From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw01.freescale.net (az33egw01.freescale.net [192.88.158.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 84216DDF4C for ; Fri, 18 Jan 2008 11:05:54 +1100 (EST) Received: from az33smr01.freescale.net (az33smr01.freescale.net [10.64.34.199]) by az33egw01.freescale.net (8.12.11/az33egw01) with ESMTP id m0I05hfu008416 for ; Thu, 17 Jan 2008 17:05:43 -0700 (MST) Received: from localhost.localdomain (mvp-10-214-72-199.am.freescale.net [10.214.72.199]) by az33smr01.freescale.net (8.13.1/8.13.0) with ESMTP id m0I05dKC028206 for ; Thu, 17 Jan 2008 18:05:42 -0600 (CST) From: John Rigby To: linuxppc-dev@ozlabs.org Subject: [Add mpc5121 support PATCH v3 5/8] Separate MPC52xx PSC FIFO registers from rest of PSC Date: Thu, 17 Jan 2008 17:05:35 -0700 Message-Id: <1200614738-25654-6-git-send-email-jrigby@freescale.com> In-Reply-To: <1200614738-25654-5-git-send-email-jrigby@freescale.com> References: <1200614738-25654-1-git-send-email-jrigby@freescale.com> <1200614738-25654-2-git-send-email-jrigby@freescale.com> <1200614738-25654-3-git-send-email-jrigby@freescale.com> <1200614738-25654-4-git-send-email-jrigby@freescale.com> <1200614738-25654-5-git-send-email-jrigby@freescale.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This is in preparation for the addition of MPC512x PSC support. The main difference in the 512x is in the fifo registers. Signed-off-by: John Rigby --- drivers/serial/mpc52xx_uart.c | 10 ++++++---- include/asm-powerpc/mpc52xx_psc.h | 3 +++ include/asm-ppc/mpc52xx_psc.h | 3 +++ 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index ec36ad7..25a91c9 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -111,6 +111,7 @@ static void mpc52xx_uart_of_enumerate(void); #endif #define PSC(port) ((struct mpc52xx_psc __iomem *)((port)->membase)) +#define FIFO(port) ((struct mpc52xx_psc_fifo __iomem *)(PSC(port)+1)) /* Forward declaration of the interruption handling routine */ @@ -222,6 +223,7 @@ static int mpc52xx_uart_startup(struct uart_port *port) { struct mpc52xx_psc __iomem *psc = PSC(port); + struct mpc52xx_psc_fifo __iomem *fifo = FIFO(port); int ret; /* Request IRQ */ @@ -238,10 +240,10 @@ mpc52xx_uart_startup(struct uart_port *port) out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); /* /16 prescaler on */ - out_8(&psc->rfcntl, 0x00); - out_be16(&psc->rfalarm, 0x1ff); - out_8(&psc->tfcntl, 0x07); - out_be16(&psc->tfalarm, 0x80); + out_8(&fifo->rfcntl, 0x00); + out_be16(&fifo->rfalarm, 0x1ff); + out_8(&fifo->tfcntl, 0x07); + out_be16(&fifo->tfalarm, 0x80); port->read_status_mask |= MPC52xx_PSC_IMR_RXRDY | MPC52xx_PSC_IMR_TXRDY; out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask); diff --git a/include/asm-powerpc/mpc52xx_psc.h b/include/asm-powerpc/mpc52xx_psc.h index 26690d2..bea42b9 100644 --- a/include/asm-powerpc/mpc52xx_psc.h +++ b/include/asm-powerpc/mpc52xx_psc.h @@ -153,6 +153,9 @@ struct mpc52xx_psc { u8 reserved16[3]; u8 irfdr; /* PSC + 0x54 */ u8 reserved17[3]; +}; + +struct mpc52xx_psc_fifo { u16 rfnum; /* PSC + 0x58 */ u16 reserved18; u16 tfnum; /* PSC + 0x5c */ diff --git a/include/asm-ppc/mpc52xx_psc.h b/include/asm-ppc/mpc52xx_psc.h index c82b8d4..39fcd02 100644 --- a/include/asm-ppc/mpc52xx_psc.h +++ b/include/asm-ppc/mpc52xx_psc.h @@ -159,6 +159,9 @@ struct mpc52xx_psc { u8 reserved16[3]; u8 irfdr; /* PSC + 0x54 */ u8 reserved17[3]; +}; + +struct mpc52xx_psc_fifo { u16 rfnum; /* PSC + 0x58 */ u16 reserved18; u16 tfnum; /* PSC + 0x5c */ -- 1.5.3.5.726.g41a7a