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Message-ID: <201911030121.FcTBohvw%lkp@intel.com>
Date: Sun, 3 Nov 2019 01:39:56 +0800
From: kbuild test robot <lkp@...el.com>
To: Rasmus Villemoes <linux@...musvillemoes.dk>
Cc: kbuild-all@...ts.01.org, Qiang Zhao <qiang.zhao@....com>,
Li Yang <leoyang.li@....com>,
Christophe Leroy <christophe.leroy@....fr>,
linuxppc-dev@...ts.ozlabs.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Scott Wood <oss@...error.net>,
Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [PATCH v3 36/36] soc: fsl: qe: remove PPC32 dependency from
CONFIG_QUICC_ENGINE
Hi Rasmus,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.4-rc5 next-20191031]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Rasmus-Villemoes/QUICC-Engine-support-on-ARM/20191102-234436
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1204c70d9dcba31164f78ad5d8c88c42335d51f8
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:11:0,
from drivers/soc/fsl/qe/ucc_slow.c:11:
drivers/soc/fsl/qe/ucc_slow.c: In function 'ucc_slow_init':
include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
^
include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
>> drivers/soc/fsl/qe/ucc_slow.c:182:6: note: in expansion of macro 'IS_ERR_VALUE'
if (IS_ERR_VALUE(uccs->us_pram_offset)) {
^~~~~~~~~~~~
include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
^
include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
drivers/soc/fsl/qe/ucc_slow.c:209:6: note: in expansion of macro 'IS_ERR_VALUE'
if (IS_ERR_VALUE(uccs->rx_base_offset)) {
^~~~~~~~~~~~
include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
^
include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
drivers/soc/fsl/qe/ucc_slow.c:220:6: note: in expansion of macro 'IS_ERR_VALUE'
if (IS_ERR_VALUE(uccs->tx_base_offset)) {
^~~~~~~~~~~~
vim +/IS_ERR_VALUE +182 drivers/soc/fsl/qe/ucc_slow.c
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 @11 #include <linux/kernel.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 12 #include <linux/errno.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 13 #include <linux/slab.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 14 #include <linux/stddef.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 15 #include <linux/interrupt.h>
4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 16 #include <linux/err.h>
4b16f8e2d6d642 arch/powerpc/sysdev/qe_lib/ucc_slow.c Paul Gortmaker 2011-07-22 17 #include <linux/export.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 18
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 19 #include <asm/io.h>
7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 20 #include <soc/fsl/qe/immap_qe.h>
7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 21 #include <soc/fsl/qe/qe.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 22
7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 23 #include <soc/fsl/qe/ucc.h>
7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 24 #include <soc/fsl/qe/ucc_slow.h>
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 25
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 26 u32 ucc_slow_get_qe_cr_subblock(int uccs_num)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 27 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 28 switch (uccs_num) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 29 case 0: return QE_CR_SUBBLOCK_UCCSLOW1;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 30 case 1: return QE_CR_SUBBLOCK_UCCSLOW2;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 31 case 2: return QE_CR_SUBBLOCK_UCCSLOW3;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 32 case 3: return QE_CR_SUBBLOCK_UCCSLOW4;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 33 case 4: return QE_CR_SUBBLOCK_UCCSLOW5;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 34 case 5: return QE_CR_SUBBLOCK_UCCSLOW6;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 35 case 6: return QE_CR_SUBBLOCK_UCCSLOW7;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 36 case 7: return QE_CR_SUBBLOCK_UCCSLOW8;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 37 default: return QE_CR_SUBBLOCK_INVALID;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 38 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 39 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 40 EXPORT_SYMBOL(ucc_slow_get_qe_cr_subblock);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 41
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 42 void ucc_slow_graceful_stop_tx(struct ucc_slow_private * uccs)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 43 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 44 struct ucc_slow_info *us_info = uccs->us_info;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 45 u32 id;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 46
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 47 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 48 qe_issue_cmd(QE_GRACEFUL_STOP_TX, id,
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 49 QE_CR_PROTOCOL_UNSPECIFIED, 0);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 50 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 51 EXPORT_SYMBOL(ucc_slow_graceful_stop_tx);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 52
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 53 void ucc_slow_stop_tx(struct ucc_slow_private * uccs)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 54 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 55 struct ucc_slow_info *us_info = uccs->us_info;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 56 u32 id;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 57
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 58 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 59 qe_issue_cmd(QE_STOP_TX, id, QE_CR_PROTOCOL_UNSPECIFIED, 0);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 60 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 61 EXPORT_SYMBOL(ucc_slow_stop_tx);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 62
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 63 void ucc_slow_restart_tx(struct ucc_slow_private * uccs)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 64 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 65 struct ucc_slow_info *us_info = uccs->us_info;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 66 u32 id;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 67
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 68 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 69 qe_issue_cmd(QE_RESTART_TX, id, QE_CR_PROTOCOL_UNSPECIFIED, 0);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 70 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 71 EXPORT_SYMBOL(ucc_slow_restart_tx);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 72
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 73 void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 74 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 75 struct ucc_slow *us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 76 u32 gumr_l;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 77
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 78 us_regs = uccs->us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 79
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 80 /* Enable reception and/or transmission on this UCC. */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 81 gumr_l = qe_ioread32be(&us_regs->gumr_l);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 82 if (mode & COMM_DIR_TX) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 83 gumr_l |= UCC_SLOW_GUMR_L_ENT;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 84 uccs->enabled_tx = 1;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 85 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 86 if (mode & COMM_DIR_RX) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 87 gumr_l |= UCC_SLOW_GUMR_L_ENR;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 88 uccs->enabled_rx = 1;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 89 }
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 90 qe_iowrite32be(gumr_l, &us_regs->gumr_l);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 91 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 92 EXPORT_SYMBOL(ucc_slow_enable);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 93
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 94 void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 95 {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 96 struct ucc_slow *us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 97 u32 gumr_l;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 98
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 99 us_regs = uccs->us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 100
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 101 /* Disable reception and/or transmission on this UCC. */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 102 gumr_l = qe_ioread32be(&us_regs->gumr_l);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 103 if (mode & COMM_DIR_TX) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 104 gumr_l &= ~UCC_SLOW_GUMR_L_ENT;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 105 uccs->enabled_tx = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 106 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 107 if (mode & COMM_DIR_RX) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 108 gumr_l &= ~UCC_SLOW_GUMR_L_ENR;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 109 uccs->enabled_rx = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 110 }
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 111 qe_iowrite32be(gumr_l, &us_regs->gumr_l);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 112 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 113 EXPORT_SYMBOL(ucc_slow_disable);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 114
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 115 /* Initialize the UCC for Slow operations
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 116 *
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 117 * The caller should initialize the following us_info
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 118 */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 119 int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** uccs_ret)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 120 {
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 121 struct ucc_slow_private *uccs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 122 u32 i;
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 123 struct ucc_slow __iomem *us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 124 u32 gumr;
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 125 struct qe_bd *bd;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 126 u32 id;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 127 u32 command;
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 128 int ret = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 129
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 130 if (!us_info)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 131 return -EINVAL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 132
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 133 /* check if the UCC port number is in range. */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 134 if ((us_info->ucc_num < 0) || (us_info->ucc_num > UCC_MAX_NUM - 1)) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 135 printk(KERN_ERR "%s: illegal UCC number\n", __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 136 return -EINVAL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 137 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 138
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 139 /*
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 140 * Set mrblr
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 141 * Check that 'max_rx_buf_length' is properly aligned (4), unless
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 142 * rfw is 1, meaning that QE accepts one byte at a time, unlike normal
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 143 * case when QE accepts 32 bits at a time.
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 144 */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 145 if ((!us_info->rfw) &&
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 146 (us_info->max_rx_buf_length & (UCC_SLOW_MRBLR_ALIGNMENT - 1))) {
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 147 printk(KERN_ERR "max_rx_buf_length not aligned.\n");
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 148 return -EINVAL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 149 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 150
f8485350c22b25 arch/powerpc/sysdev/qe_lib/ucc_slow.c Yan Burman 2006-12-02 151 uccs = kzalloc(sizeof(struct ucc_slow_private), GFP_KERNEL);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 152 if (!uccs) {
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 153 printk(KERN_ERR "%s: Cannot allocate private data\n",
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 154 __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 155 return -ENOMEM;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 156 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 157
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 158 /* Fill slow UCC structure */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 159 uccs->us_info = us_info;
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 160 /* Set the PHY base address */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 161 uccs->us_regs = ioremap(us_info->regs, sizeof(struct ucc_slow));
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 162 if (uccs->us_regs == NULL) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 163 printk(KERN_ERR "%s: Cannot map UCC registers\n", __func__);
61a4e9e91dd391 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-08-20 164 kfree(uccs);
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 165 return -ENOMEM;
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 166 }
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 167
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 168 uccs->saved_uccm = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 169 uccs->p_rx_frame = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 170 us_regs = uccs->us_regs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 171 uccs->p_ucce = (u16 *) & (us_regs->ucce);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 172 uccs->p_uccm = (u16 *) & (us_regs->uccm);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 173 #ifdef STATISTICS
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 174 uccs->rx_frames = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 175 uccs->tx_frames = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 176 uccs->rx_discarded = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 177 #endif /* STATISTICS */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 178
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 179 /* Get PRAM base */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 180 uccs->us_pram_offset =
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 181 qe_muram_alloc(UCC_SLOW_PRAM_SIZE, ALIGNMENT_OF_UCC_SLOW_PRAM);
4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 @182 if (IS_ERR_VALUE(uccs->us_pram_offset)) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 183 printk(KERN_ERR "%s: cannot allocate MURAM for PRAM", __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 184 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 185 return -ENOMEM;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 186 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 187 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num);
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 188 qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, id, us_info->protocol,
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 189 uccs->us_pram_offset);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 190
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 191 uccs->us_pram = qe_muram_addr(uccs->us_pram_offset);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 192
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 193 /* Set UCC to slow type */
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 194 ret = ucc_set_type(us_info->ucc_num, UCC_SPEED_TYPE_SLOW);
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 195 if (ret) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 196 printk(KERN_ERR "%s: cannot set UCC type", __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 197 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 198 return ret;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 199 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 200
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 201 qe_iowrite16be(us_info->max_rx_buf_length, &uccs->us_pram->mrblr);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 202
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 203 INIT_LIST_HEAD(&uccs->confQ);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 204
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 205 /* Allocate BDs. */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 206 uccs->rx_base_offset =
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 207 qe_muram_alloc(us_info->rx_bd_ring_len * sizeof(struct qe_bd),
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 208 QE_ALIGNMENT_OF_BD);
4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 209 if (IS_ERR_VALUE(uccs->rx_base_offset)) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 210 printk(KERN_ERR "%s: cannot allocate %u RX BDs\n", __func__,
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 211 us_info->rx_bd_ring_len);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 212 uccs->rx_base_offset = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 213 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 214 return -ENOMEM;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 215 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 216
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 217 uccs->tx_base_offset =
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 218 qe_muram_alloc(us_info->tx_bd_ring_len * sizeof(struct qe_bd),
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 219 QE_ALIGNMENT_OF_BD);
4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 220 if (IS_ERR_VALUE(uccs->tx_base_offset)) {
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 221 printk(KERN_ERR "%s: cannot allocate TX BDs", __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 222 uccs->tx_base_offset = 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 223 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 224 return -ENOMEM;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 225 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 226
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 227 /* Init Tx bds */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 228 bd = uccs->confBd = uccs->tx_bd = qe_muram_addr(uccs->tx_base_offset);
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 229 for (i = 0; i < us_info->tx_bd_ring_len - 1; i++) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 230 /* clear bd buffer */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 231 qe_iowrite32be(0, &bd->buf);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 232 /* set bd status and length */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 233 qe_iowrite32be(0, (u32 *)bd);
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 234 bd++;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 235 }
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 236 /* for last BD set Wrap bit */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 237 qe_iowrite32be(0, &bd->buf);
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 238 qe_iowrite32be(cpu_to_be32(T_W), (u32 *)bd);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 239
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 240 /* Init Rx bds */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 241 bd = uccs->rx_bd = qe_muram_addr(uccs->rx_base_offset);
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 242 for (i = 0; i < us_info->rx_bd_ring_len - 1; i++) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 243 /* set bd status and length */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 244 qe_iowrite32be(0, (u32 *)bd);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 245 /* clear bd buffer */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 246 qe_iowrite32be(0, &bd->buf);
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 247 bd++;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 248 }
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 249 /* for last BD set Wrap bit */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 250 qe_iowrite32be(cpu_to_be32(R_W), (u32 *)bd);
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 251 qe_iowrite32be(0, &bd->buf);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 252
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 253 /* Set GUMR (For more details see the hardware spec.). */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 254 /* gumr_h */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 255 gumr = us_info->tcrc;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 256 if (us_info->cdp)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 257 gumr |= UCC_SLOW_GUMR_H_CDP;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 258 if (us_info->ctsp)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 259 gumr |= UCC_SLOW_GUMR_H_CTSP;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 260 if (us_info->cds)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 261 gumr |= UCC_SLOW_GUMR_H_CDS;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 262 if (us_info->ctss)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 263 gumr |= UCC_SLOW_GUMR_H_CTSS;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 264 if (us_info->tfl)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 265 gumr |= UCC_SLOW_GUMR_H_TFL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 266 if (us_info->rfw)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 267 gumr |= UCC_SLOW_GUMR_H_RFW;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 268 if (us_info->txsy)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 269 gumr |= UCC_SLOW_GUMR_H_TXSY;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 270 if (us_info->rtsm)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 271 gumr |= UCC_SLOW_GUMR_H_RTSM;
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 272 qe_iowrite32be(gumr, &us_regs->gumr_h);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 273
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 274 /* gumr_l */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 275 gumr = us_info->tdcr | us_info->rdcr | us_info->tenc | us_info->renc |
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 276 us_info->diag | us_info->mode;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 277 if (us_info->tci)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 278 gumr |= UCC_SLOW_GUMR_L_TCI;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 279 if (us_info->rinv)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 280 gumr |= UCC_SLOW_GUMR_L_RINV;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 281 if (us_info->tinv)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 282 gumr |= UCC_SLOW_GUMR_L_TINV;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 283 if (us_info->tend)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 284 gumr |= UCC_SLOW_GUMR_L_TEND;
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 285 qe_iowrite32be(gumr, &us_regs->gumr_l);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 286
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 287 /* Function code registers */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 288
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 289 /* if the data is in cachable memory, the 'global' */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 290 /* in the function code should be set. */
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 291 uccs->us_pram->tbmr = UCC_BMR_BO_BE;
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 292 uccs->us_pram->rbmr = UCC_BMR_BO_BE;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 293
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 294 /* rbase, tbase are offsets from MURAM base */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 295 qe_iowrite16be(uccs->rx_base_offset, &uccs->us_pram->rbase);
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 296 qe_iowrite16be(uccs->tx_base_offset, &uccs->us_pram->tbase);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 297
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 298 /* Mux clocking */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 299 /* Grant Support */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 300 ucc_set_qe_mux_grant(us_info->ucc_num, us_info->grant_support);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 301 /* Breakpoint Support */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 302 ucc_set_qe_mux_bkpt(us_info->ucc_num, us_info->brkpt_support);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 303 /* Set Tsa or NMSI mode. */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 304 ucc_set_qe_mux_tsa(us_info->ucc_num, us_info->tsa);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 305 /* If NMSI (not Tsa), set Tx and Rx clock. */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 306 if (!us_info->tsa) {
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 307 /* Rx clock routing */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 308 if (ucc_set_qe_mux_rxtx(us_info->ucc_num, us_info->rx_clock,
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 309 COMM_DIR_RX)) {
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 310 printk(KERN_ERR "%s: illegal value for RX clock\n",
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 311 __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 312 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 313 return -EINVAL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 314 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 315 /* Tx clock routing */
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 316 if (ucc_set_qe_mux_rxtx(us_info->ucc_num, us_info->tx_clock,
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 317 COMM_DIR_TX)) {
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 318 printk(KERN_ERR "%s: illegal value for TX clock\n",
e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 319 __func__);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 320 ucc_slow_free(uccs);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 321 return -EINVAL;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 322 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 323 }
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 324
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 325 /* Set interrupt mask register at UCC level. */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 326 qe_iowrite16be(us_info->uccm_mask, &us_regs->uccm);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 327
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 328 /* First, clear anything pending at UCC level,
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 329 * otherwise, old garbage may come through
5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 330 * as soon as the dam is opened. */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 331
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 332 /* Writing '1' clears */
eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 333 qe_iowrite16be(0xffff, &us_regs->ucce);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 334
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 335 /* Issue QE Init command */
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 336 if (us_info->init_tx && us_info->init_rx)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 337 command = QE_INIT_TX_RX;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 338 else if (us_info->init_tx)
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 339 command = QE_INIT_TX;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 340 else
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 341 command = QE_INIT_RX; /* We know at least one is TRUE */
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 342
6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 343 qe_issue_cmd(command, id, us_info->protocol, 0);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 344
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 345 *uccs_ret = uccs;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 346 return 0;
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 347 }
845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 348 EXPORT_SYMBOL(ucc_slow_init);
9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 349
:::::: The code at line 182 was first introduced by commit
:::::: 4c35630ccda56ed494f6102d2e147fefe14b78d2 [POWERPC] Change rheap functions to use ulongs instead of pointers
:::::: TO: Timur Tabi <timur@...escale.com>
:::::: CC: Kumar Gala <galak@...nel.crashing.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
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