* We only have to save/restore registers that aren't otherwise
* done as part of a driver pm_* function.
*/
-static unsigned int sleep_uart0_inten;
-static unsigned int sleep_uart0_fifoctl;
-static unsigned int sleep_uart0_linectl;
-static unsigned int sleep_uart0_clkdiv;
-static unsigned int sleep_uart0_enable;
static unsigned int sleep_usb[2];
static unsigned int sleep_sys_clocks[5];
static unsigned int sleep_sys_pinfunc;
static void save_core_regs(void)
{
- extern void save_au1xxx_intctl(void);
- extern void pm_eth0_shutdown(void);
-
- /*
- * Do the serial ports.....these really should be a pm_*
- * registered function by the driver......but of course the
- * standard serial driver doesn't understand our Au1xxx
- * unique registers.
- */
- sleep_uart0_inten = au_readl(UART0_ADDR + UART_IER);
- sleep_uart0_fifoctl = au_readl(UART0_ADDR + UART_FCR);
- sleep_uart0_linectl = au_readl(UART0_ADDR + UART_LCR);
- sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
- sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
- au_sync();
-
#ifndef CONFIG_SOC_AU1200
/* Shutdown USB host/device. */
sleep_usb[0] = au_readl(USB_HOST_CONFIG);
au_writel(sleep_static_memctlr[3][0], MEM_STCFG3);
au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
-
- /*
- * Enable the UART if it was enabled before sleep.
- * I guess I should define module control bits........
- */
- if (sleep_uart0_enable & 0x02) {
- au_writel(0, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(1, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(3, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(sleep_uart0_inten, UART0_ADDR + UART_IER); au_sync();
- au_writel(sleep_uart0_fifoctl, UART0_ADDR + UART_FCR); au_sync();
- au_writel(sleep_uart0_linectl, UART0_ADDR + UART_LCR); au_sync();
- au_writel(sleep_uart0_clkdiv, UART0_ADDR + UART_CLK); au_sync();
- }
}
void au_sleep(void)