[U-Boot,Resend,V3] mx31: provide readable WEIM CS accessor

Message ID	1317311103-1020-1-git-send-email-helmut.raiger@hale.at
State	Accepted
Commit	47c5455a489c8e558ecb002a3a97a030ce490f9e
Delegated to:	Stefano Babic
Headers	show Return-Path: <u-boot-bounces@lists.denx.de> From: Helmut Raiger <helmut.raiger@hale.at> To: u-boot@lists.denx.de Date: Thu, 29 Sep 2011 17:45:03 +0200 Message-Id: <1317311103-1020-1-git-send-email-helmut.raiger@hale.at> In-Reply-To: <4E847DA9.6060508@denx.de> References: <4E847DA9.6060508@denx.de> In-Reply-To: <4E847DA9.6060508@denx.de> References: <4E847DA9.6060508@denx.de> MIME-Version: 1.0 MailScanner-NULL-Check: 1317915923.48495@6KBS7QuFVmhMDoxsDuQckQ Cc: fabio.estevam@freescale.com Subject: [U-Boot] [Resend PATCH V3] mx31: provide readable WEIM CS accessor Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de

diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c index e3a4d1b..32e8f23 100644 --- a/arch/arm/cpu/arm1136/mx31/generic.c +++ b/arch/arm/cpu/arm1136/mx31/generic.c @@ -25,6 +25,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> #include <asm/io.h> +#include <asm/arch/sys_proto.h> static u32 mx31_decode_pll(u32 reg, u32 infreq) { @@ -126,6 +127,16 @@ void mx31_set_pad(enum iomux_pins pin, u32 config) } +void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs) +{ + struct mx31_weim *weim = (struct mx31_weim *) WEIM_BASE; + struct mx31_weim_cscr *cscr = &weim->cscr[cs]; + + writel(weimcs->upper, &cscr->upper); + writel(weimcs->lower, &cscr->lower); + writel(weimcs->additional, &cscr->additional); +} + struct mx3_cpu_type mx31_cpu_type[] = { { .srev = 0x00, .v = 0x10 }, { .srev = 0x10, .v = 0x11 }, diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h index 2064870..02b471f 100644 --- a/arch/arm/include/asm/arch-mx31/imx-regs.h +++ b/arch/arm/include/asm/arch-mx31/imx-regs.h @@ -470,6 +470,18 @@ enum iomux_pins { #define CCM_RCSR_NF16B (1 << 31) #define CCM_RCSR_NFMS (1 << 30) +/* WEIM CS control registers */ +struct mx31_weim_cscr { + u32 upper; + u32 lower; + u32 additional; + u32 reserved; +}; + +struct mx31_weim { + struct mx31_weim_cscr cscr[6]; +}; + #endif #define __REG(x) (*((volatile u32 *)(x))) @@ -534,10 +546,27 @@ enum iomux_pins { #define ESDCTL_BL(x) ((x) << 7) #define ESDCTL_PRCT(x) ((x) << 0) +/* 13 fields of the upper CS control register */ +#define CSCR_U(sp, wp, bcd, bcs, psz, pme, sync, dol, \ + cnc, wsc, ew, wws, edc) \ + ((sp) << 31 | (wp) << 30 | (bcd) << 28 | (psz) << 22 | (pme) << 21 |\ + (sync) << 20 | (dol) << 16 | (cnc) << 14 | (wsc) << 8 | (ew) << 7 |\ + (wws) << 4 | (edc) << 0) +/* 12 fields of the lower CS control register */ +#define CSCR_L(oea, oen, ebwa, ebwn, \ + csa, ebc, dsz, csn, psr, cre, wrap, csen) \ + ((oea) << 28 | (oen) << 24 | (ebwa) << 20 | (ebwn) << 16 |\ + (csa) << 12 | (ebc) << 11 | (dsz) << 8 | (csn) << 4 |\ + (psr) << 3 | (cre) << 2 | (wrap) << 1 | (csen) << 0) +/* 14 fields of the additional CS control register */ +#define CSCR_A(ebra, ebrn, rwa, rwn, mum, lah, lbn, lba, dww, dct, \ + wwu, age, cnc2, fce) \ + ((ebra) << 28 | (ebrn) << 24 | (rwa) << 20 | (rwn) << 16 |\ + (mum) << 15 | (lah) << 13 | (lbn) << 10 | (lba) << 8 |\ + (dww) << 6 | (dct) << 4 | (wwu) << 3 |\ + (age) << 2 | (cnc2) << 1 | (fce) << 0) + #define WEIM_BASE 0xb8002000 -#define CSCR_U(x) (WEIM_BASE + (x) * 0x10) -#define CSCR_L(x) (WEIM_BASE + 4 + (x) * 0x10) -#define CSCR_A(x) (WEIM_BASE + 8 + (x) * 0x10) #define IOMUXC_BASE 0x43FAC000 #define IOMUXC_GPR (IOMUXC_BASE + 0x8) diff --git a/arch/arm/include/asm/arch-mx31/sys_proto.h b/arch/arm/include/asm/arch-mx31/sys_proto.h new file mode 100644 index 0000000..7600303 --- /dev/null +++ b/arch/arm/include/asm/arch-mx31/sys_proto.h @@ -0,0 +1,35 @@ +/* + * (C) Copyright 2011 + * Helmut Raiger, HALE electronic GmbH, helmut.raiger@hale.at + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +struct mxc_weimcs { + u32 upper; + u32 lower; + u32 additional; +}; + +void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs); + +#endif diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c index 99432ed..9fca1f8 100644 --- a/board/davedenx/qong/qong.c +++ b/board/davedenx/qong/qong.c @@ -25,6 +25,7 @@ #include <netdev.h> #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> #include <asm/io.h> #include <nand.h> #include <fsl_pmic.h> @@ -61,11 +62,17 @@ static void qong_fpga_reset(void) int board_early_init_f (void) { #ifdef CONFIG_QONG_FPGA - /* CS1: FPGA/Network Controller/GPIO */ - /* 16-bit, no DTACK */ - __REG(CSCR_U(1)) = 0x00000A01; - __REG(CSCR_L(1)) = 0x20040501; - __REG(CSCR_A(1)) = 0x04020C00; + /* CS1: FPGA/Network Controller/GPIO, 16-bit, no DTACK */ + static const struct mxc_weimcs cs1 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 1), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(2, 0, 0, 4, 0, 0, 5, 0, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 4, 0, 2, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0) + }; + + mxc_setup_weimcs(1, &cs1); /* setup pins for FPGA */ mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO)); @@ -146,50 +153,16 @@ int board_init (void) /* Chip selects */ /* CS0: Nor Flash #0 - it must be init'ed when executing from DDR */ /* Assumptions: HCLK = 133 MHz, tACC = 130ns */ - __REG(CSCR_U(0)) = ((0 << 31) | /* SP */ - (0 << 30) | /* WP */ - (0 << 28) | /* BCD */ - (0 << 24) | /* BCS */ - (0 << 22) | /* PSZ */ - (0 << 21) | /* PME */ - (0 << 20) | /* SYNC */ - (0 << 16) | /* DOL */ - (3 << 14) | /* CNC */ - (21 << 8) | /* WSC */ - (0 << 7) | /* EW */ - (0 << 4) | /* WWS */ - (6 << 0) /* EDC */ - ); - - __REG(CSCR_L(0)) = ((2 << 28) | /* OEA */ - (1 << 24) | /* OEN */ - (3 << 20) | /* EBWA */ - (3 << 16) | /* EBWN */ - (1 << 12) | /* CSA */ - (1 << 11) | /* EBC */ - (5 << 8) | /* DSZ */ - (1 << 4) | /* CSN */ - (0 << 3) | /* PSR */ - (0 << 2) | /* CRE */ - (0 << 1) | /* WRAP */ - (1 << 0) /* CSEN */ - ); - - __REG(CSCR_A(0)) = ((2 << 28) | /* EBRA */ - (1 << 24) | /* EBRN */ - (2 << 20) | /* RWA */ - (2 << 16) | /* RWN */ - (0 << 15) | /* MUM */ - (0 << 13) | /* LAH */ - (2 << 10) | /* LBN */ - (0 << 8) | /* LBA */ - (0 << 6) | /* DWW */ - (0 << 4) | /* DCT */ - (0 << 3) | /* WWU */ - (0 << 2) | /* AGE */ - (0 << 1) | /* CNC2 */ - (0 << 0) /* FCE */ - ); + static const struct mxc_weimcs cs0 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 21, 0, 0, 6), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(0, 1, 3, 3, 1, 1, 5, 1, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 1, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0) + }; + + mxc_setup_weimcs(0, &cs0); /* board id for linux */ gd->bd->bi_arch_number = MACH_TYPE_QONG; @@ -247,11 +220,18 @@ int board_eth_init(bd_t *bis) #if defined(CONFIG_QONG_FPGA) && defined(CONFIG_NAND_PLAT) static void board_nand_setup(void) { - /* CS3: NAND 8-bit */ - __REG(CSCR_U(3)) = 0x00004f00; - __REG(CSCR_L(3)) = 0x20013b31; - __REG(CSCR_A(3)) = 0x00020800; + static const struct mxc_weimcs cs3 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 1, 15, 0, 0, 0), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(2, 0, 0, 1, 3, 1, 3, 3, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0) + }; + + mxc_setup_weimcs(3, &cs3); + __REG(IOMUXC_GPR) |= 1 << 13; mx31_gpio_mux(IOMUX_MODE(MUX_CTL_NFC_WP, MUX_CTL_IN_GPIO)); diff --git a/board/freescale/mx31ads/mx31ads.c b/board/freescale/mx31ads/mx31ads.c index 7637c92..1f3d570 100644 --- a/board/freescale/mx31ads/mx31ads.c +++ b/board/freescale/mx31ads/mx31ads.c @@ -25,6 +25,7 @@ #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; @@ -54,9 +55,16 @@ int board_early_init_f(void) * the only non-zero field "Wait State Control" is set to half the * default value. */ - __REG(CSCR_U(0)) = 0x00000f00; - __REG(CSCR_L(0)) = 0x10000D03; - __REG(CSCR_A(0)) = 0x00720900; + static const struct mxc_weimcs cs0 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(1, 0, 0, 0, 0, 1, 5, 0, 0, 0, 1, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 0, 7, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0) + }; + + mxc_setup_weimcs(0, &cs0); /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c index f6e190a..1bcf1fb 100644 --- a/board/freescale/mx31pdk/mx31pdk.c +++ b/board/freescale/mx31pdk/mx31pdk.c @@ -28,6 +28,7 @@ #include <netdev.h> #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> #include <watchdog.h> DECLARE_GLOBAL_DATA_PTR; @@ -56,9 +57,16 @@ void dram_init_banksize(void) int board_early_init_f(void) { /* CS5: CPLD incl. network controller */ - __REG(CSCR_U(5)) = 0x0000d843; - __REG(CSCR_L(5)) = 0x22252521; - __REG(CSCR_A(5)) = 0x22220a00; + static const struct mxc_weimcs cs5 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0) + }; + + mxc_setup_weimcs(5, &cs5); /* Setup UART1 and SPI2 pins */ mx31_uart1_hw_init(); diff --git a/board/imx31_phycore/imx31_phycore.c b/board/imx31_phycore/imx31_phycore.c index 773900e..a697e47 100644 --- a/board/imx31_phycore/imx31_phycore.c +++ b/board/imx31_phycore/imx31_phycore.c @@ -27,6 +27,7 @@ #include <netdev.h> #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; @@ -49,17 +50,39 @@ int board_init(void) int board_early_init_f(void) { - __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */ - __REG(CSCR_L(0)) = 0x10000d03; - __REG(CSCR_A(0)) = 0x00720900; + /* CS0: Nor Flash */ + static const struct mxc_weimcs cs0 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 15, 0, 0, 3), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(1, 0, 0, 0, 0, 1, 5, 0, 0, 0, 1, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 0, 7, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0) + }; + + /* CS1: Network Controller */ + static const struct mxc_weimcs cs1 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 31, 0, 0, 6), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(4, 4, 4, 10, 4, 0, 5, 4, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(4, 4, 4, 4, 0, 1, 4, 3, 0, 0, 0, 0, 1, 0) + }; - __REG(CSCR_U(1)) = 0x0000df06; /* CS1: Network Controller */ - __REG(CSCR_L(1)) = 0x444a4541; - __REG(CSCR_A(1)) = 0x44443302; + /* CS4: SRAM */ + static const struct mxc_weimcs cs4 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0) + }; - __REG(CSCR_U(4)) = 0x0000d843; /* CS4: SRAM */ - __REG(CSCR_L(4)) = 0x22252521; - __REG(CSCR_A(4)) = 0x22220a00; + mxc_setup_weimcs(0, &cs0); + mxc_setup_weimcs(1, &cs1); + mxc_setup_weimcs(4, &cs4); /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); diff --git a/board/logicpd/imx31_litekit/imx31_litekit.c b/board/logicpd/imx31_litekit/imx31_litekit.c index 09cc9c5..0615215 100644 --- a/board/logicpd/imx31_litekit/imx31_litekit.c +++ b/board/logicpd/imx31_litekit/imx31_litekit.c @@ -26,6 +26,7 @@ #include <netdev.h> #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; @@ -45,13 +46,28 @@ void dram_init_banksize(void) int board_early_init_f(void) { - __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */ - __REG(CSCR_L(0)) = 0xa0330d01; - __REG(CSCR_A(0)) = 0x00220800; + /* CS0: Nor Flash */ + static const struct mxc_weimcs cs0 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 15, 0, 0, 3), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(10, 0, 3, 3, 0, 1, 5, 0, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0) + }; - __REG(CSCR_U(4)) = 0x0000dcf6; /* CS4: Network Controller */ - __REG(CSCR_L(4)) = 0x444a4541; - __REG(CSCR_A(4)) = 0x44443302; + /* CS4: Network Controller */ + static const struct mxc_weimcs cs4 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 28, 1, 7, 6), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(4, 4, 4, 10, 4, 0, 5, 4, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(4, 4, 4, 4, 0, 1, 4, 3, 0, 0, 0, 0, 1, 0) + }; + + mxc_setup_weimcs(0, &cs0); + mxc_setup_weimcs(4, &cs4); /* setup pins for UART1 */ mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);

[U-Boot,Resend,V3] mx31: provide readable WEIM CS accessor

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