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authorTom Rini <trini@konsulko.com>2016-02-20 22:32:48 (GMT)
committerTom Rini <trini@konsulko.com>2016-02-20 22:32:48 (GMT)
commit20680b560a17fb29c862de77930cfbf76b24f83c (patch)
treef66975032b21063ad86fd01553983b3c79b398cf /drivers
parentdb6ce2312dcae87619136457d1f9df56789f630a (diff)
parent2a0b9ea3067b00366455b0504056cb6728a0b865 (diff)
downloadu-boot-20680b560a17fb29c862de77930cfbf76b24f83c.tar.xz
Merge branch 'master' of git://git.denx.de/u-boot-atmel
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/at91_emac.c10
-rw-r--r--drivers/usb/host/ehci-atmel.c46
-rw-r--r--drivers/usb/host/ohci-at91.c64
3 files changed, 28 insertions, 92 deletions
diff --git a/drivers/net/at91_emac.c b/drivers/net/at91_emac.c
index 2659592..9151600 100644
--- a/drivers/net/at91_emac.c
+++ b/drivers/net/at91_emac.c
@@ -12,7 +12,7 @@
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_emac.h>
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
#include <asm/arch/at91_pio.h>
#include <net.h>
#include <netdev.h>
@@ -321,7 +321,6 @@ static int at91emac_init(struct eth_device *netdev, bd_t *bd)
emac_device *dev;
at91_emac_t *emac;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
emac = (at91_emac_t *) netdev->iobase;
dev = (emac_device *) netdev->priv;
@@ -347,7 +346,8 @@ static int at91emac_init(struct eth_device *netdev, bd_t *bd)
writel(value, &pio->piob.pdr);
writel(value, &pio->piob.bsr);
- writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC);
+
writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl);
/* Init Ethernet buffers */
@@ -452,10 +452,10 @@ static int at91emac_recv(struct eth_device *netdev)
static int at91emac_write_hwaddr(struct eth_device *netdev)
{
at91_emac_t *emac;
- at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
emac = (at91_emac_t *) netdev->iobase;
- writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+ at91_periph_clk_enable(ATMEL_ID_EMAC);
+
debug_cond(DEBUG_AT91EMAC,
"init MAC-ADDR %02x:%02x:%02x:%02x:%02x:%02x\n",
netdev->enetaddr[5], netdev->enetaddr[4], netdev->enetaddr[3],
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 9a8f004..1d7d280 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -7,44 +7,21 @@
*/
#include <common.h>
-#include <watchdog.h>
#include <usb.h>
#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
#include <asm/arch/clk.h>
#include "ehci.h"
-/* Enable UTMI PLL time out 500us
- * 10 times as datasheet specified
- */
-#define EN_UPLL_TIMEOUT 500UL
-
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
- at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
- ulong start_time, tmp_time;
-
- start_time = get_timer(0);
/* Enable UTMI PLL */
- writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU) {
- WATCHDOG_RESET();
- tmp_time = get_timer(0);
- if ((tmp_time - start_time) > EN_UPLL_TIMEOUT) {
- printf("ERROR: failed to enable UPLL\n");
- return -1;
- }
- }
+ if (at91_upll_clk_enable())
+ return -1;
/* Enable USB Host clock */
-#ifdef CPU_HAS_PCR
at91_periph_clk_enable(ATMEL_ID_UHPHS);
-#else
- writel(1 << ATMEL_ID_UHPHS, &pmc->pcer);
-#endif
*hccr = (struct ehci_hccr *)ATMEL_BASE_EHCI;
*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
@@ -55,27 +32,12 @@ int ehci_hcd_init(int index, enum usb_init_type init,
int ehci_hcd_stop(int index)
{
- at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
- ulong start_time, tmp_time;
-
/* Disable USB Host Clock */
-#ifdef CPU_HAS_PCR
at91_periph_clk_disable(ATMEL_ID_UHPHS);
-#else
- writel(1 << ATMEL_ID_UHPHS, &pmc->pcdr);
-#endif
- start_time = get_timer(0);
/* Disable UTMI PLL */
- writel(readl(&pmc->uckr) & ~AT91_PMC_UPLLEN, &pmc->uckr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU) {
- WATCHDOG_RESET();
- tmp_time = get_timer(0);
- if ((tmp_time - start_time) > EN_UPLL_TIMEOUT) {
- printf("ERROR: failed to stop UPLL\n");
- return -1;
- }
- }
+ if (at91_upll_clk_disable())
+ return -1;
return 0;
}
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 820e2e5..e030a0a 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -9,45 +9,29 @@
#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
#include <asm/arch/clk.h>
int usb_cpu_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-
#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
- /* Enable PLLB */
- writel(get_pllb_init(), &pmc->pllbr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
- ;
+ if (at91_pllb_clk_enable(get_pllb_init()))
+ return -1;
+
#ifdef CONFIG_AT91SAM9N12
- writel(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2, &pmc->usb);
+ at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2);
#endif
#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
- /* Enable UPLL */
- writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
- &pmc->uckr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU)
- ;
-
- /* Select PLLA as input clock of OHCI */
- writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb);
+ if (at91_upll_clk_enable())
+ return -1;
+
+ at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10);
#endif
- /* Enable USB host clock. */
-#ifdef CPU_HAS_PCR
at91_periph_clk_enable(ATMEL_ID_UHP);
-#else
- writel(1 << ATMEL_ID_UHP, &pmc->pcer);
-#endif
+ at91_system_clk_enable(ATMEL_PMC_UHP);
#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
- writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
-#else
- writel(ATMEL_PMC_UHP, &pmc->scer);
+ at91_system_clk_enable(AT91_PMC_HCK0);
#endif
return 0;
@@ -55,34 +39,24 @@ int usb_cpu_init(void)
int usb_cpu_stop(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-
- /* Disable USB host clock. */
-#ifdef CPU_HAS_PCR
at91_periph_clk_disable(ATMEL_ID_UHP);
-#else
- writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
-#endif
+ at91_system_clk_disable(ATMEL_PMC_UHP);
#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
- writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr);
-#else
- writel(ATMEL_PMC_UHP, &pmc->scdr);
+ at91_system_clk_disable(AT91_PMC_HCK0);
#endif
#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
#ifdef CONFIG_AT91SAM9N12
- writel(0, &pmc->usb);
+ at91_usb_clk_init(0);
#endif
- /* Disable PLLB */
- writel(0, &pmc->pllbr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
- ;
+
+ if (at91_pllb_clk_disable())
+ return -1;
+
#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
- /* Disable UPLL */
- writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr);
- while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU)
- ;
+ if (at91_upll_clk_disable())
+ return -1;
#endif
return 0;