diff options
| author | adrian <adrian@FreeBSD.org> | 2011-03-31 02:36:22 +0000 |
|---|---|---|
| committer | adrian <adrian@FreeBSD.org> | 2011-03-31 02:36:22 +0000 |
| commit | 9c147e526d5f9ce2c5e278840951eca92ddc10b6 (patch) | |
| tree | df4aa7bf3ae66dbd6eaed75ef7c2694ecd204487 /sys/mips | |
| parent | 0d8889331268513fb67163106bca98ffe96409de (diff) | |
| download | FreeBSD-src-9c147e526d5f9ce2c5e278840951eca92ddc10b6.zip FreeBSD-src-9c147e526d5f9ce2c5e278840951eca92ddc10b6.tar.gz | |
Implement AR724x USB initialisation code.
This (again) still requires an offset for the AR913x/AR724x before USB will
function.
Submitted by: Luiz Otavio O Souzau <loos.br@gmail.com>
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/atheros/ar724x_chip.c | 47 | ||||
| -rw-r--r-- | sys/mips/atheros/ar724xreg.h | 2 |
2 files changed, 48 insertions, 1 deletions
diff --git a/sys/mips/atheros/ar724x_chip.c b/sys/mips/atheros/ar724x_chip.c index 63a8ffb..70192de 100644 --- a/sys/mips/atheros/ar724x_chip.c +++ b/sys/mips/atheros/ar724x_chip.c @@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$"); #include <mips/atheros/ar724xreg.h> #include <mips/atheros/ar71xx_cpudef.h> +#include <mips/atheros/ar71xx_setup.h> #include <mips/atheros/ar724x_chip.h> static void @@ -151,6 +152,50 @@ ar724x_chip_get_eth_pll(unsigned int mac, int speed) return 0; } +static void +ar724x_chip_init_usb_peripheral(void) +{ + + switch (ar71xx_soc) { + case AR71XX_SOC_AR7240: + + ar71xx_device_stop(AR724X_RESET_MODULE_USB_OHCI_DLL | + AR724X_RESET_USB_HOST); + DELAY(1000); + + ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL | + AR724X_RESET_USB_HOST); + DELAY(1000); + + /* + * WAR for HW bug. Here it adjusts the duration + * between two SOFS. + */ + ATH_WRITE_REG(AR71XX_USB_CTRL_FLADJ, + (3 << USB_CTRL_FLADJ_A0_SHIFT)); + + break; + + case AR71XX_SOC_AR7241: + case AR71XX_SOC_AR7242: + + ar71xx_device_start(AR724X_RESET_MODULE_USB_OHCI_DLL); + DELAY(100); + + ar71xx_device_start(AR724X_RESET_USB_HOST); + DELAY(100); + + ar71xx_device_start(AR724X_RESET_USB_PHY); + DELAY(100); + + break; + + default: + /* fallthrough */ + break; + } +} + struct ar71xx_cpu_def ar724x_chip_def = { &ar724x_chip_detect_mem_size, &ar724x_chip_detect_sys_frequency, @@ -163,5 +208,5 @@ struct ar71xx_cpu_def ar724x_chip_def = { &ar724x_chip_ddr_flush_ge1, &ar724x_chip_get_eth_pll, NULL, /* ar71xx_chip_irq_flush_ip2 */ - NULL /* ar71xx_chip_init_usb_peripheral */ + &ar724x_chip_init_usb_peripheral }; diff --git a/sys/mips/atheros/ar724xreg.h b/sys/mips/atheros/ar724xreg.h index ad3fa78..ab83e00 100644 --- a/sys/mips/atheros/ar724xreg.h +++ b/sys/mips/atheros/ar724xreg.h @@ -51,6 +51,8 @@ #define AR724X_DDR_REG_FLUSH_GE1 (AR71XX_DDR_CONFIG + 0x80) #define AR724X_RESET_REG_RESET_MODULE AR71XX_RST_BLOCK_BASE + 0x1c +#define AR724X_RESET_USB_HOST (1 << 5) +#define AR724X_RESET_USB_PHY (1 << 4) #define AR724X_RESET_MODULE_USB_OHCI_DLL (1 << 3) /* XXX so USB requires different init code? -adrian */ |
