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sunxi: Fix clock_twi_onoff for sun8i-a83

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clock_sun8i_a83.c did not contain a clock_twi_onoff implementation
at all, this is fixed by moving the clock_sun6i.c implementation,
which is correct for the a83 too, to a shared location.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede 2016-03-16 20:57:28 +01:00
parent 730d2f3a41
commit a93b0fe3fd
2 changed files with 35 additions and 31 deletions
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35
arch/arm/cpu/armv7/sunxi/clock.c
View File

@ -12,6 +12,7 @@
#include <asm/io.h> #include <asm/io.h>
#include <asm/arch/clock.h> #include <asm/arch/clock.h>
#include <asm/arch/gpio.h> #include <asm/arch/gpio.h>
#include <asm/arch/prcm.h>
#include <asm/arch/sys_proto.h> #include <asm/arch/sys_proto.h>
__weak void clock_init_sec(void) __weak void clock_init_sec(void)
@ -28,3 +29,37 @@ int clock_init(void)
return 0; return 0;
} }
/* These functions are shared between various SoCs so put them here. */
#if defined CONFIG_SUNXI_GEN_SUN6I && !defined CONFIG_MACH_SUN9I
int clock_twi_onoff(int port, int state)
{
struct sunxi_ccm_reg *const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
if (port == 5) {
if (state)
prcm_apb0_enable(
PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
else
prcm_apb0_disable(
PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
return 0;
}
/* set the apb clock gate and reset for twi */
if (state) {
setbits_le32(&ccm->apb2_gate,
CLK_GATE_OPEN << (APB2_GATE_TWI_SHIFT + port));
setbits_le32(&ccm->apb2_reset_cfg,
1 << (APB2_RESET_TWI_SHIFT + port));
} else {
clrbits_le32(&ccm->apb2_reset_cfg,
1 << (APB2_RESET_TWI_SHIFT + port));
clrbits_le32(&ccm->apb2_gate,
CLK_GATE_OPEN << (APB2_GATE_TWI_SHIFT + port));
}
return 0;
}
#endif

31
arch/arm/cpu/armv7/sunxi/clock_sun6i.c
View File

@ -85,37 +85,6 @@ void clock_init_uart(void)
#endif #endif
} }
int clock_twi_onoff(int port, int state)
{
struct sunxi_ccm_reg *const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
if (port == 5) {
if (state)
prcm_apb0_enable(
PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
else
prcm_apb0_disable(
PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_I2C);
return 0;
}
/* set the apb clock gate and reset for twi */
if (state) {
setbits_le32(&ccm->apb2_gate,
CLK_GATE_OPEN << (APB2_GATE_TWI_SHIFT+port));
setbits_le32(&ccm->apb2_reset_cfg,
1 << (APB2_RESET_TWI_SHIFT + port));
} else {
clrbits_le32(&ccm->apb2_reset_cfg,
1 << (APB2_RESET_TWI_SHIFT + port));
clrbits_le32(&ccm->apb2_gate,
CLK_GATE_OPEN << (APB2_GATE_TWI_SHIFT+port));
}
return 0;
}
#ifdef CONFIG_SPL_BUILD #ifdef CONFIG_SPL_BUILD
void clock_set_pll1(unsigned int clk) void clock_set_pll1(unsigned int clk)
{ {