From 95e97b30392a7fa3c7efc4add1d849a7ba9a1988 Mon Sep 17 00:00:00 2001 From: Syed Mohammed Khasim Date: Wed, 6 Dec 2006 17:14:05 -0800 Subject: [PATCH] ARM: OMAP: Add minimal OMAP2430 support This patch adds minimal OMAP2430 support to get the kernel booting on 2430SDP. Signed-off-by: Syed Mohammed Khasim Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Kconfig | 8 + arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-2430sdp.c | 226 +++++++++++++++++++++++++++++ arch/arm/mach-omap2/devices.c | 2 +- arch/arm/mach-omap2/gpmc.c | 7 + arch/arm/mach-omap2/id.c | 6 + arch/arm/mach-omap2/io.c | 20 +++ include/asm-arm/arch-omap/board-2430sdp.h | 41 +++++ include/asm-arm/arch-omap/hardware.h | 4 + include/asm-arm/arch-omap/io.h | 10 ++ include/asm-arm/arch-omap/irqs.h | 1 + include/asm-arm/arch-omap/omap24xx.h | 12 ++ 12 files changed, 337 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 4c90cc7..47c8b57 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -10,6 +10,10 @@ config ARCH_OMAP2420 depends on ARCH_OMAP24XX select OMAP_DM_TIMER +config ARCH_OMAP2430 + bool "OMAP2430 support" + depends on ARCH_OMAP24XX + comment "OMAP Board Type" depends on ARCH_OMAP2 @@ -25,3 +29,7 @@ config MACH_OMAP_H4 config MACH_OMAP_APOLLON bool "OMAP 2420 Apollon board" depends on ARCH_OMAP2 && ARCH_OMAP24XX + +config MACH_OMAP_2430SDP + bool "OMAP 2430 SDP board" + depends on ARCH_OMAP2 && ARCH_OMAP24XX \ No newline at end of file diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 266d88e..b05b738 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -14,5 +14,6 @@ obj-$(CONFIG_PM) += pm.o pm-domain.o sleep.o # Specific board support obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o +obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c new file mode 100644 index 0000000..076130e --- /dev/null +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -0,0 +1,226 @@ +/* + * linux/arch/arm/mach-omap/omap2/board-2430sdp.c + * + * Copyright (C) 2006 Texas Instruments + * + * Modified from mach-omap2/board-generic.c + * + * Initial Code : Based on a patch from Komal Shah and Richard Woodruff + * Updated the Code for 2430 SDP : Syed Mohammed Khasim + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "prcm-regs.h" + +#include +#include + +#define SDP2430_FLASH_CS 0 +#define SDP2430_SMC91X_CS 5 + +static struct mtd_partition sdp2430_partitions[] = { + /* bootloader (U-Boot, etc) in first sector */ + { + .name = "bootloader", + .offset = 0, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next sector */ + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = SZ_128K, + .mask_flags = 0, + }, + /* kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + .mask_flags = 0 + }, + /* file system */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct flash_platform_data sdp2430_flash_data = { + .map_name = "cfi_probe", + .width = 2, + .parts = sdp2430_partitions, + .nr_parts = ARRAY_SIZE(sdp2430_partitions), +}; + +static struct resource sdp2430_flash_resource = { + .start = SDP2430_CS0_BASE, + .end = SDP2430_CS0_BASE + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device sdp2430_flash_device = { + .name = "omapflash", + .id = 0, + .dev = { + .platform_data = &sdp2430_flash_data, + }, + .num_resources = 1, + .resource = &sdp2430_flash_resource, +}; + +static struct resource sdp2430_smc91x_resources[] = { + [0] = { + .start = SDP2430_CS0_BASE, + .end = SDP2430_CS0_BASE + SZ_64M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), + .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdp2430_smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(sdp2430_smc91x_resources), + .resource = sdp2430_smc91x_resources, +}; + +static struct platform_device *sdp2430_devices[] __initdata = { + &sdp2430_smc91x_device, + &sdp2430_flash_device, +}; + +static inline void __init sdp2430_init_smc91x(void) +{ + int eth_cs; + unsigned long cs_mem_base; + unsigned int rate; + struct clk *l3ck; + + eth_cs = SDP2430_SMC91X_CS; + + l3ck = clk_get(NULL, "core_l3_ck"); + if (IS_ERR(l3ck)) + rate = 100000000; + else + rate = clk_get_rate(l3ck); + + /* Make sure CS1 timings are correct, for 2430 always muxed */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200); + + if (rate >= 160000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else if (rate >= 130000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else { /* rate = 100000000 */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); + } + + if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); + return; + } + + sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300; + sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f; + udelay(100); + + if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", + OMAP24XX_ETHR_GPIO_IRQ); + gpmc_cs_free(eth_cs); + return; + } + omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); + +} + +static void __init omap_2430sdp_init_irq(void) +{ + omap2_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); + sdp2430_init_smc91x(); +} + +static struct omap_uart_config sdp2430_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static struct omap_board_config_kernel sdp2430_config[] = { + {OMAP_TAG_UART, &sdp2430_uart_config}, +}; + +static void __init omap_2430sdp_init(void) +{ + platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); + omap_board_config = sdp2430_config; + omap_board_config_size = ARRAY_SIZE(sdp2430_config); + omap_serial_init(); +} + +static void __init omap_2430sdp_map_io(void) +{ + omap2_map_common_io(); +} + +MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") + /* Maintainer: Syed Khasim - Texas Instruments Inc */ + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap_2430sdp_map_io, + .init_irq = omap_2430sdp_init_irq, + .init_machine = omap_2430sdp_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index aa43224..cb5e775 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -52,7 +52,7 @@ static struct platform_device omap_i2c_device2 = { static void omap_init_i2c(void) { /* REVISIT: Second I2C not in use on H4? */ - if (machine_is_omap_h4()) + if (machine_is_omap_h4() || machine_is_omap_2430sdp()) return; omap_cfg_reg(J15_24XX_I2C2_SCL); diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 3236e12..032c20d 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -22,7 +22,14 @@ #undef DEBUG +#ifdef CONFIG_ARCH_OMAP2420 #define GPMC_BASE 0x6800a000 +#endif + +#ifdef CONFIG_ARCH_OMAP2430 +#define GPMC_BASE 0x6E000000 +#endif + #define GPMC_REVISION 0x00 #define GPMC_SYSCONFIG 0x10 #define GPMC_SYSSTATUS 0x14 diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 871ace4..4dfd878 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -17,7 +17,13 @@ #include +#if defined(CONFIG_ARCH_OMAP2420) #define OMAP24XX_TAP_BASE io_p2v(0x48014000) +#endif + +#if defined(CONFIG_ARCH_OMAP2430) +#define OMAP24XX_TAP_BASE io_p2v(0x4900A000) +#endif #define OMAP_TAP_IDCODE 0x0204 #define OMAP_TAP_PROD_ID 0x0208 diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 748920f..af4b6e4 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -5,6 +5,7 @@ * * Copyright (C) 2005 Nokia Corporation * Author: Juha Yrjölä + * Updated map desc to add 2430 support : * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -40,6 +41,20 @@ static struct map_desc omap2_io_desc[] __initdata = { .length = L3_24XX_SIZE, .type = MT_DEVICE }, +#ifdef CONFIG_ARCH_OMAP2430 + { + .virtual = L4_WK_243X_VIRT, + .pfn = __phys_to_pfn(L4_WK_243X_PHYS), + .length = L4_WK_243X_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP243X_GPMC_VIRT, + .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS), + .length = OMAP243X_GPMC_SIZE, + .type = MT_DEVICE + }, +#endif { .virtual = L4_24XX_VIRT, .pfn = __phys_to_pfn(L4_24XX_PHYS), @@ -68,6 +83,11 @@ void __init omap2_init_common_hw(void) { omap2_mux_init(); omap2_clk_init(); +/* + * Need to Fix this for 2430 + */ +#ifndef CONFIG_ARCH_OMAP2430 omap2_init_memory(); +#endif gpmc_init(); } diff --git a/include/asm-arm/arch-omap/board-2430sdp.h b/include/asm-arm/arch-omap/board-2430sdp.h new file mode 100644 index 0000000..6749ad7 --- /dev/null +++ b/include/asm-arm/arch-omap/board-2430sdp.h @@ -0,0 +1,41 @@ +/* + * linux/include/asm-arm/arch-omap/board-2430sdp.h + * + * Hardware definitions for TI OMAP2430 SDP board. + * + * Based on board-h4.h by Dirk Behme + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ASM_ARCH_OMAP_2430SDP_H +#define __ASM_ARCH_OMAP_2430SDP_H + +/* Placeholder for 2430SDP specific defines */ +#define OMAP24XX_ETHR_START 0x08000300 +#define OMAP24XX_ETHR_GPIO_IRQ 149 +#define SDP2430_CS0_BASE 0x04000000 + +/* + * Just a place holder, need to add more + */ + +#endif /* __ASM_ARCH_OMAP_2430SDP_H */ diff --git a/include/asm-arm/arch-omap/hardware.h b/include/asm-arm/arch-omap/hardware.h index df4f168..1a111a0 100644 --- a/include/asm-arm/arch-omap/hardware.h +++ b/include/asm-arm/arch-omap/hardware.h @@ -309,6 +309,10 @@ #include "board-h4.h" #endif +#ifdef CONFIG_MACH_OMAP_2430SDP +#include "board-2430sdp.h" +#endif + #ifdef CONFIG_MACH_OMAP_APOLLON #include "board-apollon.h" #endif diff --git a/include/asm-arm/arch-omap/io.h b/include/asm-arm/arch-omap/io.h index 78f68e6..cc100cb 100644 --- a/include/asm-arm/arch-omap/io.h +++ b/include/asm-arm/arch-omap/io.h @@ -72,6 +72,16 @@ #define L4_24XX_PHYS L4_24XX_BASE /* 0x48000000 */ #define L4_24XX_VIRT 0xd8000000 #define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */ + +#ifdef CONFIG_ARCH_OMAP2430 +#define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */ +#define L4_WK_243X_VIRT 0xd9000000 +#define L4_WK_243X_SIZE SZ_1M +#define OMAP243X_GPMC_PHYS OMAP243X_GPMC_BASE /* 0x49000000 */ +#define OMAP243X_GPMC_VIRT 0xFE000000 +#define OMAP243X_GPMC_SIZE SZ_1M +#endif + #define IO_OFFSET 0x90000000 #define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ #define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ diff --git a/include/asm-arm/arch-omap/irqs.h b/include/asm-arm/arch-omap/irqs.h index c5bb05a..8d4b958 100644 --- a/include/asm-arm/arch-omap/irqs.h +++ b/include/asm-arm/arch-omap/irqs.h @@ -243,6 +243,7 @@ #define INT_24XX_GPIO_BANK2 30 #define INT_24XX_GPIO_BANK3 31 #define INT_24XX_GPIO_BANK4 32 +#define INT_24XX_GPIO_BANK5 33 #define INT_24XX_GPTIMER1 37 #define INT_24XX_GPTIMER2 38 #define INT_24XX_GPTIMER3 39 diff --git a/include/asm-arm/arch-omap/omap24xx.h b/include/asm-arm/arch-omap/omap24xx.h index 6e59805..f9187a7 100644 --- a/include/asm-arm/arch-omap/omap24xx.h +++ b/include/asm-arm/arch-omap/omap24xx.h @@ -8,6 +8,7 @@ */ #define L4_24XX_BASE 0x48000000 +#define L4_WK_243X_BASE 0x49000000 #define L3_24XX_BASE 0x68000000 /* interrupt controller */ @@ -16,9 +17,20 @@ #define OMAP24XX_IVA_INTC_BASE 0x40000000 #define IRQ_SIR_IRQ 0x0040 +#ifdef CONFIG_ARCH_OMAP2420 #define OMAP24XX_32KSYNCT_BASE (L4_24XX_BASE + 0x4000) #define OMAP24XX_PRCM_BASE (L4_24XX_BASE + 0x8000) #define OMAP24XX_SDRC_BASE (L3_24XX_BASE + 0x9000) +#define OMAP242X_CONTROL_STATUS (L4_24XX_BASE + 0x2f8) +#endif + +#ifdef CONFIG_ARCH_OMAP2430 +#define OMAP24XX_32KSYNCT_BASE (L4_WK_243X_BASE + 0x20000) +#define OMAP24XX_PRCM_BASE (L4_WK_243X_BASE + 0x6000) +#define OMAP24XX_SDRC_BASE (0x6D000000) +#define OMAP242X_CONTROL_STATUS (L4_24XX_BASE + 0x2f8) +#define OMAP243X_GPMC_BASE 0x6E000000 +#endif #endif /* __ASM_ARCH_OMAP24XX_H */ -- 1.4.4.2