 +573,20 @@ static void iva_init_36xx(u32 sil_index, u32 clk_index)
/* IVA DPLL */ /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll_iva2, 0x00000007, PLL_STOP); wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_iva2, 0x0000001F, ptr->m2);
/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, 0x0007FF00, ptr->m << 8);
/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, 0x0000007F, ptr->n);
/* LOCK (MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_iva2, 0x00000007, PLL_LOCK);
wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); } @@ -574,16 +610,16 @@ void prcm_init(void) get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
/* set input crystal speed */ - sr32(&prm_base->clksel, 0, 3, sys_clkin_sel); + clrsetbits_le32(&prm_base->clksel, 0x00000007, sys_clkin_sel);
/* If the input clock is greater than 19.2M always divide/2 */ if (sys_clkin_sel > 2) { /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 2); + clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 2 << 6); clk_index = sys_clkin_sel / 2; } else { /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 1); + clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 1 << 6); clk_index = sys_clkin_sel; }
@@ -600,12 +636,14 @@ void prcm_init(void) * input divider to /1 as it should never set to /6.5 * in this case. */ - if (sys_clkin_sel != 1) /* 13 MHz */ + if (sys_clkin_sel != 1) { /* 13 MHz */ /* Bit 8: DPLL4_CLKINP_DIV */ - sr32(&prm_base->clksrc_ctrl, 8, 1, 0); + clrbits_le32(&prm_base->clksrc_ctrl, 0x00000100); + }
/* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOW_POWER_BYPASS); wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
@@ -616,7 +654,8 @@ void prcm_init(void) mpu_init_36xx(0, clk_index);
/* Lock MPU DPLL to set frequency */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOCK); wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); } else { @@ -633,7 +672,8 @@ void prcm_init(void) sil_index = 1;
/* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOW_POWER_BYPASS); wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
@@ -646,14 +686,15 @@ void prcm_init(void) mpu_init_34xx(sil_index, clk_index);
/* Lock MPU DPLL to set frequency */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOCK); wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); }
/* Set up GPTimers to sys_clk source only */ - sr32(&prcm_base->clksel_per, 0, 8, 0xff); - sr32(&prcm_base->clksel_wkup, 0, 1, 1); + setbits_le32(&prcm_base->clksel_per, 0x000000FF); + setbits_le32(&prcm_base->clksel_wkup, 1);
sdelay(5000); } @@ -666,16 +707,16 @@ void ehci_clocks_enable(void) struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
/* Enable USBHOST_L3_ICLK (USBHOST_MICLK) */ - sr32(&prcm_base->iclken_usbhost, 0, 1, 1); + setbits_le32(&prcm_base->iclken_usbhost, 1); /* * Enable USBHOST_48M_FCLK (USBHOST_FCLK1) * and USBHOST_120M_FCLK (USBHOST_FCLK2) */ - sr32(&prcm_base->fclken_usbhost, 0, 2, 3); + setbits_le32(&prcm_base->fclken_usbhost, 0x00000003); /* Enable USBTTL_ICLK */ - sr32(&prcm_base->iclken3_core, 2, 1, 1); + setbits_le32(&prcm_base->iclken3_core, 0x00000004); /* Enable USBTTL_FCLK */ - sr32(&prcm_base->fclken3_core, 2, 1, 1); + setbits_le32(&prcm_base->fclken3_core, 0x00000004); }
/****************************************************************************** @@ -686,62 +727,62 @@ void per_clocks_enable(void) struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
/* Enable GP2 timer. */ - sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */ - sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */ - sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */ + setbits_le32(&prcm_base->clksel_per, 0x01); /* GPT2 = sys clk */ + setbits_le32(&prcm_base->iclken_per, 0x08); /* ICKen GPT2 */ + setbits_le32(&prcm_base->fclken_per, 0x08); /* FCKen GPT2 */
#ifdef CONFIG_SYS_NS16550 /* Enable UART1 clocks */ - sr32(&prcm_base->fclken1_core, 13, 1, 0x1); - sr32(&prcm_base->iclken1_core, 13, 1, 0x1); + setbits_le32(&prcm_base->fclken1_core, 0x00002000); + setbits_le32(&prcm_base->iclken1_core, 0x00002000);
/* UART 3 Clocks */ - sr32(&prcm_base->fclken_per, 11, 1, 0x1); - sr32(&prcm_base->iclken_per, 11, 1, 0x1); + setbits_le32(&prcm_base->fclken_per, 0x00000800); + setbits_le32(&prcm_base->iclken_per, 0x00000800); #endif
#ifdef CONFIG_OMAP3_GPIO_2 - sr32(&prcm_base->fclken_per, 13, 1, 1); - sr32(&prcm_base->iclken_per, 13, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00002000); + setbits_le32(&prcm_base->iclken_per, 0x00002000); #endif #ifdef CONFIG_OMAP3_GPIO_3 - sr32(&prcm_base->fclken_per, 14, 1, 1); - sr32(&prcm_base->iclken_per, 14, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00004000); + setbits_le32(&prcm_base->iclken_per, 0x00004000); #endif #ifdef CONFIG_OMAP3_GPIO_4 - sr32(&prcm_base->fclken_per, 15, 1, 1); - sr32(&prcm_base->iclken_per, 15, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00008000); + setbits_le32(&prcm_base->iclken_per, 0x00008000); #endif #ifdef CONFIG_OMAP3_GPIO_5 - sr32(&prcm_base->fclken_per, 16, 1, 1); - sr32(&prcm_base->iclken_per, 16, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00010000); + setbits_le32(&prcm_base->iclken_per, 0x00010000); #endif #ifdef CONFIG_OMAP3_GPIO_6 - sr32(&prcm_base->fclken_per, 17, 1, 1); - sr32(&prcm_base->iclken_per, 17, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00020000); + setbits_le32(&prcm_base->iclken_per, 0x00020000); #endif
#ifdef CONFIG_SYS_I2C_OMAP34XX /* Turn on all 3 I2C clocks */ - sr32(&prcm_base->fclken1_core, 15, 3, 0x7); - sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */ + setbits_le32(&prcm_base->fclken1_core, 0x00038000); + setbits_le32(&prcm_base->iclken1_core, 0x00038000); /* I2C1,2,3 = on */ #endif /* Enable the ICLK for 32K Sync Timer as its used in udelay */ - sr32(&prcm_base->iclken_wkup, 2, 1, 0x1); + setbits_le32(&prcm_base->iclken_wkup, 0x00000004);
if (get_cpu_family() != CPU_AM35XX) - sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON); - - sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON); - sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON); - sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON); - sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON); - sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON); - sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON); - sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON); + out_le32(&prcm_base->fclken_iva2, FCK_IVA2_ON); + + out_le32(&prcm_base->fclken1_core, FCK_CORE1_ON); + out_le32(&prcm_base->iclken1_core, ICK_CORE1_ON); + out_le32(&prcm_base->iclken2_core, ICK_CORE2_ON); + out_le32(&prcm_base->fclken_wkup, FCK_WKUP_ON); + out_le32(&prcm_base->iclken_wkup, ICK_WKUP_ON); + out_le32(&prcm_base->fclken_dss, FCK_DSS_ON); + out_le32(&prcm_base->iclken_dss, ICK_DSS_ON); if (get_cpu_family() != CPU_AM35XX) { - sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON); - sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON); + out_le32(&prcm_base->fclken_cam, FCK_CAM_ON); + out_le32(&prcm_base->iclken_cam, ICK_CAM_ON); }
sdelay(1000);

This patch series replaces the custom bit manipulation function sr32() by standard I/O accessors. A major motivation for this cleanup was the fact that a number of calls of that function resulted in 32 bit wide shift operations on u32 data, which according to the C-ISO IEC-9899-Standard provokes undefined behaviour:
6.5.7 Bitwise shift operators ... If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined.
The code was built-tested for all TI boards (using "./MAKEALL -v ti") without errors or warnings.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net
Wolfgang Denk (3): ARM: OMAP: remove sr32() from OMAP board code ARM: OMAP: hide custom bit manipulation function sr32() ARM: OMAP: replace custom sr32() by standard I/O accessors
arch/arm/cpu/armv7/omap3/board.c | 4 +- arch/arm/cpu/armv7/omap3/clock.c | 355 ++++++++++++++++------------ arch/arm/cpu/armv7/syslib.c | 13 - arch/arm/include/asm/arch-omap3/sys_proto.h | 1 - arch/arm/include/asm/arch-omap4/sys_proto.h | 1 - arch/arm/include/asm/arch-omap5/sys_proto.h | 1 - board/ti/panda/panda.c | 2 +- 7 files changed, 208 insertions(+), 169 deletions(-)

Replace the custom sr32() bit manipulation function in arch/arm/cpu/armv7/omap3/board.c and board/ti/panda/panda.c by standard I/O accessors.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- V2: fix checkpatch issues
arch/arm/cpu/armv7/omap3/board.c | 4 ++-- board/ti/panda/panda.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 2922816..9bb1a1c 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -290,8 +290,8 @@ void watchdog_init(void) * should not be running and does not generate a PRCM reset. */
- sr32(&prcm_base->fclken_wkup, 5, 1, 1); - sr32(&prcm_base->iclken_wkup, 5, 1, 1); + setbits_le32(&prcm_base->fclken_wkup, 0x20); + setbits_le32(&prcm_base->iclken_wkup, 0x20); wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
writel(WD_UNLOCK1, &wd2_base->wspr); diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c index 5ab6db9..0dfb4ad 100644 --- a/board/ti/panda/panda.c +++ b/board/ti/panda/panda.c @@ -308,7 +308,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, /* Now we can enable our port clocks */ utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; - sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk); + setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, utmi_clk);
ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); if (ret < 0)

The only remaining user of the custom bit manipulation function sr32() is arch/arm/cpu/armv7/omap3/clock.c, so make it a static function in that file to prepare complete removal.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- V2: fix checkpatch issues
arch/arm/cpu/armv7/omap3/clock.c | 13 +++++++++++++ arch/arm/cpu/armv7/syslib.c | 13 ------------- arch/arm/include/asm/arch-omap3/sys_proto.h | 1 - arch/arm/include/asm/arch-omap4/sys_proto.h | 1 - arch/arm/include/asm/arch-omap5/sys_proto.h | 1 - 5 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 1bc27bd..16e6c5f 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -21,6 +21,19 @@ #include <environment.h> #include <command.h>
+/* + * sr32 - clear & set a value in a bit range for a 32 bit address + */ +static inline void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) +{ + u32 tmp, msk = 0; + msk = 1 << num_bits; + --msk; + tmp = readl((u32)addr) & ~(msk << start_bit); + tmp |= value << start_bit; + writel(tmp, (u32)addr); +} + /****************************************************************************** * get_sys_clk_speed() - determine reference oscillator speed * based on known 32kHz clock and gptimer. diff --git a/arch/arm/cpu/armv7/syslib.c b/arch/arm/cpu/armv7/syslib.c index caf9fbc..4ae2596 100644 --- a/arch/arm/cpu/armv7/syslib.c +++ b/arch/arm/cpu/armv7/syslib.c @@ -24,19 +24,6 @@ void sdelay(unsigned long loops) "bne 1b":"=r" (loops):"0"(loops)); }
-/***************************************************************** - * sr32 - clear & set a value in a bit range for a 32 bit address - *****************************************************************/ -void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - /********************************************************************* * wait_on_value() - common routine to allow waiting for changes in * volatile regs. diff --git a/arch/arm/include/asm/arch-omap3/sys_proto.h b/arch/arm/include/asm/arch-omap3/sys_proto.h index 44fa66f..10300f4 100644 --- a/arch/arm/include/asm/arch-omap3/sys_proto.h +++ b/arch/arm/include/asm/arch-omap3/sys_proto.h @@ -62,7 +62,6 @@ void secureworld_exit(void); void try_unlock_memory(void); u32 get_boot_type(void); void invalidate_dcache(u32); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void make_cs1_contiguous(void); diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index b338a15..80172f3 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -31,7 +31,6 @@ void watchdog_init(void); u32 get_device_type(void); void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); void set_muxconf_regs_essential(void); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void set_pl310_ctrl_reg(u32 val); diff --git a/arch/arm/include/asm/arch-omap5/sys_proto.h b/arch/arm/include/asm/arch-omap5/sys_proto.h index 9e007c8..bf12c73 100644 --- a/arch/arm/include/asm/arch-omap5/sys_proto.h +++ b/arch/arm/include/asm/arch-omap5/sys_proto.h @@ -32,7 +32,6 @@ void watchdog_init(void); u32 get_device_type(void); void do_set_mux(u32 base, struct pad_conf_entry const *array, int size); void set_muxconf_regs_essential(void); -void sr32(void *, u32, u32, u32); u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void setup_clocks_for_console(void);

Replace the custom bit manipulation function sr32() by standard I/O accessors. A major motivation for this cleanup was the fact, that a number of calls of that function resulted in 32 bit wide shift operations on u32 data, which according to the C-ISO/IEC-9899-Standard provokes undefined behaviour:
6.5.7 Bitwise shift operators ... If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- V2: fix checkpatch issues
arch/arm/cpu/armv7/omap3/clock.c | 368 ++++++++++++++++++++++----------------- 1 file changed, 205 insertions(+), 163 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 16e6c5f..529ad9a 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -21,19 +21,6 @@ #include <environment.h> #include <command.h>
-/* - * sr32 - clear & set a value in a bit range for a 32 bit address - */ -static inline void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - /****************************************************************************** * get_sys_clk_speed() - determine reference oscillator speed * based on known 32kHz clock and gptimer. @@ -145,9 +132,9 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) if (xip_safe) { /* * CORE DPLL - * sr32(CM_CLKSEL2_EMU) set override to work when asleep */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_FAST_RELOCK_BYPASS); wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
@@ -157,37 +144,50 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) */
/* CM_CLKSEL1_EMU[DIV_DPLL3] */ - sr32(&prcm_base->clksel1_emu, 16, 5, (CORE_M3X2 + 1)) ; - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, (CORE_M3X2 + 1) << 16) ; + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, CORE_M3X2 << 16);
/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0xF8000000, ptr->m2 << 27);
/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x07FF0000, ptr->m << 16);
/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x00007F00, ptr->n << 8);
/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&prcm_base->clksel1_pll, 6, 1, 0); + clrbits_le32(&prcm_base->clksel1_pll, 0x00000040);
/* SSI */ - sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000003, CORE_L3_DIV); /* GFX */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); + clrsetbits_le32(&prcm_base->clksel_gfx, + 0x00000007, GFX_DIV); /* RESET MGR */ - sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); + clrsetbits_le32(&prcm_base->clksel_wkup, + 0x00000006, WKUP_RSM << 1); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, + 0x000000F0, ptr->fsel << 4); /* LOCK MODE */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_LOCK);
wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, LDELAY); @@ -199,29 +199,29 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) f_lock_pll = (void *) (SRAM_CLK_CODE);
p0 = readl(&prcm_base->clken_pll); - sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&p0, 0x00000007, PLL_FAST_RELOCK_BYPASS); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&p0, 4, 4, ptr->fsel); + clrsetbits_le32(&p0, 0x000000F0, ptr->fsel << 4);
p1 = readl(&prcm_base->clksel1_pll); /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&p1, 27, 5, ptr->m2); + clrsetbits_le32(&p1, 0xF8000000, ptr->m2 << 27); /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&p1, 16, 11, ptr->m); + clrsetbits_le32(&p1, 0x07FF0000, ptr->m << 16); /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&p1, 8, 7, ptr->n); + clrsetbits_le32(&p1, 0x00007F00, ptr->n << 8); /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&p1, 6, 1, 0); + clrbits_le32(&p1, 0x00000040);
p2 = readl(&prcm_base->clksel_core); /* SSI */ - sr32(&p2, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&p2, 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&p2, 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&p2, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&p2, 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&p2, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&p2, 0x00000003, CORE_L3_DIV);
p3 = (u32)&prcm_base->idlest_ckgen;
@@ -238,7 +238,7 @@ static void dpll4_init_34xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_STOP << 16); wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* @@ -247,33 +247,38 @@ static void dpll4_init_34xx(u32 sil_index, u32 clk_index) * and then the actual divisor value */ /* M6 */ - sr32(&prcm_base->clksel1_emu, 24, 5, (PER_M6X2 + 1)); - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x1F000000, (PER_M6X2 + 1) << 24); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x1F000000, PER_M6X2 << 24); /* M5 */ - sr32(&prcm_base->clksel_cam, 0, 5, (PER_M5X2 + 1)); - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000001F, (PER_M5X2 + 1)); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000001F, PER_M5X2); /* M4 */ - sr32(&prcm_base->clksel_dss, 0, 5, (PER_M4X2 + 1)); - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000001F, (PER_M4X2 + 1)); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000001F, PER_M4X2); /* M3 */ - sr32(&prcm_base->clksel_dss, 8, 5, (PER_M3X2 + 1)); - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); + clrsetbits_le32(&prcm_base->clksel_dss, + 0x00001F00, (PER_M3X2 + 1) << 8); + clrsetbits_le32(&prcm_base->clksel_dss, + 0x00001F00, PER_M3X2 << 8); /* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ - sr32(&prcm_base->clksel3_pll, 0, 5, (ptr->m2 + 1)); - sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, (ptr->m2 + 1)); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, ptr->m2); /* Workaround end */
/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:18] */ - sr32(&prcm_base->clksel2_pll, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel2_pll, + 0x0007FF00, ptr->m << 8);
/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ - sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x0000007F, ptr->n);
/* FREQSEL (PERIPH_DPLL_FREQSEL): CM_CLKEN_PLL[20:23] */ - sr32(&prcm_base->clken_pll, 20, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, 0x00F00000, ptr->fsel << 20);
/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_LOCK << 16); wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); }
@@ -286,13 +291,18 @@ static void dpll5_init_34xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* PER2 DPLL (DPLL5) */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_STOP); wait_on_value(1, 0, &prcm_base->idlest2_ckgen, LDELAY); - sr32(&prcm_base->clksel5_pll, 0, 5, ptr->m2); /* set M2 (usbtll_fck) */ - sr32(&prcm_base->clksel4_pll, 8, 11, ptr->m); /* set m (11-bit multiplier) */ - sr32(&prcm_base->clksel4_pll, 0, 7, ptr->n); /* set n (7-bit divider)*/ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); /* FREQSEL */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_LOCK); /* lock mode */ + /* set M2 (usbtll_fck) */ + clrsetbits_le32(&prcm_base->clksel5_pll, 0x0000001F, ptr->m2); + /* set m (11-bit multiplier) */ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0007FF00, ptr->m << 8); + /* set n (7-bit divider)*/ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0000007F, ptr->n); + /* FREQSEL */ + clrsetbits_le32(&prcm_base->clken_pll, 0x000000F0, ptr->fsel << 4); + /* lock mode */ + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_LOCK); wait_on_value(1, 1, &prcm_base->idlest2_ckgen, LDELAY); }
@@ -307,16 +317,20 @@ static void mpu_init_34xx(u32 sil_index, u32 clk_index) /* MPU DPLL (unlocked already) */
/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_mpu, + 0x0000001F, ptr->m2);
/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, + 0x0007FF00, ptr->m << 8);
/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, + 0x0000007F, ptr->n);
/* FREQSEL (MPU_DPLL_FREQSEL) : CM_CLKEN_PLL_MPU[4:7] */ - sr32(&prcm_base->clken_pll_mpu, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x000000F0, ptr->fsel << 4); }
static void iva_init_34xx(u32 sil_index, u32 clk_index) @@ -329,23 +343,29 @@ static void iva_init_34xx(u32 sil_index, u32 clk_index)
/* IVA DPLL */ /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x00000007, PLL_STOP); wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_iva2, + 0x0000001F, ptr->m2);
/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, + 0x0007FF00, ptr->m << 8);
/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, + 0x0000007F, ptr->n);
/* FREQSEL (IVA2_DPLL_FREQSEL) : CM_CLKEN_PLL_IVA2[4:7] */ - sr32(&prcm_base->clken_pll_iva2, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x000000F0, ptr->fsel << 4);
/* LOCK MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_iva2, + 0x00000007, PLL_LOCK);
wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); } @@ -370,41 +390,54 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index) /* CORE DPLL */
/* Select relock bypass: CM_CLKEN_PLL[0:2] */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_FAST_RELOCK_BYPASS); wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* CM_CLKSEL1_EMU[DIV_DPLL3] */ - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); + clrsetbits_le32(&prcm_base->clksel1_emu, + 0x001F0000, CORE_M3X2 << 16);
/* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0xF8000000, ptr->m2 << 27);
/* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x07FF0000, ptr->m << 16);
/* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll, + 0x00007F00, ptr->n << 8);
/* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&prcm_base->clksel1_pll, 6, 1, 0); + clrbits_le32(&prcm_base->clksel1_pll, 0x00000040);
/* SSI */ - sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&prcm_base->clksel_core, + 0x00000003, CORE_L3_DIV); /* GFX */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV_36X); + clrsetbits_le32(&prcm_base->clksel_gfx, + 0x00000007, GFX_DIV_36X); /* RESET MGR */ - sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); + clrsetbits_le32(&prcm_base->clksel_wkup, + 0x00000006, WKUP_RSM << 1); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + clrsetbits_le32(&prcm_base->clken_pll, + 0x000000F0, ptr->fsel << 4); /* LOCK MODE */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, + 0x00000007, PLL_LOCK);
wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, LDELAY); @@ -416,29 +449,29 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index) f_lock_pll = (void *) (SRAM_CLK_CODE);
p0 = readl(&prcm_base->clken_pll); - sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); + clrsetbits_le32(&p0, 0x00000007, PLL_FAST_RELOCK_BYPASS); /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ - sr32(&p0, 4, 4, ptr->fsel); + clrsetbits_le32(&p0, 0x000000F0, ptr->fsel << 4);
p1 = readl(&prcm_base->clksel1_pll); /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ - sr32(&p1, 27, 5, ptr->m2); + clrsetbits_le32(&p1, 0xF8000000, ptr->m2 << 27); /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ - sr32(&p1, 16, 11, ptr->m); + clrsetbits_le32(&p1, 0x07FF0000, ptr->m << 16); /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ - sr32(&p1, 8, 7, ptr->n); + clrsetbits_le32(&p1, 0x00007F00, ptr->n << 8); /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ - sr32(&p1, 6, 1, 0); + clrbits_le32(&p1, 0x00000040);
p2 = readl(&prcm_base->clksel_core); /* SSI */ - sr32(&p2, 8, 4, CORE_SSI_DIV); + clrsetbits_le32(&p2, 0x00000F00, CORE_SSI_DIV << 8); /* FSUSB */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); + clrsetbits_le32(&p2, 0x00000030, CORE_FUSB_DIV << 4); /* L4 */ - sr32(&p2, 2, 2, CORE_L4_DIV); + clrsetbits_le32(&p2, 0x0000000C, CORE_L4_DIV << 2); /* L3 */ - sr32(&p2, 0, 2, CORE_L3_DIV); + clrsetbits_le32(&p2, 0x00000003, CORE_L3_DIV);
p3 = (u32)&prcm_base->idlest_ckgen;
@@ -457,35 +490,35 @@ static void dpll4_init_36xx(u32 sil_index, u32 clk_index) ptr += clk_index;
/* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_STOP << 16); wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY);
/* M6 (DIV_DPLL4): CM_CLKSEL1_EMU[24:29] */ - sr32(&prcm_base->clksel1_emu, 24, 6, ptr->m6); + clrsetbits_le32(&prcm_base->clksel1_emu, 0x3F000000, ptr->m6 << 24);
/* M5 (CLKSEL_CAM): CM_CLKSEL1_EMU[0:5] */ - sr32(&prcm_base->clksel_cam, 0, 6, ptr->m5); + clrsetbits_le32(&prcm_base->clksel_cam, 0x0000003F, ptr->m5);
/* M4 (CLKSEL_DSS1): CM_CLKSEL_DSS[0:5] */ - sr32(&prcm_base->clksel_dss, 0, 6, ptr->m4); + clrsetbits_le32(&prcm_base->clksel_dss, 0x0000003F, ptr->m4);
/* M3 (CLKSEL_DSS1): CM_CLKSEL_DSS[8:13] */ - sr32(&prcm_base->clksel_dss, 8, 6, ptr->m3); + clrsetbits_le32(&prcm_base->clksel_dss, 0x00003F00, ptr->m3 << 8);
/* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ - sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel3_pll, 0x0000001F, ptr->m2);
/* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:19] */ - sr32(&prcm_base->clksel2_pll, 8, 12, ptr->m); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x000FFF00, ptr->m << 8);
/* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ - sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel2_pll, 0x0000007F, ptr->n);
/* M2DIV (CLKSEL_96M): CM_CLKSEL_CORE[12:13] */ - sr32(&prcm_base->clksel_core, 12, 2, ptr->m2div); + clrsetbits_le32(&prcm_base->clksel_core, 0x00003000, ptr->m2div << 12);
/* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll, 0x00070000, PLL_LOCK << 16); wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); }
@@ -498,12 +531,16 @@ static void dpll5_init_36xx(u32 sil_index, u32 clk_index) ptr = ptr + clk_index;
/* PER2 DPLL (DPLL5) */ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_STOP); wait_on_value(1, 0, &prcm_base->idlest2_ckgen, LDELAY); - sr32(&prcm_base->clksel5_pll, 0, 5, ptr->m2); /* set M2 (usbtll_fck) */ - sr32(&prcm_base->clksel4_pll, 8, 11, ptr->m); /* set m (11-bit multiplier) */ - sr32(&prcm_base->clksel4_pll, 0, 7, ptr->n); /* set n (7-bit divider)*/ - sr32(&prcm_base->clken2_pll, 0, 3, PLL_LOCK); /* lock mode */ + /* set M2 (usbtll_fck) */ + clrsetbits_le32(&prcm_base->clksel5_pll, 0x0000001F, ptr->m2); + /* set m (11-bit multiplier) */ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0007FF00, ptr->m << 8); + /* set n (7-bit divider)*/ + clrsetbits_le32(&prcm_base->clksel4_pll, 0x0000007F, ptr->n); + /* lock mode */ + clrsetbits_le32(&prcm_base->clken2_pll, 0x00000007, PLL_LOCK); wait_on_value(1, 1, &prcm_base->idlest2_ckgen, LDELAY); }
@@ -518,13 +555,13 @@ static void mpu_init_36xx(u32 sil_index, u32 clk_index) /* MPU DPLL (unlocked already */
/* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_mpu, 0x0000001F, ptr->m2);
/* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, 0x0007FF00, ptr->m << 8);
/* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_mpu, 0x0000007F, ptr->n); }
static void iva_init_36xx(u32 sil_index, u32 clk_index) @@ -537,20 +574,20 @@ static void iva_init_36xx(u32 sil_index, u32 clk_index)
/* IVA DPLL */ /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); + clrsetbits_le32(&prcm_base->clken_pll_iva2, 0x00000007, PLL_STOP); wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY);
/* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + clrsetbits_le32(&prcm_base->clksel2_pll_iva2, 0x0000001F, ptr->m2);
/* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, 0x0007FF00, ptr->m << 8);
/* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + clrsetbits_le32(&prcm_base->clksel1_pll_iva2, 0x0000007F, ptr->n);
/* LOCK (MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_iva2, 0x00000007, PLL_LOCK);
wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); } @@ -574,16 +611,16 @@ void prcm_init(void) get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
/* set input crystal speed */ - sr32(&prm_base->clksel, 0, 3, sys_clkin_sel); + clrsetbits_le32(&prm_base->clksel, 0x00000007, sys_clkin_sel);
/* If the input clock is greater than 19.2M always divide/2 */ if (sys_clkin_sel > 2) { /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 2); + clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 2 << 6); clk_index = sys_clkin_sel / 2; } else { /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 1); + clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 1 << 6); clk_index = sys_clkin_sel; }
@@ -600,12 +637,14 @@ void prcm_init(void) * input divider to /1 as it should never set to /6.5 * in this case. */ - if (sys_clkin_sel != 1) /* 13 MHz */ + if (sys_clkin_sel != 1) { /* 13 MHz */ /* Bit 8: DPLL4_CLKINP_DIV */ - sr32(&prm_base->clksrc_ctrl, 8, 1, 0); + clrbits_le32(&prm_base->clksrc_ctrl, 0x00000100); + }
/* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOW_POWER_BYPASS); wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
@@ -616,7 +655,8 @@ void prcm_init(void) mpu_init_36xx(0, clk_index);
/* Lock MPU DPLL to set frequency */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOCK); wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); } else { @@ -633,7 +673,8 @@ void prcm_init(void) sil_index = 1;
/* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOW_POWER_BYPASS); wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY);
@@ -646,14 +687,15 @@ void prcm_init(void) mpu_init_34xx(sil_index, clk_index);
/* Lock MPU DPLL to set frequency */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + clrsetbits_le32(&prcm_base->clken_pll_mpu, + 0x00000007, PLL_LOCK); wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); }
/* Set up GPTimers to sys_clk source only */ - sr32(&prcm_base->clksel_per, 0, 8, 0xff); - sr32(&prcm_base->clksel_wkup, 0, 1, 1); + setbits_le32(&prcm_base->clksel_per, 0x000000FF); + setbits_le32(&prcm_base->clksel_wkup, 1);
sdelay(5000); } @@ -666,16 +708,16 @@ void ehci_clocks_enable(void) struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
/* Enable USBHOST_L3_ICLK (USBHOST_MICLK) */ - sr32(&prcm_base->iclken_usbhost, 0, 1, 1); + setbits_le32(&prcm_base->iclken_usbhost, 1); /* * Enable USBHOST_48M_FCLK (USBHOST_FCLK1) * and USBHOST_120M_FCLK (USBHOST_FCLK2) */ - sr32(&prcm_base->fclken_usbhost, 0, 2, 3); + setbits_le32(&prcm_base->fclken_usbhost, 0x00000003); /* Enable USBTTL_ICLK */ - sr32(&prcm_base->iclken3_core, 2, 1, 1); + setbits_le32(&prcm_base->iclken3_core, 0x00000004); /* Enable USBTTL_FCLK */ - sr32(&prcm_base->fclken3_core, 2, 1, 1); + setbits_le32(&prcm_base->fclken3_core, 0x00000004); }
/****************************************************************************** @@ -686,62 +728,62 @@ void per_clocks_enable(void) struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
/* Enable GP2 timer. */ - sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */ - sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */ - sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */ + setbits_le32(&prcm_base->clksel_per, 0x01); /* GPT2 = sys clk */ + setbits_le32(&prcm_base->iclken_per, 0x08); /* ICKen GPT2 */ + setbits_le32(&prcm_base->fclken_per, 0x08); /* FCKen GPT2 */
#ifdef CONFIG_SYS_NS16550 /* Enable UART1 clocks */ - sr32(&prcm_base->fclken1_core, 13, 1, 0x1); - sr32(&prcm_base->iclken1_core, 13, 1, 0x1); + setbits_le32(&prcm_base->fclken1_core, 0x00002000); + setbits_le32(&prcm_base->iclken1_core, 0x00002000);
/* UART 3 Clocks */ - sr32(&prcm_base->fclken_per, 11, 1, 0x1); - sr32(&prcm_base->iclken_per, 11, 1, 0x1); + setbits_le32(&prcm_base->fclken_per, 0x00000800); + setbits_le32(&prcm_base->iclken_per, 0x00000800); #endif
#ifdef CONFIG_OMAP3_GPIO_2 - sr32(&prcm_base->fclken_per, 13, 1, 1); - sr32(&prcm_base->iclken_per, 13, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00002000); + setbits_le32(&prcm_base->iclken_per, 0x00002000); #endif #ifdef CONFIG_OMAP3_GPIO_3 - sr32(&prcm_base->fclken_per, 14, 1, 1); - sr32(&prcm_base->iclken_per, 14, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00004000); + setbits_le32(&prcm_base->iclken_per, 0x00004000); #endif #ifdef CONFIG_OMAP3_GPIO_4 - sr32(&prcm_base->fclken_per, 15, 1, 1); - sr32(&prcm_base->iclken_per, 15, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00008000); + setbits_le32(&prcm_base->iclken_per, 0x00008000); #endif #ifdef CONFIG_OMAP3_GPIO_5 - sr32(&prcm_base->fclken_per, 16, 1, 1); - sr32(&prcm_base->iclken_per, 16, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00010000); + setbits_le32(&prcm_base->iclken_per, 0x00010000); #endif #ifdef CONFIG_OMAP3_GPIO_6 - sr32(&prcm_base->fclken_per, 17, 1, 1); - sr32(&prcm_base->iclken_per, 17, 1, 1); + setbits_le32(&prcm_base->fclken_per, 0x00020000); + setbits_le32(&prcm_base->iclken_per, 0x00020000); #endif
#ifdef CONFIG_SYS_I2C_OMAP34XX /* Turn on all 3 I2C clocks */ - sr32(&prcm_base->fclken1_core, 15, 3, 0x7); - sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */ + setbits_le32(&prcm_base->fclken1_core, 0x00038000); + setbits_le32(&prcm_base->iclken1_core, 0x00038000); /* I2C1,2,3 = on */ #endif /* Enable the ICLK for 32K Sync Timer as its used in udelay */ - sr32(&prcm_base->iclken_wkup, 2, 1, 0x1); + setbits_le32(&prcm_base->iclken_wkup, 0x00000004);
if (get_cpu_family() != CPU_AM35XX) - sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON); - - sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON); - sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON); - sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON); - sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON); - sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON); - sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON); - sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON); + out_le32(&prcm_base->fclken_iva2, FCK_IVA2_ON); + + out_le32(&prcm_base->fclken1_core, FCK_CORE1_ON); + out_le32(&prcm_base->iclken1_core, ICK_CORE1_ON); + out_le32(&prcm_base->iclken2_core, ICK_CORE2_ON); + out_le32(&prcm_base->fclken_wkup, FCK_WKUP_ON); + out_le32(&prcm_base->iclken_wkup, ICK_WKUP_ON); + out_le32(&prcm_base->fclken_dss, FCK_DSS_ON); + out_le32(&prcm_base->iclken_dss, ICK_DSS_ON); if (get_cpu_family() != CPU_AM35XX) { - sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON); - sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON); + out_le32(&prcm_base->fclken_cam, FCK_CAM_ON); + out_le32(&prcm_base->iclken_cam, ICK_CAM_ON); }
sdelay(1000);

On Tue, Mar 25, 2014 at 02:49:47PM +0100, Wolfgang Denk wrote:
This patch series replaces the custom bit manipulation function sr32() by standard I/O accessors. A major motivation for this cleanup was the fact that a number of calls of that function resulted in 32 bit wide shift operations on u32 data, which according to the C-ISO IEC-9899-Standard provokes undefined behaviour:
6.5.7 Bitwise shift operators ... If the value of the right operand is negative or is greater than or equal to the width of the promoted left operand, the behavior is undefined.
The code was built-tested for all TI boards (using "./MAKEALL -v ti") without errors or warnings.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Tom Rini trini@ti.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net
Applied to u-boot-ti/master, thanks!
participants (2)
-
Tom Rini
-
Wolfgang Denk