diff options
| author | Stefan Roese <sr@denx.de> | 2015-08-18 09:27:18 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-08-19 22:30:20 +0200 |
| commit | e8d056989a7302eda4e3ed263a375fd175a4e15f (patch) | |
| tree | c639b05362b0aca22757042853f20588d1f84acc | |
| parent | f0c89d5463d9d27679ca66b5bb86c161da15a3f7 (diff) | |
usb: spear: Add support for both SPEAr600 EHCI controllers
USB EHCI on SPEAr600 has not been tested for a while. The base controller
addresses are missing. This patch adds the defines to the header. And adds
the missing code.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vipin Kumar <vk.vipin@gmail.com>
Cc: Marek Vasut <marex@denx.de>
| -rw-r--r-- | arch/arm/cpu/arm926ejs/spear/cpu.c | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-spear/hardware.h | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-spear.c | 38 |
3 files changed, 41 insertions, 3 deletions
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c index 1ce9db7a7d..3037084b29 100644 --- a/arch/arm/cpu/arm926ejs/spear/cpu.c +++ b/arch/arm/cpu/arm926ejs/spear/cpu.c @@ -47,8 +47,12 @@ int arch_cpu_init(void) #if defined(CONFIG_NAND_FSMC) periph1_clken |= MISC_FSMCENB; #endif +#if defined(CONFIG_USB_EHCI_SPEAR) + periph1_clken |= PERIPH_USBH1 | PERIPH_USBH2; +#endif writel(periph1_clken, &misc_p->periph1_clken); + return 0; } diff --git a/arch/arm/include/asm/arch-spear/hardware.h b/arch/arm/include/asm/arch-spear/hardware.h index c6da405cc0..065360ab35 100644 --- a/arch/arm/include/asm/arch-spear/hardware.h +++ b/arch/arm/include/asm/arch-spear/hardware.h @@ -11,6 +11,8 @@ #define CONFIG_SYS_USBD_BASE 0xE1100000 #define CONFIG_SYS_PLUG_BASE 0xE1200000 #define CONFIG_SYS_FIFO_BASE 0xE1000800 +#define CONFIG_SYS_UHC0_EHCI_BASE 0xE1800000 +#define CONFIG_SYS_UHC1_EHCI_BASE 0xE2000000 #define CONFIG_SYS_SMI_BASE 0xFC000000 #define CONFIG_SPEAR_SYSCNTLBASE 0xFCA00000 #define CONFIG_SPEAR_TIMERBASE 0xFC800000 diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 210ee9e88e..9e90e18cfe 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -14,7 +14,21 @@ #include <usb.h> #include "ehci.h" #include <asm/arch/hardware.h> +#include <asm/arch/spr_misc.h> +static void spear6xx_usbh_stop(void) +{ + struct misc_regs *const misc_p = + (struct misc_regs *)CONFIG_SPEAR_MISCBASE; + u32 periph1_rst = readl(misc_p->periph1_rst); + + periph1_rst |= PERIPH_USBH1 | PERIPH_USBH2; + writel(periph1_rst, misc_p->periph1_rst); + + udelay(1000); + periph1_rst &= ~(PERIPH_USBH1 | PERIPH_USBH2); + writel(periph1_rst, misc_p->periph1_rst); +} /* * Create the appropriate control structures to manage @@ -23,9 +37,23 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { - *hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100); - *hcor = (struct ehci_hcor *)((uint32_t)*hccr - + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + u32 ehci = 0; + + switch (index) { + case 0: + ehci = CONFIG_SYS_UHC0_EHCI_BASE; + break; + case 1: + ehci = CONFIG_SYS_UHC1_EHCI_BASE; + break; + default: + printf("ERROR: wrong controller index!\n"); + break; + }; + + *hccr = (struct ehci_hccr *)(ehci + 0x100); + *hcor = (struct ehci_hcor *)((uint32_t) *hccr + + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n", (uint32_t)*hccr, (uint32_t)*hcor, @@ -40,5 +68,9 @@ int ehci_hcd_init(int index, enum usb_init_type init, */ int ehci_hcd_stop(int index) { +#if defined(CONFIG_SPEAR600) + spear6xx_usbh_stop(); +#endif + return 0; } |