January 2006 - U-Boot

[U-Boot-Users] [git patch] flat device tree
by Kumar Gala 12 Mar '06

12 Mar '06

Please pull from 'ft_infr' branch of git.kernel.org:/pub/scm/boot/u-boot/u-boot.git to receive the following updates: CHANGELOG | 28 ++++++++++++++++++++++++++ README | 17 ++++++++++++++++ common/cmd_bootm.c | 16 +++++++++------ common/ft_build.c | 49 ++++++++++++++++++++++++++++++++++++----------- cpu/mpc83xx/cpu.c | 38 ++++++++++++++++++++++++++++++++++++ include/configs/stxxtc.h | 2 + include/ft_build.h | 4 ++- 7 files changed, 136 insertions(+), 18 deletions(-) Kumar Gala: Added CONFIG_ options for bd_t and env in flat dev tree Allow board code to fixup the flat device tree before booting a Added OF_STDOUT_PATH and OF_SOC Add support for passing initrd information via flat device tree Add helper function for generic flat device tree fixups for mpc83xx diff --git a/CHANGELOG b/CHANGELOG index c1da98f..1ad9bd3 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,34 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add helper function for generic flat device tree fixups for mpc83xx + Patch by Kumar Gala 11 Jan 2006 + +* Add support for passing initrd information via flat device tree + Patch by Kumar Gala 11 Jan 2006 + +* Added OF_STDOUT_PATH and OF_SOC + + OF_STDOUT_PATH specifies the path to the device the kernel can use + for console output + + OF_SOC specifies the proper name of the SOC node if one exists. + Patch by Kumar Gala 11 Jan 2006 + +* Allow board code to fixup the flat device tree before booting a + kernel + Patch by Kumar Gala 11 Jan 2006 + +* Added CONFIG_ options for bd_t and env in flat dev tree + + CONFIG_OF_HAS_BD_T will put a copy of the bd_t + into the resulting flat device tree. + + CONFIG_OF_HAS_UBOOT_ENV will copy the environment + variables from u-boot into the flat device tree + + Patch by Kumar Gala 11 Jan 2006 + * Add support for 28F256J3A flah (=> 64 MB) on PM520 board * Fix compiler problem with at91rm9200dk board. diff --git a/README b/README index 6f61008..ecaef9e 100644 --- a/README +++ b/README @@ -411,7 +411,24 @@ The following options need to be configu The maximum size of the constructed OF tree. OF_CPU - The proper name of the cpus node. + OF_SOC - The proper name of the soc node. OF_TBCLK - The timebase frequency. + OF_STDOUT_PATH - The path to the console device + + CONFIG_OF_HAS_BD_T + + The resulting flat device tree will have a copy of the bd_t. + Space should be pre-allocated in the dts for the bd_t. + + CONFIG_OF_HAS_UBOOT_ENV + + The resulting flat device tree will have a copy of u-boot's + environment variables + + CONFIG_OF_BOARD_SETUP + + Board code has addition modification that it wants to make + to the flat device tree before handing it off to the kernel - Serial Ports: CFG_PL010_SERIAL diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 8599a49..9562dbe 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -819,7 +819,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int fl (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); #else - ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd); + ft_setup(of_flat_tree, OF_FLAT_TREE_MAX_SIZE, kbd, initrd_start, initrd_end); /* ft_dump_blob(of_flat_tree); */ #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) @@ -828,12 +828,16 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int fl /* * Linux Kernel Parameters: * r3: ptr to OF flat tree, followed by the board info data - * r4: initrd_start or 0 if no initrd - * r5: initrd_end - unused if r4 is 0 - * r6: Start of command line string - * r7: End of command line string + * r4: physical pointer to the kernel itself + * r5: NULL + * r6: NULL + * r7: NULL */ - (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end, cmd_start, cmd_end); + if (getenv("disable_of") != NULL) + (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end, + cmd_start, cmd_end); + else + (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0); #endif } diff --git a/common/ft_build.c b/common/ft_build.c index 65a274f..9e9c906 100644 --- a/common/ft_build.c +++ b/common/ft_build.c @@ -163,7 +163,7 @@ void ft_add_rsvmap(struct ft_cxt *cxt, u ((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */ ((u64 *) cxt->pres)[1] = cpu_to_be64(size); - cxt->pres += 18; /* advance */ + cxt->pres += 16; /* advance */ ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ ((u64 *) cxt->pres)[1] = 0; @@ -529,6 +529,7 @@ extern uchar(*env_get_char) (int); #define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) } +#ifdef CONFIG_OF_HAS_BD_T static const struct { const char *name; int offset; @@ -574,19 +575,24 @@ static const struct { #endif BDM(baudrate), }; +#endif -void ft_setup(void *blob, int size, bd_t * bd) +void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end) { - DECLARE_GLOBAL_DATA_PTR; - u8 *end; u32 *p; int len; struct ft_cxt cxt; - int i, k, nxt; - static char tmpenv[256]; - char *s, *lval, *rval; ulong clock; - uint32_t v; +#if defined(CONFIG_OF_HAS_UBOOT_ENV) + int k, nxt; +#endif +#if defined(CONFIG_OF_HAS_BD_T) + u8 *end; +#endif +#if defined(CONFIG_OF_HAS_UBOOT_ENV) || defined(CONFIG_OF_HAS_BD_T) + int i; + static char tmpenv[256]; +#endif /* disable OF tree; booting old kernel */ if (getenv("disable_of") != NULL) { @@ -596,7 +602,8 @@ void ft_setup(void *blob, int size, bd_t ft_begin(&cxt, blob, size); - /* fs_add_rsvmap not used */ + if (initrd_start && initrd_end) + ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1); ft_begin_tree(&cxt); @@ -610,9 +617,12 @@ void ft_setup(void *blob, int size, bd_t /* back into root */ ft_backtrack_node(&cxt); +#ifdef CONFIG_OF_HAS_UBOOT_ENV ft_begin_node(&cxt, "u-boot-env"); for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { + char *s, *lval, *rval; + for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) ; s = tmpenv; for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k) @@ -629,12 +639,20 @@ void ft_setup(void *blob, int size, bd_t } ft_end_node(&cxt); +#endif ft_begin_node(&cxt, "chosen"); ft_prop_str(&cxt, "name", "chosen"); ft_prop_str(&cxt, "bootargs", getenv("bootargs")); ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */ + if (initrd_start && initrd_end) { + ft_prop_int(&cxt, "linux,initrd-start", initrd_start); + ft_prop_int(&cxt, "linux,initrd-end", initrd_end); + } +#ifdef OF_STDOUT_PATH + ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH); +#endif ft_end_node(&cxt); @@ -647,14 +665,19 @@ void ft_setup(void *blob, int size, bd_t ft_dump_blob(blob); */ +#ifdef CONFIG_OF_HAS_BD_T /* paste the bd_t at the end of the flat tree */ end = (char *)blob + be32_to_cpu(((struct boot_param_header *)blob)->totalsize); memcpy(end, bd, sizeof(*bd)); +#endif #ifdef CONFIG_PPC +#ifdef CONFIG_OF_HAS_BD_T for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) { + uint32_t v; + sprintf(tmpenv, "/bd_t/%s", bd_map[i].name); v = *(uint32_t *)((char *)bd + bd_map[i].offset); @@ -670,6 +693,7 @@ void ft_setup(void *blob, int size, bd_t p = ft_get_prop(blob, "/bd_t/ethspeed", &len); if (p != NULL) *p = cpu_to_be32((uint32_t) bd->bi_ethspeed); +#endif clock = bd->bi_intfreq; p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len); @@ -680,11 +704,14 @@ void ft_setup(void *blob, int size, bd_t clock = OF_TBCLK; p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len); if (p != NULL) - *p = cpu_to_be32(OF_TBCLK); + *p = cpu_to_be32(clock); #endif - #endif /* __powerpc__ */ +#ifdef CONFIG_OF_BOARD_SETUP + ft_board_setup(blob, bd); +#endif + /* printf("final OF-tree\n"); ft_dump_blob(blob); diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c index 8c9b515..e49e4fe 100644 --- a/cpu/mpc83xx/cpu.c +++ b/cpu/mpc83xx/cpu.c @@ -35,6 +35,7 @@ #include <watchdog.h> #include <command.h> #include <mpc83xx.h> +#include <ft_build.h> #include <asm/processor.h> @@ -151,3 +152,40 @@ void watchdog_reset (void) hang(); /* FIXME: implement watchdog_reset()? */ } #endif /* CONFIG_WATCHDOG */ + +#if defined(CONFIG_OF_FLAT_TREE) +void +ft_cpu_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + ulong clock; + + clock = bd->bi_busfreq; + p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + +#ifdef CONFIG_MPC83XX_TSEC1 + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len); + memcpy(p, bd->bi_enetaddr, 6); +#endif + +#ifdef CONFIG_MPC83XX_TSEC2 + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len); + memcpy(p, bd->bi_enet1addr, 6); +#endif +} +#endif diff --git a/include/configs/stxxtc.h b/include/configs/stxxtc.h index 3ffe6b2..be6c36c 100644 --- a/include/configs/stxxtc.h +++ b/include/configs/stxxtc.h @@ -584,5 +584,7 @@ typedef unsigned int led_id_t; #define OF_CPU "PowerPC,MPC870@0" #define OF_TBCLK (MPC8XX_HZ / 16) +#define CONFIG_OF_HAS_BD_T 1 +#define CONFIG_OF_HAS_UBOOT_ENV 1 #endif /* __CONFIG_H */ diff --git a/include/ft_build.h b/include/ft_build.h index 9104b1a..47ca575 100644 --- a/include/ft_build.h +++ b/include/ft_build.h @@ -57,10 +57,12 @@ void ft_prop_int(struct ft_cxt *cxt, con void ft_begin(struct ft_cxt *cxt, void *blob, int max_size); void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); -void ft_setup(void *blob, int size, bd_t * bd); +void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end); void ft_dump_blob(const void *bphp); void ft_merge_blob(struct ft_cxt *cxt, void *blob); void *ft_get_prop(void *bphp, const char *propname, int *szp); +void ft_board_setup(void *blob, bd_t *bd); + #endif

2 1

[U-Boot-Users] [git patch] pci
by Kumar Gala 12 Mar '06

12 Mar '06

Please pull from 'pci' branch of git.kernel.org:/pub/scm/boot/u-boot/u-boot.git to receive the following updates: CHANGELOG | 18 +++++++++++++++ drivers/pci.c | 1 drivers/pci_auto.c | 58 ++++++++++++++++++++++++++++++++++++++++--------- drivers/pci_indirect.c | 16 +++++++++++++ include/pci.h | 4 ++- 5 files changed, 86 insertions(+), 11 deletions(-) Kumar Gala: Added support for PCI prefetchable region and BARs Report back PCI bus when doing table based device config Fixed PCI indirect config ops to handle multiple PCI controllers diff --git a/CHANGELOG b/CHANGELOG index c1da98f..9ed9dff 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,24 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Fixed PCI indirect config ops to handle multiple PCI controllers + We need to adjust the bus number we are trying to access based + on which PCI controller its on + Patch by Kumar Gala 12 Jan 2006 + +* Report back PCI bus when doing table based device config + Patch by Kumar Gala 11 Jan 2006 + +* Added support for PCI prefetchable region and BARs + If a host controller sets up a region as prefetchable and + a device's BAR denotes it as prefetchable, allocate the + BAR into the prefetch region. + + If a BAR is prefetchable and no prefetchable region has + been setup by the controller we fall back to allocating + the BAR into the normally memory region. + Patch by Kumar Gala 11 Jan 2006 + * Add support for 28F256J3A flah (=> 64 MB) on PM520 board * Fix compiler problem with at91rm9200dk board. diff --git a/drivers/pci.c b/drivers/pci.c index 5360030..3c24b99 100644 --- a/drivers/pci.c +++ b/drivers/pci.c @@ -459,6 +459,7 @@ int pci_hose_scan_bus(struct pci_control PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev)); if (cfg) { cfg->config_device(hose, dev, cfg); + sub_bus = max(sub_bus, hose->current_busno); #ifdef CONFIG_PCI_PNP } else { int n = pciauto_config_device(hose, dev); diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index 3302457..15f7432 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -77,6 +77,7 @@ int pciauto_region_allocate(struct pci_r void pciauto_setup_device(struct pci_controller *hose, pci_dev_t dev, int bars_num, struct pci_region *mem, + struct pci_region *prefetch, struct pci_region *io) { unsigned int bar_value, bar_response, bar_size; @@ -111,7 +112,10 @@ void pciauto_setup_device(struct pci_con found_mem64 = 1; bar_size = ~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1; - bar_res = mem; + if (prefetch && (bar_response & PCI_BASE_ADDRESS_MEM_PREFETCH)) + bar_res = prefetch; + else + bar_res = mem; DEBUGF("PCI Autoconfig: BAR %d, Mem, size=0x%x, ", bar_nr, bar_size); } @@ -148,6 +152,7 @@ static void pciauto_prescan_setup_bridge pci_dev_t dev, int sub_bus) { struct pci_region *pci_mem = hose->pci_mem; + struct pci_region *pci_prefetch = hose->pci_prefetch; struct pci_region *pci_io = hose->pci_io; unsigned int cmdstat; @@ -169,6 +174,21 @@ static void pciauto_prescan_setup_bridge cmdstat |= PCI_COMMAND_MEMORY; } + if (pci_prefetch) { + /* Round memory allocator to 1MB boundary */ + pciauto_region_align(pci_prefetch, 0x100000); + + /* Set up memory and I/O filter limits, assume 32-bit I/O space */ + pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, + (pci_prefetch->bus_lower & 0xfff00000) >> 16); + + cmdstat |= PCI_COMMAND_MEMORY; + } else { + /* We don't support prefetchable memory for now, so disable */ + pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, 0x1000); + pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x1000); + } + if (pci_io) { /* Round I/O allocator to 4KB boundary */ pciauto_region_align(pci_io, 0x1000); @@ -181,10 +201,6 @@ static void pciauto_prescan_setup_bridge cmdstat |= PCI_COMMAND_IO; } - /* We don't support prefetchable memory for now, so disable */ - pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_BASE, 0x1000); - pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, 0x1000); - /* Enable memory and I/O accesses, enable bus master */ pci_hose_write_config_dword(hose, dev, PCI_COMMAND, cmdstat | PCI_COMMAND_MASTER); } @@ -193,6 +209,7 @@ static void pciauto_postscan_setup_bridg pci_dev_t dev, int sub_bus) { struct pci_region *pci_mem = hose->pci_mem; + struct pci_region *pci_prefetch = hose->pci_prefetch; struct pci_region *pci_io = hose->pci_io; /* Configure bus number registers */ @@ -206,6 +223,14 @@ static void pciauto_postscan_setup_bridg (pci_mem->bus_lower-1) >> 16); } + if (pci_prefetch) { + /* Round memory allocator to 1MB boundary */ + pciauto_region_align(pci_prefetch, 0x100000); + + pci_hose_write_config_word(hose, dev, PCI_PREF_MEMORY_LIMIT, + (pci_prefetch->bus_lower-1) >> 16); + } + if (pci_io) { /* Round I/O allocator to 4KB boundary */ pciauto_region_align(pci_io, 0x1000); @@ -239,6 +264,11 @@ void pciauto_config_init(struct pci_cont hose->pci_mem->size < hose->regions[i].size) hose->pci_mem = hose->regions + i; break; + case (PCI_REGION_MEM | PCI_REGION_PREFETCH): + if (!hose->pci_prefetch || + hose->pci_prefetch->size < hose->regions[i].size) + hose->pci_prefetch = hose->regions + i; + break; } } @@ -251,6 +281,14 @@ void pciauto_config_init(struct pci_cont hose->pci_mem->bus_start + hose->pci_mem->size - 1); } + if (hose->pci_prefetch) { + pciauto_region_init(hose->pci_prefetch); + + DEBUGF("PCI Autoconfig: Prefetchable Memory region: [%lx-%lx]\n", + hose->pci_prefetch->bus_start, + hose->pci_prefetch->bus_start + hose->pci_prefetch->size - 1); + } + if (hose->pci_io) { pciauto_region_init(hose->pci_io); @@ -275,7 +313,7 @@ int pciauto_config_device(struct pci_con switch(class) { case PCI_CLASS_BRIDGE_PCI: hose->current_busno++; - pciauto_setup_device(hose, dev, 2, hose->pci_mem, hose->pci_io); + pciauto_setup_device(hose, dev, 2, hose->pci_mem, hose->pci_prefetch, hose->pci_io); DEBUGF("PCI Autoconfig: Found P2P bridge, device %d\n", PCI_DEV(dev)); @@ -301,12 +339,12 @@ int pciauto_config_device(struct pci_con return sub_bus; } - pciauto_setup_device(hose, dev, 6, hose->pci_mem, hose->pci_io); + pciauto_setup_device(hose, dev, 6, hose->pci_mem, hose->pci_prefetch, hose->pci_io); break; case PCI_CLASS_BRIDGE_CARDBUS: /* just do a minimal setup of the bridge, let the OS take care of the rest */ - pciauto_setup_device(hose, dev, 0, hose->pci_mem, hose->pci_io); + pciauto_setup_device(hose, dev, 0, hose->pci_mem, hose->pci_prefetch, hose->pci_io); DEBUGF("PCI Autoconfig: Found P2CardBus bridge, device %d\n", PCI_DEV(dev)); @@ -328,11 +366,11 @@ int pciauto_config_device(struct pci_con * the PIMMR window to be allocated (BAR0 - 1MB size) */ DEBUGF("PCI Autoconfig: Broken bridge found, only minimal config\n"); - pciauto_setup_device(hose, dev, 0, hose->pci_mem, hose->pci_io); + pciauto_setup_device(hose, dev, 0, hose->pci_mem, hose->pci_prefetch, hose->pci_io); break; #endif default: - pciauto_setup_device(hose, dev, 6, hose->pci_mem, hose->pci_io); + pciauto_setup_device(hose, dev, 6, hose->pci_mem, hose->pci_prefetch, hose->pci_io); break; } diff --git a/drivers/pci_indirect.c b/drivers/pci_indirect.c index e8f19f5..f0c4a1c 100644 --- a/drivers/pci_indirect.c +++ b/drivers/pci_indirect.c @@ -36,6 +36,10 @@ static int \ indirect_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ + u32 b, d,f; \ + b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ + b = b - hose->first_busno; \ + dev = PCI_BDF(b, d, f); \ out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ sync(); \ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ @@ -47,6 +51,10 @@ static int indirect_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ + u32 b, d,f; \ + b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ + b = b - hose->first_busno; \ + dev = PCI_BDF(b, d, f); \ *(hose->cfg_addr) = dev | (offset & 0xfc) | 0x80000000; \ sync(); \ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ @@ -58,6 +66,10 @@ static int \ indirect_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ + u32 b, d,f; \ + b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ + b = b - hose->first_busno; \ + dev = PCI_BDF(b, d, f); \ if (PCI_BUS(dev) > 0) \ out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000001); \ else \ @@ -71,6 +83,10 @@ static int \ indirect_##rw##_config_##size(struct pci_controller *hose, \ pci_dev_t dev, int offset, type val) \ { \ + u32 b, d,f; \ + b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ + b = b - hose->first_busno; \ + dev = PCI_BDF(b, d, f); \ out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ return 0; \ diff --git a/include/pci.h b/include/pci.h index 8f19997..f78a769 100644 --- a/include/pci.h +++ b/include/pci.h @@ -309,6 +309,7 @@ struct pci_region { #define PCI_REGION_MEM 0x00000000 /* PCI memory space */ #define PCI_REGION_IO 0x00000001 /* PCI IO space */ #define PCI_REGION_TYPE 0x00000001 +#define PCI_REGION_PREFETCH 0x00000008 /* prefetchable PCI memory */ #define PCI_REGION_MEMORY 0x00000100 /* System memory */ #define PCI_REGION_RO 0x00000200 /* Read-only memory */ @@ -386,7 +387,7 @@ struct pci_controller { int (*write_dword)(struct pci_controller*, pci_dev_t, int where, u32); /* Used by auto config */ - struct pci_region *pci_mem, *pci_io; + struct pci_region *pci_mem, *pci_io, *pci_prefetch; /* Used by ppc405 autoconfig*/ struct pci_region *pci_fb; @@ -472,6 +473,7 @@ extern int pciauto_region_allocate(struc extern void pciauto_setup_device(struct pci_controller *hose, pci_dev_t dev, int bars_num, struct pci_region *mem, + struct pci_region *prefetch, struct pci_region *io); int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev);

2 1

[U-Boot-Users] [git patch] mpc83xx
by Kumar Gala 12 Mar '06

12 Mar '06

Please pull from 'mpc83xx' branch of git.kernel.org:/pub/scm/boot/u-boot/u-boot.git to receive the following updates: CHANGELOG | 16 ++++++++++++++++ cpu/mpc83xx/cpu_init.c | 16 ++++++++++++++-- cpu/mpc83xx/interrupts.c | 10 ++++++++++ cpu/mpc83xx/start.S | 6 ++++++ include/asm-ppc/immap_83xx.h | 4 ++-- include/configs/MPC8349ADS.h | 4 ++++ include/configs/TQM834x.h | 4 ++++ 7 files changed, 56 insertions(+), 4 deletions(-) Kumar Gala: Make System IO Config Registers board configurable on MPC83xx Enable time handling on 83xx Allow config of GPIO direction & data registers at boot on 83xx Only disable the MPC83xx watchdog if its enabled out of reset. Fixed defines for MPC83xx SICRL register to match current specs diff --git a/CHANGELOG b/CHANGELOG index c1da98f..12856fb 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,22 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Fixed defines for MPC83xx SICRL register to match current specs + Patch by Kumar Gala, 23 Jan 2006 + +* Only disable the MPC83xx watchdog if its enabled out of reset. + If its disabled out of reset SW can later enable it if so desired + Patch by Kumar Gala, 11 Jan 2006 + +* Allow config of GPIO direction & data registers at boot on 83xx + Patch by Kumar Gala, 11 Jan 2006 + +* Enable time handling on 83xx + Patch by Kumar Gala, 11 Jan 2006 + +* Make System IO Config Registers board configurable on MPC83xx + Patch by Kumar Gala, 11 Jan 2006 + * Add support for 28F256J3A flah (=> 64 MB) on PM520 board * Fix compiler problem with at91rm9200dk board. diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index dcb3445..db28a6a 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -63,8 +63,12 @@ void cpu_init_f (volatile immap_t * im) im->sysconf.spcr |= SPCR_TBEN; /* System General Purpose Register */ - im->sysconf.sicrh = SICRH_TSOBI1; - im->sysconf.sicrl = SICRL_LDP_A; +#ifdef CFG_SICRH + im->sysconf.sicrh = CFG_SICRH; +#endif +#ifdef CFG_SICRL + im->sysconf.sicrl = CFG_SICRL; +#endif /* * Memory Controller: @@ -150,6 +154,14 @@ void cpu_init_f (volatile immap_t * im) im->sysconf.lblaw[7].bar = CFG_LBLAWBAR7_PRELIM; im->sysconf.lblaw[7].ar = CFG_LBLAWAR7_PRELIM; #endif +#ifdef CFG_GPIO1_PRELIM + im->pgio[0].dir = CFG_GPIO1_DIR; + im->pgio[0].dat = CFG_GPIO1_DAT; +#endif +#ifdef CFG_GPIO2_PRELIM + im->pgio[1].dir = CFG_GPIO2_DIR; + im->pgio[1].dat = CFG_GPIO2_DAT; +#endif } diff --git a/cpu/mpc83xx/interrupts.c b/cpu/mpc83xx/interrupts.c index 53474f6..dfd51c1 100644 --- a/cpu/mpc83xx/interrupts.c +++ b/cpu/mpc83xx/interrupts.c @@ -43,6 +43,16 @@ struct irq_action { int interrupt_init_cpu (unsigned *decrementer_count) { + DECLARE_GLOBAL_DATA_PTR; + + volatile immap_t *immr = (immap_t *) CFG_IMMRBAR; + + *decrementer_count = (gd->bus_clk / 4) / CFG_HZ; + + /* Enable e300 time base */ + + immr->sysconf.spcr |= 0x00400000; + return 0; } diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S index fb001a6..0e1a5fd 100644 --- a/cpu/mpc83xx/start.S +++ b/cpu/mpc83xx/start.S @@ -426,8 +426,14 @@ init_e300_core: /* time t 10 */ #else /* Disable Wathcdog */ /*-------------------*/ + lwz r4, SWCRR(r3) + /* Check to see if its enabled for disabling + once disabled by SW you can't re-enable */ + andi. r4, r4, 0x4 + beq 1f xor r4, r4, r4 stw r4, SWCRR(r3) +1: #endif /* CONFIG_WATCHDOG */ /* Initialize the Hardware Implementation-dependent Registers */ diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h index 6c2c712..f5fec22 100644 --- a/include/asm-ppc/immap_83xx.h +++ b/include/asm-ppc/immap_83xx.h @@ -71,8 +71,8 @@ typedef struct sysconf8349 { | SPCR_TSEC2DP | SPCR_TSEC2BDP | SPCR_TSEC2EP) u32 sicrl; /* System General Purpose Register Low */ #define SICRL_LDP_A 0x80000000 -#define SICRL_USB0 0x40000000 -#define SICRL_USB1 0x20000000 +#define SICRL_USB1 0x40000000 +#define SICRL_USB0 0x20000000 #define SICRL_UART 0x0C000000 #define SICRL_GPIO1_A 0x02000000 #define SICRL_GPIO1_B 0x01000000 diff --git a/include/configs/MPC8349ADS.h b/include/configs/MPC8349ADS.h index d6d2fab..f7f09b8 100644 --- a/include/configs/MPC8349ADS.h +++ b/include/configs/MPC8349ADS.h @@ -506,6 +506,10 @@ HRCWH_TSEC2M_IN_GMII ) #endif +/* System IO Config */ +#define CFG_SICRH SICRH_TSOBI1 +#define CFG_SICRL SICRL_LDP_A + #define CFG_HID0_INIT 0x000000000 #define CFG_HID0_FINAL CFG_HID0_INIT diff --git a/include/configs/TQM834x.h b/include/configs/TQM834x.h index 41f44c5..1cf66a9 100644 --- a/include/configs/TQM834x.h +++ b/include/configs/TQM834x.h @@ -417,6 +417,10 @@ extern int tqm834x_num_flash_banks; HRCWH_TSEC2M_IN_GMII ) #endif +/* System IO Config */ +#define CFG_SICRH SICRH_TSOBI1 +#define CFG_SICRL SICRL_LDP_A + /* i-cache and d-cache disabled */ #define CFG_HID0_INIT 0x000000000 #define CFG_HID0_FINAL CFG_HID0_INIT

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[U-Boot-Users] RFC: PCI table based cfg change?
by Kumar Gala 12 Mar '06

12 Mar '06

I was hoping to get some feedback on the following patch. It is intended to deal with the case if we are configuring a PCI bridge via the pci_config_table, we need some way of reporting back the fact that the bus number has changed. - kumar --- a/drivers/pci.c +++ b/drivers/pci.c @@ -459,6 +459,7 @@ int pci_hose_scan_bus(struct pci_control PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev)); if (cfg) { cfg->config_device(hose, dev, cfg); + sub_bus = max(sub_bus, hose->current_busno); #ifdef CONFIG_PCI_PNP } else { int n = pciauto_config_device(hose, dev);

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[U-Boot-Users] [PATCH] Added ability to specific OF_STDOUT_PATH
by Kumar Gala 12 Mar '06

12 Mar '06

Added ability to specific OF_STDOUT_PATH Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Added ability to specific OF_STDOUT_PATH Allows the kernel to know which device to use for console output Patch by Kumar Gala 05 Jan 2006 --- commit 3b1cc08e3aed69e2437c9a33d4d0d000d88eda03 tree 57ee8c1fc0da69f731228af597b6e7d867ad8d0d parent 3080d3537d6cb0dbff783c2e7ad4340e1ea37965 author Kumar Gala <galak(a)kernel.crashing.org> Thu, 05 Jan 2006 17:04:46 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Thu, 05 Jan 2006 17:04:46 -0600 README | 1 + common/ft_build.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/README b/README index ea37dac..ecaef9e 100644 --- a/README +++ b/README @@ -413,6 +413,7 @@ The following options need to be configu OF_CPU - The proper name of the cpus node. OF_SOC - The proper name of the soc node. OF_TBCLK - The timebase frequency. + OF_STDOUT_PATH - The path to the console device CONFIG_OF_HAS_BD_T diff --git a/common/ft_build.c b/common/ft_build.c index bebee30..6e4d3de 100644 --- a/common/ft_build.c +++ b/common/ft_build.c @@ -639,6 +639,9 @@ void ft_setup(void *blob, int size, bd_t ft_prop_str(&cxt, "name", "chosen"); ft_prop_str(&cxt, "bootargs", getenv("bootargs")); ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */ +#ifdef OF_STDOUT_PATH + ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH); +#endif ft_end_node(&cxt);

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[U-Boot-Users] [PATCH] Only disable the MPC83xx watchdog if its enabled out of reset
by Kumar Gala 12 Mar '06

12 Mar '06

Only disable the MPC83xx watchdog if its enabled out of reset Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Only disable the MPC83xx watchdog if its enabled out of reset. If its disabled out of reset SW can later enable it if so desired Patch by Kumar Gala 21 Dec 2005 --- commit 660737c7f106a7c7817375ed29e52fbf28c5838f tree d2448e66f669ed2a5464535eab5a747aafe14eb1 parent ae907acc35249e178692e74a6f76df6eb217cf6b author Kumar Gala <galak(a)kernel.crashing.org> Wed, 21 Dec 2005 17:39:01 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Wed, 21 Dec 2005 17:39:01 -0600 cpu/mpc83xx/start.S | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S index fb001a6..0e1a5fd 100644 --- a/cpu/mpc83xx/start.S +++ b/cpu/mpc83xx/start.S @@ -426,8 +426,14 @@ init_e300_core: /* time t 10 */ #else /* Disable Wathcdog */ /*-------------------*/ + lwz r4, SWCRR(r3) + /* Check to see if its enabled for disabling + once disabled by SW you can't re-enable */ + andi. r4, r4, 0x4 + beq 1f xor r4, r4, r4 stw r4, SWCRR(r3) +1: #endif /* CONFIG_WATCHDOG */ /* Initialize the Hardware Implementation-dependent Registers */

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[U-Boot-Users] [PATCH] Report back PCI bus when doing table based device config
by Kumar Gala 12 Mar '06

12 Mar '06

Report back PCI bus when doing table based device config Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Report back PCI bus when doing table based device config Patch by Kumar Gala 14 Dec 2005 --- commit 837f814f04849814fd95710796e8e107b01c9121 tree d8f0e663f827d5fb4deb9b5e20841cd9ddcc2807 parent d7b4ec6d89455f45e3c0e6d48daaba4d917c26a7 author Kumar Gala <galak(a)kernel.crashing.org> Wed, 14 Dec 2005 17:59:49 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Wed, 14 Dec 2005 17:59:49 -0600 drivers/pci.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/pci.c b/drivers/pci.c index 5360030..3c24b99 100644 --- a/drivers/pci.c +++ b/drivers/pci.c @@ -459,6 +459,7 @@ int pci_hose_scan_bus(struct pci_control PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev)); if (cfg) { cfg->config_device(hose, dev, cfg); + sub_bus = max(sub_bus, hose->current_busno); #ifdef CONFIG_PCI_PNP } else { int n = pciauto_config_device(hose, dev);

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[U-Boot-Users] [PATCH] Allow config of GPIO direction & data registers at boot on 83xx
by Kumar Gala 12 Mar '06

12 Mar '06

Allow config of GPIO direction & data registers at boot on 83xx Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Allow config of GPIO direction & data registers at boot on 83xx Patch by Kumar Gala 14 Dec 2005 Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> --- commit 318fab58c6c6cd81b407edd2a06a35f4778f9bc9 tree 4c59954eab46500b5b75f2201cc1a9c631c0d23c parent 08dac06850e30a256df62803e8ca22c86f92c7cb author Kumar Gala <galak(a)kernel.crashing.org> Wed, 14 Dec 2005 17:53:19 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Wed, 14 Dec 2005 17:53:19 -0600 cpu/mpc83xx/cpu_init.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index e75b8b7..db28a6a 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -154,6 +154,14 @@ void cpu_init_f (volatile immap_t * im) im->sysconf.lblaw[7].bar = CFG_LBLAWBAR7_PRELIM; im->sysconf.lblaw[7].ar = CFG_LBLAWAR7_PRELIM; #endif +#ifdef CFG_GPIO1_PRELIM + im->pgio[0].dir = CFG_GPIO1_DIR; + im->pgio[0].dat = CFG_GPIO1_DAT; +#endif +#ifdef CFG_GPIO2_PRELIM + im->pgio[1].dir = CFG_GPIO2_DIR; + im->pgio[1].dat = CFG_GPIO2_DAT; +#endif }

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[U-Boot-Users] [PATCH] Add helper function for generic flat device tree fixups for 83xx
by Kumar Gala 12 Mar '06

12 Mar '06

Add helper function for generic flat device tree fixups for 83xx Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Add helper function for generic flat device tree fixups for 83xx Patch by Kumar Gala 13 Dec 2005 --- commit b0ffe0fd03bdd3118a2261e183387110c7f98b62 tree 7e533ce44581532f5aefc00a7fbc805690e6815d parent dbd0923389252c41a48ed9827b2359af9d52567e author Kumar Gala <galak(a)kernel.crashing.org> Tue, 13 Dec 2005 11:17:24 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Tue, 13 Dec 2005 11:17:24 -0600 cpu/mpc83xx/cpu.c | 33 +++++++++++++++++++++++++++++++++ 1 files changed, 33 insertions(+), 0 deletions(-) diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c index 8c9b515..f20d584 100644 --- a/cpu/mpc83xx/cpu.c +++ b/cpu/mpc83xx/cpu.c @@ -151,3 +151,36 @@ void watchdog_reset (void) hang(); /* FIXME: implement watchdog_reset()? */ } #endif /* CONFIG_WATCHDOG */ + +#if defined(CONFIG_OF_FLAT_TREE) +void +ft_cpu_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + ulong clock; + + clock = bd->bi_busfreq; + p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + + p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + +#ifdef CONFIG_MPC83XX_TSEC1 + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len); + memcpy(p, bd->bi_enetaddr, 6); +#endif + +#ifdef CONFIG_MPC83XX_TSEC2 + p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len); + memcpy(p, bd->bi_enet1addr, 6); +#endif +} +#endif

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[U-Boot-Users] [PATCH] Allow board code to fixup the OF flat device tree before booting a kernel
by Kumar Gala 12 Mar '06

12 Mar '06

Allow board code to fixup the OF flat device tree before booting a kernel Signed-off-by: Kumar Gala <galak(a)kernel.crashing.org> CHANGELOG: * Allow board code to fixup the OF flat device tree before booting a kernel Patch by Kumar Gala 13 Dec 2005 --- commit 943fd6f23661331e7ab70f9ab190387f5e0ca1ff tree 182dedeba4351f5c4e1cfd1c12a7870fad50b76a parent 7abb967b49b86994aca615acc60cbc322efb9b98 author Kumar Gala <galak(a)kernel.crashing.org> Tue, 13 Dec 2005 11:09:21 -0600 committer Kumar Gala <galak(a)kernel.crashing.org> Tue, 13 Dec 2005 11:09:21 -0600 README | 6 ++++++ common/ft_build.c | 5 ++++- 2 files changed, 10 insertions(+), 1 deletions(-) diff --git a/README b/README index 21f5bf0..ea37dac 100644 --- a/README +++ b/README @@ -411,6 +411,7 @@ The following options need to be configu The maximum size of the constructed OF tree. OF_CPU - The proper name of the cpus node. + OF_SOC - The proper name of the soc node. OF_TBCLK - The timebase frequency. CONFIG_OF_HAS_BD_T @@ -423,6 +424,11 @@ The following options need to be configu The resulting flat device tree will have a copy of u-boot's environment variables + CONFIG_OF_BOARD_SETUP + + Board code has addition modification that it wants to make + to the flat device tree before handing it off to the kernel + - Serial Ports: CFG_PL010_SERIAL diff --git a/common/ft_build.c b/common/ft_build.c index c67af6f..bebee30 100644 --- a/common/ft_build.c +++ b/common/ft_build.c @@ -690,9 +690,12 @@ void ft_setup(void *blob, int size, bd_t if (p != NULL) *p = cpu_to_be32(clock); #endif - #endif /* __powerpc__ */ +#ifdef CONFIG_OF_BOARD_SETUP + ft_board_setup(blob, bd); +#endif + /* printf("final OF-tree\n"); ft_dump_blob(blob);

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